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authorGrant Likely <grant.likely@secretlab.ca>2010-01-28 14:38:25 -0700
committerGrant Likely <grant.likely@secretlab.ca>2010-01-28 14:38:25 -0700
commit0ada0a73120c28cc432bcdbac061781465c2f48f (patch)
treed17cadd4ea47e25d9e48e7d409a39c84268fbd27 /arch/sparc
parent6016a363f6b56b46b24655bcfc0499b715851cf3 (diff)
parent92dcffb916d309aa01778bf8963a6932e4014d07 (diff)
downloadop-kernel-dev-0ada0a73120c28cc432bcdbac061781465c2f48f.zip
op-kernel-dev-0ada0a73120c28cc432bcdbac061781465c2f48f.tar.gz
Merge commit 'v2.6.33-rc5' into secretlab/test-devicetree
Diffstat (limited to 'arch/sparc')
-rw-r--r--arch/sparc/Kconfig8
-rw-r--r--arch/sparc/Kconfig.debug14
-rw-r--r--arch/sparc/Makefile2
-rw-r--r--arch/sparc/include/asm/asm-offsets.h1
-rw-r--r--arch/sparc/include/asm/btext.h6
-rw-r--r--arch/sparc/include/asm/cacheflush_32.h1
-rw-r--r--arch/sparc/include/asm/cacheflush_64.h1
-rw-r--r--arch/sparc/include/asm/elf_32.h2
-rw-r--r--arch/sparc/include/asm/elf_64.h1
-rw-r--r--arch/sparc/include/asm/fcntl.h19
-rw-r--r--arch/sparc/include/asm/leon.h45
-rw-r--r--arch/sparc/include/asm/pci_64.h2
-rw-r--r--arch/sparc/include/asm/rwsem.h4
-rw-r--r--arch/sparc/include/asm/smp_32.h9
-rw-r--r--arch/sparc/include/asm/socket.h2
-rw-r--r--arch/sparc/include/asm/spinlock_32.h62
-rw-r--r--arch/sparc/include/asm/spinlock_64.h54
-rw-r--r--arch/sparc/include/asm/spinlock_types.h8
-rw-r--r--arch/sparc/include/asm/string_32.h78
-rw-r--r--arch/sparc/include/asm/string_64.h25
-rw-r--r--arch/sparc/include/asm/thread_info_64.h2
-rw-r--r--arch/sparc/include/asm/uaccess_32.h15
-rw-r--r--arch/sparc/include/asm/uaccess_64.h23
-rw-r--r--arch/sparc/include/asm/unistd.h3
-rw-r--r--arch/sparc/kernel/Makefile3
-rw-r--r--arch/sparc/kernel/apc.c37
-rw-r--r--arch/sparc/kernel/auxio_32.c1
-rw-r--r--arch/sparc/kernel/btext.c673
-rw-r--r--arch/sparc/kernel/cpu.c11
-rw-r--r--arch/sparc/kernel/entry.S35
-rw-r--r--arch/sparc/kernel/ftrace.c11
-rw-r--r--arch/sparc/kernel/head_32.S22
-rw-r--r--arch/sparc/kernel/iommu.c3
-rw-r--r--arch/sparc/kernel/ioport.c5
-rw-r--r--arch/sparc/kernel/irq_64.c16
-rw-r--r--arch/sparc/kernel/kprobes.c3
-rw-r--r--arch/sparc/kernel/ldc.c20
-rw-r--r--arch/sparc/kernel/leon_kernel.c84
-rw-r--r--arch/sparc/kernel/leon_smp.c468
-rw-r--r--arch/sparc/kernel/mdesc.c21
-rw-r--r--arch/sparc/kernel/nmi.c11
-rw-r--r--arch/sparc/kernel/of_device_64.c14
-rw-r--r--arch/sparc/kernel/pci.c8
-rw-r--r--arch/sparc/kernel/pci_msi.c2
-rw-r--r--arch/sparc/kernel/perf_event.c11
-rw-r--r--arch/sparc/kernel/ptrace_64.c10
-rw-r--r--arch/sparc/kernel/setup_64.c6
-rw-r--r--arch/sparc/kernel/smp_32.c10
-rw-r--r--arch/sparc/kernel/sparc_ksyms_64.c12
-rw-r--r--arch/sparc/kernel/sys_sparc32.c84
-rw-r--r--arch/sparc/kernel/sys_sparc_32.c64
-rw-r--r--arch/sparc/kernel/sys_sparc_64.c50
-rw-r--r--arch/sparc/kernel/syscalls.S14
-rw-r--r--arch/sparc/kernel/systbls.h1
-rw-r--r--arch/sparc/kernel/systbls_32.S6
-rw-r--r--arch/sparc/kernel/systbls_64.S10
-rw-r--r--arch/sparc/kernel/time_32.c3
-rw-r--r--arch/sparc/kernel/time_64.c26
-rw-r--r--arch/sparc/kernel/trampoline_32.S69
-rw-r--r--arch/sparc/kernel/unaligned_32.c15
-rw-r--r--arch/sparc/kernel/unaligned_64.c23
-rw-r--r--arch/sparc/kernel/visemul.c3
-rw-r--r--arch/sparc/lib/Makefile1
-rw-r--r--arch/sparc/lib/bzero.S5
-rw-r--r--arch/sparc/lib/checksum_32.S2
-rw-r--r--arch/sparc/lib/ksyms.c2
-rw-r--r--arch/sparc/lib/mcount.S5
-rw-r--r--arch/sparc/lib/memcpy.S3
-rw-r--r--arch/sparc/lib/memset.S3
-rw-r--r--arch/sparc/lib/usercopy.c8
-rw-r--r--arch/sparc/math-emu/math_32.c3
-rw-r--r--arch/sparc/math-emu/math_64.c2
-rw-r--r--arch/sparc/mm/fault_64.c24
-rw-r--r--arch/sparc/mm/init_64.h2
-rw-r--r--arch/sparc/mm/srmmu.c9
-rw-r--r--arch/sparc/mm/sun4c.c17
76 files changed, 1773 insertions, 565 deletions
diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig
index 05ef538..108197a 100644
--- a/arch/sparc/Kconfig
+++ b/arch/sparc/Kconfig
@@ -43,6 +43,7 @@ config SPARC64
select HAVE_SYSCALL_WRAPPERS
select HAVE_DYNAMIC_FTRACE
select HAVE_FTRACE_MCOUNT_RECORD
+ select HAVE_SYSCALL_TRACEPOINTS
select USE_GENERIC_SMP_HELPERS if SMP
select RTC_DRV_CMOS
select RTC_DRV_BQ4802
@@ -221,6 +222,13 @@ config SPARC64_SMP
default y
depends on SPARC64 && SMP
+config EARLYFB
+ bool "Support for early boot text console"
+ default y
+ depends on SPARC64
+ help
+ Say Y here to enable a faster early framebuffer boot console.
+
choice
prompt "Kernel page size" if SPARC64
default SPARC64_PAGE_SIZE_8KB
diff --git a/arch/sparc/Kconfig.debug b/arch/sparc/Kconfig.debug
index 90d5fe2..9d3c889 100644
--- a/arch/sparc/Kconfig.debug
+++ b/arch/sparc/Kconfig.debug
@@ -33,4 +33,18 @@ config FRAME_POINTER
depends on MCOUNT
default y
+config DEBUG_STRICT_USER_COPY_CHECKS
+ bool "Strict copy size checks"
+ depends on DEBUG_KERNEL && !TRACE_BRANCH_PROFILING
+ ---help---
+ Enabling this option turns a certain set of sanity checks for user
+ copy operations into compile time failures.
+
+ The copy_from_user() etc checks are there to help test if there
+ are sufficient security checks on the length argument of
+ the copy operation, by having gcc prove that the argument is
+ within bounds.
+
+ If unsure, or if you run an older (pre 4.4) gcc, say N.
+
endmenu
diff --git a/arch/sparc/Makefile b/arch/sparc/Makefile
index dfe272d..113225b 100644
--- a/arch/sparc/Makefile
+++ b/arch/sparc/Makefile
@@ -27,6 +27,7 @@ AS := $(AS) -32
LDFLAGS := -m elf32_sparc
CHECKFLAGS += -D__sparc__
export BITS := 32
+UTS_MACHINE := sparc
#KBUILD_CFLAGS += -g -pipe -fcall-used-g5 -fcall-used-g7
KBUILD_CFLAGS += -m32 -pipe -mno-fpu -fcall-used-g5 -fcall-used-g7
@@ -46,6 +47,7 @@ CHECKFLAGS += -D__sparc__ -D__sparc_v9__ -D__arch64__ -m64
LDFLAGS := -m elf64_sparc
export BITS := 64
+UTS_MACHINE := sparc64
KBUILD_CFLAGS += -m64 -pipe -mno-fpu -mcpu=ultrasparc -mcmodel=medlow \
-ffixed-g4 -ffixed-g5 -fcall-used-g7 -Wno-sign-compare \
diff --git a/arch/sparc/include/asm/asm-offsets.h b/arch/sparc/include/asm/asm-offsets.h
new file mode 100644
index 0000000..d370ee3
--- /dev/null
+++ b/arch/sparc/include/asm/asm-offsets.h
@@ -0,0 +1 @@
+#include <generated/asm-offsets.h>
diff --git a/arch/sparc/include/asm/btext.h b/arch/sparc/include/asm/btext.h
new file mode 100644
index 0000000..9b2bc6b
--- /dev/null
+++ b/arch/sparc/include/asm/btext.h
@@ -0,0 +1,6 @@
+#ifndef _SPARC_BTEXT_H
+#define _SPARC_BTEXT_H
+
+extern int btext_find_display(void);
+
+#endif /* _SPARC_BTEXT_H */
diff --git a/arch/sparc/include/asm/cacheflush_32.h b/arch/sparc/include/asm/cacheflush_32.h
index 68ac109..2e46877 100644
--- a/arch/sparc/include/asm/cacheflush_32.h
+++ b/arch/sparc/include/asm/cacheflush_32.h
@@ -75,6 +75,7 @@ BTFIXUPDEF_CALL(void, flush_sig_insns, struct mm_struct *, unsigned long)
extern void sparc_flush_page_to_ram(struct page *page);
+#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 1
#define flush_dcache_page(page) sparc_flush_page_to_ram(page)
#define flush_dcache_mmap_lock(mapping) do { } while (0)
#define flush_dcache_mmap_unlock(mapping) do { } while (0)
diff --git a/arch/sparc/include/asm/cacheflush_64.h b/arch/sparc/include/asm/cacheflush_64.h
index c433217..b953840 100644
--- a/arch/sparc/include/asm/cacheflush_64.h
+++ b/arch/sparc/include/asm/cacheflush_64.h
@@ -37,6 +37,7 @@ extern void flush_dcache_page_all(struct mm_struct *mm, struct page *page);
#endif
extern void __flush_dcache_range(unsigned long start, unsigned long end);
+#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 1
extern void flush_dcache_page(struct page *page);
#define flush_icache_page(vma, pg) do { } while(0)
diff --git a/arch/sparc/include/asm/elf_32.h b/arch/sparc/include/asm/elf_32.h
index 381a1b5..4269ca6 100644
--- a/arch/sparc/include/asm/elf_32.h
+++ b/arch/sparc/include/asm/elf_32.h
@@ -104,8 +104,6 @@ typedef struct {
#define ELF_CLASS ELFCLASS32
#define ELF_DATA ELFDATA2MSB
-#define USE_ELF_CORE_DUMP
-
#define ELF_EXEC_PAGESIZE 4096
diff --git a/arch/sparc/include/asm/elf_64.h b/arch/sparc/include/asm/elf_64.h
index d42e393..ff66bb8 100644
--- a/arch/sparc/include/asm/elf_64.h
+++ b/arch/sparc/include/asm/elf_64.h
@@ -152,7 +152,6 @@ typedef struct {
(x)->e_machine == EM_SPARC32PLUS)
#define compat_start_thread start_thread32
-#define USE_ELF_CORE_DUMP
#define ELF_EXEC_PAGESIZE PAGE_SIZE
/* This is the location that an ET_DYN program is loaded if exec'ed. Typical
diff --git a/arch/sparc/include/asm/fcntl.h b/arch/sparc/include/asm/fcntl.h
index d4d9c9d..38f37b33 100644
--- a/arch/sparc/include/asm/fcntl.h
+++ b/arch/sparc/include/asm/fcntl.h
@@ -1,14 +1,12 @@
#ifndef _SPARC_FCNTL_H
#define _SPARC_FCNTL_H
-/* open/fcntl - O_SYNC is only implemented on blocks devices and on files
- located on an ext2 file system */
#define O_APPEND 0x0008
#define FASYNC 0x0040 /* fcntl, for BSD compatibility */
#define O_CREAT 0x0200 /* not fcntl */
#define O_TRUNC 0x0400 /* not fcntl */
#define O_EXCL 0x0800 /* not fcntl */
-#define O_SYNC 0x2000
+#define O_DSYNC 0x2000 /* used to be O_SYNC, see below */
#define O_NONBLOCK 0x4000
#if defined(__sparc__) && defined(__arch64__)
#define O_NDELAY 0x0004
@@ -20,6 +18,21 @@
#define O_DIRECT 0x100000 /* direct disk access hint */
#define O_NOATIME 0x200000
#define O_CLOEXEC 0x400000
+/*
+ * Before Linux 2.6.33 only O_DSYNC semantics were implemented, but using
+ * the O_SYNC flag. We continue to use the existing numerical value
+ * for O_DSYNC semantics now, but using the correct symbolic name for it.
+ * This new value is used to request true Posix O_SYNC semantics. It is
+ * defined in this strange way to make sure applications compiled against
+ * new headers get at least O_DSYNC semantics on older kernels.
+ *
+ * This has the nice side-effect that we can simply test for O_DSYNC
+ * wherever we do not care if O_DSYNC or O_SYNC is used.
+ *
+ * Note: __O_SYNC must never be used directly.
+ */
+#define __O_SYNC 0x800000
+#define O_SYNC (__O_SYNC|O_DSYNC)
#define F_GETOWN 5 /* for sockets. */
#define F_SETOWN 6 /* for sockets. */
diff --git a/arch/sparc/include/asm/leon.h b/arch/sparc/include/asm/leon.h
index 28a42b7..3ea5964 100644
--- a/arch/sparc/include/asm/leon.h
+++ b/arch/sparc/include/asm/leon.h
@@ -148,7 +148,7 @@ static inline unsigned long leon_load_reg(unsigned long paddr)
return retval;
}
-extern inline void leon_srmmu_disabletlb(void)
+static inline void leon_srmmu_disabletlb(void)
{
unsigned int retval;
__asm__ __volatile__("lda [%%g0] %2, %0\n\t" : "=r"(retval) : "r"(0),
@@ -158,7 +158,7 @@ extern inline void leon_srmmu_disabletlb(void)
"i"(ASI_LEON_MMUREGS) : "memory");
}
-extern inline void leon_srmmu_enabletlb(void)
+static inline void leon_srmmu_enabletlb(void)
{
unsigned int retval;
__asm__ __volatile__("lda [%%g0] %2, %0\n\t" : "=r"(retval) : "r"(0),
@@ -190,7 +190,7 @@ extern void leon_init_IRQ(void);
extern unsigned long last_valid_pfn;
-extern inline unsigned long sparc_leon3_get_dcachecfg(void)
+static inline unsigned long sparc_leon3_get_dcachecfg(void)
{
unsigned int retval;
__asm__ __volatile__("lda [%1] %2, %0\n\t" :
@@ -201,7 +201,7 @@ extern inline unsigned long sparc_leon3_get_dcachecfg(void)
}
/* enable snooping */
-extern inline void sparc_leon3_enable_snooping(void)
+static inline void sparc_leon3_enable_snooping(void)
{
__asm__ __volatile__ ("lda [%%g0] 2, %%l1\n\t"
"set 0x800000, %%l2\n\t"
@@ -209,7 +209,14 @@ extern inline void sparc_leon3_enable_snooping(void)
"sta %%l2, [%%g0] 2\n\t" : : : "l1", "l2");
};
-extern inline void sparc_leon3_disable_cache(void)
+static inline int sparc_leon3_snooping_enabled(void)
+{
+ u32 cctrl;
+ __asm__ __volatile__("lda [%%g0] 2, %0\n\t" : "=r"(cctrl));
+ return (cctrl >> 23) & 1;
+};
+
+static inline void sparc_leon3_disable_cache(void)
{
__asm__ __volatile__ ("lda [%%g0] 2, %%l1\n\t"
"set 0x00000f, %%l2\n\t"
@@ -340,6 +347,30 @@ extern int leon_flush_needed(void);
extern void leon_switch_mm(void);
extern int srmmu_swprobe_trace;
+#ifdef CONFIG_SMP
+extern int leon_smp_nrcpus(void);
+extern void leon_clear_profile_irq(int cpu);
+extern void leon_smp_done(void);
+extern void leon_boot_cpus(void);
+extern int leon_boot_one_cpu(int i);
+void leon_init_smp(void);
+extern void cpu_probe(void);
+extern void cpu_idle(void);
+extern void init_IRQ(void);
+extern void cpu_panic(void);
+extern int __leon_processor_id(void);
+void leon_enable_irq_cpu(unsigned int irq_nr, unsigned int cpu);
+
+extern unsigned int real_irq_entry[], smpleon_ticker[];
+extern unsigned int patchme_maybe_smp_msg[];
+extern unsigned long trapbase_cpu1[];
+extern unsigned long trapbase_cpu2[];
+extern unsigned long trapbase_cpu3[];
+extern unsigned int t_nmi[], linux_trap_ipi15_leon[];
+extern unsigned int linux_trap_ipi15_sun4m[];
+
+#endif /* CONFIG_SMP */
+
#endif /* __KERNEL__ */
#endif /* __ASSEMBLY__ */
@@ -356,6 +387,10 @@ extern int srmmu_swprobe_trace;
#define leon_switch_mm() do {} while (0)
#define leon_init_IRQ() do {} while (0)
#define init_leon() do {} while (0)
+#define leon_smp_done() do {} while (0)
+#define leon_boot_cpus() do {} while (0)
+#define leon_boot_one_cpu(i) 1
+#define leon_init_smp() do {} while (0)
#endif /* !defined(CONFIG_SPARC_LEON) */
diff --git a/arch/sparc/include/asm/pci_64.h b/arch/sparc/include/asm/pci_64.h
index b63e51c..b0576df 100644
--- a/arch/sparc/include/asm/pci_64.h
+++ b/arch/sparc/include/asm/pci_64.h
@@ -16,8 +16,6 @@
#define PCI_IRQ_NONE 0xffffffff
-#define PCI_CACHE_LINE_BYTES 64
-
static inline void pcibios_set_master(struct pci_dev *dev)
{
/* No special bus mastering setup handling */
diff --git a/arch/sparc/include/asm/rwsem.h b/arch/sparc/include/asm/rwsem.h
index 1dc129a..6e56210 100644
--- a/arch/sparc/include/asm/rwsem.h
+++ b/arch/sparc/include/asm/rwsem.h
@@ -35,8 +35,8 @@ struct rw_semaphore {
#endif
#define __RWSEM_INITIALIZER(name) \
-{ RWSEM_UNLOCKED_VALUE, SPIN_LOCK_UNLOCKED, LIST_HEAD_INIT((name).wait_list) \
- __RWSEM_DEP_MAP_INIT(name) }
+{ RWSEM_UNLOCKED_VALUE, __SPIN_LOCK_UNLOCKED((name).wait_lock), \
+ LIST_HEAD_INIT((name).wait_list) __RWSEM_DEP_MAP_INIT(name) }
#define DECLARE_RWSEM(name) \
struct rw_semaphore name = __RWSEM_INITIALIZER(name)
diff --git a/arch/sparc/include/asm/smp_32.h b/arch/sparc/include/asm/smp_32.h
index 58101dc..841905c 100644
--- a/arch/sparc/include/asm/smp_32.h
+++ b/arch/sparc/include/asm/smp_32.h
@@ -106,6 +106,15 @@ static inline int hard_smp4d_processor_id(void)
return cpuid;
}
+extern inline int hard_smpleon_processor_id(void)
+{
+ int cpuid;
+ __asm__ __volatile__("rd %%asr17,%0\n\t"
+ "srl %0,28,%0" :
+ "=&r" (cpuid) : );
+ return cpuid;
+}
+
#ifndef MODULE
static inline int hard_smp_processor_id(void)
{
diff --git a/arch/sparc/include/asm/socket.h b/arch/sparc/include/asm/socket.h
index 3a5ae3d..9d3fefc 100644
--- a/arch/sparc/include/asm/socket.h
+++ b/arch/sparc/include/asm/socket.h
@@ -56,6 +56,8 @@
#define SO_TIMESTAMPING 0x0023
#define SCM_TIMESTAMPING SO_TIMESTAMPING
+#define SO_RXQ_OVFL 0x0024
+
/* Security levels - as per NRL IPv6 - don't actually do anything */
#define SO_SECURITY_AUTHENTICATION 0x5001
#define SO_SECURITY_ENCRYPTION_TRANSPORT 0x5002
diff --git a/arch/sparc/include/asm/spinlock_32.h b/arch/sparc/include/asm/spinlock_32.h
index 857630c..7f9b9db 100644
--- a/arch/sparc/include/asm/spinlock_32.h
+++ b/arch/sparc/include/asm/spinlock_32.h
@@ -10,12 +10,12 @@
#include <asm/psr.h>
-#define __raw_spin_is_locked(lock) (*((volatile unsigned char *)(lock)) != 0)
+#define arch_spin_is_locked(lock) (*((volatile unsigned char *)(lock)) != 0)
-#define __raw_spin_unlock_wait(lock) \
- do { while (__raw_spin_is_locked(lock)) cpu_relax(); } while (0)
+#define arch_spin_unlock_wait(lock) \
+ do { while (arch_spin_is_locked(lock)) cpu_relax(); } while (0)
-static inline void __raw_spin_lock(raw_spinlock_t *lock)
+static inline void arch_spin_lock(arch_spinlock_t *lock)
{
__asm__ __volatile__(
"\n1:\n\t"
@@ -35,7 +35,7 @@ static inline void __raw_spin_lock(raw_spinlock_t *lock)
: "g2", "memory", "cc");
}
-static inline int __raw_spin_trylock(raw_spinlock_t *lock)
+static inline int arch_spin_trylock(arch_spinlock_t *lock)
{
unsigned int result;
__asm__ __volatile__("ldstub [%1], %0"
@@ -45,7 +45,7 @@ static inline int __raw_spin_trylock(raw_spinlock_t *lock)
return (result == 0);
}
-static inline void __raw_spin_unlock(raw_spinlock_t *lock)
+static inline void arch_spin_unlock(arch_spinlock_t *lock)
{
__asm__ __volatile__("stb %%g0, [%0]" : : "r" (lock) : "memory");
}
@@ -65,7 +65,7 @@ static inline void __raw_spin_unlock(raw_spinlock_t *lock)
* Sort of like atomic_t's on Sparc, but even more clever.
