From d6bfa02fccf58b957f457c1bd0bb71f6ab169a0b Mon Sep 17 00:00:00 2001 From: Christophe Leroy Date: Tue, 9 Feb 2016 17:08:23 +0100 Subject: [PATCH] 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 Signed-off-by: Scott Wood --- 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 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 */ -- 2.20.1