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| author | jeff <jeff@FreeBSD.org> | 2008-04-18 05:47:56 +0000 |
|---|---|---|
| committer | jeff <jeff@FreeBSD.org> | 2008-04-18 05:47:56 +0000 |
| commit | b82673ba4013eb3ba1119759eae545aea4599a33 (patch) | |
| tree | 20907530b877615853105653b47e518194e874d0 /sys/i386/include/cpufunc.h | |
| parent | 710f14abddab8d6ceeac136f46a2ac3a2550461d (diff) | |
| download | FreeBSD-src-b82673ba4013eb3ba1119759eae545aea4599a33.zip FreeBSD-src-b82673ba4013eb3ba1119759eae545aea4599a33.tar.gz | |
- Add inlines for the monitor and mwait instructions.
Sponsored by: Nokia
Diffstat (limited to 'sys/i386/include/cpufunc.h')
| -rw-r--r-- | sys/i386/include/cpufunc.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/sys/i386/include/cpufunc.h b/sys/i386/include/cpufunc.h index f3f6715..85b3f3d 100644 --- a/sys/i386/include/cpufunc.h +++ b/sys/i386/include/cpufunc.h @@ -106,6 +106,19 @@ enable_intr(void) __asm __volatile("sti"); } +static inline void +cpu_monitor(const void *addr, int extensions, int hints) +{ + __asm __volatile("monitor;" + : :"a" (addr), "c" (extensions), "d"(hints)); +} + +static inline void +cpu_mwait(int extensions, int hints) +{ + __asm __volatile("mwait;" : :"a" (hints), "c" (extensions)); +} + #ifdef _KERNEL #define HAVE_INLINE_FFS |