*
* ------------------------------------
- * | 24-bit counter | wlock | raw_rwlock_t
+ * | 24-bit counter | wlock | arch_rwlock_t
* ------------------------------------
* 31 8 7 0
*
@@ -76,9 +76,9 @@ static inline void __raw_spin_unlock(raw_spinlock_t *lock)
*
* Unfortunately this scheme limits us to ~16,000,000 cpus.
*/
-static inline void arch_read_lock(raw_rwlock_t *rw)
+static inline void __arch_read_lock(arch_rwlock_t *rw)
{
- register raw_rwlock_t *lp asm("g1");
+ register arch_rwlock_t *lp asm("g1");
lp = rw;
__asm__ __volatile__(
"mov %%o7, %%g4\n\t"
@@ -89,16 +89,16 @@ static inline void arch_read_lock(raw_rwlock_t *rw)
: "g2", "g4", "memory", "cc");
}
-#define __raw_read_lock(lock) \
+#define arch_read_lock(lock) \
do { unsigned long flags; \
local_irq_save(flags); \
- arch_read_lock(lock); \
+ __arch_read_lock(lock); \
local_irq_restore(flags); \
} while(0)
-static inline void arch_read_unlock(raw_rwlock_t *rw)
+static inline void __arch_read_unlock(arch_rwlock_t *rw)
{
- register raw_rwlock_t *lp asm("g1");
+ register arch_rwlock_t *lp asm("g1");
lp = rw;
__asm__ __volatile__(
"mov %%o7, %%g4\n\t"
@@ -109,16 +109,16 @@ static inline void arch_read_unlock(raw_rwlock_t *rw)
: "g2", "g4", "memory", "cc");
}
-#define __raw_read_unlock(lock) \
+#define arch_read_unlock(lock) \
do { unsigned long flags; \
local_irq_save(flags); \
- arch_read_unlock(lock); \
+ __arch_read_unlock(lock); \
local_irq_restore(flags); \
} while(0)
-static inline void __raw_write_lock(raw_rwlock_t *rw)
+static inline void arch_write_lock(arch_rwlock_t *rw)
{
- register raw_rwlock_t *lp asm("g1");
+ register arch_rwlock_t *lp asm("g1");
lp = rw;
__asm__ __volatile__(
"mov %%o7, %%g4\n\t"
@@ -130,7 +130,7 @@ static inline void __raw_write_lock(raw_rwlock_t *rw)
*(volatile __u32 *)&lp->lock = ~0U;
}
-static inline int __raw_write_trylock(raw_rwlock_t *rw)
+static inline int arch_write_trylock(arch_rwlock_t *rw)
{
unsigned int val;
@@ -150,9 +150,9 @@ static inline int __raw_write_trylock(raw_rwlock_t *rw)
return (val == 0);
}
-static inline int arch_read_trylock(raw_rwlock_t *rw)
+static inline int __arch_read_trylock(arch_rwlock_t *rw)
{
- register raw_rwlock_t *lp asm("g1");
+ register arch_rwlock_t *lp asm("g1");
register int res asm("o0");
lp = rw;
__asm__ __volatile__(
@@ -165,27 +165,27 @@ static inline int arch_read_trylock(raw_rwlock_t *rw)
return res;
}
-#define __raw_read_trylock(lock) \
+#define arch_read_trylock(lock) \
({ unsigned long flags; \
int res; \
local_irq_save(flags); \
- res = arch_read_trylock(lock); \
+ res = __arch_read_trylock(lock); \
local_irq_restore(flags); \
res; \
})
-#define __raw_write_unlock(rw) do { (rw)->lock = 0; } while(0)
+#define arch_write_unlock(rw) do { (rw)->lock = 0; } while(0)
-#define __raw_spin_lock_flags(lock, flags) __raw_spin_lock(lock)
-#define __raw_read_lock_flags(rw, flags) __raw_read_lock(rw)
-#define __raw_write_lock_flags(rw, flags) __raw_write_lock(rw)
+#define arch_spin_lock_flags(lock, flags) arch_spin_lock(lock)
+#define arch_read_lock_flags(rw, flags) arch_read_lock(rw)
+#define arch_write_lock_flags(rw, flags) arch_write_lock(rw)
-#define _raw_spin_relax(lock) cpu_relax()
-#define _raw_read_relax(lock) cpu_relax()
-#define _raw_write_relax(lock) cpu_relax()
+#define arch_spin_relax(lock) cpu_relax()
+#define arch_read_relax(lock) cpu_relax()
+#define arch_write_relax(lock) cpu_relax()
-#define __raw_read_can_lock(rw) (!((rw)->lock & 0xff))
-#define __raw_write_can_lock(rw) (!(rw)->lock)
+#define arch_read_can_lock(rw) (!((rw)->lock & 0xff))
+#define arch_write_can_lock(rw) (!(rw)->lock)
#endif /* !(__ASSEMBLY__) */
diff --git a/arch/sparc/include/asm/spinlock_64.h b/arch/sparc/include/asm/spinlock_64.h
index 43e5147..073936a 100644
--- a/arch/sparc/include/asm/spinlock_64.h
+++ b/arch/sparc/include/asm/spinlock_64.h
@@ -21,13 +21,13 @@
* the spinner sections must be pre-V9 branches.
*/
-#define __raw_spin_is_locked(lp) ((lp)->lock != 0)
+#define arch_spin_is_locked(lp) ((lp)->lock != 0)
-#define __raw_spin_unlock_wait(lp) \
+#define arch_spin_unlock_wait(lp) \
do { rmb(); \
} while((lp)->lock)
-static inline void __raw_spin_lock(raw_spinlock_t *lock)
+static inline void arch_spin_lock(arch_spinlock_t *lock)
{
unsigned long tmp;
@@ -46,7 +46,7 @@ static inline void __raw_spin_lock(raw_spinlock_t *lock)
: "memory");
}
-static inline int __raw_spin_trylock(raw_spinlock_t *lock)
+static inline int arch_spin_trylock(arch_spinlock_t *lock)
{
unsigned long result;
@@ -59,7 +59,7 @@ static inline int __raw_spin_trylock(raw_spinlock_t *lock)
return (result == 0UL);
}
-static inline void __raw_spin_unlock(raw_spinlock_t *lock)
+static inline void arch_spin_unlock(arch_spinlock_t *lock)
{
__asm__ __volatile__(
" stb %%g0, [%0]"
@@ -68,7 +68,7 @@ static inline void __raw_spin_unlock(raw_spinlock_t *lock)
: "memory");
}
-static inline void __raw_spin_lock_flags(raw_spinlock_t *lock, unsigned long flags)
+static inline void arch_spin_lock_flags(arch_spinlock_t *lock, unsigned long flags)
{
unsigned long tmp1, tmp2;
@@ -92,7 +92,7 @@ static inline void __raw_spin_lock_flags(raw_spinlock_t *lock, unsigned long fla
/* Multi-reader locks, these are much saner than the 32-bit Sparc ones... */
-static void inline arch_read_lock(raw_rwlock_t *lock)
+static void inline arch_read_lock(arch_rwlock_t *lock)
{
unsigned long tmp1, tmp2;
@@ -115,7 +115,7 @@ static void inline arch_read_lock(raw_rwlock_t *lock)
: "memory");
}
-static int inline arch_read_trylock(raw_rwlock_t *lock)
+static int inline arch_read_trylock(arch_rwlock_t *lock)
{
int tmp1, tmp2;
@@ -136,7 +136,7 @@ static int inline arch_read_trylock(raw_rwlock_t *lock)
return tmp1;
}
-static void inline arch_read_unlock(raw_rwlock_t *lock)
+static void inline arch_read_unlock(arch_rwlock_t *lock)
{
unsigned long tmp1, tmp2;
@@ -152,7 +152,7 @@ static void inline arch_read_unlock(raw_rwlock_t *lock)
: "memory");
}
-static void inline arch_write_lock(raw_rwlock_t *lock)
+static void inline arch_write_lock(arch_rwlock_t *lock)
{
unsigned long mask, tmp1, tmp2;
@@ -177,7 +177,7 @@ static void inline arch_write_lock(raw_rwlock_t *lock)
: "memory");
}
-static void inline arch_write_unlock(raw_rwlock_t *lock)
+static void inline arch_write_unlock(arch_rwlock_t *lock)
{
__asm__ __volatile__(
" stw %%g0, [%0]"
@@ -186,7 +186,7 @@ static void inline arch_write_unlock(raw_rwlock_t *lock)
: "memory");
}
-static int inline arch_write_trylock(raw_rwlock_t *lock)
+static int inline arch_write_trylock(arch_rwlock_t *lock)
{
unsigned long mask, tmp1, tmp2, result;
@@ -210,21 +210,21 @@ static int inline arch_write_trylock(raw_rwlock_t *lock)
return result;
}
-#define __raw_read_lock(p) arch_read_lock(p)
-#define __raw_read_lock_flags(p, f) arch_read_lock(p)
-#define __raw_read_trylock(p) arch_read_trylock(p)
-#define __raw_read_unlock(p) arch_read_unlock(p)
-#define __raw_write_lock(p) arch_write_lock(p)
-#define __raw_write_lock_flags(p, f) arch_write_lock(p)
-#define __raw_write_unlock(p) arch_write_unlock(p)
-#define __raw_write_trylock(p) arch_write_trylock(p)
-
-#define __raw_read_can_lock(rw) (!((rw)->lock & 0x80000000UL))
-#define __raw_write_can_lock(rw) (!(rw)->lock)
-
-#define _raw_spin_relax(lock) cpu_relax()
-#define _raw_read_relax(lock) cpu_relax()
-#define _raw_write_relax(lock) cpu_relax()
+#define arch_read_lock(p) arch_read_lock(p)
+#define arch_read_lock_flags(p, f) arch_read_lock(p)
+#define arch_read_trylock(p) arch_read_trylock(p)
+#define arch_read_unlock(p) arch_read_unlock(p)
+#define arch_write_lock(p) arch_write_lock(p)
+#define arch_write_lock_flags(p, f) arch_write_lock(p)
+#define arch_write_unlock(p) arch_write_unlock(p)
+#define arch_write_trylock(p) arch_write_trylock(p)
+
+#define arch_read_can_lock(rw) (!((rw)->lock & 0x80000000UL))
+#define arch_write_can_lock(rw) (!(rw)->lock)
+
+#define arch_spin_relax(lock) cpu_relax()
+#define arch_read_relax(lock) cpu_relax()
+#define arch_write_relax(lock) cpu_relax()
#endif /* !(__ASSEMBLY__) */
diff --git a/arch/sparc/include/asm/spinlock_types.h b/arch/sparc/include/asm/spinlock_types.h
index 37cbe01..9c454fd 100644
--- a/arch/sparc/include/asm/spinlock_types.h
+++ b/arch/sparc/include/asm/spinlock_types.h
@@ -7,14 +7,14 @@
typedef struct {
volatile unsigned char lock;
-} raw_spinlock_t;
+} arch_spinlock_t;
-#define __RAW_SPIN_LOCK_UNLOCKED { 0 }
+#define __ARCH_SPIN_LOCK_UNLOCKED { 0 }
typedef struct {
volatile unsigned int lock;
-} raw_rwlock_t;
+} arch_rwlock_t;
-#define __RAW_RW_LOCK_UNLOCKED { 0 }
+#define __ARCH_RW_LOCK_UNLOCKED { 0 }
#endif
diff --git a/arch/sparc/include/asm/string_32.h b/arch/sparc/include/asm/string_32.h
index 6c5fddb..edf196e 100644
--- a/arch/sparc/include/asm/string_32.h
+++ b/arch/sparc/include/asm/string_32.h
@@ -16,8 +16,6 @@
#ifdef __KERNEL__
extern void __memmove(void *,const void *,__kernel_size_t);
-extern __kernel_size_t __memcpy(void *,const void *,__kernel_size_t);
-extern __kernel_size_t __memset(void *,int,__kernel_size_t);
#ifndef EXPORT_SYMTAB_STROPS
@@ -32,82 +30,10 @@ extern __kernel_size_t __memset(void *,int,__kernel_size_t);
})
#define __HAVE_ARCH_MEMCPY
-
-static inline void *__constant_memcpy(void *to, const void *from, __kernel_size_t n)
-{
- extern void __copy_1page(void *, const void *);
-
- if(n <= 32) {
- __builtin_memcpy(to, from, n);
- } else if (((unsigned int) to & 7) != 0) {
- /* Destination is not aligned on the double-word boundary */
- __memcpy(to, from, n);
- } else {
- switch(n) {
- case PAGE_SIZE:
- __copy_1page(to, from);
- break;
- default:
- __memcpy(to, from, n);
- break;
- }
- }
- return to;
-}
-
-static inline void *__nonconstant_memcpy(void *to, const void *from, __kernel_size_t n)
-{
- __memcpy(to, from, n);
- return to;
-}
-
-#undef memcpy
-#define memcpy(t, f, n) \
-(__builtin_constant_p(n) ? \
- __constant_memcpy((t),(f),(n)) : \
- __nonconstant_memcpy((t),(f),(n)))
+#define memcpy(t, f, n) __builtin_memcpy(t, f, n)
#define __HAVE_ARCH_MEMSET
-
-static inline void *__constant_c_and_count_memset(void *s, char c, __kernel_size_t count)
-{
- extern void bzero_1page(void *);
- extern __kernel_size_t __bzero(void *, __kernel_size_t);
-
- if(!c) {
- if(count == PAGE_SIZE)
- bzero_1page(s);
- else
- __bzero(s, count);
- } else {
- __memset(s, c, count);
- }
- return s;
-}
-
-static inline void *__constant_c_memset(void *s, char c, __kernel_size_t count)
-{
- extern __kernel_size_t __bzero(void *, __kernel_size_t);
-
- if(!c)
- __bzero(s, count);
- else
- __memset(s, c, count);
- return s;
-}
-
-static inline void *__nonconstant_memset(void *s, char c, __kernel_size_t count)
-{
- __memset(s, c, count);
- return s;
-}
-
-#undef memset
-#define memset(s, c, count) \
-(__builtin_constant_p(c) ? (__builtin_constant_p(count) ? \
- __constant_c_and_count_memset((s), (c), (count)) : \
- __constant_c_memset((s), (c), (count))) \
- : __nonconstant_memset((s), (c), (count)))
+#define memset(s, c, count) __builtin_memset(s, c, count)
#define __HAVE_ARCH_MEMSCAN
diff --git a/arch/sparc/include/asm/string_64.h b/arch/sparc/include/asm/string_64.h
index 43161f2..9623bc2 100644
--- a/arch/sparc/include/asm/string_64.h
+++ b/arch/sparc/include/asm/string_64.h
@@ -15,8 +15,6 @@
#include <asm/asi.h>
-extern void *__memset(void *,int,__kernel_size_t);
-
#ifndef EXPORT_SYMTAB_STROPS
/* First the mem*() things. */
@@ -24,29 +22,10 @@ extern void *__memset(void *,int,__kernel_size_t);
extern void *memmove(void *, const void *, __kernel_size_t);
#define __HAVE_ARCH_MEMCPY
-extern void *memcpy(void *, const void *, __kernel_size_t);
+#define memcpy(t, f, n) __builtin_memcpy(t, f, n)
#define __HAVE_ARCH_MEMSET
-extern void *__builtin_memset(void *,int,__kernel_size_t);
-
-static inline void *__constant_memset(void *s, int c, __kernel_size_t count)
-{
- extern __kernel_size_t __bzero(void *, __kernel_size_t);
-
- if (!c) {
- __bzero(s, count);
- return s;
- } else
- return __memset(s, c, count);
-}
-
-#undef memset
-#define memset(s, c, count) \
-((__builtin_constant_p(count) && (count) <= 32) ? \
- __builtin_memset((s), (c), (count)) : \
- (__builtin_constant_p(c) ? \
- __constant_memset((s), (c), (count)) : \
- __memset((s), (c), (count))))
+#define memset(s, c, count) __builtin_memset(s, c, count)
#define __HAVE_ARCH_MEMSCAN
diff --git a/arch/sparc/include/asm/thread_info_64.h b/arch/sparc/include/asm/thread_info_64.h
index 1b45a7b..7257ebb 100644
--- a/arch/sparc/include/asm/thread_info_64.h
+++ b/arch/sparc/include/asm/thread_info_64.h
@@ -227,6 +227,7 @@ register struct thread_info *current_thread_info_reg asm("g6");
/* flag bit 8 is available */
#define TIF_SECCOMP 9 /* secure computing */
#define TIF_SYSCALL_AUDIT 10 /* syscall auditing active */
+#define TIF_SYSCALL_TRACEPOINT 11 /* syscall tracepoint instrumentation */
/* flag bit 11 is available */
/* NOTE: Thread flags >= 12 should be ones we have no interest
* in using in assembly, else we can't use the mask as
@@ -246,6 +247,7 @@ register struct thread_info *current_thread_info_reg asm("g6");
#define _TIF_32BIT (1<<TIF_32BIT)
#define _TIF_SECCOMP (1<<TIF_SECCOMP)
#define _TIF_SYSCALL_AUDIT (1<<TIF_SYSCALL_AUDIT)
+#define _TIF_SYSCALL_TRACEPOINT (1<<TIF_SYSCALL_TRACEPOINT)
#define _TIF_ABI_PENDING (1<<TIF_ABI_PENDING)
#define _TIF_POLLING_NRFLAG (1<<TIF_POLLING_NRFLAG)
#define _TIF_FREEZE (1<<TIF_FREEZE)
diff --git a/arch/sparc/include/asm/uaccess_32.h b/arch/sparc/include/asm/uaccess_32.h
index 8303ac4..489d2ba 100644
--- a/arch/sparc/include/asm/uaccess_32.h
+++ b/arch/sparc/include/asm/uaccess_32.h
@@ -260,8 +260,23 @@ static inline unsigned long __copy_to_user(void __user *to, const void *from, un
return __copy_user(to, (__force void __user *) from, n);
}
+extern void copy_from_user_overflow(void)
+#ifdef CONFIG_DEBUG_STRICT_USER_COPY_CHECKS
+ __compiletime_error("copy_from_user() buffer size is not provably correct")
+#else
+ __compiletime_warning("copy_from_user() buffer size is not provably correct")
+#endif
+;
+
static inline unsigned long copy_from_user(void *to, const void __user *from, unsigned long n)
{
+ int sz = __compiletime_object_size(to);
+
+ if (unlikely(sz != -1 && sz < n)) {
+ copy_from_user_overflow();
+ return -EFAULT;
+ }
+
if (n && __access_ok((unsigned long) from, n))
return __copy_user((__force void __user *) to, from, n);
else
diff --git a/arch/sparc/include/asm/uaccess_64.h b/arch/sparc/include/asm/uaccess_64.h
index 9ea271e..dbc1416 100644
--- a/arch/sparc/include/asm/uaccess_64.h
+++ b/arch/sparc/include/asm/uaccess_64.h
@@ -6,6 +6,7 @@
*/
#ifdef __KERNEL__
+#include <linux/errno.h>
#include <linux/compiler.h>
#include <linux/string.h>
#include <linux/thread_info.h>
@@ -204,6 +205,14 @@ __asm__ __volatile__( \
extern int __get_user_bad(void);
+extern void copy_from_user_overflow(void)
+#ifdef CONFIG_DEBUG_STRICT_USER_COPY_CHECKS
+ __compiletime_error("copy_from_user() buffer size is not provably correct")
+#else
+ __compiletime_warning("copy_from_user() buffer size is not provably correct")
+#endif
+;
+
extern unsigned long __must_check ___copy_from_user(void *to,
const void __user *from,
unsigned long size);
@@ -212,10 +221,16 @@ extern unsigned long copy_from_user_fixup(void *to, const void __user *from,
static inline unsigned long __must_check
copy_from_user(void *to, const void __user *from, unsigned long size)
{
- unsigned long ret = ___copy_from_user(to, from, size);
-
- if (unlikely(ret))
- ret = copy_from_user_fixup(to, from, size);
+ unsigned long ret = (unsigned long) -EFAULT;
+ int sz = __compiletime_object_size(to);
+
+ if (likely(sz == -1 || sz >= size)) {
+ ret = ___copy_from_user(to, from, size);
+ if (unlikely(ret))
+ ret = copy_from_user_fixup(to, from, size);
+ } else {
+ copy_from_user_overflow();
+ }
return ret;
}
#define __copy_from_user copy_from_user
diff --git a/arch/sparc/include/asm/unistd.h b/arch/sparc/include/asm/unistd.h
index 42f2316..cb4b9bf 100644
--- a/arch/sparc/include/asm/unistd.h
+++ b/arch/sparc/include/asm/unistd.h
@@ -396,8 +396,9 @@
#define __NR_pwritev 325
#define __NR_rt_tgsigqueueinfo 326
#define __NR_perf_event_open 327
+#define __NR_recvmmsg 328
-#define NR_SYSCALLS 328
+#define NR_syscalls 329
#ifdef __32bit_syscall_numbers__
/* Sparc 32-bit only has the "setresuid32", "getresuid32" variants,
diff --git a/arch/sparc/kernel/Makefile b/arch/sparc/kernel/Makefile
index 5b47fab..c631614 100644
--- a/arch/sparc/kernel/Makefile
+++ b/arch/sparc/kernel/Makefile
@@ -72,7 +72,7 @@ obj-y += dma.o
obj-$(CONFIG_SPARC32_PCI) += pcic.o
obj-$(CONFIG_SMP) += trampoline_$(BITS).o smp_$(BITS).o
-obj-$(CONFIG_SPARC32_SMP) += sun4m_smp.o sun4d_smp.o
+obj-$(CONFIG_SPARC32_SMP) += sun4m_smp.o sun4d_smp.o leon_smp.o
obj-$(CONFIG_SPARC64_SMP) += hvtramp.o
obj-y += auxio_$(BITS).o
@@ -87,6 +87,7 @@ obj-$(CONFIG_KGDB) += kgdb_$(BITS).o
obj-$(CONFIG_DYNAMIC_FTRACE) += ftrace.o
CFLAGS_REMOVE_ftrace.o := -pg
+obj-$(CONFIG_EARLYFB) += btext.o
obj-$(CONFIG_STACKTRACE) += stacktrace.o
# sparc64 PCI
obj-$(CONFIG_SPARC64_PCI) += pci.o pci_common.o psycho_common.o
diff --git a/arch/sparc/kernel/apc.c b/arch/sparc/kernel/apc.c
index 9c11582..71ec90b 100644
--- a/arch/sparc/kernel/apc.c
+++ b/arch/sparc/kernel/apc.c
@@ -10,7 +10,6 @@
#include <linux/errno.h>
#include <linux/init.h>
#include <linux/miscdevice.h>
-#include <linux/smp_lock.h>
#include <linux/pm.h>
#include <linux/of.h>
#include <linux/of_device.h>
@@ -76,7 +75,6 @@ static inline void apc_free(struct of_device *op)
static int apc_open(struct inode *inode, struct file *f)
{
- cycle_kernel_lock();
return 0;
}
@@ -87,61 +85,46 @@ static int apc_release(struct inode *inode, struct file *f)
static long apc_ioctl(struct file *f, unsigned int cmd, unsigned long __arg)
{
- __u8 inarg, __user *arg;
-
- arg = (__u8 __user *) __arg;
-
- lock_kernel();
+ __u8 inarg, __user *arg = (__u8 __user *) __arg;
switch (cmd) {
case APCIOCGFANCTL:
- if (put_user(apc_readb(APC_FANCTL_REG) & APC_REGMASK, arg)) {
- unlock_kernel();
+ if (put_user(apc_readb(APC_FANCTL_REG) & APC_REGMASK, arg))
return -EFAULT;
- }
break;
case APCIOCGCPWR:
- if (put_user(apc_readb(APC_CPOWER_REG) & APC_REGMASK, arg)) {
- unlock_kernel();
+ if (put_user(apc_readb(APC_CPOWER_REG) & APC_REGMASK, arg))
return -EFAULT;
- }
break;
case APCIOCGBPORT:
- if (put_user(apc_readb(APC_BPORT_REG) & APC_BPMASK, arg)) {
- unlock_kernel();
+ if (put_user(apc_readb(APC_BPORT_REG) & APC_BPMASK, arg))
return -EFAULT;
- }
break;
case APCIOCSFANCTL:
- if (get_user(inarg, arg)) {
- unlock_kernel();
+ if (get_user(inarg, arg))
return -EFAULT;
- }
apc_writeb(inarg & APC_REGMASK, APC_FANCTL_REG);
break;
+
case APCIOCSCPWR:
- if (get_user(inarg, arg)) {
- unlock_kernel();
+ if (get_user(inarg, arg))
return -EFAULT;
- }
apc_writeb(inarg & APC_REGMASK, APC_CPOWER_REG);
break;
+
case APCIOCSBPORT:
- if (get_user(inarg, arg)) {
- unlock_kernel();
+ if (get_user(inarg, arg))
return -EFAULT;
- }
apc_writeb(inarg & APC_BPMASK, APC_BPORT_REG);
break;
+
default:
- unlock_kernel();
return -EINVAL;
};
- unlock_kernel();
return 0;
}
diff --git a/arch/sparc/kernel/auxio_32.c b/arch/sparc/kernel/auxio_32.c
index 45c4123..ee8d214 100644
--- a/arch/sparc/kernel/auxio_32.c
+++ b/arch/sparc/kernel/auxio_32.c
@@ -28,6 +28,7 @@ void __init auxio_probe(void)
struct resource r;
switch (sparc_cpu_model) {
+ case sparc_leon:
case sun4d:
case sun4:
return;
diff --git a/arch/sparc/kernel/btext.c b/arch/sparc/kernel/btext.c
new file mode 100644
index 0000000..8cc2d56
--- /dev/null
+++ b/arch/sparc/kernel/btext.c
@@ -0,0 +1,673 @@
+/*
+ * Procedures for drawing on the screen early on in the boot process.
