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| author | Christophe Leroy <christophe.leroy@c-s.fr> | 2016-02-09 17:08:23 +0100 |
|---|---|---|
| committer | Scott Wood <oss@buserror.net> | 2016-03-12 00:20:11 +0100 |
| commit | d6bfa02fccf58b957f457c1bd0bb71f6ab169a0b (patch) | |
| tree | f59f48c349da5be1d4710a803207ee278a5e4d7a /arch/powerpc/include/asm/cache.h | |
| parent | powerpc/8xx: rewrite flush_instruction_cache() in C (diff) | |
| download | linux-d6bfa02fccf58b957f457c1bd0bb71f6ab169a0b.tar.xz linux-d6bfa02fccf58b957f457c1bd0bb71f6ab169a0b.zip | |
powerpc: add inline functions for cache related instructions
This patch adds inline functions to use dcbz, dcbi, dcbf, dcbst
from C functions
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Scott Wood <oss@buserror.net>
Diffstat (limited to 'arch/powerpc/include/asm/cache.h')
| -rw-r--r-- | arch/powerpc/include/asm/cache.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/cache.h b/arch/powerpc/include/asm/cache.h index 5f8229e24fe6..ffbafbf76b19 100644 --- a/arch/powerpc/include/asm/cache.h +++ b/arch/powerpc/include/asm/cache.h @@ -69,6 +69,25 @@ extern void _set_L3CR(unsigned long); #define _set_L3CR(val) do { } while(0) #endif +static inline void dcbz(void *addr) +{ + __asm__ __volatile__ ("dcbz 0, %0" : : "r"(addr) : "memory"); +} + +static inline void dcbi(void *addr) +{ + __asm__ __volatile__ ("dcbi 0, %0" : : "r"(addr) : "memory"); +} + +static inline void dcbf(void *addr) +{ + __asm__ __volatile__ ("dcbf 0, %0" : : "r"(addr) : "memory"); +} + +static inline void dcbst(void *addr) +{ + __asm__ __volatile__ ("dcbst 0, %0" : : "r"(addr) : "memory"); +} #endif /* !__ASSEMBLY__ */ #endif /* __KERNEL__ */ #endif /* _ASM_POWERPC_CACHE_H */ |