diff options
Diffstat (limited to 'include/asm-powerpc')
-rw-r--r-- | include/asm-powerpc/dma-mapping.h | 2 | ||||
-rw-r--r-- | include/asm-powerpc/kvm_ppc.h | 3 | ||||
-rw-r--r-- | include/asm-powerpc/namei.h | 20 | ||||
-rw-r--r-- | include/asm-powerpc/pgtable-4k.h | 2 | ||||
-rw-r--r-- | include/asm-powerpc/pgtable-64k.h | 2 | ||||
-rw-r--r-- | include/asm-powerpc/pgtable-ppc64.h | 4 | ||||
-rw-r--r-- | include/asm-powerpc/ptrace.h | 1 | ||||
-rw-r--r-- | include/asm-powerpc/signal.h | 3 | ||||
-rw-r--r-- | include/asm-powerpc/smp.h | 2 | ||||
-rw-r--r-- | include/asm-powerpc/syscall.h | 84 | ||||
-rw-r--r-- | include/asm-powerpc/thread_info.h | 5 | ||||
-rw-r--r-- | include/asm-powerpc/topology.h | 2 |
12 files changed, 103 insertions, 27 deletions
diff --git a/include/asm-powerpc/dma-mapping.h b/include/asm-powerpc/dma-mapping.h index 74c5497..c7ca45f 100644 --- a/include/asm-powerpc/dma-mapping.h +++ b/include/asm-powerpc/dma-mapping.h @@ -415,7 +415,7 @@ static inline void dma_sync_sg_for_device(struct device *dev, __dma_sync_page(sg_page(sg), sg->offset, sg->length, direction); } -static inline int dma_mapping_error(dma_addr_t dma_addr) +static inline int dma_mapping_error(struct device *dev, dma_addr_t dma_addr) { #ifdef CONFIG_PPC64 return (dma_addr == DMA_ERROR_CODE); diff --git a/include/asm-powerpc/kvm_ppc.h b/include/asm-powerpc/kvm_ppc.h index 5a21115..a8b0687 100644 --- a/include/asm-powerpc/kvm_ppc.h +++ b/include/asm-powerpc/kvm_ppc.h @@ -61,7 +61,8 @@ extern int kvmppc_emulate_mmio(struct kvm_run *run, struct kvm_vcpu *vcpu); extern void kvmppc_mmu_map(struct kvm_vcpu *vcpu, u64 gvaddr, gfn_t gfn, u64 asid, u32 flags); -extern void kvmppc_mmu_invalidate(struct kvm_vcpu *vcpu, u64 eaddr, u64 asid); +extern void kvmppc_mmu_invalidate(struct kvm_vcpu *vcpu, gva_t eaddr, + gva_t eend, u32 asid); extern void kvmppc_mmu_priv_switch(struct kvm_vcpu *vcpu, int usermode); extern void kvmppc_check_and_deliver_interrupts(struct kvm_vcpu *vcpu); diff --git a/include/asm-powerpc/namei.h b/include/asm-powerpc/namei.h deleted file mode 100644 index 6574434..0000000 --- a/include/asm-powerpc/namei.h +++ /dev/null @@ -1,20 +0,0 @@ -#ifndef _ASM_POWERPC_NAMEI_H -#define _ASM_POWERPC_NAMEI_H - -#ifdef __KERNEL__ - -/* - * Adapted from include/asm-alpha/namei.h - * - * Included from fs/namei.c - */ - -/* This dummy routine maybe changed to something useful - * for /usr/gnemul/ emulation stuff. - * Look at asm-sparc/namei.h for details. - */ - -#define __emul_prefix() NULL - -#endif /* __KERNEL__ */ -#endif /* _ASM_POWERPC_NAMEI_H */ diff --git a/include/asm-powerpc/pgtable-4k.h b/include/asm-powerpc/pgtable-4k.h index c9601df..6b18ba9 100644 --- a/include/asm-powerpc/pgtable-4k.h +++ b/include/asm-powerpc/pgtable-4k.h @@ -46,6 +46,8 @@ #define _PAGE_GROUP_IX 0x7000 /* software: HPTE index within group */ #define _PAGE_F_SECOND _PAGE_SECONDARY #define _PAGE_F_GIX _PAGE_GROUP_IX +#define _PAGE_SPECIAL 0x10000 /* software: special page */ +#define __HAVE_ARCH_PTE_SPECIAL /* PTE flags to conserve for HPTE identification */ #define _PAGE_HPTEFLAGS (_PAGE_BUSY | _PAGE_HASHPTE | \ diff --git a/include/asm-powerpc/pgtable-64k.h b/include/asm-powerpc/pgtable-64k.h index 7e54adb..07b0d8f 100644 --- a/include/asm-powerpc/pgtable-64k.h +++ b/include/asm-powerpc/pgtable-64k.h @@ -70,6 +70,8 @@ static inline struct subpage_prot_table *pgd_subpage_prot(pgd_t *pgd) #define PGDIR_MASK (~(PGDIR_SIZE-1)) /* Additional PTE bits (don't