diff options
Diffstat (limited to 'sys/amd64/include/cpufunc.h')
| -rw-r--r-- | sys/amd64/include/cpufunc.h | 21 |
1 files changed, 15 insertions, 6 deletions
diff --git a/sys/amd64/include/cpufunc.h b/sys/amd64/include/cpufunc.h index 9a4052f..39868df 100644 --- a/sys/amd64/include/cpufunc.h +++ b/sys/amd64/include/cpufunc.h @@ -86,20 +86,29 @@ static __inline void disable_intr(void) { __asm __volatile("cli" : : : "memory"); -#ifdef SMP - MPINTR_LOCK(); -#endif } static __inline void enable_intr(void) { -#ifdef SMP - MPINTR_UNLOCK(); -#endif __asm __volatile("sti"); } +static __inline u_int +save_intr(void) +{ + u_int ef; + + __asm __volatile("pushfl; popl %0" : "=r" (ef)); + return (ef); +} + +static __inline void +restore_intr(u_int ef) +{ + __asm __volatile("pushl %0; popfl" : : "r" (ef) : "memory" ); +} + #define HAVE_INLINE_FFS static __inline int |
