diff options
Diffstat (limited to 'sys/amd64/include/pcpu.h')
| -rw-r--r-- | sys/amd64/include/pcpu.h | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/sys/amd64/include/pcpu.h b/sys/amd64/include/pcpu.h index d07dbac..5d1fd4d 100644 --- a/sys/amd64/include/pcpu.h +++ b/sys/amd64/include/pcpu.h @@ -216,16 +216,29 @@ extern struct pcpu *pcpup; #define PCPU_PTR(member) __PCPU_PTR(pc_ ## member) #define PCPU_SET(member, val) __PCPU_SET(pc_ ## member, val) +#define OFFSETOF_CURTHREAD 0 static __inline __pure2 struct thread * __curthread(void) { struct thread *td; - __asm("movq %%gs:0,%0" : "=r" (td)); + __asm("movq %%gs:%1,%0" : "=r" (td) + : "m" (*(char *)OFFSETOF_CURTHREAD)); return (td); } #define curthread (__curthread()) +#define OFFSETOF_CURPCB 32 +static __inline __pure2 struct pcb * +__curpcb(void) +{ + struct pcb *pcb; + + __asm("movq %%gs:%1,%0" : "=r" (pcb) : "m" (*(char *)OFFSETOF_CURPCB)); + return (pcb); +} +#define curpcb (__curpcb()) + #define IS_BSP() (PCPU_GET(cpuid) == 0) #else /* !lint || defined(__GNUCLIKE_ASM) && defined(__GNUCLIKE___TYPEOF) */ |
