Messages in this thread Patch in this message | | | From | Christophe Leroy <> | Subject | [PATCH v2 21/25] powerpc: add inline functions for cache related instructions | Date | Tue, 22 Sep 2015 18:51:11 +0200 (CEST) |
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This patch adds inline functions to use dcbz, dcbi, dcbf, dcbst from C functions
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr> --- New in v2
arch/powerpc/include/asm/cache.h | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+)
diff --git a/arch/powerpc/include/asm/cache.h b/arch/powerpc/include/asm/cache.h index 0dc42c5..a2de4f0 100644 --- a/arch/powerpc/include/asm/cache.h +++ b/arch/powerpc/include/asm/cache.h @@ -76,6 +76,25 @@ 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 */ -- 2.1.0
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