+ *
+ * Benjamin Herrenschmidt <benh@kernel.crashing.org>
+ */
+#include <linux/kernel.h>
+#include <linux/string.h>
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/console.h>
+
+#include <asm/btext.h>
+#include <asm/oplib.h>
+#include <asm/io.h>
+
+#define NO_SCROLL
+
+#ifndef NO_SCROLL
+static void scrollscreen(void);
+#endif
+
+static void draw_byte(unsigned char c, long locX, long locY);
+static void draw_byte_32(unsigned char *bits, unsigned int *base, int rb);
+static void draw_byte_16(unsigned char *bits, unsigned int *base, int rb);
+static void draw_byte_8(unsigned char *bits, unsigned int *base, int rb);
+
+#define __force_data __attribute__((__section__(".data")))
+
+static int g_loc_X __force_data;
+static int g_loc_Y __force_data;
+static int g_max_loc_X __force_data;
+static int g_max_loc_Y __force_data;
+
+static int dispDeviceRowBytes __force_data;
+static int dispDeviceDepth __force_data;
+static int dispDeviceRect[4] __force_data;
+static unsigned char *dispDeviceBase __force_data;
+
+#define cmapsz (16*256)
+
+static unsigned char vga_font[cmapsz];
+
+static int __init btext_initialize(unsigned int node)
+{
+ unsigned int width, height, depth, pitch;
+ unsigned long address = 0;
+ u32 prop;
+
+ if (prom_getproperty(node, "width", (char *)&width, 4) < 0)
+ return -EINVAL;
+ if (prom_getproperty(node, "height", (char *)&height, 4) < 0)
+ return -EINVAL;
+ if (prom_getproperty(node, "depth", (char *)&depth, 4) < 0)
+ return -EINVAL;
+ pitch = width * ((depth + 7) / 8);
+
+ if (prom_getproperty(node, "linebytes", (char *)&prop, 4) >= 0 &&
+ prop != 0xffffffffu)
+ pitch = prop;
+
+ if (pitch == 1)
+ pitch = 0x1000;
+
+ if (prom_getproperty(node, "address", (char *)&prop, 4) >= 0)
+ address = prop;
+
+ /* FIXME: Add support for PCI reg properties. Right now, only
+ * reliable on macs
+ */
+ if (address == 0)
+ return -EINVAL;
+
+ g_loc_X = 0;
+ g_loc_Y = 0;
+ g_max_loc_X = width / 8;
+ g_max_loc_Y = height / 16;
+ dispDeviceBase = (unsigned char *)address;
+ dispDeviceRowBytes = pitch;
+ dispDeviceDepth = depth == 15 ? 16 : depth;
+ dispDeviceRect[0] = dispDeviceRect[1] = 0;
+ dispDeviceRect[2] = width;
+ dispDeviceRect[3] = height;
+
+ return 0;
+}
+
+/* Calc the base address of a given point (x,y) */
+static unsigned char * calc_base(int x, int y)
+{
+ unsigned char *base = dispDeviceBase;
+
+ base += (x + dispDeviceRect[0]) * (dispDeviceDepth >> 3);
+ base += (y + dispDeviceRect[1]) * dispDeviceRowBytes;
+ return base;
+}
+
+static void btext_clearscreen(void)
+{
+ unsigned int *base = (unsigned int *)calc_base(0, 0);
+ unsigned long width = ((dispDeviceRect[2] - dispDeviceRect[0]) *
+ (dispDeviceDepth >> 3)) >> 2;
+ int i,j;
+
+ for (i=0; i<(dispDeviceRect[3] - dispDeviceRect[1]); i++)
+ {
+ unsigned int *ptr = base;
+ for(j=width; j; --j)
+ *(ptr++) = 0;
+ base += (dispDeviceRowBytes >> 2);
+ }
+}
+
+#ifndef NO_SCROLL
+static void scrollscreen(void)
+{
+ unsigned int *src = (unsigned int *)calc_base(0,16);
+ unsigned int *dst = (unsigned int *)calc_base(0,0);
+ unsigned long width = ((dispDeviceRect[2] - dispDeviceRect[0]) *
+ (dispDeviceDepth >> 3)) >> 2;
+ int i,j;
+
+ for (i=0; i<(dispDeviceRect[3] - dispDeviceRect[1] - 16); i++)
+ {
+ unsigned int *src_ptr = src;
+ unsigned int *dst_ptr = dst;
+ for(j=width; j; --j)
+ *(dst_ptr++) = *(src_ptr++);
+ src += (dispDeviceRowBytes >> 2);
+ dst += (dispDeviceRowBytes >> 2);
+ }
+ for (i=0; i<16; i++)
+ {
+ unsigned int *dst_ptr = dst;
+ for(j=width; j; --j)
+ *(dst_ptr++) = 0;
+ dst += (dispDeviceRowBytes >> 2);
+ }
+}
+#endif /* ndef NO_SCROLL */
+
+void btext_drawchar(char c)
+{
+ int cline = 0;
+#ifdef NO_SCROLL
+ int x;
+#endif
+ switch (c) {
+ case '\b':
+ if (g_loc_X > 0)
+ --g_loc_X;
+ break;
+ case '\t':
+ g_loc_X = (g_loc_X & -8) + 8;
+ break;
+ case '\r':
+ g_loc_X = 0;
+ break;
+ case '\n':
+ g_loc_X = 0;
+ g_loc_Y++;
+ cline = 1;
+ break;
+ default:
+ draw_byte(c, g_loc_X++, g_loc_Y);
+ }
+ if (g_loc_X >= g_max_loc_X) {
+ g_loc_X = 0;
+ g_loc_Y++;
+ cline = 1;
+ }
+#ifndef NO_SCROLL
+ while (g_loc_Y >= g_max_loc_Y) {
+ scrollscreen();
+ g_loc_Y--;
+ }
+#else
+ /* wrap around from bottom to top of screen so we don't
+ waste time scrolling each line. -- paulus. */
+ if (g_loc_Y >= g_max_loc_Y)
+ g_loc_Y = 0;
+ if (cline) {
+ for (x = 0; x < g_max_loc_X; ++x)
+ draw_byte(' ', x, g_loc_Y);
+ }
+#endif
+}
+
+static void btext_drawtext(const char *c, unsigned int len)
+{
+ while (len--)
+ btext_drawchar(*c++);
+}
+
+static void draw_byte(unsigned char c, long locX, long locY)
+{
+ unsigned char *base = calc_base(locX << 3, locY << 4);
+ unsigned char *font = &vga_font[((unsigned int)c) * 16];
+ int rb = dispDeviceRowBytes;
+
+ switch(dispDeviceDepth) {
+ case 24:
+ case 32:
+ draw_byte_32(font, (unsigned int *)base, rb);
+ break;
+ case 15:
+ case 16:
+ draw_byte_16(font, (unsigned int *)base, rb);
+ break;
+ case 8:
+ draw_byte_8(font, (unsigned int *)base, rb);
+ break;
+ }
+}
+
+static unsigned int expand_bits_8[16] = {
+ 0x00000000,
+ 0x000000ff,
+ 0x0000ff00,
+ 0x0000ffff,
+ 0x00ff0000,
+ 0x00ff00ff,
+ 0x00ffff00,
+ 0x00ffffff,
+ 0xff000000,
+ 0xff0000ff,
+ 0xff00ff00,
+ 0xff00ffff,
+ 0xffff0000,
+ 0xffff00ff,
+ 0xffffff00,
+ 0xffffffff
+};
+
+static unsigned int expand_bits_16[4] = {
+ 0x00000000,
+ 0x0000ffff,
+ 0xffff0000,
+ 0xffffffff
+};
+
+
+static void draw_byte_32(unsigned char *font, unsigned int *base, int rb)
+{
+ int l, bits;
+ int fg = 0xFFFFFFFFUL;
+ int bg = 0x00000000UL;
+
+ for (l = 0; l < 16; ++l)
+ {
+ bits = *font++;
+ base[0] = (-(bits >> 7) & fg) ^ bg;
+ base[1] = (-((bits >> 6) & 1) & fg) ^ bg;
+ base[2] = (-((bits >> 5) & 1) & fg) ^ bg;
+ base[3] = (-((bits >> 4) & 1) & fg) ^ bg;
+ base[4] = (-((bits >> 3) & 1) & fg) ^ bg;
+ base[5] = (-((bits >> 2) & 1) & fg) ^ bg;
+ base[6] = (-((bits >> 1) & 1) & fg) ^ bg;
+ base[7] = (-(bits & 1) & fg) ^ bg;
+ base = (unsigned int *) ((char *)base + rb);
+ }
+}
+
+static void draw_byte_16(unsigned char *font, unsigned int *base, int rb)
+{
+ int l, bits;
+ int fg = 0xFFFFFFFFUL;
+ int bg = 0x00000000UL;
+ unsigned int *eb = (int *)expand_bits_16;
+
+ for (l = 0; l < 16; ++l)
+ {
+ bits = *font++;
+ base[0] = (eb[bits >> 6] & fg) ^ bg;
+ base[1] = (eb[(bits >> 4) & 3] & fg) ^ bg;
+ base[2] = (eb[(bits >> 2) & 3] & fg) ^ bg;
+ base[3] = (eb[bits & 3] & fg) ^ bg;
+ base = (unsigned int *) ((char *)base + rb);
+ }
+}
+
+static void draw_byte_8(unsigned char *font, unsigned int *base, int rb)
+{
+ int l, bits;
+ int fg = 0x0F0F0F0FUL;
+ int bg = 0x00000000UL;
+ unsigned int *eb = (int *)expand_bits_8;
+
+ for (l = 0; l < 16; ++l)
+ {
+ bits = *font++;
+ base[0] = (eb[bits >> 4] & fg) ^ bg;
+ base[1] = (eb[bits & 0xf] & fg) ^ bg;
+ base = (unsigned int *) ((char *)base + rb);
+ }
+}
+
+static void btext_console_write(struct console *con, const char *s,
+ unsigned int n)
+{
+ btext_drawtext(s, n);
+}
+
+static struct console btext_console = {
+ .name = "btext",
+ .write = btext_console_write,
+ .flags = CON_PRINTBUFFER | CON_ENABLED | CON_BOOT | CON_ANYTIME,
+ .index = 0,
+};
+
+int __init btext_find_display(void)
+{
+ unsigned int node;
+ char type[32];
+ int ret;
+
+ node = prom_inst2pkg(prom_stdout);
+ if (prom_getproperty(node, "device_type", type, 32) < 0)
+ return -ENODEV;
+ if (strcmp(type, "display"))
+ return -ENODEV;
+
+ ret = btext_initialize(node);
+ if (!ret) {
+ btext_clearscreen();
+ register_console(&btext_console);
+ }
+ return ret;
+}
+
+static unsigned char vga_font[cmapsz] = {
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x7e, 0x81, 0xa5, 0x81, 0x81, 0xbd,
+0x99, 0x81, 0x81, 0x7e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x7e, 0xff,
+0xdb, 0xff, 0xff, 0xc3, 0xe7, 0xff, 0xff, 0x7e, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x6c, 0xfe, 0xfe, 0xfe, 0xfe, 0x7c, 0x38, 0x10,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x38, 0x7c, 0xfe,
+0x7c, 0x38, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x18,
+0x3c, 0x3c, 0xe7, 0xe7, 0xe7, 0x18, 0x18, 0x3c, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x18, 0x3c, 0x7e, 0xff, 0xff, 0x7e, 0x18, 0x18, 0x3c,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x18, 0x3c,
+0x3c, 0x18, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff,
+0xff, 0xff, 0xe7, 0xc3, 0xc3, 0xe7, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x3c, 0x66, 0x42, 0x42, 0x66, 0x3c, 0x00,
+0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xc3, 0x99, 0xbd,
+0xbd, 0x99, 0xc3, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x1e, 0x0e,
+0x1a, 0x32, 0x78, 0xcc, 0xcc, 0xcc, 0xcc, 0x78, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x3c, 0x66, 0x66, 0x66, 0x66, 0x3c, 0x18, 0x7e, 0x18, 0x18,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x3f, 0x33, 0x3f, 0x30, 0x30, 0x30,
+0x30, 0x70, 0xf0, 0xe0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x7f, 0x63,
+0x7f, 0x63, 0x63, 0x63, 0x63, 0x67, 0xe7, 0xe6, 0xc0, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x18, 0x18, 0xdb, 0x3c, 0xe7, 0x3c, 0xdb, 0x18, 0x18,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0xc0, 0xe0, 0xf0, 0xf8, 0xfe, 0xf8,
+0xf0, 0xe0, 0xc0, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x06, 0x0e,
+0x1e, 0x3e, 0xfe, 0x3e, 0x1e, 0x0e, 0x06, 0x02, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x18, 0x3c, 0x7e, 0x18, 0x18, 0x18, 0x7e, 0x3c, 0x18, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66,
+0x66, 0x00, 0x66, 0x66, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x7f, 0xdb,
+0xdb, 0xdb, 0x7b, 0x1b, 0x1b, 0x1b, 0x1b, 0x1b, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x7c, 0xc6, 0x60, 0x38, 0x6c, 0xc6, 0xc6, 0x6c, 0x38, 0x0c, 0xc6,
+0x7c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0xfe, 0xfe, 0xfe, 0xfe, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x18, 0x3c,
+0x7e, 0x18, 0x18, 0x18, 0x7e, 0x3c, 0x18, 0x7e, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x18, 0x3c, 0x7e, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18,
+0x18, 0x7e, 0x3c, 0x18, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x18, 0x0c, 0xfe, 0x0c, 0x18, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x30, 0x60, 0xfe, 0x60, 0x30, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc0, 0xc0,
+0xc0, 0xfe, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x24, 0x66, 0xff, 0x66, 0x24, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x10, 0x38, 0x38, 0x7c, 0x7c, 0xfe, 0xfe, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfe, 0xfe, 0x7c, 0x7c,
+0x38, 0x38, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x18, 0x3c, 0x3c, 0x3c, 0x18, 0x18, 0x18, 0x00, 0x18, 0x18,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x66, 0x66, 0x66, 0x24, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x6c,
+0x6c, 0xfe, 0x6c, 0x6c, 0x6c, 0xfe, 0x6c, 0x6c, 0x00, 0x00, 0x00, 0x00,
+0x18, 0x18, 0x7c, 0xc6, 0xc2, 0xc0, 0x7c, 0x06, 0x06, 0x86, 0xc6, 0x7c,
+0x18, 0x18, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc2, 0xc6, 0x0c, 0x18,
+0x30, 0x60, 0xc6, 0x86, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x38, 0x6c,
+0x6c, 0x38, 0x76, 0xdc, 0xcc, 0xcc, 0xcc, 0x76, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x30, 0x30, 0x30, 0x60, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0c, 0x18, 0x30, 0x30, 0x30, 0x30,
+0x30, 0x30, 0x18, 0x0c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x30, 0x18,
+0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x18, 0x30, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x66, 0x3c, 0xff, 0x3c, 0x66, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x18, 0x18, 0x7e,
+0x18, 0x18, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x18, 0x18, 0x18, 0x30, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x7e, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x18, 0x18, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x02, 0x06, 0x0c, 0x18, 0x30, 0x60, 0xc0, 0x80, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x7c, 0xc6, 0xc6, 0xce, 0xde, 0xf6, 0xe6, 0xc6, 0xc6, 0x7c,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x18, 0x38, 0x78, 0x18, 0x18, 0x18,
+0x18, 0x18, 0x18, 0x7e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x7c, 0xc6,
+0x06, 0x0c, 0x18, 0x30, 0x60, 0xc0, 0xc6, 0xfe, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x7c, 0xc6, 0x06, 0x06, 0x3c, 0x06, 0x06, 0x06, 0xc6, 0x7c,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0c, 0x1c, 0x3c, 0x6c, 0xcc, 0xfe,
+0x0c, 0x0c, 0x0c, 0x1e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfe, 0xc0,
+0xc0, 0xc0, 0xfc, 0x06, 0x06, 0x06, 0xc6, 0x7c, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x38, 0x60, 0xc0, 0xc0, 0xfc, 0xc6, 0xc6, 0xc6, 0xc6, 0x7c,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfe, 0xc6, 0x06, 0x06, 0x0c, 0x18,
+0x30, 0x30, 0x30, 0x30, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x7c, 0xc6,
+0xc6, 0xc6, 0x7c, 0xc6, 0xc6, 0xc6, 0xc6, 0x7c, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x7c, 0xc6, 0xc6, 0xc6, 0x7e, 0x06, 0x06, 0x06, 0x0c, 0x78,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x18, 0x18, 0x00, 0x00,
+0x00, 0x18, 0x18, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x18, 0x18, 0x00, 0x00, 0x00, 0x18, 0x18, 0x30, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x06, 0x0c, 0x18, 0x30, 0x60, 0x30, 0x18, 0x0c, 0x06,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x7e, 0x00, 0x00,
+0x7e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x60,
+0x30, 0x18, 0x0c, 0x06, 0x0c, 0x18, 0x30, 0x60, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x7c, 0xc6, 0xc6, 0x0c, 0x18, 0x18, 0x18, 0x00, 0x18, 0x18,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x7c, 0xc6, 0xc6, 0xc6, 0xde, 0xde,
+0xde, 0xdc, 0xc0, 0x7c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x38,
+0x6c, 0xc6, 0xc6, 0xfe, 0xc6, 0xc6, 0xc6, 0xc6, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0xfc, 0x66, 0x66, 0x66, 0x7c, 0x66, 0x66, 0x66, 0x66, 0xfc,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x3c, 0x66, 0xc2, 0xc0, 0xc0, 0xc0,
+0xc0, 0xc2, 0x66, 0x3c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf8, 0x6c,
+0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x6c, 0xf8, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0xfe, 0x66, 0x62, 0x68, 0x78, 0x68, 0x60, 0x62, 0x66, 0xfe,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfe, 0x66, 0x62, 0x68, 0x78, 0x68,
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+0x36, 0x36, 0x36, 0x36, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfe, 0x06, 0xf6,
+0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36,
+0x36, 0xf6, 0x06, 0xfe, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0xfe, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x18, 0x18, 0x18, 0x18, 0x18, 0xf8, 0x18, 0xf8,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0xf8, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18,
+0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x1f, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0xff,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0xff, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18,
+0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x1f, 0x18, 0x18, 0x18, 0x18,
+0x18, 0x18, 0x18, 0x18, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x18, 0x18, 0x18, 0x18,
