diff options
Diffstat (limited to 'sys/include/arch/amd64/cdefs.h')
| -rw-r--r-- | sys/include/arch/amd64/cdefs.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/sys/include/arch/amd64/cdefs.h b/sys/include/arch/amd64/cdefs.h index 256fd8b..bab0c89 100644 --- a/sys/include/arch/amd64/cdefs.h +++ b/sys/include/arch/amd64/cdefs.h @@ -41,5 +41,6 @@ #define md_pause() __ASMV("rep; nop") /* (F3 90) PAUSE */ #define md_intoff() __ASMV("cli") /* Clear interrupts */ #define md_inton() __ASMV("sti") /* Enable interrupts */ +#define md_hlt() __ASMV("hlt") /* Halt the processor */ #endif /* !_AMD64_CDEFS_H_ */ |