diff options
Diffstat (limited to 'arch')
250 files changed, 5236 insertions, 3036 deletions
diff --git a/arch/alpha/Kconfig b/arch/alpha/Kconfig index 786491f..153337f 100644 --- a/arch/alpha/Kconfig +++ b/arch/alpha/Kconfig @@ -40,6 +40,19 @@ config GENERIC_IOMAP bool default n +config GENERIC_HARDIRQS + bool + default y + +config GENERIC_IRQ_PROBE + bool + default y + +config AUTO_IRQ_AFFINITY + bool + depends on SMP + default y + source "init/Kconfig" diff --git a/arch/alpha/kernel/alpha_ksyms.c b/arch/alpha/kernel/alpha_ksyms.c index 24ae9a3..f3e98f8 100644 --- a/arch/alpha/kernel/alpha_ksyms.c +++ b/arch/alpha/kernel/alpha_ksyms.c @@ -175,7 +175,6 @@ EXPORT_SYMBOL(up); */ #ifdef CONFIG_SMP -EXPORT_SYMBOL(synchronize_irq); EXPORT_SYMBOL(flush_tlb_mm); EXPORT_SYMBOL(flush_tlb_range); EXPORT_SYMBOL(flush_tlb_page); diff --git a/arch/alpha/kernel/irq.c b/arch/alpha/kernel/irq.c index b6114f5..76be5cf 100644 --- a/arch/alpha/kernel/irq.c +++ b/arch/alpha/kernel/irq.c @@ -32,214 +32,25 @@ #include <asm/io.h> #include <asm/uaccess.h> -/* - * Controller mappings for all interrupt sources: - */ -irq_desc_t irq_desc[NR_IRQS] __cacheline_aligned = { - [0 ... NR_IRQS-1] = { - .handler = &no_irq_type, - .lock = SPIN_LOCK_UNLOCKED - } -}; - -static void register_irq_proc(unsigned int irq); - volatile unsigned long irq_err_count; -/* - * Special irq handlers. - */ - -irqreturn_t no_action(int cpl, void *dev_id, struct pt_regs *regs) -{ - return IRQ_NONE; -} - -/* - * Generic no controller code - */ - -static void no_irq_enable_disable(unsigned int irq) { } -static unsigned int no_irq_startup(unsigned int irq) { return 0; } - -static void -no_irq_ack(unsigned int irq) +void ack_bad_irq(unsigned int irq) { irq_err_count++; printk(KERN_CRIT "Unexpected IRQ trap at vector %u\n", irq); } -struct hw_interrupt_type no_irq_type = { - .typename = "none", - .startup = no_irq_startup, - .shutdown = no_irq_enable_disable, - .enable = no_irq_enable_disable, - .disable = no_irq_enable_disable, - .ack = no_irq_ack, - .end = no_irq_enable_disable, -}; - -int -handle_IRQ_event(unsigned int irq, struct pt_regs *regs, - struct irqaction *action) -{ - int status = 1; /* Force the "do bottom halves" bit */ - int ret; - - do { - if (!(action->flags & SA_INTERRUPT)) - local_irq_enable(); - else - local_irq_disable(); - - ret = action->handler(irq, action->dev_id, regs); - if (ret == IRQ_HANDLED) - status |= action->flags; - action = action->next; - } while (action); - if (status & SA_SAMPLE_RANDOM) - add_interrupt_randomness(irq); - local_irq_disable(); - - return status; -} - -/* - * Generic enable/disable code: this just calls - * down into the PIC-specific version for the actual - * hardware disable after having gotten the irq - * controller lock. - */ -void inline -disable_irq_nosync(unsigned int irq) -{ - irq_desc_t *desc = irq_desc + irq; - unsigned long flags; - - spin_lock_irqsave(&desc->lock, flags); - if (!desc->depth++) { - desc->status |= IRQ_DISABLED; - desc->handler->disable(irq); - } - spin_unlock_irqrestore(&desc->lock, flags); -} - -/* - * Synchronous version of the above, making sure the IRQ is - * no longer running on any other IRQ.. - */ -void -disable_irq(unsigned int irq) -{ - disable_irq_nosync(irq); - synchronize_irq(irq); -} - -void -enable_irq(unsigned int irq) -{ - irq_desc_t *desc = irq_desc + irq; - unsigned long flags; - - spin_lock_irqsave(&desc->lock, flags); - switch (desc->depth) { - case 1: { - unsigned int status = desc->status & ~IRQ_DISABLED; - desc->status = status; - if ((status & (IRQ_PENDING | IRQ_REPLAY)) == IRQ_PENDING) { - desc->status = status | IRQ_REPLAY; - hw_resend_irq(desc->handler,irq); - } - desc->handler->enable(irq); - /* fall-through */ - } - default: - desc->depth--; - break; - case 0: - printk(KERN_ERR "enable_irq() unbalanced from %p\n", - __builtin_return_address(0)); - } - spin_unlock_irqrestore(&desc->lock, flags); -} - -int -setup_irq(unsigned int irq, struct irqaction * new) -{ - int shared = 0; - struct irqaction *old, **p; - unsigned long flags; - irq_desc_t *desc = irq_desc + irq; - - if (desc->handler == &no_irq_type) - return -ENOSYS; - - /* - * Some drivers like serial.c use request_irq() heavily, - * so we have to be careful not to interfere with a - * running system. - */ - if (new->flags & SA_SAMPLE_RANDOM) { - /* - * This function might sleep, we want to call it first, - * outside of the atomic block. - * Yes, this might clear the entropy pool if the wrong - * driver is attempted to be loaded, without actually - * installing a new handler, but is this really a problem, - * only the sysadmin is able to do this. - */ - rand_initialize_irq(irq); - } - - /* - * The following block of code has to be executed atomically - */ - spin_lock_irqsave(&desc->lock,flags); - p = &desc->action; - if ((old = *p) != NULL) { - /* Can't share interrupts unless both agree to */ - if (!(old->flags & new->flags & SA_SHIRQ)) { - spin_unlock_irqrestore(&desc->lock,flags); - return -EBUSY; - } - - /* add new interrupt at end of irq queue */ - do { - p = &old->next; - old = *p; - } while (old); - shared = 1; - } - - *p = new; - - if (!shared) { - desc->depth = 0; - desc->status &= - ~(IRQ_DISABLED|IRQ_AUTODETECT|IRQ_WAITING|IRQ_INPROGRESS); - desc->handler->startup(irq); - } - spin_unlock_irqrestore(&desc->lock,flags); - - return 0; -} - -static struct proc_dir_entry * root_irq_dir; -static struct proc_dir_entry * irq_dir[NR_IRQS]; - #ifdef CONFIG_SMP -static struct proc_dir_entry * smp_affinity_entry[NR_IRQS]; static char irq_user_affinity[NR_IRQS]; -static cpumask_t irq_affinity[NR_IRQS] = { [0 ... NR_IRQS-1] = CPU_MASK_ALL }; -static void -select_smp_affinity(int irq) +int +select_smp_affinity(unsigned int irq) { static int last_cpu; int cpu = last_cpu + 1; - if (! irq_desc[irq].handler->set_affinity || irq_user_affinity[irq]) - return; + if (!irq_desc[irq].handler->set_affinity || irq_user_affinity[irq]) + return 1; while (!cpu_possible(cpu)) cpu = (cpu < (NR_CPUS-1) ? cpu + 1 : 0); @@ -247,208 +58,10 @@ select_smp_affinity(int irq) irq_affinity[irq] = cpumask_of_cpu(cpu); irq_desc[irq].handler->set_affinity(irq, cpumask_of_cpu(cpu)); + return 0; } - -static int -irq_affinity_read_proc (char *page, char **start, off_t off, - int count, int *eof, void *data) -{ - int len = cpumask_scnprintf(page, count, irq_affinity[(long)data]); - if (count - len < 2) - return -EINVAL; - len += sprintf(page + len, "\n"); - return len; -} - -static int -irq_affinity_write_proc(struct file *file, const char __user *buffer, - unsigned long count, void *data) -{ - int irq = (long) data, full_count = count, err; - cpumask_t new_value; - - if (!irq_desc[irq].handler->set_affinity) - return -EIO; - - err = cpumask_parse(buffer, count, new_value); - - /* The special value 0 means release control of the - affinity to kernel. */ - cpus_and(new_value, new_value, cpu_online_map); - if (cpus_empty(new_value)) { - irq_user_affinity[irq] = 0; - select_smp_affinity(irq); - } - /* Do not allow disabling IRQs completely - it's a too easy - way to make the system unusable accidentally :-) At least - one online CPU still has to be targeted. */ - else { - irq_affinity[irq] = new_value; - irq_user_affinity[irq] = 1; - irq_desc[irq].handler->set_affinity(irq, new_value); - } - - return full_count; -} - #endif /* CONFIG_SMP */ -#define MAX_NAMELEN 10 - -static void -register_irq_proc (unsigned int irq) -{ - char name [MAX_NAMELEN]; - - if (!root_irq_dir || (irq_desc[irq].handler == &no_irq_type) || - irq_dir[irq]) - return; - - memset(name, 0, MAX_NAMELEN); - sprintf(name, "%d", irq); - - /* create /proc/irq/1234 */ - irq_dir[irq] = proc_mkdir(name, root_irq_dir); - -#ifdef CONFIG_SMP - if (irq_desc[irq].handler->set_affinity) { - struct proc_dir_entry *entry; - /* create /proc/irq/1234/smp_affinity */ - entry = create_proc_entry("smp_affinity", 0600, irq_dir[irq]); - - if (entry) { - entry->nlink = 1; - entry->data = (void *)(long)irq; - entry->read_proc = irq_affinity_read_proc; - entry->write_proc = irq_affinity_write_proc; - } - - smp_affinity_entry[irq] = entry; - } -#endif -} - -void -init_irq_proc (void) -{ - int i; - - /* create /proc/irq */ - root_irq_dir = proc_mkdir("irq", NULL); - -#ifdef CONFIG_SMP - /* create /proc/irq/prof_cpu_mask */ - create_prof_cpu_mask(root_irq_dir); -#endif - - /* - * Create entries for all existing IRQs. - */ - for (i = 0; i < ACTUAL_NR_IRQS; i++) { - if (irq_desc[i].handler == &no_irq_type) - continue; - register_irq_proc(i); - } -} - -int -request_irq(unsigned int irq, irqreturn_t (*handler)(int, void *, struct pt_regs *), - unsigned long irqflags, const char * devname, void *dev_id) -{ - int retval; - struct irqaction * action; - - if (irq >= ACTUAL_NR_IRQS) - return -EINVAL; - if (!handler) - return -EINVAL; - -#if 1 - /* - * Sanity-check: shared interrupts should REALLY pass in - * a real dev-ID, otherwise we'll have trouble later trying - * to figure out which interrupt is which (messes up the - * interrupt freeing logic etc). - */ - if ((irqflags & SA_SHIRQ) && !dev_id) { - printk(KERN_ERR - "Bad boy: %s (at %p) called us without a dev_id!\n", - devname, __builtin_return_address(0)); - } -#endif - - action = (struct irqaction *) - kmalloc(sizeof(struct irqaction), GFP_KERNEL); - if (!action) - return -ENOMEM; - - action->handler = handler; - action->flags = irqflags; - cpus_clear(action->mask); - action->name = devname; - action->next = NULL; - action->dev_id = dev_id; - -#ifdef CONFIG_SMP - select_smp_affinity(irq); -#endif - - retval = setup_irq(irq, action); - if (retval) - kfree(action); - return retval; -} - -EXPORT_SYMBOL(request_irq); - -void -free_irq(unsigned int irq, void *dev_id) -{ - irq_desc_t *desc; - struct irqaction **p; - unsigned long flags; - - if (irq >= ACTUAL_NR_IRQS) { - printk(KERN_CRIT "Trying to free IRQ%d\n", irq); - return; - } - - desc = irq_desc + irq; - spin_lock_irqsave(&desc->lock,flags); - p = &desc->action; - for (;;) { - struct irqaction * action = *p; - if (action) { - struct irqaction **pp = p; - p = &action->next; - if (action->dev_id != dev_id) - continue; - - /* Found - now remove it from the list of entries. */ - *pp = action->next; - if (!desc->action) { - desc->status |= IRQ_DISABLED; - desc->handler->shutdown(irq); - } - spin_unlock_irqrestore(&desc->lock,flags); - -#ifdef CONFIG_SMP - /* Wait to make sure it's not being used on - another CPU. */ - while (desc->status & IRQ_INPROGRESS) - barrier(); -#endif - kfree(action); - return; - } - printk(KERN_ERR "Trying to free free IRQ%d\n",irq); - spin_unlock_irqrestore(&desc->lock,flags); - return; - } -} - -EXPORT_SYMBOL(free_irq); - int show_interrupts(struct seq_file *p, void *v) { @@ -531,10 +144,6 @@ handle_irq(int irq, struct pt_regs * regs) * 0 return value means that this irq is already being * handled by some other CPU. (or is disabled) */ - int cpu = smp_processor_id(); - irq_desc_t *desc = irq_desc + irq; - struct irqaction * action; - unsigned int status; static unsigned int illegal_count=0; if ((unsigned) irq > ACTUAL_NR_IRQS && illegal_count < MAX_ILLEGAL_IRQS ) { @@ -546,229 +155,8 @@ handle_irq(int irq, struct pt_regs * regs) } irq_enter(); - kstat_cpu(cpu).irqs[irq]++; - spin_lock_irq(&desc->lock); /* mask also the higher prio events */ - desc->handler->ack(irq); - /* - * REPLAY is when Linux resends an IRQ that was dropped earlier. - * WAITING is used by probe to mark irqs that are being tested. - */ - status = desc->status & ~(IRQ_REPLAY | IRQ_WAITING); - status |= IRQ_PENDING; /* we _want_ to handle it */ - - /* - * If the IRQ is disabled for whatever reason, we cannot - * use the action we have. - */ - action = NULL; - if (!(status & (IRQ_DISABLED | IRQ_INPROGRESS))) { - action = desc->action; - status &= ~IRQ_PENDING; /* we commit to handling */ - status |= IRQ_INPROGRESS; /* we are handling it */ - } - desc->status = status; - - /* - * If there is no IRQ handler or it was disabled, exit early. - * Since we set PENDING, if another processor is handling - * a different instance of this same irq, the other processor - * will take care of it. - */ - if (!action) - goto out; - - /* - * Edge triggered interrupts need to remember pending events. - * This applies to any hw interrupts that allow a second - * instance of the same irq to arrive while we are in handle_irq - * or in the handler. But the code here only handles the _second_ - * instance of the irq, not the third or fourth. So it is mostly - * useful for irq hardware that does not mask cleanly in an - * SMP environment. - */ - for (;;) { - spin_unlock(&desc->lock); - handle_IRQ_event(irq, regs, action); - spin_lock(&desc->lock); - - if (!(desc->status & IRQ_PENDING) - || (desc->status & IRQ_LEVEL)) - break; - desc->status &= ~IRQ_PENDING; - } - desc->status &= ~IRQ_INPROGRESS; -out: - /* - * The ->end() handler has to deal with interrupts which got - * disabled while the handler was running. - */ - desc->handler->end(irq); - spin_unlock(&desc->lock); - + local_irq_disable(); + __do_IRQ(irq, regs); + local_irq_enable(); irq_exit(); } - -/* - * IRQ autodetection code.. - * - * This depends on the fact that any interrupt that - * comes in on to an unassigned handler will get stuck - * with "IRQ_WAITING" cleared and the interrupt - * disabled. - */ -unsigned long -probe_irq_on(void) -{ - int i; - irq_desc_t *desc; - unsigned long delay; - unsigned long val; - - /* Something may have generated an irq long ago and we want to - flush such a longstanding irq before considering it as spurious. */ - for (i = NR_IRQS-1; i >= 0; i--) { - desc = irq_desc + i; - - spin_lock_irq(&desc->lock); - if (!irq_desc[i].action) - irq_desc[i].handler->startup(i); - spin_unlock_irq(&desc->lock); - } - - /* Wait for longstanding interrupts to trigger. */ - for (delay = jiffies + HZ/50; time_after(delay, jiffies); ) - /* about 20ms delay */ barrier(); - - /* enable any unassigned irqs (we must startup again here because - if a longstanding irq happened in the previous stage, it may have - masked itself) first, enable any unassigned irqs. */ - for (i = NR_IRQS-1; i >= 0; i--) { - desc = irq_desc + i; - - spin_lock_irq(&desc->lock); - if (!desc->action) { - desc->status |= IRQ_AUTODETECT | IRQ_WAITING; - if (desc->handler->startup(i)) - desc->status |= IRQ_PENDING; - } - spin_unlock_irq(&desc->lock); - } - - /* - * Wait for spurious interrupts to trigger - */ - for (delay = jiffies + HZ/10; time_after(delay, jiffies); ) - /* about 100ms delay */ barrier(); - - /* - * Now filter out any obviously spurious interrupts - */ - val = 0; - for (i=0; i<NR_IRQS; i++) { - irq_desc_t *desc = irq_desc + i; - unsigned int status; - - spin_lock_irq(&desc->lock); - status = desc->status; - - if (status & IRQ_AUTODETECT) { - /* It triggered already - consider it spurious. */ - if (!(status & IRQ_WAITING)) { - desc->status = status & ~IRQ_AUTODETECT; - desc->handler->shutdown(i); - } else - if (i < 32) - val |= 1 << i; - } - spin_unlock_irq(&desc->lock); - } - - return val; -} - -EXPORT_SYMBOL(probe_irq_on); - -/* - * Return a mask of triggered interrupts (this - * can handle only legacy ISA interrupts). - */ -unsigned int -probe_irq_mask(unsigned long val) -{ - int i; - unsigned int mask; - - mask = 0; - for (i = 0; i < NR_IRQS; i++) { - irq_desc_t *desc = irq_desc + i; - unsigned int status; - - spin_lock_irq(&desc->lock); - status = desc->status; - - if (status & IRQ_AUTODETECT) { - /* We only react to ISA interrupts */ - if (!(status & IRQ_WAITING)) { - if (i < 16) - mask |= 1 << i; - } - - desc->status = status & ~IRQ_AUTODETECT; - desc->handler->shutdown(i); - } - spin_unlock_irq(&desc->lock); - } - - return mask & val; -} - -/* - * Get the result of the IRQ probe.. A negative result means that - * we have several candidates (but we return the lowest-numbered - * one). - */ - -int -probe_irq_off(unsigned long val) -{ - int i, irq_found, nr_irqs; - - nr_irqs = 0; - irq_found = 0; - for (i=0; i<NR_IRQS; i++) { - irq_desc_t *desc = irq_desc + i; - unsigned int status; - - spin_lock_irq(&desc->lock); - status = desc->status; - - if (status & IRQ_AUTODETECT) { - if (!(status & IRQ_WAITING)) { - if (!nr_irqs) - irq_found = i; - nr_irqs++; - } - desc->status = status & ~IRQ_AUTODETECT; - desc->handler->shutdown(i); - } - spin_unlock_irq(&desc->lock); - } - - if (nr_irqs > 1) - irq_found = -irq_found; - return irq_found; -} - -EXPORT_SYMBOL(probe_irq_off); - -#ifdef CONFIG_SMP -void synchronize_irq(unsigned int irq) -{ - /* is there anything to synchronize with? */ - if (!irq_desc[irq].action) - return; - - while (irq_desc[irq].status & IRQ_INPROGRESS) - barrier(); -} -#endif diff --git a/arch/alpha/kernel/machvec_impl.h b/arch/alpha/kernel/machvec_impl.h index 4959b7a..11f996f 100644 --- a/arch/alpha/kernel/machvec_impl.h +++ b/arch/alpha/kernel/machvec_impl.h @@ -41,7 +41,7 @@ #define CAT1(x,y) x##y #define CAT(x,y) CAT1(x,y) -#define DO_DEFAULT_RTC rtc_port: 0x70 +#define DO_DEFAULT_RTC .rtc_port = 0x70 #define DO_EV4_MMU \ .max_asn = EV4_MAX_ASN, \ diff --git a/arch/arm/common/amba.c b/arch/arm/common/amba.c index e101311..c95ec9e 100644 --- a/arch/arm/common/amba.c +++ b/arch/arm/common/amba.c @@ -45,7 +45,7 @@ static int amba_match(struct device *dev, struct device_driver *drv) } #ifdef CONFIG_HOTPLUG -static int amba_hotplug(struct device *dev, char **envp, int nr_env, char *buf, int bufsz) +static int amba_uevent(struct device *dev, char **envp, int nr_env, char *buf, int bufsz) { struct amba_device *pcdev = to_amba_device(dev); @@ -58,7 +58,7 @@ static int amba_hotplug(struct device *dev, char **envp, int nr_env, char *buf, return 0; } #else -#define amba_hotplug NULL +#define amba_uevent NULL #endif static int amba_suspend(struct device *dev, pm_message_t state) @@ -88,7 +88,7 @@ static int amba_resume(struct device *dev) static struct bus_type amba_bustype = { .name = "amba", .match = amba_match, - .hotplug = amba_hotplug, + .uevent = amba_uevent, .suspend = amba_suspend, .resume = amba_resume, }; diff --git a/arch/arm/kernel/calls.S b/arch/arm/kernel/calls.S index 2ad4aa2..55076a7 100644 --- a/arch/arm/kernel/calls.S +++ b/arch/arm/kernel/calls.S @@ -131,7 +131,7 @@ __syscall_start: .long sys_wait4 /* 115 */ .long sys_swapoff .long sys_sysinfo - .long sys_ipc_wrapper + .long sys_ipc .long sys_fsync .long sys_sigreturn_wrapper /* 120 */ .long sys_clone_wrapper @@ -254,7 +254,7 @@ __syscall_start: .long sys_fremovexattr .long sys_tkill .long sys_sendfile64 -/* 240 */ .long sys_futex_wrapper +/* 240 */ .long sys_futex .long sys_sched_setaffinity .long sys_sched_getaffinity .long sys_io_setup @@ -284,7 +284,7 @@ __syscall_start: .long sys_fstatfs64 .long sys_tgkill .long sys_utimes -/* 270 */ .long sys_arm_fadvise64_64_wrapper +/* 270 */ .long sys_arm_fadvise64_64 .long sys_pciconfig_iobase .long sys_pciconfig_read .long sys_pciconfig_write @@ -333,7 +333,7 @@ __syscall_start: .long sys_inotify_init .long sys_inotify_add_watch .long sys_inotify_rm_watch - .long sys_mbind_wrapper + .long sys_mbind /* 320 */ .long sys_get_mempolicy .long sys_set_mempolicy __syscall_end: diff --git a/arch/arm/kernel/entry-armv.S b/arch/arm/kernel/entry-armv.S index d9fb819..2a8d27e 100644 --- a/arch/arm/kernel/entry-armv.S +++ b/arch/arm/kernel/entry-armv.S @@ -614,6 +614,47 @@ __kuser_helper_start: /* * Reference prototype: * + * void __kernel_memory_barrier(void) + * + * Input: + * + * lr = return address + * + * Output: + * + * none + * + * Clobbered: + * + * the Z flag might be lost + * + * Definition and user space usage example: + * + * typedef void (__kernel_dmb_t)(void); + * #define __kernel_dmb (*(__kernel_dmb_t *)0xffff0fa0) + * + * Apply any needed memory barrier to preserve consistency with data modified + * manually and __kuser_cmpxchg usage. + * + * This could be used as follows: + * + * #define __kernel_dmb() \ + * asm volatile ( "mov r0, #0xffff0fff; mov lr, pc; sub pc, r0, #95" \ + * : : : "lr","cc" ) + */ + +__kuser_memory_barrier: @ 0xffff0fa0 + +#if __LINUX_ARM_ARCH__ >= 6 && defined(CONFIG_SMP) + mcr p15, 0, r0, c7, c10, 5 @ dmb +#endif + mov pc, lr + + .align 5 + +/* + * Reference prototype: + * * int __kernel_cmpxchg(int oldval, int newval, int *ptr) * * Input: @@ -642,6 +683,8 @@ __kuser_helper_start: * The C flag is also set if *ptr was changed to allow for assembly * optimization in the calling code. * + * Note: this routine already includes memory barriers as needed. + * * For example, a user space atomic_add implementation could look like this: * * #define atomic_add(ptr, val) \ @@ -698,10 +741,16 @@ __kuser_cmpxchg: @ 0xffff0fc0 #else +#ifdef CONFIG_SMP + mcr p15, 0, r0, c7, c10, 5 @ dmb +#endif ldrex r3, [r2] subs r3, r3, r0 strexeq r3, r1, [r2] rsbs r0, r3, #0 +#ifdef CONFIG_SMP + mcr p15, 0, r0, c7, c10, 5 @ dmb +#endif mov pc, lr #endif diff --git a/arch/arm/kernel/entry-common.S b/arch/arm/kernel/entry-common.S index f7f18307..e2b4299 100644 --- a/arch/arm/kernel/entry-common.S +++ b/arch/arm/kernel/entry-common.S @@ -145,7 +145,7 @@ ENTRY(vector_swi) #endif enable_irq - str r4, [sp, #-S_OFF]! @ push fifth arg + stmdb sp!, {r4, r5} @ push fifth and sixth args get_thread_info tsk ldr ip, [tsk, #TI_FLAGS] @ check for syscall tracing @@ -204,7 +204,7 @@ ENTRY(sys_call_table) * Special system call wrappers */ @ r0 = syscall number -@ r5 = syscall table +@ r8 = syscall table .type sys_syscall, #function sys_syscall: eor scno, r0, #__NR_SYSCALL_BASE @@ -255,22 +255,6 @@ sys_sigaltstack_wrapper: ldr r2, [sp, #S_OFF + S_SP] b do_sigaltstack -sys_futex_wrapper: - str r5, [sp, #4] @ push sixth arg - b sys_futex - -sys_arm_fadvise64_64_wrapper: - str r5, [sp, #4] @ push r5 to stack - b sys_arm_fadvise64_64 - -sys_mbind_wrapper: - str r5, [sp, #4] - b sys_mbind - -sys_ipc_wrapper: - str r5, [sp, #4] @ push sixth arg - b sys_ipc - /* * Note: off_4k (r5) is always units of 4K. If we can't do the requested * offset, we return EINVAL. diff --git a/arch/arm/kernel/module.c b/arch/arm/kernel/module.c index 6055e14..055bf5d 100644 --- a/arch/arm/kernel/module.c +++ b/arch/arm/kernel/module.c @@ -101,6 +101,8 @@ apply_relocate(Elf32_Shdr *sechdrs, const char *strtab, unsigned int symindex, break; case R_ARM_PC24: + case R_ARM_CALL: + case R_ARM_JUMP24: offset = (*(u32 *)loc & 0x00ffffff) << 2; if (offset & 0x02000000) offset -= 0x04000000; diff --git a/arch/arm/kernel/ptrace.c b/arch/arm/kernel/ptrace.c index 9a340e7..2b84f78 100644 --- a/arch/arm/kernel/ptrace.c +++ b/arch/arm/kernel/ptrace.c @@ -242,6 +242,15 @@ get_branch_address(struct task_struct *child, unsigned long pc, unsigned long in */ long aluop1, aluop2, ccbit; + if ((insn & 0x0fffffd0) == 0x012fff10) { + /* + * bx or blx + */ + alt = get_user_reg(child, insn & 15); + break; + } + + if ((insn & 0xf000) != 0xf000) break; diff --git a/arch/arm/mach-pxa/akita-ioexp.c b/arch/arm/mach-pxa/akita-ioexp.c index f6d73cc..1b39874 100644 --- a/arch/arm/mach-pxa/akita-ioexp.c +++ b/arch/arm/mach-pxa/akita-ioexp.c @@ -124,17 +124,16 @@ static int max7310_detach_client(struct i2c_client *client) } static struct i2c_driver max7310_i2c_driver = { - .owner = THIS_MODULE, - .name = "akita-max7310", + .driver = { + .name = "akita-max7310", + }, .id = I2C_DRIVERID_AKITAIOEXP, - .flags = I2C_DF_NOTIFY, .attach_adapter = max7310_attach_adapter, .detach_client = max7310_detach_client, }; static struct i2c_client max7310_template = { name: "akita-max7310", - flags: I2C_CLIENT_ALLOW_USE, driver: &max7310_i2c_driver, }; diff --git a/arch/arm/mach-pxa/mainstone.c b/arch/arm/mach-pxa/mainstone.c index 07892f4..277498a 100644 --- a/arch/arm/mach-pxa/mainstone.c +++ b/arch/arm/mach-pxa/mainstone.c @@ -43,6 +43,7 @@ #include <asm/arch/pxafb.h> #include <asm/arch/mmc.h> #include <asm/arch/irda.h> +#include <asm/arch/ohci.h> #include "generic.h" @@ -393,6 +394,25 @@ static struct platform_device *platform_devices[] __initdata = { &mst_flash_device[1], }; +static int mainstone_ohci_init(struct device *dev) +{ + /* setup Port1 GPIO pin. */ + pxa_gpio_mode( 88 | GPIO_ALT_FN_1_IN); /* USBHPWR1 */ + pxa_gpio_mode( 89 | GPIO_ALT_FN_2_OUT); /* USBHPEN1 */ + + /* Set the Power Control Polarity Low and Power Sense + Polarity Low to active low. */ + UHCHR = (UHCHR | UHCHR_PCPL | UHCHR_PSPL) & + ~(UHCHR_SSEP1 | UHCHR_SSEP2 | UHCHR_SSEP3 | UHCHR_SSE); + + return 0; +} + +static struct pxaohci_platform_data mainstone_ohci_platform_data = { + .port_mode = PMM_PERPORT_MODE, + .init = mainstone_ohci_init, +}; + static void __init mainstone_init(void) { int SW7 = 0; /* FIXME: get from SCR (Mst doc section 3.2.1.1) */ @@ -424,6 +444,7 @@ static void __init mainstone_init(void) pxa_set_mci_info(&mainstone_mci_platform_data); pxa_set_ficp_info(&mainstone_ficp_platform_data); + pxa_set_ohci_info(&mainstone_ohci_platform_data); } diff --git a/arch/arm/mach-pxa/pm.c b/arch/arm/mach-pxa/pm.c index f74b9af..852ea72 100644 --- a/arch/arm/mach-pxa/pm.c +++ b/arch/arm/mach-pxa/pm.c @@ -155,19 +155,20 @@ int pxa_pm_enter(suspend_state_t state) PSPR = 0; /* restore registers */ + RESTORE_GPLEVEL(0); RESTORE_GPLEVEL(1); RESTORE_GPLEVEL(2); + RESTORE(GPDR0); RESTORE(GPDR1); RESTORE(GPDR2); RESTORE(GAFR0_L); RESTORE(GAFR0_U); RESTORE(GAFR1_L); RESTORE(GAFR1_U); RESTORE(GAFR2_L); RESTORE(GAFR2_U); - RESTORE_GPLEVEL(0); RESTORE_GPLEVEL(1); RESTORE_GPLEVEL(2); - RESTORE(GPDR0); RESTORE(GPDR1); RESTORE(GPDR2); RESTORE(GRER0); RESTORE(GRER1); RESTORE(GRER2); RESTORE(GFER0); RESTORE(GFER1); RESTORE(GFER2); RESTORE(PGSR0); RESTORE(PGSR1); RESTORE(PGSR2); #ifdef CONFIG_PXA27x RESTORE(MDREFR); - RESTORE(GAFR3_L); RESTORE(GAFR3_U); RESTORE_GPLEVEL(3); - RESTORE(GPDR3); RESTORE(GRER3); RESTORE(GFER3); RESTORE(PGSR3); + RESTORE_GPLEVEL(3); RESTORE(GPDR3); + RESTORE(GAFR3_L); RESTORE(GAFR3_U); + RESTORE(GRER3); RESTORE(GFER3); RESTORE(PGSR3); RESTORE(PWER); RESTORE(PCFR); RESTORE(PRER); RESTORE(PFER); RESTORE(PKWR); #endif diff --git a/arch/arm/mach-pxa/pxa27x.c b/arch/arm/mach-pxa/pxa27x.c index c722a9a..b41b1ef 100644 --- a/arch/arm/mach-pxa/pxa27x.c +++ b/arch/arm/mach-pxa/pxa27x.c @@ -21,6 +21,7 @@ #include <asm/hardware.h> #include <asm/irq.h> #include <asm/arch/pxa-regs.h> +#include <asm/arch/ohci.h> #include "generic.h" @@ -194,6 +195,11 @@ static struct platform_device ohci_device = { .resource = pxa27x_ohci_resources, }; +void __init pxa_set_ohci_info(struct pxaohci_platform_data *info) +{ + ohci_device.dev.platform_data = info; +} + static struct platform_device *devices[] __initdata = { &ohci_device, }; diff --git a/arch/arm26/nwfpe/fpmodule.c b/arch/arm26/nwfpe/fpmodule.c index 528fa71..5258c60 100644 --- a/arch/arm26/nwfpe/fpmodule.c +++ b/arch/arm26/nwfpe/fpmodule.c @@ -46,10 +46,9 @@ typedef struct task_struct* PTASK; #ifdef MODULE void fp_send_sig(unsigned long sig, PTASK p, int priv); -#if LINUX_VERSION_CODE > 0x20115 + MODULE_AUTHOR("Scott Bambrough <scottb@rebel.com>"); MODULE_DESCRIPTION("NWFPE floating point emulator"); -#endif #else #define fp_send_sig send_sig diff --git a/arch/cris/arch-v10/kernel/kgdb.c b/arch/cris/arch-v10/kernel/kgdb.c index b72e6a9..34528da 100644 --- a/arch/cris/arch-v10/kernel/kgdb.c +++ b/arch/cris/arch-v10/kernel/kgdb.c @@ -569,12 +569,6 @@ gdb_cris_strtol (const char *s, char **endptr, int base) return x; } -int -double_this(int x) -{ - return 2 * x; -} - /********************************* Register image ****************************/ /* Copy the content of a register image into another. The size n is the size of the register image. Due to struct assignment generation of diff --git a/arch/frv/kernel/Makefile b/arch/frv/kernel/Makefile index 981c2c7..422f30e 100644 --- a/arch/frv/kernel/Makefile +++ b/arch/frv/kernel/Makefile @@ -20,3 +20,4 @@ obj-$(CONFIG_FUJITSU_MB93493) += irq-mb93493.o obj-$(CONFIG_PM) += pm.o cmode.o obj-$(CONFIG_MB93093_PDK) += pm-mb93093.o obj-$(CONFIG_SYSCTL) += sysctl.o +obj-$(CONFIG_FUTEX) += futex.o diff --git a/arch/frv/kernel/entry.S b/arch/frv/kernel/entry.S index ad10ea5..5f65483 100644 --- a/arch/frv/kernel/entry.S +++ b/arch/frv/kernel/entry.S @@ -1076,7 +1076,7 @@ __entry_work_notifysig: LEDS 0x6410 ori.p gr4,#0,gr8 call do_notify_resume - bra __entry_return_direct + bra __entry_resume_userspace # perform syscall entry tracing __syscall_trace_entry: diff --git a/arch/frv/kernel/futex.c b/arch/frv/kernel/futex.c new file mode 100644 index 0000000..eae874a --- /dev/null +++ b/arch/frv/kernel/futex.c @@ -0,0 +1,242 @@ +/* futex.c: futex operations + * + * Copyright (C) 2005 Red Hat, Inc. All Rights Reserved. + * Written by David Howells (dhowells@redhat.com) + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + */ + +#include <linux/futex.h> +#include <asm/futex.h> +#include <asm/errno.h> +#include <asm/uaccess.h> + +/* + * the various futex operations; MMU fault checking is ignored under no-MMU + * conditions + */ +static inline int atomic_futex_op_xchg_set(int oparg, int __user *uaddr, int *_oldval) +{ + int oldval, ret; + + asm("0: \n" + " orcc gr0,gr0,gr0,icc3 \n" /* set ICC3.Z */ + " ckeq icc3,cc7 \n" + "1: ld.p %M0,%1 \n" /* LD.P/ORCR must be atomic */ + " orcr cc7,cc7,cc3 \n" /* set CC3 to true */ + "2: cst.p %3,%M0 ,cc3,#1 \n" + " corcc gr29,gr29,gr0 ,cc3,#1 \n" /* clear ICC3.Z if store happens */ + " beq icc3,#0,0b \n" + " setlos 0,%2 \n" + "3: \n" + ".subsection 2 \n" + "4: setlos %5,%2 \n" + " bra 3b \n" + ".previous \n" + ".section __ex_table,\"a\" \n" + " .balign 8 \n" + " .long 1b,4b \n" + " .long 2b,4b \n" + ".previous" + : "+U"(*uaddr), "=&r"(oldval), "=&r"(ret), "=r"(oparg) + : "3"(oparg), "i"(-EFAULT) + : "memory", "cc7", "cc3", "icc3" + ); + + *_oldval = oldval; + return ret; +} + +static inline int atomic_futex_op_xchg_add(int oparg, int __user *uaddr, int *_oldval) +{ + int oldval, ret; + + asm("0: \n" + " orcc gr0,gr0,gr0,icc3 \n" /* set ICC3.Z */ + " ckeq icc3,cc7 \n" + "1: ld.p %M0,%1 \n" /* LD.P/ORCR must be atomic */ + " orcr cc7,cc7,cc3 \n" /* set CC3 to true */ + " add %1,%3,%3 \n" + "2: cst.p %3,%M0 ,cc3,#1 \n" + " corcc gr29,gr29,gr0 ,cc3,#1 \n" /* clear ICC3.Z if store happens */ + " beq icc3,#0,0b \n" + " setlos 0,%2 \n" + "3: \n" + ".subsection 2 \n" + "4: setlos %5,%2 \n" + " bra 3b \n" + ".previous \n" + ".section __ex_table,\"a\" \n" + " .balign 8 \n" + " .long 1b,4b \n" + " .long 2b,4b \n" + ".previous" + : "+U"(*uaddr), "=&r"(oldval), "=&r"(ret), "=r"(oparg) + : "3"(oparg), "i"(-EFAULT) + : "memory", "cc7", "cc3", "icc3" + ); + + *_oldval = oldval; + return ret; +} + +static inline int atomic_futex_op_xchg_or(int oparg, int __user *uaddr, int *_oldval) +{ + int oldval, ret; + + asm("0: \n" + " orcc gr0,gr0,gr0,icc3 \n" /* set ICC3.Z */ + " ckeq icc3,cc7 \n" + "1: ld.p %M0,%1 \n" /* LD.P/ORCR must be atomic */ + " orcr cc7,cc7,cc3 \n" /* set CC3 to true */ + " or %1,%3,%3 \n" + "2: cst.p %3,%M0 ,cc3,#1 \n" + " corcc gr29,gr29,gr0 ,cc3,#1 \n" /* clear ICC3.Z if store happens */ + " beq icc3,#0,0b \n" + " setlos 0,%2 \n" + "3: \n" + ".subsection 2 \n" + "4: setlos %5,%2 \n" + " bra 3b \n" + ".previous \n" + ".section __ex_table,\"a\" \n" + " .balign 8 \n" + " .long 1b,4b \n" + " .long 2b,4b \n" + ".previous" + : "+U"(*uaddr), "=&r"(oldval), "=&r"(ret), "=r"(oparg) + : "3"(oparg), "i"(-EFAULT) + : "memory", "cc7", "cc3", "icc3" + ); + + *_oldval = oldval; + return ret; +} + +static inline int atomic_futex_op_xchg_and(int oparg, int __user *uaddr, int *_oldval) +{ + int oldval, ret; + + asm("0: \n" + " orcc gr0,gr0,gr0,icc3 \n" /* set ICC3.Z */ + " ckeq icc3,cc7 \n" + "1: ld.p %M0,%1 \n" /* LD.P/ORCR must be atomic */ + " orcr cc7,cc7,cc3 \n" /* set CC3 to true */ + " and %1,%3,%3 \n" + "2: cst.p %3,%M0 ,cc3,#1 \n" + " corcc gr29,gr29,gr0 ,cc3,#1 \n" /* clear ICC3.Z if store happens */ + " beq icc3,#0,0b \n" + " setlos 0,%2 \n" + "3: \n" + ".subsection 2 \n" + "4: setlos %5,%2 \n" + " bra 3b \n" + ".previous \n" + ".section __ex_table,\"a\" \n" + " .balign 8 \n" + " .long 1b,4b \n" + " .long 2b,4b \n" + ".previous" + : "+U"(*uaddr), "=&r"(oldval), "=&r"(ret), "=r"(oparg) + : "3"(oparg), "i"(-EFAULT) + : "memory", "cc7", "cc3", "icc3" + ); + + *_oldval = oldval; + return ret; +} + +static inline int atomic_futex_op_xchg_xor(int oparg, int __user *uaddr, int *_oldval) +{ + int oldval, ret; + + asm("0: \n" + " orcc gr0,gr0,gr0,icc3 \n" /* set ICC3.Z */ + " ckeq icc3,cc7 \n" + "1: ld.p %M0,%1 \n" /* LD.P/ORCR must be atomic */ + " orcr cc7,cc7,cc3 \n" /* set CC3 to true */ + " xor %1,%3,%3 \n" + "2: cst.p %3,%M0 ,cc3,#1 \n" + " corcc gr29,gr29,gr0 ,cc3,#1 \n" /* clear ICC3.Z if store happens */ + " beq icc3,#0,0b \n" + " setlos 0,%2 \n" + "3: \n" + ".subsection 2 \n" + "4: setlos %5,%2 \n" + " bra 3b \n" + ".previous \n" + ".section __ex_table,\"a\" \n" + " .balign 8 \n" + " .long 1b,4b \n" + " .long 2b,4b \n" + ".previous" + : "+U"(*uaddr), "=&r"(oldval), "=&r"(ret), "=r"(oparg) + : "3"(oparg), "i"(-EFAULT) + : "memory", "cc7", "cc3", "icc3" + ); + + *_oldval = oldval; + return ret; +} + +/*****************************************************************************/ +/* + * do the futex operations + */ +int futex_atomic_op_inuser(int encoded_op, int __user *uaddr) +{ + int op = (encoded_op >> 28) & 7; + int cmp = (encoded_op >> 24) & 15; + int oparg = (encoded_op << 8) >> 20; + int cmparg = (encoded_op << 20) >> 20; + int oldval = 0, ret; + + if (encoded_op & (FUTEX_OP_OPARG_SHIFT << 28)) + oparg = 1 << oparg; + + if (!access_ok(VERIFY_WRITE, uaddr, sizeof(int))) + return -EFAULT; + + inc_preempt_count(); + + switch (op) { + case FUTEX_OP_SET: + ret = atomic_futex_op_xchg_set(oparg, uaddr, &oldval); + break; + case FUTEX_OP_ADD: + ret = atomic_futex_op_xchg_add(oparg, uaddr, &oldval); + break; + case FUTEX_OP_OR: + ret = atomic_futex_op_xchg_or(oparg, uaddr, &oldval); + break; + case FUTEX_OP_ANDN: + ret = atomic_futex_op_xchg_and(~oparg, uaddr, &oldval); + break; + case FUTEX_OP_XOR: + ret = atomic_futex_op_xchg_xor(oparg, uaddr, &oldval); + break; + default: + ret = -ENOSYS; + break; + } + + dec_preempt_count(); + + if (!ret) { + switch (cmp) { + case FUTEX_OP_CMP_EQ: ret = (oldval == cmparg); break; + case FUTEX_OP_CMP_NE: ret = (oldval != cmparg); break; + case FUTEX_OP_CMP_LT: ret = (oldval < cmparg); break; + case FUTEX_OP_CMP_GE: ret = (oldval >= cmparg); break; + case FUTEX_OP_CMP_LE: ret = (oldval <= cmparg); break; + case FUTEX_OP_CMP_GT: ret = (oldval > cmparg); break; + default: ret = -ENOSYS; break; + } + } + + return ret; + +} /* end futex_atomic_op_inuser() */ diff --git a/arch/frv/kernel/signal.c b/arch/frv/kernel/signal.c index d4ccc07..5b7146f 100644 --- a/arch/frv/kernel/signal.c +++ b/arch/frv/kernel/signal.c @@ -35,7 +35,7 @@ struct fdpic_func_descriptor { unsigned long GOT; }; -asmlinkage int do_signal(struct pt_regs *regs, sigset_t *oldset); +static int do_signal(sigset_t *oldset); /* * Atomically swap in the new signal mask, and wait for a signal. @@ -55,7 +55,7 @@ asmlinkage int sys_sigsuspend(int history0, int history1, old_sigset_t mask) while (1) { current->state = TASK_INTERRUPTIBLE; schedule(); - if (do_signal(__frame, &saveset)) + if (do_signal(&saveset)) /* return the signal number as the return value of this function * - this is an utterly evil hack. syscalls should not invoke do_signal() * as entry.S sets regs->gr8 to the return value of the system call @@ -91,7 +91,7 @@ asmlinkage int sys_rt_sigsuspend(sigset_t __user *unewset, size_t sigsetsize) while (1) { current->state = TASK_INTERRUPTIBLE; schedule(); - if (do_signal(__frame, &saveset)) + if (do_signal(&saveset)) /* return the signal number as the return value of this function * - this is an utterly evil hack. syscalls should not invoke do_signal() * as entry.S sets regs->gr8 to the return value of the system call @@ -276,13 +276,12 @@ static int setup_sigcontext(struct sigcontext __user *sc, unsigned long mask) * Determine which stack to use.. */ static inline void __user *get_sigframe(struct k_sigaction *ka, - struct pt_regs *regs, size_t frame_size) { unsigned long sp; /* Default to using normal stack */ - sp = regs->sp; + sp = __frame->sp; /* This is the X/Open sanctioned signal stack switching. */ if (ka->sa.sa_flags & SA_ONSTACK) { @@ -291,18 +290,19 @@ static inline void __user *get_sigframe(struct k_sigaction *ka, } return (void __user *) ((sp - frame_size) & ~7UL); + } /* end get_sigframe() */ /*****************************************************************************/ /* * */ -static void setup_frame(int sig, struct k_sigaction *ka, sigset_t *set, struct pt_regs * regs) +static int setup_frame(int sig, struct k_sigaction *ka, sigset_t *set) { struct sigframe __user *frame; int rsig; - frame = get_sigframe(ka, regs, sizeof(*frame)); + frame = get_sigframe(ka, sizeof(*frame)); if (!access_ok(VERIFY_WRITE, frame, sizeof(*frame))) goto give_sigsegv; @@ -346,47 +346,51 @@ static void setup_frame(int sig, struct k_sigaction *ka, sigset_t *set, struct p } /* set up registers for signal handler */ - regs->sp = (unsigned long) frame; - regs->lr = (unsigned long) &frame->retcode; - regs->gr8 = sig; + __frame->sp = (unsigned long) frame; + __frame->lr = (unsigned long) &frame->retcode; + __frame->gr8 = sig; if (get_personality & FDPIC_FUNCPTRS) { struct fdpic_func_descriptor __user *funcptr = (struct fdpic_func_descriptor *) ka->sa.sa_handler; - __get_user(regs->pc, &funcptr->text); - __get_user(regs->gr15, &funcptr->GOT); + __get_user(__frame->pc, &funcptr->text); + __get_user(__frame->gr15, &funcptr->GOT); } else { - regs->pc = (unsigned long) ka->sa.sa_handler; - regs->gr15 = 0; + __frame->pc = (unsigned long) ka->sa.sa_handler; + __frame->gr15 = 0; } set_fs(USER_DS); + /* the tracer may want to single-step inside the handler */ + if (test_thread_flag(TIF_SINGLESTEP)) + ptrace_notify(SIGTRAP); + #if DEBUG_SIG printk("SIG deliver %d (%s:%d): sp=%p pc=%lx ra=%p\n", - sig, current->comm, current->pid, frame, regs->pc, frame->pretcode); + sig, current->comm, current->pid, frame, __frame->pc, + frame->pretcode); #endif - return; + return 1; give_sigsegv: - if (sig == SIGSEGV) - ka->sa.sa_handler = SIG_DFL; - force_sig(SIGSEGV, current); + return 0; + } /* end setup_frame() */ /*****************************************************************************/ /* * */ -static void setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info, - sigset_t *set, struct pt_regs * regs) +static int setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info, + sigset_t *set) { struct rt_sigframe __user *frame; int rsig; - frame = get_sigframe(ka, regs, sizeof(*frame)); + frame = get_sigframe(ka, sizeof(*frame)); if (!access_ok(VERIFY_WRITE, frame, sizeof(*frame))) goto give_sigsegv; @@ -409,7 +413,7 @@ static void setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info, if (__put_user(0, &frame->uc.uc_flags) || __put_user(0, &frame->uc.uc_link) || __put_user((void*)current->sas_ss_sp, &frame->uc.uc_stack.ss_sp) || - __put_user(sas_ss_flags(regs->sp), &frame->uc.uc_stack.ss_flags) || + __put_user(sas_ss_flags(__frame->sp), &frame->uc.uc_stack.ss_flags) || __put_user(current->sas_ss_size, &frame->uc.uc_stack.ss_size)) goto give_sigsegv; @@ -440,34 +444,38 @@ static void setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info, } /* Set up registers for signal handler */ - regs->sp = (unsigned long) frame; - regs->lr = (unsigned long) &frame->retcode; - regs->gr8 = sig; - regs->gr9 = (unsigned long) &frame->info; + __frame->sp = (unsigned long) frame; + __frame->lr = (unsigned long) &frame->retcode; + __frame->gr8 = sig; + __frame->gr9 = (unsigned long) &frame->info; if (get_personality & FDPIC_FUNCPTRS) { struct fdpic_func_descriptor *funcptr = (struct fdpic_func_descriptor __user *) ka->sa.sa_handler; - __get_user(regs->pc, &funcptr->text); - __get_user(regs->gr15, &funcptr->GOT); + __get_user(__frame->pc, &funcptr->text); + __get_user(__frame->gr15, &funcptr->GOT); } else { - regs->pc = (unsigned long) ka->sa.sa_handler; - regs->gr15 = 0; + __frame->pc = (unsigned long) ka->sa.sa_handler; + __frame->gr15 = 0; } set_fs(USER_DS); + /* the tracer may want to single-step inside the handler */ + if (test_thread_flag(TIF_SINGLESTEP)) + ptrace_notify(SIGTRAP); + #if DEBUG_SIG printk("SIG deliver %d (%s:%d): sp=%p pc=%lx ra=%p\n", - sig, current->comm, current->pid, frame, regs->pc, frame->pretcode); + sig, current->comm, current->pid, frame, __frame->pc, + frame->pretcode); #endif - return; + return 1; give_sigsegv: - if (sig == SIGSEGV) - ka->sa.sa_handler = SIG_DFL; force_sig(SIGSEGV, current); + return 0; } /* end setup_rt_frame() */ @@ -475,43 +483,51 @@ give_sigsegv: /* * OK, we're invoking a handler */ -static void handle_signal(unsigned long sig, siginfo_t *info, - struct k_sigaction *ka, sigset_t *oldset, - struct pt_regs *regs) +static int handle_signal(unsigned long sig, siginfo_t *info, + struct k_sigaction *ka, sigset_t *oldset) { + int ret; + /* Are we from a system call? */ - if (in_syscall(regs)) { + if (in_syscall(__frame)) { /* If so, check system call restarting.. */ - switch (regs->gr8) { + switch (__frame->gr8) { case -ERESTART_RESTARTBLOCK: case -ERESTARTNOHAND: - regs->gr8 = -EINTR; + __frame->gr8 = -EINTR; break; case -ERESTARTSYS: if (!(ka->sa.sa_flags & SA_RESTART)) { - regs->gr8 = -EINTR; + __frame->gr8 = -EINTR; break; } + /* fallthrough */ case -ERESTARTNOINTR: - regs->gr8 = regs->orig_gr8; - regs->pc -= 4; + __frame->gr8 = __frame->orig_gr8; + __frame->pc -= 4; } } /* Set up the stack frame */ if (ka->sa.sa_flags & SA_SIGINFO) - setup_rt_frame(sig, ka, info, oldset, regs); + ret = setup_rt_frame(sig, ka, info, oldset); else - setup_frame(sig, ka, oldset, regs); + ret = setup_frame(sig, ka, oldset); + + if (ret) { + spin_lock_irq(¤t->sighand->siglock); + sigorsets(¤t->blocked, ¤t->blocked, + &ka->sa.sa_mask); + if (!(ka->sa.sa_flags & SA_NODEFER)) + sigaddset(¤t->blocked, sig); + recalc_sigpending(); + spin_unlock_irq(¤t->sighand->siglock); + } + + return ret; - spin_lock_irq(¤t->sighand->siglock); - sigorsets(¤t->blocked, ¤t->blocked, &ka->sa.sa_mask); - if (!(ka->sa.sa_flags & SA_NODEFER)) - sigaddset(¤t->blocked, sig); - recalc_sigpending(); - spin_unlock_irq(¤t->sighand->siglock); } /* end handle_signal() */ /*****************************************************************************/ @@ -520,7 +536,7 @@ static void handle_signal(unsigned long sig, siginfo_t *info, * want to handle. Thus you cannot kill init even with a SIGKILL even by * mistake. */ -int do_signal(struct pt_regs *regs, sigset_t *oldset) +static int do_signal(sigset_t *oldset) { struct k_sigaction ka; siginfo_t info; @@ -532,7 +548,7 @@ int do_signal(struct pt_regs *regs, sigset_t *oldset) * kernel mode. Just return without doing anything * if so. */ - if (!user_mode(regs)) + if (!user_mode(__frame)) return 1; if (try_to_freeze()) @@ -541,30 +557,29 @@ int do_signal(struct pt_regs *regs, sigset_t *oldset) if (!oldset) oldset = ¤t->blocked; - signr = get_signal_to_deliver(&info, &ka, regs, NULL); - if (signr > 0) { - handle_signal(signr, &info, &ka, oldset, regs); - return 1; - } + signr = get_signal_to_deliver(&info, &ka, __frame, NULL); + if (signr > 0) + return handle_signal(signr, &info, &ka, oldset); - no_signal: +no_signal: /* Did we come from a system call? */ - if (regs->syscallno >= 0) { + if (__frame->syscallno >= 0) { /* Restart the system call - no handlers present */ - if (regs->gr8 == -ERESTARTNOHAND || - regs->gr8 == -ERESTARTSYS || - regs->gr8 == -ERESTARTNOINTR) { - regs->gr8 = regs->orig_gr8; - regs->pc -= 4; + if (__frame->gr8 == -ERESTARTNOHAND || + __frame->gr8 == -ERESTARTSYS || + __frame->gr8 == -ERESTARTNOINTR) { + __frame->gr8 = __frame->orig_gr8; + __frame->pc -= 4; } - if (regs->gr8 == -ERESTART_RESTARTBLOCK){ - regs->gr8 = __NR_restart_syscall; - regs->pc -= 4; + if (__frame->gr8 == -ERESTART_RESTARTBLOCK){ + __frame->gr8 = __NR_restart_syscall; + __frame->pc -= 4; } } return 0; + } /* end do_signal() */ /*****************************************************************************/ @@ -580,6 +595,6 @@ asmlinkage void do_notify_resume(__u32 thread_info_flags) /* deal with pending signal delivery */ if (thread_info_flags & _TIF_SIGPENDING) - do_signal(__frame, NULL); + do_signal(NULL); } /* end do_notify_resume() */ diff --git a/arch/i386/Kconfig b/arch/i386/Kconfig index 6004bb0..968fabd 100644 --- a/arch/i386/Kconfig +++ b/arch/i386/Kconfig @@ -464,7 +464,6 @@ config NUMA depends on SMP && HIGHMEM64G && (X86_NUMAQ || X86_GENERICARCH || (X86_SUMMIT && ACPI)) default n if X86_PC default y if (X86_NUMAQ || X86_SUMMIT) - select SPARSEMEM_STATIC # Need comments to help the hapless user trying to turn on NUMA support comment "NUMA (NUMA-Q) requires SMP, 64GB highmem support" @@ -493,6 +492,10 @@ config HAVE_ARCH_ALLOC_REMAP depends on NUMA default y +config ARCH_FLATMEM_ENABLE + def_bool y + depends on (ARCH_SELECT_MEMORY_MODEL && X86_PC) + config ARCH_DISCONTIGMEM_ENABLE def_bool y depends on NUMA @@ -503,7 +506,8 @@ config ARCH_DISCONTIGMEM_DEFAULT config ARCH_SPARSEMEM_ENABLE def_bool y - depends on NUMA + depends on (NUMA || (X86_PC && EXPERIMENTAL)) + select SPARSEMEM_STATIC config ARCH_SELECT_MEMORY_MODEL def_bool y diff --git a/arch/i386/Kconfig.cpu b/arch/i386/Kconfig.cpu index 53bbb3c..79603b3 100644 --- a/arch/i386/Kconfig.cpu +++ b/arch/i386/Kconfig.cpu @@ -39,6 +39,7 @@ config M386 - "Winchip-2" for IDT Winchip 2. - "Winchip-2A" for IDT Winchips with 3dNow! capabilities. - "GeodeGX1" for Geode GX1 (Cyrix MediaGX). + - "Geode GX/LX" For AMD Geode GX and LX processors. - "CyrixIII/VIA C3" for VIA Cyrix III or VIA C3. - "VIA C3-2 for VIA C3-2 "Nehemiah" (model 9 and above). @@ -171,6 +172,11 @@ config MGEODEGX1 help Select this for a Geode GX1 (Cyrix MediaGX) chip. +config MGEODE_LX + bool "Geode GX/LX" + help + Select this for AMD Geode GX and LX processors. + config MCYRIXIII bool "CyrixIII/VIA-C3" help @@ -220,8 +226,8 @@ config X86_XADD config X86_L1_CACHE_SHIFT int default "7" if MPENTIUM4 || X86_GENERIC - default "4" if X86_ELAN || M486 || M386 - default "5" if MWINCHIP3D || MWINCHIP2 || MWINCHIPC6 || MCRUSOE || MEFFICEON || MCYRIXIII || MK6 || MPENTIUMIII || MPENTIUMII || M686 || M586MMX || M586TSC || M586 || MVIAC3_2 || MGEODEGX1 + default "4" if X86_ELAN || M486 || M386 || MGEODEGX1 + default "5" if MWINCHIP3D || MWINCHIP2 || MWINCHIPC6 || MCRUSOE || MEFFICEON || MCYRIXIII || MK6 || MPENTIUMIII || MPENTIUMII || M686 || M586MMX || M586TSC || M586 || MVIAC3_2 || MGEODE_LX default "6" if MK7 || MK8 || MPENTIUMM config RWSEM_GENERIC_SPINLOCK @@ -290,12 +296,12 @@ config X86_INTEL_USERCOPY config X86_USE_PPRO_CHECKSUM bool - depends on MWINCHIP3D || MWINCHIP2 || MWINCHIPC6 || MCYRIXIII || MK7 || MK6 || MPENTIUM4 || MPENTIUMM || MPENTIUMIII || MPENTIUMII || M686 || MK8 || MVIAC3_2 || MEFFICEON + depends on MWINCHIP3D || MWINCHIP2 || MWINCHIPC6 || MCYRIXIII || MK7 || MK6 || MPENTIUM4 || MPENTIUMM || MPENTIUMIII || MPENTIUMII || M686 || MK8 || MVIAC3_2 || MEFFICEON || MGEODE_LX default y config X86_USE_3DNOW bool - depends on MCYRIXIII || MK7 + depends on MCYRIXIII || MK7 || MGEODE_LX default y config X86_OOSTORE diff --git a/arch/i386/Kconfig.debug b/arch/i386/Kconfig.debug index c48b424..bf32ecc 100644 --- a/arch/i386/Kconfig.debug +++ b/arch/i386/Kconfig.debug @@ -42,6 +42,16 @@ config DEBUG_PAGEALLOC This results in a large slowdown, but helps to find certain types of memory corruptions. +config DEBUG_RODATA + bool "Write protect kernel read-only data structures" + depends on DEBUG_KERNEL + help + Mark the kernel read-only data as write-protected in the pagetables, + in order to catch accidental (and incorrect) writes to such const + data. This option may have a slight performance impact because a + portion of the kernel code won't be covered by a 2MB TLB anymore. + If in doubt, say "N". + config 4KSTACKS bool "Use 4Kb for kernel stacks instead of 8Kb" depends on DEBUG_KERNEL diff --git a/arch/i386/kernel/apic.c b/arch/i386/kernel/apic.c index 496a2c9..d8f94e7 100644 --- a/arch/i386/kernel/apic.c +++ b/arch/i386/kernel/apic.c @@ -721,7 +721,7 @@ static int __init apic_set_verbosity(char *str) apic_verbosity = APIC_VERBOSE; else printk(KERN_WARNING "APIC Verbosity level %s not recognised" - " use apic=verbose or apic=debug", str); + " use apic=verbose or apic=debug\n", str); return 0; } diff --git a/arch/i386/kernel/apm.c b/arch/i386/kernel/apm.c index 1e60acb..2d793d4 100644 --- a/arch/i386/kernel/apm.c +++ b/arch/i386/kernel/apm.c @@ -303,17 +303,6 @@ extern int (*console_blank_hook)(int); #include "apm.h" /* - * Define to make all _set_limit calls use 64k limits. The APM 1.1 BIOS is - * supposed to provide limit information that it recognizes. Many machines - * do this correctly, but many others do not restrict themselves to their - * claimed limit. When this happens, they will cause a segmentation - * violation in the kernel at boot time. Most BIOS's, however, will - * respect a 64k limit, so we use that. If you want to be pedantic and - * hold your BIOS to its claims, then undefine this. - */ -#define APM_RELAX_SEGMENTS - -/* * Define to re-initialize the interrupt 0 timer to 100 Hz after a suspend. * This patched by Chad Miller <cmiller@surfsouth.com>, original code by * David Chen <chen@ctpa04.mit.edu> @@ -1075,22 +1064,23 @@ static int apm_engage_power_management(u_short device, int enable) static int apm_console_blank(int blank) { - int error; - u_short state; + int error, i; + u_short state; + static const u_short dev[3] = { 0x100, 0x1FF, 0x101 }; state = blank ? APM_STATE_STANDBY : APM_STATE_READY; - /* Blank the first display device */ - error = set_power_state(0x100, state); - if ((error != APM_SUCCESS) && (error != APM_NO_ERROR)) { - /* try to blank them all instead */ - error = set_power_state(0x1ff, state); - if ((error != APM_SUCCESS) && (error != APM_NO_ERROR)) - /* try to blank device one instead */ - error = set_power_state(0x101, state); + + for (i = 0; i < ARRAY_SIZE(dev); i++) { + error = set_power_state(dev[i], state); + + if ((error == APM_SUCCESS) || (error == APM_NO_ERROR)) + return 1; + + if (error == APM_NOT_ENGAGED) + break; } - if ((error == APM_SUCCESS) || (error == APM_NO_ERROR)) - return 1; - if (error == APM_NOT_ENGAGED) { + + if (error == APM_NOT_ENGAGED && state != APM_STATE_READY) { static int tried; int eng_error; if (tried++ == 0) { @@ -2233,8 +2223,8 @@ static struct dmi_system_id __initdata apm_dmi_table[] = { static int __init apm_init(void) { struct proc_dir_entry *apm_proc; + struct desc_struct *gdt; int ret; - int i; dmi_check_system(apm_dmi_table); @@ -2312,45 +2302,30 @@ static int __init apm_init(void) set_base(bad_bios_desc, __va((unsigned long)0x40 << 4)); _set_limit((char *)&bad_bios_desc, 4095 - (0x40 << 4)); + /* + * Set up the long jump entry point to the APM BIOS, which is called + * from inline assembly. + */ apm_bios_entry.offset = apm_info.bios.offset; apm_bios_entry.segment = APM_CS; - for (i = 0; i < NR_CPUS; i++) { - struct desc_struct *gdt = get_cpu_gdt_table(i); - set_base(gdt[APM_CS >> 3], - __va((unsigned long)apm_info.bios.cseg << 4)); - set_base(gdt[APM_CS_16 >> 3], - __va((unsigned long)apm_info.bios.cseg_16 << 4)); - set_base(gdt[APM_DS >> 3], - __va((unsigned long)apm_info.bios.dseg << 4)); -#ifndef APM_RELAX_SEGMENTS - if (apm_info.bios.version == 0x100) { -#endif - /* For ASUS motherboard, Award BIOS rev 110 (and others?) */ - _set_limit((char *)&gdt[APM_CS >> 3], 64 * 1024 - 1); - /* For some unknown machine. */ - _set_limit((char *)&gdt[APM_CS_16 >> 3], 64 * 1024 - 1); - /* For the DEC Hinote Ultra CT475 (and others?) */ - _set_limit((char *)&gdt[APM_DS >> 3], 64 * 1024 - 1); -#ifndef APM_RELAX_SEGMENTS - } else { - _set_limit((char *)&gdt[APM_CS >> 3], - (apm_info.bios.cseg_len - 1) & 0xffff); - _set_limit((char *)&gdt[APM_CS_16 >> 3], - (apm_info.bios.cseg_16_len - 1) & 0xffff); - _set_limit((char *)&gdt[APM_DS >> 3], - (apm_info.bios.dseg_len - 1) & 0xffff); - /* workaround for broken BIOSes */ - if (apm_info.bios.cseg_len <= apm_info.bios.offset) - _set_limit((char *)&gdt[APM_CS >> 3], 64 * 1024 -1); - if (apm_info.bios.dseg_len <= 0x40) { /* 0x40 * 4kB == 64kB */ - /* for the BIOS that assumes granularity = 1 */ - gdt[APM_DS >> 3].b |= 0x800000; - printk(KERN_NOTICE "apm: we set the granularity of dseg.\n"); - } - } -#endif - } + /* + * The APM 1.1 BIOS is supposed to provide limit information that it + * recognizes. Many machines do this correctly, but many others do + * not restrict themselves to their claimed limit. When this happens, + * they will cause a segmentation violation in the kernel at boot time. + * Most BIOS's, however, will respect a 64k limit, so we use that. + * + * Note we only set APM segments on CPU zero, since we pin the APM + * code to that CPU. + */ + gdt = get_cpu_gdt_table(0); + set_base(gdt[APM_CS >> 3], + __va((unsigned long)apm_info.bios.cseg << 4)); + set_base(gdt[APM_CS_16 >> 3], + __va((unsigned long)apm_info.bios.cseg_16 << 4)); + set_base(gdt[APM_DS >> 3], + __va((unsigned long)apm_info.bios.dseg << 4)); apm_proc = create_proc_info_entry("apm", 0, NULL, apm_get_info); if (apm_proc) diff --git a/arch/i386/kernel/cpu/amd.c b/arch/i386/kernel/cpu/amd.c index e344ef88..e7697e0 100644 --- a/arch/i386/kernel/cpu/amd.c +++ b/arch/i386/kernel/cpu/amd.c @@ -161,8 +161,13 @@ static void __init init_amd(struct cpuinfo_x86 *c) set_bit(X86_FEATURE_K6_MTRR, c->x86_capability); break; } - break; + if (c->x86_model == 10) { + /* AMD Geode LX is model 10 */ + /* placeholder for any needed mods */ + break; + } + break; case 6: /* An Athlon/Duron */ /* Bit 15 of Athlon specific MSR 15, needs to be 0 diff --git a/arch/i386/kernel/cpu/common.c b/arch/i386/kernel/cpu/common.c index 31e344b..cca6556 100644 --- a/arch/i386/kernel/cpu/common.c +++ b/arch/i386/kernel/cpu/common.c @@ -18,9 +18,6 @@ #include "cpu.h" -DEFINE_PER_CPU(struct desc_struct, cpu_gdt_table[GDT_ENTRIES]); -EXPORT_PER_CPU_SYMBOL(cpu_gdt_table); - DEFINE_PER_CPU(unsigned char, cpu_16bit_stack[CPU_16BIT_STACK_SIZE]); EXPORT_PER_CPU_SYMBOL(cpu_16bit_stack); @@ -599,11 +596,6 @@ void __devinit cpu_init(void) load_idt(&idt_descr); /* - * Delete NT - */ - __asm__("pushfl ; andl $0xffffbfff,(%esp) ; popfl"); - - /* * Set up and load the per-CPU TSS and LDT */ atomic_inc(&init_mm.mm_count); diff --git a/arch/i386/kernel/cpu/cpufreq/cpufreq-nforce2.c b/arch/i386/kernel/cpu/cpufreq/cpufreq-nforce2.c index 04a4053..2b62dee 100644 --- a/arch/i386/kernel/cpu/cpufreq/cpufreq-nforce2.c +++ b/arch/i386/kernel/cpu/cpufreq/cpufreq-nforce2.c @@ -177,9 +177,10 @@ static unsigned int nforce2_fsb_read(int bootfsb) */ static int nforce2_set_fsb(unsigned int fsb) { - u32 pll, temp = 0; + u32 temp = 0; unsigned int tfsb; int diff; + int pll = 0; if ((fsb > max_fsb) || (fsb < NFORCE2_MIN_FSB)) { printk(KERN_ERR "cpufreq: FSB %d is out of range!