| Message ID | cceec6246b12b6639e2fbe2ad5d70d93356196b6.1442939410.git.christophe.leroy@c-s.fr (mailing list archive) |
|---|---|
| State | Superseded |
| Delegated to: | Scott Wood |
| Headers | show |
On Tue, Sep 22, 2015 at 06:51:11PM +0200, Christophe Leroy wrote: > 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(+) This patch needs to come before patch 20/25, which uses dcbz(). -Scott
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 */
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(+)