+0x18, 0x18, 0x18, 0xff, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18,
+0x18, 0x18, 0x18, 0x18, 0x18, 0x1f, 0x18, 0x1f, 0x18, 0x18, 0x18, 0x18,
+0x18, 0x18, 0x18, 0x18, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x37,
+0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36,
+0x36, 0x37, 0x30, 0x3f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x3f, 0x30, 0x37, 0x36, 0x36, 0x36, 0x36,
+0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0xf7, 0x00, 0xff,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0xff, 0x00, 0xf7, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36,
+0x36, 0x36, 0x36, 0x36, 0x36, 0x37, 0x30, 0x37, 0x36, 0x36, 0x36, 0x36,
+0x36, 0x36, 0x36, 0x36, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0x00, 0xff,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x36, 0x36, 0x36, 0x36,
+0x36, 0xf7, 0x00, 0xf7, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36,
+0x18, 0x18, 0x18, 0x18, 0x18, 0xff, 0x00, 0xff, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0xff,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0xff, 0x00, 0xff, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0x36, 0x36, 0x36, 0x36,
+0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x3f,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x18, 0x18, 0x18, 0x18,
+0x18, 0x1f, 0x18, 0x1f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x1f, 0x18, 0x1f, 0x18, 0x18, 0x18, 0x18,
+0x18, 0x18, 0x18, 0x18, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x3f,
+0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36,
+0x36, 0x36, 0x36, 0xff, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36,
+0x18, 0x18, 0x18, 0x18, 0x18, 0xff, 0x18, 0xff, 0x18, 0x18, 0x18, 0x18,
+0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0xf8,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x1f, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18,
+0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff,
+0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xf0, 0xf0, 0xf0, 0xf0,
+0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0,
+0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f,
+0x0f, 0x0f, 0x0f, 0x0f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x76, 0xdc, 0xd8, 0xd8, 0xd8, 0xdc, 0x76, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x78, 0xcc, 0xcc, 0xcc, 0xd8, 0xcc, 0xc6, 0xc6, 0xc6, 0xcc,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfe, 0xc6, 0xc6, 0xc0, 0xc0, 0xc0,
+0xc0, 0xc0, 0xc0, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0xfe, 0x6c, 0x6c, 0x6c, 0x6c, 0x6c, 0x6c, 0x6c, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0xfe, 0xc6, 0x60, 0x30, 0x18, 0x30, 0x60, 0xc6, 0xfe,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x7e, 0xd8, 0xd8,
+0xd8, 0xd8, 0xd8, 0x70, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x66, 0x66, 0x66, 0x66, 0x66, 0x7c, 0x60, 0x60, 0xc0, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x76, 0xdc, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x7e, 0x18, 0x3c, 0x66, 0x66,
+0x66, 0x3c, 0x18, 0x7e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x38,
+0x6c, 0xc6, 0xc6, 0xfe, 0xc6, 0xc6, 0x6c, 0x38, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x38, 0x6c, 0xc6, 0xc6, 0xc6, 0x6c, 0x6c, 0x6c, 0x6c, 0xee,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1e, 0x30, 0x18, 0x0c, 0x3e, 0x66,
+0x66, 0x66, 0x66, 0x3c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x7e, 0xdb, 0xdb, 0xdb, 0x7e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x03, 0x06, 0x7e, 0xdb, 0xdb, 0xf3, 0x7e, 0x60, 0xc0,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1c, 0x30, 0x60, 0x60, 0x7c, 0x60,
+0x60, 0x60, 0x30, 0x1c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x7c,
+0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0xfe, 0x00, 0x00, 0xfe, 0x00, 0x00, 0xfe, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x18, 0x18, 0x7e, 0x18,
+0x18, 0x00, 0x00, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x30,
+0x18, 0x0c, 0x06, 0x0c, 0x18, 0x30, 0x00, 0x7e, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x0c, 0x18, 0x30, 0x60, 0x30, 0x18, 0x0c, 0x00, 0x7e,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0e, 0x1b, 0x1b, 0x1b, 0x18, 0x18,
+0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18,
+0x18, 0x18, 0x18, 0x18, 0xd8, 0xd8, 0xd8, 0x70, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x18, 0x18, 0x00, 0x7e, 0x00, 0x18, 0x18, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x76, 0xdc, 0x00,
+0x76, 0xdc, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x38, 0x6c, 0x6c,
+0x38, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x18, 0x18, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x18, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0f, 0x0c, 0x0c,
+0x0c, 0x0c, 0x0c, 0xec, 0x6c, 0x6c, 0x3c, 0x1c, 0x00, 0x00, 0x00, 0x00,
+0x00, 0xd8, 0x6c, 0x6c, 0x6c, 0x6c, 0x6c, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x70, 0xd8, 0x30, 0x60, 0xc8, 0xf8, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x7c, 0x7c, 0x7c, 0x7c, 0x7c, 0x7c, 0x7c, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00,
+};
diff --git a/arch/sparc/kernel/cpu.c b/arch/sparc/kernel/cpu.c
index 1446df9..e447938 100644
--- a/arch/sparc/kernel/cpu.c
+++ b/arch/sparc/kernel/cpu.c
@@ -185,6 +185,17 @@ static const struct manufacturer_info __initconst manufacturer_info[] = {
FPU(-1, NULL)
}
},{
+ 0xF, /* Aeroflex Gaisler */
+ .cpu_info = {
+ CPU(3, "LEON"),
+ CPU(-1, NULL)
+ },
+ .fpu_info = {
+ FPU(2, "GRFPU"),
+ FPU(3, "GRFPU-Lite"),
+ FPU(-1, NULL)
+ }
+},{
0x17,
.cpu_info = {
CPU_PMU(0x10, "TI UltraSparc I (SpitFire)", "ultra12"),
diff --git a/arch/sparc/kernel/entry.S b/arch/sparc/kernel/entry.S
index f41ecc5..1504df8 100644
--- a/arch/sparc/kernel/entry.S
+++ b/arch/sparc/kernel/entry.S
@@ -400,6 +400,39 @@ linux_trap_ipi15_sun4d:
/* FIXME */
1: b,a 1b
+#ifdef CONFIG_SPARC_LEON
+
+ .globl smpleon_ticker
+ /* SMP per-cpu ticker interrupts are handled specially. */
+smpleon_ticker:
+ SAVE_ALL
+ or %l0, PSR_PIL, %g2
+ wr %g2, 0x0, %psr
+ WRITE_PAUSE
+ wr %g2, PSR_ET, %psr
+ WRITE_PAUSE
+ call leon_percpu_timer_interrupt
+ add %sp, STACKFRAME_SZ, %o0
+ wr %l0, PSR_ET, %psr
+ WRITE_PAUSE
+ RESTORE_ALL
+
+ .align 4
+ .globl linux_trap_ipi15_leon
+linux_trap_ipi15_leon:
+ SAVE_ALL
+ or %l0, PSR_PIL, %l4
+ wr %l4, 0x0, %psr
+ WRITE_PAUSE
+ wr %l4, PSR_ET, %psr
+ WRITE_PAUSE
+ call leon_cross_call_irq
+ nop
+ b ret_trap_lockless_ipi
+ clr %l6
+
+#endif /* CONFIG_SPARC_LEON */
+
#endif /* CONFIG_SMP */
/* This routine handles illegal instructions and privileged
@@ -1261,7 +1294,7 @@ linux_sparc_syscall:
sethi %hi(PSR_SYSCALL), %l4
or %l0, %l4, %l0
/* Direct access to user regs, must faster. */
- cmp %g1, NR_SYSCALLS
+ cmp %g1, NR_syscalls
bgeu linux_sparc_ni_syscall
sll %g1, 2, %l4
ld [%l7 + %l4], %l7
diff --git a/arch/sparc/kernel/ftrace.c b/arch/sparc/kernel/ftrace.c
index d3b1a30..29973da 100644
--- a/arch/sparc/kernel/ftrace.c
+++ b/arch/sparc/kernel/ftrace.c
@@ -4,6 +4,7 @@
#include <linux/percpu.h>
#include <linux/init.h>
#include <linux/list.h>
+#include <trace/syscall.h>
#include <asm/ftrace.h>
@@ -91,3 +92,13 @@ int __init ftrace_dyn_arch_init(void *data)
}
#endif
+#ifdef CONFIG_FTRACE_SYSCALLS
+
+extern unsigned int sys_call_table[];
+
+unsigned long __init arch_syscall_addr(int nr)
+{
+ return (unsigned long)sys_call_table[nr];
+}
+
+#endif
diff --git a/arch/sparc/kernel/head_32.S b/arch/sparc/kernel/head_32.S
index 439d82a..21bb259 100644
--- a/arch/sparc/kernel/head_32.S
+++ b/arch/sparc/kernel/head_32.S
@@ -811,9 +811,31 @@ found_version:
got_prop:
#ifdef CONFIG_SPARC_LEON
/* no cpu-type check is needed, it is a SPARC-LEON */
+#ifdef CONFIG_SMP
+ ba leon_smp_init
+ nop
+
+ .global leon_smp_init
+leon_smp_init:
+ sethi %hi(boot_cpu_id), %g1 ! master always 0
+ stb %g0, [%g1 + %lo(boot_cpu_id)]
+ sethi %hi(boot_cpu_id4), %g1 ! master always 0
+ stb %g0, [%g1 + %lo(boot_cpu_id4)]
+
+ rd %asr17,%g1
+ srl %g1,28,%g1
+
+ cmp %g0,%g1
+ beq sun4c_continue_boot !continue with master
+ nop
+
+ ba leon_smp_cpu_startup
+ nop
+#else
ba sun4c_continue_boot
nop
#endif
+#endif
set cputypval, %o2
ldub [%o2 + 0x4], %l1
diff --git a/arch/sparc/kernel/iommu.c b/arch/sparc/kernel/iommu.c
index 7690cc2..5fad949 100644
--- a/arch/sparc/kernel/iommu.c
+++ b/arch/sparc/kernel/iommu.c
@@ -11,6 +11,7 @@
#include <linux/dma-mapping.h>
#include <linux/errno.h>
#include <linux/iommu-helper.h>
+#include <linux/bitmap.h>
#ifdef CONFIG_PCI
#include <linux/pci.h>
@@ -169,7 +170,7 @@ void iommu_range_free(struct iommu *iommu, dma_addr_t dma_addr, unsigned long np
entry = (dma_addr - iommu->page_table_map_base) >> IO_PAGE_SHIFT;
- iommu_area_free(arena->map, entry, npages);
+ bitmap_clear(arena->map, entry, npages);
}
int iommu_table_init(struct iommu *iommu, int tsbsize,
diff --git a/arch/sparc/kernel/ioport.c b/arch/sparc/kernel/ioport.c
index 9f61fd8..3c8c44f 100644
--- a/arch/sparc/kernel/ioport.c
+++ b/arch/sparc/kernel/ioport.c
@@ -48,8 +48,13 @@
#include <asm/dma.h>
#include <asm/iommu.h>
#include <asm/io-unit.h>
+#include <asm/leon.h>
+#ifdef CONFIG_SPARC_LEON
+#define mmu_inval_dma_area(p, l) leon_flush_dcache_all()
+#else
#define mmu_inval_dma_area(p, l) /* Anton pulled it out for 2.4.0-xx */
+#endif
static struct resource *_sparc_find_resource(struct resource *r,
unsigned long);
diff --git a/arch/sparc/kernel/irq_64.c b/arch/sparc/kernel/irq_64.c
index 8ab1d47..8d6882b 100644
--- a/arch/sparc/kernel/irq_64.c
+++ b/arch/sparc/kernel/irq_64.c
@@ -176,7 +176,7 @@ int show_interrupts(struct seq_file *p, void *v)
}
if (i < NR_IRQS) {
- spin_lock_irqsave(&irq_desc[i].lock, flags);
+ raw_spin_lock_irqsave(&irq_desc[i].lock, flags);
action = irq_desc[i].action;
if (!action)
goto skip;
@@ -187,7 +187,7 @@ int show_interrupts(struct seq_file *p, void *v)
for_each_online_cpu(j)
seq_printf(p, "%10u ", kstat_irqs_cpu(i, j));
#endif
- seq_printf(p, " %9s", irq_desc[i].chip->typename);
+ seq_printf(p, " %9s", irq_desc[i].chip->name);
seq_printf(p, " %s", action->name);
for (action=action->next; action; action = action->next)
@@ -195,7 +195,7 @@ int show_interrupts(struct seq_file *p, void *v)
seq_putc(p, '\n');
skip:
- spin_unlock_irqrestore(&irq_desc[i].lock, flags);
+ raw_spin_unlock_irqrestore(&irq_desc[i].lock, flags);
} else if (i == NR_IRQS) {
seq_printf(p, "NMI: ");
for_each_online_cpu(j)
@@ -484,7 +484,7 @@ static void sun4v_virq_eoi(unsigned int virt_irq)
}
static struct irq_chip sun4u_irq = {
- .typename = "sun4u",
+ .name = "sun4u",
.enable = sun4u_irq_enable,
.disable = sun4u_irq_disable,
.eoi = sun4u_irq_eoi,
@@ -492,7 +492,7 @@ static struct irq_chip sun4u_irq = {
};
static struct irq_chip sun4v_irq = {
- .typename = "sun4v",
+ .name = "sun4v",
.enable = sun4v_irq_enable,
.disable = sun4v_irq_disable,
.eoi = sun4v_irq_eoi,
@@ -500,7 +500,7 @@ static struct irq_chip sun4v_irq = {
};
static struct irq_chip sun4v_virq = {
- .typename = "vsun4v",
+ .name = "vsun4v",
.enable = sun4v_virq_enable,
.disable = sun4v_virq_disable,
.eoi = sun4v_virq_eoi,
@@ -785,14 +785,14 @@ void fixup_irqs(void)
for (irq = 0; irq < NR_IRQS; irq++) {
unsigned long flags;
- spin_lock_irqsave(&irq_desc[irq].lock, flags);
+ raw_spin_lock_irqsave(&irq_desc[irq].lock, flags);
if (irq_desc[irq].action &&
!(irq_desc[irq].status & IRQ_PER_CPU)) {
if (irq_desc[irq].chip->set_affinity)
irq_desc[irq].chip->set_affinity(irq,
irq_desc[irq].affinity);
}
- spin_unlock_irqrestore(&irq_desc[irq].lock, flags);
+ raw_spin_unlock_irqrestore(&irq_desc[irq].lock, flags);
}
tick_ops->disable_irq();
diff --git a/arch/sparc/kernel/kprobes.c b/arch/sparc/kernel/kprobes.c
index 3bc6527..6716584 100644
--- a/arch/sparc/kernel/kprobes.c
+++ b/arch/sparc/kernel/kprobes.c
@@ -46,6 +46,9 @@ struct kretprobe_blackpoint kretprobe_blacklist[] = {{NULL, NULL}};
int __kprobes arch_prepare_kprobe(struct kprobe *p)
{
+ if ((unsigned long) p->addr & 0x3UL)
+ return -EILSEQ;
+
p->ainsn.insn[0] = *p->addr;
flushi(&p->ainsn.insn[0]);
diff --git a/arch/sparc/kernel/ldc.c b/arch/sparc/kernel/ldc.c
index cb3c72c..df39a0f 100644
--- a/arch/sparc/kernel/ldc.c
+++ b/arch/sparc/kernel/ldc.c
@@ -14,6 +14,7 @@
#include <linux/interrupt.h>
#include <linux/list.h>
#include <linux/init.h>
+#include <linux/bitmap.h>
#include <asm/hypervisor.h>
#include <asm/iommu.h>
@@ -1242,13 +1243,13 @@ int ldc_bind(struct ldc_channel *lp, const char *name)
snprintf(lp->tx_irq_name, LDC_IRQ_NAME_MAX, "%s TX", name);
err = request_irq(lp->cfg.rx_irq, ldc_rx,
- IRQF_SAMPLE_RANDOM | IRQF_DISABLED | IRQF_SHARED,
+ IRQF_SAMPLE_RANDOM | IRQF_DISABLED,
lp->rx_irq_name, lp);
if (err)
return err;
err = request_irq(lp->cfg.tx_irq, ldc_tx,
- IRQF_SAMPLE_RANDOM | IRQF_DISABLED | IRQF_SHARED,
+ IRQF_SAMPLE_RANDOM | IRQF_DISABLED,
lp->tx_irq_name, lp);
if (err) {
free_irq(lp->cfg.rx_irq, lp);
@@ -1875,7 +1876,7 @@ EXPORT_SYMBOL(ldc_read);
static long arena_alloc(struct ldc_iommu *iommu, unsigned long npages)
{
struct iommu_arena *arena = &iommu->arena;
- unsigned long n, i, start, end, limit;
+ unsigned long n, start, end, limit;
int pass;
limit = arena->limit;
@@ -1883,7 +1884,7 @@ static long arena_alloc(struct ldc_iommu *iommu, unsigned long npages)
pass = 0;
again:
- n = find_next_zero_bit(arena->map, limit, start);
+ n = bitmap_find_next_zero_area(arena->map, limit, start, npages, 0);
end = n + npages;
if (unlikely(end >= limit)) {
if (likely(pass < 1)) {
@@ -1896,16 +1897,7 @@ again:
return -1;
}
}
-
- for (i = n; i < end; i++) {
- if (test_bit(i, arena->map)) {
- start = i + 1;
- goto again;
- }
- }
-
- for (i = n; i < end; i++)
- __set_bit(i, arena->map);
+ bitmap_set(arena->map, n, npages);
arena->hint = end;
diff --git a/arch/sparc/kernel/leon_kernel.c b/arch/sparc/kernel/leon_kernel.c
index 54d8a5b..87f1760 100644
--- a/arch/sparc/kernel/leon_kernel.c
+++ b/arch/sparc/kernel/leon_kernel.c
@@ -12,11 +12,14 @@
#include <linux/of_platform.h>
#include <linux/interrupt.h>
#include <linux/of_device.h>
+
#include <asm/oplib.h>
#include <asm/timer.h>
#include <asm/prom.h>
#include <asm/leon.h>
#include <asm/leon_amba.h>
+#include <asm/traps.h>
+#include <asm/cacheflush.h>
#include "prom.h"
#include "irq.h"
@@ -115,6 +118,21 @@ void __init leon_init_timers(irq_handler_t counter_fn)
(((1000000 / 100) - 1)));
LEON3_BYPASS_STORE_PA(&leon3_gptimer_regs->e[0].ctrl, 0);
+#ifdef CONFIG_SMP
+ leon_percpu_timer_dev[0].start = (int)leon3_gptimer_regs;
+ leon_percpu_timer_dev[0].irq = leon3_gptimer_irq+1;
+
+ if (!(LEON3_BYPASS_LOAD_PA(&leon3_gptimer_regs->config) &
+ (1<<LEON3_GPTIMER_SEPIRQ))) {
+ prom_printf("irq timer not configured with seperate irqs \n");
+ BUG();
+ }
+
+ LEON3_BYPASS_STORE_PA(&leon3_gptimer_regs->e[1].val, 0);
+ LEON3_BYPASS_STORE_PA(&leon3_gptimer_regs->e[1].rld, (((1000000/100) - 1)));
+ LEON3_BYPASS_STORE_PA(&leon3_gptimer_regs->e[1].ctrl, 0);
+# endif
+
} else {
printk(KERN_ERR "No Timer/irqctrl found\n");
BUG();
@@ -130,11 +148,41 @@ void __init leon_init_timers(irq_handler_t counter_fn)
prom_halt();
}
+# ifdef CONFIG_SMP
+ {
+ unsigned long flags;
+ struct tt_entry *trap_table = &sparc_ttable[SP_TRAP_IRQ1 + (leon_percpu_timer_dev[0].irq - 1)];
+
+ /* For SMP we use the level 14 ticker, however the bootup code
+ * has copied the firmwares level 14 vector into boot cpu's
+ * trap table, we must fix this now or we get squashed.