\n", fsb); diff --git a/arch/i386/kernel/cpu/cpufreq/powernow-k8.c b/arch/i386/kernel/cpu/cpufreq/powernow-k8.c index 68a1fc8..0fbbd4c 100644 --- a/arch/i386/kernel/cpu/cpufreq/powernow-k8.c +++ b/arch/i386/kernel/cpu/cpufreq/powernow-k8.c @@ -45,7 +45,7 @@ #define PFX "powernow-k8: " #define BFX PFX "BIOS error: " -#define VERSION "version 1.50.4" +#define VERSION "version 1.60.0" #include "powernow-k8.h" /* serialize freq changes */ @@ -216,10 +216,10 @@ static int write_new_vid(struct powernow_k8_data *data, u32 vid) do { wrmsr(MSR_FIDVID_CTL, lo, STOP_GRANT_5NS); - if (i++ > 100) { - printk(KERN_ERR PFX "internal error - pending bit very stuck - no further pstate changes possible\n"); - return 1; - } + if (i++ > 100) { + printk(KERN_ERR PFX "internal error - pending bit very stuck - no further pstate changes possible\n"); + return 1; + } } while (query_current_values_with_pending_wait(data)); if (savefid != data->currfid) { @@ -336,7 +336,7 @@ static int core_voltage_pre_transition(struct powernow_k8_data *data, u32 reqvid /* Phase 2 - core frequency transition */ static int core_frequency_transition(struct powernow_k8_data *data, u32 reqfid) { - u32 vcoreqfid, vcocurrfid, vcofiddiff, savevid = data->currvid; + u32 vcoreqfid, vcocurrfid, vcofiddiff, fid_interval, savevid = data->currvid; if ((reqfid < HI_FID_TABLE_BOTTOM) && (data->currfid < HI_FID_TABLE_BOTTOM)) { printk(KERN_ERR PFX "ph2: illegal lo-lo transition 0x%x 0x%x\n", @@ -359,9 +359,11 @@ static int core_frequency_transition(struct powernow_k8_data *data, u32 reqfid) : vcoreqfid - vcocurrfid; while (vcofiddiff > 2) { + (data->currfid & 1) ? (fid_interval = 1) : (fid_interval = 2); + if (reqfid > data->currfid) { if (data->currfid > LO_FID_TABLE_TOP) { - if (write_new_fid(data, data->currfid + 2)) { + if (write_new_fid(data, data->currfid + fid_interval)) { return 1; } } else { @@ -371,7 +373,7 @@ static int core_frequency_transition(struct powernow_k8_data *data, u32 reqfid) } } } else { - if (write_new_fid(data, data->currfid - 2)) + if (write_new_fid(data, data->currfid - fid_interval)) return 1; } @@ -464,7 +466,7 @@ static int check_supported_cpu(unsigned int cpu) set_cpus_allowed(current, cpumask_of_cpu(cpu)); if (smp_processor_id() != cpu) { - printk(KERN_ERR "limiting to cpu %u failed\n", cpu); + printk(KERN_ERR PFX "limiting to cpu %u failed\n", cpu); goto out; } @@ -474,7 +476,7 @@ static int check_supported_cpu(unsigned int cpu) eax = cpuid_eax(CPUID_PROCESSOR_SIGNATURE); if (((eax & CPUID_USE_XFAM_XMOD) != CPUID_USE_XFAM_XMOD) || ((eax & CPUID_XFAM) != CPUID_XFAM_K8) || - ((eax & CPUID_XMOD) > CPUID_XMOD_REV_F)) { + ((eax & CPUID_XMOD) > CPUID_XMOD_REV_G)) { printk(KERN_INFO PFX "Processor cpuid %x not supported\n", eax); goto out; } @@ -517,22 +519,24 @@ static int check_pst_table(struct powernow_k8_data *data, struct pst_s *pst, u8 printk(KERN_ERR BFX "maxvid exceeded with pstate %d\n", j); return -ENODEV; } - if ((pst[j].fid > MAX_FID) - || (pst[j].fid & 1) - || (j && (pst[j].fid < HI_FID_TABLE_BOTTOM))) { + if (pst[j].fid > MAX_FID) { + printk(KERN_ERR BFX "maxfid exceeded with pstate %d\n", j); + return -ENODEV; + } + if (j && (pst[j].fid < HI_FID_TABLE_BOTTOM)) { /* Only first fid is allowed to be in "low" range */ - printk(KERN_ERR PFX "two low fids - %d : 0x%x\n", j, pst[j].fid); + printk(KERN_ERR BFX "two low fids - %d : 0x%x\n", j, pst[j].fid); return -EINVAL; } if (pst[j].fid < lastfid) lastfid = pst[j].fid; } if (lastfid & 1) { - printk(KERN_ERR PFX "lastfid invalid\n"); + printk(KERN_ERR BFX "lastfid invalid\n"); return -EINVAL; } if (lastfid > LO_FID_TABLE_TOP) - printk(KERN_INFO PFX "first fid not from lo freq table\n"); + printk(KERN_INFO BFX "first fid not from lo freq table\n"); return 0; } @@ -631,7 +635,7 @@ static int find_psb_table(struct powernow_k8_data *data) dprintk("table vers: 0x%x\n", psb->tableversion); if (psb->tableversion != PSB_VERSION_1_4) { - printk(KERN_INFO BFX "PSB table is not v1.4\n"); + printk(KERN_ERR BFX "PSB table is not v1.4\n"); return -ENODEV; } @@ -689,7 +693,7 @@ static int find_psb_table(struct powernow_k8_data *data) * BIOS and Kernel Developer's Guide, which is available on * www.amd.com */ - printk(KERN_INFO PFX "BIOS error - no PSB or ACPI _PSS objects\n"); + printk(KERN_ERR PFX "BIOS error - no PSB or ACPI _PSS objects\n"); return -ENODEV; } @@ -912,7 +916,7 @@ static int powernowk8_target(struct cpufreq_policy *pol, unsigned targfreq, unsi set_cpus_allowed(current, cpumask_of_cpu(pol->cpu)); if (smp_processor_id() != pol->cpu) { - printk(KERN_ERR "limiting to cpu %u failed\n", pol->cpu); + printk(KERN_ERR PFX "limiting to cpu %u failed\n", pol->cpu); goto err_out; } @@ -982,6 +986,9 @@ static int __init powernowk8_cpu_init(struct cpufreq_policy *pol) cpumask_t oldmask = CPU_MASK_ALL; int rc, i; + if (!cpu_online(pol->cpu)) + return -ENODEV; + if (!check_supported_cpu(pol->cpu)) return -ENODEV; @@ -1021,7 +1028,7 @@ static int __init powernowk8_cpu_init(struct cpufreq_policy *pol) set_cpus_allowed(current, cpumask_of_cpu(pol->cpu)); if (smp_processor_id() != pol->cpu) { - printk(KERN_ERR "limiting to cpu %u failed\n", pol->cpu); + printk(KERN_ERR PFX "limiting to cpu %u failed\n", pol->cpu); goto err_out; } @@ -1162,10 +1169,9 @@ static void __exit powernowk8_exit(void) cpufreq_unregister_driver(&cpufreq_amd64_driver); } -MODULE_AUTHOR("Paul Devriendt <paul.devriendt@amd.com> and Mark Langsdorf <mark.langsdorf@amd.com."); +MODULE_AUTHOR("Paul Devriendt <paul.devriendt@amd.com> and Mark Langsdorf <mark.langsdorf@amd.com>"); MODULE_DESCRIPTION("AMD Athlon 64 and Opteron processor frequency driver."); MODULE_LICENSE("GPL"); late_initcall(powernowk8_init); module_exit(powernowk8_exit); - diff --git a/arch/i386/kernel/cpu/cpufreq/powernow-k8.h b/arch/i386/kernel/cpu/cpufreq/powernow-k8.h index b1e85bb..d0de37d 100644 --- a/arch/i386/kernel/cpu/cpufreq/powernow-k8.h +++ b/arch/i386/kernel/cpu/cpufreq/powernow-k8.h @@ -42,7 +42,7 @@ struct powernow_k8_data { #define CPUID_XFAM 0x0ff00000 /* extended family */ #define CPUID_XFAM_K8 0 #define CPUID_XMOD 0x000f0000 /* extended model */ -#define CPUID_XMOD_REV_F 0x00040000 +#define CPUID_XMOD_REV_G 0x00060000 #define CPUID_USE_XFAM_XMOD 0x00000f00 #define CPUID_GET_MAX_CAPABILITIES 0x80000000 #define CPUID_FREQ_VOLT_CAPABILITIES 0x80000007 @@ -86,13 +86,14 @@ struct powernow_k8_data { * low fid table * - lowest entry in the high fid table must be a <= 200MHz + 2 * the entry * in the low fid table - * - the parts can only step at 200 MHz intervals, so 1.9 GHz is never valid + * - the parts can only step at <= 200 MHz intervals, odd fid values are + * supported in revision G and later revisions. * - lowest frequency must be >= interprocessor hypertransport link speed * (only applies to MP systems obviously) */ /* fids (frequency identifiers) are arranged in 2 tables - lo and hi */ -#define LO_FID_TABLE_TOP 6 /* fid values marking the boundary */ +#define LO_FID_TABLE_TOP 7 /* fid values marking the boundary */ #define HI_FID_TABLE_BOTTOM 8 /* between the low and high tables */ #define LO_VCOFREQ_TABLE_TOP 1400 /* corresponding vco frequency values */ @@ -106,7 +107,7 @@ struct powernow_k8_data { #define MIN_FREQ 800 /* Min and max freqs, per spec */ #define MAX_FREQ 5000 -#define INVALID_FID_MASK 0xffffffc1 /* not a valid fid if these bits are set */ +#define INVALID_FID_MASK 0xffffffc0 /* not a valid fid if these bits are set */ #define INVALID_VID_MASK 0xffffffc0 /* not a valid vid if these bits are set */ #define VID_OFF 0x3f diff --git a/arch/i386/kernel/cpu/cpufreq/speedstep-ich.c b/arch/i386/kernel/cpu/cpufreq/speedstep-ich.c index 5b7d18a..b425cd3d1 100644 --- a/arch/i386/kernel/cpu/cpufreq/speedstep-ich.c +++ b/arch/i386/kernel/cpu/cpufreq/speedstep-ich.c @@ -40,6 +40,7 @@ static struct pci_dev *speedstep_chipset_dev; */ static unsigned int speedstep_processor = 0; +static u32 pmbase; /* * There are only two frequency states for each processor. Values @@ -56,34 +57,47 @@ static struct cpufreq_frequency_table speedstep_freqs[] = { /** - * speedstep_set_state - set the SpeedStep state - * @state: new processor frequency state (SPEEDSTEP_LOW or SPEEDSTEP_HIGH) + * speedstep_find_register - read the PMBASE address * - * Tries to change the SpeedStep state. + * Returns: -ENODEV if no register could be found */ -static void speedstep_set_state (unsigned int state) +static int speedstep_find_register (void) { - u32 pmbase; - u8 pm2_blk; - u8 value; - unsigned long flags; - - if (!speedstep_chipset_dev || (state > 0x1)) - return; + if (!speedstep_chipset_dev) + return -ENODEV; /* get PMBASE */ pci_read_config_dword(speedstep_chipset_dev, 0x40, &pmbase); if (!(pmbase & 0x01)) { printk(KERN_ERR "speedstep-ich: could not find speedstep register\n"); - return; + return -ENODEV; } pmbase &= 0xFFFFFFFE; if (!pmbase) { printk(KERN_ERR "speedstep-ich: could not find speedstep register\n"); - return; + return -ENODEV; } + dprintk("pmbase is 0x%x\n", pmbase); + return 0; +} + +/** + * speedstep_set_state - set the SpeedStep state + * @state: new processor frequency state (SPEEDSTEP_LOW or SPEEDSTEP_HIGH) + * + * Tries to change the SpeedStep state. + */ +static void speedstep_set_state (unsigned int state) +{ + u8 pm2_blk; + u8 value; + unsigned long flags; + + if (state > 0x1) + return; + /* Disable IRQs */ local_irq_save(flags); @@ -315,10 +329,11 @@ static int speedstep_cpu_init(struct cpufreq_policy *policy) cpus_allowed = current->cpus_allowed; set_cpus_allowed(current, policy->cpus); - /* detect low and high frequency */ + /* detect low and high frequency and transition latency */ result = speedstep_get_freqs(speedstep_processor, &speedstep_freqs[SPEEDSTEP_LOW].frequency, &speedstep_freqs[SPEEDSTEP_HIGH].frequency, + &policy->cpuinfo.transition_latency, &speedstep_set_state); set_cpus_allowed(current, cpus_allowed); if (result) @@ -335,7 +350,6 @@ static int speedstep_cpu_init(struct cpufreq_policy *policy) /* cpuinfo and default policy values */ policy->governor = CPUFREQ_DEFAULT_GOVERNOR; - policy->cpuinfo.transition_latency = CPUFREQ_ETERNAL; policy->cur = speed; result = cpufreq_frequency_table_cpuinfo(policy, speedstep_freqs); @@ -400,6 +414,9 @@ static int __init speedstep_init(void) return -EINVAL; } + if (speedstep_find_register()) + return -ENODEV; + return cpufreq_register_driver(&speedstep_driver); } diff --git a/arch/i386/kernel/cpu/cpufreq/speedstep-lib.c b/arch/i386/kernel/cpu/cpufreq/speedstep-lib.c index d368b3f..7c47005 100644 --- a/arch/i386/kernel/cpu/cpufreq/speedstep-lib.c +++ b/arch/i386/kernel/cpu/cpufreq/speedstep-lib.c @@ -320,11 +320,13 @@ EXPORT_SYMBOL_GPL(speedstep_detect_processor); unsigned int speedstep_get_freqs(unsigned int processor, unsigned int *low_speed, unsigned int *high_speed, + unsigned int *transition_latency, void (*set_state) (unsigned int state)) { unsigned int prev_speed; unsigned int ret = 0; unsigned long flags; + struct timeval tv1, tv2; if ((!processor) || (!low_speed) || (!high_speed) || (!set_state)) return -EINVAL; @@ -337,7 +339,7 @@ unsigned int speedstep_get_freqs(unsigned int processor, return -EIO; dprintk("previous speed is %u\n", prev_speed); - + local_irq_save(flags); /* switch to low state */ @@ -350,8 +352,17 @@ unsigned int speedstep_get_freqs(unsigned int processor, dprintk("low speed is %u\n", *low_speed); + /* start latency measurement */ + if (transition_latency) + do_gettimeofday(&tv1); + /* switch to high state */ set_state(SPEEDSTEP_HIGH); + + /* end latency measurement */ + if (transition_latency) + do_gettimeofday(&tv2); + *high_speed = speedstep_get_processor_frequency(processor); if (!*high_speed) { ret = -EIO; @@ -369,6 +380,25 @@ unsigned int speedstep_get_freqs(unsigned int processor, if (*high_speed != prev_speed) set_state(SPEEDSTEP_LOW); + if (transition_latency) { + *transition_latency = (tv2.tv_sec - tv1.tv_sec) * USEC_PER_SEC + + tv2.tv_usec - tv1.tv_usec; + dprintk("transition latency is %u uSec\n", *transition_latency); + + /* convert uSec to nSec and add 20% for safety reasons */ + *transition_latency *= 1200; + + /* check if the latency measurement is too high or too low + * and set it to a safe value (500uSec) in that case + */ + if (*transition_latency > 10000000 || *transition_latency < 50000) { + printk (KERN_WARNING "speedstep: frequency transition measured seems out of " + "range (%u nSec), falling back to a safe one of %u nSec.\n", + *transition_latency, 500000); + *transition_latency = 500000; + } + } + out: local_irq_restore(flags); return (ret); diff --git a/arch/i386/kernel/cpu/cpufreq/speedstep-lib.h b/arch/i386/kernel/cpu/cpufreq/speedstep-lib.h index 261a2c9..6a727fd 100644 --- a/arch/i386/kernel/cpu/cpufreq/speedstep-lib.h +++ b/arch/i386/kernel/cpu/cpufreq/speedstep-lib.h @@ -44,4 +44,5 @@ extern unsigned int speedstep_get_processor_frequency(unsigned int processor); extern unsigned int speedstep_get_freqs(unsigned int processor, unsigned int *low_speed, unsigned int *high_speed, + unsigned int *transition_latency, void (*set_state) (unsigned int state)); diff --git a/arch/i386/kernel/cpu/cpufreq/speedstep-smi.c b/arch/i386/kernel/cpu/cpufreq/speedstep-smi.c index 2718fb6..28cc5d5 100644 --- a/arch/i386/kernel/cpu/cpufreq/speedstep-smi.c +++ b/arch/i386/kernel/cpu/cpufreq/speedstep-smi.c @@ -269,6 +269,7 @@ static int speedstep_cpu_init(struct cpufreq_policy *policy) result = speedstep_get_freqs(speedstep_processor, &speedstep_freqs[SPEEDSTEP_LOW].frequency, &speedstep_freqs[SPEEDSTEP_HIGH].frequency, + NULL, &speedstep_set_state); if (result) { diff --git a/arch/i386/kernel/cpu/cyrix.c b/arch/i386/kernel/cpu/cyrix.c index ff87cc2..7501597 100644 --- a/arch/i386/kernel/cpu/cyrix.c +++ b/arch/i386/kernel/cpu/cyrix.c @@ -343,6 +343,31 @@ static void __init init_cyrix(struct cpuinfo_x86 *c) } /* + * Handle National Semiconductor branded processors + */ +static void __devinit init_nsc(struct cpuinfo_x86 *c) +{ + /* There may be GX1 processors in the wild that are branded + * NSC and not Cyrix. + * + * This function only handles the GX processor, and kicks every + * thing else to the Cyrix init function above - that should + * cover any processors that might have been branded differently + * after NSC aquired Cyrix. + * + * If this breaks your GX1 horribly, please e-mail + * info-linux@ldcmail.amd.com to tell us. + */ + + /* Handle the GX (Formally known as the GX2) */ + + if (c->x86 == 5 && c->x86_model == 5) + display_cacheinfo(c); + else + init_cyrix(c); +} + +/* * Cyrix CPUs without cpuid or with cpuid not yet enabled can be detected * by the fact that they preserve the flags across the division of 5/2. * PII and PPro exhibit this behavior too, but they have cpuid available. @@ -422,7 +447,7 @@ int __init cyrix_init_cpu(void) static struct cpu_dev nsc_cpu_dev __initdata = { .c_vendor = "NSC", .c_ident = { "Geode by NSC" }, - .c_init = init_cyrix, + .c_init = init_nsc, .c_identify = generic_identify, }; diff --git a/arch/i386/kernel/cpu/proc.c b/arch/i386/kernel/cpu/proc.c index e792131..6d91b27 100644 --- a/arch/i386/kernel/cpu/proc.c +++ b/arch/i386/kernel/cpu/proc.c @@ -3,6 +3,7 @@ #include <linux/string.h> #include <asm/semaphore.h> #include <linux/seq_file.h> +#include <linux/cpufreq.h> /* * Get CPU information for use by the procfs. @@ -86,8 +87,11 @@ static int show_cpuinfo(struct seq_file *m, void *v) seq_printf(m, "stepping\t: unknown\n"); if ( cpu_has(c, X86_FEATURE_TSC) ) { + unsigned int freq = cpufreq_quick_get(n); + if (!freq) + freq = cpu_khz; seq_printf(m, "cpu MHz\t\t: %u.%03u\n", - cpu_khz / 1000, (cpu_khz % 1000)); + freq / 1000, (freq % 1000)); } /* Cache size */ diff --git a/arch/i386/kernel/cpuid.c b/arch/i386/kernel/cpuid.c index 13bae79..006141d 100644 --- a/arch/i386/kernel/cpuid.c +++ b/arch/i386/kernel/cpuid.c @@ -117,14 +117,13 @@ static ssize_t cpuid_read(struct file *file, char __user *buf, { char __user *tmp = buf; u32 data[4]; - size_t rv; u32 reg = *ppos; int cpu = iminor(file->f_dentry->d_inode); if (count % 16) return -EINVAL; /* Invalid chunk size */ - for (rv = 0; count; count -= 16) { + for (; count; count -= 16) { do_cpuid(cpu, reg, data); if (copy_to_user(tmp, &data, 16)) return -EFAULT; diff --git a/arch/i386/kernel/entry.S b/arch/i386/kernel/entry.S index e50b9315..607c060 100644 --- a/arch/i386/kernel/entry.S +++ b/arch/i386/kernel/entry.S @@ -657,6 +657,7 @@ ENTRY(spurious_interrupt_bug) pushl $do_spurious_interrupt_bug jmp error_code +.section .rodata,"a" #include "syscall_table.S" syscall_table_size=(.-sys_call_table) diff --git a/arch/i386/kernel/head.S b/arch/i386/kernel/head.S index e437fb3..5884469 100644 --- a/arch/i386/kernel/head.S +++ b/arch/i386/kernel/head.S @@ -504,19 +504,24 @@ ENTRY(cpu_gdt_table) .quad 0x0000000000000000 /* 0x80 TSS descriptor */ .quad 0x0000000000000000 /* 0x88 LDT descriptor */ - /* Segments used for calling PnP BIOS */ - .quad 0x00c09a0000000000 /* 0x90 32-bit code */ - .quad 0x00809a0000000000 /* 0x98 16-bit code */ - .quad 0x0080920000000000 /* 0xa0 16-bit data */ - .quad 0x0080920000000000 /* 0xa8 16-bit data */ - .quad 0x0080920000000000 /* 0xb0 16-bit data */ + /* + * Segments used for calling PnP BIOS have byte granularity. + * They code segments and data segments have fixed 64k limits, + * the transfer segment sizes are set at run time. + */ + .quad 0x00409a000000ffff /* 0x90 32-bit code */ + .quad 0x00009a000000ffff /* 0x98 16-bit code */ + .quad 0x000092000000ffff /* 0xa0 16-bit data */ + .quad 0x0000920000000000 /* 0xa8 16-bit data */ + .quad 0x0000920000000000 /* 0xb0 16-bit data */ + /* * The APM segments have byte granularity and their bases - * and limits are set at run time. + * are set at run time. All have 64k limits. */ - .quad 0x00409a0000000000 /* 0xb8 APM CS code */ - .quad 0x00009a0000000000 /* 0xc0 APM CS 16 code (16 bit) */ - .quad 0x0040920000000000 /* 0xc8 APM DS data */ + .quad 0x00409a000000ffff /* 0xb8 APM CS code */ + .quad 0x00009a000000ffff /* 0xc0 APM CS 16 code (16 bit) */ + .quad 0x004092000000ffff /* 0xc8 APM DS data */ .quad 0x0000920000000000 /* 0xd0 - ESPFIX 16-bit SS */ .quad 0x0000000000000000 /* 0xd8 - unused */ @@ -525,3 +530,5 @@ ENTRY(cpu_gdt_table) .quad 0x0000000000000000 /* 0xf0 - unused */ .quad 0x0000000000000000 /* 0xf8 - GDT entry 31: double-fault TSS */ + /* Be sure this is zeroed to avoid false validations in Xen */ + .fill PAGE_SIZE_asm / 8 - GDT_ENTRIES,8,0 diff --git a/arch/i386/kernel/i386_ksyms.c b/arch/i386/kernel/i386_ksyms.c index 180f070..3999bec 100644 --- a/arch/i386/kernel/i386_ksyms.c +++ b/arch/i386/kernel/i386_ksyms.c @@ -3,8 +3,7 @@ #include <asm/checksum.h> #include <asm/desc.h> -/* This is definitely a GPL-only symbol */ -EXPORT_SYMBOL_GPL(cpu_gdt_table); +EXPORT_SYMBOL_GPL(cpu_gdt_descr); EXPORT_SYMBOL(__down_failed); EXPORT_SYMBOL(__down_failed_interruptible); diff --git a/arch/i386/kernel/io_apic.c b/arch/i386/kernel/io_apic.c index 22c8675..7554f8f 100644 --- a/arch/i386/kernel/io_apic.c +++ b/arch/i386/kernel/io_apic.c @@ -1722,8 +1722,8 @@ void disable_IO_APIC(void) entry.dest_mode = 0; /* Physical */ entry.delivery_mode = dest_ExtINT; /* ExtInt */ entry.vector = 0; - entry.dest.physical.physical_dest = 0; - + entry.dest.physical.physical_dest = + GET_APIC_ID(apic_read(APIC_ID)); /* * Add it to the IO-APIC irq-routing table: diff --git a/arch/i386/kernel/kprobes.c b/arch/i386/kernel/kprobes.c index 32b0c24..19edcd5 100644 --- a/arch/i386/kernel/kprobes.c +++ b/arch/i386/kernel/kprobes.c @@ -191,7 +191,7 @@ static int __kprobes kprobe_handler(struct pt_regs *regs) */ save_previous_kprobe(kcb); set_current_kprobe(p, regs, kcb); - p->nmissed++; + kprobes_inc_nmissed_count(p); prepare_singlestep(p, regs); kcb->kprobe_status = KPROBE_REENTER; return 1; diff --git a/arch/i386/kernel/mpparse.c b/arch/i386/kernel/mpparse.c index d7cede8..0102f3d 100644 --- a/arch/i386/kernel/mpparse.c +++ b/arch/i386/kernel/mpparse.c @@ -38,6 +38,12 @@ int smp_found_config; unsigned int __initdata maxcpus = NR_CPUS; +#ifdef CONFIG_HOTPLUG_CPU +#define CPU_HOTPLUG_ENABLED (1) +#else +#define CPU_HOTPLUG_ENABLED (0) +#endif + /* * Various Linux-internal data structures created from the * MP-table. @@ -219,14 +225,18 @@ static void __devinit MP_processor_info (struct mpc_config_processor *m) cpu_set(num_processors, cpu_possible_map); num_processors++; - if ((num_processors > 8) && - ((APIC_XAPIC(ver) && - (boot_cpu_data.x86_vendor == X86_VENDOR_INTEL)) || - (boot_cpu_data.x86_vendor == X86_VENDOR_AMD))) - def_to_bigsmp = 1; - else - def_to_bigsmp = 0; - + if (CPU_HOTPLUG_ENABLED || (num_processors > 8)) { + switch (boot_cpu_data.x86_vendor) { + case X86_VENDOR_INTEL: + if (!APIC_XAPIC(ver)) { + def_to_bigsmp = 0; + break; + } + /* If P4 and above fall through */ + case X86_VENDOR_AMD: + def_to_bigsmp = 1; + } + } bios_cpu_apicid[num_processors - 1] = m->mpc_apicid; } diff --git a/arch/i386/kernel/msr.c b/arch/i386/kernel/msr.c index 44470fe..1d0a55e 100644 --- a/arch/i386/kernel/msr.c +++ b/arch/i386/kernel/msr.c @@ -172,7 +172,6 @@ static ssize_t msr_read(struct file *file, char __user * buf, { u32 __user *tmp = (u32 __user *) buf; u32 data[2]; - size_t rv; u32 reg = *ppos; int cpu = iminor(file->f_dentry->d_inode); int err; @@ -180,7 +179,7 @@ static ssize_t msr_read(struct file *file, char __user * buf, if (count % 8) return -EINVAL; /* Invalid chunk size */ - for (rv = 0; count; count -= 8) { + for (; count; count -= 8) { err = do_rdmsr(cpu, reg, &data[0], &data[1]); if (err) return err; diff --git a/arch/i386/kernel/process.c b/arch/i386/kernel/process.c index df6c2bc..45e7f0a 100644 --- a/arch/i386/kernel/process.c +++ b/arch/i386/kernel/process.c @@ -308,9 +308,7 @@ void show_regs(struct pt_regs * regs) cr0 = read_cr0(); cr2 = read_cr2(); cr3 = read_cr3(); - if (current_cpu_data.x86 > 4) { - cr4 = read_cr4(); - } + cr4 = read_cr4_safe(); printk("CR0: %08lx CR2: %08lx CR3: %08lx CR4: %08lx\n", cr0, cr2, cr3, cr4); show_trace(NULL, ®s->esp); } @@ -404,17 +402,7 @@ void flush_thread(void) void release_thread(struct task_struct *dead_task) { - if (dead_task->mm) { - // temporary debugging check - if (dead_task->mm->context.size) { - printk("WARNING: dead process %8s still has LDT? <%p/%d>\n", - dead_task->comm, - dead_task->mm->context.ldt, - dead_task->mm->context.size); - BUG(); - } - } - + BUG_ON(dead_task->mm); release_vm86_irqs(dead_task); } @@ -554,7 +542,9 @@ int dump_task_regs(struct task_struct *tsk, elf_gregset_t *regs) struct pt_regs ptregs; ptregs = *(struct pt_regs *) - ((unsigned long)tsk->thread_info+THREAD_SIZE - sizeof(ptregs)); + ((unsigned long)tsk->thread_info + + /* see comments in copy_thread() about -8 */ + THREAD_SIZE - sizeof(ptregs) - 8); ptregs.xcs &= 0xffff; ptregs.xds &= 0xffff; ptregs.xes &= 0xffff; diff --git a/arch/i386/kernel/ptrace.c b/arch/i386/kernel/ptrace.c index 5ffbb4b..5c1fb6a 100644 --- a/arch/i386/kernel/ptrace.c +++ b/arch/i386/kernel/ptrace.c @@ -32,9 +32,12 @@ * in exit.c or in signal.c. */ -/* determines which flags the user has access to. */ -/* 1 = access 0 = no access */ -#define FLAG_MASK 0x00044dd5 +/* + * Determines which flags the user has access to [1 = access, 0 = no access]. + * Prohibits changing ID(21), VIP(20), VIF(19), VM(17), IOPL(12-13), IF(9). + * Also masks reserved bits (31-22, 15, 5, 3, 1). + */ +#define FLAG_MASK 0x00054dd5 /* set's the trap flag. */ #define TRAP_FLAG 0x100 diff --git a/arch/i386/kernel/reboot.c b/arch/i386/kernel/reboot.c index 2afe0f8..2fa5803 100644 --- a/arch/i386/kernel/reboot.c +++ b/arch/i386/kernel/reboot.c @@ -111,12 +111,12 @@ static struct dmi_system_id __initdata reboot_dmi_table[] = { DMI_MATCH(DMI_PRODUCT_NAME, "PowerEdge 2400"), }, }, - { /* Handle problems with rebooting on HP nc6120 */ + { /* Handle problems with rebooting on HP laptops */ .callback = set_bios_reboot, - .ident = "HP Compaq nc6120", + .ident = "HP Compaq Laptop", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), - DMI_MATCH(DMI_PRODUCT_NAME, "HP Compaq nc6120"), + DMI_MATCH(DMI_PRODUCT_NAME, "HP Compaq"), }, }, { } diff --git a/arch/i386/kernel/setup.c b/arch/i386/kernel/setup.c index fdfcb0c..27c956d 100644 --- a/arch/i386/kernel/setup.c +++ b/arch/i386/kernel/setup.c @@ -954,6 +954,12 @@ efi_find_max_pfn(unsigned long start, unsigned long end, void *arg) return 0; } +static int __init +efi_memory_present_wrapper(unsigned long start, unsigned long end, void *arg) +{ + memory_present(0, start, end); + return 0; +} /* * Find the highest page frame number we have available @@ -965,6 +971,7 @@ void __init find_max_pfn(void) max_pfn = 0; if (efi_enabled) { efi_memmap_walk(efi_find_max_pfn, &max_pfn); + efi_memmap_walk(efi_memory_present_wrapper, NULL); return; } @@ -979,6 +986,7 @@ void __init find_max_pfn(void) continue; if (end > max_pfn) max_pfn = end; + memory_present(0, start, end); } } diff --git a/arch/i386/kernel/smpboot.c b/arch/i386/kernel/smpboot.c index d16520d..b3c2e2c 100644 --- a/arch/i386/kernel/smpboot.c +++ b/arch/i386/kernel/smpboot.c @@ -903,6 +903,12 @@ static int __devinit do_boot_cpu(int apicid, int cpu) unsigned long start_eip; unsigned short nmi_high = 0, nmi_low = 0; + if (!cpu_gdt_descr[cpu].address && + !(cpu_gdt_descr[cpu].address = get_zeroed_page(GFP_KERNEL))) { + printk("Failed to allocate GDT for CPU %d\n", cpu); + return 1; + } + ++cpucount; /* @@ -1338,8 +1344,7 @@ int __cpu_disable(void) if (cpu == 0) return -EBUSY; - /* We enable the timer again on the exit path of the death loop */ - disable_APIC_timer(); + clear_local_APIC(); /* Allow any queued timer interrupts to get serviced */ local_irq_enable(); mdelay(1); diff --git a/arch/i386/kernel/syscall_table.S b/arch/i386/kernel/syscall_table.S index 9b21a31..f7ba4ac 100644 --- a/arch/i386/kernel/syscall_table.S +++ b/arch/i386/kernel/syscall_table.S @@ -1,4 +1,3 @@ -.data ENTRY(sys_call_table) .long sys_restart_syscall /* 0 - old "setup()" system call, used for restarting */ .long sys_exit diff --git a/arch/i386/kernel/timers/timer_tsc.c b/arch/i386/kernel/timers/timer_tsc.c index d395e3b..47675bb 100644 --- a/arch/i386/kernel/timers/timer_tsc.c +++ b/arch/i386/kernel/timers/timer_tsc.c @@ -330,7 +330,9 @@ int recalibrate_cpu_khz(void) unsigned int cpu_khz_old = cpu_khz; if (cpu_has_tsc) { + local_irq_disable(); init_cpu_khz(); + local_irq_enable(); cpu_data[0].loops_per_jiffy = cpufreq_scale(cpu_data[0].loops_per_jiffy, cpu_khz_old, diff --git a/arch/i386/kernel/traps.c b/arch/i386/kernel/traps.c index c34d1bf..53ad954e 100644 --- a/arch/i386/kernel/traps.c +++ b/arch/i386/kernel/traps.c @@ -306,14 +306,17 @@ void die(const char * str, struct pt_regs * regs, long err) .lock_owner_depth = 0 }; static int die_counter; + unsigned long flags; if (die.lock_owner != raw_smp_processor_id()) { console_verbose(); - spin_lock_irq(&die.lock); + spin_lock_irqsave(&die.lock, flags); die.lock_owner = smp_processor_id(); die.lock_owner_depth = 0; bust_spinlocks(1); } + else + local_save_flags(flags); if (++die.lock_owner_depth < 3) { int nl = 0; @@ -340,7 +343,7 @@ void die(const char * str, struct pt_regs * regs, long err) bust_spinlocks(0); die.lock_owner = -1; - spin_unlock_irq(&die.lock); + spin_unlock_irqrestore(&die.lock, flags); if (kexec_should_crash(current)) crash_kexec(regs); @@ -452,7 +455,7 @@ DO_VM86_ERROR( 3, SIGTRAP, "int3", int3) #endif DO_VM86_ERROR( 4, SIGSEGV, "overflow", overflow) DO_VM86_ERROR( 5, SIGSEGV, "bounds", bounds) -DO_ERROR_INFO( 6, SIGILL, "invalid operand", invalid_op, ILL_ILLOPN, regs->eip) +DO_ERROR_INFO( 6, SIGILL, "invalid opcode", invalid_op, ILL_ILLOPN, regs->eip) DO_ERROR( 9, SIGFPE, "coprocessor segment overrun", coprocessor_segment_overrun) DO_ERROR(10, SIGSEGV, "invalid TSS", invalid_TSS) DO_ERROR(11, SIGBUS, "segment not present", segment_not_present) @@ -650,13 +653,6 @@ fastcall void do_nmi(struct pt_regs * regs, long error_code) cpu = smp_processor_id(); -#ifdef CONFIG_HOTPLUG_CPU - if (!cpu_online(cpu)) { - nmi_exit(); - return; - } -#endif - ++nmi_count(cpu); if (!rcu_dereference(nmi_callback)(regs, cpu)) @@ -1082,9 +1078,9 @@ void __init trap_init(void) set_trap_gate(0,÷_error); set_intr_gate(1,&debug); set_intr_gate(2,&nmi); - set_system_intr_gate(3, &int3); /* int3-5 can be called from all */ + set_system_intr_gate(3, &int3); /* int3/4 can be called from all */ set_system_gate(4,&overflow); - set_system_gate(5,&bounds); + set_trap_gate(5,&bounds); set_trap_gate(6,&invalid_op); set_trap_gate(7,&device_not_available); set_task_gate(8,GDT_ENTRY_DOUBLEFAULT_TSS); @@ -1102,6 +1098,28 @@ void __init trap_init(void) #endif set_trap_gate(19,&simd_coprocessor_error); + if (cpu_has_fxsr) { + /* + * Verify that the FXSAVE/FXRSTOR data will be 16-byte aligned. + * Generates a compile-time "error: zero width for bit-field" if + * the alignment is wrong. + */ + struct fxsrAlignAssert { + int _:!(offsetof(struct task_struct, + thread.i387.fxsave) & 15); + }; + + printk(KERN_INFO "Enabling fast FPU save and restore... "); + set_in_cr4(X86_CR4_OSFXSR); + printk("done.\n"); + } + if (cpu_has_xmm) { + printk(KERN_INFO "Enabling unmasked SIMD FPU exception " + "support... "); + set_in_cr4(X86_CR4_OSXMMEXCPT); + printk("done.\n"); + } + set_system_gate(SYSCALL_VECTOR,&system_call); /* diff --git a/arch/i386/mm/init.c b/arch/i386/mm/init.c index 06e26f0..7df494b 100644 --- a/arch/i386/mm/init.c +++ b/arch/i386/mm/init.c @@ -735,6 +735,30 @@ void free_initmem(void) printk (KERN_INFO "Freeing unused kernel memory: %dk freed\n", (__init_end - __init_begin) >> 10); } +#ifdef CONFIG_DEBUG_RODATA + +extern char __start_rodata, __end_rodata; +void mark_rodata_ro(void) +{ + unsigned long addr = (unsigned long)&__start_rodata; + + for (; addr < (unsigned long)&__end_rodata; addr += PAGE_SIZE) + change_page_attr(virt_to_page(addr), 1, PAGE_KERNEL_RO); + + printk ("Write protecting the kernel read-only data: %luk\n", + (unsigned long)(&__end_rodata - &__start_rodata) >> 10); + + /* + * change_page_attr() requires a global_flush_tlb() call after it. + * We do this after the printk so that if something went wrong in the + * change, the printk gets out at least to give a better debug hint + * of who is the culprit. + */ + global_flush_tlb(); +} +#endif + + #ifdef CONFIG_BLK_DEV_INITRD void free_initrd_mem(unsigned long start, unsigned long end) { diff --git a/arch/i386/mm/ioremap.c b/arch/i386/mm/ioremap.c index 5d09de8..247fde7 100644 --- a/arch/i386/mm/ioremap.c +++ b/arch/i386/mm/ioremap.c @@ -223,9 +223,15 @@ void __iomem *ioremap_nocache (unsigned long phys_addr, unsigned long size) } EXPORT_SYMBOL(ioremap_nocache); +/** + * iounmap - Free a IO remapping + * @addr: virtual address from ioremap_* + * + * Caller must ensure there is only one unmapping for the same pointer. + */ void iounmap(volatile void __iomem *addr) { - struct vm_struct *p; + struct vm_struct *p, *o; if ((void __force *)addr <= high_memory) return; @@ -239,22 +245,37 @@ void iounmap(volatile void __iomem *addr) addr < phys_to_virt(ISA_END_ADDRESS)) return; - write_lock(&vmlist_lock); - p = __remove_vm_area((void *)(PAGE_MASK & (unsigned long __force)addr)); - if (!p) { - printk(KERN_WARNING "iounmap: bad address %p\n", addr); + addr = (volatile void __iomem *)(PAGE_MASK & (unsigned long __force)addr); + + /* Use the vm area unlocked, assuming the caller + ensures there isn't another iounmap for the same address + in parallel. Reuse of the virtual address is prevented by + leaving it in the global lists until we're done with it. + cpa takes care of the direct mappings. */ + read_lock(&vmlist_lock); + for (p = vmlist; p; p = p->next) { + if (p->addr == addr) + break; + } + read_unlock(&vmlist_lock); + + if (!p) { + printk("iounmap: bad address %p\n", addr); dump_stack(); - goto out_unlock; + return; } + /* Reset the direct mapping. Can block */ if ((p->flags >> 20) && p->phys_addr < virt_to_phys(high_memory) - 1) { change_page_attr(virt_to_page(__va(p->phys_addr)), p->size >> PAGE_SHIFT, PAGE_KERNEL); global_flush_tlb(); } -out_unlock: - write_unlock(&vmlist_lock); + + /* Finally remove it */ + o = remove_vm_area((void *)addr); + BUG_ON(p != o || o == NULL); kfree(p); } EXPORT_SYMBOL(iounmap); diff --git a/arch/i386/mm/pageattr.c b/arch/i386/mm/pageattr.c index f600fc2..c30a16d 100644 --- a/arch/i386/mm/pageattr.c +++ b/arch/i386/mm/pageattr.c @@ -13,6 +13,7 @@ #include <asm/processor.h> #include <asm/tlbflush.h> #include <asm/pgalloc.h> +#include <asm/sections.h> static DEFINE_SPINLOCK(cpa_lock); static struct list_head df_list = LIST_HEAD_INIT(df_list); @@ -36,7 +37,8 @@ pte_t *lookup_address(unsigned long address) return pte_offset_kernel(pmd, address); } -static struct page *split_large_page(unsigned long address, pgprot_t prot) +static struct page *split_large_page(unsigned long address, pgprot_t prot, + pgprot_t ref_prot) { int i; unsigned long addr; @@ -54,7 +56,7 @@ static struct page *split_large_page(unsigned long address, pgprot_t prot) pbase = (pte_t *)page_address(base); for (i = 0; i < PTRS_PER_PTE; i++, addr += PAGE_SIZE) { set_pte(&pbase[i], pfn_pte(addr >> PAGE_SHIFT, - addr == address ? prot : PAGE_KERNEL)); + addr == address ? prot : ref_prot)); } return base; } @@ -98,11 +100,18 @@ static void set_pmd_pte(pte_t *kpte, unsigned long address, pte_t pte) */ static inline void revert_page(struct page *kpte_page, unsigned long address) { - pte_t *linear = (pte_t *) + pgprot_t ref_prot; + pte_t *linear; + + ref_prot = + ((address & LARGE_PAGE_MASK) < (unsigned long)&_etext) + ? PAGE_KERNEL_LARGE_EXEC : PAGE_KERNEL_LARGE; + + linear = (pte_t *) pmd_offset(pud_offset(pgd_offset_k(address), address), address); set_pmd_pte(linear, address, pfn_pte((__pa(address) & LARGE_PAGE_MASK) >> PAGE_SHIFT, - PAGE_KERNEL_LARGE)); + ref_prot)); } static int @@ -123,10 +132,16 @@ __change_page_attr(struct page *page, pgprot_t prot) if ((pte_val(*kpte) & _PAGE_PSE) == 0) { set_pte_atomic(kpte, mk_pte(page, prot)); } else { - struct page *split = split_large_page(address, prot); + pgprot_t ref_prot; + struct page *split; + + ref_prot = + ((address & LARGE_PAGE_MASK) < (unsigned long)&_etext) + ? PAGE_KERNEL_EXEC : PAGE_KERNEL; + split = split_large_page(address, prot, ref_prot); if (!split) return -ENOMEM; - set_pmd_pte(kpte,address,mk_pte(split, PAGE_KERNEL)); + set_pmd_pte(kpte,address,mk_pte(split, ref_prot)); kpte_page = split; } get_page(kpte_page); diff --git a/arch/i386/pci/Makefile b/arch/i386/pci/Makefile index ead6122..5461d4d 100644 --- a/arch/i386/pci/Makefile +++ b/arch/i386/pci/Makefile @@ -1,7 +1,7 @@ obj-y := i386.o obj-$(CONFIG_PCI_BIOS) += pcbios.o -obj-$(CONFIG_PCI_MMCONFIG) += mmconfig.o +obj-$(CONFIG_PCI_MMCONFIG) += mmconfig.o direct.o obj-$(CONFIG_PCI_DIRECT) += direct.o pci-y := fixup.o diff --git a/arch/i386/pci/direct.c b/arch/i386/pci/direct.c index 94331d6..e3ac502 100644 --- a/arch/i386/pci/direct.c +++ b/arch/i386/pci/direct.c @@ -13,7 +13,7 @@ #define PCI_CONF1_ADDRESS(bus, devfn, reg) \ (0x80000000 | (bus << 16) | (devfn << 8) | (reg & ~3)) -static int pci_conf1_read(unsigned int seg, unsigned int bus, +int pci_conf1_read(unsigned int seg, unsigned int bus, unsigned int devfn, int reg, int len, u32 *value) { unsigned long flags; @@ -42,7 +42,7 @@ static int pci_conf1_read(unsigned int seg, unsigned int bus, return 0; } -static int pci_conf1_write(unsigned int seg, unsigned int bus, +int pci_conf1_write(unsigned int seg, unsigned int bus, unsigned int devfn, int reg, int len, u32 value) { unsigned long flags; diff --git a/arch/i386/pci/irq.c b/arch/i386/pci/irq.c index 19e6f48..ee8e016 100644 --- a/arch/i386/pci/irq.c +++ b/arch/i386/pci/irq.c @@ -846,7 +846,7 @@ static int pcibios_lookup_irq(struct pci_dev *dev, int assign) * reported by the device if possible. */ newirq = dev->irq; - if (!((1 << newirq) & mask)) { + if (newirq && !((1 << newirq) & mask)) { if ( pci_probe & PCI_USE_PIRQ_MASK) newirq = 0; else printk(KERN_WARNING "PCI: IRQ %i for device %s doesn't match PIRQ mask - try pci=usepirqmask\n", newirq, pci_name(dev)); } diff --git a/arch/i386/pci/mmconfig.c b/arch/i386/pci/mmconfig.c index dfbf80c..4bb4d4b 100644 --- a/arch/i386/pci/mmconfig.c +++ b/arch/i386/pci/mmconfig.c @@ -19,21 +19,25 @@ /* The base address of the last MMCONFIG device accessed */ static u32 mmcfg_last_accessed_device; +static DECLARE_BITMAP(fallback_slots, 32); + /* * Functions for accessing PCI configuration space with MMCONFIG accesses */ -static u32 get_base_addr(unsigned int seg, int bus) +static u32 get_base_addr(unsigned int seg, int bus, unsigned devfn) { int cfg_num = -1; struct acpi_table_mcfg_config *cfg; + if (seg == 0 && bus == 0 && + test_bit(PCI_SLOT(devfn), fallback_slots)) + return 0; + while (1) { ++cfg_num; if (cfg_num >= pci_mmcfg_config_num) { - /* something bad is going on, no cfg table is found. */ - /* so we fall back to the old way we used to do this */ - /* and just rely on the first entry to be correct. */ - return pci_mmcfg_config[0].base_address; + /* Not found - fallback to type 1 */ + return 0; } cfg = &pci_mmcfg_config[cfg_num]; if (cfg->pci_segment_group_number != seg) @@ -44,9 +48,9 @@ static u32 get_base_addr(unsigned int seg, int bus) } } -static inline void pci_exp_set_dev_base(unsigned int seg, int bus, int devfn) +static inline void pci_exp_set_dev_base(unsigned int base, int bus, int devfn) { - u32 dev_base = get_base_addr(seg, bus) | (bus << 20) | (devfn << 12); + u32 dev_base = base | (bus << 20) | (devfn << 12); if (dev_base != mmcfg_last_accessed_device) { mmcfg_last_accessed_device = dev_base; set_fixmap_nocache(FIX_PCIE_MCFG, dev_base); @@ -57,13 +61,18 @@ static int pci_mmcfg_read(unsigned int seg, unsigned int bus, unsigned int devfn, int reg, int len, u32 *value) { unsigned long flags; + u32 base; if (!value || (bus > 255) || (devfn > 255) || (reg > 4095)) return -EINVAL; + base = get_base_addr(seg, bus, devfn); + if (!base) + return pci_conf1_read(seg,bus,devfn,reg,len,value); + spin_lock_irqsave(&pci_config_lock, flags); - pci_exp_set_dev_base(seg, bus, devfn); + pci_exp_set_dev_base(base, bus, devfn); switch (len) { case 1: @@ -86,13 +95,18 @@ static int pci_mmcfg_write(unsigned int seg, unsigned int bus, unsigned int devfn, int reg, int len, u32 value) { unsigned long flags; + u32 base; if ((bus > 255) || (devfn > 255) || (reg > 4095)) return -EINVAL; + base = get_base_addr(seg, bus, devfn); + if (!base) + return pci_conf1_write(seg,bus,devfn,reg,len,value); + spin_lock_irqsave(&pci_config_lock, flags); - pci_exp_set_dev_base(seg, bus, devfn); + pci_exp_set_dev_base(base, bus, devfn); switch (len) { case 1: @@ -116,6 +130,37 @@ static struct pci_raw_ops pci_mmcfg = { .write = pci_mmcfg_write, }; +/* K8 systems have some devices (typically in the builtin northbridge) + that are only accessible using type1 + Normally this can be expressed in the MCFG by not listing them + and assigning suitable _SEGs, but this isn't implemented in some BIOS. + Instead try to discover all devices on bus 0 that are unreachable using MM + and fallback for them. + We only do this for bus 0/seg 0 */ +static __init void unreachable_devices(void) +{ + int i; + unsigned long flags; + + for (i = 0; i < 32; i++) { + u32 val1; + u32 addr; + + pci_conf1_read(0, 0, PCI_DEVFN(i, 0), 0, 4, &val1); + if (val1 == 0xffffffff) + continue; + + /* Locking probably not needed, but safer */ + spin_lock_irqsave(&pci_config_lock, flags); + addr = get_base_addr(0, 0, PCI_DEVFN(i, 0)); + if (addr != 0) + pci_exp_set_dev_base(addr, 0, PCI_DEVFN(i, 0)); + if (addr == 0 || readl((u32 __iomem *)mmcfg_virt_addr) != val1) + set_bit(i, fallback_slots); + spin_unlock_irqrestore(&pci_config_lock, flags); + } +} + static int __init pci_mmcfg_init(void) { if ((pci_probe & PCI_PROBE_MMCONF) == 0) @@ -131,6 +176,8 @@ static int __init pci_mmcfg_init(void) raw_pci_ops = &pci_mmcfg; pci_probe = (pci_probe & ~PCI_PROBE_MASK) | PCI_PROBE_MMCONF; + unreachable_devices(); + out: return 0; } diff --git a/arch/i386/pci/pci.h b/arch/i386/pci/pci.h index 127d53a..f550781 100644 --- a/arch/i386/pci/pci.h +++ b/arch/i386/pci/pci.h @@ -74,3 +74,10 @@ extern spinlock_t pci_config_lock; extern int (*pcibios_enable_irq)(struct pci_dev *dev); extern void (*pcibios_disable_irq)(struct pci_dev *dev); + +extern int pci_conf1_write(unsigned int seg, unsigned int bus, + unsigned int devfn, int reg, int len, u32 value); +extern int pci_conf1_read(unsigned int seg, unsigned int bus, + unsigned int devfn, int reg, int len, u32 *value); + + diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig index b76ce1f..199eeaf 100644 --- a/arch/ia64/Kconfig +++ b/arch/ia64/Kconfig @@ -58,7 +58,7 @@ config IA64_UNCACHED_ALLOCATOR bool select GENERIC_ALLOCATOR -config ZONE_DMA_IS_DMA32 +config DMA_IS_DMA32 bool default y diff --git a/arch/ia64/configs/sn2_defconfig b/arch/ia64/configs/sn2_defconfig index 87cfd31..ff8bb37 100644 --- a/arch/ia64/configs/sn2_defconfig +++ b/arch/ia64/configs/sn2_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.13-rc6 -# Tue Aug 16 14:40:41 2005 +# Linux kernel version: 2.6.15-rc4 +# Fri Dec 2 10:33:48 2005 # # @@ -16,6 +16,7 @@ CONFIG_INIT_ENV_ARG_LIMIT=32 # General setup # CONFIG_LOCALVERSION="" +# CONFIG_LOCALVERSION_AUTO is not set CONFIG_SWAP=y CONFIG_SYSVIPC=y CONFIG_POSIX_MQUEUE=y @@ -26,6 +27,7 @@ CONFIG_HOTPLUG=y CONFIG_KOBJECT_UEVENT=y # CONFIG_IKCONFIG is not set CONFIG_CPUSETS=y +CONFIG_INITRAMFS_SOURCE="" # CONFIG_EMBEDDED is not set CONFIG_KALLSYMS=y CONFIG_KALLSYMS_ALL=y @@ -56,11 +58,29 @@ CONFIG_KMOD=y CONFIG_STOP_MACHINE=y # +# Block layer +# + +# +# IO Schedulers +# +CONFIG_IOSCHED_NOOP=y +CONFIG_IOSCHED_AS=y +CONFIG_IOSCHED_DEADLINE=y +CONFIG_IOSCHED_CFQ=y +CONFIG_DEFAULT_AS=y +# CONFIG_DEFAULT_DEADLINE is not set +# CONFIG_DEFAULT_CFQ is not set +# CONFIG_DEFAULT_NOOP is not set +CONFIG_DEFAULT_IOSCHED="anticipatory" + +# # Processor type and features # CONFIG_IA64=y CONFIG_64BIT=y CONFIG_MMU=y +CONFIG_SWIOTLB=y CONFIG_RWSEM_XCHGADD_ALGORITHM=y CONFIG_GENERIC_CALIBRATE_DELAY=y CONFIG_TIME_INTERPOLATION=y @@ -68,6 +88,7 @@ CONFIG_EFI=y CONFIG_GENERIC_IOMAP=y CONFIG_SCHED_NO_NO_OMIT_FRAME_POINTER=y CONFIG_IA64_UNCACHED_ALLOCATOR=y +CONFIG_ZONE_DMA_IS_DMA32=y # CONFIG_IA64_GENERIC is not set # CONFIG_IA64_DIG is not set # CONFIG_IA64_HP_ZX1 is not set @@ -87,16 +108,12 @@ CONFIG_HZ_250=y # CONFIG_HZ_1000 is not set CONFIG_HZ=250 CONFIG_IA64_L1_CACHE_SHIFT=7 -CONFIG_NUMA=y -CONFIG_VIRTUAL_MEM_MAP=y -CONFIG_HOLES_IN_ZONE=y -CONFIG_ARCH_DISCONTIGMEM_ENABLE=y # CONFIG_IA64_CYCLONE is not set CONFIG_IOSAPIC=y CONFIG_IA64_SGI_SN_XP=m -CONFIG_FORCE_MAX_ZONEORDER=18 +CONFIG_FORCE_MAX_ZONEORDER=17 CONFIG_SMP=y -CONFIG_NR_CPUS=512 +CONFIG_NR_CPUS=1024 # CONFIG_HOTPLUG_CPU is not set CONFIG_SCHED_SMT=y CONFIG_PREEMPT=y @@ -107,7 +124,17 @@ CONFIG_DISCONTIGMEM_MANUAL=y CONFIG_DISCONTIGMEM=y CONFIG_FLAT_NODE_MEM_MAP=y CONFIG_NEED_MULTIPLE_NODES=y -CONFIG_HAVE_DEC_LOCK=y +# CONFIG_SPARSEMEM_STATIC is not set +CONFIG_SPLIT_PTLOCK_CPUS=4 +CONFIG_ARCH_SELECT_MEMORY_MODEL=y +CONFIG_ARCH_DISCONTIGMEM_ENABLE=y +CONFIG_ARCH_FLATMEM_ENABLE=y +CONFIG_ARCH_SPARSEMEM_ENABLE=y +CONFIG_ARCH_DISCONTIGMEM_DEFAULT=y +CONFIG_NUMA=y +CONFIG_VIRTUAL_MEM_MAP=y +CONFIG_HOLES_IN_ZONE=y +CONFIG_HAVE_ARCH_EARLY_PFN_TO_NID=y CONFIG_IA32_SUPPORT=y CONFIG_COMPAT=y CONFIG_IA64_MCA_RECOVERY=y @@ -126,28 +153,35 @@ CONFIG_BINFMT_ELF=y # Power management and ACPI # CONFIG_PM=y -CONFIG_ACPI=y +# CONFIG_PM_LEGACY is not set +# CONFIG_PM_DEBUG is not set # # ACPI (Advanced Configuration and Power Interface) Support # +CONFIG_ACPI=y # CONFIG_ACPI_BUTTON is not set # CONFIG_ACPI_FAN is not set # CONFIG_ACPI_PROCESSOR is not set CONFIG_ACPI_NUMA=y +CONFIG_ACPI_BLACKLIST_YEAR=0 # CONFIG_ACPI_DEBUG is not set CONFIG_ACPI_POWER=y CONFIG_ACPI_SYSTEM=y # CONFIG_ACPI_CONTAINER is not set # +# CPU Frequency scaling +# +# CONFIG_CPU_FREQ is not set + +# # Bus options (PCI, PCMCIA) # CONFIG_PCI=y CONFIG_PCI_DOMAINS=y # CONFIG_PCI_MSI is not set CONFIG_PCI_LEGACY_PROC=y -CONFIG_PCI_NAMES=y # CONFIG_PCI_DEBUG is not set # @@ -191,8 +225,8 @@ CONFIG_SYN_COOKIES=y # CONFIG_INET_ESP is not set # CONFIG_INET_IPCOMP is not set # CONFIG_INET_TUNNEL is not set -CONFIG_IP_TCPDIAG=y -# CONFIG_IP_TCPDIAG_IPV6 is not set +CONFIG_INET_DIAG=m +CONFIG_INET_TCP_DIAG=m # CONFIG_TCP_CONG_ADVANCED is not set CONFIG_TCP_CONG_BIC=y CONFIG_IPV6=m @@ -205,6 +239,11 @@ CONFIG_IPV6=m # CONFIG_NETFILTER is not set # +# DCCP Configuration (EXPERIMENTAL) +# +# CONFIG_IP_DCCP is not set + +# # SCTP Configuration (EXPERIMENTAL) # # CONFIG_IP_SCTP is not set @@ -220,8 +259,11 @@ CONFIG_IPV6=m # CONFIG_NET_DIVERT is not set # CONFIG_ECONET is not set # CONFIG_WAN_ROUTER is not set + +# +# QoS and/or fair queueing +# # CONFIG_NET_SCHED is not set -# CONFIG_NET_CLS_ROUTE is not set # # Network testing @@ -230,6 +272,7 @@ CONFIG_IPV6=m # CONFIG_HAMRADIO is not set # CONFIG_IRDA is not set # CONFIG_BT is not set +# CONFIG_IEEE80211 is not set # # Device Drivers @@ -244,6 +287,11 @@ CONFIG_FW_LOADER=y # CONFIG_DEBUG_DRIVER is not set # +# Connector - unified userspace <-> kernelspace linker +# +# CONFIG_CONNECTOR is not set + +# # Memory Technology Devices (MTD) # # CONFIG_MTD is not set @@ -275,16 +323,7 @@ CONFIG_BLK_DEV_RAM=y CONFIG_BLK_DEV_RAM_COUNT=16 CONFIG_BLK_DEV_RAM_SIZE=4096 CONFIG_BLK_DEV_INITRD=y -CONFIG_INITRAMFS_SOURCE="" # CONFIG_CDROM_PKTCDVD is not set - -# -# IO Schedulers -# -CONFIG_IOSCHED_NOOP=y -CONFIG_IOSCHED_AS=y -CONFIG_IOSCHED_DEADLINE=y -CONFIG_IOSCHED_CFQ=y CONFIG_ATA_OVER_ETH=m # @@ -349,6 +388,7 @@ CONFIG_IDEDMA_AUTO=y # # SCSI device support # +# CONFIG_RAID_ATTRS is not set CONFIG_SCSI=y CONFIG_SCSI_PROC_FS=y @@ -375,11 +415,13 @@ CONFIG_SCSI_CONSTANTS=y # CONFIG_SCSI_SPI_ATTRS=y CONFIG_SCSI_FC_ATTRS=y -# CONFIG_SCSI_ISCSI_ATTRS is not set +CONFIG_SCSI_ISCSI_ATTRS=m +CONFIG_SCSI_SAS_ATTRS=y # # SCSI low-level drivers # +CONFIG_ISCSI_TCP=m # CONFIG_BLK_DEV_3W_XXXX_RAID is not set # CONFIG_SCSI_3W_9XXX is not set # CONFIG_SCSI_ACARD is not set @@ -389,15 +431,19 @@ CONFIG_SCSI_FC_ATTRS=y # CONFIG_SCSI_AIC79XX is not set # CONFIG_MEGARAID_NEWGEN is not set # CONFIG_MEGARAID_LEGACY is not set +# CONFIG_MEGARAID_SAS is not set CONFIG_SCSI_SATA=y # CONFIG_SCSI_SATA_AHCI is not set # CONFIG_SCSI_SATA_SVW is not set # CONFIG_SCSI_ATA_PIIX is not set +# CONFIG_SCSI_SATA_MV is not set # CONFIG_SCSI_SATA_NV is not set -# CONFIG_SCSI_SATA_PROMISE is not set +# CONFIG_SCSI_PDC_ADMA is not set # CONFIG_SCSI_SATA_QSTOR is not set +# CONFIG_SCSI_SATA_PROMISE is not set # CONFIG_SCSI_SATA_SX4 is not set # CONFIG_SCSI_SATA_SIL is not set +# CONFIG_SCSI_SATA_SIL24 is not set # CONFIG_SCSI_SATA_SIS is not set # CONFIG_SCSI_SATA_ULI is not set # CONFIG_SCSI_SATA_VIA is not set @@ -411,7 +457,6 @@ CONFIG_SCSI_SATA_VITESSE=y # CONFIG_SCSI_IPR is not set # CONFIG_SCSI_QLOGIC_FC is not set CONFIG_SCSI_QLOGIC_1280=y -# CONFIG_SCSI_QLOGIC_1280_1040 is not set CONFIG_SCSI_QLA2XXX=y # CONFIG_SCSI_QLA21XX is not set CONFIG_SCSI_QLA22XX=y @@ -451,6 +496,7 @@ CONFIG_DM_MULTIPATH_EMC=m CONFIG_FUSION=y CONFIG_FUSION_SPI=y CONFIG_FUSION_FC=y +CONFIG_FUSION_SAS=y CONFIG_FUSION_MAX_SGE=128 CONFIG_FUSION_CTL=m @@ -479,6 +525,10 @@ CONFIG_NETDEVICES=y # CONFIG_ARCNET is not set # +# PHY device support +# + +# # Ethernet (10 or 100Mbit) # # CONFIG_NET_ETHERNET is not set @@ -493,6 +543,7 @@ CONFIG_NETDEVICES=y # CONFIG_HAMACHI is not set # CONFIG_YELLOWFIN is not set # CONFIG_R8169 is not set +# CONFIG_SIS190 is not set # CONFIG_SKGE is not set # CONFIG_SK98LIN is not set CONFIG_TIGON3=y @@ -501,10 +552,10 @@ CONFIG_TIGON3=y # # Ethernet (10000 Mbit) # +CONFIG_CHELSIO_T1=m # CONFIG_IXGB is not set CONFIG_S2IO=m # CONFIG_S2IO_NAPI is not set -# CONFIG_2BUFF_MODE is not set # # Token Ring devices @@ -583,6 +634,7 @@ CONFIG_HW_CONSOLE=y CONFIG_SERIAL_NONSTANDARD=y # CONFIG_ROCKETPORT is not set # CONFIG_CYCLADES is not set +# CONFIG_DIGIEPCA is not set # CONFIG_MOXA_SMARTIO is not set # CONFIG_ISI is not set # CONFIG_SYNCLINKMP is not set @@ -629,7 +681,8 @@ CONFIG_EFI_RTC=y # # Ftape, the floppy tape device driver # -# CONFIG_AGP is not set +CONFIG_AGP=y +CONFIG_AGP_SGI_TIOCA=y # CONFIG_DRM is not set CONFIG_RAW_DRIVER=m # CONFIG_HPET is not set @@ -641,12 +694,12 @@ CONFIG_MMTIMER=y # TPM devices # # CONFIG_TCG_TPM is not set +# CONFIG_TELCLOCK is not set # # I2C support # # CONFIG_I2C is not set -# CONFIG_I2C_SENSOR is not set # # Dallas's 1-wire bus @@ -657,12 +710,17 @@ CONFIG_MMTIMER=y # Hardware Monitoring support # # CONFIG_HWMON is not set +# CONFIG_HWMON_VID is not set # # Misc devices # # +# Multimedia Capabilities Port drivers +# + +# # Multimedia devices # # CONFIG_VIDEO_DEV is not set @@ -721,12 +779,15 @@ CONFIG_USB_UHCI_HCD=m # # USB Device Class drivers # -# CONFIG_USB_BLUETOOTH_TTY is not set # CONFIG_USB_ACM is not set # CONFIG_USB_PRINTER is not set # -# NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support' may also be needed; see USB_STORAGE Help for more information +# NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support' +# + +# +# may also be needed; see USB_STORAGE Help for more information # # CONFIG_USB_STORAGE is not set @@ -751,9 +812,11 @@ CONFIG_USB_HIDINPUT=y # CONFIG_USB_MTOUCH is not set # CONFIG_USB_ITMTOUCH is not set # CONFIG_USB_EGALAX is not set +# CONFIG_USB_YEALINK is not set # CONFIG_USB_XPAD is not set # CONFIG_USB_ATI_REMOTE is not set # CONFIG_USB_KEYSPAN_REMOTE is not set +# CONFIG_USB_APPLETOUCH is not set # # USB Imaging devices @@ -824,11 +887,13 @@ CONFIG_USB_MON=y # InfiniBand support # CONFIG_INFINIBAND=m -CONFIG_INFINIBAND_USER_VERBS=m +# CONFIG_INFINIBAND_USER_MAD is not set +CONFIG_INFINIBAND_USER_ACCESS=m CONFIG_INFINIBAND_MTHCA=m # CONFIG_INFINIBAND_MTHCA_DEBUG is not set CONFIG_INFINIBAND_IPOIB=m # CONFIG_INFINIBAND_IPOIB_DEBUG is not set +CONFIG_INFINIBAND_SRP=m # # SN Devices @@ -858,16 +923,12 @@ CONFIG_REISERFS_FS_POSIX_ACL=y CONFIG_REISERFS_FS_SECURITY=y # CONFIG_JFS_FS is not set CONFIG_FS_POSIX_ACL=y - -# -# XFS support -# CONFIG_XFS_FS=y CONFIG_XFS_EXPORT=y -CONFIG_XFS_RT=y CONFIG_XFS_QUOTA=y # CONFIG_XFS_SECURITY is not set CONFIG_XFS_POSIX_ACL=y +CONFIG_XFS_RT=y # CONFIG_MINIX_FS is not set # CONFIG_ROMFS_FS is not set CONFIG_INOTIFY=y @@ -878,6 +939,7 @@ CONFIG_QUOTACTL=y CONFIG_DNOTIFY=y CONFIG_AUTOFS_FS=m CONFIG_AUTOFS4_FS=m +CONFIG_FUSE_FS=m # # CD-ROM/DVD Filesystems @@ -904,13 +966,11 @@ CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1" CONFIG_PROC_FS=y CONFIG_PROC_KCORE=y CONFIG_SYSFS=y -# CONFIG_DEVPTS_FS_XATTR is not set CONFIG_TMPFS=y -CONFIG_TMPFS_XATTR=y -CONFIG_TMPFS_SECURITY=y CONFIG_HUGETLBFS=y CONFIG_HUGETLB_PAGE=y CONFIG_RAMFS=y +CONFIG_RELAYFS_FS=m # # Miscellaneous filesystems @@ -959,6 +1019,7 @@ CONFIG_CIFS=m # CONFIG_NCP_FS is not set # CONFIG_CODA_FS is not set # CONFIG_AFS_FS is not set +# CONFIG_9P_FS is not set # # Partition Types @@ -1028,18 +1089,21 @@ CONFIG_NLS_UTF8=y # Library routines # # CONFIG_CRC_CCITT is not set +CONFIG_CRC16=m CONFIG_CRC32=y -# CONFIG_LIBCRC32C is not set +CONFIG_LIBCRC32C=m CONFIG_ZLIB_INFLATE=m CONFIG_ZLIB_DEFLATE=m CONFIG_GENERIC_ALLOCATOR=y CONFIG_GENERIC_HARDIRQS=y CONFIG_GENERIC_IRQ_PROBE=y +CONFIG_GENERIC_PENDING_IRQ=y # -# Profiling support +# Instrumentation Support # # CONFIG_PROFILING is not set +# CONFIG_KPROBES is not set # # Kernel hacking @@ -1048,6 +1112,7 @@ CONFIG_GENERIC_IRQ_PROBE=y CONFIG_DEBUG_KERNEL=y CONFIG_MAGIC_SYSRQ=y CONFIG_LOG_BUF_SHIFT=20 +CONFIG_DETECT_SOFTLOCKUP=y # CONFIG_SCHEDSTATS is not set # CONFIG_DEBUG_SLAB is not set CONFIG_DEBUG_PREEMPT=y @@ -1056,7 +1121,8 @@ CONFIG_DEBUG_PREEMPT=y # CONFIG_DEBUG_KOBJECT is not set CONFIG_DEBUG_INFO=y # CONFIG_DEBUG_FS is not set -# CONFIG_KPROBES is not set +# CONFIG_DEBUG_VM is not set +# CONFIG_RCU_TORTURE_TEST is not set CONFIG_IA64_GRANULE_16MB=y # CONFIG_IA64_GRANULE_64MB is not set # CONFIG_IA64_PRINT_HAZARDS is not set @@ -1097,7 +1163,7 @@ CONFIG_CRYPTO_DES=m # CONFIG_CRYPTO_ANUBIS is not set CONFIG_CRYPTO_DEFLATE=m # CONFIG_CRYPTO_MICHAEL_MIC is not set -# CONFIG_CRYPTO_CRC32C is not set +CONFIG_CRYPTO_CRC32C=m # CONFIG_CRYPTO_TEST is not set # diff --git a/arch/ia64/configs/tiger_defconfig b/arch/ia64/configs/tiger_defconfig index 9bc8bca..b1e8f09 100644 --- a/arch/ia64/configs/tiger_defconfig +++ b/arch/ia64/configs/tiger_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.14-rc1 -# Wed Sep 14 15:17:57 2005 +# Linux kernel version: 2.6.15-rc4 +# Fri Dec 2 16:06:32 2005 # # @@ -59,17 +59,36 @@ CONFIG_KMOD=y CONFIG_STOP_MACHINE=y # +# Block layer +# + +# +# IO Schedulers +# +CONFIG_IOSCHED_NOOP=y +CONFIG_IOSCHED_AS=y +CONFIG_IOSCHED_DEADLINE=y +CONFIG_IOSCHED_CFQ=y +CONFIG_DEFAULT_AS=y +# CONFIG_DEFAULT_DEADLINE is not set +# CONFIG_DEFAULT_CFQ is not set +# CONFIG_DEFAULT_NOOP is not set +CONFIG_DEFAULT_IOSCHED="anticipatory" + +# # Processor type and features # CONFIG_IA64=y CONFIG_64BIT=y CONFIG_MMU=y +CONFIG_SWIOTLB=y CONFIG_RWSEM_XCHGADD_ALGORITHM=y CONFIG_GENERIC_CALIBRATE_DELAY=y CONFIG_TIME_INTERPOLATION=y CONFIG_EFI=y CONFIG_GENERIC_IOMAP=y CONFIG_SCHED_NO_NO_OMIT_FRAME_POINTER=y +CONFIG_ZONE_DMA_IS_DMA32=y # CONFIG_IA64_GENERIC is not set CONFIG_IA64_DIG=y # CONFIG_IA64_HP_ZX1 is not set @@ -82,18 +101,16 @@ CONFIG_MCKINLEY=y # CONFIG_IA64_PAGE_SIZE_8KB is not set CONFIG_IA64_PAGE_SIZE_16KB=y # CONFIG_IA64_PAGE_SIZE_64KB is not set +CONFIG_PGTABLE_3=y +# CONFIG_PGTABLE_4 is not set # CONFIG_HZ_100 is not set CONFIG_HZ_250=y # CONFIG_HZ_1000 is not set CONFIG_HZ=250 CONFIG_IA64_L1_CACHE_SHIFT=7 -# CONFIG_NUMA is not set -CONFIG_VIRTUAL_MEM_MAP=y -CONFIG_HOLES_IN_ZONE=y CONFIG_IA64_CYCLONE=y CONFIG_IOSAPIC=y -# CONFIG_IA64_SGI_SN_XP is not set -CONFIG_FORCE_MAX_ZONEORDER=18 +CONFIG_FORCE_MAX_ZONEORDER=17 CONFIG_SMP=y CONFIG_NR_CPUS=4 CONFIG_HOTPLUG_CPU=y @@ -106,7 +123,13 @@ CONFIG_FLATMEM_MANUAL=y CONFIG_FLATMEM=y CONFIG_FLAT_NODE_MEM_MAP=y # CONFIG_SPARSEMEM_STATIC is not set -CONFIG_HAVE_DEC_LOCK=y +CONFIG_SPLIT_PTLOCK_CPUS=4 +CONFIG_ARCH_SELECT_MEMORY_MODEL=y +CONFIG_ARCH_DISCONTIGMEM_ENABLE=y +CONFIG_ARCH_FLATMEM_ENABLE=y +CONFIG_ARCH_SPARSEMEM_ENABLE=y +CONFIG_VIRTUAL_MEM_MAP=y +CONFIG_HOLES_IN_ZONE=y CONFIG_IA32_SUPPORT=y CONFIG_COMPAT=y CONFIG_IA64_MCA_RECOVERY=y @@ -118,7 +141,6 @@ CONFIG_IA64_PALINFO=y # CONFIG_EFI_VARS=y CONFIG_EFI_PCDP=y -# CONFIG_DELL_RBU is not set CONFIG_BINFMT_ELF=y CONFIG_BINFMT_MISC=m @@ -126,6 +148,7 @@ CONFIG_BINFMT_MISC=m # Power management and ACPI # CONFIG_PM=y +CONFIG_PM_LEGACY=y # CONFIG_PM_DEBUG is not set # @@ -226,14 +249,16 @@ CONFIG_TCP_CONG_BIC=y # CONFIG_NET_DIVERT is not set # CONFIG_ECONET is not set # CONFIG_WAN_ROUTER is not set + +# +# QoS and/or fair queueing +# # CONFIG_NET_SCHED is not set -# CONFIG_NET_CLS_ROUTE is not set # # Network testing # # CONFIG_NET_PKTGEN is not set -# CONFIG_NETFILTER_NETLINK is not set # CONFIG_HAMRADIO is not set # CONFIG_IRDA is not set # CONFIG_BT is not set @@ -295,14 +320,6 @@ CONFIG_BLK_DEV_RAM_COUNT=16 CONFIG_BLK_DEV_RAM_SIZE=4096 CONFIG_BLK_DEV_INITRD=y # CONFIG_CDROM_PKTCDVD is not set - -# -# IO Schedulers -# -CONFIG_IOSCHED_NOOP=y -CONFIG_IOSCHED_AS=y -CONFIG_IOSCHED_DEADLINE=y -CONFIG_IOSCHED_CFQ=y # CONFIG_ATA_OVER_ETH is not set # @@ -400,6 +417,7 @@ CONFIG_SCSI_FC_ATTRS=y # # SCSI low-level drivers # +# CONFIG_ISCSI_TCP is not set # CONFIG_BLK_DEV_3W_XXXX_RAID is not set # CONFIG_SCSI_3W_9XXX is not set # CONFIG_SCSI_ACARD is not set @@ -409,6 +427,7 @@ CONFIG_SCSI_FC_ATTRS=y # CONFIG_SCSI_AIC79XX is not set # CONFIG_MEGARAID_NEWGEN is not set # CONFIG_MEGARAID_LEGACY is not set +# CONFIG_MEGARAID_SAS is not set # CONFIG_SCSI_SATA is not set # CONFIG_SCSI_DMX3191D is not set # CONFIG_SCSI_FUTURE_DOMAIN is not set @@ -424,7 +443,6 @@ CONFIG_SCSI_SYM53C8XX_MAX_TAGS=64 CONFIG_SCSI_QLOGIC_FC=y # CONFIG_SCSI_QLOGIC_FC_FIRMWARE is not set CONFIG_SCSI_QLOGIC_1280=y -# CONFIG_SCSI_QLOGIC_1280_1040 is not set CONFIG_SCSI_QLA2XXX=y CONFIG_SCSI_QLA21XX=m CONFIG_SCSI_QLA22XX=m @@ -463,6 +481,7 @@ CONFIG_DM_ZERO=m CONFIG_FUSION=y CONFIG_FUSION_SPI=y CONFIG_FUSION_FC=y +# CONFIG_FUSION_SAS is not set CONFIG_FUSION_MAX_SGE=128 CONFIG_FUSION_CTL=y @@ -503,6 +522,7 @@ CONFIG_NET_ETHERNET=y CONFIG_MII=m # CONFIG_HAPPYMEAL is not set # CONFIG_SUNGEM is not set +# CONFIG_CASSINI is not set # CONFIG_NET_VENDOR_3COM is not set # @@ -727,6 +747,7 @@ CONFIG_MAX_RAW_DEVS=256 # TPM devices # # CONFIG_TCG_TPM is not set +# CONFIG_TELCLOCK is not set # # I2C support @@ -812,12 +833,15 @@ CONFIG_USB_UHCI_HCD=y # # USB Device Class drivers # -# CONFIG_USB_BLUETOOTH_TTY is not set # CONFIG_USB_ACM is not set # CONFIG_USB_PRINTER is not set # -# NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support' may also be needed; see USB_STORAGE Help for more information +# NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support' +# + +# +# may also be needed; see USB_STORAGE Help for more information # CONFIG_USB_STORAGE=m # CONFIG_USB_STORAGE_DEBUG is not set @@ -1123,9 +1147,10 @@ CONFIG_GENERIC_IRQ_PROBE=y CONFIG_GENERIC_PENDING_IRQ=y # -# Profiling support +# Instrumentation Support # # CONFIG_PROFILING is not set +# CONFIG_KPROBES is not set # # Kernel hacking @@ -1142,7 +1167,8 @@ CONFIG_DETECT_SOFTLOCKUP=y # CONFIG_DEBUG_KOBJECT is not set # CONFIG_DEBUG_INFO is not set # CONFIG_DEBUG_FS is not set -# CONFIG_KPROBES is not set +# CONFIG_DEBUG_VM is not set +# CONFIG_RCU_TORTURE_TEST is not set CONFIG_IA64_GRANULE_16MB=y # CONFIG_IA64_GRANULE_64MB is not set # CONFIG_IA64_PRINT_HAZARDS is not set diff --git a/arch/ia64/ia32/binfmt_elf32.c b/arch/ia64/ia32/binfmt_elf32.c index a7280d9..4e7a6a1 100644 --- a/arch/ia64/ia32/binfmt_elf32.c +++ b/arch/ia64/ia32/binfmt_elf32.c @@ -261,8 +261,6 @@ elf32_set_personality (void) { set_personality(PER_LINUX32); current->thread.map_base = IA32_PAGE_OFFSET/3; - current->thread.task_size = IA32_PAGE_OFFSET; /* use what Linux/x86 uses... */ - set_fs(USER_DS); /* set addr limit for new TASK_SIZE */ } static unsigned long diff --git a/arch/ia64/ia32/ia32priv.h b/arch/ia64/ia32/ia32priv.h index e3e9290..68ceb4e 100644 --- a/arch/ia64/ia32/ia32priv.h +++ b/arch/ia64/ia32/ia32priv.h @@ -305,7 +305,6 @@ struct old_linux32_dirent { #define ELF_DATA ELFDATA2LSB #define ELF_ARCH EM_386 -#define IA32_PAGE_OFFSET 0xc0000000 #define IA32_STACK_TOP IA32_PAGE_OFFSET #define IA32_GATE_OFFSET IA32_PAGE_OFFSET #define IA32_GATE_END IA32_PAGE_OFFSET + PAGE_SIZE diff --git a/arch/ia64/kernel/kprobes.c b/arch/ia64/kernel/kprobes.c index 2895d6e..89a7040 100644 --- a/arch/ia64/kernel/kprobes.c +++ b/arch/ia64/kernel/kprobes.c @@ -630,7 +630,7 @@ static int __kprobes pre_kprobes_handler(struct die_args *args) */ save_previous_kprobe(kcb); set_current_kprobe(p, kcb); - p->nmissed++; + kprobes_inc_nmissed_count(p); prepare_ss(p, regs); kcb->kprobe_status = KPROBE_REENTER; return 1; diff --git a/arch/ia64/kernel/process.c b/arch/ia64/kernel/process.c index 2e33665..e9904c7 100644 --- a/arch/ia64/kernel/process.c +++ b/arch/ia64/kernel/process.c @@ -721,8 +721,13 @@ flush_thread (void) /* drop floating-point and debug-register state if it exists: */ current->thread.flags &= ~(IA64_THREAD_FPH_VALID | IA64_THREAD_DBG_VALID); ia64_drop_fpu(current); - if (IS_IA32_PROCESS(ia64_task_regs(current))) +#ifdef CONFIG_IA32_SUPPORT + if (IS_IA32_PROCESS(ia64_task_regs(current))) { ia32_drop_partial_page_list(current); + current->thread.task_size = IA32_PAGE_OFFSET; + set_fs(USER_DS); + } +#endif } /* diff --git a/arch/ia64/kernel/salinfo.c b/arch/ia64/kernel/salinfo.c index ca68e6e..1461dc6 100644 --- a/arch/ia64/kernel/salinfo.c +++ b/arch/ia64/kernel/salinfo.c @@ -293,7 +293,7 @@ retry: if (file->f_flags & O_NONBLOCK) return -EAGAIN; if (down_interruptible(&data->sem)) - return -ERESTARTSYS; + return -EINTR; } n = data->cpu_check; diff --git a/arch/ia64/kernel/setup.c b/arch/ia64/kernel/setup.c index 5add0bc..c33305d 100644 --- a/arch/ia64/kernel/setup.c +++ b/arch/ia64/kernel/setup.c @@ -43,6 +43,7 @@ #include <linux/initrd.h> #include <linux/platform.h> #include <linux/pm.h> +#include <linux/cpufreq.h> #include <asm/ia32.h> #include <asm/machvec.h> @@ -517,6 +518,7 @@ show_cpuinfo (struct seq_file *m, void *v) char family[32], features[128], *cp, sep; struct cpuinfo_ia64 *c = v; unsigned long mask; + unsigned long proc_freq; int i; mask = c->features; @@ -549,6 +551,10 @@ show_cpuinfo (struct seq_file *m, void *v) sprintf(cp, " 0x%lx", mask); } + proc_freq = cpufreq_quick_get(cpunum); + if (!proc_freq) + proc_freq = c->proc_freq / 1000; + seq_printf(m, "processor : %d\n" "vendor : %s\n" @@ -565,7 +571,7 @@ show_cpuinfo (struct seq_file *m, void *v) "BogoMIPS : %lu.