diff options
Diffstat (limited to 'sys/amd64/include/cpufunc.h')
| -rw-r--r-- | sys/amd64/include/cpufunc.h | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/sys/amd64/include/cpufunc.h b/sys/amd64/include/cpufunc.h index d180f5c76afb..9a4c82275a99 100644 --- a/sys/amd64/include/cpufunc.h +++ b/sys/amd64/include/cpufunc.h @@ -76,7 +76,7 @@ static __inline void clflushopt(u_long addr) { - __asm __volatile(".byte 0x66;clflush %0" : : "m" (*(char *)addr)); + __asm __volatile("clflushopt %0" : : "m" (*(char *)addr)); } static __inline void @@ -572,6 +572,15 @@ rss(void) return (sel); } +static __inline u_short +rcs(void) +{ + u_short sel; + + __asm __volatile("movw %%cs,%0" : "=rm" (sel)); + return (sel); +} + static __inline void load_ds(u_short sel) { |