+ */
+ local_irq_save(flags);
+
+ patchme_maybe_smp_msg[0] = 0x01000000; /* NOP out the branch */
+
+ /* Adjust so that we jump directly to smpleon_ticker */
+ trap_table->inst_three += smpleon_ticker - real_irq_entry;
+
+ local_flush_cache_all();
+ local_irq_restore(flags);
+ }
+# endif
+
if (leon3_gptimer_regs) {
LEON3_BYPASS_STORE_PA(&leon3_gptimer_regs->e[0].ctrl,
LEON3_GPTIMER_EN |
LEON3_GPTIMER_RL |
LEON3_GPTIMER_LD | LEON3_GPTIMER_IRQEN);
+
+#ifdef CONFIG_SMP
+ LEON3_BYPASS_STORE_PA(&leon3_gptimer_regs->e[1].ctrl,
+ LEON3_GPTIMER_EN |
+ LEON3_GPTIMER_RL |
+ LEON3_GPTIMER_LD |
+ LEON3_GPTIMER_IRQEN);
+#endif
+
}
}
@@ -175,6 +223,42 @@ void __init leon_node_init(struct device_node *dp, struct device_node ***nextp)
}
}
+#ifdef CONFIG_SMP
+
+void leon_set_cpu_int(int cpu, int level)
+{
+ unsigned long mask;
+ mask = get_irqmask(level);
+ LEON3_BYPASS_STORE_PA(&leon3_irqctrl_regs->force[cpu], mask);
+}
+
+static void leon_clear_ipi(int cpu, int level)
+{
+ unsigned long mask;
+ mask = get_irqmask(level);
+ LEON3_BYPASS_STORE_PA(&leon3_irqctrl_regs->force[cpu], mask<<16);
+}
+
+static void leon_set_udt(int cpu)
+{
+}
+
+void leon_clear_profile_irq(int cpu)
+{
+}
+
+void leon_enable_irq_cpu(unsigned int irq_nr, unsigned int cpu)
+{
+ unsigned long mask, flags, *addr;
+ mask = get_irqmask(irq_nr);
+ local_irq_save(flags);
+ addr = (unsigned long *)&(leon3_irqctrl_regs->mask[cpu]);
+ LEON3_BYPASS_STORE_PA(addr, (LEON3_BYPASS_LOAD_PA(addr) | (mask)));
+ local_irq_restore(flags);
+}
+
+#endif
+
void __init leon_init_IRQ(void)
{
sparc_init_timers = leon_init_timers;
diff --git a/arch/sparc/kernel/leon_smp.c b/arch/sparc/kernel/leon_smp.c
new file mode 100644
index 0000000..05c0dad
--- /dev/null
+++ b/arch/sparc/kernel/leon_smp.c
@@ -0,0 +1,468 @@
+/* leon_smp.c: Sparc-Leon SMP support.
+ *
+ * based on sun4m_smp.c
+ * Copyright (C) 1996 David S. Miller (davem@caip.rutgers.edu)
+ * Copyright (C) 2009 Daniel Hellstrom (daniel@gaisler.com) Aeroflex Gaisler AB
+ * Copyright (C) 2009 Konrad Eisele (konrad@gaisler.com) Aeroflex Gaisler AB
+ */
+
+#include <asm/head.h>
+
+#include <linux/kernel.h>
+#include <linux/sched.h>
+#include <linux/threads.h>
+#include <linux/smp.h>
+#include <linux/smp_lock.h>
+#include <linux/interrupt.h>
+#include <linux/kernel_stat.h>
+#include <linux/init.h>
+#include <linux/spinlock.h>
+#include <linux/mm.h>
+#include <linux/swap.h>
+#include <linux/profile.h>
+#include <linux/pm.h>
+#include <linux/delay.h>
+
+#include <asm/cacheflush.h>
+#include <asm/tlbflush.h>
+
+#include <asm/ptrace.h>
+#include <asm/atomic.h>
+#include <asm/irq_regs.h>
+
+#include <asm/delay.h>
+#include <asm/irq.h>
+#include <asm/page.h>
+#include <asm/pgalloc.h>
+#include <asm/pgtable.h>
+#include <asm/oplib.h>
+#include <asm/cpudata.h>
+#include <asm/asi.h>
+#include <asm/leon.h>
+#include <asm/leon_amba.h>
+
+#ifdef CONFIG_SPARC_LEON
+
+#include "irq.h"
+
+extern ctxd_t *srmmu_ctx_table_phys;
+static int smp_processors_ready;
+extern volatile unsigned long cpu_callin_map[NR_CPUS];
+extern unsigned char boot_cpu_id;
+extern cpumask_t smp_commenced_mask;
+void __init leon_configure_cache_smp(void);
+
+static inline unsigned long do_swap(volatile unsigned long *ptr,
+ unsigned long val)
+{
+ __asm__ __volatile__("swapa [%1] %2, %0\n\t" : "=&r"(val)
+ : "r"(ptr), "i"(ASI_LEON_DCACHE_MISS)
+ : "memory");
+ return val;
+}
+
+static void smp_setup_percpu_timer(void);
+
+void __cpuinit leon_callin(void)
+{
+ int cpuid = hard_smpleon_processor_id();
+
+ local_flush_cache_all();
+ local_flush_tlb_all();
+ leon_configure_cache_smp();
+
+ /* Get our local ticker going. */
+ smp_setup_percpu_timer();
+
+ calibrate_delay();
+ smp_store_cpu_info(cpuid);
+
+ local_flush_cache_all();
+ local_flush_tlb_all();
+
+ /*
+ * Unblock the master CPU _only_ when the scheduler state
+ * of all secondary CPUs will be up-to-date, so after
+ * the SMP initialization the master will be just allowed
+ * to call the scheduler code.
+ * Allow master to continue.
+ */
+ do_swap(&cpu_callin_map[cpuid], 1);
+
+ local_flush_cache_all();
+ local_flush_tlb_all();
+
+ cpu_probe();
+
+ /* Fix idle thread fields. */
+ __asm__ __volatile__("ld [%0], %%g6\n\t" : : "r"(&current_set[cpuid])
+ : "memory" /* paranoid */);
+
+ /* Attach to the address space of init_task. */
+ atomic_inc(&init_mm.mm_count);
+ current->active_mm = &init_mm;
+
+ while (!cpu_isset(cpuid, smp_commenced_mask))
+ mb();
+
+ local_irq_enable();
+ cpu_set(cpuid, cpu_online_map);
+}
+
+/*
+ * Cycle through the processors asking the PROM to start each one.
+ */
+
+extern struct linux_prom_registers smp_penguin_ctable;
+
+void __init leon_configure_cache_smp(void)
+{
+ unsigned long cfg = sparc_leon3_get_dcachecfg();
+ int me = smp_processor_id();
+
+ if (ASI_LEON3_SYSCTRL_CFG_SSIZE(cfg) > 4) {
+ printk(KERN_INFO "Note: SMP with snooping only works on 4k cache, found %dk(0x%x) on cpu %d, disabling caches\n",
+ (unsigned int)ASI_LEON3_SYSCTRL_CFG_SSIZE(cfg),
+ (unsigned int)cfg, (unsigned int)me);
+ sparc_leon3_disable_cache();
+ } else {
+ if (cfg & ASI_LEON3_SYSCTRL_CFG_SNOOPING) {
+ sparc_leon3_enable_snooping();
+ } else {
+ printk(KERN_INFO "Note: You have to enable snooping in the vhdl model cpu %d, disabling caches\n",
+ me);
+ sparc_leon3_disable_cache();
+ }
+ }
+
+ local_flush_cache_all();
+ local_flush_tlb_all();
+}
+
+void leon_smp_setbroadcast(unsigned int mask)
+{
+ int broadcast =
+ ((LEON3_BYPASS_LOAD_PA(&(leon3_irqctrl_regs->mpstatus)) >>
+ LEON3_IRQMPSTATUS_BROADCAST) & 1);
+ if (!broadcast) {
+ prom_printf("######## !!!! The irqmp-ctrl must have broadcast enabled, smp wont work !!!!! ####### nr cpus: %d\n",
+ leon_smp_nrcpus());
+ if (leon_smp_nrcpus() > 1) {
+ BUG();
+ } else {
+ prom_printf("continue anyway\n");
+ return;
+ }
+ }
+ LEON_BYPASS_STORE_PA(&(leon3_irqctrl_regs->mpbroadcast), mask);
+}
+
+unsigned int leon_smp_getbroadcast(void)
+{
+ unsigned int mask;
+ mask = LEON_BYPASS_LOAD_PA(&(leon3_irqctrl_regs->mpbroadcast));
+ return mask;
+}
+
+int leon_smp_nrcpus(void)
+{
+ int nrcpu =
+ ((LEON3_BYPASS_LOAD_PA(&(leon3_irqctrl_regs->mpstatus)) >>
+ LEON3_IRQMPSTATUS_CPUNR) & 0xf) + 1;
+ return nrcpu;
+}
+
+void __init leon_boot_cpus(void)
+{
+ int nrcpu = leon_smp_nrcpus();
+ int me = smp_processor_id();
+
+ printk(KERN_INFO "%d:(%d:%d) cpus mpirq at 0x%x \n", (unsigned int)me,
+ (unsigned int)nrcpu, (unsigned int)NR_CPUS,
+ (unsigned int)&(leon3_irqctrl_regs->mpstatus));
+
+ leon_enable_irq_cpu(LEON3_IRQ_CROSS_CALL, me);
+ leon_enable_irq_cpu(LEON3_IRQ_TICKER, me);
+ leon_enable_irq_cpu(LEON3_IRQ_RESCHEDULE, me);
+
+ leon_smp_setbroadcast(1 << LEON3_IRQ_TICKER);
+
+ leon_configure_cache_smp();
+ smp_setup_percpu_timer();
+ local_flush_cache_all();
+
+}
+
+int __cpuinit leon_boot_one_cpu(int i)
+{
+
+ struct task_struct *p;
+ int timeout;
+
+ /* Cook up an idler for this guy. */
+ p = fork_idle(i);
+
+ current_set[i] = task_thread_info(p);
+
+ /* See trampoline.S:leon_smp_cpu_startup for details...
+ * Initialize the contexts table
+ * Since the call to prom_startcpu() trashes the structure,
+ * we need to re-initialize it for each cpu
+ */
+ smp_penguin_ctable.which_io = 0;
+ smp_penguin_ctable.phys_addr = (unsigned int)srmmu_ctx_table_phys;
+ smp_penguin_ctable.reg_size = 0;
+
+ /* whirrr, whirrr, whirrrrrrrrr... */
+ printk(KERN_INFO "Starting CPU %d : (irqmp: 0x%x)\n", (unsigned int)i,
+ (unsigned int)&leon3_irqctrl_regs->mpstatus);
+ local_flush_cache_all();
+
+ LEON_BYPASS_STORE_PA(&(leon3_irqctrl_regs->mpstatus), 1 << i);
+
+ /* wheee... it's going... */
+ for (timeout = 0; timeout < 10000; timeout++) {
+ if (cpu_callin_map[i])
+ break;
+ udelay(200);
+ }
+ printk(KERN_INFO "Started CPU %d \n", (unsigned int)i);
+
+ if (!(cpu_callin_map[i])) {
+ printk(KERN_ERR "Processor %d is stuck.\n", i);
+ return -ENODEV;
+ } else {
+ leon_enable_irq_cpu(LEON3_IRQ_CROSS_CALL, i);
+ leon_enable_irq_cpu(LEON3_IRQ_TICKER, i);
+ leon_enable_irq_cpu(LEON3_IRQ_RESCHEDULE, i);
+ }
+
+ local_flush_cache_all();
+ return 0;
+}
+
+void __init leon_smp_done(void)
+{
+
+ int i, first;
+ int *prev;
+
+ /* setup cpu list for irq rotation */
+ first = 0;
+ prev = &first;
+ for (i = 0; i < NR_CPUS; i++) {
+ if (cpu_online(i)) {
+ *prev = i;
+ prev = &cpu_data(i).next;
+ }
+ }
+ *prev = first;
+ local_flush_cache_all();
+
+ /* Free unneeded trap tables */
+ if (!cpu_isset(1, cpu_present_map)) {
+ ClearPageReserved(virt_to_page(trapbase_cpu1));
+ init_page_count(virt_to_page(trapbase_cpu1));
+ free_page((unsigned long)trapbase_cpu1);
+ totalram_pages++;
+ num_physpages++;
+ }
+ if (!cpu_isset(2, cpu_present_map)) {
+ ClearPageReserved(virt_to_page(trapbase_cpu2));
+ init_page_count(virt_to_page(trapbase_cpu2));
+ free_page((unsigned long)trapbase_cpu2);
+ totalram_pages++;
+ num_physpages++;
+ }
+ if (!cpu_isset(3, cpu_present_map)) {
+ ClearPageReserved(virt_to_page(trapbase_cpu3));
+ init_page_count(virt_to_page(trapbase_cpu3));
+ free_page((unsigned long)trapbase_cpu3);
+ totalram_pages++;
+ num_physpages++;
+ }
+ /* Ok, they are spinning and ready to go. */
+ smp_processors_ready = 1;
+
+}
+
+void leon_irq_rotate(int cpu)
+{
+}
+
+static struct smp_funcall {
+ smpfunc_t func;
+ unsigned long arg1;
+ unsigned long arg2;
+ unsigned long arg3;
+ unsigned long arg4;
+ unsigned long arg5;
+ unsigned long processors_in[NR_CPUS]; /* Set when ipi entered. */
+ unsigned long processors_out[NR_CPUS]; /* Set when ipi exited. */
+} ccall_info;
+
+static DEFINE_SPINLOCK(cross_call_lock);
+
+/* Cross calls must be serialized, at least currently. */
+static void leon_cross_call(smpfunc_t func, cpumask_t mask, unsigned long arg1,
+ unsigned long arg2, unsigned long arg3,
+ unsigned long arg4)
+{
+ if (smp_processors_ready) {
+ register int high = NR_CPUS - 1;
+ unsigned long flags;
+
+ spin_lock_irqsave(&cross_call_lock, flags);
+
+ {
+ /* If you make changes here, make sure gcc generates proper code... */
+ register smpfunc_t f asm("i0") = func;
+ register unsigned long a1 asm("i1") = arg1;
+ register unsigned long a2 asm("i2") = arg2;
+ register unsigned long a3 asm("i3") = arg3;
+ register unsigned long a4 asm("i4") = arg4;
+ register unsigned long a5 asm("i5") = 0;
+
+ __asm__ __volatile__("std %0, [%6]\n\t"
+ "std %2, [%6 + 8]\n\t"
+ "std %4, [%6 + 16]\n\t" : :
+ "r"(f), "r"(a1), "r"(a2), "r"(a3),
+ "r"(a4), "r"(a5),
+ "r"(&ccall_info.func));
+ }
+
+ /* Init receive/complete mapping, plus fire the IPI's off. */
+ {
+ register int i;
+
+ cpu_clear(smp_processor_id(), mask);
+ cpus_and(mask, cpu_online_map, mask);
+ for (i = 0; i <= high; i++) {
+ if (cpu_isset(i, mask)) {
+ ccall_info.processors_in[i] = 0;
+ ccall_info.processors_out[i] = 0;
+ set_cpu_int(i, LEON3_IRQ_CROSS_CALL);
+
+ }
+ }
+ }
+
+ {
+ register int i;
+
+ i = 0;
+ do {
+ if (!cpu_isset(i, mask))
+ continue;
+
+ while (!ccall_info.processors_in[i])
+ barrier();
+ } while (++i <= high);
+
+ i = 0;
+ do {
+ if (!cpu_isset(i, mask))
+ continue;
+
+ while (!ccall_info.processors_out[i])
+ barrier();
+ } while (++i <= high);
+ }
+
+ spin_unlock_irqrestore(&cross_call_lock, flags);
+ }
+}
+
+/* Running cross calls. */
+void leon_cross_call_irq(void)
+{
+ int i = smp_processor_id();
+
+ ccall_info.processors_in[i] = 1;
+ ccall_info.func(ccall_info.arg1, ccall_info.arg2, ccall_info.arg3,
+ ccall_info.arg4, ccall_info.arg5);
+ ccall_info.processors_out[i] = 1;
+}
+
+void leon_percpu_timer_interrupt(struct pt_regs *regs)
+{
+ struct pt_regs *old_regs;
+ int cpu = smp_processor_id();
+
+ old_regs = set_irq_regs(regs);
+
+ leon_clear_profile_irq(cpu);
+
+ profile_tick(CPU_PROFILING);
+
+ if (!--prof_counter(cpu)) {
+ int user = user_mode(regs);
+
+ irq_enter();
+ update_process_times(user);
+ irq_exit();
+
+ prof_counter(cpu) = prof_multiplier(cpu);
+ }
+ set_irq_regs(old_regs);
+}
+
+static void __init smp_setup_percpu_timer(void)
+{
+ int cpu = smp_processor_id();
+
+ prof_counter(cpu) = prof_multiplier(cpu) = 1;
+}
+
+void __init leon_blackbox_id(unsigned *addr)
+{
+ int rd = *addr & 0x3e000000;
+ int rs1 = rd >> 11;
+
+ /* patch places where ___b_hard_smp_processor_id appears */
+ addr[0] = 0x81444000 | rd; /* rd %asr17, reg */
+ addr[1] = 0x8130201c | rd | rs1; /* srl reg, 0x1c, reg */
+ addr[2] = 0x01000000; /* nop */
+}
+
+void __init leon_blackbox_current(unsigned *addr)
+{
+ int rd = *addr & 0x3e000000;
+ int rs1 = rd >> 11;
+
+ /* patch LOAD_CURRENT macro where ___b_load_current appears */
+ addr[0] = 0x81444000 | rd; /* rd %asr17, reg */
+ addr[2] = 0x8130201c | rd | rs1; /* srl reg, 0x1c, reg */
+ addr[4] = 0x81282002 | rd | rs1; /* sll reg, 0x2, reg */
+
+}
+
+/*
+ * CPU idle callback function
+ * See .../arch/sparc/kernel/process.c
+ */
+void pmc_leon_idle(void)
+{
+ __asm__ volatile ("mov %g0, %asr19");
+}
+
+void __init leon_init_smp(void)
+{
+ /* Patch ipi15 trap table */
+ t_nmi[1] = t_nmi[1] + (linux_trap_ipi15_leon - linux_trap_ipi15_sun4m);
+
+ BTFIXUPSET_BLACKBOX(hard_smp_processor_id, leon_blackbox_id);
+ BTFIXUPSET_BLACKBOX(load_current, leon_blackbox_current);
+ BTFIXUPSET_CALL(smp_cross_call, leon_cross_call, BTFIXUPCALL_NORM);
+ BTFIXUPSET_CALL(__hard_smp_processor_id, __leon_processor_id,
+ BTFIXUPCALL_NORM);
+
+#ifndef PMC_NO_IDLE
+ /* Assign power management IDLE handler */
+ pm_idle = pmc_leon_idle;
+ printk(KERN_INFO "leon: power management initialized\n");
+#endif
+
+}
+
+#endif /* CONFIG_SPARC_LEON */
diff --git a/arch/sparc/kernel/mdesc.c b/arch/sparc/kernel/mdesc.c
index 938da19..cdc91d9 100644
--- a/arch/sparc/kernel/mdesc.c
+++ b/arch/sparc/kernel/mdesc.c
@@ -10,6 +10,7 @@
#include <linux/slab.h>
#include <linux/mm.h>
#include <linux/miscdevice.h>
+#include <linux/bootmem.h>
#include <asm/cpudata.h>
#include <asm/hypervisor.h>
@@ -108,25 +109,15 @@ static struct mdesc_handle * __init mdesc_lmb_alloc(unsigned int mdesc_size)
static void mdesc_lmb_free(struct mdesc_handle *hp)
{
- unsigned int alloc_size, handle_size = hp->handle_size;
- unsigned long start, end;
+ unsigned int alloc_size;
+ unsigned long start;
BUG_ON(atomic_read(&hp->refcnt) != 0);
BUG_ON(!list_empty(&hp->list));
- alloc_size = PAGE_ALIGN(handle_size);
-
- start = (unsigned long) hp;
- end = start + alloc_size;
-
- while (start < end) {
- struct page *p;
-
- p = virt_to_page(start);
- ClearPageReserved(p);
- __free_page(p);
- start += PAGE_SIZE;
- }
+ alloc_size = PAGE_ALIGN(hp->handle_size);
+ start = __pa(hp);
+ free_bootmem_late(start, alloc_size);
}
static struct mdesc_mem_ops lmb_mdesc_ops = {
diff --git a/arch/sparc/kernel/nmi.c b/arch/sparc/kernel/nmi.c
index b129611..d242a73 100644
--- a/arch/sparc/kernel/nmi.c
+++ b/arch/sparc/kernel/nmi.c
@@ -47,7 +47,7 @@ static DEFINE_PER_CPU(short, wd_enabled);
static int endflag __initdata;
static DEFINE_PER_CPU(unsigned int, last_irq_sum);
-static DEFINE_PER_CPU(local_t, alert_counter);
+static DEFINE_PER_CPU(long, alert_counter);
static DEFINE_PER_CPU(int, nmi_touch);
void touch_nmi_watchdog(void)
@@ -96,7 +96,6 @@ notrace __kprobes void perfctr_irq(int irq, struct pt_regs *regs)
int cpu = smp_processor_id();
clear_softint(1 << irq);
- pcr_ops->write(PCR_PIC_PRIV);
local_cpu_data().__nmi_count++;
@@ -105,6 +104,8 @@ notrace __kprobes void perfctr_irq(int irq, struct pt_regs *regs)
if (notify_die(DIE_NMI, "nmi", regs, 0,
pt_regs_trap_type(regs), SIGINT) == NOTIFY_STOP)
touched = 1;
+ else
+ pcr_ops->write(PCR_PIC_PRIV);
sum = kstat_irqs_cpu(0, cpu);
if (__get_cpu_var(nmi_touch)) {
@@ -112,13 +113,13 @@ notrace __kprobes void perfctr_irq(int irq, struct pt_regs *regs)
touched = 1;
}
if (!touched && __get_cpu_var(last_irq_sum) == sum) {
- local_inc(&__get_cpu_var(alert_counter));
- if (local_read(&__get_cpu_var(alert_counter)) == 30 * nmi_hz)
+ __this_cpu_inc(per_cpu_var(alert_counter));
+ if (__this_cpu_read(per_cpu_var(alert_counter)) == 30 * nmi_hz)
die_nmi("BUG: NMI Watchdog detected LOCKUP",
regs, panic_on_timeout);
} else {
__get_cpu_var(last_irq_sum) = sum;
- local_set(&__get_cpu_var(alert_counter), 0);
+ __this_cpu_write(per_cpu_var(alert_counter), 0);
}
if (__get_cpu_var(wd_enabled)) {
write_pic(picl_value(nmi_hz));
diff --git a/arch/sparc/kernel/of_device_64.c b/arch/sparc/kernel/of_device_64.c
index 036f18a..b3d4cb5 100644
--- a/arch/sparc/kernel/of_device_64.c
+++ b/arch/sparc/kernel/of_device_64.c
@@ -104,9 +104,19 @@ static int of_bus_pci_map(u32 *addr, const u32 *range,
int i;
/* Check address type match */
- if ((addr[0] ^ range[0]) & 0x03000000)
- return -EINVAL;
+ if (!((addr[0] ^ range[0]) & 0x03000000))
+ goto type_match;
+
+ /* Special exception, we can map a 64-bit address into
+ * a 32-bit range.