%02lu\n", cpunum, c->vendor, family, c->model, c->revision, c->archrev, features, c->ppn, c->number, - c->proc_freq / 1000000, c->proc_freq % 1000000, + proc_freq / 1000, proc_freq % 1000, c->itc_freq / 1000000, c->itc_freq % 1000000, lpj*HZ/500000, (lpj*HZ/5000) % 100); #ifdef CONFIG_SMP diff --git a/arch/ia64/kernel/time.c b/arch/ia64/kernel/time.c index 5b7e736..028a2b9 100644 --- a/arch/ia64/kernel/time.c +++ b/arch/ia64/kernel/time.c @@ -249,3 +249,32 @@ time_init (void) */ set_normalized_timespec(&wall_to_monotonic, -xtime.tv_sec, -xtime.tv_nsec); } + +#define SMALLUSECS 100 + +void +udelay (unsigned long usecs) +{ + unsigned long start; + unsigned long cycles; + unsigned long smallusecs; + + /* + * Execute the non-preemptible delay loop (because the ITC might + * not be synchronized between CPUS) in relatively short time + * chunks, allowing preemption between the chunks. + */ + while (usecs > 0) { + smallusecs = (usecs > SMALLUSECS) ? SMALLUSECS : usecs; + preempt_disable(); + cycles = smallusecs*local_cpu_data->cyc_per_usec; + start = ia64_get_itc(); + + while (ia64_get_itc() - start < cycles) + cpu_relax(); + + preempt_enable(); + usecs -= smallusecs; + } +} +EXPORT_SYMBOL(udelay); diff --git a/arch/ia64/kernel/uncached.c b/arch/ia64/kernel/uncached.c index c6d4044..b631cf8 100644 --- a/arch/ia64/kernel/uncached.c +++ b/arch/ia64/kernel/uncached.c @@ -53,7 +53,7 @@ static void uncached_ipi_visibility(void *data) if ((status != PAL_VISIBILITY_OK) && (status != PAL_VISIBILITY_OK_REMOTE_NEEDED)) printk(KERN_DEBUG "pal_prefetch_visibility() returns %i on " - "CPU %i\n", status, get_cpu()); + "CPU %i\n", status, raw_smp_processor_id()); } @@ -63,7 +63,7 @@ static void uncached_ipi_mc_drain(void *data) status = ia64_pal_mc_drain(); if (status) printk(KERN_WARNING "ia64_pal_mc_drain() failed with %i on " - "CPU %i\n", status, get_cpu()); + "CPU %i\n", status, raw_smp_processor_id()); } @@ -105,7 +105,7 @@ uncached_get_new_chunk(struct gen_pool *poolp) status = ia64_pal_prefetch_visibility(PAL_VISIBILITY_PHYSICAL); dprintk(KERN_INFO "pal_prefetch_visibility() returns %i on cpu %i\n", - status, get_cpu()); + status, raw_smp_processor_id()); if (!status) { status = smp_call_function(uncached_ipi_visibility, NULL, 0, 1); diff --git a/arch/ia64/kernel/vmlinux.lds.S b/arch/ia64/kernel/vmlinux.lds.S index 30d8564..73af626 100644 --- a/arch/ia64/kernel/vmlinux.lds.S +++ b/arch/ia64/kernel/vmlinux.lds.S @@ -177,6 +177,9 @@ SECTIONS } . = ALIGN(PAGE_SIZE); /* make sure the gate page doesn't expose kernel data */ + .data.read_mostly : AT(ADDR(.data.read_mostly) - LOAD_OFFSET) + { *(.data.read_mostly) } + .data.cacheline_aligned : AT(ADDR(.data.cacheline_aligned) - LOAD_OFFSET) { *(.data.cacheline_aligned) } diff --git a/arch/ia64/mm/discontig.c b/arch/ia64/mm/discontig.c index 0f776b0..c87d6d1 100644 --- a/arch/ia64/mm/discontig.c +++ b/arch/ia64/mm/discontig.c @@ -50,8 +50,10 @@ static nodemask_t memory_less_mask __initdata; * To prevent cache aliasing effects, align per-node structures so that they * start at addresses that are strided by node number. */ +#define MAX_NODE_ALIGN_OFFSET (32 * 1024 * 1024) #define NODEDATA_ALIGN(addr, node) \ - ((((addr) + 1024*1024-1) & ~(1024*1024-1)) + (node)*PERCPU_PAGE_SIZE) + ((((addr) + 1024*1024-1) & ~(1024*1024-1)) + \ + (((node)*PERCPU_PAGE_SIZE) & (MAX_NODE_ALIGN_OFFSET - 1))) /** * build_node_maps - callback to setup bootmem structs for each node diff --git a/arch/ia64/pci/pci.c b/arch/ia64/pci/pci.c index 5536027..337abd5 100644 --- a/arch/ia64/pci/pci.c +++ b/arch/ia64/pci/pci.c @@ -700,7 +700,7 @@ int ia64_pci_legacy_read(struct pci_bus *bus, u16 port, u32 *val, u8 size) */ int ia64_pci_legacy_write(struct pci_dev *bus, u16 port, u32 val, u8 size) { - int ret = 0; + int ret = size; switch (size) { case 1: diff --git a/arch/ia64/sn/kernel/io_init.c b/arch/ia64/sn/kernel/io_init.c index 05e4ea8..318087e 100644 --- a/arch/ia64/sn/kernel/io_init.c +++ b/arch/ia64/sn/kernel/io_init.c @@ -3,7 +3,7 @@ * License. See the file "COPYING" in the main directory of this archive * for more details. * - * Copyright (C) 1992 - 1997, 2000-2004 Silicon Graphics, Inc. All rights reserved. + * Copyright (C) 1992 - 1997, 2000-2005 Silicon Graphics, Inc. All rights reserved. */ #include <linux/bootmem.h> @@ -147,6 +147,24 @@ sal_get_pcidev_info(u64 segment, u64 bus_number, u64 devfn, u64 pci_dev, } /* + * sn_pcidev_info_get() - Retrieve the pcidev_info struct for the specified + * device. + */ +inline struct pcidev_info * +sn_pcidev_info_get(struct pci_dev *dev) +{ + struct pcidev_info *pcidev; + + list_for_each_entry(pcidev, + &(SN_PCI_CONTROLLER(dev)->pcidev_info), pdi_list) { + if (pcidev->pdi_linux_pcidev == dev) { + return pcidev; + } + } + return NULL; +} + +/* * sn_fixup_ionodes() - This routine initializes the HUB data strcuture for * each node in the system. */ @@ -229,6 +247,50 @@ static void sn_fixup_ionodes(void) } +/* + * sn_pci_window_fixup() - Create a pci_window for each device resource. + * Until ACPI support is added, we need this code + * to setup pci_windows for use by + * pcibios_bus_to_resource(), + * pcibios_resource_to_bus(), etc. + */ +static void +sn_pci_window_fixup(struct pci_dev *dev, unsigned int count, + int64_t * pci_addrs) +{ + struct pci_controller *controller = PCI_CONTROLLER(dev->bus); + unsigned int i; + unsigned int idx; + unsigned int new_count; + struct pci_window *new_window; + + if (count == 0) + return; + idx = controller->windows; + new_count = controller->windows + count; + new_window = kcalloc(new_count, sizeof(struct pci_window), GFP_KERNEL); + if (new_window == NULL) + BUG(); + if (controller->window) { + memcpy(new_window, controller->window, + sizeof(struct pci_window) * controller->windows); + kfree(controller->window); + } + + /* Setup a pci_window for each device resource. */ + for (i = 0; i <= PCI_ROM_RESOURCE; i++) { + if (pci_addrs[i] == -1) + continue; + + new_window[idx].offset = dev->resource[i].start - pci_addrs[i]; + new_window[idx].resource = dev->resource[i]; + idx++; + } + + controller->windows = new_count; + controller->window = new_window; +} + void sn_pci_unfixup_slot(struct pci_dev *dev) { struct pci_dev *host_pci_dev = SN_PCIDEV_INFO(dev)->host_pci_dev; @@ -246,21 +308,23 @@ void sn_pci_unfixup_slot(struct pci_dev *dev) */ void sn_pci_fixup_slot(struct pci_dev *dev) { + unsigned int count = 0; int idx; int segment = pci_domain_nr(dev->bus); int status = 0; struct pcibus_bussoft *bs; struct pci_bus *host_pci_bus; struct pci_dev *host_pci_dev; + struct pcidev_info *pcidev_info; + int64_t pci_addrs[PCI_ROM_RESOURCE + 1]; struct sn_irq_info *sn_irq_info; unsigned long size; unsigned int bus_no, devfn; pci_dev_get(dev); /* for the sysdata pointer */ - dev->sysdata = kmalloc(sizeof(struct pcidev_info), GFP_KERNEL); - if (SN_PCIDEV_INFO(dev) <= 0) + pcidev_info = kzalloc(sizeof(struct pcidev_info), GFP_KERNEL); + if (pcidev_info <= 0) BUG(); /* Cannot afford to run out of memory */ - memset(SN_PCIDEV_INFO(dev), 0, sizeof(struct pcidev_info)); sn_irq_info = kmalloc(sizeof(struct sn_irq_info), GFP_KERNEL); if (sn_irq_info <= 0) @@ -270,22 +334,34 @@ void sn_pci_fixup_slot(struct pci_dev *dev) /* Call to retrieve pci device information needed by kernel. */ status = sal_get_pcidev_info((u64) segment, (u64) dev->bus->number, dev->devfn, - (u64) __pa(SN_PCIDEV_INFO(dev)), + (u64) __pa(pcidev_info), (u64) __pa(sn_irq_info)); if (status) BUG(); /* Cannot get platform pci device information */ + /* Add pcidev_info to list in sn_pci_controller struct */ + list_add_tail(&pcidev_info->pdi_list, + &(SN_PCI_CONTROLLER(dev->bus)->pcidev_info)); + /* Copy over PIO Mapped Addresses */ for (idx = 0; idx <= PCI_ROM_RESOURCE; idx++) { unsigned long start, end, addr; - if (!SN_PCIDEV_INFO(dev)->pdi_pio_mapped_addr[idx]) + if (!pcidev_info->pdi_pio_mapped_addr[idx]) { + pci_addrs[idx] = -1; continue; + } start = dev->resource[idx].start; end = dev->resource[idx].end; size = end - start; - addr = SN_PCIDEV_INFO(dev)->pdi_pio_mapped_addr[idx]; + if (size == 0) { + pci_addrs[idx] = -1; + continue; + } + pci_addrs[idx] = start; + count++; + addr = pcidev_info->pdi_pio_mapped_addr[idx]; addr = ((addr << 4) >> 4) | __IA64_UNCACHED_OFFSET; dev->resource[idx].start = addr; dev->resource[idx].end = addr + size; @@ -294,23 +370,27 @@ void sn_pci_fixup_slot(struct pci_dev *dev) else dev->resource[idx].parent = &iomem_resource; } + /* Create a pci_window in the pci_controller struct for + * each device resource. + */ + if (count > 0) + sn_pci_window_fixup(dev, count, pci_addrs); /* * Using the PROMs values for the PCI host bus, get the Linux * PCI host_pci_dev struct and set up host bus linkages */ - bus_no = (SN_PCIDEV_INFO(dev)->pdi_slot_host_handle >> 32) & 0xff; - devfn = SN_PCIDEV_INFO(dev)->pdi_slot_host_handle & 0xffffffff; + bus_no = (pcidev_info->pdi_slot_host_handle >> 32) & 0xff; + devfn = pcidev_info->pdi_slot_host_handle & 0xffffffff; host_pci_bus = pci_find_bus(segment, bus_no); host_pci_dev = pci_get_slot(host_pci_bus, devfn); - SN_PCIDEV_INFO(dev)->host_pci_dev = host_pci_dev; - SN_PCIDEV_INFO(dev)->pdi_host_pcidev_info = - SN_PCIDEV_INFO(host_pci_dev); - SN_PCIDEV_INFO(dev)->pdi_linux_pcidev = dev; + pcidev_info->host_pci_dev = host_pci_dev; + pcidev_info->pdi_linux_pcidev = dev; + pcidev_info->pdi_host_pcidev_info = SN_PCIDEV_INFO(host_pci_dev); bs = SN_PCIBUS_BUSSOFT(dev->bus); - SN_PCIDEV_INFO(dev)->pdi_pcibus_info = bs; + pcidev_info->pdi_pcibus_info = bs; if (bs && bs->bs_asic_type < PCIIO_ASIC_MAX_TYPES) { SN_PCIDEV_BUSPROVIDER(dev) = sn_pci_provider[bs->bs_asic_type]; @@ -320,11 +400,11 @@ void sn_pci_fixup_slot(struct pci_dev *dev) /* Only set up IRQ stuff if this device has a host bus context */ if (bs && sn_irq_info->irq_irq) { - SN_PCIDEV_INFO(dev)->pdi_sn_irq_info = sn_irq_info; - dev->irq = SN_PCIDEV_INFO(dev)->pdi_sn_irq_info->irq_irq; + pcidev_info->pdi_sn_irq_info = sn_irq_info; + dev->irq = pcidev_info->pdi_sn_irq_info->irq_irq; sn_irq_fixup(dev, sn_irq_info); } else { - SN_PCIDEV_INFO(dev)->pdi_sn_irq_info = NULL; + pcidev_info->pdi_sn_irq_info = NULL; kfree(sn_irq_info); } } @@ -338,6 +418,7 @@ void sn_pci_controller_fixup(int segment, int busnum, struct pci_bus *bus) int status = 0; int nasid, cnode; struct pci_controller *controller; + struct sn_pci_controller *sn_controller; struct pcibus_bussoft *prom_bussoft_ptr; struct hubdev_info *hubdev_info; void *provider_soft = NULL; @@ -349,10 +430,15 @@ void sn_pci_controller_fixup(int segment, int busnum, struct pci_bus *bus) return; /*bus # does not exist */ prom_bussoft_ptr = __va(prom_bussoft_ptr); - controller = kzalloc(sizeof(struct pci_controller), GFP_KERNEL); + /* Allocate a sn_pci_controller, which has a pci_controller struct + * as the first member. + */ + sn_controller = kzalloc(sizeof(struct sn_pci_controller), GFP_KERNEL); + if (!sn_controller) + BUG(); + INIT_LIST_HEAD(&sn_controller->pcidev_info); + controller = &sn_controller->pci_controller; controller->segment = segment; - if (!controller) - BUG(); if (bus == NULL) { bus = pci_scan_bus(busnum, &pci_root_ops, controller); @@ -390,6 +476,29 @@ void sn_pci_controller_fixup(int segment, int busnum, struct pci_bus *bus) } /* + * Setup pci_windows for legacy IO and MEM space. + * (Temporary until ACPI support is in place.) + */ + controller->window = kcalloc(2, sizeof(struct pci_window), GFP_KERNEL); + if (controller->window == NULL) + BUG(); + controller->window[0].offset = prom_bussoft_ptr->bs_legacy_io; + controller->window[0].resource.name = "legacy_io"; + controller->window[0].resource.flags = IORESOURCE_IO; + controller->window[0].resource.start = prom_bussoft_ptr->bs_legacy_io; + controller->window[0].resource.end = + controller->window[0].resource.start + 0xffff; + controller->window[0].resource.parent = &ioport_resource; + controller->window[1].offset = prom_bussoft_ptr->bs_legacy_mem; + controller->window[1].resource.name = "legacy_mem"; + controller->window[1].resource.flags = IORESOURCE_MEM; + controller->window[1].resource.start = prom_bussoft_ptr->bs_legacy_mem; + controller->window[1].resource.end = + controller->window[1].resource.start + (1024 * 1024) - 1; + controller->window[1].resource.parent = &iomem_resource; + controller->windows = 2; + + /* * Generic bus fixup goes here. Don't reference prom_bussoft_ptr * after this point. */ @@ -421,7 +530,7 @@ void sn_pci_controller_fixup(int segment, int busnum, struct pci_bus *bus) error_return: - kfree(controller); + kfree(sn_controller); return; } @@ -434,7 +543,7 @@ void sn_bus_store_sysdata(struct pci_dev *dev) dev_dbg(dev, "%s: out of memory!\n", __FUNCTION__); return; } - element->sysdata = dev->sysdata; + element->sysdata = SN_PCIDEV_INFO(dev); list_add(&element->entry, &sn_sysdata_list); } diff --git a/arch/ia64/sn/kernel/sn2/ptc_deadlock.S b/arch/ia64/sn/kernel/sn2/ptc_deadlock.S index 3fa9506..bebbcc4 100644 --- a/arch/ia64/sn/kernel/sn2/ptc_deadlock.S +++ b/arch/ia64/sn/kernel/sn2/ptc_deadlock.S @@ -39,9 +39,13 @@ sn2_ptc_deadlock_recovery_core: mov r8=r0 1: + cmp.ne p8,p9=r0,ptc1 // Test for shub type (ptc1 non-null on shub1) + // p8 = 1 if shub1, p9 = 1 if shub2 + add scr2=ALIAS_OFFSET,piowc // Address of WRITE_STATUS alias register - ;; - ld8.acq scr1=[scr2];; + mov scr1=7;; // Clear DEADLOCK, WRITE_ERROR, MULTI_WRITE_ERROR +(p8) st8.rel [scr2]=scr1;; +(p9) ld8.acq scr1=[scr2];; 5: ld8.acq scr1=[piowc];; // Wait for PIOs to complete. hint @pause diff --git a/arch/ia64/sn/kernel/sn2/sn2_smp.c b/arch/ia64/sn/kernel/sn2/sn2_smp.c index 5d54f5f..471bbaa 100644 --- a/arch/ia64/sn/kernel/sn2/sn2_smp.c +++ b/arch/ia64/sn/kernel/sn2/sn2_smp.c @@ -202,7 +202,7 @@ sn2_global_tlb_purge(struct mm_struct *mm, unsigned long start, unsigned long end, unsigned long nbits) { int i, opt, shub1, cnode, mynasid, cpu, lcpu = 0, nasid, flushed = 0; - int mymm = (mm == current->active_mm); + int mymm = (mm == current->active_mm && current->mm); volatile unsigned long *ptc0, *ptc1; unsigned long itc, itc2, flags, data0 = 0, data1 = 0, rr_value; short nasids[MAX_NUMNODES], nix; diff --git a/arch/ia64/sn/kernel/tiocx.c b/arch/ia64/sn/kernel/tiocx.c index 0d8592a..768c21d 100644 --- a/arch/ia64/sn/kernel/tiocx.c +++ b/arch/ia64/sn/kernel/tiocx.c @@ -65,7 +65,7 @@ static int tiocx_match(struct device *dev, struct device_driver *drv) } -static int tiocx_hotplug(struct device *dev, char **envp, int num_envp, +static int tiocx_uevent(struct device *dev, char **envp, int num_envp, char *buffer, int buffer_size) { return -ENODEV; @@ -79,7 +79,7 @@ static void tiocx_bus_release(struct device *dev) struct bus_type tiocx_bus_type = { .name = "tiocx", .match = tiocx_match, - .hotplug = tiocx_hotplug, + .uevent = tiocx_uevent, }; /** diff --git a/arch/ia64/sn/pci/pcibr/pcibr_reg.c b/arch/ia64/sn/pci/pcibr/pcibr_reg.c index 5d53409..79fdb91 100644 --- a/arch/ia64/sn/pci/pcibr/pcibr_reg.c +++ b/arch/ia64/sn/pci/pcibr/pcibr_reg.c @@ -25,7 +25,7 @@ union br_ptr { */ void pcireg_control_bit_clr(struct pcibus_info *pcibus_info, uint64_t bits) { - union br_ptr *ptr = (union br_ptr *)pcibus_info->pbi_buscommon.bs_base; + union br_ptr __iomem *ptr = (union br_ptr __iomem *)pcibus_info->pbi_buscommon.bs_base; if (pcibus_info) { switch (pcibus_info->pbi_bridge_type) { @@ -38,14 +38,14 @@ void pcireg_control_bit_clr(struct pcibus_info *pcibus_info, uint64_t bits) default: panic ("pcireg_control_bit_clr: unknown bridgetype bridge 0x%p", - (void *)ptr); + ptr); } } } void pcireg_control_bit_set(struct pcibus_info *pcibus_info, uint64_t bits) { - union br_ptr *ptr = (union br_ptr *)pcibus_info->pbi_buscommon.bs_base; + union br_ptr __iomem *ptr = (union br_ptr __iomem *)pcibus_info->pbi_buscommon.bs_base; if (pcibus_info) { switch (pcibus_info->pbi_bridge_type) { @@ -58,7 +58,7 @@ void pcireg_control_bit_set(struct pcibus_info *pcibus_info, uint64_t bits) default: panic ("pcireg_control_bit_set: unknown bridgetype bridge 0x%p", - (void *)ptr); + ptr); } } } @@ -68,7 +68,7 @@ void pcireg_control_bit_set(struct pcibus_info *pcibus_info, uint64_t bits) */ uint64_t pcireg_tflush_get(struct pcibus_info *pcibus_info) { - union br_ptr *ptr = (union br_ptr *)pcibus_info->pbi_buscommon.bs_base; + union br_ptr __iomem *ptr = (union br_ptr __iomem *)pcibus_info->pbi_buscommon.bs_base; uint64_t ret = 0; if (pcibus_info) { @@ -82,7 +82,7 @@ uint64_t pcireg_tflush_get(struct pcibus_info *pcibus_info) default: panic ("pcireg_tflush_get: unknown bridgetype bridge 0x%p", - (void *)ptr); + ptr); } } @@ -98,7 +98,7 @@ uint64_t pcireg_tflush_get(struct pcibus_info *pcibus_info) */ uint64_t pcireg_intr_status_get(struct pcibus_info * pcibus_info) { - union br_ptr *ptr = (union br_ptr *)pcibus_info->pbi_buscommon.bs_base; + union br_ptr __iomem *ptr = (union br_ptr __iomem *)pcibus_info->pbi_buscommon.bs_base; uint64_t ret = 0; if (pcibus_info) { @@ -112,7 +112,7 @@ uint64_t pcireg_intr_status_get(struct pcibus_info * pcibus_info) default: panic ("pcireg_intr_status_get: unknown bridgetype bridge 0x%p", - (void *)ptr); + ptr); } } return ret; @@ -123,7 +123,7 @@ uint64_t pcireg_intr_status_get(struct pcibus_info * pcibus_info) */ void pcireg_intr_enable_bit_clr(struct pcibus_info *pcibus_info, uint64_t bits) { - union br_ptr *ptr = (union br_ptr *)pcibus_info->pbi_buscommon.bs_base; + union br_ptr __iomem *ptr = (union br_ptr __iomem *)pcibus_info->pbi_buscommon.bs_base; if (pcibus_info) { switch (pcibus_info->pbi_bridge_type) { @@ -136,14 +136,14 @@ void pcireg_intr_enable_bit_clr(struct pcibus_info *pcibus_info, uint64_t bits) default: panic ("pcireg_intr_enable_bit_clr: unknown bridgetype bridge 0x%p", - (void *)ptr); + ptr); } } } void pcireg_intr_enable_bit_set(struct pcibus_info *pcibus_info, uint64_t bits) { - union br_ptr *ptr = (union br_ptr *)pcibus_info->pbi_buscommon.bs_base; + union br_ptr __iomem *ptr = (union br_ptr __iomem *)pcibus_info->pbi_buscommon.bs_base; if (pcibus_info) { switch (pcibus_info->pbi_bridge_type) { @@ -156,7 +156,7 @@ void pcireg_intr_enable_bit_set(struct pcibus_info *pcibus_info, uint64_t bits) default: panic ("pcireg_intr_enable_bit_set: unknown bridgetype bridge 0x%p", - (void *)ptr); + ptr); } } } @@ -167,7 +167,7 @@ void pcireg_intr_enable_bit_set(struct pcibus_info *pcibus_info, uint64_t bits) void pcireg_intr_addr_addr_set(struct pcibus_info *pcibus_info, int int_n, uint64_t addr) { - union br_ptr *ptr = (union br_ptr *)pcibus_info->pbi_buscommon.bs_base; + union br_ptr __iomem *ptr = (union br_ptr __iomem *)pcibus_info->pbi_buscommon.bs_base; if (pcibus_info) { switch (pcibus_info->pbi_bridge_type) { @@ -186,7 +186,7 @@ void pcireg_intr_addr_addr_set(struct pcibus_info *pcibus_info, int int_n, default: panic ("pcireg_intr_addr_addr_get: unknown bridgetype bridge 0x%p", - (void *)ptr); + ptr); } } } @@ -196,7 +196,7 @@ void pcireg_intr_addr_addr_set(struct pcibus_info *pcibus_info, int int_n, */ void pcireg_force_intr_set(struct pcibus_info *pcibus_info, int int_n) { - union br_ptr *ptr = (union br_ptr *)pcibus_info->pbi_buscommon.bs_base; + union br_ptr __iomem *ptr = (union br_ptr __iomem *)pcibus_info->pbi_buscommon.bs_base; if (pcibus_info) { switch (pcibus_info->pbi_bridge_type) { @@ -209,7 +209,7 @@ void pcireg_force_intr_set(struct pcibus_info *pcibus_info, int int_n) default: panic ("pcireg_force_intr_set: unknown bridgetype bridge 0x%p", - (void *)ptr); + ptr); } } } @@ -219,7 +219,7 @@ void pcireg_force_intr_set(struct pcibus_info *pcibus_info, int int_n) */ uint64_t pcireg_wrb_flush_get(struct pcibus_info *pcibus_info, int device) { - union br_ptr *ptr = (union br_ptr *)pcibus_info->pbi_buscommon.bs_base; + union br_ptr __iomem *ptr = (union br_ptr __iomem *)pcibus_info->pbi_buscommon.bs_base; uint64_t ret = 0; if (pcibus_info) { @@ -233,7 +233,7 @@ uint64_t pcireg_wrb_flush_get(struct pcibus_info *pcibus_info, int device) __sn_readq_relaxed(&ptr->pic.p_wr_req_buf[device]); break; default: - panic("pcireg_wrb_flush_get: unknown bridgetype bridge 0x%p", (void *)ptr); + panic("pcireg_wrb_flush_get: unknown bridgetype bridge 0x%p", ptr); } } @@ -244,7 +244,7 @@ uint64_t pcireg_wrb_flush_get(struct pcibus_info *pcibus_info, int device) void pcireg_int_ate_set(struct pcibus_info *pcibus_info, int ate_index, uint64_t val) { - union br_ptr *ptr = (union br_ptr *)pcibus_info->pbi_buscommon.bs_base; + union br_ptr __iomem *ptr = (union br_ptr __iomem *)pcibus_info->pbi_buscommon.bs_base; if (pcibus_info) { switch (pcibus_info->pbi_bridge_type) { @@ -257,15 +257,15 @@ void pcireg_int_ate_set(struct pcibus_info *pcibus_info, int ate_index, default: panic ("pcireg_int_ate_set: unknown bridgetype bridge 0x%p", - (void *)ptr); + ptr); } } } -uint64_t *pcireg_int_ate_addr(struct pcibus_info *pcibus_info, int ate_index) +uint64_t __iomem *pcireg_int_ate_addr(struct pcibus_info *pcibus_info, int ate_index) { - union br_ptr *ptr = (union br_ptr *)pcibus_info->pbi_buscommon.bs_base; - uint64_t *ret = (uint64_t *) 0; + union br_ptr __iomem *ptr = (union br_ptr __iomem *)pcibus_info->pbi_buscommon.bs_base; + uint64_t __iomem *ret = NULL; if (pcibus_info) { switch (pcibus_info->pbi_bridge_type) { @@ -278,7 +278,7 @@ uint64_t *pcireg_int_ate_addr(struct pcibus_info *pcibus_info, int ate_index) default: panic ("pcireg_int_ate_addr: unknown bridgetype bridge 0x%p", - (void *)ptr); + ptr); } } return ret; diff --git a/arch/ia64/sn/pci/tioca_provider.c b/arch/ia64/sn/pci/tioca_provider.c index 46b646a..27aa184 100644 --- a/arch/ia64/sn/pci/tioca_provider.c +++ b/arch/ia64/sn/pci/tioca_provider.c @@ -38,10 +38,10 @@ tioca_gart_init(struct tioca_kernel *tioca_kern) uint64_t offset; struct page *tmp; struct tioca_common *tioca_common; - struct tioca *ca_base; + struct tioca __iomem *ca_base; tioca_common = tioca_kern->ca_common; - ca_base = (struct tioca *)tioca_common->ca_common.bs_base; + ca_base = (struct tioca __iomem *)tioca_common->ca_common.bs_base; if (list_empty(tioca_kern->ca_devices)) return 0; @@ -215,7 +215,7 @@ tioca_fastwrite_enable(struct tioca_kernel *tioca_kern) { int cap_ptr; uint32_t reg; - struct tioca *tioca_base; + struct tioca __iomem *tioca_base; struct pci_dev *pdev; struct tioca_common *common; @@ -257,7 +257,7 @@ tioca_fastwrite_enable(struct tioca_kernel *tioca_kern) * Set ca's fw to match */ - tioca_base = (struct tioca *)common->ca_common.bs_base; + tioca_base = (struct tioca __iomem*)common->ca_common.bs_base; __sn_setq_relaxed(&tioca_base->ca_control1, CA_AGP_FW_ENABLE); } @@ -322,7 +322,7 @@ static uint64_t tioca_dma_d48(struct pci_dev *pdev, uint64_t paddr) { struct tioca_common *tioca_common; - struct tioca *ca_base; + struct tioca __iomem *ca_base; uint64_t ct_addr; dma_addr_t bus_addr; uint32_t node_upper; @@ -330,7 +330,7 @@ tioca_dma_d48(struct pci_dev *pdev, uint64_t paddr) struct pcidev_info *pcidev_info = SN_PCIDEV_INFO(pdev); tioca_common = (struct tioca_common *)pcidev_info->pdi_pcibus_info; - ca_base = (struct tioca *)tioca_common->ca_common.bs_base; + ca_base = (struct tioca __iomem *)tioca_common->ca_common.bs_base; ct_addr = PHYS_TO_TIODMA(paddr); if (!ct_addr) diff --git a/arch/m32r/Kconfig b/arch/m32r/Kconfig index 4d100f3..fae67bb 100644 --- a/arch/m32r/Kconfig +++ b/arch/m32r/Kconfig @@ -81,6 +81,12 @@ config PLAT_MAPPI2 config PLAT_MAPPI3 bool "Mappi-III(M3A-2170)" +config PLAT_M32104UT + bool "M32104UT" + help + The M3T-M32104UT is an reference board based on uT-Engine + specification. This board has a M32104 chip. + endchoice choice @@ -93,6 +99,10 @@ config CHIP_M32700 config CHIP_M32102 bool "M32102" +config CHIP_M32104 + bool "M32104" + depends on PLAT_M32104UT + config CHIP_VDEC2 bool "VDEC2" @@ -115,7 +125,7 @@ config TLB_ENTRIES config ISA_M32R bool - depends on CHIP_M32102 + depends on CHIP_M32102 || CHIP_M32104 default y config ISA_M32R2 @@ -140,6 +150,7 @@ config BUS_CLOCK default "50000000" if PLAT_MAPPI3 default "50000000" if PLAT_M32700UT default "50000000" if PLAT_OPSPUT + default "54000000" if PLAT_M32104UT default "33333333" if PLAT_OAKS32R default "20000000" if PLAT_MAPPI2 @@ -157,6 +168,7 @@ config MEMORY_START default "08000000" if PLAT_USRV default "08000000" if PLAT_M32700UT default "08000000" if PLAT_OPSPUT + default "04000000" if PLAT_M32104UT default "01000000" if PLAT_OAKS32R config MEMORY_SIZE @@ -166,6 +178,7 @@ config MEMORY_SIZE default "02000000" if PLAT_USRV default "01000000" if PLAT_M32700UT default "01000000" if PLAT_OPSPUT + default "01000000" if PLAT_M32104UT default "00800000" if PLAT_OAKS32R config NOHIGHMEM @@ -174,21 +187,22 @@ config NOHIGHMEM config ARCH_DISCONTIGMEM_ENABLE bool "Internal RAM Support" - depends on CHIP_M32700 || CHIP_M32102 || CHIP_VDEC2 || CHIP_OPSP + depends on CHIP_M32700 || CHIP_M32102 || CHIP_VDEC2 || CHIP_OPSP || CHIP_M32104 default y source "mm/Kconfig" config IRAM_START hex "Internal memory start address (hex)" - default "00f00000" - depends on (CHIP_M32700 || CHIP_M32102 || CHIP_VDEC2 || CHIP_OPSP) && DISCONTIGMEM + default "00f00000" if !CHIP_M32104 + default "00700000" if CHIP_M32104 + depends on (CHIP_M32700 || CHIP_M32102 || CHIP_VDEC2 || CHIP_OPSP || CHIP_M32104) && DISCONTIGMEM config IRAM_SIZE hex "Internal memory size (hex)" - depends on (CHIP_M32700 || CHIP_M32102 || CHIP_VDEC2 || CHIP_OPSP) && DISCONTIGMEM + depends on (CHIP_M32700 || CHIP_M32102 || CHIP_VDEC2 || CHIP_OPSP || CHIP_M32104) && DISCONTIGMEM default "00080000" if CHIP_M32700 - default "00010000" if CHIP_M32102 || CHIP_OPSP + default "00010000" if CHIP_M32102 || CHIP_OPSP || CHIP_M32104 default "00008000" if CHIP_VDEC2 # diff --git a/arch/m32r/boot/compressed/head.S b/arch/m32r/boot/compressed/head.S index 07cfd6a..234d8b1 100644 --- a/arch/m32r/boot/compressed/head.S +++ b/arch/m32r/boot/compressed/head.S @@ -143,6 +143,11 @@ startup: ldi r0, -2 ldi r1, 0x0100 ; invalidate stb r1, @r0 +#elif defined(CONFIG_CHIP_M32104) + /* Cache flush */ + ldi r0, -2 + ldi r1, 0x0700 ; invalidate i-cache, copy back d-cache + sth r1, @r0 #else #error "put your cache flush function, please" #endif diff --git a/arch/m32r/boot/setup.S b/arch/m32r/boot/setup.S index 5d25643..3985425 100644 --- a/arch/m32r/boot/setup.S +++ b/arch/m32r/boot/setup.S @@ -1,11 +1,10 @@ /* * linux/arch/m32r/boot/setup.S -- A setup code. * - * Copyright (C) 2001, 2002 Hiroyuki Kondo, Hirokazu Takata, - * and Hitoshi Yamamoto + * Copyright (C) 2001-2005 Hiroyuki Kondo, Hirokazu Takata, + * Hitoshi Yamamoto, Hayato Fujiwara * */ -/* $Id$ */ #include <linux/linkage.h> #include <asm/segment.h> @@ -80,6 +79,20 @@ ENTRY(boot) ldi r1, #0x101 ; cache on (with invalidation) ; ldi r1, #0x00 ; cache off st r1, @r0 +#elif defined(CONFIG_CHIP_M32104) + ldi r0, #-96 ; DNCR0 + seth r1, #0x0060 ; from 0x00600000 + or3 r1, r1, #0x0005 ; size 2MB + st r1, @r0 + seth r1, #0x0100 ; from 0x01000000 + or3 r1, r1, #0x0003 ; size 16MB + st r1, @+r0 + seth r1, #0x0200 ; from 0x02000000 + or3 r1, r1, #0x0002 ; size 32MB + st r1, @+r0 + ldi r0, #-4 ;LDIMM (r0, M32R_MCCR) + ldi r1, #0x703 ; cache on (with invalidation) + st r1, @r0 #else #error unknown chip configuration #endif @@ -115,10 +128,15 @@ mmu_on: st r1, @(MATM_offset,r0) ; Set MATM (T bit ON) ld r0, @(MATM_offset,r0) ; Check #else +#if defined(CONFIG_CHIP_M32700) seth r0,#high(M32R_MCDCAR) or3 r0,r0,#low(M32R_MCDCAR) ld24 r1,#0x8080 st r1,@r0 +#elif defined(CONFIG_CHIP_M32104) + LDIMM (r2, eit_vector) ; set EVB(cr5) + mvtc r2, cr5 +#endif #endif /* CONFIG_MMU */ jmp r13 nop diff --git a/arch/m32r/kernel/Makefile b/arch/m32r/kernel/Makefile index 6c6b6c3..5a2fa88 100644 --- a/arch/m32r/kernel/Makefile +++ b/arch/m32r/kernel/Makefile @@ -16,5 +16,6 @@ obj-$(CONFIG_PLAT_M32700UT) += setup_m32700ut.o io_m32700ut.o obj-$(CONFIG_PLAT_OPSPUT) += setup_opsput.o io_opsput.o obj-$(CONFIG_MODULES) += module.o obj-$(CONFIG_PLAT_OAKS32R) += setup_oaks32r.o io_oaks32r.o +obj-$(CONFIG_PLAT_M32104UT) += setup_m32104ut.o io_m32104ut.o EXTRA_AFLAGS := -traditional diff --git a/arch/m32r/kernel/entry.S b/arch/m32r/kernel/entry.S index 396c942..3871b65 100644 --- a/arch/m32r/kernel/entry.S +++ b/arch/m32r/kernel/entry.S @@ -315,7 +315,7 @@ ENTRY(ei_handler) mv r1, sp ; arg1(regs) #if defined(CONFIG_CHIP_VDEC2) || defined(CONFIG_CHIP_XNUX2) \ || defined(CONFIG_CHIP_M32700) || defined(CONFIG_CHIP_M32102) \ - || defined(CONFIG_CHIP_OPSP) + || defined(CONFIG_CHIP_OPSP) || defined(CONFIG_CHIP_M32104) ; GET_ICU_STATUS; seth r0, #shigh(M32R_ICU_ISTS_ADDR) @@ -541,7 +541,20 @@ check_int2: bra check_end .fillinsn check_end: -#endif /* CONFIG_PLAT_OPSPUT */ +#elif defined(CONFIG_PLAT_M32104UT) + add3 r2, r0, #-(M32R_IRQ_INT1) ; INT1# interrupt + bnez r2, check_end + ; read ICU status register of PLD + seth r0, #high(PLD_ICUISTS) + or3 r0, r0, #low(PLD_ICUISTS) + lduh r0, @r0 + slli r0, #21 + srli r0, #27 ; ISN + addi r0, #(M32104UT_PLD_IRQ_BASE) + bra check_end + .fillinsn +check_end: +#endif /* CONFIG_PLAT_M32104UT */ bl do_IRQ #endif /* CONFIG_SMP */ ld r14, @sp+ @@ -651,8 +664,6 @@ ENTRY(rie_handler) /* void rie_handler(int error_code) */ SWITCH_TO_KERNEL_STACK SAVE_ALL - mvfc r0, bpc - ld r1, @r0 ldi r1, #0x20 ; error_code mv r0, sp ; pt_regs bl do_rie_handler diff --git a/arch/m32r/kernel/io_m32104ut.c b/arch/m32r/kernel/io_m32104ut.c new file mode 100644 index 0000000..d26adab --- /dev/null +++ b/arch/m32r/kernel/io_m32104ut.c @@ -0,0 +1,298 @@ +/* + * linux/arch/m32r/kernel/io_m32104ut.c + * + * Typical I/O routines for M32104UT board. + * + * Copyright (c) 2001-2005 Hiroyuki Kondo, Hirokazu Takata, + * Hitoshi Yamamoto, Mamoru Sakugawa, + * Naoto Sugai, Hayato Fujiwara + */ + +#include <linux/config.h> +#include <asm/m32r.h> +#include <asm/page.h> +#include <asm/io.h> +#include <asm/byteorder.h> + +#if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC) +#include <linux/types.h> + +#define M32R_PCC_IOMAP_SIZE 0x1000 + +#define M32R_PCC_IOSTART0 0x1000 +#define M32R_PCC_IOEND0 (M32R_PCC_IOSTART0 + M32R_PCC_IOMAP_SIZE - 1) + +extern void pcc_ioread_byte(int, unsigned long, void *, size_t, size_t, int); +extern void pcc_ioread_word(int, unsigned long, void *, size_t, size_t, int); +extern void pcc_iowrite_byte(int, unsigned long, void *, size_t, size_t, int); +extern void pcc_iowrite_word(int, unsigned long, void *, size_t, size_t, int); +#endif /* CONFIG_PCMCIA && CONFIG_M32R_CFC */ + +#define PORT2ADDR(port) _port2addr(port) + +static inline void *_port2addr(unsigned long port) +{ + return (void *)(port | NONCACHE_OFFSET); +} + +#if defined(CONFIG_IDE) && !defined(CONFIG_M32R_CFC) +static inline void *__port2addr_ata(unsigned long port) +{ + static int dummy_reg; + + switch (port) { + case 0x1f0: return (void *)(0x0c002000 | NONCACHE_OFFSET); + case 0x1f1: return (void *)(0x0c012800 | NONCACHE_OFFSET); + case 0x1f2: return (void *)(0x0c012002 | NONCACHE_OFFSET); + case 0x1f3: return (void *)(0x0c012802 | NONCACHE_OFFSET); + case 0x1f4: return (void *)(0x0c012004 | NONCACHE_OFFSET); + case 0x1f5: return (void *)(0x0c012804 | NONCACHE_OFFSET); + case 0x1f6: return (void *)(0x0c012006 | NONCACHE_OFFSET); + case 0x1f7: return (void *)(0x0c012806 | NONCACHE_OFFSET); + case 0x3f6: return (void *)(0x0c01200e | NONCACHE_OFFSET); + default: return (void *)&dummy_reg; + } +} +#endif + +/* + * M32104T-LAN is located in the extended bus space + * from 0x01000000 to 0x01ffffff on physical address. + * The base address of LAN controller(LAN91C111) is 0x300. + */ +#define LAN_IOSTART (0x300 | NONCACHE_OFFSET) +#define LAN_IOEND (0x320 | NONCACHE_OFFSET) +static inline void *_port2addr_ne(unsigned long port) +{ + return (void *)(port + NONCACHE_OFFSET + 0x01000000); +} + +static inline void delay(void) +{ + __asm__ __volatile__ ("push r0; \n\t pop r0;" : : :"memory"); +} + +/* + * NIC I/O function + */ + +#define PORT2ADDR_NE(port) _port2addr_ne(port) + +static inline unsigned char _ne_inb(void *portp) +{ + return *(volatile unsigned char *)portp; +} + +static inline unsigned short _ne_inw(void *portp) +{ + return (unsigned short)le16_to_cpu(*(volatile unsigned short *)portp); +} + +static inline void _ne_insb(void *portp, void *addr, unsigned long count) +{ + unsigned char *buf = (unsigned char *)addr; + + while (count--) + *buf++ = _ne_inb(portp); +} + +static inline void _ne_outb(unsigned char b, void *portp) +{ + *(volatile unsigned char *)portp = b; +} + +static inline void _ne_outw(unsigned short w, void *portp) +{ + *(volatile unsigned short *)portp = cpu_to_le16(w); +} + +unsigned char _inb(unsigned long port) +{ + if (port >= LAN_IOSTART && port < LAN_IOEND) + return _ne_inb(PORT2ADDR_NE(port)); + + return *(volatile unsigned char *)PORT2ADDR(port); +} + +unsigned short _inw(unsigned long port) +{ + if (port >= LAN_IOSTART && port < LAN_IOEND) + return _ne_inw(PORT2ADDR_NE(port)); + + return *(volatile unsigned short *)PORT2ADDR(port); +} + +unsigned long _inl(unsigned long port) +{ + return *(volatile unsigned long *)PORT2ADDR(port); +} + +unsigned char _inb_p(unsigned long port) +{ + unsigned char v = _inb(port); + delay(); + return (v); +} + +unsigned short _inw_p(unsigned long port) +{ + unsigned short v = _inw(port); + delay(); + return (v); +} + +unsigned long _inl_p(unsigned long port) +{ + unsigned long v = _inl(port); + delay(); + return (v); +} + +void _outb(unsigned char b, unsigned long port) +{ + if (port >= LAN_IOSTART && port < LAN_IOEND) + _ne_outb(b, PORT2ADDR_NE(port)); + else + *(volatile unsigned char *)PORT2ADDR(port) = b; +} + +void _outw(unsigned short w, unsigned long port) +{ + if (port >= LAN_IOSTART && port < LAN_IOEND) + _ne_outw(w, PORT2ADDR_NE(port)); + else + *(volatile unsigned short *)PORT2ADDR(port) = w; +} + +void _outl(unsigned long l, unsigned long port) +{ + *(volatile unsigned long *)PORT2ADDR(port) = l; +} + +void _outb_p(unsigned char b, unsigned long port) +{ + _outb(b, port); + delay(); +} + +void _outw_p(unsigned short w, unsigned long port) +{ + _outw(w, port); + delay(); +} + +void _outl_p(unsigned long l, unsigned long port) +{ + _outl(l, port); + delay(); +} + +void _insb(unsigned int port, void *addr, unsigned long count) +{ + if (port >= LAN_IOSTART && port < LAN_IOEND) + _ne_insb(PORT2ADDR_NE(port), addr, count); + else { + unsigned char *buf = addr; + unsigned char *portp = PORT2ADDR(port); + while (count--) + *buf++ = *(volatile unsigned char *)portp; + } +} + +void _insw(unsigned int port, void *addr, unsigned long count) +{ + unsigned short *buf = addr; + unsigned short *portp; + + if (port >= LAN_IOSTART && port < LAN_IOEND) { + /* + * This portion is only used by smc91111.c to read data + * from the DATA_REG. Do not swap the data. + */ + portp = PORT2ADDR_NE(port); + while (count--) + *buf++ = *(volatile unsigned short *)portp; +#if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC) + } else if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) { + pcc_ioread_word(9, port, (void *)addr, sizeof(unsigned short), + count, 1); +#endif +#if defined(CONFIG_IDE) && !defined(CONFIG_M32R_CFC) + } else if ((port >= 0x1f0 && port <=0x1f7) || port == 0x3f6) { + portp = __port2addr_ata(port); + while (count--) + *buf++ = *(volatile unsigned short *)portp; +#endif + } else { + portp = PORT2ADDR(port); + while (count--) + *buf++ = *(volatile unsigned short *)portp; + } +} + +void _insl(unsigned int port, void *addr, unsigned long count) +{ + unsigned long *buf = addr; + unsigned long *portp; + + portp = PORT2ADDR(port); + while (count--) + *buf++ = *(volatile unsigned long *)portp; +} + +void _outsb(unsigned int port, const void *addr, unsigned long count) +{ + const unsigned char *buf = addr; + unsigned char *portp; + + if (port >= LAN_IOSTART && port < LAN_IOEND) { + portp = PORT2ADDR_NE(port); + while (count--) + _ne_outb(*buf++, portp); + } else { + portp = PORT2ADDR(port); + while (count--) + *(volatile unsigned char *)portp = *buf++; + } +} + +void _outsw(unsigned int port, const void *addr, unsigned long count) +{ + const unsigned short *buf = addr; + unsigned short *portp; + + if (port >= LAN_IOSTART && port < LAN_IOEND) { + /* + * This portion is only used by smc91111.c to write data + * into the DATA_REG. Do not swap the data. + */ + portp = PORT2ADDR_NE(port); + while (count--) + *(volatile unsigned short *)portp = *buf++; +#if defined(CONFIG_IDE) && !defined(CONFIG_M32R_CFC) + } else if ((port >= 0x1f0 && port <=0x1f7) || port == 0x3f6) { + portp = __port2addr_ata(port); + while (count--) + *(volatile unsigned short *)portp = *buf++; +#endif +#if defined(CONFIG_PCMCIA) && defined(CONFIG_M32R_CFC) + } else if (port >= M32R_PCC_IOSTART0 && port <= M32R_PCC_IOEND0) { + pcc_iowrite_word(9, port, (void *)addr, sizeof(unsigned short), + count, 1); +#endif + } else { + portp = PORT2ADDR(port); + while (count--) + *(volatile unsigned short *)portp = *buf++; + } +} + +void _outsl(unsigned int port, const void *addr, unsigned long count) +{ + const unsigned long *buf = addr; + unsigned char *portp; + + portp = PORT2ADDR(port); + while (count--) + *(volatile unsigned long *)portp = *buf++; +} diff --git a/arch/m32r/kernel/io_m32700ut.c b/arch/m32r/kernel/io_m32700ut.c index eda9f96..939932d 100644 --- a/arch/m32r/kernel/io_m32700ut.c +++ b/arch/m32r/kernel/io_m32700ut.c @@ -36,7 +36,7 @@ extern void pcc_iowrite_word(int, unsigned long, void *, size_t, size_t, int); static inline void *_port2addr(unsigned long port) { - return (void *)(port + NONCACHE_OFFSET); + return (void *)(port | NONCACHE_OFFSET); } #if defined(CONFIG_IDE) && !defined(CONFIG_M32R_CFC) @@ -45,15 +45,15 @@ static inline void *__port2addr_ata(unsigned long port) static int dummy_reg; switch (port) { - case 0x1f0: return (void *)0xac002000; - case 0x1f1: return (void *)0xac012800; - case 0x1f2: return (void *)0xac012002; - case 0x1f3: return (void *)0xac012802; - case 0x1f4: return (void *)0xac012004; - case 0x1f5: return (void *)0xac012804; - case 0x1f6: return (void *)0xac012006; - case 0x1f7: return (void *)0xac012806; - case 0x3f6: return (void *)0xac01200e; + case 0x1f0: return (void *)(0x0c002000 | NONCACHE_OFFSET); + case 0x1f1: return (void *)(0x0c012800 | NONCACHE_OFFSET); + case 0x1f2: return (void *)(0x0c012002 | NONCACHE_OFFSET); + case 0x1f3: return (void *)(0x0c012802 | NONCACHE_OFFSET); + case 0x1f4: return (void *)(0x0c012004 | NONCACHE_OFFSET); + case 0x1f5: return (void *)(0x0c012804 | NONCACHE_OFFSET); + case 0x1f6: return (void *)(0x0c012006 | NONCACHE_OFFSET); + case 0x1f7: return (void *)(0x0c012806 | NONCACHE_OFFSET); + case 0x3f6: return (void *)(0x0c01200e | NONCACHE_OFFSET); default: return (void *)&dummy_reg; } } @@ -64,8 +64,8 @@ static inline void *__port2addr_ata(unsigned long port) * from 0x10000000 to 0x13ffffff on physical address. * The base address of LAN controller(LAN91C111) is 0x300. */ -#define LAN_IOSTART 0xa0000300 -#define LAN_IOEND 0xa0000320 +#define LAN_IOSTART (0x300 | NONCACHE_OFFSET) +#define LAN_IOEND (0x320 | NONCACHE_OFFSET) static inline void *_port2addr_ne(unsigned long port) { return (void *)(port + 0x10000000); diff --git a/arch/m32r/kernel/io_mappi.c b/arch/m32r/kernel/io_mappi.c index 3c3da04..a662b53 100644 --- a/arch/m32r/kernel/io_mappi.c +++ b/arch/m32r/kernel/io_mappi.c @@ -31,7 +31,7 @@ extern void pcc_iowrite(int, unsigned long, void *, size_t, size_t, int); static inline void *_port2addr(unsigned long port) { - return (void *)(port | (NONCACHE_OFFSET)); + return (void *)(port | NONCACHE_OFFSET); } static inline void *_port2addr_ne(unsigned long port) diff --git a/arch/m32r/kernel/io_mappi2.c b/arch/m32r/kernel/io_mappi2.c index df3c729..e72d725 100644 --- a/arch/m32r/kernel/io_mappi2.c +++ b/arch/m32r/kernel/io_mappi2.c @@ -33,7 +33,7 @@ extern void pcc_iowrite_word(int, unsigned long, void *, size_t, size_t, int); static inline void *_port2addr(unsigned long port) { - return (void *)(port | (NONCACHE_OFFSET)); + return (void *)(port | NONCACHE_OFFSET); } #if defined(CONFIG_IDE) && !defined(CONFIG_M32R_CFC) @@ -42,22 +42,22 @@ static inline void *__port2addr_ata(unsigned long port) static int dummy_reg; switch (port) { - case 0x1f0: return (void *)0xac002000; - case 0x1f1: return (void *)0xac012800; - case 0x1f2: return (void *)0xac012002; - case 0x1f3: return (void *)0xac012802; - case 0x1f4: return (void *)0xac012004; - case 0x1f5: return (void *)0xac012804; - case 0x1f6: return (void *)0xac012006; - case 0x1f7: return (void *)0xac012806; - case 0x3f6: return (void *)0xac01200e; + case 0x1f0: return (void *)(0x0c002000 | NONCACHE_OFFSET); + case 0x1f1: return (void *)(0x0c012800 | NONCACHE_OFFSET); + case 0x1f2: return (void *)(0x0c012002 | NONCACHE_OFFSET); + case 0x1f3: return (void *)(0x0c012802 | NONCACHE_OFFSET); + case 0x1f4: return (void *)(0x0c012004 | NONCACHE_OFFSET); + case 0x1f5: return (void *)(0x0c012804 | NONCACHE_OFFSET); + case 0x1f6: return (void *)(0x0c012006 | NONCACHE_OFFSET); + case 0x1f7: return (void *)(0x0c012806 | NONCACHE_OFFSET); + case 0x3f6: return (void *)(0x0c01200e | NONCACHE_OFFSET); default: return (void *)&dummy_reg; } } #endif -#define LAN_IOSTART 0xa0000300 -#define LAN_IOEND 0xa0000320 +#define LAN_IOSTART (0x300 | NONCACHE_OFFSET) +#define LAN_IOEND (0x320 | NONCACHE_OFFSET) #ifdef CONFIG_CHIP_OPSP static inline void *_port2addr_ne(unsigned long port) { diff --git a/arch/m32r/kernel/io_mappi3.c b/arch/m32r/kernel/io_mappi3.c index f80321a..ed6da93 100644 --- a/arch/m32r/kernel/io_mappi3.c +++ b/arch/m32r/kernel/io_mappi3.c @@ -33,7 +33,7 @@ extern void pcc_iowrite_word(int, unsigned long, void *, size_t, size_t, int); static inline void *_port2addr(unsigned long port) { - return (void *)(port + NONCACHE_OFFSET); + return (void *)(port | NONCACHE_OFFSET); } #if defined(CONFIG_IDE) @@ -43,33 +43,42 @@ static inline void *__port2addr_ata(unsigned long port) switch (port) { /* IDE0 CF */ - case 0x1f0: return (void *)0xb4002000; - case 0x1f1: return (void *)0xb4012800; - case 0x1f2: return (void *)0xb4012002; - case 0x1f3: return (void *)0xb4012802; - case 0x1f4: return (void *)0xb4012004; - case 0x1f5: return (void *)0xb4012804; - case 0x1f6: return (void *)0xb4012006; - case 0x1f7: return (void *)0xb4012806; - case 0x3f6: return (void *)0xb401200e; + case 0x1f0: return (void *)(0x14002000 | NONCACHE_OFFSET); + case 0x1f1: return (void *)(0x14012800 | NONCACHE_OFFSET); + case 0x1f2: return (void *)(0x14012002 | NONCACHE_OFFSET); + case 0x1f3: return (void *)(0x14012802 | NONCACHE_OFFSET); + case 0x1f4: return (void *)(0x14012004 | NONCACHE_OFFSET); + case 0x1f5: return (void *)(0x14012804 | NONCACHE_OFFSET); + case 0x1f6: return (void *)(0x14012006 | NONCACHE_OFFSET); + case 0x1f7: return (void *)(0x14012806 | NONCACHE_OFFSET); + case 0x3f6: return (void *)(0x1401200e | NONCACHE_OFFSET); /* IDE1 IDE */ - case 0x170: return (void *)0xb4810000; /* Data 16bit */ - case 0x171: return (void *)0xb4810002; /* Features / Error */ - case 0x172: return (void *)0xb4810004; /* Sector count */ - case 0x173: return (void *)0xb4810006; /* Sector number */ - case 0x174: return (void *)0xb4810008; /* Cylinder low */ - case 0x175: return (void *)0xb481000a; /* Cylinder high */ - case 0x176: return (void *)0xb481000c; /* Device head */ - case 0x177: return (void *)0xb481000e; /* Command */ - case 0x376: return (void *)0xb480800c; /* Device control / Alt status */ + case 0x170: /* Data 16bit */ + return (void *)(0x14810000 | NONCACHE_OFFSET); + case 0x171: /* Features / Error */ + return (void *)(0x14810002 | NONCACHE_OFFSET); + case 0x172: /* Sector count */ + return (void *)(0x14810004 | NONCACHE_OFFSET); + case 0x173: /* Sector number */ + return (void *)(0x14810006 | NONCACHE_OFFSET); + case 0x174: /* Cylinder low */ + return (void *)(0x14810008 | NONCACHE_OFFSET); + case 0x175: /* Cylinder high */ + return (void *)(0x1481000a | NONCACHE_OFFSET); + case 0x176: /* Device head */ + return (void *)(0x1481000c | NONCACHE_OFFSET); + case 0x177: /* Command */ + return (void *)(0x1481000e | NONCACHE_OFFSET); + case 0x376: /* Device control / Alt status */ + return (void *)(0x1480800c | NONCACHE_OFFSET); default: return (void *)&dummy_reg; } } #endif -#define LAN_IOSTART 0xa0000300 -#define LAN_IOEND 0xa0000320 +#define LAN_IOSTART (0x300 | NONCACHE_OFFSET) +#define LAN_IOEND (0x320 | NONCACHE_OFFSET) static inline void *_port2addr_ne(unsigned long port) { return (void *)(port + 0x10000000); diff --git a/arch/m32r/kernel/io_oaks32r.c b/arch/m32r/kernel/io_oaks32r.c index 8be3239..910dd13 100644 --- a/arch/m32r/kernel/io_oaks32r.c +++ b/arch/m32r/kernel/io_oaks32r.c @@ -16,7 +16,7 @@ static inline void *_port2addr(unsigned long port) { - return (void *)(port | (NONCACHE_OFFSET)); + return (void *)(port | NONCACHE_OFFSET); } static inline void *_port2addr_ne(unsigned long port) diff --git a/arch/m32r/kernel/io_opsput.c b/arch/m32r/kernel/io_opsput.c index 4793bd1..bec6929 100644 --- a/arch/m32r/kernel/io_opsput.c +++ b/arch/m32r/kernel/io_opsput.c @@ -36,7 +36,7 @@ extern void pcc_iowrite_word(int, unsigned long, void *, size_t, size_t, int); static inline void *_port2addr(unsigned long port) { - return (void *)(port | (NONCACHE_OFFSET)); + return (void *)(port | NONCACHE_OFFSET); } /* @@ -44,8 +44,8 @@ static inline void *_port2addr(unsigned long port) * from 0x10000000 to 0x13ffffff on physical address. * The base address of LAN controller(LAN91C111) is 0x300. */ -#define LAN_IOSTART 0xa0000300 -#define LAN_IOEND 0xa0000320 +#define LAN_IOSTART (0x300 | NONCACHE_OFFSET) +#define LAN_IOEND (0x320 | NONCACHE_OFFSET) static inline void *_port2addr_ne(unsigned long port) { return (void *)(port + 0x10000000); diff --git a/arch/m32r/kernel/setup.c b/arch/m32r/kernel/setup.c index f722ec8..c2e4dcc 100644 --- a/arch/m32r/kernel/setup.c +++ b/arch/m32r/kernel/setup.c @@ -320,6 +320,9 @@ static int show_cpuinfo(struct seq_file *m, void *v) #elif defined(CONFIG_CHIP_MP) seq_printf(m, "cpu family\t: M32R-MP\n" "cache size\t: I-xxKB/D-xxKB\n"); +#elif defined(CONFIG_CHIP_M32104) + seq_printf(m,"cpu family\t: M32104\n" + "cache size\t: I-8KB/D-8KB\n"); #else seq_printf(m, "cpu family\t: Unknown\n"); #endif @@ -340,6 +343,8 @@ static int show_cpuinfo(struct seq_file *m, void *v) seq_printf(m, "Machine\t\t: uServer\n"); #elif defined(CONFIG_PLAT_OAKS32R) seq_printf(m, "Machine\t\t: OAKS32R\n"); +#elif defined(CONFIG_PLAT_M32104UT) + seq_printf(m, "Machine\t\t: M3T-M32104UT uT Engine board\n"); #else seq_printf(m, "Machine\t\t: Unknown\n"); #endif @@ -389,7 +394,7 @@ unsigned long cpu_initialized __initdata = 0; */ #if defined(CONFIG_CHIP_VDEC2) || defined(CONFIG_CHIP_XNUX2) \ || defined(CONFIG_CHIP_M32700) || defined(CONFIG_CHIP_M32102) \ - || defined(CONFIG_CHIP_OPSP) + || defined(CONFIG_CHIP_OPSP) || defined(CONFIG_CHIP_M32104) void __init cpu_init (void) { int cpu_id = smp_processor_id(); diff --git a/arch/m32r/kernel/setup_m32104ut.c b/arch/m32r/kernel/setup_m32104ut.c new file mode 100644 index 0000000..6328e13 --- /dev/null +++ b/arch/m32r/kernel/setup_m32104ut.c @@ -0,0 +1,156 @@ +/* + * linux/arch/m32r/kernel/setup_m32104ut.c + * + * Setup routines for M32104UT Board + * + * Copyright (c) 2002-2005 Hiroyuki Kondo, Hirokazu Takata, + * Hitoshi Yamamoto, Mamoru Sakugawa, + * Naoto Sugai, Hayato Fujiwara + */ + +#include <linux/config.h> +#include <linux/irq.h> +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/device.h> + +#include <asm/system.h> +#include <asm/m32r.h> +#include <asm/io.h> + +#define irq2port(x) (M32R_ICU_CR1_PORTL + ((x - 1) * sizeof(unsigned long))) + +icu_data_t icu_data[NR_IRQS]; + +static void disable_m32104ut_irq(unsigned int irq) +{ + unsigned long port, data; + + port = irq2port(irq); + data = icu_data[irq].icucr|M32R_ICUCR_ILEVEL7; + outl(data, port); +} + +static void enable_m32104ut_irq(unsigned int irq) +{ + unsigned long port, data; + + port = irq2port(irq); + data = icu_data[irq].icucr|M32R_ICUCR_IEN|M32R_ICUCR_ILEVEL6; + outl(data, port); +} + +static void mask_and_ack_m32104ut(unsigned int irq) +{ + disable_m32104ut_irq(irq); +} + +static void end_m32104ut_irq(unsigned int irq) +{ + enable_m32104ut_irq(irq); +} + +static unsigned int startup_m32104ut_irq(unsigned int irq) +{ + enable_m32104ut_irq(irq); + return (0); +} + +static void shutdown_m32104ut_irq(unsigned int irq) +{ + unsigned long port; + + port = irq2port(irq); + outl(M32R_ICUCR_ILEVEL7, port); +} + +static struct hw_interrupt_type m32104ut_irq_type = +{ + .typename = "M32104UT-IRQ", + .startup = startup_m32104ut_irq, + .shutdown = shutdown_m32104ut_irq, + .enable = enable_m32104ut_irq, + .disable = disable_m32104ut_irq, + .ack = mask_and_ack_m32104ut, + .end = end_m32104ut_irq +}; + +void __init init_IRQ(void) +{ + static int once = 0; + + if (once) + return; + else + once++; + +#if defined(CONFIG_SMC91X) + /* INT#0: LAN controller on M32104UT-LAN (SMC91C111)*/ + irq_desc[M32R_IRQ_INT0].status = IRQ_DISABLED; + irq_desc[M32R_IRQ_INT0].handler = &m32104ut_irq_type; + irq_desc[M32R_IRQ_INT0].action = 0; + irq_desc[M32R_IRQ_INT0].depth = 1; + icu_data[M32R_IRQ_INT0].icucr = M32R_ICUCR_IEN | M32R_ICUCR_ISMOD11; /* "H" level sense */ + disable_m32104ut_irq(M32R_IRQ_INT0); +#endif /* CONFIG_SMC91X */ + + /* MFT2 : system timer */ + irq_desc[M32R_IRQ_MFT2].status = IRQ_DISABLED; + irq_desc[M32R_IRQ_MFT2].handler = &m32104ut_irq_type; + irq_desc[M32R_IRQ_MFT2].action = 0; + irq_desc[M32R_IRQ_MFT2].depth = 1; + icu_data[M32R_IRQ_MFT2].icucr = M32R_ICUCR_IEN; + disable_m32104ut_irq(M32R_IRQ_MFT2); + +#ifdef CONFIG_SERIAL_M32R_SIO + /* SIO0_R : uart receive data */ + irq_desc[M32R_IRQ_SIO0_R].status = IRQ_DISABLED; + irq_desc[M32R_IRQ_SIO0_R].handler = &m32104ut_irq_type; + irq_desc[M32R_IRQ_SIO0_R].action = 0; + irq_desc[M32R_IRQ_SIO0_R].depth = 1; + icu_data[M32R_IRQ_SIO0_R].icucr = M32R_ICUCR_IEN; + disable_m32104ut_irq(M32R_IRQ_SIO0_R); + + /* SIO0_S : uart send data */ + irq_desc[M32R_IRQ_SIO0_S].status = IRQ_DISABLED; + irq_desc[M32R_IRQ_SIO0_S].handler = &m32104ut_irq_type; + irq_desc[M32R_IRQ_SIO0_S].action = 0; + irq_desc[M32R_IRQ_SIO0_S].depth = 1; + icu_data[M32R_IRQ_SIO0_S].icucr = M32R_ICUCR_IEN; + disable_m32104ut_irq(M32R_IRQ_SIO0_S); +#endif /* CONFIG_SERIAL_M32R_SIO */ +} + +#if defined(CONFIG_SMC91X) + +#define LAN_IOSTART 0x300 +#define LAN_IOEND 0x320 +static struct resource smc91x_resources[] = { + [0] = { + .start = (LAN_IOSTART), + .end = (LAN_IOEND), + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = M32R_IRQ_INT0, + .end = M32R_IRQ_INT0, + .flags = IORESOURCE_IRQ, + } +}; + +static struct platform_device smc91x_device = { + .name = "smc91x", + .id = 0, + .num_resources = ARRAY_SIZE(smc91x_resources), + .resource = smc91x_resources, +}; +#endif + +static int __init platform_init(void) +{ +#if defined(CONFIG_SMC91X) + platform_device_register(&smc91x_device); +#endif + return 0; +} +arch_initcall(platform_init); diff --git a/arch/m32r/kernel/setup_m32700ut.c b/arch/m32r/kernel/setup_m32700ut.c index cb76916..fad1fc9 100644 --- a/arch/m32r/kernel/setup_m32700ut.c +++ b/arch/m32r/kernel/setup_m32700ut.c @@ -26,15 +26,7 @@ */ #define irq2port(x) (M32R_ICU_CR1_PORTL + ((x - 1) * sizeof(unsigned long))) -#ifndef CONFIG_SMP -typedef struct { - unsigned long icucr; /* ICU Control Register */ -} icu_data_t; -static icu_data_t icu_data[M32700UT_NUM_CPU_IRQ]; -#else icu_data_t icu_data[M32700UT_NUM_CPU_IRQ]; -#endif /* CONFIG_SMP */ - static void disable_m32700ut_irq(unsigned int irq) { diff --git a/arch/m32r/kernel/setup_mappi.c b/arch/m32r/kernel/setup_mappi.c index 501d798..00f2532 100644 --- a/arch/m32r/kernel/setup_mappi.c +++ b/arch/m32r/kernel/setup_mappi.c @@ -19,12 +19,6 @@ #define irq2port(x) (M32R_ICU_CR1_PORTL + ((x - 1) * sizeof(unsigned long))) -#ifndef CONFIG_SMP -typedef struct { - unsigned long icucr; /* ICU Control Register */ -} icu_data_t; -#endif /* CONFIG_SMP */ - icu_data_t icu_data[NR_IRQS]; static void disable_mappi_irq(unsigned int irq) diff --git a/arch/m32r/kernel/setup_mappi2.c b/arch/m32r/kernel/setup_mappi2.c index 7f2db5b..eebc9d8 100644 --- a/arch/m32r/kernel/setup_mappi2.c +++ b/arch/m32r/kernel/setup_mappi2.c @@ -19,12 +19,6 @@ #define irq2port(x) (M32R_ICU_CR1_PORTL + ((x - 1) * sizeof(unsigned long))) -#ifndef CONFIG_SMP -typedef struct { - unsigned long icucr; /* ICU Control Register */ -} icu_data_t; -#endif /* CONFIG_SMP */ - icu_data_t icu_data[NR_IRQS]; static void disable_mappi2_irq(unsigned int irq) diff --git a/arch/m32r/kernel/setup_mappi3.c b/arch/m32r/kernel/setup_mappi3.c index f6ecdf7..d2ff021 100644 --- a/arch/m32r/kernel/setup_mappi3.c +++ b/arch/m32r/kernel/setup_mappi3.c @@ -19,12 +19,6 @@ #define irq2port(x) (M32R_ICU_CR1_PORTL + ((x - 1) * sizeof(unsigned long))) -#ifndef CONFIG_SMP -typedef struct { - unsigned long icucr; /* ICU Control Register */ -} icu_data_t; -#endif /* CONFIG_SMP */ - icu_data_t icu_data[NR_IRQS]; static void disable_mappi3_irq(unsigned int irq) diff --git a/arch/m32r/kernel/setup_oaks32r.c b/arch/m32r/kernel/setup_oaks32r.c index 45add5b..0e9e635 100644 --- a/arch/m32r/kernel/setup_oaks32r.c +++ b/arch/m32r/kernel/setup_oaks32r.c @@ -18,12 +18,6 @@ #define irq2port(x) (M32R_ICU_CR1_PORTL + ((x - 1) * sizeof(unsigned long))) -#ifndef CONFIG_SMP -typedef struct { - unsigned long icucr; /* ICU Control Register */ -} icu_data_t; -#endif /* CONFIG_SMP */ - icu_data_t icu_data[NR_IRQS]; static void disable_oaks32r_irq(unsigned int irq) diff --git a/arch/m32r/kernel/setup_opsput.c b/arch/m32r/kernel/setup_opsput.c index 1fbb140..548e8fc 100644 --- a/arch/m32r/kernel/setup_opsput.c +++ b/arch/m32r/kernel/setup_opsput.c @@ -27,15 +27,7 @@ */ #define irq2port(x) (M32R_ICU_CR1_PORTL + ((x - 1) * sizeof(unsigned long))) -#ifndef CONFIG_SMP -typedef struct { - unsigned long icucr; /* ICU Control Register */ -} icu_data_t; -static icu_data_t icu_data[OPSPUT_NUM_CPU_IRQ]; -#else icu_data_t icu_data[OPSPUT_NUM_CPU_IRQ]; -#endif /* CONFIG_SMP */ - static void disable_opsput_irq(unsigned int irq) { diff --git a/arch/m32r/kernel/setup_usrv.c b/arch/m32r/kernel/setup_usrv.c index 634741b..64be659 100644 --- a/arch/m32r/kernel/setup_usrv.c +++ b/arch/m32r/kernel/setup_usrv.c @@ -18,12 +18,6 @@ #define irq2port(x) (M32R_ICU_CR1_PORTL + ((x - 1) * sizeof(unsigned long))) -#if !defined(CONFIG_SMP) -typedef struct { - unsigned long icucr; /* ICU Control Register */ -} icu_data_t; -#endif /* CONFIG_SMP */ - icu_data_t icu_data[M32700UT_NUM_CPU_IRQ]; static void disable_mappi_irq(unsigned int irq) diff --git a/arch/m32r/kernel/time.c b/arch/m32r/kernel/time.c index 2ebce20..b8e68b5 100644 --- a/arch/m32r/kernel/time.c +++ b/arch/m32r/kernel/time.c @@ -57,7 +57,7 @@ static unsigned long do_gettimeoffset(void) #if defined(CONFIG_CHIP_M32102) || defined(CONFIG_CHIP_XNUX2) \ || defined(CONFIG_CHIP_VDEC2) || defined(CONFIG_CHIP_M32700) \ - || defined(CONFIG_CHIP_OPSP) + || defined(CONFIG_CHIP_OPSP) || defined(CONFIG_CHIP_M32104) #ifndef CONFIG_SMP unsigned long count; @@ -268,7 +268,7 @@ void __init time_init(void) #if defined(CONFIG_CHIP_M32102) || defined(CONFIG_CHIP_XNUX2) \ || defined(CONFIG_CHIP_VDEC2) || defined(CONFIG_CHIP_M32700) \ - || defined(CONFIG_CHIP_OPSP) + || defined(CONFIG_CHIP_OPSP) || defined(CONFIG_CHIP_M32104) /* M32102 MFT setup */ setup_irq(M32R_IRQ_MFT2, &irq0); diff --git a/arch/m32r/m32104ut/defconfig.m32104ut b/arch/m32r/m32104ut/defconfig.m32104ut new file mode 100644 index 0000000..454de33 --- /dev/null +++ b/arch/m32r/m32104ut/defconfig.m32104ut @@ -0,0 +1,657 @@ +# +# Automatically generated make config: don't edit +# Linux kernel version: 2.6.14 +# Wed Nov 9 16:04:51 2005 +# +CONFIG_M32R=y +# CONFIG_UID16 is not set +CONFIG_GENERIC_ISA_DMA=y +CONFIG_GENERIC_HARDIRQS=y +CONFIG_GENERIC_IRQ_PROBE=y + +# +# Code maturity level options +# +CONFIG_EXPERIMENTAL=y +CONFIG_CLEAN_COMPILE=y +CONFIG_BROKEN_ON_SMP=y +CONFIG_INIT_ENV_ARG_LIMIT=32 + +# +# General setup +# +CONFIG_LOCALVERSION="" +CONFIG_LOCALVERSION_AUTO=y +# CONFIG_POSIX_MQUEUE is not set +# CONFIG_BSD_PROCESS_ACCT is not set +CONFIG_SYSCTL=y +# CONFIG_AUDIT is not set +CONFIG_HOTPLUG=y +# CONFIG_KOBJECT_UEVENT is not set +# CONFIG_IKCONFIG is not set +CONFIG_INITRAMFS_SOURCE="" +CONFIG_EMBEDDED=y +# CONFIG_KALLSYMS is not set +CONFIG_PRINTK=y +CONFIG_BUG=y +CONFIG_BASE_FULL=y +# CONFIG_FUTEX is not set +# CONFIG_EPOLL is not set +# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set +CONFIG_CC_ALIGN_FUNCTIONS=0 +CONFIG_CC_ALIGN_LABELS=0 +CONFIG_CC_ALIGN_LOOPS=0 +CONFIG_CC_ALIGN_JUMPS=0 +CONFIG_TINY_SHMEM=y +CONFIG_BASE_SMALL=0 + +# +# Loadable module support +# +# CONFIG_MODULES is not set + +# +# Processor type and features +# +# CONFIG_PLAT_MAPPI is not set +# CONFIG_PLAT_USRV is not set +# CONFIG_PLAT_M32700UT is not set +# CONFIG_PLAT_OPSPUT is not set +# CONFIG_PLAT_OAKS32R is not set +# CONFIG_PLAT_MAPPI2 is not set +# CONFIG_PLAT_MAPPI3 is not set +CONFIG_PLAT_M32104UT=y +# CONFIG_CHIP_M32700 is not set +# CONFIG_CHIP_M32102 is not set +CONFIG_CHIP_M32104=y +# CONFIG_CHIP_VDEC2 is not set +# CONFIG_CHIP_OPSP is not set +CONFIG_ISA_M32R=y +CONFIG_BUS_CLOCK=54000000 +CONFIG_TIMER_DIVIDE=128 +# CONFIG_CPU_LITTLE_ENDIAN is not set +CONFIG_MEMORY_START=04000000 +CONFIG_MEMORY_SIZE=01000000 +CONFIG_NOHIGHMEM=y +# CONFIG_ARCH_DISCONTIGMEM_ENABLE is not set +CONFIG_SELECT_MEMORY_MODEL=y +CONFIG_FLATMEM_MANUAL=y +# CONFIG_DISCONTIGMEM_MANUAL is not set +# CONFIG_SPARSEMEM_MANUAL is not set +CONFIG_FLATMEM=y +CONFIG_FLAT_NODE_MEM_MAP=y +# CONFIG_SPARSEMEM_STATIC is not set +CONFIG_RWSEM_GENERIC_SPINLOCK=y +# CONFIG_RWSEM_XCHGADD_ALGORITHM is not set +CONFIG_GENERIC_CALIBRATE_DELAY=y +# CONFIG_PREEMPT is not set +# CONFIG_SMP is not set + +# +# Bus options (PCI, PCMCIA, EISA, MCA, ISA) +# +# CONFIG_ISA is not set + +# +# PCCARD (PCMCIA/CardBus) support +# +CONFIG_PCCARD=y +# CONFIG_PCMCIA_DEBUG is not set +CONFIG_PCMCIA=y +CONFIG_PCMCIA_LOAD_CIS=y +CONFIG_PCMCIA_IOCTL=y + +# +# PC-card bridges +# + +# +# PCI Hotplug Support +# + +# +# Executable file formats +# +CONFIG_BINFMT_FLAT=y +# CONFIG_BINFMT_ZFLAT is not set +# CONFIG_BINFMT_SHARED_FLAT is not set +# CONFIG_BINFMT_MISC is not set + +# +# Networking +# +CONFIG_NET=y + +# +# Networking options +# +# CONFIG_PACKET is not set +CONFIG_UNIX=y +# CONFIG_NET_KEY is not set +CONFIG_INET=y +# CONFIG_IP_MULTICAST is not set +# CONFIG_IP_ADVANCED_ROUTER is not set +CONFIG_IP_FIB_HASH=y +CONFIG_IP_PNP=y +CONFIG_IP_PNP_DHCP=y +# CONFIG_IP_PNP_BOOTP is not set +# CONFIG_IP_PNP_RARP is not set +# CONFIG_NET_IPIP is not set +# CONFIG_NET_IPGRE is not set +# CONFIG_ARPD is not set +# CONFIG_SYN_COOKIES is not set +# CONFIG_INET_AH is not set +# CONFIG_INET_ESP is not set +# CONFIG_INET_IPCOMP is not set +# CONFIG_INET_TUNNEL is not set +CONFIG_INET_DIAG=y +CONFIG_INET_TCP_DIAG=y +# CONFIG_TCP_CONG_ADVANCED is not set +CONFIG_TCP_CONG_BIC=y +# CONFIG_IPV6 is not set +# CONFIG_NETFILTER is not set + +# +# DCCP Configuration (EXPERIMENTAL) +# +# CONFIG_IP_DCCP is not set + +# +# SCTP Configuration (EXPERIMENTAL) +# +# CONFIG_IP_SCTP is not set +# CONFIG_ATM is not set +# CONFIG_BRIDGE is not set +# CONFIG_VLAN_8021Q is not set +# CONFIG_DECNET is not set +# CONFIG_LLC2 is not set +# CONFIG_IPX is not set +# CONFIG_ATALK is not set +# CONFIG_X25 is not set +# CONFIG_LAPB is not set +# CONFIG_NET_DIVERT is not set +# CONFIG_ECONET is not set +# CONFIG_WAN_ROUTER is not set +# CONFIG_NET_SCHED is not set +# CONFIG_NET_CLS_ROUTE is not set + +# +# Network testing +# +# CONFIG_NET_PKTGEN is not set +# CONFIG_HAMRADIO is not set +# CONFIG_IRDA is not set +# CONFIG_BT is not set +# CONFIG_IEEE80211 is not set + +# +# Device Drivers +# + +# +# Generic Driver Options +# +CONFIG_STANDALONE=y +CONFIG_PREVENT_FIRMWARE_BUILD=y +CONFIG_FW_LOADER=y +# CONFIG_DEBUG_DRIVER is not set + +# +# Connector - unified userspace <-> kernelspace linker +# +# CONFIG_CONNECTOR is not set + +# +# Memory Technology Devices (MTD) +# +# CONFIG_MTD is not set + +# +# Parallel port support +# +# CONFIG_PARPORT is not set + +# +# Plug and Play support +# + +# +# Block devices +# +# CONFIG_BLK_DEV_COW_COMMON is not set +CONFIG_BLK_DEV_LOOP=y +# CONFIG_BLK_DEV_CRYPTOLOOP is not set +CONFIG_BLK_DEV_NBD=y +CONFIG_BLK_DEV_RAM=y +CONFIG_BLK_DEV_RAM_COUNT=16 +CONFIG_BLK_DEV_RAM_SIZE=4096 +CONFIG_BLK_DEV_INITRD=y +# CONFIG_CDROM_PKTCDVD is not set + +# +# IO Schedulers +# +CONFIG_IOSCHED_NOOP=y +# CONFIG_IOSCHED_AS is not set +# CONFIG_IOSCHED_DEADLINE is not set +# CONFIG_IOSCHED_CFQ is not set +# CONFIG_ATA_OVER_ETH is not set + +# +# ATA/ATAPI/MFM/RLL support +# +# CONFIG_IDE is not set + +# +# SCSI device support +# +# CONFIG_RAID_ATTRS is not set +# CONFIG_SCSI is not set + +# +# Multi-device support (RAID and LVM) +# +# CONFIG_MD is not set + +# +# Fusion MPT device support +# +# CONFIG_FUSION is not set + +# +# IEEE 1394 (FireWire) support +# + +# +# I2O device support +# + +# +# Network device support +# +CONFIG_NETDEVICES=y +CONFIG_DUMMY=y +# CONFIG_BONDING is not set +# CONFIG_EQUALIZER is not set +# CONFIG_TUN is not set + +# +# PHY device support +# +# CONFIG_PHYLIB is not set + +# +# Ethernet (10 or 100Mbit) +# +CONFIG_NET_ETHERNET=y +CONFIG_MII=y +CONFIG_SMC91X=y +# CONFIG_NE2000 is not set + +# +# Ethernet (1000 Mbit) +# + +# +# Ethernet (10000 Mbit) +# + +# +# Token Ring devices +# + +# +# Wireless LAN (non-hamradio) +# +# CONFIG_NET_RADIO is not set + +# +# PCMCIA network device support +# +# CONFIG_NET_PCMCIA is not set + +# +# Wan interfaces +# +# CONFIG_WAN is not set +# CONFIG_PPP is not set +# CONFIG_SLIP is not set +# CONFIG_SHAPER is not set +# CONFIG_NETCONSOLE is not set +# CONFIG_NETPOLL is not set +# CONFIG_NET_POLL_CONTROLLER is not set + +# +# ISDN subsystem +# +# CONFIG_ISDN is not set + +# +# Telephony Support +# +# CONFIG_PHONE is not set + +# +# Input device support +# +# CONFIG_INPUT is not set + +# +# Hardware I/O ports +# +# CONFIG_SERIO is not set +# CONFIG_GAMEPORT is not set + +# +# Character devices +# +# CONFIG_VT is not set +# CONFIG_SERIAL_NONSTANDARD is not set + +# +# Serial drivers +# +# CONFIG_SERIAL_8250 is not set + +# +# Non-8250 serial port support +# +CONFIG_SERIAL_CORE=y +CONFIG_SERIAL_CORE_CONSOLE=y +CONFIG_SERIAL_M32R_SIO=y +CONFIG_SERIAL_M32R_SIO_CONSOLE=y +CONFIG_UNIX98_PTYS=y +CONFIG_LEGACY_PTYS=y +CONFIG_LEGACY_PTY_COUNT=256 + +# +# IPMI +# +# CONFIG_IPMI_HANDLER is not set + +# +# Watchdog Cards +# +CONFIG_WATCHDOG=y +# CONFIG_WATCHDOG_NOWAYOUT is not set + +# +# Watchdog Device Drivers +# +CONFIG_SOFT_WATCHDOG=y +# CONFIG_RTC is not set +# CONFIG_DTLK is not set +# CONFIG_R3964 is not set + +# +# Ftape, the floppy tape device driver +# + +# +# PCMCIA character devices +# +# CONFIG_SYNCLINK_CS is not set +# CONFIG_RAW_DRIVER is not set + +# +# TPM devices +# + +# +# I2C support +# +# CONFIG_I2C is not set + +# +# Dallas's 1-wire bus +# +# CONFIG_W1 is not set + +# +# Hardware Monitoring support +# +# CONFIG_HWMON is not set +# CONFIG_HWMON_VID is not set + +# +# Misc devices +# + +# +# Multimedia Capabilities Port drivers +# + +# +# Multimedia devices +# +# CONFIG_VIDEO_DEV is not set + +# +# Digital Video Broadcasting Devices +# +# CONFIG_DVB is not set + +# +# Graphics support +# +# CONFIG_FB is not set + +# +# Sound +# +# CONFIG_SOUND is not set + +# +# USB support +# +# CONFIG_USB_ARCH_HAS_HCD is not set +# CONFIG_USB_ARCH_HAS_OHCI is not set + +# +# USB Gadget Support +# +# CONFIG_USB_GADGET is not set + +# +# MMC/SD Card support +# +# CONFIG_MMC is not set + +# +# InfiniBand support +# + +# +# SN Devices +# + +# +# File systems +# +CONFIG_EXT2_FS=y +# CONFIG_EXT2_FS_XATTR is not set +# CONFIG_EXT2_FS_XIP is not set +CONFIG_EXT3_FS=y +CONFIG_EXT3_FS_XATTR=y +CONFIG_EXT3_FS_POSIX_ACL=y +# CONFIG_EXT3_FS_SECURITY is not set +CONFIG_JBD=y +# CONFIG_JBD_DEBUG is not set +CONFIG_FS_MBCACHE=y +# CONFIG_REISERFS_FS is not set +# CONFIG_JFS_FS is not set +CONFIG_FS_POSIX_ACL=y +# CONFIG_XFS_FS is not set +# CONFIG_MINIX_FS is not set +# CONFIG_ROMFS_FS is not set +# CONFIG_INOTIFY is not set +# CONFIG_QUOTA is not set +CONFIG_DNOTIFY=y +# CONFIG_AUTOFS_FS is not set +# CONFIG_AUTOFS4_FS is not set +# CONFIG_FUSE_FS is not set + +# +# CD-ROM/DVD Filesystems +# +# CONFIG_ISO9660_FS is not set +# CONFIG_UDF_FS is not set + +# +# DOS/FAT/NT Filesystems +# +CONFIG_FAT_FS=y +CONFIG_MSDOS_FS=y +CONFIG_VFAT_FS=y +CONFIG_FAT_DEFAULT_CODEPAGE=932 +CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1" +# CONFIG_NTFS_FS is not set + +# +# Pseudo filesystems +# +CONFIG_PROC_FS=y +CONFIG_SYSFS=y +CONFIG_TMPFS=y +# CONFIG_HUGETLB_PAGE is not set +CONFIG_RAMFS=y +# CONFIG_RELAYFS_FS is not set + +# +# Miscellaneous filesystems +# +# CONFIG_ADFS_FS is not set +# CONFIG_AFFS_FS is not set +# CONFIG_HFS_FS is not set +# CONFIG_HFSPLUS_FS is not set +# CONFIG_BEFS_FS is not set +# CONFIG_BFS_FS is not set +# CONFIG_EFS_FS is not set +CONFIG_CRAMFS=y +# CONFIG_VXFS_FS is not set +# CONFIG_HPFS_FS is not set +# CONFIG_QNX4FS_FS is not set +# CONFIG_SYSV_FS is not set +# CONFIG_UFS_FS is not set + +# +# Network File Systems +# +CONFIG_NFS_FS=y +CONFIG_NFS_V3=y +# CONFIG_NFS_V3_ACL is not set +# CONFIG_NFS_V4 is not set +# CONFIG_NFS_DIRECTIO is not set +# CONFIG_NFSD is not set +CONFIG_ROOT_NFS=y +CONFIG_LOCKD=y +CONFIG_LOCKD_V4=y +CONFIG_NFS_COMMON=y +CONFIG_SUNRPC=y +# CONFIG_RPCSEC_GSS_KRB5 is not set +# CONFIG_RPCSEC_GSS_SPKM3 is not set +# CONFIG_SMB_FS is not set +# CONFIG_CIFS is not set +# CONFIG_NCP_FS is not set +# CONFIG_CODA_FS is not set +# CONFIG_AFS_FS is not set +# CONFIG_9P_FS is not set + +# +# Partition Types +# +# CONFIG_PARTITION_ADVANCED is not set +CONFIG_MSDOS_PARTITION=y + +# +# Native Language Support +# +CONFIG_NLS=y +CONFIG_NLS_DEFAULT="iso8859-1" +CONFIG_NLS_CODEPAGE_437=y +# CONFIG_NLS_CODEPAGE_737 is not set +# CONFIG_NLS_CODEPAGE_775 is not set +# CONFIG_NLS_CODEPAGE_850 is not set +# CONFIG_NLS_CODEPAGE_852 is not set +# CONFIG_NLS_CODEPAGE_855 is not set +# CONFIG_NLS_CODEPAGE_857 is not set +# CONFIG_NLS_CODEPAGE_860 is not set +# CONFIG_NLS_CODEPAGE_861 is not set +# CONFIG_NLS_CODEPAGE_862 is not set +# CONFIG_NLS_CODEPAGE_863 is not set +# CONFIG_NLS_CODEPAGE_864 is not set +# CONFIG_NLS_CODEPAGE_865 is not set +# CONFIG_NLS_CODEPAGE_866 is not set +# CONFIG_NLS_CODEPAGE_869 is not set +# CONFIG_NLS_CODEPAGE_936 is not set +# CONFIG_NLS_CODEPAGE_950 is not set +CONFIG_NLS_CODEPAGE_932=y +# CONFIG_NLS_CODEPAGE_949 is not set +# CONFIG_NLS_CODEPAGE_874 is not set +# CONFIG_NLS_ISO8859_8 is not set +# CONFIG_NLS_CODEPAGE_1250 is not set +# CONFIG_NLS_CODEPAGE_1251 is not set +# CONFIG_NLS_ASCII is not set +# CONFIG_NLS_ISO8859_1 is not set +# CONFIG_NLS_ISO8859_2 is not set +# CONFIG_NLS_ISO8859_3 is not set +# CONFIG_NLS_ISO8859_4 is not set +# CONFIG_NLS_ISO8859_5 is not set +# CONFIG_NLS_ISO8859_6 is not set +# CONFIG_NLS_ISO8859_7 is not set +# CONFIG_NLS_ISO8859_9 is not set +# CONFIG_NLS_ISO8859_13 is not set +# CONFIG_NLS_ISO8859_14 is not set +# CONFIG_NLS_ISO8859_15 is not set +# CONFIG_NLS_KOI8_R is not set +# CONFIG_NLS_KOI8_U is not set +CONFIG_NLS_UTF8=y + +# +# Profiling support +# +# CONFIG_PROFILING is not set + +# +# Kernel hacking +# +# CONFIG_PRINTK_TIME is not set +CONFIG_DEBUG_KERNEL=y +CONFIG_MAGIC_SYSRQ=y +CONFIG_LOG_BUF_SHIFT=14 +CONFIG_DETECT_SOFTLOCKUP=y +# CONFIG_SCHEDSTATS is not set +# CONFIG_DEBUG_SLAB is not set +# CONFIG_DEBUG_SPINLOCK is not set +# CONFIG_DEBUG_SPINLOCK_SLEEP is not set +# CONFIG_DEBUG_KOBJECT is not set +# CONFIG_DEBUG_BUGVERBOSE is not set +CONFIG_DEBUG_INFO=y +# CONFIG_DEBUG_FS is not set +# CONFIG_FRAME_POINTER is not set +# CONFIG_DEBUG_STACKOVERFLOW is not set +# CONFIG_DEBUG_STACK_USAGE is not set + +# +# Security options +# +# CONFIG_KEYS is not set +# CONFIG_SECURITY is not set + +# +# Cryptographic options +# +# CONFIG_CRYPTO is not set + +# +# Hardware crypto devices +# + +# +# Library routines +# +# CONFIG_CRC_CCITT is not set +# CONFIG_CRC16 is not set +CONFIG_CRC32=y +CONFIG_LIBCRC32C=y +CONFIG_ZLIB_INFLATE=y diff --git a/arch/m32r/mm/cache.c b/arch/m32r/mm/cache.c index 31b0789..9f54dd9 100644 --- a/arch/m32r/mm/cache.c +++ b/arch/m32r/mm/cache.c @@ -1,7 +1,7 @@ /* * linux/arch/m32r/mm/cache.c * - * Copyright (C) 2002 Hirokazu Takata + * Copyright (C) 2002-2005 Hirokazu Takata, Hayato Fujiwara */ #include <linux/config.h> @@ -9,7 +9,8 @@ #undef MCCR -#if defined(CONFIG_CHIP_XNUX2) || defined(CONFIG_CHIP_M32700) || defined(CONFIG_CHIP_VDEC2) || defined(CONFIG_CHIP_OPSP) +#if defined(CONFIG_CHIP_XNUX2) || defined(CONFIG_CHIP_M32700) \ + || defined(CONFIG_CHIP_VDEC2) || defined(CONFIG_CHIP_OPSP) /* Cache Control Register */ #define MCCR ((volatile unsigned long*)0xfffffffc) #define MCCR_CC (1UL << 7) /* Cache mode modify bit */ @@ -26,7 +27,17 @@ #define MCCR ((volatile unsigned char*)0xfffffffe) #define MCCR_IIV (1UL << 0) /* I-cache invalidate */ #define MCCR_ICACHE_INV MCCR_IIV -#endif /* CONFIG_CHIP_XNUX2 || CONFIG_CHIP_M32700 */ +#elif defined(CONFIG_CHIP_M32104) +#define MCCR ((volatile unsigned short*)0xfffffffe) +#define MCCR_IIV (1UL << 8) /* I-cache invalidate */ +#define MCCR_DIV (1UL << 9) /* D-cache invalidate */ +#define MCCR_DCB (1UL << 10) /* D-cache copy back */ +#define MCCR_ICM (1UL << 0) /* I-cache mode [0:off,1:on] */ +#define MCCR_DCM (1UL << 1) /* D-cache mode [0:off,1:on] */ +#define MCCR_ICACHE_INV MCCR_IIV +#define MCCR_DCACHE_CB MCCR_DCB +#define MCCR_DCACHE_CBINV (MCCR_DIV|MCCR_DCB) +#endif #ifndef MCCR #error Unknown cache type. @@ -37,29 +48,42 @@ void _flush_cache_all(void) { #if defined(CONFIG_CHIP_M32102) + unsigned char mccr; *MCCR = MCCR_ICACHE_INV; +#elif defined(CONFIG_CHIP_M32104) + unsigned short mccr; + + /* Copyback and invalidate D-cache */ + /* Invalidate I-cache */ + *MCCR |= (MCCR_ICACHE_INV | MCCR_DCACHE_CBINV); #else unsigned long mccr; /* Copyback and invalidate D-cache */ /* Invalidate I-cache */ *MCCR = MCCR_ICACHE_INV | MCCR_DCACHE_CBINV; - while ((mccr = *MCCR) & MCCR_IIV); /* loop while invalidating... */ #endif + while ((mccr = *MCCR) & MCCR_IIV); /* loop while invalidating... */ } /* Copy back D-cache and invalidate I-cache all */ void _flush_cache_copyback_all(void) { #if defined(CONFIG_CHIP_M32102) + unsigned char mccr; *MCCR = MCCR_ICACHE_INV; +#elif defined(CONFIG_CHIP_M32104) + unsigned short mccr; + + /* Copyback and invalidate D-cache */ + /* Invalidate I-cache */ + *MCCR |= (MCCR_ICACHE_INV | MCCR_DCACHE_CB); #else unsigned long mccr; /* Copyback D-cache */ /* Invalidate I-cache */ *MCCR = MCCR_ICACHE_INV | MCCR_DCACHE_CB; - while ((mccr = *MCCR) & MCCR_IIV); /* loop while invalidating... */ - #endif + while ((mccr = *MCCR) & MCCR_IIV); /* loop while invalidating... */ } diff --git a/arch/m68knommu/kernel/m68k_ksyms.c b/arch/m68knommu/kernel/m68k_ksyms.c index e93a5ad..b2c62ee 100644 --- a/arch/m68knommu/kernel/m68k_ksyms.c +++ b/arch/m68knommu/kernel/m68k_ksyms.c @@ -38,8 +38,6 @@ EXPORT_SYMBOL(strncmp); EXPORT_SYMBOL(ip_fast_csum); -EXPORT_SYMBOL(mach_enable_irq); -EXPORT_SYMBOL(mach_disable_irq); EXPORT_SYMBOL(kernel_thread); /* Networking helper routines. */ diff --git a/arch/m68knommu/kernel/setup.c b/arch/m68knommu/kernel/setup.c index abb80fa..93120b9 100644 --- a/arch/m68knommu/kernel/setup.c +++ b/arch/m68knommu/kernel/setup.c @@ -65,8 +65,6 @@ void (*mach_kbd_leds) (unsigned int) = NULL; /* machine dependent irq functions */ void (*mach_init_IRQ) (void) = NULL; irqreturn_t (*(*mach_default_handler)[]) (int, void *, struct pt_regs *) = NULL; -void (*mach_enable_irq) (unsigned int) = NULL; -void (*mach_disable_irq) (unsigned int) = NULL; int (*mach_get_irq_list) (struct seq_file *, void *) = NULL; void (*mach_process_int) (int irq, struct pt_regs *fp) = NULL; void (*mach_trap_init) (void); diff --git a/arch/mips/kernel/linux32.c b/arch/mips/kernel/linux32.c index 330cf84..60353f5 100644 --- a/arch/mips/kernel/linux32.c +++ b/arch/mips/kernel/linux32.c @@ -420,7 +420,7 @@ asmlinkage ssize_t sys32_pread(unsigned int fd, char * buf, goto out; pos = merge_64(a4, a5); ret = rw_verify_area(READ, file, &pos, count); - if (ret) + if (ret < 0) goto out; ret = -EINVAL; if (!file->f_op || !(read = file->f_op->read)) @@ -455,7 +455,7 @@ asmlinkage ssize_t sys32_pwrite(unsigned int fd, const char * buf, goto out; pos = merge_64(a4, a5); ret = rw_verify_area(WRITE, file, &pos, count); - if (ret) + if (ret < 0) goto out; ret = -EINVAL; if (!file->f_op || !(write = file->f_op->write)) diff --git a/arch/mips/mm/init.c b/arch/mips/mm/init.c index 3a49036..4ee91c9 100644 --- a/arch/mips/mm/init.c +++ b/arch/mips/mm/init.c @@ -67,8 +67,8 @@ unsigned long setup_zero_pages(void) page = virt_to_page(empty_zero_page); while (page < virt_to_page(empty_zero_page + (PAGE_SIZE << order))) { - set_bit(PG_reserved, &page->flags); - reset_page_mapcount(page); + SetPageReserved(page); + set_page_count(page, 1); page++; } diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index bb2efdd..db93dbc 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -227,7 +227,7 @@ config SMP If you don't know what to do here, say N. config NR_CPUS - int "Maximum number of CPUs (2-32)" + int "Maximum number of CPUs (2-128)" range 2 128 depends on SMP default "32" if PPC64 diff --git a/arch/powerpc/configs/cell_defconfig b/arch/powerpc/configs/cell_defconfig index 4b43341..b657f7e 100644 --- a/arch/powerpc/configs/cell_defconfig +++ b/arch/powerpc/configs/cell_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.15-rc1 -# Tue Nov 15 14:36:20 2005 +# Linux kernel version: 2.6.15-rc5 +# Tue Dec 20 15:59:26 2005 # CONFIG_PPC64=y CONFIG_64BIT=y @@ -53,6 +53,7 @@ CONFIG_KOBJECT_UEVENT=y # CONFIG_IKCONFIG is not set # CONFIG_CPUSETS is not set CONFIG_INITRAMFS_SOURCE="" +CONFIG_CC_OPTIMIZE_FOR_SIZE=y # CONFIG_EMBEDDED is not set CONFIG_KALLSYMS=y # CONFIG_KALLSYMS_ALL is not set @@ -151,7 +152,7 @@ CONFIG_FLATMEM_MANUAL=y CONFIG_FLATMEM=y CONFIG_FLAT_NODE_MEM_MAP=y # CONFIG_SPARSEMEM_STATIC is not set -CONFIG_SPLIT_PTLOCK_CPUS=4096 +CONFIG_SPLIT_PTLOCK_CPUS=4 # CONFIG_PPC_64K_PAGES is not set CONFIG_SCHED_SMT=y CONFIG_PROC_DEVICETREE=y diff --git a/arch/powerpc/configs/g5_defconfig b/arch/powerpc/configs/g5_defconfig index e7c23e3..3c22ccb 100644 --- a/arch/powerpc/configs/g5_defconfig +++ b/arch/powerpc/configs/g5_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.15-rc1 -# Tue Nov 15 14:39:20 2005 +# Linux kernel version: 2.6.15-rc5 +# Tue Dec 20 15:59:30 2005 # CONFIG_PPC64=y CONFIG_64BIT=y @@ -53,6 +53,7 @@ CONFIG_IKCONFIG=y CONFIG_IKCONFIG_PROC=y # CONFIG_CPUSETS is not set CONFIG_INITRAMFS_SOURCE="" +CONFIG_CC_OPTIMIZE_FOR_SIZE=y # CONFIG_EMBEDDED is not set CONFIG_KALLSYMS=y # CONFIG_KALLSYMS_ALL is not set @@ -162,7 +163,7 @@ CONFIG_FLATMEM_MANUAL=y CONFIG_FLATMEM=y CONFIG_FLAT_NODE_MEM_MAP=y # CONFIG_SPARSEMEM_STATIC is not set -CONFIG_SPLIT_PTLOCK_CPUS=4096 +CONFIG_SPLIT_PTLOCK_CPUS=4 # CONFIG_PPC_64K_PAGES is not set # CONFIG_SCHED_SMT is not set CONFIG_PROC_DEVICETREE=y @@ -1203,6 +1204,7 @@ CONFIG_USB_MON=y CONFIG_USB_SERIAL=m CONFIG_USB_SERIAL_GENERIC=y # CONFIG_USB_SERIAL_AIRPRIME is not set +# CONFIG_USB_SERIAL_ANYDATA is not set CONFIG_USB_SERIAL_BELKIN=m CONFIG_USB_SERIAL_DIGI_ACCELEPORT=m # CONFIG_USB_SERIAL_CP2101 is not set @@ -1233,7 +1235,6 @@ CONFIG_USB_SERIAL_KEYSPAN_USA49WLC=y CONFIG_USB_SERIAL_KLSI=m CONFIG_USB_SERIAL_KOBIL_SCT=m CONFIG_USB_SERIAL_MCT_U232=m -# CONFIG_USB_SERIAL_NOKIA_DKU2 is not set CONFIG_USB_SERIAL_PL2303=m # CONFIG_USB_SERIAL_HP4X is not set CONFIG_USB_SERIAL_SAFE=m diff --git a/arch/powerpc/configs/iseries_defconfig b/arch/powerpc/configs/iseries_defconfig index 5d08667..751a622 100644 --- a/arch/powerpc/configs/iseries_defconfig +++ b/arch/powerpc/configs/iseries_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.15-rc1 -# Tue Nov 15 14:38:09 2005 +# Linux kernel version: 2.6.15-rc5 +# Tue Dec 20 15:59:32 2005 # CONFIG_PPC64=y CONFIG_64BIT=y @@ -55,6 +55,7 @@ CONFIG_IKCONFIG=y CONFIG_IKCONFIG_PROC=y # CONFIG_CPUSETS is not set CONFIG_INITRAMFS_SOURCE="" +CONFIG_CC_OPTIMIZE_FOR_SIZE=y # CONFIG_EMBEDDED is not set CONFIG_KALLSYMS=y # CONFIG_KALLSYMS_ALL is not set @@ -144,7 +145,7 @@ CONFIG_FLATMEM_MANUAL=y CONFIG_FLATMEM=y CONFIG_FLAT_NODE_MEM_MAP=y # CONFIG_SPARSEMEM_STATIC is not set -CONFIG_SPLIT_PTLOCK_CPUS=4096 +CONFIG_SPLIT_PTLOCK_CPUS=4 # CONFIG_PPC_64K_PAGES is not set # CONFIG_SCHED_SMT is not set CONFIG_PROC_DEVICETREE=y diff --git a/arch/powerpc/configs/maple_defconfig b/arch/powerpc/configs/maple_defconfig index 92e4261..07b6d3d 100644 --- a/arch/powerpc/configs/maple_defconfig +++ b/arch/powerpc/configs/maple_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.15-rc1 -# Tue Nov 15 14:38:58 2005 +# Linux kernel version: 2.6.15-rc5 +# Tue Dec 20 15:59:36 2005 # CONFIG_PPC64=y CONFIG_64BIT=y @@ -53,6 +53,7 @@ CONFIG_IKCONFIG=y CONFIG_IKCONFIG_PROC=y # CONFIG_CPUSETS is not set CONFIG_INITRAMFS_SOURCE="" +CONFIG_CC_OPTIMIZE_FOR_SIZE=y # CONFIG_EMBEDDED is not set CONFIG_KALLSYMS=y CONFIG_KALLSYMS_ALL=y @@ -149,7 +150,7 @@ CONFIG_FLATMEM_MANUAL=y CONFIG_FLATMEM=y CONFIG_FLAT_NODE_MEM_MAP=y # CONFIG_SPARSEMEM_STATIC is not set -CONFIG_SPLIT_PTLOCK_CPUS=4096 +CONFIG_SPLIT_PTLOCK_CPUS=4 # CONFIG_PPC_64K_PAGES is not set # CONFIG_SCHED_SMT is not set CONFIG_PROC_DEVICETREE=y @@ -242,7 +243,6 @@ CONFIG_TCP_CONG_BIC=y # QoS and/or fair queueing # # CONFIG_NET_SCHED is not set -# CONFIG_NET_CLS_ROUTE is not set # # Network testing @@ -794,6 +794,7 @@ CONFIG_USB_SERIAL=y # CONFIG_USB_SERIAL_CONSOLE is not set CONFIG_USB_SERIAL_GENERIC=y # CONFIG_USB_SERIAL_AIRPRIME is not set +# CONFIG_USB_SERIAL_ANYDATA is not set # CONFIG_USB_SERIAL_BELKIN is not set # CONFIG_USB_SERIAL_DIGI_ACCELEPORT is not set # CONFIG_USB_SERIAL_CP2101 is not set @@ -824,7 +825,6 @@ CONFIG_USB_SERIAL_KEYSPAN_USA49WLC=y # CONFIG_USB_SERIAL_KLSI is not set # CONFIG_USB_SERIAL_KOBIL_SCT is not set # CONFIG_USB_SERIAL_MCT_U232 is not set -# CONFIG_USB_SERIAL_NOKIA_DKU2 is not set # CONFIG_USB_SERIAL_PL2303 is not set # CONFIG_USB_SERIAL_HP4X is not set # CONFIG_USB_SERIAL_SAFE is not set diff --git a/arch/powerpc/configs/ppc64_defconfig b/arch/powerpc/configs/ppc64_defconfig index b5ba3bb..509399e 100644 --- a/arch/powerpc/configs/ppc64_defconfig +++ b/arch/powerpc/configs/ppc64_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.15-rc1 -# Fri Nov 18 16:23:24 2005 +# Linux kernel version: 2.6.15-rc5 +# Tue Dec 20 15:59:38 2005 # CONFIG_PPC64=y CONFIG_64BIT=y @@ -54,6 +54,7 @@ CONFIG_IKCONFIG=y CONFIG_IKCONFIG_PROC=y CONFIG_CPUSETS=y CONFIG_INITRAMFS_SOURCE="" +CONFIG_CC_OPTIMIZE_FOR_SIZE=y # CONFIG_EMBEDDED is not set CONFIG_KALLSYMS=y CONFIG_KALLSYMS_ALL=y @@ -176,7 +177,7 @@ CONFIG_HAVE_MEMORY_PRESENT=y # CONFIG_SPARSEMEM_STATIC is not set CONFIG_SPARSEMEM_EXTREME=y # CONFIG_MEMORY_HOTPLUG is not set -CONFIG_SPLIT_PTLOCK_CPUS=4096 +CONFIG_SPLIT_PTLOCK_CPUS=4 # CONFIG_PPC_64K_PAGES is not set # CONFIG_SCHED_SMT is not set CONFIG_PROC_DEVICETREE=y diff --git a/arch/powerpc/configs/pseries_defconfig b/arch/powerpc/configs/pseries_defconfig index b589b19..a50ce0f 100644 --- a/arch/powerpc/configs/pseries_defconfig +++ b/arch/powerpc/configs/pseries_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.15-rc1 -# Tue Nov 15 14:36:55 2005 +# Linux kernel version: 2.6.15-rc5 +# Tue Dec 20 15:59:40 2005 # CONFIG_PPC64=y CONFIG_64BIT=y @@ -55,6 +55,7 @@ CONFIG_IKCONFIG=y CONFIG_IKCONFIG_PROC=y CONFIG_CPUSETS=y CONFIG_INITRAMFS_SOURCE="" +CONFIG_CC_OPTIMIZE_FOR_SIZE=y # CONFIG_EMBEDDED is not set CONFIG_KALLSYMS=y CONFIG_KALLSYMS_ALL=y @@ -163,7 +164,7 @@ CONFIG_HAVE_MEMORY_PRESENT=y # CONFIG_SPARSEMEM_STATIC is not set CONFIG_SPARSEMEM_EXTREME=y # CONFIG_MEMORY_HOTPLUG is not set -CONFIG_SPLIT_PTLOCK_CPUS=4096 +CONFIG_SPLIT_PTLOCK_CPUS=4 CONFIG_HAVE_ARCH_EARLY_PFN_TO_NID=y # CONFIG_PPC_64K_PAGES is not set CONFIG_SCHED_SMT=y diff --git a/arch/powerpc/kernel/entry_64.S b/arch/powerpc/kernel/entry_64.S index 2d22bf0..bce33a3 100644 --- a/arch/powerpc/kernel/entry_64.S +++ b/arch/powerpc/kernel/entry_64.S @@ -183,8 +183,8 @@ syscall_exit_trace_cont: ld r13,GPR13(r1) /* returning to usermode */ 1: ld r2,GPR2(r1) li r12,MSR_RI - andc r10,r10,r12 - mtmsrd r10,1 /* clear MSR.RI */ + andc r11,r10,r12 + mtmsrd r11,1 /* clear MSR.RI */ ld r1,GPR1(r1) mtlr r4 mtcr r5 diff --git a/arch/powerpc/kernel/kprobes.c b/arch/powerpc/kernel/kprobes.c index 511af54..5368f9c 100644 --- a/arch/powerpc/kernel/kprobes.c +++ b/arch/powerpc/kernel/kprobes.c @@ -177,7 +177,7 @@ static inline int kprobe_handler(struct pt_regs *regs) save_previous_kprobe(kcb); set_current_kprobe(p, regs, kcb); kcb->kprobe_saved_msr = regs->msr; - p->nmissed++; + kprobes_inc_nmissed_count(p); prepare_singlestep(p, regs); kcb->kprobe_status = KPROBE_REENTER; return 1; diff --git a/arch/powerpc/kernel/setup_64.c b/arch/powerpc/kernel/setup_64.c index 608fee7..e3fb783 100644 --- a/arch/powerpc/kernel/setup_64.c +++ b/arch/powerpc/kernel/setup_64.c @@ -102,7 +102,15 @@ int boot_cpuid_phys = 0; dev_t boot_dev; u64 ppc64_pft_size; -struct ppc64_caches ppc64_caches; +/* Pick defaults since we might want to patch instructions + * before we've read this from the device tree. + */ +struct ppc64_caches ppc64_caches = { + .dline_size = 0x80, + .log_dline_size = 7, + .iline_size = 0x80, + .log_iline_size = 7 +}; EXPORT_SYMBOL_GPL(ppc64_caches); /* diff --git a/arch/powerpc/kernel/syscalls.c b/arch/powerpc/kernel/syscalls.c index f72ced1..91b93d9 100644 --- a/arch/powerpc/kernel/syscalls.c +++ b/arch/powerpc/kernel/syscalls.c @@ -247,7 +247,7 @@ long ppc64_personality(unsigned long personality) #define OVERRIDE_MACHINE 0 #endif -static inline int override_machine(char *mach) +static inline int override_machine(char __user *mach) { if (OVERRIDE_MACHINE) { /* change ppc64 to ppc */ diff --git a/arch/powerpc/kernel/vio.c b/arch/powerpc/kernel/vio.c index 71a6add..13c4149 100644 --- a/arch/powerpc/kernel/vio.c +++ b/arch/powerpc/kernel/vio.c @@ -293,6 +293,6 @@ static int vio_hotplug(struct device *dev, char **envp, int num_envp, struct bus_type vio_bus_type = { .name = "vio", - .hotplug = vio_hotplug, + .uevent = vio_hotplug, .match = vio_bus_match, }; diff --git a/arch/powerpc/mm/hash_utils_64.c b/arch/powerpc/mm/hash_utils_64.c index 706e8a6..a606504 100644 --- a/arch/powerpc/mm/hash_utils_64.c +++ b/arch/powerpc/mm/hash_utils_64.c @@ -514,7 +514,7 @@ void __init htab_initialize(void) #undef KB #undef MB -void __init htab_initialize_secondary(void) +void htab_initialize_secondary(void) { if (!platform_is_lpar()) mtspr(SPRN_SDR1, _SDR1); @@ -601,7 +601,7 @@ int hash_page(unsigned long ea, unsigned long access, unsigned long trap) /* Handle hugepage regions */ if (unlikely(in_hugepage_area(mm->context, ea))) { DBG_LOW(" -> huge page !\n"); - return hash_huge_page(mm, access, ea, vsid, local); + return hash_huge_page(mm, access, ea, vsid, local, trap); } /* Get PTE and page size from page tables */ diff --git a/arch/powerpc/mm/hugetlbpage.c b/arch/powerpc/mm/hugetlbpage.c index 6bc9dba..54131b8 100644 --- a/arch/powerpc/mm/hugetlbpage.c +++ b/arch/powerpc/mm/hugetlbpage.c @@ -148,43 +148,63 @@ int is_aligned_hugepage_range(unsigned long addr, unsigned long len) return 0; } +struct slb_flush_info { + struct mm_struct *mm; + u16 newareas; +}; + static void flush_low_segments(void *parm) { - u16 areas = (unsigned long) parm; + struct slb_flush_info *fi = parm; unsigned long i; - asm volatile("isync" : : : "memory"); + BUILD_BUG_ON((sizeof(fi->newareas)*8) != NUM_LOW_AREAS); + + if (current->active_mm != fi->mm) + return; + + /* Only need to do anything if this CPU is working in the same + * mm as the one which has changed */ - BUILD_BUG_ON((sizeof(areas)*8) != NUM_LOW_AREAS); + /* update the paca copy of the context struct */ + get_paca()->context = current->active_mm->context; + asm volatile("isync" : : : "memory"); for (i = 0; i < NUM_LOW_AREAS; i++) { - if (! (areas & (1U << i))) + if (! (fi->newareas & (1U << i))) continue; asm volatile("slbie %0" : : "r" ((i << SID_SHIFT) | SLBIE_C)); } - asm volatile("isync" : : : "memory"); } static void flush_high_segments(void *parm) { - u16 areas = (unsigned long) parm; + struct slb_flush_info *fi = parm; unsigned long i, j; - asm volatile("isync" : : : "memory"); - BUILD_BUG_ON((sizeof(areas)*8) != NUM_HIGH_AREAS); + BUILD_BUG_ON((sizeof(fi->newareas)*8) != NUM_HIGH_AREAS); + if (current->active_mm != fi->mm) + return; + + /* Only need to do anything if this CPU is working in the same + * mm as the one which has changed */ + + /* update the paca copy of the context struct */ + get_paca()->context = current->active_mm->context; + + asm volatile("isync" : : : "memory"); for (i = 0; i < NUM_HIGH_AREAS; i++) { - if (! (areas & (1U << i))) + if (! (fi->newareas & (1U << i))) continue; for (j = 0; j < (1UL << (HTLB_AREA_SHIFT-SID_SHIFT)); j++) asm volatile("slbie %0" :: "r" (((i << HTLB_AREA_SHIFT) - + (j << SID_SHIFT)) | SLBIE_C)); + + (j << SID_SHIFT)) | SLBIE_C)); } - asm volatile("isync" : : : "memory"); } @@ -229,6 +249,7 @@ static int prepare_high_area_for_htlb(struct mm_struct *mm, unsigned long area) static int open_low_hpage_areas(struct mm_struct *mm, u16 newareas) { unsigned long i; + struct slb_flush_info fi; BUILD_BUG_ON((sizeof(newareas)*8) != NUM_LOW_AREAS); BUILD_BUG_ON((sizeof(mm->context.low_htlb_areas)*8) != NUM_LOW_AREAS); @@ -244,19 +265,20 @@ static int open_low_hpage_areas(struct mm_struct *mm, u16 newareas) mm->context.low_htlb_areas |= newareas; - /* update the paca copy of the context struct */ - get_paca()->context = mm->context; - /* the context change must make it to memory before the flush, * so that further SLB misses do the right thing. */ mb(); - on_each_cpu(flush_low_segments, (void *)(unsigned long)newareas, 0, 1); + + fi.mm = mm; + fi.newareas = newareas; + on_each_cpu(flush_low_segments, &fi, 0, 1); return 0; } static int open_high_hpage_areas(struct mm_struct *mm, u16 newareas) { + struct slb_flush_info fi; unsigned long i; BUILD_BUG_ON((sizeof(newareas)*8) != NUM_HIGH_AREAS); @@ -280,7 +302,10 @@ static int open_high_hpage_areas(struct mm_struct *mm, u16 newareas) /* the context change must make it to memory before the flush, * so that further SLB misses do the right thing. */ mb(); - on_each_cpu(flush_high_segments, (void *)(unsigned long)newareas, 0, 1); + + fi.mm = mm; + fi.newareas = newareas; + on_each_cpu(flush_high_segments, &fi, 0, 1); return 0; } @@ -639,8 +664,36 @@ unsigned long hugetlb_get_unmapped_area(struct file *file, unsigned long addr, return -ENOMEM; } +/* + * Called by asm hashtable.S for doing lazy icache flush + */ +static unsigned int hash_huge_page_do_lazy_icache(unsigned long rflags, + pte_t pte, int trap) +{ + struct page *page; + int i; + + if (!pfn_valid(pte_pfn(pte))) + return rflags; + + page = pte_page(pte); + + /* page is dirty */ + if (!test_bit(PG_arch_1, &page->flags) && !PageReserved(page)) { + if (trap == 0x400) { + for (i = 0; i < (HPAGE_SIZE / PAGE_SIZE); i++) + __flush_dcache_icache(page_address(page+i)); + set_bit(PG_arch_1, &page->flags); + } else { + rflags |= HPTE_R_N; + } + } + return rflags; +} + int hash_huge_page(struct mm_struct *mm, unsigned long access, - unsigned long ea, unsigned long vsid, int local) + unsigned long ea, unsigned long vsid, int local, + unsigned long trap) { pte_t *ptep; unsigned long old_pte, new_pte; @@ -691,6 +744,11 @@ int hash_huge_page(struct mm_struct *mm, unsigned long access, rflags = 0x2 | (!(new_pte & _PAGE_RW)); /* _PAGE_EXEC -> HW_NO_EXEC since it's inverted */ rflags |= ((new_pte & _PAGE_EXEC) ? 0 : HPTE_R_N); + if (!cpu_has_feature(CPU_FTR_COHERENT_ICACHE)) + /* No CPU has hugepages but lacks no execute, so we + * don't need to worry about that case */ + rflags = hash_huge_page_do_lazy_icache(rflags, __pte(old_pte), + trap); /* Check if pte already has an hpte (case 2) */ if (unlikely(old_pte & _PAGE_HASHPTE)) { @@ -703,7 +761,8 @@ int hash_huge_page(struct mm_struct *mm, unsigned long access, slot = (hash & htab_hash_mask) * HPTES_PER_GROUP; slot += (old_pte & _PAGE_F_GIX) >> 12; - if (ppc_md.hpte_updatepp(slot, rflags, va, 1, local) == -1) + if (ppc_md.hpte_updatepp(slot, rflags, va, mmu_huge_psize, + local) == -1) old_pte &= ~_PAGE_HPTEFLAGS; } diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c index f72cf87..ba7a305 100644 --- a/arch/powerpc/mm/numa.c +++ b/arch/powerpc/mm/numa.c @@ -125,7 +125,7 @@ void __init get_region(unsigned int nid, unsigned long *start_pfn, /* We didnt find a matching region, return start/end as 0 */ if (*start_pfn == -1UL) - start_pfn = 0; + *start_pfn = 0; } static inline void map_cpu_to_node(int cpu, int node) diff --git a/arch/powerpc/mm/stab.c b/arch/powerpc/mm/stab.c index cfbb4e1..51e7951 100644 --- a/arch/powerpc/mm/stab.c +++ b/arch/powerpc/mm/stab.c @@ -288,11 +288,6 @@ void stab_initialize(unsigned long stab) return; } #endif /* CONFIG_PPC_ISERIES */ -#ifdef CONFIG_PPC_PSERIES - if (platform_is_lpar()) { - plpar_hcall_norets(H_SET_ASR, stabreal); - return; - } -#endif + mtspr(SPRN_ASR, stabreal); } diff --git a/arch/powerpc/platforms/powermac/feature.c b/arch/powerpc/platforms/powermac/feature.c index 0d7fa00..f6e22da 100644 --- a/arch/powerpc/platforms/powermac/feature.c +++ b/arch/powerpc/platforms/powermac/feature.c @@ -1650,11 +1650,19 @@ void pmac_tweak_clock_spreading(int enable) */ if (macio->type == macio_intrepid) { - if (enable) - UN_OUT(UNI_N_CLOCK_SPREADING, 2); - else - UN_OUT(UNI_N_CLOCK_SPREADING, 0); - mdelay(40); + struct device_node *clock = + of_find_node_by_path("/uni-n@f8000000/hw-clock"); + if (clock && get_property(clock, "platform-do-clockspreading", + NULL)) { + printk(KERN_INFO "%sabling clock spreading on Intrepid" + " ASIC\n", enable ? "En" : "Dis"); + if (enable) + UN_OUT(UNI_N_CLOCK_SPREADING, 2); + else + UN_OUT(UNI_N_CLOCK_SPREADING, 0); + mdelay(40); + } + of_node_put(clock); } while (machine_is_compatible("PowerBook5,2") || @@ -1724,6 +1732,9 @@ void pmac_tweak_clock_spreading(int enable) pmac_low_i2c_close(ui2c); break; } + printk(KERN_INFO "%sabling clock spreading on i2c clock chip\n", + enable ? "En" : "Dis"); + pmac_low_i2c_setmode(ui2c, pmac_low_i2c_mode_stdsub); rc = pmac_low_i2c_xfer(ui2c, 0xd2 | pmac_low_i2c_write, 0x80, buffer, 9); DBG("write result: %d,", rc); diff --git a/arch/powerpc/platforms/pseries/iommu.c b/arch/powerpc/platforms/pseries/iommu.c index c78f2b2..2043659 100644 --- a/arch/powerpc/platforms/pseries/iommu.c +++ b/arch/powerpc/platforms/pseries/iommu.c @@ -109,6 +109,9 @@ static void tce_build_pSeriesLP(struct iommu_table *tbl, long tcenum, u64 rc; union tce_entry tce; + tcenum <<= TCE_PAGE_FACTOR; + npages <<= TCE_PAGE_FACTOR; + tce.te_word = 0; tce.te_rpn = (virt_to_abs(uaddr)) >> TCE_SHIFT; tce.te_rdwr = 1; @@ -143,10 +146,7 @@ static void tce_buildmulti_pSeriesLP(struct iommu_table *tbl, long tcenum, union tce_entry tce, *tcep; long l, limit; - tcenum <<= TCE_PAGE_FACTOR; - npages <<= TCE_PAGE_FACTOR; - - if (npages == 1) + if (TCE_PAGE_FACTOR == 0 && npages == 1) return tce_build_pSeriesLP(tbl, tcenum, npages, uaddr, direction); @@ -164,6 +164,9 @@ static void tce_buildmulti_pSeriesLP(struct iommu_table *tbl, long tcenum, __get_cpu_var(tce_page) = tcep; } + tcenum <<= TCE_PAGE_FACTOR; + npages <<= TCE_PAGE_FACTOR; + tce.te_word = 0; tce.te_rpn = (virt_to_abs(uaddr)) >> TCE_SHIFT; tce.te_rdwr = 1; diff --git a/arch/powerpc/platforms/pseries/lpar.c b/arch/powerpc/platforms/pseries/lpar.c index a50e5f3..cf1bc11 100644 --- a/arch/powerpc/platforms/pseries/lpar.c +++ b/arch/powerpc/platforms/pseries/lpar.c @@ -298,18 +298,6 @@ long pSeries_lpar_hpte_insert(unsigned long hpte_group, if (!(vflags & HPTE_V_BOLTED)) DBG_LOW(" hpte_v=%016lx, hpte_r=%016lx\n", hpte_v, hpte_r); -#if 1 - { - int i; - for (i=0;i<8;i++) { - unsigned long w0, w1; - plpar_pte_read(0, hpte_group, &w0, &w1); - BUG_ON (HPTE_V_COMPARE(hpte_v, w0) - && (w0 & HPTE_V_VALID)); - } - } -#endif - /* Now fill in the actual HPTE */ /* Set CEC cookie to 0 */ /* Zero page = 0 */ diff --git a/arch/powerpc/platforms/pseries/xics.c b/arch/powerpc/platforms/pseries/xics.c index 72ac180..0377dec 100644 --- a/arch/powerpc/platforms/pseries/xics.c +++ b/arch/powerpc/platforms/pseries/xics.c @@ -48,11 +48,6 @@ static struct hw_interrupt_type xics_pic = { .set_affinity = xics_set_affinity }; -static struct hw_interrupt_type xics_8259_pic = { - .typename = " XICS/8259", - .ack = xics_mask_and_ack_irq, -}; - /* This is used to map real irq numbers to virtual */ static struct radix_tree_root irq_map = RADIX_TREE_INIT(GFP_ATOMIC); @@ -367,12 +362,7 @@ int xics_get_irq(struct pt_regs *regs) /* for sanity, this had better be < NR_IRQS - 16 */ if (vec == xics_irq_8259_cascade_real) { irq = i8259_irq(regs); - if (irq == -1) { - /* Spurious cascaded interrupt. Still must ack xics */ - xics_end_irq(irq_offset_up(xics_irq_8259_cascade)); - - irq = -1; - } + xics_end_irq(irq_offset_up(xics_irq_8259_cascade)); } else if (vec == XICS_IRQ_SPURIOUS) { irq = -1; } else { @@ -542,6 +532,7 @@ nextnode: xics_irq_8259_cascade_real = *ireg; xics_irq_8259_cascade = virt_irq_create_mapping(xics_irq_8259_cascade_real); + i8259_init(0, 0); of_node_put(np); } @@ -565,12 +556,7 @@ nextnode: #endif /* CONFIG_SMP */ } - xics_8259_pic.enable = i8259_pic.enable; - xics_8259_pic.disable = i8259_pic.disable; - xics_8259_pic.end = i8259_pic.end; - for (i = 0; i < 16; ++i) - get_irq_desc(i)->handler = &xics_8259_pic; - for (; i < NR_IRQS; ++i) + for (i = irq_offset_value(); i < NR_IRQS; ++i) get_irq_desc(i)->handler = &xics_pic; xics_setup_cpu(); @@ -590,7 +576,6 @@ static int __init xics_setup_i8259(void) no_action, 0, "8259 cascade", NULL)) printk(KERN_ERR "xics_setup_i8259: couldn't get 8259 " "cascade\n"); - i8259_init(0, 0); } return 0; } diff --git a/arch/ppc/Kconfig b/arch/ppc/Kconfig index 8fa51b0..cc3f64c 100644 --- a/arch/ppc/Kconfig +++ b/arch/ppc/Kconfig @@ -767,14 +767,14 @@ config CPM2 on it (826x, 827x, 8560). config PPC_CHRP - bool " Common Hardware Reference Platform (CHRP) based machines" + bool depends on PPC_MULTIPLATFORM select PPC_I8259 select PPC_INDIRECT_PCI default y config PPC_PMAC - bool " Apple PowerMac based machines" + bool depends on PPC_MULTIPLATFORM select PPC_INDIRECT_PCI default y @@ -785,7 +785,7 @@ config PPC_PMAC64 default y config PPC_PREP - bool " PowerPC Reference Platform (PReP) based machines" + bool depends on PPC_MULTIPLATFORM select PPC_I8259 select PPC_INDIRECT_PCI diff --git a/arch/ppc/boot/simple/Makefile b/arch/ppc/boot/simple/Makefile index f3e9c53..9533f8d 100644 --- a/arch/ppc/boot/simple/Makefile +++ b/arch/ppc/boot/simple/Makefile @@ -190,6 +190,8 @@ boot-$(CONFIG_REDWOOD_5) += embed_config.o boot-$(CONFIG_REDWOOD_6) += embed_config.o boot-$(CONFIG_8xx) += embed_config.o boot-$(CONFIG_8260) += embed_config.o +boot-$(CONFIG_EP405) += embed_config.o +boot-$(CONFIG_XILINX_ML300) += embed_config.o boot-$(CONFIG_BSEIP) += iic.o boot-$(CONFIG_MBX) += iic.o pci.o qspan_pci.o boot-$(CONFIG_MV64X60) += misc-mv64x60.o diff --git a/arch/ppc/kernel/idle.c b/arch/ppc/kernel/idle.c index 821a75e..1be3ca5 100644 --- a/arch/ppc/kernel/idle.c +++ b/arch/ppc/kernel/idle.c @@ -37,7 +37,6 @@ void default_idle(void) { void (*powersave)(void); - int cpu = smp_processor_id(); powersave = ppc_md.power_save; @@ -47,7 +46,8 @@ void default_idle(void) #ifdef CONFIG_SMP else { set_thread_flag(TIF_POLLING_NRFLAG); - while (!need_resched() && !cpu_is_offline(cpu)) + while (!need_resched() && + !cpu_is_offline(smp_processor_id())) barrier(); clear_thread_flag(TIF_POLLING_NRFLAG); } diff --git a/arch/ppc/kernel/smp.c b/arch/ppc/kernel/smp.c index 43b8fc2..becbfa3 100644 --- a/arch/ppc/kernel/smp.c +++ b/arch/ppc/kernel/smp.c @@ -301,6 +301,10 @@ void __init smp_prepare_cpus(unsigned int max_cpus) /* Probe platform for CPUs: always linear. */ num_cpus = smp_ops->probe(); + + if (num_cpus < 2) + smp_tb_synchronized = 1; + for (i = 0; i < num_cpus; ++i) cpu_set(i, cpu_possible_map); diff --git a/arch/ppc/platforms/4xx/ibm440gx.c b/arch/ppc/platforms/4xx/ibm440gx.c index 956f45e..d24c09e 100644 --- a/arch/ppc/platforms/4xx/ibm440gx.c +++ b/arch/ppc/platforms/4xx/ibm440gx.c @@ -58,7 +58,6 @@ static struct ocp_func_emac_data ibm440gx_emac2_def = { .wol_irq = 65, /* WOL interrupt number */ .mdio_idx = -1, /* No shared MDIO */ .tah_idx = 0, /* TAH device index */ - .jumbo = 1, /* Jumbo frames supported */ }; static struct ocp_func_emac_data ibm440gx_emac3_def = { @@ -72,7 +71,6 @@ static struct ocp_func_emac_data ibm440gx_emac3_def = { .wol_irq = 67, /* WOL interrupt number */ .mdio_idx = -1, /* No shared MDIO */ .tah_idx = 1, /* TAH device index */ - .jumbo = 1, /* Jumbo frames supported */ }; OCP_SYSFS_EMAC_DATA() diff --git a/arch/ppc/platforms/4xx/ibm440sp.c b/arch/ppc/platforms/4xx/ibm440sp.c index feb17e4..71a0117 100644 --- a/arch/ppc/platforms/4xx/ibm440sp.c +++ b/arch/ppc/platforms/4xx/ibm440sp.c @@ -31,7 +31,6 @@ static struct ocp_func_emac_data ibm440sp_emac0_def = { .wol_irq = 61, /* WOL interrupt number */ .mdio_idx = -1, /* No shared MDIO */ .tah_idx = -1, /* No TAH */ - .jumbo = 1, /* Jumbo frames supported */ }; OCP_SYSFS_EMAC_DATA() diff --git a/arch/ppc/platforms/85xx/mpc85xx_cds_common.c b/arch/ppc/platforms/85xx/mpc85xx_cds_common.c index d8991b8..5e8cc5e 100644 --- a/arch/ppc/platforms/85xx/mpc85xx_cds_common.c +++ b/arch/ppc/platforms/85xx/mpc85xx_cds_common.c @@ -130,10 +130,11 @@ mpc85xx_cds_show_cpuinfo(struct seq_file *m) } #ifdef CONFIG_CPM2 -static void cpm2_cascade(int irq, void *dev_id, struct pt_regs *regs) +static irqreturn_t cpm2_cascade(int irq, void *dev_id, struct pt_regs *regs) { while((irq = cpm2_get_irq(regs)) >= 0) __do_IRQ(irq, regs); + return IRQ_HANDLED; } static struct irqaction cpm2_irqaction = { diff --git a/arch/ppc/platforms/lite5200.c b/arch/ppc/platforms/lite5200.c index d44cc99..7ed52dc3 100644 --- a/arch/ppc/platforms/lite5200.c +++ b/arch/ppc/platforms/lite5200.c @@ -196,8 +196,10 @@ platform_init(unsigned long r3, unsigned long r4, unsigned long r5, mpc52xx_set_bat(); /* No ISA bus by default */ +#ifdef CONFIG_PCI isa_io_base = 0; isa_mem_base = 0; +#endif /* Powersave */ /* This is provided as an example on how to do it. But you diff --git a/arch/ppc/platforms/mpc5200.c b/arch/ppc/platforms/mpc5200.c deleted file mode 100644 index a58db43..0000000 --- a/arch/ppc/platforms/mpc5200.c +++ /dev/null @@ -1,53 +0,0 @@ -/* - * arch/ppc/platforms/mpc5200.c - * - * OCP Definitions for the boards based on MPC5200 processor. Contains - * definitions for every common peripherals. (Mostly all but PSCs) - * - * Maintainer : Sylvain Munaut <tnt@246tNt.com> - * - * Copyright 2004 Sylvain Munaut <tnt@246tNt.com> - * - * This file is licensed under the terms of the GNU General Public License - * version 2. This program is licensed "as is" without any warranty of any - * kind, whether express or implied. - */ - -#include <asm/ocp.h> -#include <asm/mpc52xx.h> - - -static struct ocp_fs_i2c_data mpc5200_i2c_def = { - .flags = FS_I2C_CLOCK_5200, -}; - - -/* Here is the core_ocp struct. - * With all the devices common to all board. Even if port multiplexing is - * not setup for them (if the user don't want them, just don't select the - * config option). The potentially conflicting devices (like PSCs) goes in - * board specific file. - */ -struct ocp_def core_ocp[] = { - { - .vendor = OCP_VENDOR_FREESCALE, - .function = OCP_FUNC_IIC, - .index = 0, - .paddr = MPC52xx_I2C1, - .irq = OCP_IRQ_NA, /* MPC52xx_IRQ_I2C1 - Buggy */ - .pm = OCP_CPM_NA, - .additions = &mpc5200_i2c_def, - }, - { - .vendor = OCP_VENDOR_FREESCALE, - .function = OCP_FUNC_IIC, - .index = 1, - .paddr = MPC52xx_I2C2, - .irq = OCP_IRQ_NA, /* MPC52xx_IRQ_I2C2 - Buggy */ - .pm = OCP_CPM_NA, - .additions = &mpc5200_i2c_def, - }, - { /* Terminating entry */ - .vendor = OCP_VENDOR_INVALID - } -}; diff --git a/arch/ppc/platforms/pmac_feature.c b/arch/ppc/platforms/pmac_feature.c index 1e69b05..6b7b3a1 100644 --- a/arch/ppc/platforms/pmac_feature.c +++ b/arch/ppc/platforms/pmac_feature.c @@ -1606,11 +1606,19 @@ void pmac_tweak_clock_spreading(int enable) */ if (macio->type == macio_intrepid) { - if (enable) - UN_OUT(UNI_N_CLOCK_SPREADING, 2); - else - UN_OUT(UNI_N_CLOCK_SPREADING, 0); - mdelay(40); + struct device_node *clock = + of_find_node_by_path("/uni-n@f8000000/hw-clock"); + if (clock && get_property(clock, "platform-do-clockspreading", + NULL)) { + printk(KERN_INFO "%sabling clock spreading on Intrepid" + " ASIC\n", enable ? "En" : "Dis"); + if (enable) + UN_OUT(UNI_N_CLOCK_SPREADING, 2); + else + UN_OUT(UNI_N_CLOCK_SPREADING, 0); + mdelay(40); + } + of_node_put(clock); } while (machine_is_compatible("PowerBook5,2") || @@ -1680,6 +1688,8 @@ void pmac_tweak_clock_spreading(int enable) pmac_low_i2c_close(ui2c); break; } + printk(KERN_INFO "%sabling clock spreading on i2c clock chip\n", + enable ? "En" : "Dis"); pmac_low_i2c_setmode(ui2c, pmac_low_i2c_mode_stdsub); rc = pmac_low_i2c_xfer(ui2c, 0xd2 | pmac_low_i2c_write, 0x80, buffer, 9); DBG("write result: %d,", rc); diff --git a/arch/ppc/syslib/mpc52xx_pci.c b/arch/ppc/syslib/mpc52xx_pci.c index 4ac1908..313c96e 100644 --- a/arch/ppc/syslib/mpc52xx_pci.c +++ b/arch/ppc/syslib/mpc52xx_pci.c @@ -24,6 +24,12 @@ #include <asm/machdep.h> +/* This macro is defined to activate the workaround for the bug + 435 of the MPC5200 (L25R). With it activated, we don't do any + 32 bits configuration access during type-1 cycles */ +#define MPC5200_BUG_435_WORKAROUND + + static int mpc52xx_pci_read_config(struct pci_bus *bus, unsigned int devfn, int offset, int len, u32 *val) @@ -40,17 +46,39 @@ mpc52xx_pci_read_config(struct pci_bus *bus, unsigned int devfn, ((bus->number - hose->bus_offset) << 16) | (devfn << 8) | (offset & 0xfc)); + mb(); + +#ifdef MPC5200_BUG_435_WORKAROUND + if (bus->number != hose->bus_offset) { + switch (len) { + case 1: + value = in_8(((u8 __iomem *)hose->cfg_data) + (offset & 3)); + break; + case 2: + value = in_le16(((u16 __iomem *)hose->cfg_data) + ((offset>>1) & 1)); + break; + + default: + value = in_le16((u16 __iomem *)hose->cfg_data) | + (in_le16(((u16 __iomem *)hose->cfg_data) + 1) << 16); + break; + } + } + else +#endif + { + value = in_le32(hose->cfg_data); - value = in_le32(hose->cfg_data); - - if (len != 4) { - value >>= ((offset & 0x3) << 3); - value &= 0xffffffff >> (32 - (len << 3)); + if (len != 4) { + value >>= ((offset & 0x3) << 3); + value &= 0xffffffff >> (32 - (len << 3)); + } } *val = value; out_be32(hose->cfg_addr, 0); + mb(); return PCIBIOS_SUCCESSFUL; } @@ -71,21 +99,48 @@ mpc52xx_pci_write_config(struct pci_bus *bus, unsigned int devfn, ((bus->number - hose->bus_offset) << 16) | (devfn << 8) | (offset & 0xfc)); + mb(); + +#ifdef MPC5200_BUG_435_WORKAROUND + if (bus->number != hose->bus_offset) { + switch (len) { + case 1: + out_8(((u8 __iomem *)hose->cfg_data) + + (offset & 3), val); + break; + case 2: + out_le16(((u16 __iomem *)hose->cfg_data) + + ((offset>>1) & 1), val); + break; + + default: + out_le16((u16 __iomem *)hose->cfg_data, + (u16)val); + out_le16(((u16 __iomem *)hose->cfg_data) + 1, + (u16)(val>>16)); + break; + } + } + else +#endif + { + if (len != 4) { + value = in_le32(hose->cfg_data); - if (len != 4) { - value = in_le32(hose->cfg_data); + offset = (offset & 0x3) << 3; + mask = (0xffffffff >> (32 - (len << 3))); + mask <<= offset; - offset = (offset & 0x3) << 3; - mask = (0xffffffff >> (32 - (len << 3))); - mask <<= offset; + value &= ~mask; + val = value | ((val << offset) & mask); + } - value &= ~mask; - val = value | ((val << offset) & mask); + out_le32(hose->cfg_data, val); } - - out_le32(hose->cfg_data, val); + mb(); out_be32(hose->cfg_addr, 0); + mb(); return PCIBIOS_SUCCESSFUL; } @@ -99,9 +154,12 @@ static struct pci_ops mpc52xx_pci_ops = { static void __init mpc52xx_pci_setup(struct mpc52xx_pci __iomem *pci_regs) { + u32 tmp; /* Setup control regs */ - /* Nothing to do afaik */ + tmp = in_be32(&pci_regs->scr); + tmp |= PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY; + out_be32(&pci_regs->scr, tmp); /* Setup windows */ out_be32(&pci_regs->iw0btar, MPC52xx_PCI_IWBTAR_TRANSLATION( @@ -142,16 +200,15 @@ mpc52xx_pci_setup(struct mpc52xx_pci __iomem *pci_regs) /* Not necessary and can be a bad thing if for example the bootloader is displaying a splash screen or ... Just left here for documentation purpose if anyone need it */ -#if 0 - u32 tmp; tmp = in_be32(&pci_regs->gscr); +#if 0 out_be32(&pci_regs->gscr, tmp | MPC52xx_PCI_GSCR_PR); udelay(50); - out_be32(&pci_regs->gscr, tmp); #endif + out_be32(&pci_regs->gscr, tmp & ~MPC52xx_PCI_GSCR_PR); } -static void __init +static void mpc52xx_pci_fixup_resources(struct pci_dev *dev) { int i; diff --git a/arch/ppc/syslib/mpc52xx_setup.c b/arch/ppc/syslib/mpc52xx_setup.c index bb237458..a4a4b02 100644 --- a/arch/ppc/syslib/mpc52xx_setup.c +++ b/arch/ppc/syslib/mpc52xx_setup.c @@ -84,9 +84,11 @@ mpc52xx_set_bat(void) void __init mpc52xx_map_io(void) { - /* Here we only map the MBAR */ + /* Here we map the MBAR and the whole upper zone. MBAR is only + 64k but we can't map only 64k with BATs. Map the whole + 0xf0000000 range is ok and helps eventual lpb devices placed there */ io_block_mapping( - MPC52xx_MBAR_VIRT, MPC52xx_MBAR, MPC52xx_MBAR_SIZE, _PAGE_IO); + MPC52xx_MBAR_VIRT, MPC52xx_MBAR, 0x10000000, _PAGE_IO); } diff --git a/arch/ppc/syslib/ppc4xx_dma.c b/arch/ppc/syslib/ppc4xx_dma.c index f15e642..05ccd59 100644 --- a/arch/ppc/syslib/ppc4xx_dma.c +++ b/arch/ppc/syslib/ppc4xx_dma.c @@ -30,6 +30,7 @@ #include <asm/system.h> #include <asm/io.h> +#include <asm/dma.h> #include <asm/ppc4xx_dma.h> ppc_dma_ch_t dma_channels[MAX_PPC4xx_DMA_CHANNELS]; diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig index 477ac27..6fe532d 100644 --- a/arch/s390/Kconfig +++ b/arch/s390/Kconfig @@ -23,14 +23,14 @@ config GENERIC_BUST_SPINLOCK mainmenu "Linux Kernel Configuration" -config ARCH_S390 +config S390 bool default y config UID16 bool default y - depends on ARCH_S390X = 'n' + depends on !64BIT source "init/Kconfig" @@ -38,20 +38,12 @@ menu "Base setup" comment "Processor type and features" -config ARCH_S390X +config 64BIT bool "64 bit kernel" help Select this option if you have a 64 bit IBM zSeries machine and want to use the 64 bit addressing mode. -config 64BIT - def_bool ARCH_S390X - -config ARCH_S390_31 - bool - depends on ARCH_S390X = 'n' - default y - config SMP bool "Symmetric multi-processing support" ---help--- @@ -101,20 +93,15 @@ config MATHEMU on older S/390 machines. Say Y unless you know your machine doesn't need this. -config S390_SUPPORT +config COMPAT bool "Kernel support for 31 bit emulation" - depends on ARCH_S390X + depends on 64BIT help Select this option if you want to enable your system kernel to handle system-calls from ELF binaries for 31 bit ESA. This option (and some other stuff like libraries and such) is needed for executing 31 bit applications. It is safe to say "Y". -config COMPAT - bool - depends on S390_SUPPORT - default y - config SYSVIPC_COMPAT bool depends on COMPAT && SYSVIPC @@ -122,7 +109,7 @@ config SYSVIPC_COMPAT config BINFMT_ELF32 tristate "Kernel support for 31 bit ELF binaries" - depends on S390_SUPPORT + depends on COMPAT help This allows you to run 32-bit Linux/ELF binaries on your zSeries in 64 bit mode. Everybody wants this; say Y. @@ -135,7 +122,7 @@ choice config MARCH_G5 bool "S/390 model G5 and G6" - depends on ARCH_S390_31 + depends on !64BIT help Select this to build a 31 bit kernel that works on all S/390 and zSeries machines. @@ -240,8 +227,8 @@ config MACHCHK_WARNING config QDIO tristate "QDIO support" ---help--- - This driver provides the Queued Direct I/O base support for the - IBM S/390 (G5 and G6) and eServer zSeries (z800, z890, z900 and z990). + This driver provides the Queued Direct I/O base support for + IBM mainframes. For details please refer to the documentation provided by IBM at <http://www10.software.ibm.com/developerworks/opensource/linux390> @@ -263,7 +250,8 @@ config QDIO_DEBUG bool "Extended debugging information" depends on QDIO help - Say Y here to get extended debugging output in /proc/s390dbf/qdio... + Say Y here to get extended debugging output in + /sys/kernel/debug/s390dbf/qdio... Warning: this option reduces the performance of the QDIO module. If unsure, say N. diff --git a/arch/s390/Makefile b/arch/s390/Makefile index 73a09a6..6c6b197 100644 --- a/arch/s390/Makefile +++ b/arch/s390/Makefile @@ -13,16 +13,14 @@ # Copyright (C) 1994 by Linus Torvalds # -ifdef CONFIG_ARCH_S390_31 +ifndef CONFIG_64BIT LDFLAGS := -m elf_s390 CFLAGS += -m31 AFLAGS += -m31 UTS_MACHINE := s390 STACK_SIZE := 8192 CHECKFLAGS += -D__s390__ -endif - -ifdef CONFIG_ARCH_S390X +else LDFLAGS := -m elf64_s390 MODFLAGS += -fpic -D__PIC__ CFLAGS += -m64 diff --git a/arch/s390/appldata/appldata_base.c b/arch/s390/appldata/appldata_base.c index dee6ab54..d06a8d7 100644 --- a/arch/s390/appldata/appldata_base.c +++ b/arch/s390/appldata/appldata_base.c @@ -40,7 +40,7 @@ #define TOD_MICRO 0x01000 /* nr. of TOD clock units for 1 microsecond */ -#ifndef CONFIG_ARCH_S390X +#ifndef CONFIG_64BIT #define APPLDATA_START_INTERVAL_REC 0x00 /* Function codes for */ #define APPLDATA_STOP_REC 0x01 /* DIAG 0xDC */ @@ -54,13 +54,13 @@ #define APPLDATA_GEN_EVENT_RECORD 0x82 #define APPLDATA_START_CONFIG_REC 0x83 -#endif /* CONFIG_ARCH_S390X */ +#endif /* CONFIG_64BIT */ /* * Parameter list for DIAGNOSE X'DC' */ -#ifndef CONFIG_ARCH_S390X +#ifndef CONFIG_64BIT struct appldata_parameter_list { u16 diag; /* The DIAGNOSE code X'00DC' */ u8 function; /* The function code for the DIAGNOSE */ @@ -82,7 +82,7 @@ struct appldata_parameter_list { u64 product_id_addr; u64 buffer_addr; }; -#endif /* CONFIG_ARCH_S390X */ +#endif /* CONFIG_64BIT */ /* * /proc entries (sysctl) diff --git a/arch/s390/appldata/appldata_os.c b/arch/s390/appldata/appldata_os.c index e0a476b..99ddd3b 100644 --- a/arch/s390/appldata/appldata_os.c +++ b/arch/s390/appldata/appldata_os.c @@ -141,19 +141,19 @@ static void appldata_get_os_data(void *data) j = 0; for_each_online_cpu(i) { os_data->os_cpu[j].per_cpu_user = - kstat_cpu(i).cpustat.user; + cputime_to_jiffies(kstat_cpu(i).cpustat.user); os_data->os_cpu[j].per_cpu_nice = - kstat_cpu(i).cpustat.nice; + cputime_to_jiffies(kstat_cpu(i).cpustat.nice); os_data->os_cpu[j].per_cpu_system = - kstat_cpu(i).cpustat.system; + cputime_to_jiffies(kstat_cpu(i).cpustat.system); os_data->os_cpu[j].per_cpu_idle = - kstat_cpu(i).cpustat.idle; + cputime_to_jiffies(kstat_cpu(i).cpustat.idle); os_data->os_cpu[j].per_cpu_irq = - kstat_cpu(i).cpustat.irq; + cputime_to_jiffies(kstat_cpu(i).cpustat.irq); os_data->os_cpu[j].per_cpu_softirq = - kstat_cpu(i).cpustat.softirq; + cputime_to_jiffies(kstat_cpu(i).cpustat.softirq); os_data->os_cpu[j].per_cpu_iowait = - kstat_cpu(i).cpustat.iowait; + cputime_to_jiffies(kstat_cpu(i).cpustat.iowait); j++; } diff --git a/arch/s390/crypto/Makefile b/arch/s390/crypto/Makefile index 96a05e6..bfe2541 100644 --- a/arch/s390/crypto/Makefile +++ b/arch/s390/crypto/Makefile @@ -2,7 +2,9 @@ # Cryptographic API # -obj-$(CONFIG_CRYPTO_SHA1_Z990) += sha1_z990.o -obj-$(CONFIG_CRYPTO_DES_Z990) += des_z990.o des_check_key.o +obj-$(CONFIG_CRYPTO_SHA1_S390) += sha1_s390.o +obj-$(CONFIG_CRYPTO_SHA256_S390) += sha256_s390.o +obj-$(CONFIG_CRYPTO_DES_S390) += des_s390.o des_check_key.o +obj-$(CONFIG_CRYPTO_AES_S390) += aes_s390.o -obj-$(CONFIG_CRYPTO_TEST) += crypt_z990_query.o +obj-$(CONFIG_CRYPTO_TEST) += crypt_s390_query.o diff --git a/arch/s390/crypto/aes_s390.c b/arch/s390/crypto/aes_s390.c new file mode 100644 index 0000000..7a1033d --- /dev/null +++ b/arch/s390/crypto/aes_s390.c @@ -0,0 +1,248 @@ +/* + * Cryptographic API. + * + * s390 implementation of the AES Cipher Algorithm. + * + * s390 Version: + * Copyright (C) 2005 IBM Deutschland GmbH, IBM Corporation + * Author(s): Jan Glauber (jang@de.ibm.com) + * + * Derived from "crypto/aes.c" + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + * + */ + +#include <linux/module.h> +#include <linux/init.h> +#include <linux/crypto.h> +#include "crypt_s390.h" + +#define AES_MIN_KEY_SIZE 16 +#define AES_MAX_KEY_SIZE 32 + +/* data block size for all key lengths */ +#define AES_BLOCK_SIZE 16 + +int has_aes_128 = 0; +int has_aes_192 = 0; +int has_aes_256 = 0; + +struct s390_aes_ctx { + u8 iv[AES_BLOCK_SIZE]; + u8 key[AES_MAX_KEY_SIZE]; + int key_len; +}; + +static int aes_set_key(void *ctx, const u8 *in_key, unsigned int key_len, + u32 *flags) +{ + struct s390_aes_ctx *sctx = ctx; + + switch (key_len) { + case 16: + if (!has_aes_128) + goto fail; + break; + case 24: + if (!has_aes_192) + goto fail; + + break; + case 32: + if (!has_aes_256) + goto fail; + break; + default: + /* invalid key length */ + goto fail; + break; + } + + sctx->key_len = key_len; + memcpy(sctx->key, in_key, key_len); + return 0; +fail: + *flags |= CRYPTO_TFM_RES_BAD_KEY_LEN; + return -EINVAL; +} + +static void aes_encrypt(void *ctx, u8 *out, const u8 *in) +{ + const struct s390_aes_ctx *sctx = ctx; + + switch (sctx->key_len) { + case 16: + crypt_s390_km(KM_AES_128_ENCRYPT, &sctx->key, out, in, + AES_BLOCK_SIZE); + break; + case 24: + crypt_s390_km(KM_AES_192_ENCRYPT, &sctx->key, out, in, + AES_BLOCK_SIZE); + break; + case 32: + crypt_s390_km(KM_AES_256_ENCRYPT, &sctx->key, out, in, + AES_BLOCK_SIZE); + break; + } +} + +static void aes_decrypt(void *ctx, u8 *out, const u8 *in) +{ + const struct s390_aes_ctx *sctx = ctx; + + switch (sctx->key_len) { + case 16: + crypt_s390_km(KM_AES_128_DECRYPT, &sctx->key, out, in, + AES_BLOCK_SIZE); + break; + case 24: + crypt_s390_km(KM_AES_192_DECRYPT, &sctx->key, out, in, + AES_BLOCK_SIZE); + break; + case 32: + crypt_s390_km(KM_AES_256_DECRYPT, &sctx->key, out, in, + AES_BLOCK_SIZE); + break; + } +} + +static unsigned int aes_encrypt_ecb(const struct cipher_desc *desc, u8 *out, + const u8 *in, unsigned int nbytes) +{ + struct s390_aes_ctx *sctx = crypto_tfm_ctx(desc->tfm); + + switch (sctx->key_len) { + case 16: + crypt_s390_km(KM_AES_128_ENCRYPT, &sctx->key, out, in, nbytes); + break; + case 24: + crypt_s390_km(KM_AES_192_ENCRYPT, &sctx->key, out, in, nbytes); + break; + case 32: + crypt_s390_km(KM_AES_256_ENCRYPT, &sctx->key, out, in, nbytes); + break; + } + return nbytes & ~(AES_BLOCK_SIZE - 1); +} + +static unsigned int aes_decrypt_ecb(const struct cipher_desc *desc, u8 *out, + const u8 *in, unsigned int nbytes) +{ + struct s390_aes_ctx *sctx = crypto_tfm_ctx(desc->tfm); + + switch (sctx->key_len) { + case 16: + crypt_s390_km(KM_AES_128_DECRYPT, &sctx->key, out, in, nbytes); + break; + case 24: + crypt_s390_km(KM_AES_192_DECRYPT, &sctx->key, out, in, nbytes); + break; + case 32: + crypt_s390_km(KM_AES_256_DECRYPT, &sctx->key, out, in, nbytes); + break; + } + return nbytes & ~(AES_BLOCK_SIZE - 1); +} + +static unsigned int aes_encrypt_cbc(const struct cipher_desc *desc, u8 *out, + const u8 *in, unsigned int nbytes) +{ + struct s390_aes_ctx *sctx = crypto_tfm_ctx(desc->tfm); + + memcpy(&sctx->iv, desc->info, AES_BLOCK_SIZE); + switch (sctx->key_len) { + case 16: + crypt_s390_kmc(KMC_AES_128_ENCRYPT, &sctx->iv, out, in, nbytes); + break; + case 24: + crypt_s390_kmc(KMC_AES_192_ENCRYPT, &sctx->iv, out, in, nbytes); + break; + case 32: + crypt_s390_kmc(KMC_AES_256_ENCRYPT, &sctx->iv, out, in, nbytes); + break; + } + memcpy(desc->info, &sctx->iv, AES_BLOCK_SIZE); + + return nbytes & ~(AES_BLOCK_SIZE - 1); +} + +static unsigned int aes_decrypt_cbc(const struct cipher_desc *desc, u8 *out, + const u8 *in, unsigned int nbytes) +{ + struct s390_aes_ctx *sctx = crypto_tfm_ctx(desc->tfm); + + memcpy(&sctx->iv, desc->info, AES_BLOCK_SIZE); + switch (sctx->key_len) { + case 16: + crypt_s390_kmc(KMC_AES_128_DECRYPT, &sctx->iv, out, in, nbytes); + break; + case 24: + crypt_s390_kmc(KMC_AES_192_DECRYPT, &sctx->iv, out, in, nbytes); + break; + case 32: + crypt_s390_kmc(KMC_AES_256_DECRYPT, &sctx->iv, out, in, nbytes); + break; + } + return nbytes & ~(AES_BLOCK_SIZE - 1); +} + + +static struct crypto_alg aes_alg = { + .cra_name = "aes", + .cra_flags = CRYPTO_ALG_TYPE_CIPHER, + .cra_blocksize = AES_BLOCK_SIZE, + .cra_ctxsize = sizeof(struct s390_aes_ctx), + .cra_module = THIS_MODULE, + .cra_list = LIST_HEAD_INIT(aes_alg.cra_list), + .cra_u = { + .cipher = { + .cia_min_keysize = AES_MIN_KEY_SIZE, + .cia_max_keysize = AES_MAX_KEY_SIZE, + .cia_setkey = aes_set_key, + .cia_encrypt = aes_encrypt, + .cia_decrypt = aes_decrypt, + .cia_encrypt_ecb = aes_encrypt_ecb, + .cia_decrypt_ecb = aes_decrypt_ecb, + .cia_encrypt_cbc = aes_encrypt_cbc, + .cia_decrypt_cbc = aes_decrypt_cbc, + } + } +}; + +static int __init aes_init(void) +{ + int ret; + + if (crypt_s390_func_available(KM_AES_128_ENCRYPT)) + has_aes_128 = 1; + if (crypt_s390_func_available(KM_AES_192_ENCRYPT)) + has_aes_192 = 1; + if (crypt_s390_func_available(KM_AES_256_ENCRYPT)) + has_aes_256 = 1; + + if (!has_aes_128 && !has_aes_192 && !has_aes_256) + return -ENOSYS; + + ret = crypto_register_alg(&aes_alg); + if (ret != 0) + printk(KERN_INFO "crypt_s390: aes_s390 couldn't be loaded.\n"); + return ret; +} + +static void __exit aes_fini(void) +{ + crypto_unregister_alg(&aes_alg); +} + +module_init(aes_init); +module_exit(aes_fini); + +MODULE_ALIAS("aes"); + +MODULE_DESCRIPTION("Rijndael (AES) Cipher Algorithm"); +MODULE_LICENSE("GPL"); + diff --git a/arch/s390/crypto/crypt_z990.h b/arch/s390/crypto/crypt_s390.h index 4df660b..d1c259a 100644 --- a/arch/s390/crypto/crypt_z990.h +++ b/arch/s390/crypto/crypt_s390.h @@ -1,7 +1,7 @@ /* * Cryptographic API. * - * Support for z990 cryptographic instructions. + * Support for s390 cryptographic instructions. * * Copyright (C) 2003 IBM Deutschland GmbH, IBM Corporation * Author(s): Thomas Spatzier (tspat@de.ibm.com) @@ -12,84 +12,108 @@ * any later version. * */ -#ifndef _CRYPTO_ARCH_S390_CRYPT_Z990_H -#define _CRYPTO_ARCH_S390_CRYPT_Z990_H +#ifndef _CRYPTO_ARCH_S390_CRYPT_S390_H +#define _CRYPTO_ARCH_S390_CRYPT_S390_H #include <asm/errno.h> -#define CRYPT_Z990_OP_MASK 0xFF00 -#define CRYPT_Z990_FUNC_MASK 0x00FF +#define CRYPT_S390_OP_MASK 0xFF00 +#define CRYPT_S390_FUNC_MASK 0x00FF - -/*z990 cryptographic operations*/ -enum crypt_z990_operations { - CRYPT_Z990_KM = 0x0100, - CRYPT_Z990_KMC = 0x0200, - CRYPT_Z990_KIMD = 0x0300, - CRYPT_Z990_KLMD = 0x0400, - CRYPT_Z990_KMAC = 0x0500 +/* s930 cryptographic operations */ +enum crypt_s390_operations { + CRYPT_S390_KM = 0x0100, + CRYPT_S390_KMC = 0x0200, + CRYPT_S390_KIMD = 0x0300, + CRYPT_S390_KLMD = 0x0400, + CRYPT_S390_KMAC = 0x0500 }; -/*function codes for KM (CIPHER MESSAGE) instruction*/ -enum crypt_z990_km_func { - KM_QUERY = CRYPT_Z990_KM | 0, - KM_DEA_ENCRYPT = CRYPT_Z990_KM | 1, - KM_DEA_DECRYPT = CRYPT_Z990_KM | 1 | 0x80, //modifier bit->decipher - KM_TDEA_128_ENCRYPT = CRYPT_Z990_KM | 2, - KM_TDEA_128_DECRYPT = CRYPT_Z990_KM | 2 | 0x80, - KM_TDEA_192_ENCRYPT = CRYPT_Z990_KM | 3, - KM_TDEA_192_DECRYPT = CRYPT_Z990_KM | 3 | 0x80, +/* function codes for KM (CIPHER MESSAGE) instruction + * 0x80 is the decipher modifier bit + */ +enum crypt_s390_km_func { + KM_QUERY = CRYPT_S390_KM | 0x0, + KM_DEA_ENCRYPT = CRYPT_S390_KM | 0x1, + KM_DEA_DECRYPT = CRYPT_S390_KM | 0x1 | 0x80, + KM_TDEA_128_ENCRYPT = CRYPT_S390_KM | 0x2, + KM_TDEA_128_DECRYPT = CRYPT_S390_KM | 0x2 | 0x80, + KM_TDEA_192_ENCRYPT = CRYPT_S390_KM | 0x3, + KM_TDEA_192_DECRYPT = CRYPT_S390_KM | 0x3 | 0x80, + KM_AES_128_ENCRYPT = CRYPT_S390_KM | 0x12, + KM_AES_128_DECRYPT = CRYPT_S390_KM | 0x12 | 0x80, + KM_AES_192_ENCRYPT = CRYPT_S390_KM | 0x13, + KM_AES_192_DECRYPT = CRYPT_S390_KM | 0x13 | 0x80, + KM_AES_256_ENCRYPT = CRYPT_S390_KM | 0x14, + KM_AES_256_DECRYPT = CRYPT_S390_KM | 0x14 | 0x80, }; -/*function codes for KMC (CIPHER MESSAGE WITH CHAINING) instruction*/ -enum crypt_z990_kmc_func { - KMC_QUERY = CRYPT_Z990_KMC | 0, - KMC_DEA_ENCRYPT = CRYPT_Z990_KMC | 1, - KMC_DEA_DECRYPT = CRYPT_Z990_KMC | 1 | 0x80, //modifier bit->decipher - KMC_TDEA_128_ENCRYPT = CRYPT_Z990_KMC | 2, - KMC_TDEA_128_DECRYPT = CRYPT_Z990_KMC | 2 | 0x80, - KMC_TDEA_192_ENCRYPT = CRYPT_Z990_KMC | 3, - KMC_TDEA_192_DECRYPT = CRYPT_Z990_KMC | 3 | 0x80, +/* function codes for KMC (CIPHER MESSAGE WITH CHAINING) + * instruction + */ +enum crypt_s390_kmc_func { + KMC_QUERY = CRYPT_S390_KMC | 0x0, + KMC_DEA_ENCRYPT = CRYPT_S390_KMC | 0x1, + KMC_DEA_DECRYPT = CRYPT_S390_KMC | 0x1 | 0x80, + KMC_TDEA_128_ENCRYPT = CRYPT_S390_KMC | 0x2, + KMC_TDEA_128_DECRYPT = CRYPT_S390_KMC | 0x2 | 0x80, + KMC_TDEA_192_ENCRYPT = CRYPT_S390_KMC | 0x3, + KMC_TDEA_192_DECRYPT = CRYPT_S390_KMC | 0x3 | 0x80, + KMC_AES_128_ENCRYPT = CRYPT_S390_KMC | 0x12, + KMC_AES_128_DECRYPT = CRYPT_S390_KMC | 0x12 | 0x80, + KMC_AES_192_ENCRYPT = CRYPT_S390_KMC | 0x13, + KMC_AES_192_DECRYPT = CRYPT_S390_KMC | 0x13 | 0x80, + KMC_AES_256_ENCRYPT = CRYPT_S390_KMC | 0x14, + KMC_AES_256_DECRYPT = CRYPT_S390_KMC | 0x14 | 0x80, }; -/*function codes for KIMD (COMPUTE INTERMEDIATE MESSAGE DIGEST) instruction*/ -enum crypt_z990_kimd_func { - KIMD_QUERY = CRYPT_Z990_KIMD | 0, - KIMD_SHA_1 = CRYPT_Z990_KIMD | 1, +/* function codes for KIMD (COMPUTE INTERMEDIATE MESSAGE DIGEST) + * instruction + */ +enum crypt_s390_kimd_func { + KIMD_QUERY = CRYPT_S390_KIMD | 0, + KIMD_SHA_1 = CRYPT_S390_KIMD | 1, + KIMD_SHA_256 = CRYPT_S390_KIMD | 2, }; -/*function codes for KLMD (COMPUTE LAST MESSAGE DIGEST) instruction*/ -enum crypt_z990_klmd_func { - KLMD_QUERY = CRYPT_Z990_KLMD | 0, - KLMD_SHA_1 = CRYPT_Z990_KLMD | 1, +/* function codes for KLMD (COMPUTE LAST MESSAGE DIGEST) + * instruction + */ +enum crypt_s390_klmd_func { + KLMD_QUERY = CRYPT_S390_KLMD | 0, + KLMD_SHA_1 = CRYPT_S390_KLMD | 1, + KLMD_SHA_256 = CRYPT_S390_KLMD | 2, }; -/*function codes for KMAC (COMPUTE MESSAGE AUTHENTICATION CODE) instruction*/ -enum crypt_z990_kmac_func { - KMAC_QUERY = CRYPT_Z990_KMAC | 0, - KMAC_DEA = CRYPT_Z990_KMAC | 1, - KMAC_TDEA_128 = CRYPT_Z990_KMAC | 2, - KMAC_TDEA_192 = CRYPT_Z990_KMAC | 3 +/* function codes for KMAC (COMPUTE MESSAGE AUTHENTICATION CODE) + * instruction + */ +enum crypt_s390_kmac_func { + KMAC_QUERY = CRYPT_S390_KMAC | 0, + KMAC_DEA = CRYPT_S390_KMAC | 1, + KMAC_TDEA_128 = CRYPT_S390_KMAC | 2, + KMAC_TDEA_192 = CRYPT_S390_KMAC | 3 }; -/*status word for z990 crypto instructions' QUERY functions*/ -struct crypt_z990_query_status { +/* status word for s390 crypto instructions' QUERY functions */ +struct crypt_s390_query_status { u64 high; u64 low; }; /* - * Standard fixup and ex_table sections for crypt_z990 inline functions. - * label 0: the z990 crypto operation - * label 1: just after 1 to catch illegal operation exception on non-z990 + * Standard fixup and ex_table sections for crypt_s390 inline functions. + * label 0: the s390 crypto operation + * label 1: just after 1 to catch illegal operation exception + * (unsupported model) * label 6: the return point after fixup * label 7: set error value if exception _in_ crypto operation * label 8: set error value if illegal operation exception * [ret] is the variable to receive the error code * [ERR] is the error code value */ -#ifndef __s390x__ -#define __crypt_z990_fixup \ +#ifndef CONFIG_64BIT +#define __crypt_s390_fixup \ ".section .fixup,\"ax\" \n" \ "7: lhi %0,%h[e1] \n" \ " bras 1,9f \n" \ @@ -105,8 +129,8 @@ struct crypt_z990_query_status { " .long 0b,7b \n" \ " .long 1b,8b \n" \ ".previous" -#else /* __s390x__ */ -#define __crypt_z990_fixup \ +#else /* CONFIG_64BIT */ +#define __crypt_s390_fixup \ ".section .fixup,\"ax\" \n" \ "7: lhi %0,%h[e1] \n" \ " jg 6b \n" \ @@ -118,25 +142,25 @@ struct crypt_z990_query_status { " .quad 0b,7b \n" \ " .quad 1b,8b \n" \ ".previous" -#endif /* __s390x__ */ +#endif /* CONFIG_64BIT */ /* - * Standard code for setting the result of z990 crypto instructions. + * Standard code for setting the result of s390 crypto instructions. * %0: the register which will receive the result * [result]: the register containing the result (e.g. second operand length * to compute number of processed bytes]. */ -#ifndef __s390x__ -#define __crypt_z990_set_result \ +#ifndef CONFIG_64BIT +#define __crypt_s390_set_result \ " lr %0,%[result] \n" -#else /* __s390x__ */ -#define __crypt_z990_set_result \ +#else /* CONFIG_64BIT */ +#define __crypt_s390_set_result \ " lgr %0,%[result] \n" #endif /* - * Executes the KM (CIPHER MESSAGE) operation of the z990 CPU. - * @param func: the function code passed to KM; see crypt_z990_km_func + * Executes the KM (CIPHER MESSAGE) operation of the CPU. + * @param func: the function code passed to KM; see crypt_s390_km_func * @param param: address of parameter block; see POP for details on each func * @param dest: address of destination memory area * @param src: address of source memory area @@ -145,9 +169,9 @@ struct crypt_z990_query_status { * for encryption/decryption funcs */ static inline int -crypt_z990_km(long func, void* param, u8* dest, const u8* src, long src_len) +crypt_s390_km(long func, void* param, u8* dest, const u8* src, long src_len) { - register long __func asm("0") = func & CRYPT_Z990_FUNC_MASK; + register long __func asm("0") = func & CRYPT_S390_FUNC_MASK; register void* __param asm("1") = param; register u8* __dest asm("4") = dest; register const u8* __src asm("2") = src; @@ -156,26 +180,26 @@ crypt_z990_km(long func, void* param, u8* dest, const u8* src, long src_len) ret = 0; __asm__ __volatile__ ( - "0: .insn rre,0xB92E0000,%1,%2 \n" //KM opcode - "1: brc 1,0b \n" //handle partial completion - __crypt_z990_set_result + "0: .insn rre,0xB92E0000,%1,%2 \n" /* KM opcode */ + "1: brc 1,0b \n" /* handle partial completion */ + __crypt_s390_set_result "6: \n" - __crypt_z990_fixup + __crypt_s390_fixup : "+d" (ret), "+a" (__dest), "+a" (__src), [result] "+d" (__src_len) : [e1] "K" (-EFAULT), [e2] "K" (-ENOSYS), "d" (__func), "a" (__param) : "cc", "memory" ); - if (ret >= 0 && func & CRYPT_Z990_FUNC_MASK){ + if (ret >= 0 && func & CRYPT_S390_FUNC_MASK){ ret = src_len - ret; } return ret; } /* - * Executes the KMC (CIPHER MESSAGE WITH CHAINING) operation of the z990 CPU. - * @param func: the function code passed to KM; see crypt_z990_kmc_func + * Executes the KMC (CIPHER MESSAGE WITH CHAINING) operation of the CPU. + * @param func: the function code passed to KM; see crypt_s390_kmc_func * @param param: address of parameter block; see POP for details on each func * @param dest: address of destination memory area * @param src: address of source memory area @@ -184,9 +208,9 @@ crypt_z990_km(long func, void* param, u8* dest, const u8* src, long src_len) * for encryption/decryption funcs */ static inline int -crypt_z990_kmc(long func, void* param, u8* dest, const u8* src, long src_len) +crypt_s390_kmc(long func, void* param, u8* dest, const u8* src, long src_len) { - register long __func asm("0") = func & CRYPT_Z990_FUNC_MASK; + register long __func asm("0") = func & CRYPT_S390_FUNC_MASK; register void* __param asm("1") = param; register u8* __dest asm("4") = dest; register const u8* __src asm("2") = src; @@ -195,18 +219,18 @@ crypt_z990_kmc(long func, void* param, u8* dest, const u8* src, long src_len) ret = 0; __asm__ __volatile__ ( - "0: .insn rre,0xB92F0000,%1,%2 \n" //KMC opcode - "1: brc 1,0b \n" //handle partial completion - __crypt_z990_set_result + "0: .insn rre,0xB92F0000,%1,%2 \n" /* KMC opcode */ + "1: brc 1,0b \n" /* handle partial completion */ + __crypt_s390_set_result "6: \n" - __crypt_z990_fixup + __crypt_s390_fixup : "+d" (ret), "+a" (__dest), "+a" (__src), [result] "+d" (__src_len) : [e1] "K" (-EFAULT), [e2] "K" (-ENOSYS), "d" (__func), "a" (__param) : "cc", "memory" ); - if (ret >= 0 && func & CRYPT_Z990_FUNC_MASK){ + if (ret >= 0 && func & CRYPT_S390_FUNC_MASK){ ret = src_len - ret; } return ret; @@ -214,8 +238,8 @@ crypt_z990_kmc(long func, void* param, u8* dest, const u8* src, long src_len) /* * Executes the KIMD (COMPUTE INTERMEDIATE MESSAGE DIGEST) operation - * of the z990 CPU. - * @param func: the function code passed to KM; see crypt_z990_kimd_func + * of the CPU. + * @param func: the function code passed to KM; see crypt_s390_kimd_func * @param param: address of parameter block; see POP for details on each func * @param src: address of source memory area * @param src_len: length of src operand in bytes @@ -223,9 +247,9 @@ crypt_z990_kmc(long func, void* param, u8* dest, const u8* src, long src_len) * for digest funcs */ static inline int -crypt_z990_kimd(long func, void* param, const u8* src, long src_len) +crypt_s390_kimd(long func, void* param, const u8* src, long src_len) { - register long __func asm("0") = func & CRYPT_Z990_FUNC_MASK; + register long __func asm("0") = func & CRYPT_S390_FUNC_MASK; register void* __param asm("1") = param; register const u8* __src asm("2") = src; register long __src_len asm("3") = src_len; @@ -233,25 +257,25 @@ crypt_z990_kimd(long func, void* param, const u8* src, long src_len) ret = 0; __asm__ __volatile__ ( - "0: .insn rre,0xB93E0000,%1,%1 \n" //KIMD opcode - "1: brc 1,0b \n" /*handle partical completion of kimd*/ - __crypt_z990_set_result + "0: .insn rre,0xB93E0000,%1,%1 \n" /* KIMD opcode */ + "1: brc 1,0b \n" /* handle partical completion */ + __crypt_s390_set_result "6: \n" - __crypt_z990_fixup + __crypt_s390_fixup : "+d" (ret), "+a" (__src), [result] "+d" (__src_len) : [e1] "K" (-EFAULT), [e2] "K" (-ENOSYS), "d" (__func), "a" (__param) : "cc", "memory" ); - if (ret >= 0 && (func & CRYPT_Z990_FUNC_MASK)){ + if (ret >= 0 && (func & CRYPT_S390_FUNC_MASK)){ ret = src_len - ret; } return ret; } /* - * Executes the KLMD (COMPUTE LAST MESSAGE DIGEST) operation of the z990 CPU. - * @param func: the function code passed to KM; see crypt_z990_klmd_func + * Executes the KLMD (COMPUTE LAST MESSAGE DIGEST) operation of the CPU. + * @param func: the function code passed to KM; see crypt_s390_klmd_func * @param param: address of parameter block; see POP for details on each func * @param src: address of source memory area * @param src_len: length of src operand in bytes @@ -259,9 +283,9 @@ crypt_z990_kimd(long func, void* param, const u8* src, long src_len) * for digest funcs */ static inline int -crypt_z990_klmd(long func, void* param, const u8* src, long src_len) +crypt_s390_klmd(long func, void* param, const u8* src, long src_len) { - register long __func asm("0") = func & CRYPT_Z990_FUNC_MASK; + register long __func asm("0") = func & CRYPT_S390_FUNC_MASK; register void* __param asm("1") = param; register const u8* __src asm("2") = src; register long __src_len asm("3") = src_len; @@ -269,17 +293,17 @@ crypt_z990_klmd(long func, void* param, const u8* src, long src_len) ret = 0; __asm__ __volatile__ ( - "0: .insn rre,0xB93F0000,%1,%1 \n" //KLMD opcode - "1: brc 1,0b \n" /*handle partical completion of klmd*/ - __crypt_z990_set_result + "0: .insn rre,0xB93F0000,%1,%1 \n" /* KLMD opcode */ + "1: brc 1,0b \n" /* handle partical completion */ + __crypt_s390_set_result "6: \n" - __crypt_z990_fixup + __crypt_s390_fixup : "+d" (ret), "+a" (__src), [result] "+d" (__src_len) : [e1] "K" (-EFAULT), [e2] "K" (-ENOSYS), "d" (__func), "a" (__param) : "cc", "memory" ); - if (ret >= 0 && func & CRYPT_Z990_FUNC_MASK){ + if (ret >= 0 && func & CRYPT_S390_FUNC_MASK){ ret = src_len - ret; } return ret; @@ -287,8 +311,8 @@ crypt_z990_klmd(long func, void* param, const u8* src, long src_len) /* * Executes the KMAC (COMPUTE MESSAGE AUTHENTICATION CODE) operation - * of the z990 CPU. - * @param func: the function code passed to KM; see crypt_z990_klmd_func + * of the CPU. + * @param func: the function code passed to KM; see crypt_s390_klmd_func * @param param: address of parameter block; see POP for details on each func * @param src: address of source memory area * @param src_len: length of src operand in bytes @@ -296,9 +320,9 @@ crypt_z990_klmd(long func, void* param, const u8* src, long src_len) * for digest funcs */ static inline int -crypt_z990_kmac(long func, void* param, const u8* src, long src_len) +crypt_s390_kmac(long func, void* param, const u8* src, long src_len) { - register long __func asm("0") = func & CRYPT_Z990_FUNC_MASK; + register long __func asm("0") = func & CRYPT_S390_FUNC_MASK; register void* __param asm("1") = param; register const u8* __src asm("2") = src; register long __src_len asm("3") = src_len; @@ -306,58 +330,58 @@ crypt_z990_kmac(long func, void* param, const u8* src, long src_len) ret = 0; __asm__ __volatile__ ( - "0: .insn rre,0xB91E0000,%5,%5 \n" //KMAC opcode - "1: brc 1,0b \n" /*handle partical completion of klmd*/ - __crypt_z990_set_result + "0: .insn rre,0xB91E0000,%5,%5 \n" /* KMAC opcode */ + "1: brc 1,0b \n" /* handle partical completion */ + __crypt_s390_set_result "6: \n" - __crypt_z990_fixup + __crypt_s390_fixup : "+d" (ret), "+a" (__src), [result] "+d" (__src_len) : [e1] "K" (-EFAULT), [e2] "K" (-ENOSYS), "d" (__func), "a" (__param) : "cc", "memory" ); - if (ret >= 0 && func & CRYPT_Z990_FUNC_MASK){ + if (ret >= 0 && func & CRYPT_S390_FUNC_MASK){ ret = src_len - ret; } return ret; } /** - * Tests if a specific z990 crypto function is implemented on the machine. + * Tests if a specific crypto function is implemented on the machine. * @param func: the function code of the specific function; 0 if op in general * @return 1 if func available; 0 if func or op in general not available */ static inline int -crypt_z990_func_available(int func) +crypt_s390_func_available(int func) { int ret; - struct crypt_z990_query_status status = { + struct crypt_s390_query_status status = { .high = 0, .low = 0 }; - switch (func & CRYPT_Z990_OP_MASK){ - case CRYPT_Z990_KM: - ret = crypt_z990_km(KM_QUERY, &status, NULL, NULL, 0); + switch (func & CRYPT_S390_OP_MASK){ + case CRYPT_S390_KM: + ret = crypt_s390_km(KM_QUERY, &status, NULL, NULL, 0); break; - case CRYPT_Z990_KMC: - ret = crypt_z990_kmc(KMC_QUERY, &status, NULL, NULL, 0); + case CRYPT_S390_KMC: + ret = crypt_s390_kmc(KMC_QUERY, &status, NULL, NULL, 0); break; - case CRYPT_Z990_KIMD: - ret = crypt_z990_kimd(KIMD_QUERY, &status, NULL, 0); + case CRYPT_S390_KIMD: + ret = crypt_s390_kimd(KIMD_QUERY, &status, NULL, 0); break; - case CRYPT_Z990_KLMD: - ret = crypt_z990_klmd(KLMD_QUERY, &status, NULL, 0); + case CRYPT_S390_KLMD: + ret = crypt_s390_klmd(KLMD_QUERY, &status, NULL, 0); break; - case CRYPT_Z990_KMAC: - ret = crypt_z990_kmac(KMAC_QUERY, &status, NULL, 0); + case CRYPT_S390_KMAC: + ret = crypt_s390_kmac(KMAC_QUERY, &status, NULL, 0); break; default: ret = 0; return ret; } if (ret >= 0){ - func &= CRYPT_Z990_FUNC_MASK; + func &= CRYPT_S390_FUNC_MASK; func &= 0x7f; //mask modifier bit if (func < 64){ ret = (status.high >> (64 - func - 1)) & 0x1; @@ -370,5 +394,4 @@ crypt_z990_func_available(int func) return ret; } - -#endif // _CRYPTO_ARCH_S390_CRYPT_Z990_H +#endif // _CRYPTO_ARCH_S390_CRYPT_S390_H diff --git a/arch/s390/crypto/crypt_s390_query.c b/arch/s390/crypto/crypt_s390_query.c new file mode 100644 index 0000000..def02bd --- /dev/null +++ b/arch/s390/crypto/crypt_s390_query.c @@ -0,0 +1,129 @@ +/* + * Cryptographic API. + * + * Support for s390 cryptographic instructions. + * Testing module for querying processor crypto capabilities. + * + * Copyright (c) 2003 IBM Deutschland Entwicklung GmbH, IBM Corporation + * Author(s): Thomas Spatzier (tspat@de.ibm.com) + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + * + */ +#include <linux/module.h> +#include <linux/init.h> +#include <linux/kernel.h> +#include <asm/errno.h> +#include "crypt_s390.h" + +static void query_available_functions(void) +{ + printk(KERN_INFO "#####################\n"); + + /* query available KM functions */ + printk(KERN_INFO "KM_QUERY: %d\n", + crypt_s390_func_available(KM_QUERY)); + printk(KERN_INFO "KM_DEA: %d\n", + crypt_s390_func_available(KM_DEA_ENCRYPT)); + printk(KERN_INFO "KM_TDEA_128: %d\n", + crypt_s390_func_available(KM_TDEA_128_ENCRYPT)); + printk(KERN_INFO "KM_TDEA_192: %d\n", + crypt_s390_func_available(KM_TDEA_192_ENCRYPT)); + printk(KERN_INFO "KM_AES_128: %d\n", + crypt_s390_func_available(KM_AES_128_ENCRYPT)); + printk(KERN_INFO "KM_AES_192: %d\n", + crypt_s390_func_available(KM_AES_192_ENCRYPT)); + printk(KERN_INFO "KM_AES_256: %d\n", + crypt_s390_func_available(KM_AES_256_ENCRYPT)); + + /* query available KMC functions */ + printk(KERN_INFO "KMC_QUERY: %d\n", + crypt_s390_func_available(KMC_QUERY)); + printk(KERN_INFO "KMC_DEA: %d\n", + crypt_s390_func_available(KMC_DEA_ENCRYPT)); + printk(KERN_INFO "KMC_TDEA_128: %d\n", + crypt_s390_func_available(KMC_TDEA_128_ENCRYPT)); + printk(KERN_INFO "KMC_TDEA_192: %d\n", + crypt_s390_func_available(KMC_TDEA_192_ENCRYPT)); + printk(KERN_INFO "KMC_AES_128: %d\n", + crypt_s390_func_available(KMC_AES_128_ENCRYPT)); + printk(KERN_INFO "KMC_AES_192: %d\n", + crypt_s390_func_available(KMC_AES_192_ENCRYPT)); + printk(KERN_INFO "KMC_AES_256: %d\n", + crypt_s390_func_available(KMC_AES_256_ENCRYPT)); + + /* query available KIMD fucntions */ + printk(KERN_INFO "KIMD_QUERY: %d\n", + crypt_s390_func_available(KIMD_QUERY)); + printk(KERN_INFO "KIMD_SHA_1: %d\n", + crypt_s390_func_available(KIMD_SHA_1)); + printk(KERN_INFO "KIMD_SHA_256: %d\n", + crypt_s390_func_available(KIMD_SHA_256)); + + /* query available KLMD functions */ + printk(KERN_INFO "KLMD_QUERY: %d\n", + crypt_s390_func_available(KLMD_QUERY)); + printk(KERN_INFO "KLMD_SHA_1: %d\n", + crypt_s390_func_available(KLMD_SHA_1)); + printk(KERN_INFO "KLMD_SHA_256: %d\n", + crypt_s390_func_available(KLMD_SHA_256)); + + /* query available KMAC functions */ + printk(KERN_INFO "KMAC_QUERY: %d\n", + crypt_s390_func_available(KMAC_QUERY)); + printk(KERN_INFO "KMAC_DEA: %d\n", + crypt_s390_func_available(KMAC_DEA)); + printk(KERN_INFO "KMAC_TDEA_128: %d\n", + crypt_s390_func_available(KMAC_TDEA_128)); + printk(KERN_INFO "KMAC_TDEA_192: %d\n", + crypt_s390_func_available(KMAC_TDEA_192)); +} + +static int init(void) +{ + struct crypt_s390_query_status status = { + .high = 0, + .low = 0 + }; + + printk(KERN_INFO "crypt_s390: querying available crypto functions\n"); + crypt_s390_km(KM_QUERY, &status, NULL, NULL, 0); + printk(KERN_INFO "KM:\t%016llx %016llx\n", + (unsigned long long) status.high, + (unsigned long long) status.low); + status.high = status.low = 0; + crypt_s390_kmc(KMC_QUERY, &status, NULL, NULL, 0); + printk(KERN_INFO "KMC:\t%016llx %016llx\n", + (unsigned long long) status.high, + (unsigned long long) status.low); + status.high = status.low = 0; + crypt_s390_kimd(KIMD_QUERY, &status, NULL, 0); + printk(KERN_INFO "KIMD:\t%016llx %016llx\n", + (unsigned long long) status.high, + (unsigned long long) status.low); + status.high = status.low = 0; + crypt_s390_klmd(KLMD_QUERY, &status, NULL, 0); + printk(KERN_INFO "KLMD:\t%016llx %016llx\n", + (unsigned long long) status.high, + (unsigned long long) status.low); + status.high = status.low = 0; + crypt_s390_kmac(KMAC_QUERY, &status, NULL, 0); + printk(KERN_INFO "KMAC:\t%016llx %016llx\n", + (unsigned long long) status.high, + (unsigned long long) status.low); + + query_available_functions(); + return -ECANCELED; +} + +static void __exit cleanup(void) +{ +} + +module_init(init); +module_exit(cleanup); + +MODULE_LICENSE("GPL"); diff --git a/arch/s390/crypto/crypt_z990_query.c b/arch/s390/crypto/crypt_z990_query.c deleted file mode 100644 index 7133983..0000000 --- a/arch/s390/crypto/crypt_z990_query.c +++ /dev/null @@ -1,111 +0,0 @@ -/* - * Cryptographic API. - * - * Support for z990 cryptographic instructions. - * Testing module for querying processor crypto capabilities. - * - * Copyright (c) 2003 IBM Deutschland Entwicklung GmbH, IBM Corporation - * Author(s): Thomas Spatzier (tspat@de.ibm.com) - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the Free - * Software Foundation; either version 2 of the License, or (at your option) - * any later version. - * - */ -#include <linux/module.h> -#include <linux/init.h> -#include <linux/kernel.h> -#include <asm/errno.h> -#include "crypt_z990.h" - -static void -query_available_functions(void) -{ - printk(KERN_INFO "#####################\n"); - //query available KM functions - printk(KERN_INFO "KM_QUERY: %d\n", - crypt_z990_func_available(KM_QUERY)); - printk(KERN_INFO "KM_DEA: %d\n", - crypt_z990_func_available(KM_DEA_ENCRYPT)); - printk(KERN_INFO "KM_TDEA_128: %d\n", - crypt_z990_func_available(KM_TDEA_128_ENCRYPT)); - printk(KERN_INFO "KM_TDEA_192: %d\n", - crypt_z990_func_available(KM_TDEA_192_ENCRYPT)); - //query available KMC functions - printk(KERN_INFO "KMC_QUERY: %d\n", - crypt_z990_func_available(KMC_QUERY)); - printk(KERN_INFO "KMC_DEA: %d\n", - crypt_z990_func_available(KMC_DEA_ENCRYPT)); - printk(KERN_INFO "KMC_TDEA_128: %d\n", - crypt_z990_func_available(KMC_TDEA_128_ENCRYPT)); - printk(KERN_INFO "KMC_TDEA_192: %d\n", - crypt_z990_func_available(KMC_TDEA_192_ENCRYPT)); - //query available KIMD fucntions - printk(KERN_INFO "KIMD_QUERY: %d\n", - crypt_z990_func_available(KIMD_QUERY)); - printk(KERN_INFO "KIMD_SHA_1: %d\n", - crypt_z990_func_available(KIMD_SHA_1)); - //query available KLMD functions - printk(KERN_INFO "KLMD_QUERY: %d\n", - crypt_z990_func_available(KLMD_QUERY)); - printk(KERN_INFO "KLMD_SHA_1: %d\n", - crypt_z990_func_available(KLMD_SHA_1)); - //query available KMAC functions - printk(KERN_INFO "KMAC_QUERY: %d\n", - crypt_z990_func_available(KMAC_QUERY)); - printk(KERN_INFO "KMAC_DEA: %d\n", - crypt_z990_func_available(KMAC_DEA)); - printk(KERN_INFO "KMAC_TDEA_128: %d\n", - crypt_z990_func_available(KMAC_TDEA_128)); - printk(KERN_INFO "KMAC_TDEA_192: %d\n", - crypt_z990_func_available(KMAC_TDEA_192)); -} - -static int -init(void) -{ - struct crypt_z990_query_status status = { - .high = 0, - .low = 0 - }; - - printk(KERN_INFO "crypt_z990: querying available crypto functions\n"); - crypt_z990_km(KM_QUERY, &status, NULL, NULL, 0); - printk(KERN_INFO "KM: %016llx %016llx\n", - (unsigned long long) status.high, - (unsigned long long) status.low); - status.high = status.low = 0; - crypt_z990_kmc(KMC_QUERY, &status, NULL, NULL, 0); - printk(KERN_INFO "KMC: %016llx %016llx\n", - (unsigned long long) status.high, - (unsigned long long) status.low); - status.high = status.low = 0; - crypt_z990_kimd(KIMD_QUERY, &status, NULL, 0); - printk(KERN_INFO "KIMD: %016llx %016llx\n", - (unsigned long long) status.high, - (unsigned long long) status.low); - status.high = status.low = 0; - crypt_z990_klmd(KLMD_QUERY, &status, NULL, 0); - printk(KERN_INFO "KLMD: %016llx %016llx\n", - (unsigned long long) status.high, - (unsigned long long) status.low); - status.high = status.low = 0; - crypt_z990_kmac(KMAC_QUERY, &status, NULL, 0); - printk(KERN_INFO "KMAC: %016llx %016llx\n", - (unsigned long long) status.high, - (unsigned long long) status.low); - - query_available_functions(); - return -1; -} - -static void __exit -cleanup(void) -{ -} - -module_init(init); -module_exit(cleanup); - -MODULE_LICENSE("GPL"); diff --git a/arch/s390/crypto/des_z990.c b/arch/s390/crypto/des_s390.c index 813cf37..a38bb2a 100644 --- a/arch/s390/crypto/des_z990.c +++ b/arch/s390/crypto/des_s390.c @@ -1,7 +1,7 @@ /* * Cryptographic API. * - * z990 implementation of the DES Cipher Algorithm. + * s390 implementation of the DES Cipher Algorithm. * * Copyright (c) 2003 IBM Deutschland Entwicklung GmbH, IBM Corporation * Author(s): Thomas Spatzier (tspat@de.ibm.com) @@ -19,7 +19,7 @@ #include <linux/errno.h> #include <asm/scatterlist.h> #include <linux/crypto.h> -#include "crypt_z990.h" +#include "crypt_s390.h" #include "crypto_des.h" #define DES_BLOCK_SIZE 8 @@ -31,17 +31,17 @@ #define DES3_192_KEY_SIZE (3 * DES_KEY_SIZE) #define DES3_192_BLOCK_SIZE DES_BLOCK_SIZE -struct crypt_z990_des_ctx { +struct crypt_s390_des_ctx { u8 iv[DES_BLOCK_SIZE]; u8 key[DES_KEY_SIZE]; }; -struct crypt_z990_des3_128_ctx { +struct crypt_s390_des3_128_ctx { u8 iv[DES_BLOCK_SIZE]; u8 key[DES3_128_KEY_SIZE]; }; -struct crypt_z990_des3_192_ctx { +struct crypt_s390_des3_192_ctx { u8 iv[DES_BLOCK_SIZE]; u8 key[DES3_192_KEY_SIZE]; }; @@ -49,7 +49,7 @@ struct crypt_z990_des3_192_ctx { static int des_setkey(void *ctx, const u8 *key, unsigned int keylen, u32 *flags) { - struct crypt_z990_des_ctx *dctx; + struct crypt_s390_des_ctx *dctx; int ret; dctx = ctx; @@ -65,26 +65,26 @@ des_setkey(void *ctx, const u8 *key, unsigned int keylen, u32 *flags) static void des_encrypt(void *ctx, u8 *dst, const u8 *src) { - struct crypt_z990_des_ctx *dctx; + struct crypt_s390_des_ctx *dctx; dctx = ctx; - crypt_z990_km(KM_DEA_ENCRYPT, dctx->key, dst, src, DES_BLOCK_SIZE); + crypt_s390_km(KM_DEA_ENCRYPT, dctx->key, dst, src, DES_BLOCK_SIZE); } static void des_decrypt(void *ctx, u8 *dst, const u8 *src) { - struct crypt_z990_des_ctx *dctx; + struct crypt_s390_des_ctx *dctx; dctx = ctx; - crypt_z990_km(KM_DEA_DECRYPT, dctx->key, dst, src, DES_BLOCK_SIZE); + crypt_s390_km(KM_DEA_DECRYPT, dctx->key, dst, src, DES_BLOCK_SIZE); } static struct crypto_alg des_alg = { .cra_name = "des", .cra_flags = CRYPTO_ALG_TYPE_CIPHER, .cra_blocksize = DES_BLOCK_SIZE, - .cra_ctxsize = sizeof(struct crypt_z990_des_ctx), + .cra_ctxsize = sizeof(struct crypt_s390_des_ctx), .cra_module = THIS_MODULE, .cra_list = LIST_HEAD_INIT(des_alg.cra_list), .cra_u = { .cipher = { @@ -111,7 +111,7 @@ static int des3_128_setkey(void *ctx, const u8 *key, unsigned int keylen, u32 *flags) { int i, ret; - struct crypt_z990_des3_128_ctx *dctx; + struct crypt_s390_des3_128_ctx *dctx; const u8* temp_key = key; dctx = ctx; @@ -132,20 +132,20 @@ des3_128_setkey(void *ctx, const u8 *key, unsigned int keylen, u32 *flags) static void des3_128_encrypt(void *ctx, u8 *dst, const u8 *src) { - struct crypt_z990_des3_128_ctx *dctx; + struct crypt_s390_des3_128_ctx *dctx; dctx = ctx; - crypt_z990_km(KM_TDEA_128_ENCRYPT, dctx->key, dst, (void*)src, + crypt_s390_km(KM_TDEA_128_ENCRYPT, dctx->key, dst, (void*)src, DES3_128_BLOCK_SIZE); } static void des3_128_decrypt(void *ctx, u8 *dst, const u8 *src) { - struct crypt_z990_des3_128_ctx *dctx; + struct crypt_s390_des3_128_ctx *dctx; dctx = ctx; - crypt_z990_km(KM_TDEA_128_DECRYPT, dctx->key, dst, (void*)src, + crypt_s390_km(KM_TDEA_128_DECRYPT, dctx->key, dst, (void*)src, DES3_128_BLOCK_SIZE); } @@ -153,7 +153,7 @@ static struct crypto_alg des3_128_alg = { .cra_name = "des3_ede128", .cra_flags = CRYPTO_ALG_TYPE_CIPHER, .cra_blocksize = DES3_128_BLOCK_SIZE, - .cra_ctxsize = sizeof(struct crypt_z990_des3_128_ctx), + .cra_ctxsize = sizeof(struct crypt_s390_des3_128_ctx), .cra_module = THIS_MODULE, .cra_list = LIST_HEAD_INIT(des3_128_alg.cra_list), .cra_u = { .cipher = { @@ -181,7 +181,7 @@ static int des3_192_setkey(void *ctx, const u8 *key, unsigned int keylen, u32 *flags) { int i, ret; - struct crypt_z990_des3_192_ctx *dctx; + struct crypt_s390_des3_192_ctx *dctx; const u8* temp_key; dctx = ctx; @@ -206,20 +206,20 @@ des3_192_setkey(void *ctx, const u8 *key, unsigned int keylen, u32 *flags) static void des3_192_encrypt(void *ctx, u8 *dst, const u8 *src) { - struct crypt_z990_des3_192_ctx *dctx; + struct crypt_s390_des3_192_ctx *dctx; dctx = ctx; - crypt_z990_km(KM_TDEA_192_ENCRYPT, dctx->key, dst, (void*)src, + crypt_s390_km(KM_TDEA_192_ENCRYPT, dctx->key, dst, (void*)src, DES3_192_BLOCK_SIZE); } static void des3_192_decrypt(void *ctx, u8 *dst, const u8 *src) { - struct crypt_z990_des3_192_ctx *dctx; + struct crypt_s390_des3_192_ctx *dctx; dctx = ctx; - crypt_z990_km(KM_TDEA_192_DECRYPT, dctx->key, dst, (void*)src, + crypt_s390_km(KM_TDEA_192_DECRYPT, dctx->key, dst, (void*)src, DES3_192_BLOCK_SIZE); } @@ -227,7 +227,7 @@ static struct crypto_alg des3_192_alg = { .cra_name = "des3_ede", .cra_flags = CRYPTO_ALG_TYPE_CIPHER, .cra_blocksize = DES3_192_BLOCK_SIZE, - .cra_ctxsize = sizeof(struct crypt_z990_des3_192_ctx), + .cra_ctxsize = sizeof(struct crypt_s390_des3_192_ctx), .cra_module = THIS_MODULE, .cra_list = LIST_HEAD_INIT(des3_192_alg.cra_list), .cra_u = { .cipher = { @@ -245,9 +245,9 @@ init(void) { int ret; - if (!crypt_z990_func_available(KM_DEA_ENCRYPT) || - !crypt_z990_func_available(KM_TDEA_128_ENCRYPT) || - !crypt_z990_func_available(KM_TDEA_192_ENCRYPT)){ + if (!crypt_s390_func_available(KM_DEA_ENCRYPT) || + !crypt_s390_func_available(KM_TDEA_128_ENCRYPT) || + !crypt_s390_func_available(KM_TDEA_192_ENCRYPT)){ return -ENOSYS; } @@ -262,7 +262,7 @@ init(void) return -EEXIST; } - printk(KERN_INFO "crypt_z990: des_z990 loaded.\n"); + printk(KERN_INFO "crypt_s390: des_s390 loaded.\n"); return 0; } diff --git a/arch/s390/crypto/sha1_z990.c b/arch/s390/crypto/sha1_s390.c index 298174d..98c896b 100644 --- a/arch/s390/crypto/sha1_z990.c +++ b/arch/s390/crypto/sha1_s390.c @@ -1,7 +1,7 @@ /* * Cryptographic API. * - * z990 implementation of the SHA1 Secure Hash Algorithm. + * s390 implementation of the SHA1 Secure Hash Algorithm. * * Derived from cryptoapi implementation, adapted for in-place * scatterlist interface. Originally based on the public domain @@ -28,22 +28,22 @@ #include <linux/crypto.h> #include <asm/scatterlist.h> #include <asm/byteorder.h> -#include "crypt_z990.h" +#include "crypt_s390.h" #define SHA1_DIGEST_SIZE 20 #define SHA1_BLOCK_SIZE 64 -struct crypt_z990_sha1_ctx { - u64 count; - u32 state[5]; +struct crypt_s390_sha1_ctx { + u64 count; + u32 state[5]; u32 buf_len; - u8 buffer[2 * SHA1_BLOCK_SIZE]; + u8 buffer[2 * SHA1_BLOCK_SIZE]; }; static void sha1_init(void *ctx) { - static const struct crypt_z990_sha1_ctx initstate = { + static const struct crypt_s390_sha1_ctx initstate = { .state = { 0x67452301, 0xEFCDAB89, @@ -58,7 +58,7 @@ sha1_init(void *ctx) static void sha1_update(void *ctx, const u8 *data, unsigned int len) { - struct crypt_z990_sha1_ctx *sctx; + struct crypt_s390_sha1_ctx *sctx; long imd_len; sctx = ctx; @@ -69,7 +69,7 @@ sha1_update(void *ctx, const u8 *data, unsigned int len) //complete full block and hash memcpy(sctx->buffer + sctx->buf_len, data, SHA1_BLOCK_SIZE - sctx->buf_len); - crypt_z990_kimd(KIMD_SHA_1, sctx->state, sctx->buffer, + crypt_s390_kimd(KIMD_SHA_1, sctx->state, sctx->buffer, SHA1_BLOCK_SIZE); data += SHA1_BLOCK_SIZE - sctx->buf_len; len -= SHA1_BLOCK_SIZE - sctx->buf_len; @@ -79,7 +79,7 @@ sha1_update(void *ctx, const u8 *data, unsigned int len) //rest of data contains full blocks? imd_len = len & ~0x3ful; if (imd_len){ - crypt_z990_kimd(KIMD_SHA_1, sctx->state, data, imd_len); + crypt_s390_kimd(KIMD_SHA_1, sctx->state, data, imd_len); data += imd_len; len -= imd_len; } @@ -92,7 +92,7 @@ sha1_update(void *ctx, const u8 *data, unsigned int len) static void -pad_message(struct crypt_z990_sha1_ctx* sctx) +pad_message(struct crypt_s390_sha1_ctx* sctx) { int index; @@ -113,11 +113,11 @@ pad_message(struct crypt_z990_sha1_ctx* sctx) static void sha1_final(void* ctx, u8 *out) { - struct crypt_z990_sha1_ctx *sctx = ctx; + struct crypt_s390_sha1_ctx *sctx = ctx; //must perform manual padding pad_message(sctx); - crypt_z990_kimd(KIMD_SHA_1, sctx->state, sctx->buffer, sctx->buf_len); + crypt_s390_kimd(KIMD_SHA_1, sctx->state, sctx->buffer, sctx->buf_len); //copy digest to out memcpy(out, sctx->state, SHA1_DIGEST_SIZE); /* Wipe context */ @@ -128,7 +128,7 @@ static struct crypto_alg alg = { .cra_name = "sha1", .cra_flags = CRYPTO_ALG_TYPE_DIGEST, .cra_blocksize = SHA1_BLOCK_SIZE, - .cra_ctxsize = sizeof(struct crypt_z990_sha1_ctx), + .cra_ctxsize = sizeof(struct crypt_s390_sha1_ctx), .cra_module = THIS_MODULE, .cra_list = LIST_HEAD_INIT(alg.cra_list), .cra_u = { .digest = { @@ -143,10 +143,10 @@ init(void) { int ret = -ENOSYS; - if (crypt_z990_func_available(KIMD_SHA_1)){ + if (crypt_s390_func_available(KIMD_SHA_1)){ ret = crypto_register_alg(&alg); if (ret == 0){ - printk(KERN_INFO "crypt_z990: sha1_z990 loaded.\n"); + printk(KERN_INFO "crypt_s390: sha1_s390 loaded.