diff options
Diffstat (limited to 'include/asm-cris/arch-v32/system.h')
-rw-r--r-- | include/asm-cris/arch-v32/system.h | 69 |
1 files changed, 0 insertions, 69 deletions
diff --git a/include/asm-cris/arch-v32/system.h b/include/asm-cris/arch-v32/system.h deleted file mode 100644 index 6ca90f1..0000000 --- a/include/asm-cris/arch-v32/system.h +++ /dev/null @@ -1,69 +0,0 @@ -#ifndef _ASM_CRIS_ARCH_SYSTEM_H -#define _ASM_CRIS_ARCH_SYSTEM_H - - -/* Read the CPU version register. */ -static inline unsigned long rdvr(void) -{ - unsigned char vr; - - __asm__ __volatile__ ("move $vr, %0" : "=rm" (vr)); - return vr; -} - -#define cris_machine_name "crisv32" - -/* Read the user-mode stack pointer. */ -static inline unsigned long rdusp(void) -{ - unsigned long usp; - - __asm__ __volatile__ ("move $usp, %0" : "=rm" (usp)); - return usp; -} - -/* Read the current stack pointer. */ -static inline unsigned long rdsp(void) -{ - unsigned long sp; - - __asm__ __volatile__ ("move.d $sp, %0" : "=rm" (sp)); - return sp; -} - -/* 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)) - -/* Used for interrupt control. */ -#define local_save_flags(x) \ - __asm__ __volatile__ ("move $ccs, %0" : "=rm" (x) : : "memory"); - -#define local_irq_restore(x) \ - __asm__ __volatile__ ("move %0, $ccs" : : "rm" (x) : "memory"); - -#define local_irq_disable() __asm__ __volatile__ ("di" : : : "memory"); -#define local_irq_enable() __asm__ __volatile__ ("ei" : : : "memory"); - -#define irqs_disabled() \ -({ \ - unsigned long flags; \ - \ - local_save_flags(flags);\ - !(flags & (1 << I_CCS_BITNR)); \ -}) - -/* Used for spinlocks, etc. */ -#define local_irq_save(x) \ - __asm__ __volatile__ ("move $ccs, %0\n\tdi" : "=rm" (x) : : "memory"); - -#endif /* _ASM_CRIS_ARCH_SYSTEM_H */ |