diff options
Diffstat (limited to 'sys/powerpc/powerpc/trap.c')
| -rw-r--r-- | sys/powerpc/powerpc/trap.c | 34 |
1 files changed, 20 insertions, 14 deletions
diff --git a/sys/powerpc/powerpc/trap.c b/sys/powerpc/powerpc/trap.c index 21888fa79236..ecbda6fc01cd 100644 --- a/sys/powerpc/powerpc/trap.c +++ b/sys/powerpc/powerpc/trap.c @@ -578,12 +578,13 @@ copyin(udaddr, kaddr, len) void *kaddr; size_t len; { - const char *up; - char *kp; - char *p; - size_t l; - faultbuf env; - uint segment; + const char *up; + char *kp, *p; + size_t l; + faultbuf env; + uint segment; + struct thread *td; + pmap_t pm; up = udaddr; kp = kaddr; @@ -594,13 +595,15 @@ copyin(udaddr, kaddr, len) return EFAULT; } #endif + td = PCPU_GET(curthread); + pm = &td->td_proc->p_vmspace->vm_pmap; while (len > 0) { p = (char *)USER_ADDR + ((u_int)up & ~SEGMENT_MASK); l = ((char *)USER_ADDR + SEGMENT_LENGTH) - p; if (l > len) l = len; segment = (uint)up >> ADDR_SR_SHFT; - setusr(PCPU_GET(curpcb)->pcb_pm->pm_sr[segment]); + setusr(pm->pm_sr[segment]); bcopy(p, kp, l); up += l; kp += l; @@ -616,12 +619,13 @@ copyout(kaddr, udaddr, len) void *udaddr; size_t len; { - const char *kp; - char *up; - char *p; - size_t l; - faultbuf env; - uint segment; + const char *kp; + char *up, *p; + size_t l; + faultbuf env; + unsigned int segment; + struct thread *td; + pmap_t pm; kp = kaddr; up = udaddr; @@ -632,13 +636,15 @@ copyout(kaddr, udaddr, len) return EFAULT; } #endif + td = PCPU_GET(curthread); + pm = &td->td_proc->p_vmspace->vm_pmap; while (len > 0) { p = (char *)USER_ADDR + ((u_int)up & ~SEGMENT_MASK); l = ((char *)USER_ADDR + SEGMENT_LENGTH) - p; if (l > len) l = len; segment = (u_int)up >> ADDR_SR_SHFT; - setusr(PCPU_GET(curpcb)->pcb_pm->pm_sr[segment]); + setusr(pm->pm_sr[segment]); bcopy(kp, p, l); up += l; kp += l; |