\n"); } } return ret; diff --git a/arch/s390/crypto/sha256_s390.c b/arch/s390/crypto/sha256_s390.c new file mode 100644 index 0000000..b75bdbd --- /dev/null +++ b/arch/s390/crypto/sha256_s390.c @@ -0,0 +1,151 @@ +/* + * Cryptographic API. + * + * s390 implementation of the SHA256 Secure Hash Algorithm. + * + * s390 Version: + * Copyright (C) 2005 IBM Deutschland GmbH, IBM Corporation + * Author(s): Jan Glauber (jang@de.ibm.com) + * + * Derived from "crypto/sha256.c" + * and "arch/s390/crypto/sha1_s390.c" + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + * + */ +#include <linux/init.h> +#include <linux/module.h> +#include <linux/crypto.h> + +#include "crypt_s390.h" + +#define SHA256_DIGEST_SIZE 32 +#define SHA256_BLOCK_SIZE 64 + +struct s390_sha256_ctx { + u64 count; + u32 state[8]; + u8 buf[2 * SHA256_BLOCK_SIZE]; +}; + +static void sha256_init(void *ctx) +{ + struct s390_sha256_ctx *sctx = ctx; + + sctx->state[0] = 0x6a09e667; + sctx->state[1] = 0xbb67ae85; + sctx->state[2] = 0x3c6ef372; + sctx->state[3] = 0xa54ff53a; + sctx->state[4] = 0x510e527f; + sctx->state[5] = 0x9b05688c; + sctx->state[6] = 0x1f83d9ab; + sctx->state[7] = 0x5be0cd19; + sctx->count = 0; + memset(sctx->buf, 0, sizeof(sctx->buf)); +} + +static void sha256_update(void *ctx, const u8 *data, unsigned int len) +{ + struct s390_sha256_ctx *sctx = ctx; + unsigned int index; + + /* how much is already in the buffer? */ + index = sctx->count / 8 & 0x3f; + + /* update message bit length */ + sctx->count += len * 8; + + /* process one block */ + if ((index + len) >= SHA256_BLOCK_SIZE) { + memcpy(sctx->buf + index, data, SHA256_BLOCK_SIZE - index); + crypt_s390_kimd(KIMD_SHA_256, sctx->state, sctx->buf, + SHA256_BLOCK_SIZE); + data += SHA256_BLOCK_SIZE - index; + len -= SHA256_BLOCK_SIZE - index; + } + + /* anything left? */ + if (len) + memcpy(sctx->buf + index , data, len); +} + +static void pad_message(struct s390_sha256_ctx* sctx) +{ + int index, end; + + index = sctx->count / 8 & 0x3f; + end = index < 56 ? SHA256_BLOCK_SIZE : 2 * SHA256_BLOCK_SIZE; + + /* start pad with 1 */ + sctx->buf[index] = 0x80; + + /* pad with zeros */ + index++; + memset(sctx->buf + index, 0x00, end - index - 8); + + /* append message length */ + memcpy(sctx->buf + end - 8, &sctx->count, sizeof sctx->count); + + sctx->count = end * 8; +} + +/* Add padding and return the message digest */ +static void sha256_final(void* ctx, u8 *out) +{ + struct s390_sha256_ctx *sctx = ctx; + + /* must perform manual padding */ + pad_message(sctx); + + crypt_s390_kimd(KIMD_SHA_256, sctx->state, sctx->buf, + sctx->count / 8); + + /* copy digest to out */ + memcpy(out, sctx->state, SHA256_DIGEST_SIZE); + + /* wipe context */ + memset(sctx, 0, sizeof *sctx); +} + +static struct crypto_alg alg = { + .cra_name = "sha256", + .cra_flags = CRYPTO_ALG_TYPE_DIGEST, + .cra_blocksize = SHA256_BLOCK_SIZE, + .cra_ctxsize = sizeof(struct s390_sha256_ctx), + .cra_module = THIS_MODULE, + .cra_list = LIST_HEAD_INIT(alg.cra_list), + .cra_u = { .digest = { + .dia_digestsize = SHA256_DIGEST_SIZE, + .dia_init = sha256_init, + .dia_update = sha256_update, + .dia_final = sha256_final } } +}; + +static int init(void) +{ + int ret; + + if (!crypt_s390_func_available(KIMD_SHA_256)) + return -ENOSYS; + + ret = crypto_register_alg(&alg); + if (ret != 0) + printk(KERN_INFO "crypt_s390: sha256_s390 couldn't be loaded."); + return ret; +} + +static void __exit fini(void) +{ + crypto_unregister_alg(&alg); +} + +module_init(init); +module_exit(fini); + +MODULE_ALIAS("sha256"); + +MODULE_LICENSE("GPL"); +MODULE_DESCRIPTION("SHA256 Secure Hash Algorithm"); diff --git a/arch/s390/defconfig b/arch/s390/defconfig index 45d44c6..7d23edc 100644 --- a/arch/s390/defconfig +++ b/arch/s390/defconfig @@ -1,12 +1,12 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.14-rc1 -# Wed Sep 14 16:46:19 2005 +# Linux kernel version: 2.6.15-rc2 +# Mon Nov 21 13:51:30 2005 # CONFIG_MMU=y CONFIG_RWSEM_XCHGADD_ALGORITHM=y CONFIG_GENERIC_CALIBRATE_DELAY=y -CONFIG_ARCH_S390=y +CONFIG_S390=y CONFIG_UID16=y # @@ -65,15 +65,31 @@ CONFIG_KMOD=y CONFIG_STOP_MACHINE=y # +# Block layer +# +# CONFIG_LBD is not set + +# +# IO Schedulers +# +CONFIG_IOSCHED_NOOP=y +CONFIG_IOSCHED_AS=y +CONFIG_IOSCHED_DEADLINE=y +CONFIG_IOSCHED_CFQ=y +CONFIG_DEFAULT_AS=y +# CONFIG_DEFAULT_DEADLINE is not set +# CONFIG_DEFAULT_CFQ is not set +# CONFIG_DEFAULT_NOOP is not set +CONFIG_DEFAULT_IOSCHED="anticipatory" + +# # Base setup # # # Processor type and features # -# CONFIG_ARCH_S390X is not set # CONFIG_64BIT is not set -CONFIG_ARCH_S390_31=y CONFIG_SMP=y CONFIG_NR_CPUS=32 CONFIG_HOTPLUG_CPU=y @@ -97,6 +113,7 @@ CONFIG_FLATMEM_MANUAL=y CONFIG_FLATMEM=y CONFIG_FLAT_NODE_MEM_MAP=y # CONFIG_SPARSEMEM_STATIC is not set +CONFIG_SPLIT_PTLOCK_CPUS=4 # # I/O subsystem configuration @@ -188,10 +205,18 @@ CONFIG_IPV6=y # CONFIG_NET_DIVERT is not set # CONFIG_ECONET is not set # CONFIG_WAN_ROUTER is not set + +# +# QoS and/or fair queueing +# CONFIG_NET_SCHED=y CONFIG_NET_SCH_CLK_JIFFIES=y # CONFIG_NET_SCH_CLK_GETTIMEOFDAY is not set # CONFIG_NET_SCH_CLK_CPU is not set + +# +# Queueing/Scheduling +# CONFIG_NET_SCH_CBQ=m # CONFIG_NET_SCH_HTB is not set # CONFIG_NET_SCH_HFSC is not set @@ -204,8 +229,10 @@ CONFIG_NET_SCH_GRED=m CONFIG_NET_SCH_DSMARK=m # CONFIG_NET_SCH_NETEM is not set # CONFIG_NET_SCH_INGRESS is not set -CONFIG_NET_QOS=y -CONFIG_NET_ESTIMATOR=y + +# +# Classification +# CONFIG_NET_CLS=y # CONFIG_NET_CLS_BASIC is not set CONFIG_NET_CLS_TCINDEX=m @@ -214,18 +241,18 @@ CONFIG_NET_CLS_ROUTE=y CONFIG_NET_CLS_FW=m CONFIG_NET_CLS_U32=m # CONFIG_CLS_U32_PERF is not set -# CONFIG_NET_CLS_IND is not set CONFIG_NET_CLS_RSVP=m CONFIG_NET_CLS_RSVP6=m # CONFIG_NET_EMATCH is not set # CONFIG_NET_CLS_ACT is not set CONFIG_NET_CLS_POLICE=y +# CONFIG_NET_CLS_IND is not set +CONFIG_NET_ESTIMATOR=y # # Network testing # # CONFIG_NET_PKTGEN is not set -# CONFIG_NETFILTER_NETLINK is not set # CONFIG_HAMRADIO is not set # CONFIG_IRDA is not set # CONFIG_BT is not set @@ -276,6 +303,7 @@ CONFIG_SCSI_FC_ATTRS=y # # SCSI low-level drivers # +# CONFIG_ISCSI_TCP is not set # CONFIG_SCSI_SATA is not set # CONFIG_SCSI_DEBUG is not set CONFIG_ZFCP=y @@ -292,7 +320,6 @@ CONFIG_BLK_DEV_RAM=y CONFIG_BLK_DEV_RAM_COUNT=16 CONFIG_BLK_DEV_RAM_SIZE=4096 CONFIG_BLK_DEV_INITRD=y -# CONFIG_LBD is not set # CONFIG_CDROM_PKTCDVD is not set # @@ -305,15 +332,8 @@ CONFIG_DASD_PROFILE=y CONFIG_DASD_ECKD=y CONFIG_DASD_FBA=y CONFIG_DASD_DIAG=y +CONFIG_DASD_EER=m # CONFIG_DASD_CMB is not set - -# -# IO Schedulers -# -CONFIG_IOSCHED_NOOP=y -CONFIG_IOSCHED_AS=y -CONFIG_IOSCHED_DEADLINE=y -CONFIG_IOSCHED_CFQ=y # CONFIG_ATA_OVER_ETH is not set # @@ -378,7 +398,6 @@ CONFIG_S390_TAPE_34XX=m # CONFIG_VMLOGRDR is not set # CONFIG_VMCP is not set # CONFIG_MONREADER is not set -# CONFIG_DCSS_SHM is not set # # Cryptographic devices @@ -593,6 +612,8 @@ CONFIG_DEBUG_PREEMPT=y # CONFIG_DEBUG_KOBJECT is not set # CONFIG_DEBUG_INFO is not set CONFIG_DEBUG_FS=y +# CONFIG_DEBUG_VM is not set +# CONFIG_RCU_TORTURE_TEST is not set # # Security options @@ -609,17 +630,19 @@ CONFIG_CRYPTO=y # CONFIG_CRYPTO_MD4 is not set # CONFIG_CRYPTO_MD5 is not set # CONFIG_CRYPTO_SHA1 is not set -# CONFIG_CRYPTO_SHA1_Z990 is not set +# CONFIG_CRYPTO_SHA1_S390 is not set # CONFIG_CRYPTO_SHA256 is not set +# CONFIG_CRYPTO_SHA256_S390 is not set # CONFIG_CRYPTO_SHA512 is not set # CONFIG_CRYPTO_WP512 is not set # CONFIG_CRYPTO_TGR192 is not set # CONFIG_CRYPTO_DES is not set -# CONFIG_CRYPTO_DES_Z990 is not set +# CONFIG_CRYPTO_DES_S390 is not set # CONFIG_CRYPTO_BLOWFISH is not set # CONFIG_CRYPTO_TWOFISH is not set # CONFIG_CRYPTO_SERPENT is not set # CONFIG_CRYPTO_AES is not set +# CONFIG_CRYPTO_AES_S390 is not set # CONFIG_CRYPTO_CAST5 is not set # CONFIG_CRYPTO_CAST6 is not set # CONFIG_CRYPTO_TEA is not set diff --git a/arch/s390/kernel/Makefile b/arch/s390/kernel/Makefile index 7434c32..4865e4b 100644 --- a/arch/s390/kernel/Makefile +++ b/arch/s390/kernel/Makefile @@ -8,31 +8,26 @@ obj-y := bitmap.o traps.o time.o process.o \ setup.o sys_s390.o ptrace.o signal.o cpcmd.o ebcdic.o \ semaphore.o s390_ext.o debug.o profile.o irq.o reipl_diag.o +obj-y += $(if $(CONFIG_64BIT),entry64.o,entry.o) +obj-y += $(if $(CONFIG_64BIT),reipl64.o,reipl.o) + extra-y += head.o init_task.o vmlinux.lds obj-$(CONFIG_MODULES) += s390_ksyms.o module.o obj-$(CONFIG_SMP) += smp.o -obj-$(CONFIG_S390_SUPPORT) += compat_linux.o compat_signal.o \ +obj-$(CONFIG_COMPAT) += compat_linux.o compat_signal.o \ compat_ioctl.o compat_wrapper.o \ compat_exec_domain.o obj-$(CONFIG_BINFMT_ELF32) += binfmt_elf32.o -obj-$(CONFIG_ARCH_S390_31) += entry.o reipl.o -obj-$(CONFIG_ARCH_S390X) += entry64.o reipl64.o - obj-$(CONFIG_VIRT_TIMER) += vtime.o # Kexec part S390_KEXEC_OBJS := machine_kexec.o crash.o -ifeq ($(CONFIG_ARCH_S390X),y) -S390_KEXEC_OBJS += relocate_kernel64.o -else -S390_KEXEC_OBJS += relocate_kernel.o -endif +S390_KEXEC_OBJS += $(if $(CONFIG_64BIT),relocate_kernel64.o,relocate_kernel.o) obj-$(CONFIG_KEXEC) += $(S390_KEXEC_OBJS) - # # This is just to get the dependencies... # diff --git a/arch/s390/kernel/compat_linux.c b/arch/s390/kernel/compat_linux.c index ed877d0..41b197a 100644 --- a/arch/s390/kernel/compat_linux.c +++ b/arch/s390/kernel/compat_linux.c @@ -279,7 +279,7 @@ asmlinkage long sys32_getegid16(void) static inline long get_tv32(struct timeval *o, struct compat_timeval *i) { - return (!access_ok(VERIFY_READ, tv32, sizeof(*tv32)) || + return (!access_ok(VERIFY_READ, o, sizeof(*o)) || (__get_user(o->tv_sec, &i->tv_sec) || __get_user(o->tv_usec, &i->tv_usec))); } diff --git a/arch/s390/kernel/compat_signal.c b/arch/s390/kernel/compat_signal.c index 4ff6808..fa2b3bc 100644 --- a/arch/s390/kernel/compat_signal.c +++ b/arch/s390/kernel/compat_signal.c @@ -467,8 +467,6 @@ asmlinkage long sys32_rt_sigreturn(struct pt_regs *regs) if (err) goto badframe; - /* It is more difficult to avoid calling this function than to - call it and ignore errors. */ set_fs (KERNEL_DS); do_sigaltstack((stack_t __user *)&st, NULL, regs->gprs[15]); set_fs (old_fs); diff --git a/arch/s390/kernel/cpcmd.c b/arch/s390/kernel/cpcmd.c index d47fecb..4ef44e5 100644 --- a/arch/s390/kernel/cpcmd.c +++ b/arch/s390/kernel/cpcmd.c @@ -39,7 +39,7 @@ int __cpcmd(const char *cmd, char *response, int rlen, int *response_code) if (response != NULL && rlen > 0) { memset(response, 0, rlen); -#ifndef CONFIG_ARCH_S390X +#ifndef CONFIG_64BIT asm volatile ( "lra 2,0(%2)\n" "lr 4,%3\n" "o 4,%6\n" @@ -55,7 +55,7 @@ int __cpcmd(const char *cmd, char *response, int rlen, int *response_code) : "a" (cpcmd_buf), "d" (cmdlen), "a" (response), "d" (rlen), "m" (mask) : "cc", "2", "3", "4", "5" ); -#else /* CONFIG_ARCH_S390X */ +#else /* CONFIG_64BIT */ asm volatile ( "lrag 2,0(%2)\n" "lgr 4,%3\n" "o 4,%6\n" @@ -73,11 +73,11 @@ int __cpcmd(const char *cmd, char *response, int rlen, int *response_code) : "a" (cpcmd_buf), "d" (cmdlen), "a" (response), "d" (rlen), "m" (mask) : "cc", "2", "3", "4", "5" ); -#endif /* CONFIG_ARCH_S390X */ +#endif /* CONFIG_64BIT */ EBCASC(response, rlen); } else { return_len = 0; -#ifndef CONFIG_ARCH_S390X +#ifndef CONFIG_64BIT asm volatile ( "lra 2,0(%1)\n" "lr 3,%2\n" "diag 2,3,0x8\n" @@ -85,7 +85,7 @@ int __cpcmd(const char *cmd, char *response, int rlen, int *response_code) : "=d" (return_code) : "a" (cpcmd_buf), "d" (cmdlen) : "2", "3" ); -#else /* CONFIG_ARCH_S390X */ +#else /* CONFIG_64BIT */ asm volatile ( "lrag 2,0(%1)\n" "lgr 3,%2\n" "sam31\n" @@ -95,7 +95,7 @@ int __cpcmd(const char *cmd, char *response, int rlen, int *response_code) : "=d" (return_code) : "a" (cpcmd_buf), "d" (cmdlen) : "2", "3" ); -#endif /* CONFIG_ARCH_S390X */ +#endif /* CONFIG_64BIT */ } spin_unlock_irqrestore(&cpcmd_lock, flags); if (response_code != NULL) @@ -105,7 +105,7 @@ int __cpcmd(const char *cmd, char *response, int rlen, int *response_code) EXPORT_SYMBOL(__cpcmd); -#ifdef CONFIG_ARCH_S390X +#ifdef CONFIG_64BIT int cpcmd(const char *cmd, char *response, int rlen, int *response_code) { char *lowbuf; @@ -129,4 +129,4 @@ int cpcmd(const char *cmd, char *response, int rlen, int *response_code) } EXPORT_SYMBOL(cpcmd); -#endif /* CONFIG_ARCH_S390X */ +#endif /* CONFIG_64BIT */ diff --git a/arch/s390/kernel/entry64.S b/arch/s390/kernel/entry64.S index 4eb71ff..369ab44 100644 --- a/arch/s390/kernel/entry64.S +++ b/arch/s390/kernel/entry64.S @@ -213,7 +213,7 @@ sysc_nr_ok: mvc SP_ARGS(8,%r15),SP_R7(%r15) sysc_do_restart: larl %r10,sys_call_table -#ifdef CONFIG_S390_SUPPORT +#ifdef CONFIG_COMPAT tm __TI_flags+5(%r9),(_TIF_31BIT>>16) # running in 31 bit mode ? jno sysc_noemu larl %r10,sys_call_table_emu # use 31 bit emulation system calls @@ -361,7 +361,7 @@ sys_clone_glue: la %r2,SP_PTREGS(%r15) # load pt_regs jg sys_clone # branch to sys_clone -#ifdef CONFIG_S390_SUPPORT +#ifdef CONFIG_COMPAT sys32_clone_glue: la %r2,SP_PTREGS(%r15) # load pt_regs jg sys32_clone # branch to sys32_clone @@ -383,7 +383,7 @@ sys_execve_glue: bnz 0(%r12) # it did fail -> store result in gpr2 b 6(%r12) # SKIP STG 2,SP_R2(15) in # system_call/sysc_tracesys -#ifdef CONFIG_S390_SUPPORT +#ifdef CONFIG_COMPAT sys32_execve_glue: la %r2,SP_PTREGS(%r15) # load pt_regs lgr %r12,%r14 # save return address @@ -398,7 +398,7 @@ sys_sigreturn_glue: la %r2,SP_PTREGS(%r15) # load pt_regs as parameter jg sys_sigreturn # branch to sys_sigreturn -#ifdef CONFIG_S390_SUPPORT +#ifdef CONFIG_COMPAT sys32_sigreturn_glue: la %r2,SP_PTREGS(%r15) # load pt_regs as parameter jg sys32_sigreturn # branch to sys32_sigreturn @@ -408,7 +408,7 @@ sys_rt_sigreturn_glue: la %r2,SP_PTREGS(%r15) # load pt_regs as parameter jg sys_rt_sigreturn # branch to sys_sigreturn -#ifdef CONFIG_S390_SUPPORT +#ifdef CONFIG_COMPAT sys32_rt_sigreturn_glue: la %r2,SP_PTREGS(%r15) # load pt_regs as parameter jg sys32_rt_sigreturn # branch to sys32_sigreturn @@ -429,7 +429,7 @@ sys_sigsuspend_glue: la %r14,6(%r14) # skip store of return value jg sys_sigsuspend # branch to sys_sigsuspend -#ifdef CONFIG_S390_SUPPORT +#ifdef CONFIG_COMPAT sys32_sigsuspend_glue: llgfr %r4,%r4 # unsigned long lgr %r5,%r4 # move mask back @@ -449,7 +449,7 @@ sys_rt_sigsuspend_glue: la %r14,6(%r14) # skip store of return value jg sys_rt_sigsuspend # branch to sys_rt_sigsuspend -#ifdef CONFIG_S390_SUPPORT +#ifdef CONFIG_COMPAT sys32_rt_sigsuspend_glue: llgfr %r3,%r3 # size_t lgr %r4,%r3 # move sigsetsize parameter @@ -464,7 +464,7 @@ sys_sigaltstack_glue: la %r4,SP_PTREGS(%r15) # load pt_regs as parameter jg sys_sigaltstack # branch to sys_sigreturn -#ifdef CONFIG_S390_SUPPORT +#ifdef CONFIG_COMPAT sys32_sigaltstack_glue: la %r4,SP_PTREGS(%r15) # load pt_regs as parameter jg sys32_sigaltstack_wrapper # branch to sys_sigreturn @@ -1009,7 +1009,7 @@ sys_call_table: #include "syscalls.S" #undef SYSCALL -#ifdef CONFIG_S390_SUPPORT +#ifdef CONFIG_COMPAT #define SYSCALL(esa,esame,emu) .long emu .globl sys_call_table_emu diff --git a/arch/s390/kernel/head.S b/arch/s390/kernel/head.S index d31a97c..ea88d06 100644 --- a/arch/s390/kernel/head.S +++ b/arch/s390/kernel/head.S @@ -30,7 +30,7 @@ #include <asm/thread_info.h> #include <asm/page.h> -#ifdef CONFIG_ARCH_S390X +#ifdef CONFIG_64BIT #define ARCH_OFFSET 4 #else #define ARCH_OFFSET 0 @@ -539,7 +539,7 @@ ipl_devno: .word 0 .endm -#ifdef CONFIG_ARCH_S390X +#ifdef CONFIG_64BIT #include "head64.S" #else #include "head31.S" diff --git a/arch/s390/kernel/machine_kexec.c b/arch/s390/kernel/machine_kexec.c index 5aa71b0..f0ed5c6 100644 --- a/arch/s390/kernel/machine_kexec.c +++ b/arch/s390/kernel/machine_kexec.c @@ -85,7 +85,7 @@ kexec_halt_all_cpus(void *kernel_image) pfault_fini(); #endif - if (atomic_compare_and_swap(-1, smp_processor_id(), &cpuid)) + if (atomic_cmpxchg(&cpuid, -1, smp_processor_id()) != -1) signal_processor(smp_processor_id(), sigp_stop); /* Wait for all other cpus to enter stopped state */ diff --git a/arch/s390/kernel/module.c b/arch/s390/kernel/module.c index 607d506..c271cda 100644 --- a/arch/s390/kernel/module.c +++ b/arch/s390/kernel/module.c @@ -37,11 +37,11 @@ #define DEBUGP(fmt , ...) #endif -#ifndef CONFIG_ARCH_S390X +#ifndef CONFIG_64BIT #define PLT_ENTRY_SIZE 12 -#else /* CONFIG_ARCH_S390X */ +#else /* CONFIG_64BIT */ #define PLT_ENTRY_SIZE 20 -#endif /* CONFIG_ARCH_S390X */ +#endif /* CONFIG_64BIT */ void *module_alloc(unsigned long size) { @@ -294,17 +294,17 @@ apply_rela(Elf_Rela *rela, Elf_Addr base, Elf_Sym *symtab, unsigned int *ip; ip = me->module_core + me->arch.plt_offset + info->plt_offset; -#ifndef CONFIG_ARCH_S390X +#ifndef CONFIG_64BIT ip[0] = 0x0d105810; /* basr 1,0; l 1,6(1); br 1 */ ip[1] = 0x100607f1; ip[2] = val; -#else /* CONFIG_ARCH_S390X */ +#else /* CONFIG_64BIT */ ip[0] = 0x0d10e310; /* basr 1,0; lg 1,10(1); br 1 */ ip[1] = 0x100a0004; ip[2] = 0x07f10000; ip[3] = (unsigned int) (val >> 32); ip[4] = (unsigned int) val; -#endif /* CONFIG_ARCH_S390X */ +#endif /* CONFIG_64BIT */ info->plt_initialized = 1; } if (r_type == R_390_PLTOFF16 || diff --git a/arch/s390/kernel/process.c b/arch/s390/kernel/process.c index 78b64fe5..a942bf2 100644 --- a/arch/s390/kernel/process.c +++ b/arch/s390/kernel/process.c @@ -235,7 +235,7 @@ int copy_thread(int nr, unsigned long clone_flags, unsigned long new_stackp, /* Save access registers to new thread structure. */ save_access_regs(&p->thread.acrs[0]); -#ifndef CONFIG_ARCH_S390X +#ifndef CONFIG_64BIT /* * save fprs to current->thread.fp_regs to merge them with * the emulated registers and then copy the result to the child. @@ -247,7 +247,7 @@ int copy_thread(int nr, unsigned long clone_flags, unsigned long new_stackp, /* Set a new TLS ? */ if (clone_flags & CLONE_SETTLS) p->thread.acrs[0] = regs->gprs[6]; -#else /* CONFIG_ARCH_S390X */ +#else /* CONFIG_64BIT */ /* Save the fpu registers to new thread structure. */ save_fp_regs(&p->thread.fp_regs); p->thread.user_seg = __pa((unsigned long) p->mm->pgd) | _REGION_TABLE; @@ -260,7 +260,7 @@ int copy_thread(int nr, unsigned long clone_flags, unsigned long new_stackp, p->thread.acrs[1] = (unsigned int) regs->gprs[6]; } } -#endif /* CONFIG_ARCH_S390X */ +#endif /* CONFIG_64BIT */ /* start new process with ar4 pointing to the correct address space */ p->thread.mm_segment = get_fs(); /* Don't copy debug registers */ @@ -339,16 +339,16 @@ out: */ int dump_fpu (struct pt_regs * regs, s390_fp_regs *fpregs) { -#ifndef CONFIG_ARCH_S390X +#ifndef CONFIG_64BIT /* * save fprs to current->thread.fp_regs to merge them with * the emulated registers and then copy the result to the dump. */ save_fp_regs(¤t->thread.fp_regs); memcpy(fpregs, ¤t->thread.fp_regs, sizeof(s390_fp_regs)); -#else /* CONFIG_ARCH_S390X */ +#else /* CONFIG_64BIT */ save_fp_regs(fpregs); -#endif /* CONFIG_ARCH_S390X */ +#endif /* CONFIG_64BIT */ return 1; } diff --git a/arch/s390/kernel/ptrace.c b/arch/s390/kernel/ptrace.c index 06afa31..8ecda6d 100644 --- a/arch/s390/kernel/ptrace.c +++ b/arch/s390/kernel/ptrace.c @@ -42,7 +42,7 @@ #include <asm/uaccess.h> #include <asm/unistd.h> -#ifdef CONFIG_S390_SUPPORT +#ifdef CONFIG_COMPAT #include "compat_ptrace.h" #endif @@ -59,7 +59,7 @@ FixPerRegisters(struct task_struct *task) if (per_info->single_step) { per_info->control_regs.bits.starting_addr = 0; -#ifdef CONFIG_S390_SUPPORT +#ifdef CONFIG_COMPAT if (test_thread_flag(TIF_31BIT)) per_info->control_regs.bits.ending_addr = 0x7fffffffUL; else @@ -112,7 +112,7 @@ ptrace_disable(struct task_struct *child) clear_single_step(child); } -#ifndef CONFIG_ARCH_S390X +#ifndef CONFIG_64BIT # define __ADDR_MASK 3 #else # define __ADDR_MASK 7 @@ -138,7 +138,7 @@ peek_user(struct task_struct *child, addr_t addr, addr_t data) * an alignment of 4. Programmers from hell... */ mask = __ADDR_MASK; -#ifdef CONFIG_ARCH_S390X +#ifdef CONFIG_64BIT if (addr >= (addr_t) &dummy->regs.acrs && addr < (addr_t) &dummy->regs.orig_gpr2) mask = 3; @@ -160,7 +160,7 @@ peek_user(struct task_struct *child, addr_t addr, addr_t data) * access registers are stored in the thread structure */ offset = addr - (addr_t) &dummy->regs.acrs; -#ifdef CONFIG_ARCH_S390X +#ifdef CONFIG_64BIT /* * Very special case: old & broken 64 bit gdb reading * from acrs[15]. Result is a 64 bit value. Read the @@ -218,7 +218,7 @@ poke_user(struct task_struct *child, addr_t addr, addr_t data) * an alignment of 4. Programmers from hell indeed... */ mask = __ADDR_MASK; -#ifdef CONFIG_ARCH_S390X +#ifdef CONFIG_64BIT if (addr >= (addr_t) &dummy->regs.acrs && addr < (addr_t) &dummy->regs.orig_gpr2) mask = 3; @@ -231,13 +231,13 @@ poke_user(struct task_struct *child, addr_t addr, addr_t data) * psw and gprs are stored on the stack */ if (addr == (addr_t) &dummy->regs.psw.mask && -#ifdef CONFIG_S390_SUPPORT +#ifdef CONFIG_COMPAT data != PSW_MASK_MERGE(PSW_USER32_BITS, data) && #endif data != PSW_MASK_MERGE(PSW_USER_BITS, data)) /* Invalid psw mask. */ return -EINVAL; -#ifndef CONFIG_ARCH_S390X +#ifndef CONFIG_64BIT if (addr == (addr_t) &dummy->regs.psw.addr) /* I'd like to reject addresses without the high order bit but older gdb's rely on it */ @@ -250,7 +250,7 @@ poke_user(struct task_struct *child, addr_t addr, addr_t data) * access registers are stored in the thread structure */ offset = addr - (addr_t) &dummy->regs.acrs; -#ifdef CONFIG_ARCH_S390X +#ifdef CONFIG_64BIT /* * Very special case: old & broken 64 bit gdb writing * to acrs[15] with a 64 bit value. Ignore the lower @@ -357,7 +357,7 @@ do_ptrace_normal(struct task_struct *child, long request, long addr, long data) return ptrace_request(child, request, addr, data); } -#ifdef CONFIG_S390_SUPPORT +#ifdef CONFIG_COMPAT /* * Now the fun part starts... a 31 bit program running in the * 31 bit emulation tracing another program. PTRACE_PEEKTEXT, @@ -629,7 +629,7 @@ do_ptrace(struct task_struct *child, long request, long addr, long data) return peek_user(child, addr, data); if (request == PTRACE_POKEUSR && addr == PT_IEEE_IP) return poke_user(child, addr, data); -#ifdef CONFIG_S390_SUPPORT +#ifdef CONFIG_COMPAT if (request == PTRACE_PEEKUSR && addr == PT32_IEEE_IP && test_thread_flag(TIF_31BIT)) return peek_user_emu31(child, addr, data); @@ -695,7 +695,7 @@ do_ptrace(struct task_struct *child, long request, long addr, long data) /* Do requests that differ for 31/64 bit */ default: -#ifdef CONFIG_S390_SUPPORT +#ifdef CONFIG_COMPAT if (test_thread_flag(TIF_31BIT)) return do_ptrace_emu31(child, request, addr, data); #endif diff --git a/arch/s390/kernel/reipl_diag.c b/arch/s390/kernel/reipl_diag.c index 83cb42b..1f33951 100644 --- a/arch/s390/kernel/reipl_diag.c +++ b/arch/s390/kernel/reipl_diag.c @@ -26,7 +26,7 @@ void reipl_diag(void) " st %%r4,%0\n" " st %%r5,%1\n" ".section __ex_table,\"a\"\n" -#ifdef __s390x__ +#ifdef CONFIG_64BIT " .align 8\n" " .quad 0b, 0b\n" #else diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c index 31e7b19..b03847d 100644 --- a/arch/s390/kernel/setup.c +++ b/arch/s390/kernel/setup.c @@ -427,7 +427,7 @@ setup_lowcore(void) __alloc_bootmem(PAGE_SIZE, PAGE_SIZE, 0) + PAGE_SIZE; lc->current_task = (unsigned long) init_thread_union.thread_info.task; lc->thread_info = (unsigned long) &init_thread_union; -#ifndef CONFIG_ARCH_S390X +#ifndef CONFIG_64BIT if (MACHINE_HAS_IEEE) { lc->extended_save_area_addr = (__u32) __alloc_bootmem(PAGE_SIZE, PAGE_SIZE, 0); @@ -562,21 +562,21 @@ setup_arch(char **cmdline_p) /* * print what head.S has found out about the machine */ -#ifndef CONFIG_ARCH_S390X +#ifndef CONFIG_64BIT printk((MACHINE_IS_VM) ? "We are running under VM (31 bit mode)\n" : "We are running native (31 bit mode)\n"); printk((MACHINE_HAS_IEEE) ? "This machine has an IEEE fpu\n" : "This machine has no IEEE fpu\n"); -#else /* CONFIG_ARCH_S390X */ +#else /* CONFIG_64BIT */ printk((MACHINE_IS_VM) ? "We are running under VM (64 bit mode)\n" : "We are running native (64 bit mode)\n"); -#endif /* CONFIG_ARCH_S390X */ +#endif /* CONFIG_64BIT */ ROOT_DEV = Root_RAM0; -#ifndef CONFIG_ARCH_S390X +#ifndef CONFIG_64BIT memory_end = memory_size & ~0x400000UL; /* align memory end to 4MB */ /* * We need some free virtual space to be able to do vmalloc. @@ -585,9 +585,9 @@ setup_arch(char **cmdline_p) */ if (memory_end > 1920*1024*1024) memory_end = 1920*1024*1024; -#else /* CONFIG_ARCH_S390X */ +#else /* CONFIG_64BIT */ memory_end = memory_size & ~0x200000UL; /* detected in head.s */ -#endif /* CONFIG_ARCH_S390X */ +#endif /* CONFIG_64BIT */ init_mm.start_code = PAGE_OFFSET; init_mm.end_code = (unsigned long) &_etext; diff --git a/arch/s390/kernel/signal.c b/arch/s390/kernel/signal.c index 6e0110d..6ae4a77 100644 --- a/arch/s390/kernel/signal.c +++ b/arch/s390/kernel/signal.c @@ -254,9 +254,9 @@ asmlinkage long sys_rt_sigreturn(struct pt_regs *regs) if (restore_sigregs(regs, &frame->uc.uc_mcontext)) goto badframe; - /* It is more difficult to avoid calling this function than to - call it and ignore errors. */ - do_sigaltstack(&frame->uc.uc_stack, NULL, regs->gprs[15]); + if (do_sigaltstack(&frame->uc.uc_stack, NULL, + regs->gprs[15]) == -EFAULT) + goto badframe; return regs->gprs[2]; badframe: @@ -501,7 +501,7 @@ int do_signal(struct pt_regs *regs, sigset_t *oldset) if (signr > 0) { /* Whee! Actually deliver the signal. */ -#ifdef CONFIG_S390_SUPPORT +#ifdef CONFIG_COMPAT if (test_thread_flag(TIF_31BIT)) { extern void handle_signal32(unsigned long sig, struct k_sigaction *ka, diff --git a/arch/s390/kernel/smp.c b/arch/s390/kernel/smp.c index 5856b3f..e10f4ca 100644 --- a/arch/s390/kernel/smp.c +++ b/arch/s390/kernel/smp.c @@ -263,7 +263,7 @@ static void do_machine_restart(void * __unused) int cpu; static atomic_t cpuid = ATOMIC_INIT(-1); - if (atomic_compare_and_swap(-1, smp_processor_id(), &cpuid)) + if (atomic_cmpxchg(&cpuid, -1, smp_processor_id()) != -1) signal_processor(smp_processor_id(), sigp_stop); /* Wait for all other cpus to enter stopped state */ @@ -313,7 +313,7 @@ static void do_machine_halt(void * __unused) { static atomic_t cpuid = ATOMIC_INIT(-1); - if (atomic_compare_and_swap(-1, smp_processor_id(), &cpuid) == 0) { + if (atomic_cmpxchg(&cpuid, -1, smp_processor_id()) == -1) { smp_send_stop(); if (MACHINE_IS_VM && strlen(vmhalt_cmd) > 0) cpcmd(vmhalt_cmd, NULL, 0, NULL); @@ -332,7 +332,7 @@ static void do_machine_power_off(void * __unused) { static atomic_t cpuid = ATOMIC_INIT(-1); - if (atomic_compare_and_swap(-1, smp_processor_id(), &cpuid) == 0) { + if (atomic_cmpxchg(&cpuid, -1, smp_processor_id()) == -1) { smp_send_stop(); if (MACHINE_IS_VM && strlen(vmpoff_cmd) > 0) cpcmd(vmpoff_cmd, NULL, 0, NULL); @@ -402,7 +402,7 @@ static void smp_ext_bitcall_others(ec_bit_sig sig) } } -#ifndef CONFIG_ARCH_S390X +#ifndef CONFIG_64BIT /* * this function sends a 'purge tlb' signal to another CPU. */ @@ -416,7 +416,7 @@ void smp_ptlb_all(void) on_each_cpu(smp_ptlb_callback, NULL, 0, 1); } EXPORT_SYMBOL(smp_ptlb_all); -#endif /* ! CONFIG_ARCH_S390X */ +#endif /* ! CONFIG_64BIT */ /* * this function sends a 'reschedule' IPI to another CPU. @@ -783,7 +783,7 @@ void __init smp_prepare_cpus(unsigned int max_cpus) if (stack == 0ULL) panic("smp_boot_cpus failed to allocate memory\n"); lowcore_ptr[i]->panic_stack = stack + (PAGE_SIZE); -#ifndef __s390x__ +#ifndef CONFIG_64BIT if (MACHINE_HAS_IEEE) { lowcore_ptr[i]->extended_save_area_addr = (__u32) __get_free_pages(GFP_KERNEL,0); @@ -793,7 +793,7 @@ void __init smp_prepare_cpus(unsigned int max_cpus) } #endif } -#ifndef __s390x__ +#ifndef CONFIG_64BIT if (MACHINE_HAS_IEEE) ctl_set_bit(14, 29); /* enable extended save area */ #endif diff --git a/arch/s390/kernel/sys_s390.c b/arch/s390/kernel/sys_s390.c index efe6b83..6a63553 100644 --- a/arch/s390/kernel/sys_s390.c +++ b/arch/s390/kernel/sys_s390.c @@ -26,9 +26,7 @@ #include <linux/mman.h> #include <linux/file.h> #include <linux/utsname.h> -#ifdef CONFIG_ARCH_S390X #include <linux/personality.h> -#endif /* CONFIG_ARCH_S390X */ #include <asm/uaccess.h> #include <asm/ipc.h> @@ -121,7 +119,7 @@ out: return error; } -#ifndef CONFIG_ARCH_S390X +#ifndef CONFIG_64BIT struct sel_arg_struct { unsigned long n; fd_set *inp, *outp, *exp; @@ -138,7 +136,7 @@ asmlinkage long old_select(struct sel_arg_struct __user *arg) return sys_select(a.n, a.inp, a.outp, a.exp, a.tvp); } -#endif /* CONFIG_ARCH_S390X */ +#endif /* CONFIG_64BIT */ /* * sys_ipc() is the de-multiplexer for the SysV IPC calls.. @@ -211,7 +209,7 @@ asmlinkage long sys_ipc(uint call, int first, unsigned long second, return -EINVAL; } -#ifdef CONFIG_ARCH_S390X +#ifdef CONFIG_64BIT asmlinkage long s390x_newuname(struct new_utsname __user *name) { int ret = sys_newuname(name); @@ -235,12 +233,12 @@ asmlinkage long s390x_personality(unsigned long personality) return ret; } -#endif /* CONFIG_ARCH_S390X */ +#endif /* CONFIG_64BIT */ /* * Wrapper function for sys_fadvise64/fadvise64_64 */ -#ifndef CONFIG_ARCH_S390X +#ifndef CONFIG_64BIT asmlinkage long s390_fadvise64(int fd, u32 offset_high, u32 offset_low, size_t len, int advice) diff --git a/arch/s390/kernel/traps.c b/arch/s390/kernel/traps.c index c5bd36f..95d1099 100644 --- a/arch/s390/kernel/traps.c +++ b/arch/s390/kernel/traps.c @@ -67,13 +67,13 @@ extern pgm_check_handler_t do_monitor_call; #define stack_pointer ({ void **sp; asm("la %0,0(15)" : "=&d" (sp)); sp; }) -#ifndef CONFIG_ARCH_S390X +#ifndef CONFIG_64BIT #define FOURLONG "%08lx %08lx %08lx %08lx\n" static int kstack_depth_to_print = 12; -#else /* CONFIG_ARCH_S390X */ +#else /* CONFIG_64BIT */ #define FOURLONG "%016lx %016lx %016lx %016lx\n" static int kstack_depth_to_print = 20; -#endif /* CONFIG_ARCH_S390X */ +#endif /* CONFIG_64BIT */ /* * For show_trace we have tree different stack to consider: @@ -702,12 +702,12 @@ void __init trap_init(void) pgm_check_table[0x11] = &do_dat_exception; pgm_check_table[0x12] = &translation_exception; pgm_check_table[0x13] = &special_op_exception; -#ifdef CONFIG_ARCH_S390X +#ifdef CONFIG_64BIT pgm_check_table[0x38] = &do_dat_exception; pgm_check_table[0x39] = &do_dat_exception; pgm_check_table[0x3A] = &do_dat_exception; pgm_check_table[0x3B] = &do_dat_exception; -#endif /* CONFIG_ARCH_S390X */ +#endif /* CONFIG_64BIT */ pgm_check_table[0x15] = &operand_exception; pgm_check_table[0x1C] = &space_switch_exception; pgm_check_table[0x1D] = &hfp_sqrt_exception; diff --git a/arch/s390/kernel/vmlinux.lds.S b/arch/s390/kernel/vmlinux.lds.S index 89fdb38..9289face 100644 --- a/arch/s390/kernel/vmlinux.lds.S +++ b/arch/s390/kernel/vmlinux.lds.S @@ -5,7 +5,7 @@ #include <asm-generic/vmlinux.lds.h> #include <linux/config.h> -#ifndef CONFIG_ARCH_S390X +#ifndef CONFIG_64BIT OUTPUT_FORMAT("elf32-s390", "elf32-s390", "elf32-s390") OUTPUT_ARCH(s390) ENTRY(_start) diff --git a/arch/s390/lib/Makefile b/arch/s390/lib/Makefile index b701efa..d9b97b3 100644 --- a/arch/s390/lib/Makefile +++ b/arch/s390/lib/Makefile @@ -4,6 +4,5 @@ EXTRA_AFLAGS := -traditional -lib-y += delay.o string.o -lib-$(CONFIG_ARCH_S390_31) += uaccess.o spinlock.o -lib-$(CONFIG_ARCH_S390X) += uaccess64.o spinlock.o +lib-y += delay.o string.o spinlock.o +lib-y += $(if $(CONFIG_64BIT),uaccess64.o,uaccess.o) diff --git a/arch/s390/lib/spinlock.c b/arch/s390/lib/spinlock.c index 2dc14e9..68d79c5 100644 --- a/arch/s390/lib/spinlock.c +++ b/arch/s390/lib/spinlock.c @@ -29,7 +29,7 @@ __setup("spin_retry=", spin_retry_setup); static inline void _diag44(void) { -#ifdef __s390x__ +#ifdef CONFIG_64BIT if (MACHINE_HAS_DIAG44) #endif asm volatile("diag 0,0,0x44"); diff --git a/arch/s390/mm/extmem.c b/arch/s390/mm/extmem.c index 506a33b..a9566bc 100644 --- a/arch/s390/mm/extmem.c +++ b/arch/s390/mm/extmem.c @@ -143,7 +143,7 @@ dcss_diag (__u8 func, void *parameter, rx = (unsigned long) parameter; ry = (unsigned long) func; __asm__ __volatile__( -#ifdef CONFIG_ARCH_S390X +#ifdef CONFIG_64BIT " sam31\n" // switch to 31 bit " diag %0,%1,0x64\n" " sam64\n" // switch back to 64 bit diff --git a/arch/s390/mm/fault.c b/arch/s390/mm/fault.c index fb2607c..81ade40 100644 --- a/arch/s390/mm/fault.c +++ b/arch/s390/mm/fault.c @@ -31,17 +31,17 @@ #include <asm/uaccess.h> #include <asm/pgtable.h> -#ifndef CONFIG_ARCH_S390X +#ifndef CONFIG_64BIT #define __FAIL_ADDR_MASK 0x7ffff000 #define __FIXUP_MASK 0x7fffffff #define __SUBCODE_MASK 0x0200 #define __PF_RES_FIELD 0ULL -#else /* CONFIG_ARCH_S390X */ +#else /* CONFIG_64BIT */ #define __FAIL_ADDR_MASK -4096L #define __FIXUP_MASK ~0L #define __SUBCODE_MASK 0x0600 #define __PF_RES_FIELD 0x8000000000000000ULL -#endif /* CONFIG_ARCH_S390X */ +#endif /* CONFIG_64BIT */ #ifdef CONFIG_SYSCTL extern int sysctl_userprocess_debug; @@ -393,11 +393,11 @@ int pfault_init(void) "2:\n" ".section __ex_table,\"a\"\n" " .align 4\n" -#ifndef CONFIG_ARCH_S390X +#ifndef CONFIG_64BIT " .long 0b,1b\n" -#else /* CONFIG_ARCH_S390X */ +#else /* CONFIG_64BIT */ " .quad 0b,1b\n" -#endif /* CONFIG_ARCH_S390X */ +#endif /* CONFIG_64BIT */ ".previous" : "=d" (rc) : "a" (&refbk), "m" (refbk) : "cc" ); __ctl_set_bit(0, 9); @@ -417,11 +417,11 @@ void pfault_fini(void) "0:\n" ".section __ex_table,\"a\"\n" " .align 4\n" -#ifndef CONFIG_ARCH_S390X +#ifndef CONFIG_64BIT " .long 0b,0b\n" -#else /* CONFIG_ARCH_S390X */ +#else /* CONFIG_64BIT */ " .quad 0b,0b\n" -#endif /* CONFIG_ARCH_S390X */ +#endif /* CONFIG_64BIT */ ".previous" : : "a" (&refbk), "m" (refbk) : "cc" ); } diff --git a/arch/s390/mm/init.c b/arch/s390/mm/init.c index 6ec5cd9..df95338 100644 --- a/arch/s390/mm/init.c +++ b/arch/s390/mm/init.c @@ -44,7 +44,7 @@ void diag10(unsigned long addr) { if (addr >= 0x7ff00000) return; -#ifdef __s390x__ +#ifdef CONFIG_64BIT asm volatile ( " sam31\n" " diag %0,%0,0x10\n" @@ -106,7 +106,7 @@ extern unsigned long __initdata zholes_size[]; * paging_init() sets up the page tables */ -#ifndef CONFIG_ARCH_S390X +#ifndef CONFIG_64BIT void __init paging_init(void) { pgd_t * pg_dir; @@ -175,7 +175,7 @@ void __init paging_init(void) return; } -#else /* CONFIG_ARCH_S390X */ +#else /* CONFIG_64BIT */ void __init paging_init(void) { pgd_t * pg_dir; @@ -256,7 +256,7 @@ void __init paging_init(void) return; } -#endif /* CONFIG_ARCH_S390X */ +#endif /* CONFIG_64BIT */ void __init mem_init(void) { diff --git a/arch/s390/mm/mmap.c b/arch/s390/mm/mmap.c index fb187e5..356257c 100644 --- a/arch/s390/mm/mmap.c +++ b/arch/s390/mm/mmap.c @@ -50,7 +50,7 @@ static inline unsigned long mmap_base(void) static inline int mmap_is_legacy(void) { -#ifdef CONFIG_ARCH_S390X +#ifdef CONFIG_64BIT /* * Force standard allocation for 64 bit programs. */ diff --git a/arch/s390/oprofile/Makefile b/arch/s390/oprofile/Makefile index ec34927..537b2d8 100644 --- a/arch/s390/oprofile/Makefile +++ b/arch/s390/oprofile/Makefile @@ -6,4 +6,4 @@ DRIVER_OBJS = $(addprefix ../../../drivers/oprofile/, \ oprofilefs.o oprofile_stats.o \ timer_int.o ) -oprofile-y := $(DRIVER_OBJS) init.o +oprofile-y := $(DRIVER_OBJS) init.o backtrace.o diff --git a/arch/s390/oprofile/backtrace.c b/arch/s390/oprofile/backtrace.c new file mode 100644 index 0000000..bc4b84a --- /dev/null +++ b/arch/s390/oprofile/backtrace.c @@ -0,0 +1,79 @@ +/** + * arch/s390/oprofile/backtrace.c + * + * S390 Version + * Copyright (C) 2005 IBM Corporation, IBM Deutschland Entwicklung GmbH. + * Author(s): Andreas Krebbel <Andreas.Krebbel@de.ibm.com> + */ + +#include <linux/oprofile.h> + +#include <asm/processor.h> /* for struct stack_frame */ + +static unsigned long +__show_trace(unsigned int *depth, unsigned long sp, + unsigned long low, unsigned long high) +{ + struct stack_frame *sf; + struct pt_regs *regs; + + while (*depth) { + sp = sp & PSW_ADDR_INSN; + if (sp < low || sp > high - sizeof(*sf)) + return sp; + sf = (struct stack_frame *) sp; + (*depth)--; + oprofile_add_trace(sf->gprs[8] & PSW_ADDR_INSN); + + /* Follow the backchain. */ + while (*depth) { + low = sp; + sp = sf->back_chain & PSW_ADDR_INSN; + if (!sp) + break; + if (sp <= low || sp > high - sizeof(*sf)) + return sp; + sf = (struct stack_frame *) sp; + (*depth)--; + oprofile_add_trace(sf->gprs[8] & PSW_ADDR_INSN); + + } + + if (*depth == 0) + break; + + /* Zero backchain detected, check for interrupt frame. */ + sp = (unsigned long) (sf + 1); + if (sp <= low || sp > high - sizeof(*regs)) + return sp; + regs = (struct pt_regs *) sp; + (*depth)--; + oprofile_add_trace(sf->gprs[8] & PSW_ADDR_INSN); + low = sp; + sp = regs->gprs[15]; + } + return sp; +} + +void s390_backtrace(struct pt_regs * const regs, unsigned int depth) +{ + unsigned long head; + struct stack_frame* head_sf; + + if (user_mode (regs)) + return; + + head = regs->gprs[15]; + head_sf = (struct stack_frame*)head; + + if (!head_sf->back_chain) + return; + + head = head_sf->back_chain; + + head = __show_trace(&depth, head, S390_lowcore.async_stack - ASYNC_SIZE, + S390_lowcore.async_stack); + + __show_trace(&depth, head, S390_lowcore.thread_info, + S390_lowcore.thread_info + THREAD_SIZE); +} diff --git a/arch/s390/oprofile/init.c b/arch/s390/oprofile/init.c index a65ead0..7a99511 100644 --- a/arch/s390/oprofile/init.c +++ b/arch/s390/oprofile/init.c @@ -12,8 +12,12 @@ #include <linux/init.h> #include <linux/errno.h> + +extern void s390_backtrace(struct pt_regs * const regs, unsigned int depth); + int __init oprofile_arch_init(struct oprofile_operations* ops) { + ops->backtrace = s390_backtrace; return -ENODEV; } diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig index 3cfb8be..56c34e7 100644 --- a/arch/sparc/Kconfig +++ b/arch/sparc/Kconfig @@ -55,6 +55,10 @@ config NR_CPUS depends on SMP default "32" +config SPARC + bool + default y + # Identify this as a Sparc32 build config SPARC32 bool diff --git a/arch/sparc/Makefile b/arch/sparc/Makefile index dea48f6..4cdbb2d 100644 --- a/arch/sparc/Makefile +++ b/arch/sparc/Makefile @@ -34,7 +34,7 @@ libs-y += arch/sparc/prom/ arch/sparc/lib/ # Renaming is done to avoid confusing pattern matching rules in 2.5.45 (multy-) INIT_Y := $(patsubst %/, %/built-in.o, $(init-y)) CORE_Y := $(core-y) -CORE_Y += kernel/ mm/ fs/ ipc/ security/ crypto/ +CORE_Y += kernel/ mm/ fs/ ipc/ security/ crypto/ block/ CORE_Y := $(patsubst %/, %/built-in.o, $(CORE_Y)) DRIVERS_Y := $(patsubst %/, %/built-in.o, $(drivers-y)) NET_Y := $(patsubst %/, %/built-in.o, $(net-y)) diff --git a/arch/sparc/kernel/ebus.c b/arch/sparc/kernel/ebus.c index 1754192..5c3529c 100644 --- a/arch/sparc/kernel/ebus.c +++ b/arch/sparc/kernel/ebus.c @@ -22,7 +22,7 @@ #include <asm/oplib.h> #include <asm/bpp.h> -struct linux_ebus *ebus_chain = 0; +struct linux_ebus *ebus_chain = NULL; /* We are together with pcic.c under CONFIG_PCI. */ extern unsigned int pcic_pin_to_irq(unsigned int, char *name); @@ -46,7 +46,7 @@ static struct ebus_device_irq je1_1[] = { { "SUNW,CS4231", 0 }, { "parallel", 0 }, { "se", 2 }, - { 0, 0 } + { NULL, 0 } }; /* @@ -55,7 +55,7 @@ static struct ebus_device_irq je1_1[] = { */ static struct ebus_system_entry ebus_blacklist[] = { { "SUNW,JavaEngine1", je1_1 }, - { 0, 0 } + { NULL, NULL } }; static struct ebus_device_irq *ebus_blackp = NULL; @@ -233,7 +233,7 @@ void __init fill_ebus_device(int node, struct linux_ebus_device *dev) ebus_alloc(sizeof(struct linux_ebus_child)); child = dev->children; - child->next = 0; + child->next = NULL; child->parent = dev; child->bus = dev->bus; fill_ebus_child(node, ®s[0], child); @@ -243,7 +243,7 @@ void __init fill_ebus_device(int node, struct linux_ebus_device *dev) ebus_alloc(sizeof(struct linux_ebus_child)); child = child->next; - child->next = 0; + child->next = NULL; child->parent = dev; child->bus = dev->bus; fill_ebus_child(node, ®s[0], child); @@ -275,7 +275,7 @@ void __init ebus_init(void) } } - pdev = pci_get_device(PCI_VENDOR_ID_SUN, PCI_DEVICE_ID_SUN_EBUS, 0); + pdev = pci_get_device(PCI_VENDOR_ID_SUN, PCI_DEVICE_ID_SUN_EBUS, NULL); if (!pdev) { return; } @@ -284,7 +284,7 @@ void __init ebus_init(void) ebus_chain = ebus = (struct linux_ebus *) ebus_alloc(sizeof(struct linux_ebus)); - ebus->next = 0; + ebus->next = NULL; while (ebusnd) { @@ -325,8 +325,8 @@ void __init ebus_init(void) ebus_alloc(sizeof(struct linux_ebus_device)); dev = ebus->devices; - dev->next = 0; - dev->children = 0; + dev->next = NULL; + dev->children = NULL; dev->bus = ebus; fill_ebus_device(nd, dev); @@ -335,8 +335,8 @@ void __init ebus_init(void) ebus_alloc(sizeof(struct linux_ebus_device)); dev = dev->next; - dev->next = 0; - dev->children = 0; + dev->next = NULL; + dev->children = NULL; dev->bus = ebus; fill_ebus_device(nd, dev); } @@ -353,7 +353,7 @@ void __init ebus_init(void) ebus->next = (struct linux_ebus *) ebus_alloc(sizeof(struct linux_ebus)); ebus = ebus->next; - ebus->next = 0; + ebus->next = NULL; ++num_ebus; } if (pdev) diff --git a/arch/sparc/kernel/led.c b/arch/sparc/kernel/led.c index 2a3afca..313d162 100644 --- a/arch/sparc/kernel/led.c +++ b/arch/sparc/kernel/led.c @@ -55,7 +55,7 @@ static int led_read_proc(char *buf, char **start, off_t offset, int count, return len; } -static int led_write_proc(struct file *file, const char *buffer, +static int led_write_proc(struct file *file, const char __user *buffer, unsigned long count, void *data) { char *buf = NULL; diff --git a/arch/sparc/kernel/pcic.c b/arch/sparc/kernel/pcic.c index cccfc12..42002b7 100644 --- a/arch/sparc/kernel/pcic.c +++ b/arch/sparc/kernel/pcic.c @@ -161,7 +161,7 @@ static struct pcic_sn2list pcic_known_sysnames[] = { static int pcic0_up; static struct linux_pcic pcic0; -void * __iomem pcic_regs; +void __iomem *pcic_regs; volatile int pcic_speculative; volatile int pcic_trapped; diff --git a/arch/sparc/kernel/sys_sunos.c b/arch/sparc/kernel/sys_sunos.c index 81c894a..d07ae02 100644 --- a/arch/sparc/kernel/sys_sunos.c +++ b/arch/sparc/kernel/sys_sunos.c @@ -894,7 +894,7 @@ asmlinkage long sunos_sysconf (int name) ret = ARG_MAX; break; case _SC_CHILD_MAX: - ret = CHILD_MAX; + ret = -1; /* no limit */ break; case _SC_CLK_TCK: ret = HZ; diff --git a/arch/sparc/kernel/time.c b/arch/sparc/kernel/time.c index 24814d5..7dadcdb 100644 --- a/arch/sparc/kernel/time.c +++ b/arch/sparc/kernel/time.c @@ -49,7 +49,7 @@ DEFINE_SPINLOCK(rtc_lock); enum sparc_clock_type sp_clock_typ; DEFINE_SPINLOCK(mostek_lock); void __iomem *mstk48t02_regs = NULL; -static struct mostek48t08 *mstk48t08_regs = NULL; +static struct mostek48t08 __iomem *mstk48t08_regs = NULL; static int set_rtc_mmss(unsigned long); static int sbus_do_settimeofday(struct timespec *tv); @@ -342,7 +342,7 @@ static __inline__ void clock_probe(void) /* XXX r/o attribute is somewhere in r.flags */ r.flags = clk_reg[0].which_io; r.start = clk_reg[0].phys_addr; - mstk48t08_regs = (struct mostek48t08 *) sbus_ioremap(&r, 0, + mstk48t08_regs = sbus_ioremap(&r, 0, sizeof(struct mostek48t08), "mk48t08"); mstk48t02_regs = &mstk48t08_regs->regs; diff --git a/arch/sparc/kernel/vmlinux.lds.S b/arch/sparc/kernel/vmlinux.lds.S index 38938d2..346c19a 100644 --- a/arch/sparc/kernel/vmlinux.lds.S +++ b/arch/sparc/kernel/vmlinux.lds.S @@ -85,19 +85,9 @@ SECTIONS } _end = . ; PROVIDE (end = .); - /* Stabs debugging sections. */ - .stab 0 : { *(.stab) } - .stabstr 0 : { *(.stabstr) } - .stab.excl 0 : { *(.stab.excl) } - .stab.exclstr 0 : { *(.stab.exclstr) } - .stab.index 0 : { *(.stab.index) } - .stab.indexstr 0 : { *(.stab.indexstr) } - .comment 0 : { *(.comment) } - .debug 0 : { *(.debug) } - .debug_srcinfo 0 : { *(.debug_srcinfo) } - .debug_aranges 0 : { *(.debug_aranges) } - .debug_pubnames 0 : { *(.debug_pubnames) } - .debug_sfnames 0 : { *(.debug_sfnames) } - .line 0 : { *(.line) } /DISCARD/ : { *(.exit.text) *(.exit.data) *(.exitcall.exit) } + + STABS_DEBUG + + DWARF_DEBUG } diff --git a/arch/sparc/lib/atomic32.c b/arch/sparc/lib/atomic32.c index cb3cf0f..de84f85 100644 --- a/arch/sparc/lib/atomic32.c +++ b/arch/sparc/lib/atomic32.c @@ -66,7 +66,6 @@ int atomic_add_unless(atomic_t *v, int a, int u) return ret != u; } -static inline void atomic_clear_mask(unsigned long mask, unsigned long *addr) /* Atomic operations are already serializing */ void atomic_set(atomic_t *v, int i) { diff --git a/arch/sparc/mm/sun4c.c b/arch/sparc/mm/sun4c.c index 1d56039..731f196 100644 --- a/arch/sparc/mm/sun4c.c +++ b/arch/sparc/mm/sun4c.c @@ -497,7 +497,7 @@ static void __init sun4c_probe_mmu(void) patch_kernel_fault_handler(); } -volatile unsigned long *sun4c_memerr_reg = NULL; +volatile unsigned long __iomem *sun4c_memerr_reg = NULL; void __init sun4c_probe_memerr_reg(void) { diff --git a/arch/sparc64/Kconfig b/arch/sparc64/Kconfig index 3fded69..c4b7ad7 100644 --- a/arch/sparc64/Kconfig +++ b/arch/sparc64/Kconfig @@ -5,6 +5,10 @@ mainmenu "Linux/UltraSPARC Kernel Configuration" +config SPARC + bool + default y + config SPARC64 bool default y diff --git a/arch/sparc64/Makefile b/arch/sparc64/Makefile index 43fe382..cad10c5 100644 --- a/arch/sparc64/Makefile +++ b/arch/sparc64/Makefile @@ -17,7 +17,6 @@ CC := $(shell if $(CC) -m64 -S -o /dev/null -xc /dev/null >/dev/null 2>&1; then NEW_GCC := $(call cc-option-yn, -m64 -mcmodel=medlow) NEW_GAS := $(shell if $(LD) -V 2>&1 | grep 'elf64_sparc' > /dev/null; then echo y; else echo n; fi) UNDECLARED_REGS := $(shell if $(CC) -c -x assembler /dev/null -Wa,--help | grep undeclared-regs > /dev/null; then echo y; else echo n; fi; ) -INLINE_LIMIT := $(call cc-option-yn, -m64 -finline-limit=100000) export NEW_GCC @@ -49,10 +48,6 @@ else AFLAGS += -m64 -mcpu=ultrasparc $(CC_UNDECL) endif -ifeq ($(INLINE_LIMIT),y) - CFLAGS := $(CFLAGS) -finline-limit=100000 -endif - ifeq ($(CONFIG_MCOUNT),y) CFLAGS := $(CFLAGS) -pg endif diff --git a/arch/sparc64/kernel/kprobes.c b/arch/sparc64/kernel/kprobes.c index 96bd09b..a97b0f0 100644 --- a/arch/sparc64/kernel/kprobes.c +++ b/arch/sparc64/kernel/kprobes.c @@ -138,7 +138,7 @@ static int __kprobes kprobe_handler(struct pt_regs *regs) */ save_previous_kprobe(kcb); set_current_kprobe(p, regs, kcb); - p->nmissed++; + kprobes_inc_nmissed_count(p); kcb->kprobe_status = KPROBE_REENTER; prepare_singlestep(p, regs, kcb); return 1; diff --git a/arch/sparc64/kernel/sys_sunos32.c b/arch/sparc64/kernel/sys_sunos32.c index d0592ed..bfa4aa6 100644 --- a/arch/sparc64/kernel/sys_sunos32.c +++ b/arch/sparc64/kernel/sys_sunos32.c @@ -854,7 +854,7 @@ asmlinkage s32 sunos_sysconf (int name) ret = ARG_MAX; break; case _SC_CHILD_MAX: - ret = CHILD_MAX; + ret = -1; /* no limit */ break; case _SC_CLK_TCK: ret = HZ; diff --git a/arch/sparc64/kernel/vmlinux.lds.S b/arch/sparc64/kernel/vmlinux.lds.S index 2af0cf0..467d13a 100644 --- a/arch/sparc64/kernel/vmlinux.lds.S +++ b/arch/sparc64/kernel/vmlinux.lds.S @@ -90,19 +90,9 @@ SECTIONS } _end = . ; PROVIDE (end = .); - /* Stabs debugging sections. */ - .stab 0 : { *(.stab) } - .stabstr 0 : { *(.stabstr) } - .stab.excl 0 : { *(.stab.excl) } - .stab.exclstr 0 : { *(.stab.exclstr) } - .stab.index 0 : { *(.stab.index) } - .stab.indexstr 0 : { *(.stab.indexstr) } - .comment 0 : { *(.comment) } - .debug 0 : { *(.debug) } - .debug_srcinfo 0 : { *(.debug_srcinfo) } - .debug_aranges 0 : { *(.debug_aranges) } - .debug_pubnames 0 : { *(.debug_pubnames) } - .debug_sfnames 0 : { *(.debug_sfnames) } - .line 0 : { *(.line) } /DISCARD/ : { *(.exit.text) *(.exit.data) *(.exitcall.exit) } + + STABS_DEBUG + + DWARF_DEBUG } diff --git a/arch/sparc64/solaris/misc.c b/arch/sparc64/solaris/misc.c index 302efbc..3ab4677 100644 --- a/arch/sparc64/solaris/misc.c +++ b/arch/sparc64/solaris/misc.c @@ -353,7 +353,7 @@ asmlinkage int solaris_sysconf(int id) { switch (id) { case SOLARIS_CONFIG_NGROUPS: return NGROUPS_MAX; - case SOLARIS_CONFIG_CHILD_MAX: return CHILD_MAX; + case SOLARIS_CONFIG_CHILD_MAX: return -1; /* no limit */ case SOLARIS_CONFIG_OPEN_FILES: return OPEN_MAX; case SOLARIS_CONFIG_POSIX_VER: return 199309; case SOLARIS_CONFIG_PAGESIZE: return PAGE_SIZE; diff --git a/arch/um/Kconfig b/arch/um/Kconfig index 563301f..1eb21de 100644 --- a/arch/um/Kconfig +++ b/arch/um/Kconfig @@ -289,6 +289,8 @@ source "arch/um/Kconfig.net" source "drivers/net/Kconfig" +source "drivers/connector/Kconfig" + source "fs/Kconfig" source "security/Kconfig" diff --git a/arch/um/Makefile-x86_64 b/arch/um/Makefile-x86_64 index 4f118d5..38df311 100644 --- a/arch/um/Makefile-x86_64 +++ b/arch/um/Makefile-x86_64 @@ -12,3 +12,7 @@ CHECKFLAGS += -m64 ELF_ARCH := i386:x86-64 ELF_FORMAT := elf64-x86-64 + +# Not on all 64-bit distros /lib is a symlink to /lib64. PLD is an example. + +LINK-$(CONFIG_LD_SCRIPT_DYN) += -Wl,-rpath,/lib64 diff --git a/arch/um/drivers/chan_kern.c b/arch/um/drivers/chan_kern.c index 5b58fad..cd13b91 100644 --- a/arch/um/drivers/chan_kern.c +++ b/arch/um/drivers/chan_kern.c @@ -1,4 +1,4 @@ -/* +/* * Copyright (C) 2000, 2001, 2002 Jeff Dike (jdike@karaya.com) * Licensed under the GPL */ @@ -58,7 +58,7 @@ static void *not_configged_init(char *str, int device, struct chan_opts *opts) { my_puts("Using a channel type which is configured out of " "UML\n"); - return(NULL); + return NULL; } static int not_configged_open(int input, int output, int primary, void *data, @@ -66,7 +66,7 @@ static int not_configged_open(int input, int output, int primary, void *data, { my_puts("Using a channel type which is configured out of " "UML\n"); - return(-ENODEV); + return -ENODEV; } static void not_configged_close(int fd, void *data) @@ -79,21 +79,21 @@ static int not_configged_read(int fd, char *c_out, void *data) { my_puts("Using a channel type which is configured out of " "UML\n"); - return(-EIO); + return -EIO; } static int not_configged_write(int fd, const char *buf, int len, void *data) { my_puts("Using a channel type which is configured out of " "UML\n"); - return(-EIO); + return -EIO; } static int not_configged_console_write(int fd, const char *buf, int len) { my_puts("Using a channel type which is configured out of " "UML\n"); - return(-EIO); + return -EIO; } static int not_configged_window_size(int fd, void *data, unsigned short *rows, @@ -101,7 +101,7 @@ static int not_configged_window_size(int fd, void *data, unsigned short *rows, { my_puts("Using a channel type which is configured out of " "UML\n"); - return(-ENODEV); + return -ENODEV; } static void not_configged_free(void *data) @@ -135,17 +135,17 @@ int generic_read(int fd, char *c_out, void *unused) n = os_read_file(fd, c_out, sizeof(*c_out)); if(n == -EAGAIN) - return(0); + return 0; else if(n == 0) - return(-EIO); - return(n); + return -EIO; + return n; } /* XXX Trivial wrapper around os_write_file */ int generic_write(int fd, const char *buf, int n, void *unused) { - return(os_write_file(fd, buf, n)); + return os_write_file(fd, buf, n); } int generic_window_size(int fd, void *unused, unsigned short *rows_out, @@ -156,14 +156,14 @@ int generic_window_size(int fd, void *unused, unsigned short *rows_out, ret = os_window_size(fd, &rows, &cols); if(ret < 0) - return(ret); + return ret; ret = ((*rows_out != rows) || (*cols_out != cols)); *rows_out = rows; *cols_out = cols; - return(ret); + return ret; } void generic_free(void *data) @@ -186,25 +186,29 @@ static void tty_receive_char(struct tty_struct *tty, char ch) } } - if((tty->flip.flag_buf_ptr == NULL) || + if((tty->flip.flag_buf_ptr == NULL) || (tty->flip.char_buf_ptr == NULL)) return; tty_insert_flip_char(tty, ch, TTY_NORMAL); } -static int open_one_chan(struct chan *chan, int input, int output, int primary) +static int open_one_chan(struct chan *chan) { int fd; - if(chan->opened) return(0); - if(chan->ops->open == NULL) fd = 0; - else fd = (*chan->ops->open)(input, output, primary, chan->data, - &chan->dev); - if(fd < 0) return(fd); + if(chan->opened) + return 0; + + if(chan->ops->open == NULL) + fd = 0; + else fd = (*chan->ops->open)(chan->input, chan->output, chan->primary, + chan->data, &chan->dev); + if(fd < 0) + return fd; chan->fd = fd; chan->opened = 1; - return(0); + return 0; } int open_chan(struct list_head *chans) @@ -215,11 +219,11 @@ int open_chan(struct list_head *chans) list_for_each(ele, chans){ chan = list_entry(ele, struct chan, list); - ret = open_one_chan(chan, chan->input, chan->output, - chan->primary); - if(chan->primary) err = ret; + ret = open_one_chan(chan); + if(chan->primary) + err = ret; } - return(err); + return err; } void chan_enable_winch(struct list_head *chans, struct tty_struct *tty) @@ -236,20 +240,65 @@ void chan_enable_winch(struct list_head *chans, struct tty_struct *tty) } } -void enable_chan(struct list_head *chans, struct tty_struct *tty) +void enable_chan(struct line *line) { struct list_head *ele; struct chan *chan; - list_for_each(ele, chans){ + list_for_each(ele, &line->chan_list){ chan = list_entry(ele, struct chan, list); - if(!chan->opened) continue; + if(open_one_chan(chan)) + continue; + + if(chan->enabled) + continue; + line_setup_irq(chan->fd, chan->input, chan->output, line, + chan); + chan->enabled = 1; + } +} + +static LIST_HEAD(irqs_to_free); + +void free_irqs(void) +{ + struct chan *chan; + + while(!list_empty(&irqs_to_free)){ + chan = list_entry(irqs_to_free.next, struct chan, free_list); + list_del(&chan->free_list); - line_setup_irq(chan->fd, chan->input, chan->output, tty); + if(chan->input) + free_irq(chan->line->driver->read_irq, chan); + if(chan->output) + free_irq(chan->line->driver->write_irq, chan); + chan->enabled = 0; + } +} + +static void close_one_chan(struct chan *chan, int delay_free_irq) +{ + if(!chan->opened) + return; + + if(delay_free_irq){ + list_add(&chan->free_list, &irqs_to_free); } + else { + if(chan->input) + free_irq(chan->line->driver->read_irq, chan); + if(chan->output) + free_irq(chan->line->driver->write_irq, chan); + chan->enabled = 0; + } + if(chan->ops->close != NULL) + (*chan->ops->close)(chan->fd, chan->data); + + chan->opened = 0; + chan->fd = -1; } -void close_chan(struct list_head *chans) +void close_chan(struct list_head *chans, int delay_free_irq) { struct chan *chan; @@ -259,15 +308,37 @@ void close_chan(struct list_head *chans) * so it must be the last closed. */ list_for_each_entry_reverse(chan, chans, list) { - if(!chan->opened) continue; - if(chan->ops->close != NULL) - (*chan->ops->close)(chan->fd, chan->data); - chan->opened = 0; - chan->fd = -1; + close_one_chan(chan, delay_free_irq); + } +} + +void deactivate_chan(struct list_head *chans, int irq) +{ + struct list_head *ele; + + struct chan *chan; + list_for_each(ele, chans) { + chan = list_entry(ele, struct chan, list); + + if(chan->enabled && chan->input) + deactivate_fd(chan->fd, irq); + } +} + +void reactivate_chan(struct list_head *chans, int irq) +{ + struct list_head *ele; + struct chan *chan; + + list_for_each(ele, chans) { + chan = list_entry(ele, struct chan, list); + + if(chan->enabled && chan->input) + reactivate_fd(chan->fd, irq); } } -int write_chan(struct list_head *chans, const char *buf, int len, +int write_chan(struct list_head *chans, const char *buf, int len, int write_irq) { struct list_head *ele; @@ -285,7 +356,7 @@ int write_chan(struct list_head *chans, const char *buf, int len, reactivate_fd(chan->fd, write_irq); } } - return(ret); + return ret; } int console_write_chan(struct list_head *chans, const char *buf, int len) @@ -301,19 +372,18 @@ int console_write_chan(struct list_head *chans, const char *buf, int len) n = chan->ops->console_write(chan->fd, buf, len); if(chan->primary) ret = n; } - return(ret); + return ret; } -int console_open_chan(struct line *line, struct console *co, struct chan_opts *opts) +int console_open_chan(struct line *line, struct console *co, + struct chan_opts *opts) { - if (!list_empty(&line->chan_list)) - return 0; + int err; + + err = open_chan(&line->chan_list); + if(err) + return err; - if (0 != parse_chan_pair(line->init_str, &line->chan_list, - line->init_pri, co->index, opts)) - return -1; - if (0 != open_chan(&line->chan_list)) - return -1; printk("Console initialized on /dev/%s%d\n",co->name,co->index); return 0; } @@ -327,32 +397,36 @@ int chan_window_size(struct list_head *chans, unsigned short *rows_out, list_for_each(ele, chans){ chan = list_entry(ele, struct chan, list); if(chan->primary){ - if(chan->ops->window_size == NULL) return(0); - return(chan->ops->window_size(chan->fd, chan->data, - rows_out, cols_out)); + if(chan->ops->window_size == NULL) + return 0; + return chan->ops->window_size(chan->fd, chan->data, + rows_out, cols_out); } } - return(0); + return 0; } -void free_one_chan(struct chan *chan) +void free_one_chan(struct chan *chan, int delay_free_irq) { list_del(&chan->list); + + close_one_chan(chan, delay_free_irq); + if(chan->ops->free != NULL) (*chan->ops->free)(chan->data); - free_irq_by_fd(chan->fd); + if(chan->primary && chan->output) ignore_sigio_fd(chan->fd); kfree(chan); } -void free_chan(struct list_head *chans) +void free_chan(struct list_head *chans, int delay_free_irq) { struct list_head *ele, *next; struct chan *chan; list_for_each_safe(ele, next, chans){ chan = list_entry(ele, struct chan, list); - free_one_chan(chan); + free_one_chan(chan, delay_free_irq); } } @@ -363,23 +437,23 @@ static int one_chan_config_string(struct chan *chan, char *str, int size, if(chan == NULL){ CONFIG_CHUNK(str, size, n, "none", 1); - return(n); + return n; } CONFIG_CHUNK(str, size, n, chan->ops->type, 0); if(chan->dev == NULL){ CONFIG_CHUNK(str, size, n, "", 1); - return(n); + return n; } CONFIG_CHUNK(str, size, n, ":", 0); CONFIG_CHUNK(str, size, n, chan->dev, 0); - return(n); + return n; } -static int chan_pair_config_string(struct chan *in, struct chan *out, +static int chan_pair_config_string(struct chan *in, struct chan *out, char *str, int size, char **error_out) { int n; @@ -390,7 +464,7 @@ static int chan_pair_config_string(struct chan *in, struct chan *out, if(in == out){ CONFIG_CHUNK(str, size, n, "", 1); - return(n); + return n; } CONFIG_CHUNK(str, size, n, ",", 1); @@ -399,10 +473,10 @@ static int chan_pair_config_string(struct chan *in, struct chan *out, size -= n; CONFIG_CHUNK(str, size, n, "", 1); - return(n); + return n; } -int chan_config_string(struct list_head *chans, char *str, int size, +int chan_config_string(struct list_head *chans, char *str, int size, char **error_out) { struct list_head *ele; @@ -418,7 +492,7 @@ int chan_config_string(struct list_head *chans, char *str, int size, out = chan; } - return(chan_pair_config_string(in, out, str, size, error_out)); + return chan_pair_config_string(in, out, str, size, error_out); } struct chan_type { @@ -462,7 +536,7 @@ struct chan_type chan_table[] = { #endif }; -static struct chan *parse_chan(char *str, int pri, int device, +static struct chan *parse_chan(struct line *line, char *str, int device, struct chan_opts *opts) { struct chan_type *entry; @@ -484,36 +558,42 @@ static struct chan *parse_chan(char *str, int pri, int device, if(ops == NULL){ my_printf("parse_chan couldn't parse \"%s\"\n", str); - return(NULL); + return NULL; } - if(ops->init == NULL) return(NULL); + if(ops->init == NULL) + return NULL; data = (*ops->init)(str, device, opts); - if(data == NULL) return(NULL); + if(data == NULL) + return NULL; chan = kmalloc(sizeof(*chan), GFP_ATOMIC); - if(chan == NULL) return(NULL); + if(chan == NULL) + return NULL; *chan = ((struct chan) { .list = LIST_HEAD_INIT(chan->list), + .free_list = + LIST_HEAD_INIT(chan->free_list), + .line = line, .primary = 1, .input = 0, .output = 0, .opened = 0, + .enabled = 0, .fd = -1, - .pri = pri, .ops = ops, .data = data }); - return(chan); + return chan; } -int parse_chan_pair(char *str, struct list_head *chans, int pri, int device, +int parse_chan_pair(char *str, struct line *line, int device, struct chan_opts *opts) { + struct list_head *chans = &line->chan_list; struct chan *new, *chan; char *in, *out; if(!list_empty(chans)){ chan = list_entry(chans->next, struct chan, list); - if(chan->pri >= pri) return(0); - free_chan(chans); + free_chan(chans, 0); INIT_LIST_HEAD(chans); } @@ -522,24 +602,30 @@ int parse_chan_pair(char *str, struct list_head *chans, int pri, int device, in = str; *out = '\0'; out++; - new = parse_chan(in, pri, device, opts); - if(new == NULL) return(-1); + new = parse_chan(line, in, device, opts); + if(new == NULL) + return -1; + new->input = 1; list_add(&new->list, chans); - new = parse_chan(out, pri, device, opts); - if(new == NULL) return(-1); + new = parse_chan(line, out, device, opts); + if(new == NULL) + return -1; + list_add(&new->list, chans); new->output = 1; } else { - new = parse_chan(str, pri, device, opts); - if(new == NULL) return(-1); + new = parse_chan(line, str, device, opts); + if(new == NULL) + return -1; + list_add(&new->list, chans); new->input = 1; new->output = 1; } - return(0); + return 0; } int chan_out_fd(struct list_head *chans) @@ -550,9 +636,9 @@ int chan_out_fd(struct list_head *chans) list_for_each(ele, chans){ chan = list_entry(ele, struct chan, list); if(chan->primary && chan->output) - return(chan->fd); + return chan->fd; } - return(-1); + return -1; } void chan_interrupt(struct list_head *chans, struct work_struct *task, @@ -567,9 +653,9 @@ void chan_interrupt(struct list_head *chans, struct work_struct *task, chan = list_entry(ele, struct chan, list); if(!chan->input || (chan->ops->read == NULL)) continue; do { - if((tty != NULL) && + if((tty != NULL) && (tty->flip.count >= TTY_FLIPBUF_SIZE)){ - schedule_work(task); + schedule_delayed_work(task, 1); goto out; } err = chan->ops->read(chan->fd, &c, chan->data); @@ -582,29 +668,12 @@ void chan_interrupt(struct list_head *chans, struct work_struct *task, if(chan->primary){ if(tty != NULL) tty_hangup(tty); - line_disable(tty, irq); - close_chan(chans); - free_chan(chans); + close_chan(chans, 1); return; } - else { - if(chan->ops->close != NULL) - chan->ops->close(chan->fd, chan->data); - free_one_chan(chan); - } + else close_one_chan(chan, 1); } } out: if(tty) tty_flip_buffer_push(tty); } - -/* - * Overrides for Emacs so that we follow Linus's tabbing style. - * Emacs will notice this stuff at the end of the file and automatically - * adjust the settings for this buffer only. This must remain at the end - * of the file. - * --------------------------------------------------------------------------- - * Local variables: - * c-file-style: "linux" - * End: - */ diff --git a/arch/um/drivers/line.c b/arch/um/drivers/line.c index e0fdffa..46ceb25 100644 --- a/arch/um/drivers/line.c +++ b/arch/um/drivers/line.c @@ -1,4 +1,4 @@ -/* +/* * Copyright (C) 2001, 2002 Jeff Dike (jdike@karaya.com) * Licensed under the GPL */ @@ -23,8 +23,9 @@ static irqreturn_t line_interrupt(int irq, void *data, struct pt_regs *unused) { - struct tty_struct *tty = data; - struct line *line = tty->driver_data; + struct chan *chan = data; + struct line *line = chan->line; + struct tty_struct *tty = line->tty; if (line) chan_interrupt(&line->chan_list, &line->task, tty, irq); @@ -33,10 +34,11 @@ static irqreturn_t line_interrupt(int irq, void *data, struct pt_regs *unused) static void line_timer_cb(void *arg) { - struct tty_struct *tty = arg; - struct line *line = tty->driver_data; + struct line *line = arg; - line_interrupt(line->driver->read_irq, arg, NULL); + if(!line->throttled) + chan_interrupt(&line->chan_list, &line->task, line->tty, + line->driver->read_irq); } /* Returns the free space inside the ring buffer of this line. @@ -124,7 +126,8 @@ static int buffer_data(struct line *line, const char *buf, int len) if (len < end){ memcpy(line->tail, buf, len); line->tail += len; - } else { + } + else { /* The circular buffer is wrapping */ memcpy(line->tail, buf, end); buf += end; @@ -170,7 +173,7 @@ static int flush_buffer(struct line *line) } count = line->tail - line->head; - n = write_chan(&line->chan_list, line->head, count, + n = write_chan(&line->chan_list, line->head, count, line->driver->write_irq); if(n < 0) @@ -227,7 +230,7 @@ int line_write(struct tty_struct *tty, const unsigned char *buf, int len) if (err <= 0 && (err != -EAGAIN || !ret)) ret = err; } else { - n = write_chan(&line->chan_list, buf, len, + n = write_chan(&line->chan_list, buf, len, line->driver->write_irq); if (n < 0) { ret = n; @@ -338,11 +341,36 @@ int line_ioctl(struct tty_struct *tty, struct file * file, return ret; } +void line_throttle(struct tty_struct *tty) +{ + struct line *line = tty->driver_data; + + deactivate_chan(&line->chan_list, line->driver->read_irq); + line->throttled = 1; +} + +void line_unthrottle(struct tty_struct *tty) +{ + struct line *line = tty->driver_data; + + line->throttled = 0; + chan_interrupt(&line->chan_list, &line->task, tty, + line->driver->read_irq); + + /* Maybe there is enough stuff pending that calling the interrupt + * throttles us again. In this case, line->throttled will be 1 + * again and we shouldn't turn the interrupt back on. + */ + if(!line->throttled) + reactivate_chan(&line->chan_list, line->driver->read_irq); +} + static irqreturn_t line_write_interrupt(int irq, void *data, struct pt_regs *unused) { - struct tty_struct *tty = data; - struct line *line = tty->driver_data; + struct chan *chan = data; + struct line *line = chan->line; + struct tty_struct *tty = line->tty; int err; /* Interrupts are enabled here because we registered the interrupt with @@ -364,7 +392,7 @@ static irqreturn_t line_write_interrupt(int irq, void *data, if (test_bit(TTY_DO_WRITE_WAKEUP, &tty->flags) && (tty->ldisc.write_wakeup != NULL)) (tty->ldisc.write_wakeup)(tty); - + /* BLOCKING mode * In blocking mode, everything sleeps on tty->write_wait. * Sleeping in the console driver would break non-blocking @@ -376,53 +404,29 @@ static irqreturn_t line_write_interrupt(int irq, void *data, return IRQ_HANDLED; } -int line_setup_irq(int fd, int input, int output, struct tty_struct *tty) +int line_setup_irq(int fd, int input, int output, struct line *line, void *data) { - struct line *line = tty->driver_data; struct line_driver *driver = line->driver; int err = 0, flags = SA_INTERRUPT | SA_SHIRQ | SA_SAMPLE_RANDOM; if (input) err = um_request_irq(driver->read_irq, fd, IRQ_READ, - line_interrupt, flags, - driver->read_irq_name, tty); + line_interrupt, flags, + driver->read_irq_name, data); if (err) return err; if (output) err = um_request_irq(driver->write_irq, fd, IRQ_WRITE, - line_write_interrupt, flags, - driver->write_irq_name, tty); + line_write_interrupt, flags, + driver->write_irq_name, data); line->have_irq = 1; return err; } -void line_disable(struct tty_struct *tty, int current_irq) -{ - struct line *line = tty->driver_data; - - if(!line->have_irq) - return; - - if(line->driver->read_irq == current_irq) - free_irq_later(line->driver->read_irq, tty); - else { - free_irq(line->driver->read_irq, tty); - } - - if(line->driver->write_irq == current_irq) - free_irq_later(line->driver->write_irq, tty); - else { - free_irq(line->driver->write_irq, tty); - } - - line->have_irq = 0; -} - -int line_open(struct line *lines, struct tty_struct *tty, - struct chan_opts *opts) +int line_open(struct line *lines, struct tty_struct *tty) { struct line *line; - int err = 0; + int err = -ENODEV; line = &lines[tty->index]; tty->driver_data = line; @@ -430,31 +434,29 @@ int line_open(struct line *lines, struct tty_struct *tty, /* The IRQ which takes this lock is not yet enabled and won't be run * before the end, so we don't need to use spin_lock_irq.*/ spin_lock(&line->lock); - if (tty->count == 1) { - if (!line->valid) { - err = -ENODEV; - goto out; - } - if (list_empty(&line->chan_list)) { - err = parse_chan_pair(line->init_str, &line->chan_list, - line->init_pri, tty->index, opts); - if(err) goto out; - err = open_chan(&line->chan_list); - if(err) goto out; + + tty->driver_data = line; + line->tty = tty; + if(!line->valid) + goto out; + + if(tty->count == 1){ + /* Here the device is opened, if necessary, and interrupt + * is registered. + */ + enable_chan(line); + INIT_WORK(&line->task, line_timer_cb, line); + + if(!line->sigio){ + chan_enable_winch(&line->chan_list, tty); + line->sigio = 1; } - /* Here the interrupt is registered.*/ - enable_chan(&line->chan_list, tty); - INIT_WORK(&line->task, line_timer_cb, tty); - } - if(!line->sigio){ - chan_enable_winch(&line->chan_list, tty); - line->sigio = 1; + chan_window_size(&line->chan_list, &tty->winsize.ws_row, + &tty->winsize.ws_col); } - chan_window_size(&line->chan_list, &tty->winsize.ws_row, - &tty->winsize.ws_col); - line->count++; + err = 0; out: spin_unlock(&line->lock); return err; @@ -474,15 +476,14 @@ void line_close(struct tty_struct *tty, struct file * filp) /* We ignore the error anyway! */ flush_buffer(line); - line->count--; - if (tty->count == 1) { - line_disable(tty, -1); + if(tty->count == 1){ + line->tty = NULL; tty->driver_data = NULL; - } - if((line->count == 0) && line->sigio){ - unregister_winch(tty); - line->sigio = 0; + if(line->sigio){ + unregister_winch(tty); + line->sigio = 0; + } } spin_unlock_irq(&line->lock); @@ -493,17 +494,15 @@ void close_lines(struct line *lines, int nlines) int i; for(i = 0; i < nlines; i++) - close_chan(&lines[i].chan_list); + close_chan(&lines[i].chan_list, 0); } /* Common setup code for both startup command line and mconsole initialization. * @lines contains the the array (of size @num) to modify; * @init is the setup string; - * @all_allowed is a boolean saying if we can setup the whole @lines - * at once. For instance, it will be usually true for startup init. (where we - * can use con=xterm) and false for mconsole.*/ + */ -int line_setup(struct line *lines, unsigned int num, char *init, int all_allowed) +int line_setup(struct line *lines, unsigned int num, char *init) { int i, n; char *end; @@ -512,10 +511,11 @@ int line_setup(struct line *lines, unsigned int num, char *init, int all_allowed /* We said con=/ssl= instead of con#=, so we are configuring all * consoles at once.*/ n = -1; - } else { + } + else { n = simple_strtoul(init, &end, 0); if(*end != '='){ - printk(KERN_ERR "line_setup failed to parse \"%s\"\n", + printk(KERN_ERR "line_setup failed to parse \"%s\"\n", init); return 0; } @@ -527,8 +527,9 @@ int line_setup(struct line *lines, unsigned int num, char *init, int all_allowed printk("line_setup - %d out of range ((0 ... %d) allowed)\n", n, num - 1); return 0; - } else if (n >= 0){ - if (lines[n].count > 0) { + } + else if (n >= 0){ + if (lines[n].tty != NULL) { printk("line_setup - device %d is open\n", n); return 0; } @@ -539,13 +540,10 @@ int line_setup(struct line *lines, unsigned int num, char *init, int all_allowed else { lines[n].init_str = init; lines[n].valid = 1; - } + } } - } else if(!all_allowed){ - printk("line_setup - can't configure all devices from " - "mconsole\n"); - return 0; - } else { + } + else { for(i = 0; i < num; i++){ if(lines[i].init_pri <= INIT_ALL){ lines[i].init_pri = INIT_ALL; @@ -557,18 +555,33 @@ int line_setup(struct line *lines, unsigned int num, char *init, int all_allowed } } } - return 1; + return n == -1 ? num : n; } -int line_config(struct line *lines, unsigned int num, char *str) +int line_config(struct line *lines, unsigned int num, char *str, + struct chan_opts *opts) { - char *new = uml_strdup(str); + struct line *line; + char *new; + int n; + if(*str == '='){ + printk("line_config - can't configure all devices from " + "mconsole\n"); + return 1; + } + + new = kstrdup(str, GFP_KERNEL); if(new == NULL){ - printk("line_config - uml_strdup failed\n"); - return -ENOMEM; + printk("line_config - kstrdup failed\n"); + return 1; } - return !line_setup(lines, num, new, 0); + n = line_setup(lines, num, new); + if(n < 0) + return 1; + + line = &lines[n]; + return parse_chan_pair(line->init_str, line, n, opts); } int line_get_config(char *name, struct line *lines, unsigned int num, char *str, @@ -594,7 +607,7 @@ int line_get_config(char *name, struct line *lines, unsigned int num, char *str, spin_lock(&line->lock); if(!line->valid) CONFIG_CHUNK(str, size, n, "none", 1); - else if(line->count == 0) + else if(line->tty == NULL) CONFIG_CHUNK(str, size, n, line->init_str, 1); else n = chan_config_string(&line->chan_list, str, size, error_out); spin_unlock(&line->lock); @@ -619,14 +632,18 @@ int line_id(char **str, int *start_out, int *end_out) int line_remove(struct line *lines, unsigned int num, int n) { + int err; char config[sizeof("conxxxx=none\0")]; sprintf(config, "%d=none", n); - return !line_setup(lines, num, config, 0); + err = line_setup(lines, num, config); + if(err >= 0) + err = 0; + return err; } struct tty_driver *line_register_devfs(struct lines *set, - struct line_driver *line_driver, + struct line_driver *line_driver, struct tty_operations *ops, struct line *lines, int nlines) { @@ -655,7 +672,7 @@ struct tty_driver *line_register_devfs(struct lines *set, } for(i = 0; i < nlines; i++){ - if(!lines[i].valid) + if(!lines[i].valid) tty_unregister_device(driver, i); } @@ -663,24 +680,28 @@ struct tty_driver *line_register_devfs(struct lines *set, return driver; } -static spinlock_t winch_handler_lock; -LIST_HEAD(winch_handlers); +static DEFINE_SPINLOCK(winch_handler_lock); +static LIST_HEAD(winch_handlers); -void lines_init(struct line *lines, int nlines) +void lines_init(struct line *lines, int nlines, struct chan_opts *opts) { struct line *line; int i; - spin_lock_init(&winch_handler_lock); for(i = 0; i < nlines; i++){ line = &lines[i]; INIT_LIST_HEAD(&line->chan_list); - spin_lock_init(&line->lock); - if(line->init_str != NULL){ - line->init_str = uml_strdup(line->init_str); - if(line->init_str == NULL) - printk("lines_init - uml_strdup returned " - "NULL\n"); + + if(line->init_str == NULL) + continue; + + line->init_str = kstrdup(line->init_str, GFP_KERNEL); + if(line->init_str == NULL) + printk("lines_init - kstrdup returned NULL\n"); + + if(parse_chan_pair(line->init_str, line, i, opts)){ + printk("parse_chan_pair failed for device %d\n", i); + line->valid = 0; } } } @@ -717,8 +738,7 @@ irqreturn_t winch_interrupt(int irq, void *data, struct pt_regs *unused) tty = winch->tty; if (tty != NULL) { line = tty->driver_data; - chan_window_size(&line->chan_list, - &tty->winsize.ws_row, + chan_window_size(&line->chan_list, &tty->winsize.ws_row, &tty->winsize.ws_col); kill_pg(tty->pgrp, SIGWINCH, 1); } @@ -749,60 +769,54 @@ void register_winch_irq(int fd, int tty_fd, int pid, struct tty_struct *tty) spin_unlock(&winch_handler_lock); if(um_request_irq(WINCH_IRQ, fd, IRQ_READ, winch_interrupt, - SA_INTERRUPT | SA_SHIRQ | SA_SAMPLE_RANDOM, + SA_INTERRUPT | SA_SHIRQ | SA_SAMPLE_RANDOM, "winch", winch) < 0) printk("register_winch_irq - failed to register IRQ\n"); } +static void free_winch(struct winch *winch) +{ + list_del(&winch->list); + + if(winch->pid != -1) + os_kill_process(winch->pid, 1); + if(winch->fd != -1) + os_close_file(winch->fd); + + free_irq(WINCH_IRQ, winch); + kfree(winch); +} + static void unregister_winch(struct tty_struct *tty) { struct list_head *ele; - struct winch *winch, *found = NULL; + struct winch *winch; spin_lock(&winch_handler_lock); + list_for_each(ele, &winch_handlers){ winch = list_entry(ele, struct winch, list); if(winch->tty == tty){ - found = winch; - break; + free_winch(winch); + break; } } - if(found == NULL) - goto err; - - list_del(&winch->list); - spin_unlock(&winch_handler_lock); - - if(winch->pid != -1) - os_kill_process(winch->pid, 1); - - free_irq(WINCH_IRQ, winch); - kfree(winch); - - return; -err: spin_unlock(&winch_handler_lock); } -/* XXX: No lock as it's an exitcall... is this valid? Depending on cleanup - * order... are we sure that nothing else is done on the list? */ static void winch_cleanup(void) { - struct list_head *ele; + struct list_head *ele, *next; struct winch *winch; - list_for_each(ele, &winch_handlers){ + spin_lock(&winch_handler_lock); + + list_for_each_safe(ele, next, &winch_handlers){ winch = list_entry(ele, struct winch, list); - if(winch->fd != -1){ - /* Why is this different from the above free_irq(), - * which deactivates SIGIO? This searches the FD - * somewhere else and removes it from the list... */ - deactivate_fd(winch->fd, WINCH_IRQ); - os_close_file(winch->fd); - } - if(winch->pid != -1) - os_kill_process(winch->pid, 1); + free_winch(winch); } + + spin_unlock(&winch_handler_lock); } __uml_exitcall(winch_cleanup); @@ -811,10 +825,10 @@ char *add_xterm_umid(char *base) char *umid, *title; int len; - umid = get_umid(1); - if(umid == NULL) + umid = get_umid(); + if(*umid == '\0') return base; - + len = strlen(base) + strlen(" ()") + strlen(umid) + 1; title = kmalloc(len, GFP_KERNEL); if(title == NULL){ diff --git a/arch/um/drivers/mconsole_kern.c b/arch/um/drivers/mconsole_kern.c index 12c9536..be61012 100644 --- a/arch/um/drivers/mconsole_kern.c +++ b/arch/um/drivers/mconsole_kern.c @@ -20,6 +20,7 @@ #include "linux/namei.h" #include "linux/proc_fs.h" #include "linux/syscalls.h" +#include "linux/console.h" #include "asm/irq.h" #include "asm/uaccess.h" #include "user_util.h" @@ -34,7 +35,7 @@ #include "irq_kern.h" #include "choose-mode.h" -static int do_unlink_socket(struct notifier_block *notifier, +static int do_unlink_socket(struct notifier_block *notifier, unsigned long what, void *data) { return(mconsole_unlink_socket()); @@ -46,12 +47,12 @@ static struct notifier_block reboot_notifier = { .priority = 0, }; -/* Safe without explicit locking for now. Tasklets provide their own +/* Safe without explicit locking for now. Tasklets provide their own * locking, and the interrupt handler is safe because it can't interrupt * itself and it can only happen on CPU 0. */ -LIST_HEAD(mc_requests); +static LIST_HEAD(mc_requests); static void mc_work_proc(void *unused) { @@ -60,7 +61,7 @@ static void mc_work_proc(void *unused) while(!list_empty(&mc_requests)){ local_save_flags(flags); - req = list_entry(mc_requests.next, struct mconsole_entry, + req = list_entry(mc_requests.next, struct mconsole_entry, list); list_del(&req->list); local_irq_restore(flags); @@ -69,7 +70,7 @@ static void mc_work_proc(void *unused) } } -DECLARE_WORK(mconsole_work, mc_work_proc, NULL); +static DECLARE_WORK(mconsole_work, mc_work_proc, NULL); static irqreturn_t mconsole_interrupt(int irq, void *dev_id, struct pt_regs *regs) @@ -103,8 +104,8 @@ void mconsole_version(struct mc_request *req) { char version[256]; - sprintf(version, "%s %s %s %s %s", system_utsname.sysname, - system_utsname.nodename, system_utsname.release, + sprintf(version, "%s %s %s %s %s", system_utsname.sysname, + system_utsname.nodename, system_utsname.release, system_utsname.version, system_utsname.machine); mconsole_reply(req, version, 0, 0); } @@ -348,7 +349,7 @@ static struct mc_device *mconsole_find_dev(char *name) #define CONFIG_BUF_SIZE 64 -static void mconsole_get_config(int (*get_config)(char *, char *, int, +static void mconsole_get_config(int (*get_config)(char *, char *, int, char **), struct mc_request *req, char *name) { @@ -389,7 +390,6 @@ static void mconsole_get_config(int (*get_config)(char *, char *, int, out: if(buf != default_buf) kfree(buf); - } void mconsole_config(struct mc_request *req) @@ -420,9 +420,9 @@ void mconsole_config(struct mc_request *req) void mconsole_remove(struct mc_request *req) { - struct mc_device *dev; + struct mc_device *dev; char *ptr = req->request.data, *err_msg = ""; - char error[256]; + char error[256]; int err, start, end, n; ptr += strlen("remove"); @@ -433,37 +433,112 @@ void mconsole_remove(struct mc_request *req) return; } - ptr = &ptr[strlen(dev->name)]; - - err = 1; - n = (*dev->id)(&ptr, &start, &end); - if(n < 0){ - err_msg = "Couldn't parse device number"; - goto out; - } - else if((n < start) || (n > end)){ - sprintf(error, "Invalid device number - must be between " - "%d and %d", start, end); - err_msg = error; - goto out; - } + ptr = &ptr[strlen(dev->name)]; + + err = 1; + n = (*dev->id)(&ptr, &start, &end); + if(n < 0){ + err_msg = "Couldn't parse device number"; + goto out; + } + else if((n < start) || (n > end)){ + sprintf(error, "Invalid device number - must be between " + "%d and %d", start, end); + err_msg = error; + goto out; + } err = (*dev->remove)(n); - switch(err){ - case -ENODEV: - err_msg = "Device doesn't exist"; - break; - case -EBUSY: - err_msg = "Device is currently open"; - break; - default: - break; - } - out: + switch(err){ + case -ENODEV: + err_msg = "Device doesn't exist"; + break; + case -EBUSY: + err_msg = "Device is currently open"; + break; + default: + break; + } +out: mconsole_reply(req, err_msg, err, 0); } +static DEFINE_SPINLOCK(console_lock); +static LIST_HEAD(clients); +static char console_buf[MCONSOLE_MAX_DATA]; +static int console_index = 0; + +static void console_write(struct console *console, const char *string, + unsigned len) +{ + struct list_head *ele; + int n; + + if(list_empty(&clients)) + return; + + while(1){ + n = min(len, ARRAY_SIZE(console_buf) - console_index); + strncpy(&console_buf[console_index], string, n); + console_index += n; + string += n; + len -= n; + if(len == 0) + return; + + list_for_each(ele, &clients){ + struct mconsole_entry *entry; + + entry = list_entry(ele, struct mconsole_entry, list); + mconsole_reply_len(&entry->request, console_buf, + console_index, 0, 1); + } + + console_index = 0; + } +} + +static struct console mc_console = { .name = "mc", + .write = console_write, + .flags = CON_PRINTBUFFER | CON_ENABLED, + .index = -1 }; + +static int mc_add_console(void) +{ + register_console(&mc_console); + return 0; +} + +late_initcall(mc_add_console); + +static void with_console(struct mc_request *req, void (*proc)(void *), + void *arg) +{ + struct mconsole_entry entry; + unsigned long flags; + + INIT_LIST_HEAD(&entry.list); + entry.request = *req; + list_add(&entry.list, &clients); + spin_lock_irqsave(&console_lock, flags); + + (*proc)(arg); + + mconsole_reply_len(req, console_buf, console_index, 0, 0); + console_index = 0; + + spin_unlock_irqrestore(&console_lock, flags); + list_del(&entry.list); +} + #ifdef CONFIG_MAGIC_SYSRQ +static void sysrq_proc(void *arg) +{ + char *op = arg; + + handle_sysrq(*op, ¤t->thread.regs, NULL); +} + void mconsole_sysrq(struct mc_request *req) { char *ptr = req->request.data; @@ -471,8 +546,13 @@ void mconsole_sysrq(struct mc_request *req) ptr += strlen("sysrq"); while(isspace(*ptr)) ptr++; - mconsole_reply(req, "", 0, 0); - handle_sysrq(*ptr, ¤t->thread.regs, NULL); + /* With 'b', the system will shut down without a chance to reply, + * so in this case, we reply first. + */ + if(*ptr == 'b') + mconsole_reply(req, "", 0, 0); + + with_console(req, sysrq_proc, ptr); } #else void mconsole_sysrq(struct mc_request *req) @@ -481,6 +561,14 @@ void mconsole_sysrq(struct mc_request *req) } #endif +static void stack_proc(void *arg) +{ + struct task_struct *from = current, *to = arg; + + to->thread.saved_task = from; + switch_to(from, to, from); +} + /* Mconsole stack trace * Added by Allan Graves, Jeff Dike * Dumps a stacks registers to the linux console. @@ -488,37 +576,34 @@ void mconsole_sysrq(struct mc_request *req) */ void do_stack(struct mc_request *req) { - char *ptr = req->request.data; - int pid_requested= -1; - struct task_struct *from = NULL; + char *ptr = req->request.data; + int pid_requested= -1; + struct task_struct *from = NULL; struct task_struct *to = NULL; - /* Would be nice: - * 1) Send showregs output to mconsole. + /* Would be nice: + * 1) Send showregs output to mconsole. * 2) Add a way to stack dump all pids. */ - ptr += strlen("stack"); - while(isspace(*ptr)) ptr++; - - /* Should really check for multiple pids or reject bad args here */ - /* What do the arguments in mconsole_reply mean? */ - if(sscanf(ptr, "%d", &pid_requested) == 0){ - mconsole_reply(req, "Please specify a pid", 1, 0); - return; - } + ptr += strlen("stack"); + while(isspace(*ptr)) ptr++; - from = current; - to = find_task_by_pid(pid_requested); + /* Should really check for multiple pids or reject bad args here */ + /* What do the arguments in mconsole_reply mean? */ + if(sscanf(ptr, "%d", &pid_requested) == 0){ + mconsole_reply(req, "Please specify a pid", 1, 0); + return; + } - if((to == NULL) || (pid_requested == 0)) { - mconsole_reply(req, "Couldn't find that pid", 1, 0); - return; - } - to->thread.saved_task = current; + from = current; - switch_to(from, to, from); - mconsole_reply(req, "Stack Dumped to console and message log", 0, 0); + to = find_task_by_pid(pid_requested); + if((to == NULL) || (pid_requested == 0)) { + mconsole_reply(req, "Couldn't find that pid", 1, 0); + return; + } + with_console(req, stack_proc, to); } void mconsole_stack(struct mc_request *req) @@ -534,9 +619,9 @@ void mconsole_stack(struct mc_request *req) /* Changed by mconsole_setup, which is __setup, and called before SMP is * active. */ -static char *notify_socket = NULL; +static char *notify_socket = NULL; -int mconsole_init(void) +static int mconsole_init(void) { /* long to avoid size mismatch warnings from gcc */ long sock; @@ -563,16 +648,16 @@ int mconsole_init(void) } if(notify_socket != NULL){ - notify_socket = uml_strdup(notify_socket); + notify_socket = kstrdup(notify_socket, GFP_KERNEL); if(notify_socket != NULL) mconsole_notify(notify_socket, MCONSOLE_SOCKET, - mconsole_socket_name, + mconsole_socket_name, strlen(mconsole_socket_name) + 1); else printk(KERN_ERR "mconsole_setup failed to strdup " "string\n"); } - printk("mconsole (version %d) initialized on %s\n", + printk("mconsole (version %d) initialized on %s\n", MCONSOLE_VERSION, mconsole_socket_name); return(0); } @@ -585,7 +670,7 @@ static int write_proc_mconsole(struct file *file, const char __user *buffer, char *buf; buf = kmalloc(count + 1, GFP_KERNEL); - if(buf == NULL) + if(buf == NULL) return(-ENOMEM); if(copy_from_user(buf, buffer, count)){ @@ -661,7 +746,7 @@ static int notify_panic(struct notifier_block *self, unsigned long unused1, if(notify_socket == NULL) return(0); - mconsole_notify(notify_socket, MCONSOLE_PANIC, message, + mconsole_notify(notify_socket, MCONSOLE_PANIC, message, strlen(message) + 1); return(0); } @@ -686,14 +771,3 @@ char *mconsole_notify_socket(void) } EXPORT_SYMBOL(mconsole_notify_socket); - -/* - * Overrides for Emacs so that we follow Linus's tabbing style. - * Emacs will notice this stuff at the end of the file and automatically - * adjust the settings for this buffer only. This must remain at the end - * of the file. - * --------------------------------------------------------------------------- - * Local variables: - * c-file-style: "linux" - * End: - */ diff --git a/arch/um/drivers/mconsole_user.c b/arch/um/drivers/mconsole_user.c index 310c1f8..4b109fe 100644 --- a/arch/um/drivers/mconsole_user.c +++ b/arch/um/drivers/mconsole_user.c @@ -122,12 +122,12 @@ int mconsole_get_request(int fd, struct mc_request *req) return(1); } -int mconsole_reply(struct mc_request *req, char *str, int err, int more) +int mconsole_reply_len(struct mc_request *req, const char *str, int total, + int err, int more) { struct mconsole_reply reply; - int total, len, n; + int len, n; - total = strlen(str); do { reply.err = err; @@ -155,6 +155,12 @@ int mconsole_reply(struct mc_request *req, char *str, int err, int more) return(0); } +int mconsole_reply(struct mc_request *req, const char *str, int err, int more) +{ + return mconsole_reply_len(req, str, strlen(str), err, more); +} + + int mconsole_unlink_socket(void) { unlink(mconsole_socket_name); diff --git a/arch/um/drivers/net_kern.c b/arch/um/drivers/net_kern.c index 84c73a3..fb1f9fb 100644 --- a/arch/um/drivers/net_kern.c +++ b/arch/um/drivers/net_kern.c @@ -34,7 +34,7 @@ #define DRIVER_NAME "uml-netdev" static DEFINE_SPINLOCK(opened_lock); -LIST_HEAD(opened); +static LIST_HEAD(opened); static int uml_net_rx(struct net_device *dev) { @@ -150,6 +150,7 @@ static int uml_net_close(struct net_device *dev) if(lp->close != NULL) (*lp->close)(lp->fd, &lp->user); lp->fd = -1; + list_del(&lp->list); spin_unlock(&lp->lock); return 0; @@ -266,7 +267,7 @@ void uml_net_user_timer_expire(unsigned long _conn) } static DEFINE_SPINLOCK(devices_lock); -static struct list_head devices = LIST_HEAD_INIT(devices); +static LIST_HEAD(devices); static struct platform_driver uml_net_driver = { .driver = { @@ -586,7 +587,7 @@ static int net_config(char *str) err = eth_parse(str, &n, &str); if(err) return(err); - str = uml_strdup(str); + str = kstrdup(str, GFP_KERNEL); if(str == NULL){ printk(KERN_ERR "net_config failed to strdup string\n"); return(-1); @@ -715,6 +716,7 @@ static void close_devices(void) list_for_each(ele, &opened){ lp = list_entry(ele, struct uml_net_private, list); + free_irq(lp->dev->irq, lp->dev); if((lp->close != NULL) && (lp->fd >= 0)) (*lp->close)(lp->fd, &lp->user); if(lp->remove != NULL) (*lp->remove)(&lp->user); diff --git a/arch/um/drivers/ssl.c b/arch/um/drivers/ssl.c index 62e04ec..a32ef55 100644 --- a/arch/um/drivers/ssl.c +++ b/arch/um/drivers/ssl.c @@ -69,7 +69,7 @@ static struct line_driver driver = { .name = "ssl", .config = ssl_config, .get_config = ssl_get_config, - .id = line_id, + .id = line_id, .remove = ssl_remove, }, }; @@ -84,26 +84,23 @@ static struct lines lines = LINES_INIT(NR_PORTS); static int ssl_config(char *str) { - return(line_config(serial_lines, - sizeof(serial_lines)/sizeof(serial_lines[0]), str)); + return line_config(serial_lines, ARRAY_SIZE(serial_lines), str, &opts); } static int ssl_get_config(char *dev, char *str, int size, char **error_out) { - return(line_get_config(dev, serial_lines, - sizeof(serial_lines)/sizeof(serial_lines[0]), - str, size, error_out)); + return line_get_config(dev, serial_lines, ARRAY_SIZE(serial_lines), str, + size, error_out); } static int ssl_remove(int n) { - return line_remove(serial_lines, - sizeof(serial_lines)/sizeof(serial_lines[0]), n); + return line_remove(serial_lines, ARRAY_SIZE(serial_lines), n); } int ssl_open(struct tty_struct *tty, struct file *filp) { - return line_open(serial_lines, tty, &opts); + return line_open(serial_lines, tty); } #if 0 @@ -112,16 +109,6 @@ static void ssl_flush_buffer(struct tty_struct *tty) return; } -static void ssl_throttle(struct tty_struct * tty) -{ - printk(KERN_ERR "Someone should implement ssl_throttle\n"); -} - -static void ssl_unthrottle(struct tty_struct * tty) -{ - printk(KERN_ERR "Someone should implement ssl_unthrottle\n"); -} - static void ssl_stop(struct tty_struct *tty) { printk(KERN_ERR "Someone should implement ssl_stop\n"); @@ -148,9 +135,9 @@ static struct tty_operations ssl_ops = { .flush_chars = line_flush_chars, .set_termios = line_set_termios, .ioctl = line_ioctl, + .throttle = line_throttle, + .unthrottle = line_unthrottle, #if 0 - .throttle = ssl_throttle, - .unthrottle = ssl_unthrottle, .stop = ssl_stop, .start = ssl_start, .hangup = ssl_hangup, @@ -183,7 +170,7 @@ static int ssl_console_setup(struct console *co, char *options) { struct line *line = &serial_lines[co->index]; - return console_open_chan(line,co,&opts); + return console_open_chan(line, co, &opts); } static struct console ssl_cons = { @@ -199,12 +186,13 @@ int ssl_init(void) { char *new_title; - printk(KERN_INFO "Initializing software serial port version %d\n", + printk(KERN_INFO "Initializing software serial port version %d\n", ssl_version); ssl_driver = line_register_devfs(&lines, &driver, &ssl_ops, - serial_lines, ARRAY_SIZE(serial_lines)); + serial_lines, + ARRAY_SIZE(serial_lines)); - lines_init(serial_lines, sizeof(serial_lines)/sizeof(serial_lines[0])); + lines_init(serial_lines, ARRAY_SIZE(serial_lines), &opts); new_title = add_xterm_umid(opts.xterm_title); if (new_title != NULL) @@ -212,7 +200,7 @@ int ssl_init(void) ssl_init_done = 1; register_console(&ssl_cons); - return(0); + return 0; } late_initcall(ssl_init); @@ -220,16 +208,13 @@ static void ssl_exit(void) { if (!ssl_init_done) return; - close_lines(serial_lines, - sizeof(serial_lines)/sizeof(serial_lines[0])); + close_lines(serial_lines, ARRAY_SIZE(serial_lines)); } __uml_exitcall(ssl_exit); static int ssl_chan_setup(char *str) { - return(line_setup(serial_lines, - sizeof(serial_lines)/sizeof(serial_lines[0]), - str, 1)); + return line_setup(serial_lines, ARRAY_SIZE(serial_lines), str); } __setup("ssl", ssl_chan_setup); diff --git a/arch/um/drivers/stdio_console.c b/arch/um/drivers/stdio_console.c index 005aa63..61db8b2 100644 --- a/arch/um/drivers/stdio_console.c +++ b/arch/um/drivers/stdio_console.c @@ -75,7 +75,7 @@ static struct line_driver driver = { .name = "con", .config = con_config, .get_config = con_get_config, - .id = line_id, + .id = line_id, .remove = con_remove, }, }; @@ -86,28 +86,27 @@ static struct lines console_lines = LINES_INIT(MAX_TTYS); * individual elements are protected by individual semaphores. */ struct line vts[MAX_TTYS] = { LINE_INIT(CONFIG_CON_ZERO_CHAN, &driver), - [ 1 ... MAX_TTYS - 1 ] = + [ 1 ... MAX_TTYS - 1 ] = LINE_INIT(CONFIG_CON_CHAN, &driver) }; static int con_config(char *str) { - return(line_config(vts, sizeof(vts)/sizeof(vts[0]), str)); + return line_config(vts, ARRAY_SIZE(vts), str, &opts); } static int con_get_config(char *dev, char *str, int size, char **error_out) { - return(line_get_config(dev, vts, sizeof(vts)/sizeof(vts[0]), str, - size, error_out)); + return line_get_config(dev, vts, ARRAY_SIZE(vts), str, size, error_out); } static int con_remove(int n) { - return line_remove(vts, sizeof(vts)/sizeof(vts[0]), n); + return line_remove(vts, ARRAY_SIZE(vts), n); } static int con_open(struct tty_struct *tty, struct file *filp) { - return line_open(vts, tty, &opts); + return line_open(vts, tty); } static int con_init_done = 0; @@ -117,16 +116,18 @@ static struct tty_operations console_ops = { .close = line_close, .write = line_write, .put_char = line_put_char, - .write_room = line_write_room, + .write_room = line_write_room, .chars_in_buffer = line_chars_in_buffer, .flush_buffer = line_flush_buffer, .flush_chars = line_flush_chars, .set_termios = line_set_termios, .ioctl = line_ioctl, + .throttle = line_throttle, + .unthrottle = line_unthrottle, }; static void uml_console_write(struct console *console, const char *string, - unsigned len) + unsigned len) { struct line *line = &vts[console->index]; unsigned long flags; @@ -146,7 +147,7 @@ static int uml_console_setup(struct console *co, char *options) { struct line *line = &vts[co->index]; - return console_open_chan(line,co,&opts); + return console_open_chan(line, co, &opts); } static struct console stdiocons = { @@ -156,7 +157,7 @@ static struct console stdiocons = { .setup = uml_console_setup, .flags = CON_PRINTBUFFER, .index = -1, - .data = &vts, + .data = &vts, }; int stdio_init(void) @@ -166,11 +167,11 @@ int stdio_init(void) console_driver = line_register_devfs(&console_lines, &driver, &console_ops, vts, ARRAY_SIZE(vts)); - if (NULL == console_driver) + if (console_driver == NULL) return -1; printk(KERN_INFO "Initialized stdio console driver\n"); - lines_init(vts, sizeof(vts)/sizeof(vts[0])); + lines_init(vts, ARRAY_SIZE(vts), &opts); new_title = add_xterm_umid(opts.xterm_title); if(new_title != NULL) @@ -178,7 +179,7 @@ int stdio_init(void) con_init_done = 1; register_console(&stdiocons); - return(0); + return 0; } late_initcall(stdio_init); @@ -186,13 +187,13 @@ static void console_exit(void) { if (!con_init_done) return; - close_lines(vts, sizeof(vts)/sizeof(vts[0])); + close_lines(vts, ARRAY_SIZE(vts)); } __uml_exitcall(console_exit); static int console_chan_setup(char *str) { - return(line_setup(vts, sizeof(vts)/sizeof(vts[0]), str, 1)); + return line_setup(vts, ARRAY_SIZE(vts), str); } __setup("con", console_chan_setup); __channel_help(console_chan_setup, "con"); diff --git a/arch/um/drivers/ubd_kern.c b/arch/um/drivers/ubd_kern.c index 9389891..73f9652 100644 --- a/arch/um/drivers/ubd_kern.c +++ b/arch/um/drivers/ubd_kern.c @@ -706,7 +706,7 @@ static int ubd_config(char *str) { int n, err; - str = uml_strdup(str); + str = kstrdup(str, GFP_KERNEL); if(str == NULL){ printk(KERN_ERR "ubd_config failed to strdup string\n"); return(1); @@ -1387,15 +1387,6 @@ int io_thread(void *arg) printk("io_thread - write failed, fd = %d, err = %d\n", kernel_fd, -n); } -} -/* - * Overrides for Emacs so that we follow Linus's tabbing style. - * Emacs will notice this stuff at the end of the file and automatically - * adjust the settings for this buffer only. This must remain at the end - * of the file. - * --------------------------------------------------------------------------- - * Local variables: - * c-file-style: "linux" - * End: - */ + return 0; +} diff --git a/arch/um/include/chan_kern.h b/arch/um/include/chan_kern.h index da9a671..1bb5e9d 100644 --- a/arch/um/include/chan_kern.h +++ b/arch/um/include/chan_kern.h @@ -14,21 +14,23 @@ struct chan { struct list_head list; + struct list_head free_list; + struct line *line; char *dev; unsigned int primary:1; unsigned int input:1; unsigned int output:1; unsigned int opened:1; + unsigned int enabled:1; int fd; - enum chan_init_pri pri; struct chan_ops *ops; void *data; }; extern void chan_interrupt(struct list_head *chans, struct work_struct *task, struct tty_struct *tty, int irq); -extern int parse_chan_pair(char *str, struct list_head *chans, int pri, - int device, struct chan_opts *opts); +extern int parse_chan_pair(char *str, struct line *line, int device, + struct chan_opts *opts); extern int open_chan(struct list_head *chans); extern int write_chan(struct list_head *chans, const char *buf, int len, int write_irq); @@ -36,9 +38,11 @@ extern int console_write_chan(struct list_head *chans, const char *buf, int len); extern int console_open_chan(struct line *line, struct console *co, struct chan_opts *opts); -extern void close_chan(struct list_head *chans); +extern void deactivate_chan(struct list_head *chans, int irq); +extern void reactivate_chan(struct list_head *chans, int irq); extern void chan_enable_winch(struct list_head *chans, struct tty_struct *tty); -extern void enable_chan(struct list_head *chans, struct tty_struct *tty); +extern void enable_chan(struct line *line); +extern void close_chan(struct list_head *chans, int delay_free_irq); extern int chan_window_size(struct list_head *chans, unsigned short *rows_out, unsigned short *cols_out); @@ -47,14 +51,3 @@ extern int chan_config_string(struct list_head *chans, char *str, int size, char **error_out); #endif - -/* - * Overrides for Emacs so that we follow Linus's tabbing style. - * Emacs will notice this stuff at the end of the file and automatically - * adjust the settings for this buffer only. This must remain at the end - * of the file. - * --------------------------------------------------------------------------- - * Local variables: - * c-file-style: "linux" - * End: - */ diff --git a/arch/um/include/choose-mode.h b/arch/um/include/choose-mode.h index f25fa83..b87b36a 100644 --- a/arch/um/include/choose-mode.h +++ b/arch/um/include/choose-mode.h @@ -23,6 +23,9 @@ static inline void *__choose_mode(void *tt, void *skas) { #elif defined(UML_CONFIG_MODE_TT) #define CHOOSE_MODE(tt, skas) (tt) + +#else +#error CONFIG_MODE_SKAS and CONFIG_MODE_TT are both disabled #endif #define CHOOSE_MODE_PROC(tt, skas, args...) \ diff --git a/arch/um/include/irq_user.h b/arch/um/include/irq_user.h index f724b71..b61deb8 100644 --- a/arch/um/include/irq_user.h +++ b/arch/um/include/irq_user.h @@ -18,19 +18,8 @@ extern int deactivate_all_fds(void); extern void forward_interrupts(int pid); extern void init_irq_signals(int on_sigstack); extern void forward_ipi(int fd, int pid); -extern void free_irq_later(int irq, void *dev_id); extern int activate_ipi(int fd, int pid); extern unsigned long irq_lock(void); extern void irq_unlock(unsigned long flags); -#endif -/* - * Overrides for Emacs so that we follow Linus's tabbing style. - * Emacs will notice this stuff at the end of the file and automatically - * adjust the settings for this buffer only. This must remain at the end - * of the file. - * --------------------------------------------------------------------------- - * Local variables: - * c-file-style: "linux" - * End: - */ +#endif diff --git a/arch/um/include/kern.h b/arch/um/include/kern.h index 1e31707..7d223be 100644 --- a/arch/um/include/kern.h +++ b/arch/um/include/kern.h @@ -17,7 +17,7 @@ extern int errno; extern int clone(int (*proc)(void *), void *sp, int flags, void *data); extern int sleep(int); -extern int printf(char *fmt, ...); +extern int printf(const char *fmt, ...); extern char *strerror(int errnum); extern char *ptsname(int __fd); extern int munmap(void *, int); @@ -35,15 +35,6 @@ extern int read(unsigned int, char *, int); extern int pipe(int *); extern int sched_yield(void); extern int ptrace(int op, int pid, long addr, long data); + #endif -/* - * Overrides for Emacs so that we follow Linus's tabbing style. - * Emacs will notice this stuff at the end of the file and automatically - * adjust the settings for this buffer only. This must remain at the end - * of the file. - * --------------------------------------------------------------------------- - * Local variables: - * c-file-style: "linux" - * End: - */ diff --git a/arch/um/include/line.h b/arch/um/include/line.h index 5323d22..6f4d680 100644 --- a/arch/um/include/line.h +++ b/arch/um/include/line.h @@ -32,11 +32,13 @@ struct line_driver { }; struct line { + struct tty_struct *tty; char *init_str; int init_pri; struct list_head chan_list; int valid; int count; + int throttled; /*This lock is actually, mostly, local to*/ spinlock_t lock; @@ -58,14 +60,15 @@ struct line { #define LINE_INIT(str, d) \ { init_str : str, \ init_pri : INIT_STATIC, \ - chan_list : { }, \ valid : 1, \ + throttled : 0, \ + lock : SPIN_LOCK_UNLOCKED, \ buffer : NULL, \ head : NULL, \ tail : NULL, \ sigio : 0, \ - driver : d, \ - have_irq : 0 } + driver : d, \ + have_irq : 0 } struct lines { int num; @@ -74,11 +77,11 @@ struct lines { #define LINES_INIT(n) { num : n } extern void line_close(struct tty_struct *tty, struct file * filp); -extern int line_open(struct line *lines, struct tty_struct *tty, - struct chan_opts *opts); -extern int line_setup(struct line *lines, unsigned int sizeof_lines, char *init, - int all_allowed); -extern int line_write(struct tty_struct *tty, const unsigned char *buf, int len); +extern int line_open(struct line *lines, struct tty_struct *tty); +extern int line_setup(struct line *lines, unsigned int sizeof_lines, + char *init); +extern int line_write(struct tty_struct *tty, const unsigned char *buf, + int len); extern void line_put_char(struct tty_struct *tty, unsigned char ch); extern void line_set_termios(struct tty_struct *tty, struct termios * old); extern int line_chars_in_buffer(struct tty_struct *tty); @@ -87,23 +90,27 @@ extern void line_flush_chars(struct tty_struct *tty); extern int line_write_room(struct tty_struct *tty); extern int line_ioctl(struct tty_struct *tty, struct file * file, unsigned int cmd, unsigned long arg); +extern void line_throttle(struct tty_struct *tty); +extern void line_unthrottle(struct tty_struct *tty); extern char *add_xterm_umid(char *base); -extern int line_setup_irq(int fd, int input, int output, struct tty_struct *tty); +extern int line_setup_irq(int fd, int input, int output, struct line *line, + void *data); extern void line_close_chan(struct line *line); -extern void line_disable(struct tty_struct *tty, int current_irq); -extern struct tty_driver * line_register_devfs(struct lines *set, - struct line_driver *line_driver, +extern struct tty_driver * line_register_devfs(struct lines *set, + struct line_driver *line_driver, struct tty_operations *driver, struct line *lines, int nlines); -extern void lines_init(struct line *lines, int nlines); +extern void lines_init(struct line *lines, int nlines, struct chan_opts *opts); extern void close_lines(struct line *lines, int nlines); -extern int line_config(struct line *lines, unsigned int sizeof_lines, char *str); +extern int line_config(struct line *lines, unsigned int sizeof_lines, + char *str, struct chan_opts *opts); extern int line_id(char **str, int *start_out, int *end_out); extern int line_remove(struct line *lines, unsigned int sizeof_lines, int n); -extern int line_get_config(char *dev, struct line *lines, unsigned int sizeof_lines, char *str, +extern int line_get_config(char *dev, struct line *lines, + unsigned int sizeof_lines, char *str, int size, char **error_out); #endif diff --git a/arch/um/include/mconsole.h b/arch/um/include/mconsole.h index b1b512f..58f67d3 100644 --- a/arch/um/include/mconsole.h +++ b/arch/um/include/mconsole.h @@ -32,7 +32,7 @@ struct mconsole_reply { struct mconsole_notify { u32 magic; - u32 version; + u32 version; enum { MCONSOLE_SOCKET, MCONSOLE_PANIC, MCONSOLE_HANG, MCONSOLE_USER_NOTIFY } type; u32 len; @@ -66,7 +66,9 @@ struct mc_request extern char mconsole_socket_name[]; extern int mconsole_unlink_socket(void); -extern int mconsole_reply(struct mc_request *req, char *reply, int err, +extern int mconsole_reply_len(struct mc_request *req, const char *reply, + int len, int err, int more); +extern int mconsole_reply(struct mc_request *req, const char *str, int err, int more); extern void mconsole_version(struct mc_request *req); @@ -84,7 +86,7 @@ extern void mconsole_proc(struct mc_request *req); extern void mconsole_stack(struct mc_request *req); extern int mconsole_get_request(int fd, struct mc_request *req); -extern int mconsole_notify(char *sock_name, int type, const void *data, +extern int mconsole_notify(char *sock_name, int type, const void *data, int len); extern char *mconsole_notify_socket(void); extern void lock_notify(void); diff --git a/arch/um/include/os.h b/arch/um/include/os.h index 2cccfa5..c279ee6 100644 --- a/arch/um/include/os.h +++ b/arch/um/include/os.h @@ -213,15 +213,10 @@ extern int run_helper_thread(int (*proc)(void *), void *arg, int stack_order); extern int helper_wait(int pid); -#endif +/* umid.c */ -/* - * Overrides for Emacs so that we follow Linus's tabbing style. - * Emacs will notice this stuff at the end of the file and automatically - * adjust the settings for this buffer only. This must remain at the end - * of the file. - * --------------------------------------------------------------------------- - * Local variables: - * c-file-style: "linux" - * End: - */ +extern int umid_file_name(char *name, char *buf, int len); +extern int set_umid(char *name); +extern char *get_umid(void); + +#endif diff --git a/arch/um/include/sysdep-i386/stub.h b/arch/um/include/sysdep-i386/stub.h index 6ba8cbb..b492b12 100644 --- a/arch/um/include/sysdep-i386/stub.h +++ b/arch/um/include/sysdep-i386/stub.h @@ -6,8 +6,12 @@ #ifndef __SYSDEP_STUB_H #define __SYSDEP_STUB_H +#include <sys/mman.h> #include <asm/ptrace.h> #include <asm/unistd.h> +#include "stub-data.h" +#include "kern_constants.h" +#include "uml-config.h" extern void stub_segv_handler(int sig); extern void stub_clone_handler(void); @@ -76,23 +80,22 @@ static inline long stub_syscall5(long syscall, long arg1, long arg2, long arg3, return ret; } -static inline long stub_syscall6(long syscall, long arg1, long arg2, long arg3, - long arg4, long arg5, long arg6) +static inline void trap_myself(void) { - long ret; - - __asm__ volatile ("push %%ebp ; movl %%eax,%%ebp ; movl %1,%%eax ; " - "int $0x80 ; pop %%ebp" - : "=a" (ret) - : "g" (syscall), "b" (arg1), "c" (arg2), "d" (arg3), - "S" (arg4), "D" (arg5), "0" (arg6)); - - return ret; + __asm("int3"); } -static inline void trap_myself(void) +static inline void remap_stack(int fd, unsigned long offset) { - __asm("int3"); + __asm__ volatile ("movl %%eax,%%ebp ; movl %0,%%eax ; int $0x80 ;" + "movl %7, %%ebx ; movl %%eax, (%%ebx)" + : : "g" (STUB_MMAP_NR), "b" (UML_CONFIG_STUB_DATA), + "c" (UM_KERN_PAGE_SIZE), + "d" (PROT_READ | PROT_WRITE), + "S" (MAP_FIXED | MAP_SHARED), "D" (fd), + "a" (offset), + "i" (&((struct stub_data *) UML_CONFIG_STUB_DATA)->err) + : "memory"); } #endif diff --git a/arch/um/include/sysdep-x86_64/stub.h b/arch/um/include/sysdep-x86_64/stub.h index c41689c..92e989f 100644 --- a/arch/um/include/sysdep-x86_64/stub.h +++ b/arch/um/include/sysdep-x86_64/stub.h @@ -6,8 +6,12 @@ #ifndef __SYSDEP_STUB_H #define __SYSDEP_STUB_H +#include <sys/mman.h> #include <asm/unistd.h> #include <sysdep/ptrace_user.h> +#include "stub-data.h" +#include "kern_constants.h" +#include "uml-config.h" extern void stub_segv_handler(int sig); extern void stub_clone_handler(void); @@ -81,23 +85,23 @@ static inline long stub_syscall5(long syscall, long arg1, long arg2, long arg3, return ret; } -static inline long stub_syscall6(long syscall, long arg1, long arg2, long arg3, - long arg4, long arg5, long arg6) +static inline void trap_myself(void) { - long ret; - - __asm__ volatile ("movq %5,%%r10 ; movq %6,%%r8 ; " - "movq %7, %%r9; " __syscall : "=a" (ret) - : "0" (syscall), "D" (arg1), "S" (arg2), "d" (arg3), - "g" (arg4), "g" (arg5), "g" (arg6) - : __syscall_clobber, "r10", "r8", "r9" ); - - return ret; + __asm("int3"); } -static inline void trap_myself(void) +static inline void remap_stack(long fd, unsigned long offset) { - __asm("int3"); + __asm__ volatile ("movq %4,%%r10 ; movq %5,%%r8 ; " + "movq %6, %%r9; " __syscall "; movq %7, %%rbx ; " + "movq %%rax, (%%rbx)": + : "a" (STUB_MMAP_NR), "D" (UML_CONFIG_STUB_DATA), + "S" (UM_KERN_PAGE_SIZE), + "d" (PROT_READ | PROT_WRITE), + "g" (MAP_FIXED | MAP_SHARED), "g" (fd), + "g" (offset), + "i" (&((struct stub_data *) UML_CONFIG_STUB_DATA)->err) + : __syscall_clobber, "r10", "r8", "r9" ); } #endif diff --git a/arch/um/include/um_uaccess.h b/arch/um/include/um_uaccess.h index f8760a3..4567f1e 100644 --- a/arch/um/include/um_uaccess.h +++ b/arch/um/include/um_uaccess.h @@ -17,6 +17,8 @@ #include "uaccess-skas.h" #endif +#include "asm/fixmap.h" + #define __under_task_size(addr, size) \ (((unsigned long) (addr) < TASK_SIZE) && \ (((unsigned long) (addr) + (size)) < TASK_SIZE)) diff --git a/arch/um/include/user_util.h b/arch/um/include/user_util.h index bb505e0..b998400 100644 --- a/arch/um/include/user_util.h +++ b/arch/um/include/user_util.h @@ -64,7 +64,6 @@ extern void setup_machinename(char *machine_out); extern void setup_hostinfo(void); extern void do_exec(int old_pid, int new_pid); extern void tracer_panic(char *msg, ...); -extern char *get_umid(int only_if_set); extern void do_longjmp(void *p, int val); extern int detach(int pid, int sig); extern int attach(int pid); diff --git a/arch/um/kernel/Makefile b/arch/um/kernel/Makefile index 3de9d21..6f77005 100644 --- a/arch/um/kernel/Makefile +++ b/arch/um/kernel/Makefile @@ -10,8 +10,8 @@ obj-y = config.o exec_kern.o exitcode.o \ init_task.o irq.o irq_user.o ksyms.o mem.o physmem.o \ process_kern.o ptrace.o reboot.o resource.o sigio_user.o sigio_kern.o \ signal_kern.o signal_user.o smp.o syscall_kern.o sysrq.o time.o \ - time_kern.o tlb.o trap_kern.o trap_user.o uaccess.o um_arch.o \ - umid.o user_util.o + time_kern.o tlb.o trap_kern.o trap_user.o uaccess.o um_arch.o umid.o \ + user_util.o obj-$(CONFIG_BLK_DEV_INITRD) += initrd.o obj-$(CONFIG_GPROF) += gprof_syms.o @@ -24,7 +24,7 @@ obj-$(CONFIG_MODE_SKAS) += skas/ user-objs-$(CONFIG_TTY_LOG) += tty_log.o -USER_OBJS := $(user-objs-y) config.o time.o tty_log.o umid.o user_util.o +USER_OBJS := $(user-objs-y) config.o time.o tty_log.o user_util.o include arch/um/scripts/Makefile.rules diff --git a/arch/um/kernel/irq_user.c b/arch/um/kernel/irq_user.c index c3ccaf2..50a2aa3 100644 --- a/arch/um/kernel/irq_user.c +++ b/arch/um/kernel/irq_user.c @@ -29,7 +29,6 @@ struct irq_fd { int pid; int events; int current_events; - int freed; }; static struct irq_fd *active_fds = NULL; @@ -41,9 +40,11 @@ static int pollfds_size = 0; extern int io_count, intr_count; +extern void free_irqs(void); + void sigio_handler(int sig, union uml_pt_regs *regs) { - struct irq_fd *irq_fd, *next; + struct irq_fd *irq_fd; int i, n; if(smp_sigio_handler()) return; @@ -66,29 +67,15 @@ void sigio_handler(int sig, union uml_pt_regs *regs) irq_fd = irq_fd->next; } - for(irq_fd = active_fds; irq_fd != NULL; irq_fd = next){ - next = irq_fd->next; + for(irq_fd = active_fds; irq_fd != NULL; irq_fd = irq_fd->next){ if(irq_fd->current_events != 0){ irq_fd->current_events = 0; do_IRQ(irq_fd->irq, regs); - - /* This is here because the next irq may be - * freed in the handler. If a console goes - * away, both the read and write irqs will be - * freed. After do_IRQ, ->next will point to - * a good IRQ. - * Irqs can't be freed inside their handlers, - * so the next best thing is to have them - * marked as needing freeing, so that they - * can be freed here. - */ - next = irq_fd->next; - if(irq_fd->freed){ - free_irq(irq_fd->irq, irq_fd->id); - } } } } + + free_irqs(); } int activate_ipi(int fd, int pid) @@ -136,8 +123,7 @@ int activate_fd(int irq, int fd, int type, void *dev_id) .irq = irq, .pid = pid, .events = events, - .current_events = 0, - .freed = 0 } ); + .current_events = 0 } ); /* Critical section - locked by a spinlock because this stuff can * be changed from interrupt handlers. The stuff above is done @@ -313,26 +299,6 @@ static struct irq_fd *find_irq_by_fd(int fd, int irqnum, int *index_out) return(irq); } -void free_irq_later(int irq, void *dev_id) -{ - struct irq_fd *irq_fd; - unsigned long flags; - - flags = irq_lock(); - for(irq_fd = active_fds; irq_fd != NULL; irq_fd = irq_fd->next){ - if((irq_fd->irq == irq) && (irq_fd->id == dev_id)) - break; - } - if(irq_fd == NULL){ - printk("free_irq_later found no irq, irq = %d, " - "dev_id = 0x%p\n", irq, dev_id); - goto out; - } - irq_fd->freed = 1; - out: - irq_unlock(flags); -} - void reactivate_fd(int fd, int irqnum) { struct irq_fd *irq; diff --git a/arch/um/kernel/process_kern.c b/arch/um/kernel/process_kern.c index 34b54a3..651abf2 100644 --- a/arch/um/kernel/process_kern.c +++ b/arch/um/kernel/process_kern.c @@ -324,10 +324,6 @@ int user_context(unsigned long sp) return(stack != (unsigned long) current_thread); } -extern void remove_umid_dir(void); - -__uml_exitcall(remove_umid_dir); - extern exitcall_t __uml_exitcall_begin, __uml_exitcall_end; void do_uml_exitcalls(void) diff --git a/arch/um/kernel/sigio_user.c b/arch/um/kernel/sigio_user.c index 48b1f64..62e5cfd 100644 --- a/arch/um/kernel/sigio_user.c +++ b/arch/um/kernel/sigio_user.c @@ -216,6 +216,8 @@ static int write_sigio_thread(void *unused) "err = %d\n", -n); } } + + return 0; } static int need_poll(int n) diff --git a/arch/um/kernel/skas/clone.c b/arch/um/kernel/skas/clone.c index cb37ce9..47b812b 100644 --- a/arch/um/kernel/skas/clone.c +++ b/arch/um/kernel/skas/clone.c @@ -18,11 +18,10 @@ * on some systems. */ -#define STUB_DATA(field) (((struct stub_data *) UML_CONFIG_STUB_DATA)->field) - void __attribute__ ((__section__ (".