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| author | kib <kib@FreeBSD.org> | 2015-10-23 11:45:38 +0000 |
|---|---|---|
| committer | kib <kib@FreeBSD.org> | 2015-10-23 11:45:38 +0000 |
| commit | 7eb36dd3f94bbdd22cd44fd0fd1c86eb868bef1f (patch) | |
| tree | 127aabf1ee0b6748a80f26ee161a3ea03254c738 /sys/amd64 | |
| parent | 89907eb85ed4dd71ebc419a28a2bbff1690445da (diff) | |
| download | FreeBSD-src-7eb36dd3f94bbdd22cd44fd0fd1c86eb868bef1f.zip FreeBSD-src-7eb36dd3f94bbdd22cd44fd0fd1c86eb868bef1f.tar.gz | |
Add CLFLUSHOPT instruction wrappers.
Sponsored by: The FreeBSD Foundation
MFC after: 1 week
Diffstat (limited to 'sys/amd64')
| -rw-r--r-- | sys/amd64/include/cpufunc.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/sys/amd64/include/cpufunc.h b/sys/amd64/include/cpufunc.h index c0c5b0a..f2961d6 100644 --- a/sys/amd64/include/cpufunc.h +++ b/sys/amd64/include/cpufunc.h @@ -107,6 +107,13 @@ clflush(u_long addr) } static __inline void +clflushopt(u_long addr) +{ + + __asm __volatile(".byte 0x66;clflush %0" : : "m" (*(char *)addr)); +} + +static __inline void clts(void) { |