change without checking asm in hash_low.S) */ +#define __HAVE_ARCH_PTE_SPECIAL +#define _PAGE_SPECIAL 0x00000400 /* software: special page */ #define _PAGE_HPTE_SUB 0x0ffff000 /* combo only: sub pages HPTE bits */ #define _PAGE_HPTE_SUB0 0x08000000 /* combo only: first sub page */ #define _PAGE_COMBO 0x10000000 /* this is a combo 4k page */ diff --git a/include/asm-powerpc/pgtable-ppc64.h b/include/asm-powerpc/pgtable-ppc64.h index ba80003..5fc78c0 100644 --- a/include/asm-powerpc/pgtable-ppc64.h +++ b/include/asm-powerpc/pgtable-ppc64.h @@ -245,7 +245,7 @@ static inline int pte_write(pte_t pte) { return pte_val(pte) & _PAGE_RW;} static inline int pte_dirty(pte_t pte) { return pte_val(pte) & _PAGE_DIRTY;} static inline int pte_young(pte_t pte) { return pte_val(pte) & _PAGE_ACCESSED;} static inline int pte_file(pte_t pte) { return pte_val(pte) & _PAGE_FILE;} -static inline int pte_special(pte_t pte) { return 0; } +static inline int pte_special(pte_t pte) { return pte_val(pte) & _PAGE_SPECIAL; } static inline void pte_uncache(pte_t pte) { pte_val(pte) |= _PAGE_NO_CACHE; } static inline void pte_cache(pte_t pte) { pte_val(pte) &= ~_PAGE_NO_CACHE; } @@ -265,7 +265,7 @@ static inline pte_t pte_mkyoung(pte_t pte) { static inline pte_t pte_mkhuge(pte_t pte) { return pte; } static inline pte_t pte_mkspecial(pte_t pte) { - return pte; } + pte_val(pte) |= _PAGE_SPECIAL; return pte; } static inline unsigned long pte_pgprot(pte_t pte) { return __pgprot(pte_val(pte)) & PAGE_PROT_BITS; diff --git a/include/asm-powerpc/ptrace.h b/include/asm-powerpc/ptrace.h index 3d6e310..734e075 100644 --- a/include/asm-powerpc/ptrace.h +++ b/include/asm-powerpc/ptrace.h @@ -84,6 +84,7 @@ struct pt_regs { #ifndef __ASSEMBLY__ #define instruction_pointer(regs) ((regs)->nip) +#define user_stack_pointer(regs) ((regs)->gpr[1]) #define regs_return_value(regs) ((regs)->gpr[3]) #ifdef CONFIG_SMP diff --git a/include/asm-powerpc/signal.h b/include/asm-powerpc/signal.h index a8c7bab..a7360cd 100644 --- a/include/asm-powerpc/signal.h +++ b/include/asm-powerpc/signal.h @@ -122,8 +122,7 @@ typedef struct sigaltstack { #ifdef __KERNEL__ struct pt_regs; -extern int do_signal(sigset_t *oldset, struct pt_regs *regs); -extern int do_signal32(sigset_t *oldset, struct pt_regs *regs); +extern void do_signal(struct pt_regs *regs, unsigned long thread_info_flags); #define ptrace_signal_deliver(regs, cookie) do { } while (0) #endif /* __KERNEL__ */ diff --git a/include/asm-powerpc/smp.h b/include/asm-powerpc/smp.h index 416d4c2..4d28e1e 100644 --- a/include/asm-powerpc/smp.h +++ b/include/asm-powerpc/smp.h @@ -62,6 +62,8 @@ extern int smp_hw_index[]; #endif DECLARE_PER_CPU(cpumask_t, cpu_sibling_map); +DECLARE_PER_CPU(cpumask_t, cpu_core_map); +extern int cpu_to_core_id(int cpu); /* Since OpenPIC has only 4 IPIs, we use slightly different message numbers. * diff --git a/include/asm-powerpc/syscall.h b/include/asm-powerpc/syscall.h new file mode 100644 index 0000000..efa7f0b --- /dev/null +++ b/include/asm-powerpc/syscall.h @@ -0,0 +1,84 @@ +/* + * Access to user system call parameters and results + * + * Copyright (C) 2008 Red Hat, Inc. All rights reserved. + * + * This copyrighted material is made available to anyone wishing to use, + * modify, copy, or redistribute it subject to the terms and conditions + * of the GNU General Public License v.2. + * + * See asm-generic/syscall.h for descriptions of what we must do here. + */ + +#ifndef _ASM_SYSCALL_H +#define _ASM_SYSCALL_H 