diff options
Diffstat (limited to 'arch/cris/include')
-rw-r--r-- | arch/cris/include/arch-v10/arch/elf.h | 2 | ||||
-rw-r--r-- | arch/cris/include/arch-v32/arch/elf.h | 2 | ||||
-rw-r--r-- | arch/cris/include/arch-v32/arch/system.h | 10 | ||||
-rw-r--r-- | arch/cris/include/asm/atomic.h | 2 | ||||
-rw-r--r-- | arch/cris/include/asm/barrier.h | 25 | ||||
-rw-r--r-- | arch/cris/include/asm/bitops.h | 1 | ||||
-rw-r--r-- | arch/cris/include/asm/cmpxchg.h (renamed from arch/cris/include/asm/system.h) | 52 | ||||
-rw-r--r-- | arch/cris/include/asm/exec.h | 6 | ||||
-rw-r--r-- | arch/cris/include/asm/processor.h | 11 | ||||
-rw-r--r-- | arch/cris/include/asm/switch_to.h | 12 |
10 files changed, 66 insertions, 57 deletions
diff --git a/arch/cris/include/arch-v10/arch/elf.h b/arch/cris/include/arch-v10/arch/elf.h index 1c38ee728b17..1eb638aeddb4 100644 --- a/arch/cris/include/arch-v10/arch/elf.h +++ b/arch/cris/include/arch-v10/arch/elf.h @@ -1,6 +1,8 @@ #ifndef __ASMCRIS_ARCH_ELF_H #define __ASMCRIS_ARCH_ELF_H +#include <arch/system.h> + #define ELF_MACH EF_CRIS_VARIANT_ANY_V0_V10 /* diff --git a/arch/cris/include/arch-v32/arch/elf.h b/arch/cris/include/arch-v32/arch/elf.h index 1324e505a4d8..c46d58291166 100644 --- a/arch/cris/include/arch-v32/arch/elf.h +++ b/arch/cris/include/arch-v32/arch/elf.h @@ -1,6 +1,8 @@ #ifndef _ASM_CRIS_ELF_H #define _ASM_CRIS_ELF_H +#include <arch/system.h> + #define ELF_CORE_EFLAGS EF_CRIS_VARIANT_V32 /* diff --git a/arch/cris/include/arch-v32/arch/system.h b/arch/cris/include/arch-v32/arch/system.h index 76cea99eaa60..db853fb3a458 100644 --- a/arch/cris/include/arch-v32/arch/system.h +++ b/arch/cris/include/arch-v32/arch/system.h @@ -34,14 +34,4 @@ static inline unsigned long rdsp(void) /* Write the user-mode stack pointer. */ #define wrusp(usp) __asm__ __volatile__ ("move %0, $usp" : : "rm" (usp)) -#define nop() __asm__ __volatile__ ("nop"); - -#define xchg(ptr,x) \ - ((__typeof__(*(ptr)))__xchg((unsigned long) (x),(ptr),sizeof(*(ptr)))) - -#define tas(ptr) (xchg((ptr),1)) - -struct __xchg_dummy { unsigned long a[100]; }; -#define __xg(x) ((struct __xchg_dummy *)(x)) - #endif /* _ASM_CRIS_ARCH_SYSTEM_H */ diff --git a/arch/cris/include/asm/atomic.h b/arch/cris/include/asm/atomic.h index bbf093814db2..1056a5dfe04f 100644 --- a/arch/cris/include/asm/atomic.h +++ b/arch/cris/include/asm/atomic.h @@ -5,7 +5,7 @@ #include <linux/compiler.h> #include <linux/types.h> -#include <asm/system.h> +#include <asm/cmpxchg.h> #include <arch/atomic.h> /* diff --git a/arch/cris/include/asm/barrier.h b/arch/cris/include/asm/barrier.h new file mode 100644 index 000000000000..198ad7fa6b25 --- /dev/null +++ b/arch/cris/include/asm/barrier.h @@ -0,0 +1,25 @@ +#ifndef __ASM_CRIS_BARRIER_H +#define __ASM_CRIS_BARRIER_H + +#define nop() __asm__ __volatile__ ("nop"); + +#define barrier() __asm__ __volatile__("": : :"memory") +#define mb() barrier() +#define rmb() mb() +#define wmb() mb() +#define read_barrier_depends() do { } while(0) +#define set_mb(var, value) do { var = value; mb(); } while (0) + +#ifdef CONFIG_SMP +#define smp_mb() mb() +#define smp_rmb() rmb() +#define smp_wmb() wmb() +#define smp_read_barrier_depends() read_barrier_depends() +#else +#define smp_mb() barrier() +#define smp_rmb() barrier() +#define smp_wmb() barrier() +#define smp_read_barrier_depends() do { } while(0) +#endif + +#endif /* __ASM_CRIS_BARRIER_H */ diff --git a/arch/cris/include/asm/bitops.h b/arch/cris/include/asm/bitops.h index a78a2d70cd8b..184066ceb1f6 100644 --- a/arch/cris/include/asm/bitops.h +++ b/arch/cris/include/asm/bitops.h @@ -19,7 +19,6 @@ #endif #include <arch/bitops.h> -#include <asm/system.h> #include <linux/atomic.h> #include <linux/compiler.h> diff --git a/arch/cris/include/asm/system.h b/arch/cris/include/asm/cmpxchg.h index ea10592f7d75..b756dac8aa3f 100644 --- a/arch/cris/include/asm/system.h +++ b/arch/cris/include/asm/cmpxchg.h @@ -1,44 +1,7 @@ -#ifndef __ASM_CRIS_SYSTEM_H -#define __ASM_CRIS_SYSTEM_H +#ifndef __ASM_CRIS_CMPXCHG__ +#define __ASM_CRIS_CMPXCHG__ #include <linux/irqflags.h> -#include <arch/system.h> - -/* the switch_to macro calls resume, an asm function in entry.S which does the actual - * task switching. - */ - -extern struct task_struct *resume(struct task_struct *prev, struct task_struct *next, int); -#define switch_to(prev,next,last) last = resume(prev,next, \ - (int)&((struct task_struct *)0)->thread) - -#define barrier() __asm__ __volatile__("": : :"memory") -#define mb() barrier() -#define rmb() mb() -#define wmb() mb() -#define read_barrier_depends() do { } while(0) -#define set_mb(var, value) do { var = value; mb(); } while (0) - -#ifdef CONFIG_SMP -#define smp_mb() mb() -#define smp_rmb() rmb() -#define smp_wmb() wmb() -#define smp_read_barrier_depends() read_barrier_depends() -#else -#define smp_mb() barrier() -#define smp_rmb() barrier() -#define smp_wmb() barrier() -#define smp_read_barrier_depends() do { } while(0) -#endif - -#define iret() - -/* - * disable hlt during certain critical i/o operations - */ -#define HAVE_DISABLE_HLT -void disable_hlt(void); -void enable_hlt(void); static inline unsigned long __xchg(unsigned long x, volatile void * ptr, int size) { @@ -67,6 +30,11 @@ static inline unsigned long __xchg(unsigned long x, volatile void * ptr, int siz return x; } +#define xchg(ptr,x) \ + ((__typeof__(*(ptr)))__xchg((unsigned long)(x),(ptr),sizeof(*(ptr)))) + +#define tas(ptr) (xchg((ptr),1)) + #include <asm-generic/cmpxchg-local.h> /* @@ -82,8 +50,4 @@ static inline unsigned long __xchg(unsigned long x, volatile void * ptr, int siz #include <asm-generic/cmpxchg.h> #endif -#define arch_align_stack(x) (x) - -void default_idle(void); - -#endif +#endif /* __ASM_CRIS_CMPXCHG__ */ diff --git a/arch/cris/include/asm/exec.h b/arch/cris/include/asm/exec.h new file mode 100644 index 000000000000..9665dab7e25b --- /dev/null +++ b/arch/cris/include/asm/exec.h @@ -0,0 +1,6 @@ +#ifndef __ASM_CRIS_EXEC_H +#define __ASM_CRIS_EXEC_H + +#define arch_align_stack(x) (x) + +#endif /* __ASM_CRIS_EXEC_H */ diff --git a/arch/cris/include/asm/processor.h b/arch/cris/include/asm/processor.h index 3f7248f7a1c9..4210d72a6667 100644 --- a/arch/cris/include/asm/processor.h +++ b/arch/cris/include/asm/processor.h @@ -10,10 +10,10 @@ #ifndef __ASM_CRIS_PROCESSOR_H #define __ASM_CRIS_PROCESSOR_H -#include <asm/system.h> #include <asm/page.h> #include <asm/ptrace.h> #include <arch/processor.h> +#include <arch/system.h> struct task_struct; @@ -72,4 +72,13 @@ static inline void release_thread(struct task_struct *dead_task) #define cpu_relax() barrier() +/* + * disable hlt during certain critical i/o operations + */ +#define HAVE_DISABLE_HLT +void disable_hlt(void); +void enable_hlt(void); + +void default_idle(void); + #endif /* __ASM_CRIS_PROCESSOR_H */ diff --git a/arch/cris/include/asm/switch_to.h b/arch/cris/include/asm/switch_to.h new file mode 100644 index 000000000000..d842e1163ba1 --- /dev/null +++ b/arch/cris/include/asm/switch_to.h @@ -0,0 +1,12 @@ +#ifndef __ASM_CRIS_SWITCH_TO_H +#define __ASM_CRIS_SWITCH_TO_H + +/* the switch_to macro calls resume, an asm function in entry.S which does the actual + * task switching. + */ + +extern struct task_struct *resume(struct task_struct *prev, struct task_struct *next, int); +#define switch_to(prev,next,last) last = resume(prev,next, \ + (int)&((struct task_struct *)0)->thread) + +#endif /* __ASM_CRIS_SWITCH_TO_H */ |