diff options
Diffstat (limited to 'arch/score')
-rw-r--r-- | arch/score/include/asm/irqflags.h | 187 | ||||
-rw-r--r-- | arch/score/include/asm/pgtable.h | 3 | ||||
-rw-r--r-- | arch/score/kernel/ptrace.c | 7 | ||||
-rw-r--r-- | arch/score/kernel/sys_score.c | 10 |
4 files changed, 110 insertions, 97 deletions
diff --git a/arch/score/include/asm/irqflags.h b/arch/score/include/asm/irqflags.h index 690a6cae729..5c7563891e2 100644 --- a/arch/score/include/asm/irqflags.h +++ b/arch/score/include/asm/irqflags.h @@ -3,107 +3,118 @@ #ifndef __ASSEMBLY__ -#define raw_local_irq_save(x) \ -{ \ - __asm__ __volatile__( \ - "mfcr r8, cr0;" \ - "li r9, 0xfffffffe;" \ - "nop;" \ - "mv %0, r8;" \ - "and r8, r8, r9;" \ - "mtcr r8, cr0;" \ - "nop;" \ - "nop;" \ - "nop;" \ - "nop;" \ - "nop;" \ - : "=r" (x) \ - : \ - : "r8", "r9" \ - ); \ +#include <linux/types.h> + +static inline unsigned long arch_local_save_flags(void) +{ + unsigned long flags; + + asm volatile( + " mfcr r8, cr0 \n" + " nop \n" + " nop \n" + " mv %0, r8 \n" + " nop \n" + " nop \n" + " nop \n" + " nop \n" + " nop \n" + " ldi r9, 0x1 \n" + " and %0, %0, r9 \n" + : "=r" (flags) + : + : "r8", "r9"); + return flags; } -#define raw_local_irq_restore(x) \ -{ \ - __asm__ __volatile__( \ - "mfcr r8, cr0;" \ - "ldi r9, 0x1;" \ - "and %0, %0, r9;" \ - "or r8, r8, %0;" \ - "mtcr r8, cr0;" \ - "nop;" \ - "nop;" \ - "nop;" \ - "nop;" \ - "nop;" \ - : \ - : "r"(x) \ - : "r8", "r9" \ - ); \ +static inline unsigned long arch_local_irq_save(void) +{ + unsigned long flags + + asm volatile( + " mfcr r8, cr0 \n" + " li r9, 0xfffffffe \n" + " nop \n" + " mv %0, r8 \n" + " and r8, r8, r9 \n" + " mtcr r8, cr0 \n" + " nop \n" + " nop \n" + " nop \n" + " nop \n" + " nop \n" + : "=r" (flags) + : + : "r8", "r9", "memory"); + + return flags; } -#define raw_local_irq_enable(void) \ -{ \ - __asm__ __volatile__( \ - "mfcr\tr8,cr0;" \ - "nop;" \ - "nop;" \ - "ori\tr8,0x1;" \ - "mtcr\tr8,cr0;" \ - "nop;" \ - "nop;" \ - "nop;" \ - "nop;" \ - "nop;" \ - : \ - : \ - : "r8"); \ +static inline void arch_local_irq_restore(unsigned long flags) +{ + asm volatile( + " mfcr r8, cr0 \n" + " ldi r9, 0x1 \n" + " and %0, %0, r9 \n" + " or r8, r8, %0 \n" + " mtcr r8, cr0 \n" + " nop \n" + " nop \n" + " nop \n" + " nop \n" + " nop \n" + : + : "r"(flags) + : "r8", "r9", "memory"); } -#define raw_local_irq_disable(void) \ -{ \ - __asm__ __volatile__( \ - "mfcr\tr8,cr0;" \ - "nop;" \ - "nop;" \ - "srli\tr8,r8,1;" \ - "slli\tr8,r8,1;" \ - "mtcr\tr8,cr0;" \ - "nop;" \ - "nop;" \ - "nop;" \ - "nop;" \ - "nop;" \ - : \ - : \ - : "r8"); \ +static inline void arch_local_irq_enable(void) +{ + asm volatile( + " mfcr r8,cr0 \n" + " nop \n" + " nop \n" + " ori r8,0x1 \n" + " mtcr r8,cr0 \n" + " nop \n" + " nop \n" + " nop \n" + " nop \n" + " nop \n" + : + : + : "r8", "memory"); } -#define raw_local_save_flags(x) \ -{ \ - __asm__ __volatile__( \ - "mfcr r8, cr0;" \ - "nop;" \ - "nop;" \ - "mv %0, r8;" \ - "nop;" \ - "nop;" \ - "nop;" \ - "nop;" \ - "nop;" \ - "ldi r9, 0x1;" \ - "and %0, %0, r9;" \ - : "=r" (x) \ - : \ - : "r8", "r9" \ - ); \ +static inline void arch_local_irq_disable(void) +{ + asm volatile( + " mfcr r8,cr0 \n" + " nop \n" + " nop \n" + " srli r8,r8,1 \n" + " slli r8,r8,1 \n" + " mtcr r8,cr0 \n" + " nop \n" + " nop \n" + " nop \n" + " nop \n" + " nop \n" + : + : + : "r8", "memory"); } -static inline int raw_irqs_disabled_flags(unsigned long flags) +static inline bool arch_irqs_disabled_flags(unsigned long flags) { return !