+ */
+ if ((addr[0] & 0x03000000) == 0x03000000 &&
+ (range[0] & 0x03000000) == 0x02000000)
+ goto type_match;
+
+ return -EINVAL;
+type_match:
if (of_out_of_range(addr + 1, range + 1, range + na + pna,
na - 1, ns))
return -EINVAL;
diff --git a/arch/sparc/kernel/pci.c b/arch/sparc/kernel/pci.c
index c686486..539e83f 100644
--- a/arch/sparc/kernel/pci.c
+++ b/arch/sparc/kernel/pci.c
@@ -1064,7 +1064,6 @@ int pci64_dma_supported(struct pci_dev *pdev, u64 device_mask)
return (device_mask & dma_addr_mask) == dma_addr_mask;
}
-EXPORT_SYMBOL(pci_dma_supported);
void pci_resource_to_user(const struct pci_dev *pdev, int bar,
const struct resource *rp, resource_size_t *start,
@@ -1081,3 +1080,10 @@ void pci_resource_to_user(const struct pci_dev *pdev, int bar,
*start = rp->start - offset;
*end = rp->end - offset;
}
+
+static int __init pcibios_init(void)
+{
+ pci_dfl_cache_line_size = 64 >> 2;
+ return 0;
+}
+subsys_initcall(pcibios_init);
diff --git a/arch/sparc/kernel/pci_msi.c b/arch/sparc/kernel/pci_msi.c
index f1be37a..e1b0541 100644
--- a/arch/sparc/kernel/pci_msi.c
+++ b/arch/sparc/kernel/pci_msi.c
@@ -112,7 +112,7 @@ static void free_msi(struct pci_pbm_info *pbm, int msi_num)
}
static struct irq_chip msi_irq = {
- .typename = "PCI-MSI",
+ .name = "PCI-MSI",
.mask = mask_msi_irq,
.unmask = unmask_msi_irq,
.enable = unmask_msi_irq,
diff --git a/arch/sparc/kernel/perf_event.c b/arch/sparc/kernel/perf_event.c
index fa5936e..198fb4e 100644
--- a/arch/sparc/kernel/perf_event.c
+++ b/arch/sparc/kernel/perf_event.c
@@ -986,6 +986,17 @@ static int __kprobes perf_event_nmi_handler(struct notifier_block *self,
data.addr = 0;
cpuc = &__get_cpu_var(cpu_hw_events);
+
+ /* If the PMU has the TOE IRQ enable bits, we need to do a
+ * dummy write to the %pcr to clear the overflow bits and thus
+ * the interrupt.
+ *
+ * Do this before we peek at the counters to determine
+ * overflow so we don't lose any events.
+ */
+ if (sparc_pmu->irq_bit)
+ pcr_ops->write(cpuc->pcr);
+
for (idx = 0; idx < MAX_HWEVENTS; idx++) {
struct perf_event *event = cpuc->events[idx];
struct hw_perf_event *hwc;
diff --git a/arch/sparc/kernel/ptrace_64.c b/arch/sparc/kernel/ptrace_64.c
index 4ae91dc..2f6524d 100644
--- a/arch/sparc/kernel/ptrace_64.c
+++ b/arch/sparc/kernel/ptrace_64.c
@@ -23,6 +23,7 @@
#include <linux/signal.h>
#include <linux/regset.h>
#include <linux/tracehook.h>
+#include <trace/syscall.h>
#include <linux/compat.h>
#include <linux/elf.h>
@@ -37,6 +38,9 @@
#include <asm/cpudata.h>
#include <asm/cacheflush.h>
+#define CREATE_TRACE_POINTS
+#include <trace/events/syscalls.h>
+
#include "entry.h"
/* #define ALLOW_INIT_TRACING */
@@ -1059,6 +1063,9 @@ asmlinkage int syscall_trace_enter(struct pt_regs *regs)
if (test_thread_flag(TIF_SYSCALL_TRACE))
ret = tracehook_report_syscall_entry(regs);
+ if (unlikely(test_thread_flag(TIF_SYSCALL_TRACEPOINT)))
+ trace_sys_enter(regs, regs->u_regs[UREG_G1]);
+
if (unlikely(current->audit_context) && !ret)
audit_syscall_entry((test_thread_flag(TIF_32BIT) ?
AUDIT_ARCH_SPARC :
@@ -1084,6 +1091,9 @@ asmlinkage void syscall_trace_leave(struct pt_regs *regs)
audit_syscall_exit(result, regs->u_regs[UREG_I0]);
}
+ if (unlikely(test_thread_flag(TIF_SYSCALL_TRACEPOINT)))
+ trace_sys_exit(regs, regs->u_regs[UREG_G1]);
+
if (test_thread_flag(TIF_SYSCALL_TRACE))
tracehook_report_syscall_exit(regs, 0);
}
diff --git a/arch/sparc/kernel/setup_64.c b/arch/sparc/kernel/setup_64.c
index 2118033..a2a79e7 100644
--- a/arch/sparc/kernel/setup_64.c
+++ b/arch/sparc/kernel/setup_64.c
@@ -46,6 +46,7 @@
#include <asm/setup.h>
#include <asm/mmu.h>
#include <asm/ns87303.h>
+#include <asm/btext.h>
#ifdef CONFIG_IP_PNP
#include <net/ipconfig.h>
@@ -286,7 +287,10 @@ void __init setup_arch(char **cmdline_p)
parse_early_param();
boot_flags_init(*cmdline_p);
- register_console(&prom_early_console);
+#ifdef CONFIG_EARLYFB
+ if (btext_find_display())
+#endif
+ register_console(&prom_early_console);
if (tlb_type == hypervisor)
printk("ARCH: SUN4V\n");
diff --git a/arch/sparc/kernel/smp_32.c b/arch/sparc/kernel/smp_32.c
index 132d81f..91c10fb 100644
--- a/arch/sparc/kernel/smp_32.c
+++ b/arch/sparc/kernel/smp_32.c
@@ -32,6 +32,7 @@
#include <asm/cacheflush.h>
#include <asm/tlbflush.h>
#include <asm/cpudata.h>
+#include <asm/leon.h>
#include "irq.h"
@@ -96,6 +97,9 @@ void __init smp_cpus_done(unsigned int max_cpus)
case sun4d:
smp4d_smp_done();
break;
+ case sparc_leon:
+ leon_smp_done();
+ break;
case sun4e:
printk("SUN4E\n");
BUG();
@@ -306,6 +310,9 @@ void __init smp_prepare_cpus(unsigned int max_cpus)
case sun4d:
smp4d_boot_cpus();
break;
+ case sparc_leon:
+ leon_boot_cpus();
+ break;
case sun4e:
printk("SUN4E\n");
BUG();
@@ -376,6 +383,9 @@ int __cpuinit __cpu_up(unsigned int cpu)
case sun4d:
ret = smp4d_boot_one_cpu(cpu);
break;
+ case sparc_leon:
+ ret = leon_boot_one_cpu(cpu);
+ break;
case sun4e:
printk("SUN4E\n");
BUG();
diff --git a/arch/sparc/kernel/sparc_ksyms_64.c b/arch/sparc/kernel/sparc_ksyms_64.c
index 0f26066..372ad59 100644
--- a/arch/sparc/kernel/sparc_ksyms_64.c
+++ b/arch/sparc/kernel/sparc_ksyms_64.c
@@ -38,17 +38,5 @@ EXPORT_SYMBOL(sun4v_niagara_setperf);
EXPORT_SYMBOL(sun4v_niagara2_getperf);
EXPORT_SYMBOL(sun4v_niagara2_setperf);
-#ifdef CONFIG_PCI
-/* inline functions in asm/pci_64.h */
-EXPORT_SYMBOL(pci_alloc_consistent);
-EXPORT_SYMBOL(pci_free_consistent);
-EXPORT_SYMBOL(pci_map_single);
-EXPORT_SYMBOL(pci_unmap_single);
-EXPORT_SYMBOL(pci_map_sg);
-EXPORT_SYMBOL(pci_unmap_sg);
-EXPORT_SYMBOL(pci_dma_sync_single_for_cpu);
-EXPORT_SYMBOL(pci_dma_sync_sg_for_cpu);
-#endif
-
/* Exporting a symbol from /init/main.c */
EXPORT_SYMBOL(saved_command_line);
diff --git a/arch/sparc/kernel/sys_sparc32.c b/arch/sparc/kernel/sys_sparc32.c
index 04e28b2..dc0ac19 100644
--- a/arch/sparc/kernel/sys_sparc32.c
+++ b/arch/sparc/kernel/sys_sparc32.c
@@ -26,11 +26,6 @@
#include <linux/nfs_fs.h>
#include <linux/quota.h>
#include <linux/module.h>
-#include <linux/sunrpc/svc.h>
-#include <linux/nfsd/nfsd.h>
-#include <linux/nfsd/cache.h>
-#include <linux/nfsd/xdr.h>
-#include <linux/nfsd/syscall.h>
#include <linux/poll.h>
#include <linux/personality.h>
#include <linux/stat.h>
@@ -569,85 +564,6 @@ asmlinkage long sparc32_open(const char __user *filename,
return do_sys_open(AT_FDCWD, filename, flags, mode);
}
-extern unsigned long do_mremap(unsigned long addr,
- unsigned long old_len, unsigned long new_len,
- unsigned long flags, unsigned long new_addr);
-
-asmlinkage unsigned long sys32_mremap(unsigned long addr,
- unsigned long old_len, unsigned long new_len,
- unsigned long flags, u32 __new_addr)
-{
- unsigned long ret = -EINVAL;
- unsigned long new_addr = __new_addr;
-
- if (unlikely(sparc_mmap_check(addr, old_len)))
- goto out;
- if (unlikely(sparc_mmap_check(new_addr, new_len)))
- goto out;
- down_write(&current->mm->mmap_sem);
- ret = do_mremap(addr, old_len, new_len, flags, new_addr);
- up_write(&current->mm->mmap_sem);
-out:
- return ret;
-}
-
-struct __sysctl_args32 {
- u32 name;
- int nlen;
- u32 oldval;
- u32 oldlenp;
- u32 newval;
- u32 newlen;
- u32 __unused[4];
-};
-
-asmlinkage long sys32_sysctl(struct __sysctl_args32 __user *args)
-{
-#ifndef CONFIG_SYSCTL_SYSCALL
- return -ENOSYS;
-#else
- struct __sysctl_args32 tmp;
- int error;
- size_t oldlen, __user *oldlenp = NULL;
- unsigned long addr = (((unsigned long)&args->__unused[0]) + 7UL) & ~7UL;
-
- if (copy_from_user(&tmp, args, sizeof(tmp)))
- return -EFAULT;
-
- if (tmp.oldval && tmp.oldlenp) {
- /* Duh, this is ugly and might not work if sysctl_args
- is in read-only memory, but do_sysctl does indirectly
- a lot of uaccess in both directions and we'd have to
- basically copy the whole sysctl.c here, and
- glibc's __sysctl uses rw memory for the structure
- anyway. */
- if (get_user(oldlen, (u32 __user *)(unsigned long)tmp.oldlenp) ||
- put_user(oldlen, (size_t __user *)addr))
- return -EFAULT;
- oldlenp = (size_t __user *)addr;
- }
-
- lock_kernel();
- error = do_sysctl((int __user *)(unsigned long) tmp.name,
- tmp.nlen,
- (void __user *)(unsigned long) tmp.oldval,
- oldlenp,
- (void __user *)(unsigned long) tmp.newval,
- tmp.newlen);
- unlock_kernel();
- if (oldlenp) {
- if (!error) {
- if (get_user(oldlen, (size_t __user *)addr) ||
- put_user(oldlen, (u32 __user *)(unsigned long) tmp.oldlenp))
- error = -EFAULT;
- }
- if (copy_to_user(args->__unused, tmp.__unused, sizeof(tmp.__unused)))
- error = -EFAULT;
- }
- return error;
-#endif
-}
-
long sys32_lookup_dcookie(unsigned long cookie_high,
unsigned long cookie_low,
char __user *buf, size_t len)
diff --git a/arch/sparc/kernel/sys_sparc_32.c b/arch/sparc/kernel/sys_sparc_32.c
index 03035c8..3a82e65 100644
--- a/arch/sparc/kernel/sys_sparc_32.c
+++ b/arch/sparc/kernel/sys_sparc_32.c
@@ -45,7 +45,8 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr, unsi
/* We do not accept a shared mapping if it would violate
* cache aliasing constraints.
*/
- if ((flags & MAP_SHARED) && (addr & (SHMLBA - 1)))
+ if ((flags & MAP_SHARED) &&
+ ((addr - (pgoff << PAGE_SHIFT)) & (SHMLBA - 1)))
return -EINVAL;
return addr;
}
@@ -79,15 +80,6 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr, unsi
}
}
-asmlinkage unsigned long sparc_brk(unsigned long brk)
-{
- if(ARCH_SUN4C) {
- if ((brk & 0xe0000000) != (current->mm->brk & 0xe0000000))
- return current->mm->brk;
- }
- return sys_brk(brk);
-}
-
/*
* sys_pipe() is the normal C calling standard for creating
* a pipe. It's not the way unix traditionally does this, though.
@@ -234,31 +226,6 @@ int sparc_mmap_check(unsigned long addr, unsigned long len)
}
/* Linux version of mmap */
-static unsigned long do_mmap2(unsigned long addr, unsigned long len,
- unsigned long prot, unsigned long flags, unsigned long fd,
- unsigned long pgoff)
-{
- struct file * file = NULL;
- unsigned long retval = -EBADF;
-
- if (!(flags & MAP_ANONYMOUS)) {
- file = fget(fd);
- if (!file)
- goto out;
- }
-
- len = PAGE_ALIGN(len);
- flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE);
-
- down_write(&current->mm->mmap_sem);
- retval = do_mmap_pgoff(file, addr, len, prot, flags, pgoff);
- up_write(&current->mm->mmap_sem);
-
- if (file)
- fput(file);
-out:
- return retval;
-}
asmlinkage unsigned long sys_mmap2(unsigned long addr, unsigned long len,
unsigned long prot, unsigned long flags, unsigned long fd,
@@ -266,14 +233,16 @@ asmlinkage unsigned long sys_mmap2(unsigned long addr, unsigned long len,
{
/* Make sure the shift for mmap2 is constant (12), no matter what PAGE_SIZE
we have. */
- return do_mmap2(addr, len, prot, flags, fd, pgoff >> (PAGE_SHIFT - 12));
+ return sys_mmap_pgoff(addr, len, prot, flags, fd,
+ pgoff >> (PAGE_SHIFT - 12));
}
asmlinkage unsigned long sys_mmap(unsigned long addr, unsigned long len,
unsigned long prot, unsigned long flags, unsigned long fd,
unsigned long off)
{
- return do_mmap2(addr, len, prot, flags, fd, off >> PAGE_SHIFT);
+ /* no alignment check? */
+ return sys_mmap_pgoff(addr, len, prot, flags, fd, off >> PAGE_SHIFT);
}
long sparc_remap_file_pages(unsigned long start, unsigned long size,
@@ -287,27 +256,6 @@ long sparc_remap_file_pages(unsigned long start, unsigned long size,
(pgoff >> (PAGE_SHIFT - 12)), flags);
}
-extern unsigned long do_mremap(unsigned long addr,
- unsigned long old_len, unsigned long new_len,
- unsigned long flags, unsigned long new_addr);
-
-asmlinkage unsigned long sparc_mremap(unsigned long addr,
- unsigned long old_len, unsigned long new_len,
- unsigned long flags, unsigned long new_addr)
-{
- unsigned long ret = -EINVAL;
-
- if (unlikely(sparc_mmap_check(addr, old_len)))
- goto out;
- if (unlikely(sparc_mmap_check(new_addr, new_len)))
- goto out;
- down_write(&current->mm->mmap_sem);
- ret = do_mremap(addr, old_len, new_len, flags, new_addr);
- up_write(&current->mm->mmap_sem);
-out:
- return ret;
-}
-
/* we come to here via sys_nis_syscall so it can setup the regs argument */
asmlinkage unsigned long
c_sys_nis_syscall (struct pt_regs *regs)
diff --git a/arch/sparc/kernel/sys_sparc_64.c b/arch/sparc/kernel/sys_sparc_64.c
index e2d1024..cfa0e19 100644
--- a/arch/sparc/kernel/sys_sparc_64.c
+++ b/arch/sparc/kernel/sys_sparc_64.c
@@ -317,10 +317,14 @@ bottomup:
unsigned long get_fb_unmapped_area(struct file *filp, unsigned long orig_addr, unsigned long len, unsigned long pgoff, unsigned long flags)
{
unsigned long align_goal, addr = -ENOMEM;
+ unsigned long (*get_area)(struct file *, unsigned long,
+ unsigned long, unsigned long, unsigned long);
+
+ get_area = current->mm->get_unmapped_area;
if (flags & MAP_FIXED) {
/* Ok, don't mess with it. */
- return get_unmapped_area(NULL, orig_addr, len, pgoff, flags);
+ return get_area(NULL, orig_addr, len, pgoff, flags);
}
flags &= ~MAP_SHARED;
@@ -333,7 +337,7 @@ unsigned long get_fb_unmapped_area(struct file *filp, unsigned long orig_addr, u
align_goal = (64UL * 1024);
do {
- addr = get_unmapped_area(NULL, orig_addr, len + (align_goal - PAGE_SIZE), pgoff, flags);
+ addr = get_area(NULL, orig_addr, len + (align_goal - PAGE_SIZE), pgoff, flags);
if (!(addr & ~PAGE_MASK)) {
addr = (addr + (align_goal - 1UL)) & ~(align_goal - 1UL);
break;
@@ -351,7 +355,7 @@ unsigned long get_fb_unmapped_area(struct file *filp, unsigned long orig_addr, u
* be obtained.
