diff options
Diffstat (limited to 'sys/i386/include')
| -rw-r--r-- | sys/i386/include/pcpu.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/sys/i386/include/pcpu.h b/sys/i386/include/pcpu.h index 3110f9f..1ec6f58 100644 --- a/sys/i386/include/pcpu.h +++ b/sys/i386/include/pcpu.h @@ -76,6 +76,7 @@ extern struct pcpu *pcpup; +#define get_pcpu() (pcpup) #define PCPU_GET(member) (pcpup->pc_ ## member) #define PCPU_ADD(member, val) (pcpup->pc_ ## member += (val)) #define PCPU_INC(member) PCPU_ADD(member, 1) @@ -196,6 +197,15 @@ extern struct pcpu *pcpup; } \ } while (0) +#define get_pcpu() __extension__ ({ \ + struct pcpu *__pc; \ + \ + __asm __volatile("movl %%fs:%1,%0" \ + : "=r" (__pc) \ + : "m" (*(struct pcpu *)(__pcpu_offset(pc_prvspace)))); \ + __pc; \ +}) + #define PCPU_GET(member) __PCPU_GET(pc_ ## member) #define PCPU_ADD(member, val) __PCPU_ADD(pc_ ## member, val) #define PCPU_INC(member) __PCPU_INC(pc_ ## member) |