(flags & 1); } -#endif +static inline bool arch_irqs_disabled(void) +{ + return arch_irqs_disabled_flags(arch_local_save_flags()); +} + +#endif /* __ASSEMBLY__ */ #endif /* _ASM_SCORE_IRQFLAGS_H */ diff --git a/arch/score/include/asm/pgtable.h b/arch/score/include/asm/pgtable.h index ccf38f06c57..2fd46980768 100644 --- a/arch/score/include/asm/pgtable.h +++ b/arch/score/include/asm/pgtable.h @@ -88,10 +88,7 @@ static inline void pmd_clear(pmd_t *pmdp) #define pte_offset_map(dir, address) \ ((pte_t *)page_address(pmd_page(*(dir))) + __pte_offset(address)) -#define pte_offset_map_nested(dir, address) \ - ((pte_t *)page_address(pmd_page(*(dir))) + __pte_offset(address)) #define pte_unmap(pte) ((void)(pte)) -#define pte_unmap_nested(pte) ((void)(pte)) /* * Bits 9(_PAGE_PRESENT) and 10(_PAGE_FILE)are taken, diff --git a/arch/score/kernel/ptrace.c b/arch/score/kernel/ptrace.c index 174c6422b09..55836188b21 100644 --- a/arch/score/kernel/ptrace.c +++ b/arch/score/kernel/ptrace.c @@ -325,7 +325,8 @@ void ptrace_disable(struct task_struct *child) } long -arch_ptrace(struct task_struct *child, long request, long addr, long data) +arch_ptrace(struct task_struct *child, long request, + unsigned long addr, unsigned long data) { int ret; unsigned long __user *datap = (void __user *)data; @@ -335,14 +336,14 @@ arch_ptrace(struct task_struct *child, long request, long addr, long data) ret = copy_regset_to_user(child, &user_score_native_view, REGSET_GENERAL, 0, sizeof(struct pt_regs), - (void __user *)datap); + datap); break; case PTRACE_SETREGS: ret = copy_regset_from_user(child, &user_score_native_view, REGSET_GENERAL, 0, sizeof(struct pt_regs), - (const void __user *)datap); + datap); break; default: diff --git a/arch/score/kernel/sys_score.c b/arch/score/kernel/sys_score.c index 651096ff8db..e478bf9a7e9 100644 --- a/arch/score/kernel/sys_score.c +++ b/arch/score/kernel/sys_score.c @@ -99,8 +99,10 @@ score_execve(struct pt_regs *regs) if (IS_ERR(filename)) return error; - error = do_execve(filename, (char __user *__user*)regs->regs[5], - (char __user *__user *) regs->regs[6], regs); + error = do_execve(filename, + (const char __user *const __user *)regs->regs[5], + (const char __user *const __user *)regs->regs[6], + regs); putname(filename); return error; @@ -110,7 +112,9 @@ score_execve(struct pt_regs *regs) * Do a system call from kernel instead of calling sys_execve so we * end up with proper pt_regs. */ -int kernel_execve(const char *filename, char *const argv[], char *const envp[]) +int kernel_execve(const char *filename, + const char *const argv[], + const char *const envp[]) { register unsigned long __r4 asm("r4") = (unsigned long) filename; register unsigned long __r5 asm("r5") = (unsigned long) argv; |