*/
if (addr & ~PAGE_MASK)
- addr = get_unmapped_area(NULL, orig_addr, len, pgoff, flags);
+ addr = get_area(NULL, orig_addr, len, pgoff, flags);
return addr;
}
@@ -399,18 +403,6 @@ void arch_pick_mmap_layout(struct mm_struct *mm)
}
}
-SYSCALL_DEFINE1(sparc_brk, unsigned long, brk)
-{
- /* People could try to be nasty and use ta 0x6d in 32bit programs */
- if (test_thread_flag(TIF_32BIT) && brk >= STACK_TOP32)
- return current->mm->brk;
-
- if (unlikely(straddles_64bit_va_hole(current->mm->brk, brk)))
- return current->mm->brk;
-
- return sys_brk(brk);
-}
-
/*
* sys_pipe() is the normal C calling standard for creating
* a pipe. It's not the way unix traditionally does this, though.
@@ -568,23 +560,13 @@ SYSCALL_DEFINE6(mmap, unsigned long, addr, unsigned long, len,
unsigned long, prot, unsigned long, flags, unsigned long, fd,
unsigned long, off)
{
- struct file * file = NULL;
- unsigned long retval = -EBADF;
-
- if (!(flags & MAP_ANONYMOUS)) {
- file = fget(fd);
- if (!file)
- goto out;
- }
- flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE);
- len = PAGE_ALIGN(len);
+ unsigned long retval = -EINVAL;
- down_write(&current->mm->mmap_sem);
- retval = do_mmap(file, addr, len, prot, flags, off);
- up_write(&current->mm->mmap_sem);
-
- if (file)
- fput(file);
+ if ((off + PAGE_ALIGN(len)) < off)
+ goto out;
+ if (off & ~PAGE_MASK)
+ goto out;
+ retval = sys_mmap_pgoff(addr, len, prot, flags, fd, off >> PAGE_SHIFT);
out:
return retval;
}
@@ -614,12 +596,6 @@ SYSCALL_DEFINE5(64_mremap, unsigned long, addr, unsigned long, old_len,
if (test_thread_flag(TIF_32BIT))
goto out;
- if (unlikely(new_len >= VA_EXCLUDE_START))
- goto out;
- if (unlikely(sparc_mmap_check(addr, old_len)))
- goto out;
- if (unlikely(sparc_mmap_check(new_addr, new_len)))
- goto out;
down_write(&current->mm->mmap_sem);
ret = do_mremap(addr, old_len, new_len, flags, new_addr);
diff --git a/arch/sparc/kernel/syscalls.S b/arch/sparc/kernel/syscalls.S
index d150c2a..dc4a458 100644
--- a/arch/sparc/kernel/syscalls.S
+++ b/arch/sparc/kernel/syscalls.S
@@ -62,7 +62,7 @@ sys32_rt_sigreturn:
#endif
.align 32
1: ldx [%g6 + TI_FLAGS], %l5
- andcc %l5, (_TIF_SYSCALL_TRACE|_TIF_SECCOMP|_TIF_SYSCALL_AUDIT), %g0
+ andcc %l5, (_TIF_SYSCALL_TRACE|_TIF_SECCOMP|_TIF_SYSCALL_AUDIT|_TIF_SYSCALL_TRACEPOINT), %g0
be,pt %icc, rtrap
nop
call syscall_trace_leave
@@ -187,7 +187,7 @@ linux_syscall_trace:
.globl linux_sparc_syscall32
linux_sparc_syscall32:
/* Direct access to user regs, much faster. */
- cmp %g1, NR_SYSCALLS ! IEU1 Group
+ cmp %g1, NR_syscalls ! IEU1 Group
bgeu,pn %xcc, linux_sparc_ni_syscall ! CTI
srl %i0, 0, %o0 ! IEU0
sll %g1, 2, %l4 ! IEU0 Group
@@ -198,7 +198,7 @@ linux_sparc_syscall32:
srl %i5, 0, %o5 ! IEU1
srl %i2, 0, %o2 ! IEU0 Group
- andcc %l0, (_TIF_SYSCALL_TRACE|_TIF_SECCOMP|_TIF_SYSCALL_AUDIT), %g0
+ andcc %l0, (_TIF_SYSCALL_TRACE|_TIF_SECCOMP|_TIF_SYSCALL_AUDIT|_TIF_SYSCALL_TRACEPOINT), %g0
bne,pn %icc, linux_syscall_trace32 ! CTI
mov %i0, %l5 ! IEU1
call %l7 ! CTI Group brk forced
@@ -210,7 +210,7 @@ linux_sparc_syscall32:
.globl linux_sparc_syscall
linux_sparc_syscall:
/* Direct access to user regs, much faster. */
- cmp %g1, NR_SYSCALLS ! IEU1 Group
+ cmp %g1, NR_syscalls ! IEU1 Group
bgeu,pn %xcc, linux_sparc_ni_syscall ! CTI
mov %i0, %o0 ! IEU0
sll %g1, 2, %l4 ! IEU0 Group
@@ -221,7 +221,7 @@ linux_sparc_syscall:
mov %i3, %o3 ! IEU1
mov %i4, %o4 ! IEU0 Group
- andcc %l0, (_TIF_SYSCALL_TRACE|_TIF_SECCOMP|_TIF_SYSCALL_AUDIT), %g0
+ andcc %l0, (_TIF_SYSCALL_TRACE|_TIF_SECCOMP|_TIF_SYSCALL_AUDIT|_TIF_SYSCALL_TRACEPOINT), %g0
bne,pn %icc, linux_syscall_trace ! CTI Group
mov %i0, %l5 ! IEU0
2: call %l7 ! CTI Group brk forced
@@ -245,7 +245,7 @@ ret_sys_call:
cmp %o0, -ERESTART_RESTARTBLOCK
bgeu,pn %xcc, 1f
- andcc %l0, (_TIF_SYSCALL_TRACE|_TIF_SECCOMP|_TIF_SYSCALL_AUDIT), %l6
+ andcc %l0, (_TIF_SYSCALL_TRACE|_TIF_SECCOMP|_TIF_SYSCALL_AUDIT|_TIF_SYSCALL_TRACEPOINT), %l6
80:
/* System call success, clear Carry condition code. */
andn %g3, %g2, %g3
@@ -260,7 +260,7 @@ ret_sys_call:
/* System call failure, set Carry condition code.
* Also, get abs(errno) to return to the process.
*/
- andcc %l0, (_TIF_SYSCALL_TRACE|_TIF_SECCOMP|_TIF_SYSCALL_AUDIT), %l6
+ andcc %l0, (_TIF_SYSCALL_TRACE|_TIF_SECCOMP|_TIF_SYSCALL_AUDIT|_TIF_SYSCALL_TRACEPOINT), %l6
sub %g0, %o0, %o0
or %g3, %g2, %g3
stx %o0, [%sp + PTREGS_OFF + PT_V9_I0]
diff --git a/arch/sparc/kernel/systbls.h b/arch/sparc/kernel/systbls.h
index a63c5d2..d2f999a 100644
--- a/arch/sparc/kernel/systbls.h
+++ b/arch/sparc/kernel/systbls.h
@@ -9,7 +9,6 @@
struct new_utsname;
extern asmlinkage unsigned long sys_getpagesize(void);
-extern asmlinkage unsigned long sparc_brk(unsigned long brk);
extern asmlinkage long sparc_pipe(struct pt_regs *regs);
extern asmlinkage long sys_ipc(unsigned int call, int first,
unsigned long second,
diff --git a/arch/sparc/kernel/systbls_32.S b/arch/sparc/kernel/systbls_32.S
index 0f1658d..801fc8e 100644
--- a/arch/sparc/kernel/systbls_32.S
+++ b/arch/sparc/kernel/systbls_32.S
@@ -19,7 +19,7 @@ sys_call_table:
/*0*/ .long sys_restart_syscall, sys_exit, sys_fork, sys_read, sys_write
/*5*/ .long sys_open, sys_close, sys_wait4, sys_creat, sys_link
/*10*/ .long sys_unlink, sunos_execv, sys_chdir, sys_chown16, sys_mknod
-/*15*/ .long sys_chmod, sys_lchown16, sparc_brk, sys_nis_syscall, sys_lseek
+/*15*/ .long sys_chmod, sys_lchown16, sys_brk, sys_nis_syscall, sys_lseek
/*20*/ .long sys_getpid, sys_capget, sys_capset, sys_setuid16, sys_getuid16
/*25*/ .long sys_vmsplice, sys_ptrace, sys_alarm, sys_sigaltstack, sys_pause
/*30*/ .long sys_utime, sys_lchown, sys_fchown, sys_access, sys_nice
@@ -67,7 +67,7 @@ sys_call_table:
/*235*/ .long sys_fstatfs64, sys_llseek, sys_mlock, sys_munlock, sys_mlockall
/*240*/ .long sys_munlockall, sys_sched_setparam, sys_sched_getparam, sys_sched_setscheduler, sys_sched_getscheduler
/*245*/ .long sys_sched_yield, sys_sched_get_priority_max, sys_sched_get_priority_min, sys_sched_rr_get_interval, sys_nanosleep
-/*250*/ .long sparc_mremap, sys_sysctl, sys_getsid, sys_fdatasync, sys_nfsservctl
+/*250*/ .long sys_mremap, sys_sysctl, sys_getsid, sys_fdatasync, sys_nfsservctl
/*255*/ .long sys_sync_file_range, sys_clock_settime, sys_clock_gettime, sys_clock_getres, sys_clock_nanosleep
/*260*/ .long sys_sched_getaffinity, sys_sched_setaffinity, sys_timer_settime, sys_timer_gettime, sys_timer_getoverrun
/*265*/ .long sys_timer_delete, sys_timer_create, sys_nis_syscall, sys_io_setup, sys_io_destroy
@@ -82,5 +82,5 @@ sys_call_table:
/*310*/ .long sys_utimensat, sys_signalfd, sys_timerfd_create, sys_eventfd, sys_fallocate
/*315*/ .long sys_timerfd_settime, sys_timerfd_gettime, sys_signalfd4, sys_eventfd2, sys_epoll_create1
/*320*/ .long sys_dup3, sys_pipe2, sys_inotify_init1, sys_accept4, sys_preadv
-/*325*/ .long sys_pwritev, sys_rt_tgsigqueueinfo, sys_perf_event_open
+/*325*/ .long sys_pwritev, sys_rt_tgsigqueueinfo, sys_perf_event_open, sys_recvmmsg
diff --git a/arch/sparc/kernel/systbls_64.S b/arch/sparc/kernel/systbls_64.S
index 009825f..e575b46 100644
--- a/arch/sparc/kernel/systbls_64.S
+++ b/arch/sparc/kernel/systbls_64.S
@@ -21,7 +21,7 @@ sys_call_table32:
/*0*/ .word sys_restart_syscall, sys32_exit, sys_fork, sys_read, sys_write
/*5*/ .word sys32_open, sys_close, sys32_wait4, sys32_creat, sys_link
/*10*/ .word sys_unlink, sunos_execv, sys_chdir, sys_chown16, sys32_mknod
-/*15*/ .word sys_chmod, sys_lchown16, sys_sparc_brk, sys32_perfctr, sys32_lseek
+/*15*/ .word sys_chmod, sys_lchown16, sys_brk, sys32_perfctr, sys32_lseek
/*20*/ .word sys_getpid, sys_capget, sys_capset, sys_setuid16, sys_getuid16
/*25*/ .word sys32_vmsplice, compat_sys_ptrace, sys_alarm, sys32_sigaltstack, sys_pause
/*30*/ .word compat_sys_utime, sys_lchown, sys_fchown, sys32_access, sys32_nice
@@ -68,7 +68,7 @@ sys_call_table32:
.word compat_sys_fstatfs64, sys_llseek, sys_mlock, sys_munlock, sys32_mlockall
/*240*/ .word sys_munlockall, sys32_sched_setparam, sys32_sched_getparam, sys32_sched_setscheduler, sys32_sched_getscheduler
.word sys_sched_yield, sys32_sched_get_priority_max, sys32_sched_get_priority_min, sys32_sched_rr_get_interval, compat_sys_nanosleep
-/*250*/ .word sys32_mremap, sys32_sysctl, sys32_getsid, sys_fdatasync, sys32_nfsservctl
+/*250*/ .word sys_mremap, compat_sys_sysctl, sys32_getsid, sys_fdatasync, sys32_nfsservctl
.word sys32_sync_file_range, compat_sys_clock_settime, compat_sys_clock_gettime, compat_sys_clock_getres, sys32_clock_nanosleep
/*260*/ .word compat_sys_sched_getaffinity, compat_sys_sched_setaffinity, sys32_timer_settime, compat_sys_timer_gettime, sys_timer_getoverrun
.word sys_timer_delete, compat_sys_timer_create, sys_ni_syscall, compat_sys_io_setup, sys_io_destroy
@@ -83,7 +83,7 @@ sys_call_table32:
/*310*/ .word compat_sys_utimensat, compat_sys_signalfd, sys_timerfd_create, sys_eventfd, compat_sys_fallocate
.word compat_sys_timerfd_settime, compat_sys_timerfd_gettime, compat_sys_signalfd4, sys_eventfd2, sys_epoll_create1
/*320*/ .word sys_dup3, sys_pipe2, sys_inotify_init1, sys_accept4, compat_sys_preadv
- .word compat_sys_pwritev, compat_sys_rt_tgsigqueueinfo, sys_perf_event_open
+ .word compat_sys_pwritev, compat_sys_rt_tgsigqueueinfo, sys_perf_event_open, compat_sys_recvmmsg
#endif /* CONFIG_COMPAT */
@@ -96,7 +96,7 @@ sys_call_table:
/*0*/ .word sys_restart_syscall, sparc_exit, sys_fork, sys_read, sys_write
/*5*/ .word sys_open, sys_close, sys_wait4, sys_creat, sys_link
/*10*/ .word sys_unlink, sys_nis_syscall, sys_chdir, sys_chown, sys_mknod
-/*15*/ .word sys_chmod, sys_lchown, sys_sparc_brk, sys_perfctr, sys_lseek
+/*15*/ .word sys_chmod, sys_lchown, sys_brk, sys_perfctr, sys_lseek
/*20*/ .word sys_getpid, sys_capget, sys_capset, sys_setuid, sys_getuid
/*25*/ .word sys_vmsplice, sys_ptrace, sys_alarm, sys_sigaltstack, sys_nis_syscall
/*30*/ .word sys_utime, sys_nis_syscall, sys_nis_syscall, sys_access, sys_nice
@@ -158,4 +158,4 @@ sys_call_table:
/*310*/ .word sys_utimensat, sys_signalfd, sys_timerfd_create, sys_eventfd, sys_fallocate
.word sys_timerfd_settime, sys_timerfd_gettime, sys_signalfd4, sys_eventfd2, sys_epoll_create1
/*320*/ .word sys_dup3, sys_pipe2, sys_inotify_init1, sys_accept4, sys_preadv
- .word sys_pwritev, sys_rt_tgsigqueueinfo, sys_perf_event_open
+ .word sys_pwritev, sys_rt_tgsigqueueinfo, sys_perf_event_open, sys_recvmmsg
diff --git a/arch/sparc/kernel/time_32.c b/arch/sparc/kernel/time_32.c
index 614ac7b..5b2f595 100644
--- a/arch/sparc/kernel/time_32.c
+++ b/arch/sparc/kernel/time_32.c
@@ -210,9 +210,6 @@ static void __init sbus_time_init(void)
btfixup();
sparc_init_timers(timer_interrupt);
-
- /* Now that OBP ticker has been silenced, it is safe to enable IRQ. */
- local_irq_enable();
}
void __init time_init(void)
diff --git a/arch/sparc/kernel/time_64.c b/arch/sparc/kernel/time_64.c
index da1218e..67e1651 100644
--- a/arch/sparc/kernel/time_64.c
+++ b/arch/sparc/kernel/time_64.c
@@ -774,26 +774,9 @@ void __devinit setup_sparc64_timer(void)
static struct clocksource clocksource_tick = {
.rating = 100,
.mask = CLOCKSOURCE_MASK(64),
- .shift = 16,
.flags = CLOCK_SOURCE_IS_CONTINUOUS,
};
-static void __init setup_clockevent_multiplier(unsigned long hz)
-{
- unsigned long mult, shift = 32;
-
- while (1) {
- mult = div_sc(hz, NSEC_PER_SEC, shift);
- if (mult && (mult >> 32UL) == 0UL)
- break;
-
- shift--;
- }
-
- sparc64_clockevent.shift = shift;
- sparc64_clockevent.mult = mult;
-}
-
static unsigned long tb_ticks_per_usec __read_mostly;
void __delay(unsigned long loops)
@@ -828,9 +811,7 @@ void __init time_init(void)
clocksource_hz2mult(freq, SPARC64_NSEC_PER_CYC_SHIFT);
clocksource_tick.name = tick_ops->name;
- clocksource_tick.mult =
- clocksource_hz2mult(freq,
- clocksource_tick.shift);
+ clocksource_calc_mult_shift(&clocksource_tick, freq, 4);
clocksource_tick.read = clocksource_tick_read;
printk("clocksource: mult[%x] shift[%d]\n",
@@ -839,15 +820,14 @@ void __init time_init(void)
clocksource_register(&clocksource_tick);
sparc64_clockevent.name = tick_ops->name;
-
- setup_clockevent_multiplier(freq);
+ clockevents_calc_mult_shift(&sparc64_clockevent, freq, 4);
sparc64_clockevent.max_delta_ns =
clockevent_delta2ns(0x7fffffffffffffffUL, &sparc64_clockevent);
sparc64_clockevent.min_delta_ns =
clockevent_delta2ns(0xF, &sparc64_clockevent);
- printk("clockevent: mult[%lx] shift[%d]\n",
+ printk("clockevent: mult[%x] shift[%d]\n",
sparc64_clockevent.mult, sparc64_clockevent.shift);
setup_sparc64_timer();
diff --git a/arch/sparc/kernel/trampoline_32.S b/arch/sparc/kernel/trampoline_32.S
index 5e235c5..691f484 100644
--- a/arch/sparc/kernel/trampoline_32.S
+++ b/arch/sparc/kernel/trampoline_32.S
@@ -15,7 +15,7 @@
#include <asm/contregs.h>
#include <asm/thread_info.h>
- .globl sun4m_cpu_startup, __smp4m_processor_id
+ .globl sun4m_cpu_startup, __smp4m_processor_id, __leon_processor_id
.globl sun4d_cpu_startup, __smp4d_processor_id
__CPUINIT
@@ -106,6 +106,12 @@ __smp4d_processor_id:
retl
mov %g1, %o7
+__leon_processor_id:
+ rd %asr17,%g2
+ srl %g2,28,%g2
+ retl
+ mov %g1, %o7
+
/* CPUID in bootbus can be found at PA 0xff0140000 */
#define SUN4D_BOOTBUS_CPUID 0xf0140000
@@ -160,3 +166,64 @@ sun4d_cpu_startup:
nop
b,a smp_do_cpu_idle
+
+#ifdef CONFIG_SPARC_LEON
+
+ __CPUINIT
+ .align 4
+ .global leon_smp_cpu_startup, smp_penguin_ctable
+
+leon_smp_cpu_startup:
+
+ set smp_penguin_ctable,%g1
+ ld [%g1+4],%g1
+ srl %g1,4,%g1
+ set 0x00000100,%g5 /* SRMMU_CTXTBL_PTR */
+ sta %g1, [%g5] ASI_M_MMUREGS
+
+ /* Set up a sane %psr -- PIL<0xf> S<0x1> PS<0x1> CWP<0x0> */
+ set (PSR_PIL | PSR_S | PSR_PS), %g1
+ wr %g1, 0x0, %psr ! traps off though
+ WRITE_PAUSE
+
+ /* Our %wim is one behind CWP */
+ mov 2, %g1
+ wr %g1, 0x0, %wim
+ WRITE_PAUSE
+
+ /* Set tbr - we use just one trap table. */
+ set trapbase, %g1
+ wr %g1, 0x0, %tbr
+ WRITE_PAUSE
+
+ /* Get our CPU id */
+ rd %asr17,%g3
+
+ /* Give ourselves a stack and curptr. */
+ set current_set, %g5
+ srl %g3, 28, %g4
+ sll %g4, 2, %g4
+ ld [%g5 + %g4], %g6
+
+ sethi %hi(THREAD_SIZE - STACKFRAME_SZ), %sp
+ or %sp, %lo(THREAD_SIZE - STACKFRAME_SZ), %sp
+ add %g6, %sp, %sp
+
+ /* Turn on traps (PSR_ET). */
+ rd %psr, %g1
+ wr %g1, PSR_ET, %psr ! traps on
+ WRITE_PAUSE
+
+ /* Init our caches, etc. */
+ set poke_srmmu, %g5
+ ld [%g5], %g5
+ call %g5
+ nop
+
+ /* Start this processor. */
+ call leon_callin
+ nop
+
+ b,a smp_do_cpu_idle
+
+#endif
diff --git a/arch/sparc/kernel/unaligned_32.c b/arch/sparc/kernel/unaligned_32.c
index 6b1e6cd..f8514e2 100644
--- a/arch/sparc/kernel/unaligned_32.c
+++ b/arch/sparc/kernel/unaligned_32.c
@@ -17,8 +17,7 @@
