diff options
| author | Marshall Dawson <marshalldawson3rd@gmail.com> | 2017-12-13 12:04:14 -0700 |
|---|---|---|
| committer | Martin Roth <martinroth@google.com> | 2017-12-20 16:36:43 +0000 |
| commit | 1731a33e322e3760de2ffb5349923a592ebe97ac (patch) | |
| tree | 0d99d79c99e2632769f5f3e1f9630651ec012b39 /src/include/cpu/x86 | |
| parent | d1cc3c213f94c6a75cf4613bf302c7a8f8c06b14 (diff) | |
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>
Diffstat (limited to 'src/include/cpu/x86')
| -rw-r--r-- | src/include/cpu/x86/cache.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/include/cpu/x86/cache.h b/src/include/cpu/x86/cache.h index 2c8c44b531..e0a335971b 100644 --- a/src/include/cpu/x86/cache.h +++ b/src/include/cpu/x86/cache.h @@ -50,6 +50,11 @@ static inline void invd(void) 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 * function STOP_CAR_AND_CPU that disables cache as * RAM, the cache as RAM stack can no longer be used. Called |