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include/cpu/x86: Add clflush inline function 

Change-Id: I74c5cc22f02302314ba010bc599051c1495a13cb
Signed-off-by: Marshall Dawson <marshalldawson3rd@gmail.com>
Reviewed-on: https://review.coreboot.org/22848
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
This commit is contained in:
Marshall Dawson 2017-12-13 12:04:14 -07:00 committed by Martin Roth
parent d1cc3c213f
commit 1731a33e32
1 changed files with 5 additions and 0 deletions
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5
src/include/cpu/x86/cache.h
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@ -50,6 +50,11 @@ static inline void invd(void)
asm volatile("invd" ::: "memory"); asm volatile("invd" ::: "memory");
} }
static inline void clflush(void *addr)
{
asm volatile ("clflush (%0)"::"r" (addr));
}
/* The following functions require the always_inline due to AMD /* The following functions require the always_inline due to AMD
* function STOP_CAR_AND_CPU that disables cache as * function STOP_CAR_AND_CPU that disables cache as
* RAM, the cache as RAM stack can no longer be used. Called * RAM, the cache as RAM stack can no longer be used. Called