#include <asm/uaccess.h>
#include <linux/smp.h>
#include <linux/smp_lock.h>
-
-/* #define DEBUG_MNA */
+#include <linux/perf_event.h>
enum direction {
load, /* ld, ldd, ldh, ldsh */
@@ -29,12 +28,6 @@ enum direction {
invalid,
};
-#ifdef DEBUG_MNA
-static char *dirstrings[] = {
- "load", "store", "both", "fpload", "fpstore", "invalid"
-};
-#endif
-
static inline enum direction decode_direction(unsigned int insn)
{
unsigned long tmp = (insn >> 21) & 1;
@@ -255,10 +248,7 @@ asmlinkage void kernel_unaligned_trap(struct pt_regs *regs, unsigned int insn)
unsigned long addr = compute_effective_address(regs, insn);
int err;
-#ifdef DEBUG_MNA
- printk("KMNA: pc=%08lx [dir=%s addr=%08lx size=%d] retpc[%08lx]\n",
- regs->pc, dirstrings[dir], addr, size, regs->u_regs[UREG_RETPC]);
-#endif
+ perf_sw_event(PERF_COUNT_SW_ALIGNMENT_FAULTS, 1, 0, regs, addr);
switch (dir) {
case load:
err = do_int_load(fetch_reg_addr(((insn>>25)&0x1f),
@@ -350,6 +340,7 @@ asmlinkage void user_unaligned_trap(struct pt_regs *regs, unsigned int insn)
}
addr = compute_effective_address(regs, insn);
+ perf_sw_event(PERF_COUNT_SW_ALIGNMENT_FAULTS, 1, 0, regs, addr);
switch(dir) {
case load:
err = do_int_load(fetch_reg_addr(((insn>>25)&0x1f),
diff --git a/arch/sparc/kernel/unaligned_64.c b/arch/sparc/kernel/unaligned_64.c
index 3792099..378ca82 100644
--- a/arch/sparc/kernel/unaligned_64.c
+++ b/arch/sparc/kernel/unaligned_64.c
@@ -20,10 +20,9 @@
#include <asm/uaccess.h>
#include <linux/smp.h>
#include <linux/bitops.h>
+#include <linux/perf_event.h>
#include <asm/fpumacro.h>
-/* #define DEBUG_MNA */
-
enum direction {
load, /* ld, ldd, ldh, ldsh */
store, /* st, std, sth, stsh */
@@ -33,12 +32,6 @@ enum direction {
invalid,
};
-#ifdef DEBUG_MNA
-static char *dirstrings[] = {
- "load", "store", "both", "fpload", "fpstore", "invalid"
-};
-#endif
-
static inline enum direction decode_direction(unsigned int insn)
{
unsigned long tmp = (insn >> 21) & 1;
@@ -327,12 +320,7 @@ asmlinkage void kernel_unaligned_trap(struct pt_regs *regs, unsigned int insn)
addr = compute_effective_address(regs, insn,
((insn >> 25) & 0x1f));
-#ifdef DEBUG_MNA
- printk("KMNA: pc=%016lx [dir=%s addr=%016lx size=%d] "
- "retpc[%016lx]\n",
- regs->tpc, dirstrings[dir], addr, size,
- regs->u_regs[UREG_RETPC]);
-#endif
+ perf_sw_event(PERF_COUNT_SW_ALIGNMENT_FAULTS, 1, 0, regs, addr);
switch (asi) {
case ASI_NL:
case ASI_AIUPL:
@@ -399,6 +387,7 @@ int handle_popc(u32 insn, struct pt_regs *regs)
int ret, i, rd = ((insn >> 25) & 0x1f);
int from_kernel = (regs->tstate & TSTATE_PRIV) != 0;
+ perf_sw_event(PERF_COUNT_SW_EMULATION_FAULTS, 1, 0, regs, 0);
if (insn & 0x2000) {
maybe_flush_windows(0, 0, rd, from_kernel);
value = sign_extend_imm13(insn);
@@ -445,6 +434,8 @@ int handle_ldf_stq(u32 insn, struct pt_regs *regs)
int asi = decode_asi(insn, regs);
int flag = (freg < 32) ? FPRS_DL : FPRS_DU;
+ perf_sw_event(PERF_COUNT_SW_EMULATION_FAULTS, 1, 0, regs, 0);
+
save_and_clear_fpu();
current_thread_info()->xfsr[0] &= ~0x1c000;
if (freg & 3) {
@@ -566,6 +557,8 @@ void handle_ld_nf(u32 insn, struct pt_regs *regs)
int from_kernel = (regs->tstate & TSTATE_PRIV) != 0;
unsigned long *reg;
+ perf_sw_event(PERF_COUNT_SW_EMULATION_FAULTS, 1, 0, regs, 0);
+
maybe_flush_windows(0, 0, rd, from_kernel);
reg = fetch_reg_addr(rd, regs);
if (from_kernel || rd < 16) {
@@ -596,6 +589,7 @@ void handle_lddfmna(struct pt_regs *regs, unsigned long sfar, unsigned long sfsr
if (tstate & TSTATE_PRIV)
die_if_kernel("lddfmna from kernel", regs);
+ perf_sw_event(PERF_COUNT_SW_ALIGNMENT_FAULTS, 1, 0, regs, sfar);
if (test_thread_flag(TIF_32BIT))
pc = (u32)pc;
if (get_user(insn, (u32 __user *) pc) != -EFAULT) {
@@ -657,6 +651,7 @@ void handle_stdfmna(struct pt_regs *regs, unsigned long sfar, unsigned long sfsr
if (tstate & TSTATE_PRIV)
die_if_kernel("stdfmna from kernel", regs);
+ perf_sw_event(PERF_COUNT_SW_ALIGNMENT_FAULTS, 1, 0, regs, sfar);
if (test_thread_flag(TIF_32BIT))
pc = (u32)pc;
if (get_user(insn, (u32 __user *) pc) != -EFAULT) {
diff --git a/arch/sparc/kernel/visemul.c b/arch/sparc/kernel/visemul.c
index d231cbd..9dfd2eb 100644
--- a/arch/sparc/kernel/visemul.c
+++ b/arch/sparc/kernel/visemul.c
@@ -5,6 +5,7 @@
#include <linux/kernel.h>
#include <linux/errno.h>
#include <linux/thread_info.h>
+#include <linux/perf_event.h>
#include <asm/ptrace.h>
#include <asm/pstate.h>
@@ -801,6 +802,8 @@ int vis_emul(struct pt_regs *regs, unsigned int insn)
BUG_ON(regs->tstate & TSTATE_PRIV);
+ perf_sw_event(PERF_COUNT_SW_EMULATION_FAULTS, 1, 0, regs, 0);
+
if (test_thread_flag(TIF_32BIT))
pc = (u32)pc;
diff --git a/arch/sparc/lib/Makefile b/arch/sparc/lib/Makefile
index e75faf0..c4b5e03 100644
--- a/arch/sparc/lib/Makefile
+++ b/arch/sparc/lib/Makefile
@@ -44,3 +44,4 @@ obj-y += iomap.o
obj-$(CONFIG_SPARC32) += atomic32.o
obj-y += ksyms.o
obj-$(CONFIG_SPARC64) += PeeCeeI.o
+obj-y += usercopy.o
diff --git a/arch/sparc/lib/bzero.S b/arch/sparc/lib/bzero.S
index b655729..615f401 100644
--- a/arch/sparc/lib/bzero.S
+++ b/arch/sparc/lib/bzero.S
@@ -6,10 +6,6 @@
.text
- .globl __memset
- .type __memset, #function
-__memset: /* %o0=buf, %o1=pat, %o2=len */
-
.globl memset
.type memset, #function
memset: /* %o0=buf, %o1=pat, %o2=len */
@@ -83,7 +79,6 @@ __bzero_done:
retl
mov %o3, %o0
.size __bzero, .-__bzero
- .size __memset, .-__memset
.size memset, .-memset
#define EX_ST(x,y) \
diff --git a/arch/sparc/lib/checksum_32.S b/arch/sparc/lib/checksum_32.S
index 77f2285..3632cb3 100644
--- a/arch/sparc/lib/checksum_32.S
+++ b/arch/sparc/lib/checksum_32.S
@@ -560,7 +560,7 @@ __csum_partial_copy_end:
mov %i0, %o1
mov %i1, %o0
5:
- call __memcpy
+ call memcpy
mov %i2, %o2
tst %o0
bne,a 2f
diff --git a/arch/sparc/lib/ksyms.c b/arch/sparc/lib/ksyms.c
index 704b126..1b30bb3 100644
--- a/arch/sparc/lib/ksyms.c
+++ b/arch/sparc/lib/ksyms.c
@@ -30,7 +30,6 @@ EXPORT_SYMBOL(__memscan_generic);
EXPORT_SYMBOL(memcmp);
EXPORT_SYMBOL(memcpy);
EXPORT_SYMBOL(memset);
-EXPORT_SYMBOL(__memset);
EXPORT_SYMBOL(memmove);
EXPORT_SYMBOL(__bzero);
@@ -81,7 +80,6 @@ EXPORT_SYMBOL(__csum_partial_copy_sparc_generic);
/* Special internal versions of library functions. */
EXPORT_SYMBOL(__copy_1page);
-EXPORT_SYMBOL(__memcpy);
EXPORT_SYMBOL(__memmove);
EXPORT_SYMBOL(bzero_1page);
diff --git a/arch/sparc/lib/mcount.S b/arch/sparc/lib/mcount.S
index 7ce9c65..24b8b12 100644
--- a/arch/sparc/lib/mcount.S
+++ b/arch/sparc/lib/mcount.S
@@ -64,8 +64,9 @@ mcount:
2: sethi %hi(softirq_stack), %g3
or %g3, %lo(softirq_stack), %g3
ldx [%g3 + %g1], %g7
+ sub %g7, STACK_BIAS, %g7
cmp %sp, %g7
- bleu,pt %xcc, 2f
+ bleu,pt %xcc, 3f
sethi %hi(THREAD_SIZE), %g3
add %g7, %g3, %g7
cmp %sp, %g7
@@ -75,7 +76,7 @@ mcount:
* again, we are already trying to output the stack overflow
* message.
*/
- sethi %hi(ovstack), %g7 ! cant move to panic stack fast enough
+3: sethi %hi(ovstack), %g7 ! cant move to panic stack fast enough
or %g7, %lo(ovstack), %g7
add %g7, OVSTACKSIZE, %g3
sub %g3, STACK_BIAS + 192, %g3
diff --git a/arch/sparc/lib/memcpy.S b/arch/sparc/lib/memcpy.S
index ce10bc8..34fe657 100644
--- a/arch/sparc/lib/memcpy.S
+++ b/arch/sparc/lib/memcpy.S
@@ -543,9 +543,6 @@ FUNC(memmove)
b 3f
add %o0, 2, %o0
-#ifdef __KERNEL__
-FUNC(__memcpy)
-#endif
FUNC(memcpy) /* %o0=dst %o1=src %o2=len */
sub %o0, %o1, %o4
diff --git a/arch/sparc/lib/memset.S b/arch/sparc/lib/memset.S
index 1c37ea89..99c017b 100644
--- a/arch/sparc/lib/memset.S
+++ b/arch/sparc/lib/memset.S
@@ -60,11 +60,10 @@
.globl __bzero_begin
__bzero_begin:
- .globl __bzero, __memset,
+ .globl __bzero
.globl memset
.globl __memset_start, __memset_end
__memset_start:
-__memset:
memset:
and %o1, 0xff, %g3
sll %g3, 8, %g2
diff --git a/arch/sparc/lib/usercopy.c b/arch/sparc/lib/usercopy.c
new file mode 100644
index 0000000..14b363f
--- /dev/null
+++ b/arch/sparc/lib/usercopy.c
@@ -0,0 +1,8 @@
+#include <linux/module.h>
+#include <linux/bug.h>
+
+void copy_from_user_overflow(void)
+{
+ WARN(1, "Buffer overflow detected!\n");
+}
+EXPORT_SYMBOL(copy_from_user_overflow);
diff --git a/arch/sparc/math-emu/math_32.c b/arch/sparc/math-emu/math_32.c
index e13f65d..a3fccde 100644
--- a/arch/sparc/math-emu/math_32.c
+++ b/arch/sparc/math-emu/math_32.c
@@ -67,6 +67,7 @@
#include <linux/types.h>
#include <linux/sched.h>
#include <linux/mm.h>
+#include <linux/perf_event.h>
#include <asm/uaccess.h>
#include "sfp-util_32.h"
@@ -163,6 +164,8 @@ int do_mathemu(struct pt_regs *regs, struct task_struct *fpt)
int retcode = 0; /* assume all succeed */
unsigned long insn;
+ perf_sw_event(PERF_COUNT_SW_EMULATION_FAULTS, 1, 0, regs, 0);
+
#ifdef DEBUG_MATHEMU
printk("In do_mathemu()... pc is %08lx\n", regs->pc);
printk("fpqdepth is %ld\n", fpt->thread.fpqdepth);
diff --git a/arch/sparc/math-emu/math_64.c b/arch/sparc/math-emu/math_64.c
index 6863c9b..56d2c44 100644
--- a/arch/sparc/math-emu/math_64.c
+++ b/arch/sparc/math-emu/math_64.c
@@ -11,6 +11,7 @@
#include <linux/types.h>
#include <linux/sched.h>
#include <linux/errno.h>
+#include <linux/perf_event.h>
#include <asm/fpumacro.h>
#include <asm/ptrace.h>
@@ -183,6 +184,7 @@ int do_mathemu(struct pt_regs *regs, struct fpustate *f)
if (tstate & TSTATE_PRIV)
die_if_kernel("unfinished/unimplemented FPop from kernel", regs);
+ perf_sw_event(PERF_COUNT_SW_EMULATION_FAULTS, 1, 0, regs, 0);
if (test_thread_flag(TIF_32BIT))
pc = (u32)pc;
if (get_user(insn, (u32 __user *) pc) != -EFAULT) {
diff --git a/arch/sparc/mm/fault_64.c b/arch/sparc/mm/fault_64.c
index 43b0da9..6081936 100644
--- a/arch/sparc/mm/fault_64.c
+++ b/arch/sparc/mm/fault_64.c
@@ -31,13 +31,12 @@
#include <asm/sections.h>
#include <asm/mmu_context.h>
-#ifdef CONFIG_KPROBES
-static inline int notify_page_fault(struct pt_regs *regs)
+static inline __kprobes int notify_page_fault(struct pt_regs *regs)
{
int ret = 0;
/* kprobe_running() needs smp_processor_id() */
- if (!user_mode(regs)) {
+ if (kprobes_built_in() && !user_mode(regs)) {
preempt_disable();
if (kprobe_running() && kprobe_fault_handler(regs, 0))
ret = 1;
@@ -45,12 +44,6 @@ static inline int notify_page_fault(struct pt_regs *regs)
}
return ret;
}
-#else
-static inline int notify_page_fault(struct pt_regs *regs)
-{
- return 0;
-}
-#endif
static void __kprobes unhandled_fault(unsigned long address,
struct task_struct *tsk,
@@ -73,7 +66,7 @@ static void __kprobes unhandled_fault(unsigned long address,
die_if_kernel("Oops", regs);
}
-static void bad_kernel_pc(struct pt_regs *regs, unsigned long vaddr)
+static void __kprobes bad_kernel_pc(struct pt_regs *regs, unsigned long vaddr)
{
printk(KERN_CRIT "OOPS: Bogus kernel PC [%016lx] in fault handler\n",
regs->tpc);
@@ -170,8 +163,9 @@ static unsigned int get_fault_insn(struct pt_regs *regs, unsigned int insn)
return insn;
}
-static void do_kernel_fault(struct pt_regs *regs, int si_code, int fault_code,
- unsigned int insn, unsigned long address)
+static void __kprobes do_kernel_fault(struct pt_regs *regs, int si_code,
+ int fault_code, unsigned int insn,
+ unsigned long address)
{
unsigned char asi = ASI_P;
@@ -225,7 +219,7 @@ cannot_handle:
unhandled_fault (address, current, regs);
}
-static void noinline bogus_32bit_fault_tpc(struct pt_regs *regs)
+static void noinline __kprobes bogus_32bit_fault_tpc(struct pt_regs *regs)
{
static int times;
@@ -237,8 +231,8 @@ static void noinline bogus_32bit_fault_tpc(struct pt_regs *regs)
show_regs(regs);
}
-static void noinline bogus_32bit_fault_address(struct pt_regs *regs,
- unsigned long addr)
+static void noinline __kprobes bogus_32bit_fault_address(struct pt_regs *regs,
+ unsigned long addr)
{
static int times;
diff --git a/arch/sparc/mm/init_64.h b/arch/sparc/mm/init_64.h
index c2f772d..77d1b31 100644
--- a/arch/sparc/mm/init_64.h
+++ b/arch/sparc/mm/init_64.h
@@ -45,7 +45,7 @@ extern void free_initmem(void);
#define VMEMMAP_ALIGN(x) (((x)+VMEMMAP_CHUNK-1UL)&VMEMMAP_CHUNK_MASK)
#define VMEMMAP_SIZE ((((1UL << MAX_PHYSADDR_BITS) >> PAGE_SHIFT) * \
- sizeof(struct page *)) >> VMEMMAP_CHUNK_SHIFT)
+ sizeof(struct page)) >> VMEMMAP_CHUNK_SHIFT)
extern unsigned long vmemmap_table[VMEMMAP_SIZE];
#endif
diff --git a/arch/sparc/mm/srmmu.c b/arch/sparc/mm/srmmu.c
index 509b1ff..367321a 100644
--- a/arch/sparc/mm/srmmu.c
+++ b/arch/sparc/mm/srmmu.c
@@ -1990,7 +1990,7 @@ void __init poke_leonsparc(void)
void __init init_leon(void)
{
- srmmu_name = "Leon";
+ srmmu_name = "LEON";
BTFIXUPSET_CALL(flush_cache_all, leon_flush_cache_all,
BTFIXUPCALL_NORM);
@@ -2037,8 +2037,6 @@ static void __init get_srmmu_type(void)
/* First, check for sparc-leon. */
if (sparc_cpu_model == sparc_leon) {
- psr_typ = 0xf; /* hardcoded ids for older models/simulators */
- psr_vers = 2;
init_leon();
return;
}
@@ -2301,7 +2299,8 @@ void __init ld_mmu_srmmu(void)
BTFIXUPSET_CALL(flush_cache_mm, smp_flush_cache_mm, BTFIXUPCALL_NORM);
BTFIXUPSET_CALL(flush_cache_range, smp_flush_cache_range, BTFIXUPCALL_NORM);
BTFIXUPSET_CALL(flush_cache_page, smp_flush_cache_page, BTFIXUPCALL_NORM);
- if (sparc_cpu_model != sun4d) {
+ if (sparc_cpu_model != sun4d &&
+ sparc_cpu_model != sparc_leon) {
BTFIXUPSET_CALL(flush_tlb_all, smp_flush_tlb_all, BTFIXUPCALL_NORM);
BTFIXUPSET_CALL(flush_tlb_mm, smp_flush_tlb_mm, BTFIXUPCALL_NORM);
BTFIXUPSET_CALL(flush_tlb_range, smp_flush_tlb_range, BTFIXUPCALL_NORM);
@@ -2330,6 +2329,8 @@ void __init ld_mmu_srmmu(void)
#ifdef CONFIG_SMP
if (sparc_cpu_model == sun4d)
sun4d_init_smp();
+ else if (sparc_cpu_model == sparc_leon)
+ leon_init_smp();
else
sun4m_init_smp();
#endif
diff --git a/arch/sparc/mm/sun4c.c b/arch/sparc/mm/sun4c.c
index 2ffacd6..a89baf0 100644
--- a/arch/sparc/mm/sun4c.c
+++ b/arch/sparc/mm/sun4c.c
@@ -17,6 +17,7 @@
#include <linux/fs.h>
#include <linux/seq_file.h>
#include <linux/scatterlist.h>
+#include <linux/bitmap.h>
#include <asm/sections.h>
#include <asm/page.h>
@@ -1021,20 +1022,12 @@ static char *sun4c_lockarea(char *vaddr, unsigned long size)
npages = (((unsigned long)vaddr & ~PAGE_MASK) +
size + (PAGE_SIZE-1)) >> PAGE_SHIFT;
- scan = 0;
local_irq_save(flags);
- for (;;) {
- scan = find_next_zero_bit(sun4c_iobuffer_map,
- iobuffer_map_size, scan);
- if ((base = scan) + npages > iobuffer_map_size) goto abend;
- for (;;) {
- if (scan >= base + npages) goto found;
- if (test_bit(scan, sun4c_iobuffer_map)) break;
- scan++;
- }
- }
+ base = bitmap_find_next_zero_area(sun4c_iobuffer_map, iobuffer_map_size,
+ 0, npages, 0);
+ if (base >= iobuffer_map_size)
+ goto abend;
-found:
high = ((base + npages) << PAGE_SHIFT) + sun4c_iobuffer_start;
high = SUN4C_REAL_PGDIR_ALIGN(high);
while (high > sun4c_iobuffer_high) {
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