__syscall_stub"))) stub_clone_handler(void) { + struct stub_data *data = (struct stub_data *) UML_CONFIG_STUB_DATA; long err; err = stub_syscall2(__NR_clone, CLONE_PARENT | CLONE_FILES | SIGCHLD, @@ -35,17 +34,21 @@ stub_clone_handler(void) if(err) goto out; - err = stub_syscall3(__NR_setitimer, ITIMER_VIRTUAL, - (long) &STUB_DATA(timer), 0); + err = stub_syscall3(__NR_setitimer, ITIMER_VIRTUAL, + (long) &data->timer, 0); if(err) goto out; - err = stub_syscall6(STUB_MMAP_NR, UML_CONFIG_STUB_DATA, - UM_KERN_PAGE_SIZE, PROT_READ | PROT_WRITE, - MAP_FIXED | MAP_SHARED, STUB_DATA(fd), - STUB_DATA(offset)); + remap_stack(data->fd, data->offset); + goto done; + out: - /* save current result. Parent: pid; child: retcode of mmap */ - STUB_DATA(err) = err; + /* save current result. + * Parent: pid; + * child: retcode of mmap already saved and it jumps around this + * assignment + */ + data->err = err; + done: trap_myself(); } diff --git a/arch/um/kernel/skas/include/uaccess-skas.h b/arch/um/kernel/skas/include/uaccess-skas.h index f611f83..64516c5 100644 --- a/arch/um/kernel/skas/include/uaccess-skas.h +++ b/arch/um/kernel/skas/include/uaccess-skas.h @@ -7,7 +7,6 @@ #define __SKAS_UACCESS_H #include "asm/errno.h" -#include "asm/fixmap.h" /* No SKAS-specific checking. */ #define access_ok_skas(type, addr, size) 0 diff --git a/arch/um/kernel/um_arch.c b/arch/um/kernel/um_arch.c index 142a949..26626b2b 100644 --- a/arch/um/kernel/um_arch.c +++ b/arch/um/kernel/um_arch.c @@ -146,8 +146,8 @@ void set_cmdline(char *cmd) if(CHOOSE_MODE(honeypot, 0)) return; - umid = get_umid(1); - if(umid != NULL){ + umid = get_umid(); + if(*umid != '\0'){ snprintf(argv1_begin, (argv1_end - argv1_begin) * sizeof(*ptr), "(%s) ", umid); diff --git a/arch/um/kernel/umid.c b/arch/um/kernel/umid.c index 0b21d59..4eaee82 100644 --- a/arch/um/kernel/umid.c +++ b/arch/um/kernel/umid.c @@ -3,61 +3,30 @@ * Licensed under the GPL */ -#include <stdio.h> -#include <unistd.h> -#include <errno.h> -#include <string.h> -#include <stdlib.h> -#include <dirent.h> -#include <signal.h> -#include <sys/stat.h> -#include <sys/param.h> -#include "user.h" -#include "umid.h" +#include "asm/errno.h" #include "init.h" #include "os.h" -#include "user_util.h" -#include "choose-mode.h" +#include "kern.h" +#include "linux/kernel.h" -#define UMID_LEN 64 -#define UML_DIR "~/.uml/" - -/* Changed by set_umid and make_umid, which are run early in boot */ -static char umid[UMID_LEN] = { 0 }; - -/* Changed by set_uml_dir and make_uml_dir, which are run early in boot */ -static char *uml_dir = UML_DIR; - -/* Changed by set_umid */ -static int umid_is_random = 1; +/* Changed by set_umid_arg */ static int umid_inited = 0; -/* Have we created the files? Should we remove them? */ -static int umid_owned = 0; -static int make_umid(int (*printer)(const char *fmt, ...)); - -static int __init set_umid(char *name, int is_random, - int (*printer)(const char *fmt, ...)) +static int __init set_umid_arg(char *name, int *add) { - if(umid_inited){ - (*printer)("Unique machine name can't be set twice\n"); - return(-1); - } + int err; - if(strlen(name) > UMID_LEN - 1) - (*printer)("Unique machine name is being truncated to %d " - "characters\n", UMID_LEN); - strlcpy(umid, name, sizeof(umid)); + if(umid_inited) + return 0; - umid_is_random = is_random; - umid_inited = 1; - return 0; -} - -static int __init set_umid_arg(char *name, int *add) -{ *add = 0; - return(set_umid(name, 0, printf)); + err = set_umid(name); + if(err == -EEXIST) + printf("umid '%s' already in use\n", name); + else if(!err) + umid_inited = 1; + + return 0; } __uml_setup("umid=", set_umid_arg, @@ -66,265 +35,3 @@ __uml_setup("umid=", set_umid_arg, " is used for naming the pid file and management console socket.\n\n" ); -int __init umid_file_name(char *name, char *buf, int len) -{ - int n; - - if(!umid_inited && make_umid(printk)) return(-1); - - n = strlen(uml_dir) + strlen(umid) + strlen(name) + 1; - if(n > len){ - printk("umid_file_name : buffer too short\n"); - return(-1); - } - - sprintf(buf, "%s%s/%s", uml_dir, umid, name); - return(0); -} - -extern int tracing_pid; - -static void __init create_pid_file(void) -{ - char file[strlen(uml_dir) + UMID_LEN + sizeof("/pid\0")]; - char pid[sizeof("nnnnn\0")]; - int fd, n; - - if(umid_file_name("pid", file, sizeof(file))) - return; - - fd = os_open_file(file, of_create(of_excl(of_rdwr(OPENFLAGS()))), - 0644); - if(fd < 0){ - printf("Open of machine pid file \"%s\" failed: %s\n", - file, strerror(-fd)); - return; - } - - sprintf(pid, "%d\n", os_getpid()); - n = os_write_file(fd, pid, strlen(pid)); - if(n != strlen(pid)) - printf("Write of pid file failed - err = %d\n", -n); - os_close_file(fd); -} - -static int actually_do_remove(char *dir) -{ - DIR *directory; - struct dirent *ent; - int len; - char file[256]; - - directory = opendir(dir); - if(directory == NULL){ - printk("actually_do_remove : couldn't open directory '%s', " - "errno = %d\n", dir, errno); - return(1); - } - while((ent = readdir(directory)) != NULL){ - if(!strcmp(ent->d_name, ".") || !strcmp(ent->d_name, "..")) - continue; - len = strlen(dir) + sizeof("/") + strlen(ent->d_name) + 1; - if(len > sizeof(file)){ - printk("Not deleting '%s' from '%s' - name too long\n", - ent->d_name, dir); - continue; - } - sprintf(file, "%s/%s", dir, ent->d_name); - if(unlink(file) < 0){ - printk("actually_do_remove : couldn't remove '%s' " - "from '%s', errno = %d\n", ent->d_name, dir, - errno); - return(1); - } - } - if(rmdir(dir) < 0){ - printk("actually_do_remove : couldn't rmdir '%s', " - "errno = %d\n", dir, errno); - return(1); - } - return(0); -} - -void remove_umid_dir(void) -{ - char dir[strlen(uml_dir) + UMID_LEN + 1]; - if (!umid_owned) - return; - - sprintf(dir, "%s%s", uml_dir, umid); - actually_do_remove(dir); -} - -char *get_umid(int only_if_set) -{ - if(only_if_set && umid_is_random) - return NULL; - return umid; -} - -static int not_dead_yet(char *dir) -{ - char file[strlen(uml_dir) + UMID_LEN + sizeof("/pid\0")]; - char pid[sizeof("nnnnn\0")], *end; - int dead, fd, p, n; - - sprintf(file, "%s/pid", dir); - dead = 0; - fd = os_open_file(file, of_read(OPENFLAGS()), 0); - if(fd < 0){ - if(fd != -ENOENT){ - printk("not_dead_yet : couldn't open pid file '%s', " - "err = %d\n", file, -fd); - return(1); - } - dead = 1; - } - if(fd > 0){ - n = os_read_file(fd, pid, sizeof(pid)); - if(n < 0){ - printk("not_dead_yet : couldn't read pid file '%s', " - "err = %d\n", file, -n); - return(1); - } - p = strtoul(pid, &end, 0); - if(end == pid){ - printk("not_dead_yet : couldn't parse pid file '%s', " - "errno = %d\n", file, errno); - dead = 1; - } - if(((kill(p, 0) < 0) && (errno == ESRCH)) || - (p == CHOOSE_MODE(tracing_pid, os_getpid()))) - dead = 1; - } - if(!dead) - return(1); - return(actually_do_remove(dir)); -} - -static int __init set_uml_dir(char *name, int *add) -{ - if((strlen(name) > 0) && (name[strlen(name) - 1] != '/')){ - uml_dir = malloc(strlen(name) + 2); - if(uml_dir == NULL){ - printf("Failed to malloc uml_dir - error = %d\n", - errno); - uml_dir = name; - /* Return 0 here because do_initcalls doesn't look at - * the return value. - */ - return(0); - } - sprintf(uml_dir, "%s/", name); - } - else uml_dir = name; - return(0); -} - -static int __init make_uml_dir(void) -{ - char dir[MAXPATHLEN + 1] = { '\0' }; - int len; - - if(*uml_dir == '~'){ - char *home = getenv("HOME"); - - if(home == NULL){ - printf("make_uml_dir : no value in environment for " - "$HOME\n"); - exit(1); - } - strlcpy(dir, home, sizeof(dir)); - uml_dir++; - } - strlcat(dir, uml_dir, sizeof(dir)); - len = strlen(dir); - if (len > 0 && dir[len - 1] != '/') - strlcat(dir, "/", sizeof(dir)); - - uml_dir = malloc(strlen(dir) + 1); - if (uml_dir == NULL) { - printf("make_uml_dir : malloc failed, errno = %d\n", errno); - exit(1); - } - strcpy(uml_dir, dir); - - if((mkdir(uml_dir, 0777) < 0) && (errno != EEXIST)){ - printf("Failed to mkdir %s: %s\n", uml_dir, strerror(errno)); - return(-1); - } - return 0; -} - -static int __init make_umid(int (*printer)(const char *fmt, ...)) -{ - int fd, err; - char tmp[strlen(uml_dir) + UMID_LEN + 1]; - - strlcpy(tmp, uml_dir, sizeof(tmp)); - - if(!umid_inited){ - strcat(tmp, "XXXXXX"); - fd = mkstemp(tmp); - if(fd < 0){ - (*printer)("make_umid - mkstemp(%s) failed: %s\n", - tmp,strerror(errno)); - return(1); - } - - os_close_file(fd); - /* There's a nice tiny little race between this unlink and - * the mkdir below. It'd be nice if there were a mkstemp - * for directories. - */ - unlink(tmp); - set_umid(&tmp[strlen(uml_dir)], 1, printer); - } - - sprintf(tmp, "%s%s", uml_dir, umid); - - err = mkdir(tmp, 0777); - if(err < 0){ - if(errno == EEXIST){ - if(not_dead_yet(tmp)){ - (*printer)("umid '%s' is in use\n", umid); - umid_owned = 0; - return(-1); - } - err = mkdir(tmp, 0777); - } - } - if(err < 0){ - (*printer)("Failed to create %s - errno = %d\n", umid, errno); - return(-1); - } - - umid_owned = 1; - return 0; -} - -__uml_setup("uml_dir=", set_uml_dir, -"uml_dir=<directory>\n" -" The location to place the pid and umid files.\n\n" -); - -static int __init make_umid_setup(void) -{ - /* one function with the ordering we need ... */ - make_uml_dir(); - make_umid(printf); - create_pid_file(); - return 0; -} -__uml_postsetup(make_umid_setup); - -/* - * Overrides for Emacs so that we follow Linus's tabbing style. - * Emacs will notice this stuff at the end of the file and automatically - * adjust the settings for this buffer only. This must remain at the end - * of the file. - * --------------------------------------------------------------------------- - * Local variables: - * c-file-style: "linux" - * End: - */ diff --git a/arch/um/os-Linux/Makefile b/arch/um/os-Linux/Makefile index b83ac8e..11e30b13 100644 --- a/arch/um/os-Linux/Makefile +++ b/arch/um/os-Linux/Makefile @@ -4,11 +4,11 @@ # obj-y = aio.o elf_aux.o file.o helper.o main.o mem.o process.o signal.o \ - start_up.o time.o tt.o tty.o uaccess.o user_syms.o drivers/ \ + start_up.o time.o tt.o tty.o uaccess.o umid.o user_syms.o drivers/ \ sys-$(SUBARCH)/ USER_OBJS := aio.o elf_aux.o file.o helper.o main.o mem.o process.o signal.o \ - start_up.o time.o tt.o tty.o uaccess.o + start_up.o time.o tt.o tty.o uaccess.o umid.o elf_aux.o: $(ARCH_DIR)/kernel-offsets.h CFLAGS_elf_aux.o += -I$(objtree)/arch/um diff --git a/arch/um/os-Linux/aio.c b/arch/um/os-Linux/aio.c index ffa759a..f897140 100644 --- a/arch/um/os-Linux/aio.c +++ b/arch/um/os-Linux/aio.c @@ -16,12 +16,12 @@ #include "mode.h" struct aio_thread_req { - enum aio_type type; - int io_fd; - unsigned long long offset; - char *buf; - int len; - struct aio_context *aio; + enum aio_type type; + int io_fd; + unsigned long long offset; + char *buf; + int len; + struct aio_context *aio; }; static int aio_req_fd_r = -1; @@ -38,18 +38,18 @@ static int aio_req_fd_w = -1; static long io_setup(int n, aio_context_t *ctxp) { - return syscall(__NR_io_setup, n, ctxp); + return syscall(__NR_io_setup, n, ctxp); } static long io_submit(aio_context_t ctx, long nr, struct iocb **iocbpp) { - return syscall(__NR_io_submit, ctx, nr, iocbpp); + return syscall(__NR_io_submit, ctx, nr, iocbpp); } static long io_getevents(aio_context_t ctx_id, long min_nr, long nr, - struct io_event *events, struct timespec *timeout) + struct io_event *events, struct timespec *timeout) { - return syscall(__NR_io_getevents, ctx_id, min_nr, nr, events, timeout); + return syscall(__NR_io_getevents, ctx_id, min_nr, nr, events, timeout); } #endif @@ -66,243 +66,245 @@ static long io_getevents(aio_context_t ctx_id, long min_nr, long nr, */ static int do_aio(aio_context_t ctx, enum aio_type type, int fd, char *buf, - int len, unsigned long long offset, struct aio_context *aio) + int len, unsigned long long offset, struct aio_context *aio) { - struct iocb iocb, *iocbp = &iocb; - char c; - int err; - - iocb = ((struct iocb) { .aio_data = (unsigned long) aio, - .aio_reqprio = 0, - .aio_fildes = fd, - .aio_buf = (unsigned long) buf, - .aio_nbytes = len, - .aio_offset = offset, - .aio_reserved1 = 0, - .aio_reserved2 = 0, - .aio_reserved3 = 0 }); - - switch(type){ - case AIO_READ: - iocb.aio_lio_opcode = IOCB_CMD_PREAD; - err = io_submit(ctx, 1, &iocbp); - break; - case AIO_WRITE: - iocb.aio_lio_opcode = IOCB_CMD_PWRITE; - err = io_submit(ctx, 1, &iocbp); - break; - case AIO_MMAP: - iocb.aio_lio_opcode = IOCB_CMD_PREAD; - iocb.aio_buf = (unsigned long) &c; - iocb.aio_nbytes = sizeof(c); - err = io_submit(ctx, 1, &iocbp); - break; - default: - printk("Bogus op in do_aio - %d\n", type); - err = -EINVAL; - break; - } - - if(err > 0) - err = 0; + struct iocb iocb, *iocbp = &iocb; + char c; + int err; + + iocb = ((struct iocb) { .aio_data = (unsigned long) aio, + .aio_reqprio = 0, + .aio_fildes = fd, + .aio_buf = (unsigned long) buf, + .aio_nbytes = len, + .aio_offset = offset, + .aio_reserved1 = 0, + .aio_reserved2 = 0, + .aio_reserved3 = 0 }); + + switch(type){ + case AIO_READ: + iocb.aio_lio_opcode = IOCB_CMD_PREAD; + err = io_submit(ctx, 1, &iocbp); + break; + case AIO_WRITE: + iocb.aio_lio_opcode = IOCB_CMD_PWRITE; + err = io_submit(ctx, 1, &iocbp); + break; + case AIO_MMAP: + iocb.aio_lio_opcode = IOCB_CMD_PREAD; + iocb.aio_buf = (unsigned long) &c; + iocb.aio_nbytes = sizeof(c); + err = io_submit(ctx, 1, &iocbp); + break; + default: + printk("Bogus op in do_aio - %d\n", type); + err = -EINVAL; + break; + } + + if(err > 0) + err = 0; else err = -errno; - return err; + return err; } static aio_context_t ctx = 0; static int aio_thread(void *arg) { - struct aio_thread_reply reply; - struct io_event event; - int err, n, reply_fd; - - signal(SIGWINCH, SIG_IGN); - - while(1){ - n = io_getevents(ctx, 1, 1, &event, NULL); - if(n < 0){ - if(errno == EINTR) - continue; - printk("aio_thread - io_getevents failed, " - "errno = %d\n", errno); - } - else { - reply = ((struct aio_thread_reply) - { .data = (void *) (long) event.data, - .err = event.res }); + struct aio_thread_reply reply; + struct io_event event; + int err, n, reply_fd; + + signal(SIGWINCH, SIG_IGN); + + while(1){ + n = io_getevents(ctx, 1, 1, &event, NULL); + if(n < 0){ + if(errno == EINTR) + continue; + printk("aio_thread - io_getevents failed, " + "errno = %d\n", errno); + } + else { + reply = ((struct aio_thread_reply) + { .data = (void *) (long) event.data, + .err = event.res }); reply_fd = ((struct aio_context *) reply.data)->reply_fd; err = os_write_file(reply_fd, &reply, sizeof(reply)); - if(err != sizeof(reply)) + if(err != sizeof(reply)) printk("aio_thread - write failed, fd = %d, " - "err = %d\n", aio_req_fd_r, -err); - } - } - return 0; + "err = %d\n", aio_req_fd_r, -err); + } + } + return 0; } #endif static int do_not_aio(struct aio_thread_req *req) { - char c; - int err; - - switch(req->type){ - case AIO_READ: - err = os_seek_file(req->io_fd, req->offset); - if(err) - goto out; - - err = os_read_file(req->io_fd, req->buf, req->len); - break; - case AIO_WRITE: - err = os_seek_file(req->io_fd, req->offset); - if(err) - goto out; - - err = os_write_file(req->io_fd, req->buf, req->len); - break; - case AIO_MMAP: - err = os_seek_file(req->io_fd, req->offset); - if(err) - goto out; - - err = os_read_file(req->io_fd, &c, sizeof(c)); - break; - default: - printk("do_not_aio - bad request type : %d\n", req->type); - err = -EINVAL; - break; - } - - out: - return err; + char c; + int err; + + switch(req->type){ + case AIO_READ: + err = os_seek_file(req->io_fd, req->offset); + if(err) + goto out; + + err = os_read_file(req->io_fd, req->buf, req->len); + break; + case AIO_WRITE: + err = os_seek_file(req->io_fd, req->offset); + if(err) + goto out; + + err = os_write_file(req->io_fd, req->buf, req->len); + break; + case AIO_MMAP: + err = os_seek_file(req->io_fd, req->offset); + if(err) + goto out; + + err = os_read_file(req->io_fd, &c, sizeof(c)); + break; + default: + printk("do_not_aio - bad request type : %d\n", req->type); + err = -EINVAL; + break; + } + +out: + return err; } static int not_aio_thread(void *arg) { - struct aio_thread_req req; - struct aio_thread_reply reply; - int err; - - signal(SIGWINCH, SIG_IGN); - while(1){ - err = os_read_file(aio_req_fd_r, &req, sizeof(req)); - if(err != sizeof(req)){ - if(err < 0) - printk("not_aio_thread - read failed, " - "fd = %d, err = %d\n", aio_req_fd_r, - -err); - else { - printk("not_aio_thread - short read, fd = %d, " - "length = %d\n", aio_req_fd_r, err); - } - continue; - } - err = do_not_aio(&req); - reply = ((struct aio_thread_reply) { .data = req.aio, - .err = err }); - err = os_write_file(req.aio->reply_fd, &reply, sizeof(reply)); - if(err != sizeof(reply)) - printk("not_aio_thread - write failed, fd = %d, " - "err = %d\n", aio_req_fd_r, -err); - } + struct aio_thread_req req; + struct aio_thread_reply reply; + int err; + + signal(SIGWINCH, SIG_IGN); + while(1){ + err = os_read_file(aio_req_fd_r, &req, sizeof(req)); + if(err != sizeof(req)){ + if(err < 0) + printk("not_aio_thread - read failed, " + "fd = %d, err = %d\n", aio_req_fd_r, + -err); + else { + printk("not_aio_thread - short read, fd = %d, " + "length = %d\n", aio_req_fd_r, err); + } + continue; + } + err = do_not_aio(&req); + reply = ((struct aio_thread_reply) { .data = req.aio, + .err = err }); + err = os_write_file(req.aio->reply_fd, &reply, sizeof(reply)); + if(err != sizeof(reply)) + printk("not_aio_thread - write failed, fd = %d, " + "err = %d\n", aio_req_fd_r, -err); + } + + return 0; } static int aio_pid = -1; static int init_aio_24(void) { - unsigned long stack; - int fds[2], err; - - err = os_pipe(fds, 1, 1); - if(err) - goto out; - - aio_req_fd_w = fds[0]; - aio_req_fd_r = fds[1]; - err = run_helper_thread(not_aio_thread, NULL, - CLONE_FILES | CLONE_VM | SIGCHLD, &stack, 0); - if(err < 0) - goto out_close_pipe; - - aio_pid = err; - goto out; - - out_close_pipe: - os_close_file(fds[0]); - os_close_file(fds[1]); - aio_req_fd_w = -1; - aio_req_fd_r = -1; - out: + unsigned long stack; + int fds[2], err; + + err = os_pipe(fds, 1, 1); + if(err) + goto out; + + aio_req_fd_w = fds[0]; + aio_req_fd_r = fds[1]; + err = run_helper_thread(not_aio_thread, NULL, + CLONE_FILES | CLONE_VM | SIGCHLD, &stack, 0); + if(err < 0) + goto out_close_pipe; + + aio_pid = err; + goto out; + +out_close_pipe: + os_close_file(fds[0]); + os_close_file(fds[1]); + aio_req_fd_w = -1; + aio_req_fd_r = -1; +out: #ifndef HAVE_AIO_ABI printk("/usr/include/linux/aio_abi.h not present during build\n"); #endif printk("2.6 host AIO support not used - falling back to I/O " "thread\n"); - return 0; + return 0; } #ifdef HAVE_AIO_ABI #define DEFAULT_24_AIO 0 static int init_aio_26(void) { - unsigned long stack; - int err; + unsigned long stack; + int err; - if(io_setup(256, &ctx)){ + if(io_setup(256, &ctx)){ err = -errno; - printk("aio_thread failed to initialize context, err = %d\n", - errno); - return err; - } + printk("aio_thread failed to initialize context, err = %d\n", + errno); + return err; + } - err = run_helper_thread(aio_thread, NULL, - CLONE_FILES | CLONE_VM | SIGCHLD, &stack, 0); - if(err < 0) - return err; + err = run_helper_thread(aio_thread, NULL, + CLONE_FILES | CLONE_VM | SIGCHLD, &stack, 0); + if(err < 0) + return err; - aio_pid = err; + aio_pid = err; printk("Using 2.6 host AIO\n"); - return 0; + return 0; } static int submit_aio_26(enum aio_type type, int io_fd, char *buf, int len, unsigned long long offset, struct aio_context *aio) { - struct aio_thread_reply reply; - int err; - - err = do_aio(ctx, type, io_fd, buf, len, offset, aio); - if(err){ - reply = ((struct aio_thread_reply) { .data = aio, - .err = err }); - err = os_write_file(aio->reply_fd, &reply, sizeof(reply)); - if(err != sizeof(reply)) - printk("submit_aio_26 - write failed, " - "fd = %d, err = %d\n", aio->reply_fd, -err); - else err = 0; - } - - return err; + struct aio_thread_reply reply; + int err; + + err = do_aio(ctx, type, io_fd, buf, len, offset, aio); + if(err){ + reply = ((struct aio_thread_reply) { .data = aio, + .err = err }); + err = os_write_file(aio->reply_fd, &reply, sizeof(reply)); + if(err != sizeof(reply)) + printk("submit_aio_26 - write failed, " + "fd = %d, err = %d\n", aio->reply_fd, -err); + else err = 0; + } + + return err; } #else #define DEFAULT_24_AIO 1 static int init_aio_26(void) { - return -ENOSYS; + return -ENOSYS; } static int submit_aio_26(enum aio_type type, int io_fd, char *buf, int len, unsigned long long offset, struct aio_context *aio) { - return -ENOSYS; + return -ENOSYS; } #endif @@ -310,8 +312,8 @@ static int aio_24 = DEFAULT_24_AIO; static int __init set_aio_24(char *name, int *add) { - aio_24 = 1; - return 0; + aio_24 = 1; + return 0; } __uml_setup("aio=2.4", set_aio_24, @@ -328,28 +330,27 @@ __uml_setup("aio=2.4", set_aio_24, static int init_aio(void) { - int err; - - CHOOSE_MODE(({ - if(!aio_24){ - printk("Disabling 2.6 AIO in tt mode\n"); - aio_24 = 1; - } }), (void) 0); - - if(!aio_24){ - err = init_aio_26(); - if(err && (errno == ENOSYS)){ - printk("2.6 AIO not supported on the host - " - "reverting to 2.4 AIO\n"); - aio_24 = 1; - } - else return err; - } - - if(aio_24) - return init_aio_24(); - - return 0; + int err; + + CHOOSE_MODE(({ if(!aio_24){ + printk("Disabling 2.6 AIO in tt mode\n"); + aio_24 = 1; + } }), (void) 0); + + if(!aio_24){ + err = init_aio_26(); + if(err && (errno == ENOSYS)){ + printk("2.6 AIO not supported on the host - " + "reverting to 2.4 AIO\n"); + aio_24 = 1; + } + else return err; + } + + if(aio_24) + return init_aio_24(); + + return 0; } /* The reason for the __initcall/__uml_exitcall asymmetry is that init_aio @@ -362,8 +363,8 @@ __initcall(init_aio); static void exit_aio(void) { - if(aio_pid != -1) - os_kill_process(aio_pid, 1); + if(aio_pid != -1) + os_kill_process(aio_pid, 1); } __uml_exitcall(exit_aio); @@ -371,30 +372,30 @@ __uml_exitcall(exit_aio); static int submit_aio_24(enum aio_type type, int io_fd, char *buf, int len, unsigned long long offset, struct aio_context *aio) { - struct aio_thread_req req = { .type = type, - .io_fd = io_fd, - .offset = offset, - .buf = buf, - .len = len, - .aio = aio, - }; - int err; - - err = os_write_file(aio_req_fd_w, &req, sizeof(req)); - if(err == sizeof(req)) - err = 0; - - return err; + struct aio_thread_req req = { .type = type, + .io_fd = io_fd, + .offset = offset, + .buf = buf, + .len = len, + .aio = aio, + }; + int err; + + err = os_write_file(aio_req_fd_w, &req, sizeof(req)); + if(err == sizeof(req)) + err = 0; + + return err; } int submit_aio(enum aio_type type, int io_fd, char *buf, int len, - unsigned long long offset, int reply_fd, - struct aio_context *aio) + unsigned long long offset, int reply_fd, + struct aio_context *aio) { - aio->reply_fd = reply_fd; - if(aio_24) - return submit_aio_24(type, io_fd, buf, len, offset, aio); - else { - return submit_aio_26(type, io_fd, buf, len, offset, aio); - } + aio->reply_fd = reply_fd; + if(aio_24) + return submit_aio_24(type, io_fd, buf, len, offset, aio); + else { + return submit_aio_26(type, io_fd, buf, len, offset, aio); + } } diff --git a/arch/um/os-Linux/start_up.c b/arch/um/os-Linux/start_up.c index 37517d4..29a9e3f 100644 --- a/arch/um/os-Linux/start_up.c +++ b/arch/um/os-Linux/start_up.c @@ -116,16 +116,16 @@ static int stop_ptraced_child(int pid, void *stack, int exitcode, if(!WIFEXITED(status) || (WEXITSTATUS(status) != exitcode)) { int exit_with = WEXITSTATUS(status); if (exit_with == 2) - printk("check_ptrace : child exited with status 2. " + printf("check_ptrace : child exited with status 2. " "Serious trouble happening! Try updating your " "host skas patch!\nDisabling SYSEMU support."); - printk("check_ptrace : child exited with exitcode %d, while " + printf("check_ptrace : child exited with exitcode %d, while " "expecting %d; status 0x%x", exit_with, exitcode, status); if (mustpanic) panic("\n"); else - printk("\n"); + printf("\n"); ret = -1; } @@ -183,7 +183,7 @@ static void __init check_sysemu(void) void *stack; int pid, n, status, count=0; - printk("Checking syscall emulation patch for ptrace..."); + printf("Checking syscall emulation patch for ptrace..."); sysemu_supported = 0; pid = start_ptraced_child(&stack); @@ -207,10 +207,10 @@ static void __init check_sysemu(void) goto fail_stopped; sysemu_supported = 1; - printk("OK\n"); + printf("OK\n"); set_using_sysemu(!force_sysemu_disabled); - printk("Checking advanced syscall emulation patch for ptrace..."); + printf("Checking advanced syscall emulation patch for ptrace..."); pid = start_ptraced_child(&stack); if(ptrace(PTRACE_OLDSETOPTIONS, pid, 0, @@ -246,7 +246,7 @@ static void __init check_sysemu(void) goto fail_stopped; sysemu_supported = 2; - printk("OK\n"); + printf("OK\n"); if ( !force_sysemu_disabled ) set_using_sysemu(sysemu_supported); @@ -255,7 +255,7 @@ static void __init check_sysemu(void) fail: stop_ptraced_child(pid, stack, 1, 0); fail_stopped: - printk("missing\n"); + printf("missing\n"); } static void __init check_ptrace(void) @@ -263,7 +263,7 @@ static void __init check_ptrace(void) void *stack; int pid, syscall, n, status; - printk("Checking that ptrace can change system call numbers..."); + printf("Checking that ptrace can change system call numbers..."); pid = start_ptraced_child(&stack); if(ptrace(PTRACE_OLDSETOPTIONS, pid, 0, (void *)PTRACE_O_TRACESYSGOOD) < 0) @@ -292,7 +292,7 @@ static void __init check_ptrace(void) } } stop_ptraced_child(pid, stack, 0, 1); - printk("OK\n"); + printf("OK\n"); check_sysemu(); } @@ -472,6 +472,8 @@ int can_do_skas(void) int have_devanon = 0; +/* Runs on boot kernel stack - already safe to use printk. */ + void check_devanon(void) { int fd; diff --git a/arch/um/os-Linux/umid.c b/arch/um/os-Linux/umid.c new file mode 100644 index 0000000..ecf107a --- /dev/null +++ b/arch/um/os-Linux/umid.c @@ -0,0 +1,335 @@ +#include <stdio.h> +#include <unistd.h> +#include <stdlib.h> +#include <string.h> +#include <errno.h> +#include <signal.h> +#include <dirent.h> +#include <sys/fcntl.h> +#include <sys/stat.h> +#include <sys/param.h> +#include "init.h" +#include "os.h" +#include "user.h" +#include "mode.h" + +#define UML_DIR "~/.uml/" + +#define UMID_LEN 64 + +/* Changed by set_umid, which is run early in boot */ +char umid[UMID_LEN] = { 0 }; + +/* Changed by set_uml_dir and make_uml_dir, which are run early in boot */ +static char *uml_dir = UML_DIR; + +static int __init make_uml_dir(void) +{ + char dir[512] = { '\0' }; + int len, err; + + if(*uml_dir == '~'){ + char *home = getenv("HOME"); + + err = -ENOENT; + if(home == NULL){ + printk("make_uml_dir : no value in environment for " + "$HOME\n"); + goto err; + } + strlcpy(dir, home, sizeof(dir)); + uml_dir++; + } + strlcat(dir, uml_dir, sizeof(dir)); + len = strlen(dir); + if (len > 0 && dir[len - 1] != '/') + strlcat(dir, "/", sizeof(dir)); + + err = -ENOMEM; + uml_dir = malloc(strlen(dir) + 1); + if (uml_dir == NULL) { + printf("make_uml_dir : malloc failed, errno = %d\n", errno); + goto err; + } + strcpy(uml_dir, dir); + + if((mkdir(uml_dir, 0777) < 0) && (errno != EEXIST)){ + printf("Failed to mkdir '%s': %s\n", uml_dir, strerror(errno)); + err = -errno; + goto err_free; + } + return 0; + +err_free: + free(uml_dir); +err: + uml_dir = NULL; + return err; +} + +static int actually_do_remove(char *dir) +{ + DIR *directory; + struct dirent *ent; + int len; + char file[256]; + + directory = opendir(dir); + if(directory == NULL) + return -errno; + + while((ent = readdir(directory)) != NULL){ + if(!strcmp(ent->d_name, ".") || !strcmp(ent->d_name, "..")) + continue; + len = strlen(dir) + sizeof("/") + strlen(ent->d_name) + 1; + if(len > sizeof(file)) + return -E2BIG; + + sprintf(file, "%s/%s", dir, ent->d_name); + if(unlink(file) < 0) + return -errno; + } + if(rmdir(dir) < 0) + return -errno; + + return 0; +} + +/* This says that there isn't already a user of the specified directory even if + * there are errors during the checking. This is because if these errors + * happen, the directory is unusable by the pre-existing UML, so we might as + * well take it over. This could happen either by + * the existing UML somehow corrupting its umid directory + * something other than UML sticking stuff in the directory + * this boot racing with a shutdown of the other UML + * In any of these cases, the directory isn't useful for anything else. + */ + +static int not_dead_yet(char *dir) +{ + char file[strlen(uml_dir) + UMID_LEN + sizeof("/pid\0")]; + char pid[sizeof("nnnnn\0")], *end; + int dead, fd, p, n, err; + + n = snprintf(file, sizeof(file), "%s/pid", dir); + if(n >= sizeof(file)){ + printk("not_dead_yet - pid filename too long\n"); + err = -E2BIG; + goto out; + } + + dead = 0; + fd = open(file, O_RDONLY); + if(fd < 0){ + if(fd != -ENOENT){ + printk("not_dead_yet : couldn't open pid file '%s', " + "err = %d\n", file, -fd); + } + goto out; + } + + err = 0; + n = read(fd, pid, sizeof(pid)); + if(n <= 0){ + printk("not_dead_yet : couldn't read pid file '%s', " + "err = %d\n", file, -n); + goto out_close; + } + + p = strtoul(pid, &end, 0); + if(end == pid){ + printk("not_dead_yet : couldn't parse pid file '%s', " + "errno = %d\n", file, errno); + goto out_close; + } + + if((kill(p, 0) == 0) || (errno != ESRCH)) + return 1; + + err = actually_do_remove(dir); + if(err) + printk("not_dead_yet - actually_do_remove failed with " + "err = %d\n", err); + + return err; + + out_close: + close(fd); + out: + return 0; +} + +static void __init create_pid_file(void) +{ + char file[strlen(uml_dir) + UMID_LEN + sizeof("/pid\0")]; + char pid[sizeof("nnnnn\0")]; + int fd, n; + + if(umid_file_name("pid", file, sizeof(file))) + return; + + fd = open(file, O_RDWR | O_CREAT | O_EXCL, 0644); + if(fd < 0){ + printk("Open of machine pid file \"%s\" failed: %s\n", + file, strerror(-fd)); + return; + } + + snprintf(pid, sizeof(pid), "%d\n", getpid()); + n = write(fd, pid, strlen(pid)); + if(n != strlen(pid)) + printk("Write of pid file failed - err = %d\n", -n); + + close(fd); +} + +int __init set_umid(char *name) +{ + if(strlen(name) > UMID_LEN - 1) + return -E2BIG; + + strlcpy(umid, name, sizeof(umid)); + + return 0; +} + +static int umid_setup = 0; + +int __init make_umid(void) +{ + int fd, err; + char tmp[256]; + + if(umid_setup) + return 0; + + make_uml_dir(); + + if(*umid == '\0'){ + strlcpy(tmp, uml_dir, sizeof(tmp)); + strlcat(tmp, "XXXXXX", sizeof(tmp)); + fd = mkstemp(tmp); + if(fd < 0){ + printk("make_umid - mkstemp(%s) failed: %s\n", + tmp, strerror(errno)); + err = -errno; + goto err; + } + + close(fd); + + set_umid(&tmp[strlen(uml_dir)]); + + /* There's a nice tiny little race between this unlink and + * the mkdir below. It'd be nice if there were a mkstemp + * for directories. + */ + if(unlink(tmp)){ + err = -errno; + goto err; + } + } + + snprintf(tmp, sizeof(tmp), "%s%s", uml_dir, umid); + err = mkdir(tmp, 0777); + if(err < 0){ + err = -errno; + if(errno != EEXIST) + goto err; + + if(not_dead_yet(tmp) < 0) + goto err; + + err = mkdir(tmp, 0777); + } + if(err < 0){ + printk("Failed to create '%s' - err = %d\n", umid, err); + goto err_rmdir; + } + + umid_setup = 1; + + create_pid_file(); + + return 0; + + err_rmdir: + rmdir(tmp); + err: + return err; +} + +static int __init make_umid_init(void) +{ + make_umid(); + + return 0; +} + +__initcall(make_umid_init); + +int __init umid_file_name(char *name, char *buf, int len) +{ + int n, err; + + err = make_umid(); + if(err) + return err; + + n = snprintf(buf, len, "%s%s/%s", uml_dir, umid, name); + if(n >= len){ + printk("umid_file_name : buffer too short\n"); + return -E2BIG; + } + + return 0; +} + +char *get_umid(void) +{ + return umid; +} + +static int __init set_uml_dir(char *name, int *add) +{ + if(*name == '\0'){ + printf("uml_dir can't be an empty string\n"); + return 0; + } + + if(name[strlen(name) - 1] == '/'){ + uml_dir = name; + return 0; + } + + uml_dir = malloc(strlen(name) + 2); + if(uml_dir == NULL){ + printf("Failed to malloc uml_dir - error = %d\n", errno); + + /* Return 0 here because do_initcalls doesn't look at + * the return value. + */ + return 0; + } + sprintf(uml_dir, "%s/", name); + + return 0; +} + +__uml_setup("uml_dir=", set_uml_dir, +"uml_dir=<directory>\n" +" The location to place the pid and umid files.\n\n" +); + +static void remove_umid_dir(void) +{ + char dir[strlen(uml_dir) + UMID_LEN + 1], err; + + sprintf(dir, "%s%s", uml_dir, umid); + err = actually_do_remove(dir); + if(err) + printf("remove_umid_dir - actually_do_remove failed with " + "err = %d\n", err); +} + +__uml_exitcall(remove_umid_dir); diff --git a/arch/um/os-Linux/user_syms.c b/arch/um/os-Linux/user_syms.c index 56d3f87..8da6ab3 100644 --- a/arch/um/os-Linux/user_syms.c +++ b/arch/um/os-Linux/user_syms.c @@ -34,6 +34,11 @@ EXPORT_SYMBOL(strstr); int sym(void); \ EXPORT_SYMBOL(sym); +extern void readdir64(void) __attribute__((weak)); +EXPORT_SYMBOL(readdir64); +extern void truncate64(void) __attribute__((weak)); +EXPORT_SYMBOL(truncate64); + #ifdef SUBARCH_i386 EXPORT_SYMBOL(vsyscall_ehdr); EXPORT_SYMBOL(vsyscall_end); diff --git a/arch/um/scripts/Makefile.rules b/arch/um/scripts/Makefile.rules index b3fbf12..2e41cab 100644 --- a/arch/um/scripts/Makefile.rules +++ b/arch/um/scripts/Makefile.rules @@ -21,11 +21,6 @@ define unprofile endef -# The stubs and unmap.o can't try to call mcount or update basic block data -define unprofile - $(patsubst -pg,,$(patsubst -fprofile-arcs -ftest-coverage,,$(1))) -endef - # cmd_make_link checks to see if the $(foo-dir) variable starts with a /. If # so, it's considered to be a path relative to $(srcdir) rather than # $(srcdir)/arch/$(SUBARCH). This is because x86_64 wants to get ldt.c from diff --git a/arch/um/sys-i386/Makefile b/arch/um/sys-i386/Makefile index 150059d..f5fd5b0 100644 --- a/arch/um/sys-i386/Makefile +++ b/arch/um/sys-i386/Makefile @@ -1,6 +1,8 @@ -obj-y = bitops.o bugs.o checksum.o delay.o fault.o ksyms.o ldt.o ptrace.o \ - ptrace_user.o semaphore.o signal.o sigcontext.o stub.o stub_segv.o \ - syscalls.o sysrq.o sys_call_table.o +obj-y := bitops.o bugs.o checksum.o delay.o fault.o ksyms.o ldt.o ptrace.o \ + ptrace_user.o semaphore.o signal.o sigcontext.o syscalls.o sysrq.o \ + sys_call_table.o + +obj-$(CONFIG_MODE_SKAS) += stub.o stub_segv.o obj-$(CONFIG_HIGHMEM) += highmem.o obj-$(CONFIG_MODULES) += module.o diff --git a/arch/um/sys-x86_64/Makefile b/arch/um/sys-x86_64/Makefile index 00b2025..a351091 100644 --- a/arch/um/sys-x86_64/Makefile +++ b/arch/um/sys-x86_64/Makefile @@ -6,8 +6,9 @@ #XXX: why into lib-y? lib-y = bitops.o bugs.o csum-partial.o delay.o fault.o ldt.o mem.o memcpy.o \ - ptrace.o ptrace_user.o sigcontext.o signal.o stub.o \ - stub_segv.o syscalls.o syscall_table.o sysrq.o thunk.o + ptrace.o ptrace_user.o sigcontext.o signal.o syscalls.o \ + syscall_table.o sysrq.o thunk.o +lib-$(CONFIG_MODE_SKAS) += stub.o stub_segv.o obj-y := ksyms.o obj-$(CONFIG_MODULES) += module.o um_module.o diff --git a/arch/x86_64/Kconfig.debug b/arch/x86_64/Kconfig.debug index e2c6e64a..fcb06a5 100644 --- a/arch/x86_64/Kconfig.debug +++ b/arch/x86_64/Kconfig.debug @@ -9,6 +9,16 @@ config INIT_DEBUG Fill __init and __initdata at the end of boot. This helps debugging illegal uses of __init and __initdata after initialization. +config DEBUG_RODATA + bool "Write protect kernel read-only data structures" + depends on DEBUG_KERNEL + help + Mark the kernel read-only data as write-protected in the pagetables, + in order to catch accidental (and incorrect) writes to such const data. + This option may have a slight performance impact because a portion + of the kernel code won't be covered by a 2MB TLB anymore. + If in doubt, say "N". + config IOMMU_DEBUG depends on GART_IOMMU && DEBUG_KERNEL bool "Enable IOMMU debugging" diff --git a/arch/x86_64/boot/.gitignore b/arch/x86_64/boot/.gitignore new file mode 100644 index 0000000..495f20c --- /dev/null +++ b/arch/x86_64/boot/.gitignore @@ -0,0 +1,3 @@ +bootsect +bzImage +setup diff --git a/arch/x86_64/boot/tools/.gitignore b/arch/x86_64/boot/tools/.gitignore new file mode 100644 index 0000000..378eac2 --- /dev/null +++ b/arch/x86_64/boot/tools/.gitignore @@ -0,0 +1 @@ +build diff --git a/arch/x86_64/ia32/ia32_binfmt.c b/arch/x86_64/ia32/ia32_binfmt.c index 830feb2..2b760d0 100644 --- a/arch/x86_64/ia32/ia32_binfmt.c +++ b/arch/x86_64/ia32/ia32_binfmt.c @@ -217,8 +217,7 @@ elf_core_copy_task_fpregs(struct task_struct *tsk, struct pt_regs *regs, elf_fpr if (!tsk_used_math(tsk)) return 0; if (!regs) - regs = (struct pt_regs *)tsk->thread.rsp0; - --regs; + regs = ((struct pt_regs *)tsk->thread.rsp0) - 1; if (tsk == current) unlazy_fpu(tsk); set_fs(KERNEL_DS); diff --git a/arch/x86_64/ia32/ia32entry.S b/arch/x86_64/ia32/ia32entry.S index e0eb0c7..df0773c 100644 --- a/arch/x86_64/ia32/ia32entry.S +++ b/arch/x86_64/ia32/ia32entry.S @@ -341,7 +341,7 @@ ENTRY(ia32_ptregs_common) jmp ia32_sysret /* misbalances the return cache */ CFI_ENDPROC - .data + .section .rodata,"a" .align 8 .globl ia32_sys_call_table ia32_sys_call_table: diff --git a/arch/x86_64/kernel/kprobes.c b/arch/x86_64/kernel/kprobes.c index dddeb67..afe11f4 100644 --- a/arch/x86_64/kernel/kprobes.c +++ b/arch/x86_64/kernel/kprobes.c @@ -329,7 +329,7 @@ int __kprobes kprobe_handler(struct pt_regs *regs) */ save_previous_kprobe(kcb); set_current_kprobe(p, regs, kcb); - p->nmissed++; + kprobes_inc_nmissed_count(p); prepare_singlestep(p, regs); kcb->kprobe_status = KPROBE_REENTER; return 1; diff --git a/arch/x86_64/kernel/process.c b/arch/x86_64/kernel/process.c index 7519fc5..3060ed9 100644 --- a/arch/x86_64/kernel/process.c +++ b/arch/x86_64/kernel/process.c @@ -157,7 +157,7 @@ EXPORT_SYMBOL_GPL(cpu_idle_wait); DECLARE_PER_CPU(int, cpu_state); #include <asm/nmi.h> -/* We don't actually take CPU down, just spin without interrupts. */ +/* We halt the CPU with physical CPU hotplug */ static inline void play_dead(void) { idle_task_exit(); @@ -166,8 +166,9 @@ static inline void play_dead(void) /* Ack it */ __get_cpu_var(cpu_state) = CPU_DEAD; + local_irq_disable(); while (1) - safe_halt(); + halt(); } #else static inline void play_dead(void) diff --git a/arch/x86_64/kernel/setup.c b/arch/x86_64/kernel/setup.c index 750e01d..64c4534 100644 --- a/arch/x86_64/kernel/setup.c +++ b/arch/x86_64/kernel/setup.c @@ -42,6 +42,7 @@ #include <linux/edd.h> #include <linux/mmzone.h> #include <linux/kexec.h> +#include <linux/cpufreq.h> #include <asm/mtrr.h> #include <asm/uaccess.h> @@ -1256,8 +1257,11 @@ static int show_cpuinfo(struct seq_file *m, void *v) seq_printf(m, "stepping\t: unknown\n"); if (cpu_has(c,X86_FEATURE_TSC)) { + unsigned int freq = cpufreq_quick_get((unsigned)(c-cpu_data)); + if (!freq) + freq = cpu_khz; seq_printf(m, "cpu MHz\t\t: %u.%03u\n", - cpu_khz / 1000, (cpu_khz % 1000)); + freq / 1000, (freq % 1000)); } /* Cache size */ diff --git a/arch/x86_64/kernel/smpboot.c b/arch/x86_64/kernel/smpboot.c index 683c33f..ecbd7b8 100644 --- a/arch/x86_64/kernel/smpboot.c +++ b/arch/x86_64/kernel/smpboot.c @@ -1181,7 +1181,7 @@ int __cpu_disable(void) if (cpu == 0) return -EBUSY; - disable_APIC_timer(); + clear_local_APIC(); /* * HACK: diff --git a/arch/x86_64/kernel/syscall.c b/arch/x86_64/kernel/syscall.c index e263685..7c176b3 100644 --- a/arch/x86_64/kernel/syscall.c +++ b/arch/x86_64/kernel/syscall.c @@ -19,7 +19,7 @@ typedef void (*sys_call_ptr_t)(void); extern void sys_ni_syscall(void); -sys_call_ptr_t sys_call_table[__NR_syscall_max+1] __cacheline_aligned = { +const sys_call_ptr_t sys_call_table[__NR_syscall_max+1] = { /* Smells like a like a compiler bug -- it doesn't work when the & below is removed. */ [0 ... __NR_syscall_max] = &sys_ni_syscall, #include <asm-x86_64/unistd.h> diff --git a/arch/x86_64/kernel/time.c b/arch/x86_64/kernel/time.c index fdaddc4..7410279 100644 --- a/arch/x86_64/kernel/time.c +++ b/arch/x86_64/kernel/time.c @@ -59,7 +59,7 @@ static int notsc __initdata = 0; unsigned int cpu_khz; /* TSC clocks / usec, not used here */ static unsigned long hpet_period; /* fsecs / HPET clock */ unsigned long hpet_tick; /* HPET clocks / interrupt */ -static int hpet_use_timer; +static int hpet_use_timer; /* Use counter of hpet for time keeping, otherwise PIT */ unsigned long vxtime_hz = PIT_TICK_RATE; int report_lost_ticks; /* command line option */ unsigned long long monotonic_base; @@ -908,12 +908,14 @@ void __init time_init(void) if (!hpet_init()) vxtime_hz = (1000000000000000L + hpet_period / 2) / hpet_period; + else + vxtime.hpet_address = 0; if (hpet_use_timer) { cpu_khz = hpet_calibrate_tsc(); timename = "HPET"; #ifdef CONFIG_X86_PM_TIMER - } else if (pmtmr_ioport) { + } else if (pmtmr_ioport && !vxtime.hpet_address) { vxtime_hz = PM_TIMER_FREQUENCY; timename = "PM"; pit_init(); diff --git a/arch/x86_64/mm/init.c b/arch/x86_64/mm/init.c index 286f6a6..1faae5f 100644 --- a/arch/x86_64/mm/init.c +++ b/arch/x86_64/mm/init.c @@ -348,7 +348,7 @@ size_zones(unsigned long *z, unsigned long *h, } /* Compute holes */ - w = 0; + w = start_pfn; for (i = 0; i < MAX_NR_ZONES; i++) { unsigned long s = w; w += z[i]; @@ -498,6 +498,29 @@ void free_initmem(void) printk ("Freeing unused kernel memory: %luk freed\n", (__init_end - __init_begin) >> 10); } +#ifdef CONFIG_DEBUG_RODATA + +extern char __start_rodata, __end_rodata; +void mark_rodata_ro(void) +{ + unsigned long addr = (unsigned long)&__start_rodata; + + for (; addr < (unsigned long)&__end_rodata; addr += PAGE_SIZE) + change_page_attr_addr(addr, 1, PAGE_KERNEL_RO); + + printk ("Write protecting the kernel read-only data: %luk\n", + (&__end_rodata - &__start_rodata) >> 10); + + /* + * change_page_attr_addr() requires a global_flush_tlb() call after it. + * We do this after the printk so that if something went wrong in the + * change, the printk gets out at least to give a better debug hint + * of who is the culprit. + */ + global_flush_tlb(); +} +#endif + #ifdef CONFIG_BLK_DEV_INITRD void free_initrd_mem(unsigned long start, unsigned long end) { diff --git a/arch/x86_64/mm/ioremap.c b/arch/x86_64/mm/ioremap.c index ecf7acb..ae20706 100644 --- a/arch/x86_64/mm/ioremap.c +++ b/arch/x86_64/mm/ioremap.c @@ -247,9 +247,15 @@ void __iomem *ioremap_nocache (unsigned long phys_addr, unsigned long size) return __ioremap(phys_addr, size, _PAGE_PCD); } +/** + * iounmap - Free a IO remapping + * @addr: virtual address from ioremap_* + * + * Caller must ensure there is only one unmapping for the same pointer. + */ void iounmap(volatile void __iomem *addr) { - struct vm_struct *p; + struct vm_struct *p, *o; if (addr <= high_memory) return; @@ -257,12 +263,31 @@ void iounmap(volatile void __iomem *addr) addr < phys_to_virt(ISA_END_ADDRESS)) return; - write_lock(&vmlist_lock); - p = __remove_vm_area((void *)((unsigned long)addr & PAGE_MASK)); - if (!p) + addr = (volatile void __iomem *)(PAGE_MASK & (unsigned long __force)addr); + /* Use the vm area unlocked, assuming the caller + ensures there isn't another iounmap for the same address + in parallel. Reuse of the virtual address is prevented by + leaving it in the global lists until we're done with it. + cpa takes care of the direct mappings. */ + read_lock(&vmlist_lock); + for (p = vmlist; p; p = p->next) { + if (p->addr == addr) + break; + } + read_unlock(&vmlist_lock); + + if (!p) { printk("iounmap: bad address %p\n", addr); - else if (p->flags >> 20) + dump_stack(); + return; + } + + /* Reset the direct mapping. Can block */ + if (p->flags >> 20) ioremap_change_attr(p->phys_addr, p->size, 0); - write_unlock(&vmlist_lock); + + /* Finally remove it */ + o = remove_vm_area((void *)addr); + BUG_ON(p != o || o == NULL); kfree(p); } diff --git a/arch/x86_64/mm/numa.c b/arch/x86_64/mm/numa.c index a828a01..15b67d2 100644 --- a/arch/x86_64/mm/numa.c +++ b/arch/x86_64/mm/numa.c @@ -53,6 +53,8 @@ static int __init populate_memnodemap( int res = -1; unsigned long addr, end; + if (shift >= 64) + return -1; memset(memnodemap, 0xff, sizeof(memnodemap)); for (i = 0; i < numnodes; i++) { addr = nodes[i].start; @@ -65,7 +67,7 @@ static int __init populate_memnodemap( if (memnodemap[addr >> shift] != 0xff) return -1; memnodemap[addr >> shift] = i; - addr += (1 << shift); + addr += (1UL << shift); } while (addr < end); res = 1; } diff --git a/arch/x86_64/mm/pageattr.c b/arch/x86_64/mm/pageattr.c index b90e8fe..35f1f1a 100644 --- a/arch/x86_64/mm/pageattr.c +++ b/arch/x86_64/mm/pageattr.c @@ -128,6 +128,7 @@ __change_page_attr(unsigned long address, unsigned long pfn, pgprot_t prot, pte_t *kpte; struct page *kpte_page; unsigned kpte_flags; + pgprot_t ref_prot2; kpte = lookup_address(address); if (!kpte) return 0; kpte_page = virt_to_page(((unsigned long)kpte) & PAGE_MASK); @@ -140,10 +141,14 @@ __change_page_attr(unsigned long address, unsigned long pfn, pgprot_t prot, * split_large_page will take the reference for this change_page_attr * on the split page. */ - struct page *split = split_large_page(address, prot, ref_prot); + + struct page *split; + ref_prot2 = __pgprot(pgprot_val(pte_pgprot(*lookup_address(address))) & ~(1<<_PAGE_BIT_PSE)); + + split = split_large_page(address, prot, ref_prot2); if (!split) return -ENOMEM; - set_pte(kpte,mk_pte(split, ref_prot)); + set_pte(kpte,mk_pte(split, ref_prot2)); kpte_page = split; } get_page(kpte_page); diff --git a/arch/x86_64/pci/Makefile b/arch/x86_64/pci/Makefile index bb34e5e..a8f75a2 100644 --- a/arch/x86_64/pci/Makefile +++ b/arch/x86_64/pci/Makefile @@ -11,7 +11,7 @@ obj-y += fixup.o obj-$(CONFIG_ACPI) += acpi.o obj-y += legacy.o irq.o common.o # mmconfig has a 64bit special -obj-$(CONFIG_PCI_MMCONFIG) += mmconfig.o +obj-$(CONFIG_PCI_MMCONFIG) += mmconfig.o direct.o obj-$(CONFIG_NUMA) += k8-bus.o diff --git a/arch/x86_64/pci/mmconfig.c b/arch/x86_64/pci/mmconfig.c index a0838c4..f16c0d5 100644 --- a/arch/x86_64/pci/mmconfig.c +++ b/arch/x86_64/pci/mmconfig.c @@ -8,18 +8,21 @@ #include <linux/pci.h> #include <linux/init.h> #include <linux/acpi.h> +#include <linux/bitmap.h> #include "pci.h" #define MMCONFIG_APER_SIZE (256*1024*1024) +static DECLARE_BITMAP(fallback_slots, 32); + /* Static virtual mapping of the MMCONFIG aperture */ struct mmcfg_virt { struct acpi_table_mcfg_config *cfg; - char *virt; + char __iomem *virt; }; static struct mmcfg_virt *pci_mmcfg_virt; -static char *get_virt(unsigned int seg, int bus) +static char __iomem *get_virt(unsigned int seg, unsigned bus) { int cfg_num = -1; struct acpi_table_mcfg_config *cfg; @@ -27,10 +30,9 @@ static char *get_virt(unsigned int seg, int bus) while (1) { ++cfg_num; if (cfg_num >= pci_mmcfg_config_num) { - /* something bad is going on, no cfg table is found. */ - /* so we fall back to the old way we used to do this */ - /* and just rely on the first entry to be correct. */ - return pci_mmcfg_virt[0].virt; + /* Not found - fall back to type 1. This happens + e.g. on the internal devices of a K8 northbridge. */ + return NULL; } cfg = pci_mmcfg_virt[cfg_num].cfg; if (cfg->pci_segment_group_number != seg) @@ -41,20 +43,30 @@ static char *get_virt(unsigned int seg, int bus) } } -static inline char *pci_dev_base(unsigned int seg, unsigned int bus, unsigned int devfn) +static char __iomem *pci_dev_base(unsigned int seg, unsigned int bus, unsigned int devfn) { - - return get_virt(seg, bus) + ((bus << 20) | (devfn << 12)); + char __iomem *addr; + if (seg == 0 && bus == 0 && test_bit(PCI_SLOT(devfn), &fallback_slots)) + return NULL; + addr = get_virt(seg, bus); + if (!addr) + return NULL; + return addr + ((bus << 20) | (devfn << 12)); } static int pci_mmcfg_read(unsigned int seg, unsigned int bus, unsigned int devfn, int reg, int len, u32 *value) { - char *addr = pci_dev_base(seg, bus, devfn); + char __iomem *addr; + /* Why do we have this when nobody checks it. How about a BUG()!? -AK */ if (unlikely(!value || (bus > 255) || (devfn > 255) || (reg > 4095))) return -EINVAL; + addr = pci_dev_base(seg, bus, devfn); + if (!addr) + return pci_conf1_read(seg,bus,devfn,reg,len,value); + switch (len) { case 1: *value = readb(addr + reg); @@ -73,11 +85,16 @@ static int pci_mmcfg_read(unsigned int seg, unsigned int bus, static int pci_mmcfg_write(unsigned int seg, unsigned int bus, unsigned int devfn, int reg, int len, u32 value) { - char *addr = pci_dev_base(seg, bus, devfn); + char __iomem *addr; + /* Why do we have this when nobody checks it. How about a BUG()!? -AK */ if (unlikely((bus > 255) || (devfn > 255) || (reg > 4095))) return -EINVAL; + addr = pci_dev_base(seg, bus, devfn); + if (!addr) + return pci_conf1_write(seg,bus,devfn,reg,len,value); + switch (len) { case 1: writeb(value, addr + reg); @@ -98,6 +115,30 @@ static struct pci_raw_ops pci_mmcfg = { .write = pci_mmcfg_write, }; +/* K8 systems have some devices (typically in the builtin northbridge) + that are only accessible using type1 + Normally this can be expressed in the MCFG by not listing them + and assigning suitable _SEGs, but this isn't implemented in some BIOS. + Instead try to discover all devices on bus 0 that are unreachable using MM + and fallback for them. + We only do this for bus 0/seg 0 */ +static __init void unreachable_devices(void) +{ + int i; + for (i = 0; i < 32; i++) { + u32 val1; + char __iomem *addr; + + pci_conf1_read(0, 0, PCI_DEVFN(i,0), 0, 4, &val1); + if (val1 == 0xffffffff) + continue; + addr = pci_dev_base(0, 0, PCI_DEVFN(i, 0)); + if (addr == NULL|| readl(addr) != val1) { + set_bit(i, &fallback_slots); + } + } +} + static int __init pci_mmcfg_init(void) { int i; @@ -128,6 +169,8 @@ static int __init pci_mmcfg_init(void) printk(KERN_INFO "PCI: Using MMCONFIG at %x\n", pci_mmcfg_config[i].base_address); } + unreachable_devices(); + raw_pci_ops = &pci_mmcfg; pci_probe = (pci_probe & ~PCI_PROBE_MASK) | PCI_PROBE_MMCONF; |