1 + +#include <linux/sched.h> + +static inline long syscall_get_nr(struct task_struct *task, + struct pt_regs *regs) +{ + return TRAP(regs) == 0xc00 ? regs->gpr[0] : -1L; +} + +static inline void syscall_rollback(struct task_struct *task, + struct pt_regs *regs) +{ + regs->gpr[3] = regs->orig_gpr3; +} + +static inline long syscall_get_error(struct task_struct *task, + struct pt_regs *regs) +{ + return (regs->ccr & 0x1000) ? -regs->gpr[3] : 0; +} + +static inline long syscall_get_return_value(struct task_struct *task, + struct pt_regs *regs) +{ + return regs->gpr[3]; +} + +static inline void syscall_set_return_value(struct task_struct *task, + struct pt_regs *regs, + int error, long val) +{ + if (error) { + regs->ccr |= 0x1000L; + regs->gpr[3] = -error; + } else { + regs->ccr &= ~0x1000L; + regs->gpr[3] = val; + } +} + +static inline void syscall_get_arguments(struct task_struct *task, + struct pt_regs *regs, + unsigned int i, unsigned int n, + unsigned long *args) +{ + BUG_ON(i + n > 6); +#ifdef CONFIG_PPC64 + if (test_tsk_thread_flag(task, TIF_32BIT)) { + /* + * Zero-extend 32-bit argument values. The high bits are + * garbage ignored by the actual syscall dispatch. + */ + while (n-- > 0) + args[n] = (u32) regs->gpr[3 + i + n]; + return; + } +#endif + memcpy(args, ®s->gpr[3 + i], n * sizeof(args[0])); +} + +static inline void syscall_set_arguments(struct task_struct *task, + struct pt_regs *regs, + unsigned int i, unsigned int n, + const unsigned long *args) +{ + BUG_ON(i + n > 6); + memcpy(®s->gpr[3 + i], args, n * sizeof(args[0])); +} + +#endif /* _ASM_SYSCALL_H */ diff --git a/include/asm-powerpc/thread_info.h b/include/asm-powerpc/thread_info.h index a9db562..9665a26 100644 --- a/include/asm-powerpc/thread_info.h +++ b/include/asm-powerpc/thread_info.h @@ -108,6 +108,7 @@ static inline struct thread_info *current_thread_info(void) #define TIF_SECCOMP 10 /* secure computing */ #define TIF_RESTOREALL 11 /* Restore all regs (implies NOERROR) */ #define TIF_NOERROR 12 /* Force successful syscall return */ +#define TIF_NOTIFY_RESUME 13 /* callback before returning to user */ #define TIF_FREEZE 14 /* Freezing for suspend */ #define TIF_RUNLATCH 15 /* Is the runlatch enabled? */ #define TIF_ABI_PENDING 16 /* 32/64 bit switch needed */ @@ -125,12 +126,14 @@ static inline struct thread_info *current_thread_info(void) #define _TIF_SECCOMP (1<<TIF_SECCOMP) #define _TIF_RESTOREALL (1<<TIF_RESTOREALL) #define _TIF_NOERROR (1<<TIF_NOERROR) +#define _TIF_NOTIFY_RESUME (1<<TIF_NOTIFY_RESUME) #define _TIF_FREEZE (1<<TIF_FREEZE) #define _TIF_RUNLATCH (1<<TIF_RUNLATCH) #define _TIF_ABI_PENDING (1<<TIF_ABI_PENDING) #define _TIF_SYSCALL_T_OR_A (_TIF_SYSCALL_TRACE|_TIF_SYSCALL_AUDIT|_TIF_SECCOMP) -#define _TIF_USER_WORK_MASK (_TIF_SIGPENDING | _TIF_NEED_RESCHED) +#define _TIF_USER_WORK_MASK (_TIF_SIGPENDING | _TIF_NEED_RESCHED | \ + _TIF_NOTIFY_RESUME) #define _TIF_PERSYSCALL_MASK (_TIF_RESTOREALL|_TIF_NOERROR) /* Bits in local_flags */ diff --git a/include/asm-powerpc/topology.h b/include/asm-powerpc/topology.h index 100c6fb..c32da6f 100644 --- a/include/asm-powerpc/topology.h +++ b/include/asm-powerpc/topology.h @@ -108,6 +108,8 @@ static inline void sysfs_remove_device_from_node(struct sys_device *dev, #include <asm/smp.h> #define topology_thread_siblings(cpu) (per_cpu(cpu_sibling_map, cpu)) +#define topology_core_siblings(cpu) (per_cpu(cpu_core_map, cpu)) +#define topology_core_id(cpu) (cpu_to_core_id(cpu)) #endif #endif |