diff options
Diffstat (limited to 'sys/powerpc/powerpc/trap.c')
-rw-r--r-- | sys/powerpc/powerpc/trap.c | 17 |
1 files changed, 10 insertions, 7 deletions
diff --git a/sys/powerpc/powerpc/trap.c b/sys/powerpc/powerpc/trap.c index 96a4f94..742003c 100644 --- a/sys/powerpc/powerpc/trap.c +++ b/sys/powerpc/powerpc/trap.c @@ -125,7 +125,7 @@ static struct powerpc_exception powerpc_exceptions[] = { { 0x1100, "data load tlb miss" }, { 0x1200, "data store tlb miss" }, { 0x1300, "instruction breakpoint" }, - { 0x1400, "system management" }, + { 0x1400, "system management" }, { 0x1600, "altivec assist" }, { 0x1700, "thermal management" }, { 0x2000, "run mode/trace" }, @@ -345,11 +345,14 @@ syscall(struct trapframe *frame) p = td->td_proc; atomic_add_int(&cnt.v_syscall, 1); - + + if (p->p_flag & P_SA) + thread_user_enter(p, td); + code = frame->fixreg[0]; params = (caddr_t)(frame->fixreg + FIRSTARG); n = NARGREG; - + if (p->p_sysent->sv_prepsyscall) { /* * The prep code is MP aware. @@ -413,7 +416,7 @@ syscall(struct trapframe *frame) } switch (error) { case 0: - if ((frame->fixreg[0] == SYS___syscall) && + if ((frame->fixreg[0] == SYS___syscall) && (code != SYS_lseek)) { /* * 64-bit return, 32-bit syscall. Fixup byte order @@ -449,7 +452,7 @@ syscall(struct trapframe *frame) break; } - + if ((callp->sy_narg & SYF_MPSAFE) == 0) mtx_unlock(&Giant); @@ -466,7 +469,7 @@ syscall(struct trapframe *frame) WITNESS_WARN(WARN_PANIC, NULL, "System call %s returning", (code >= 0 && code < SYS_MAXSYSCALL) ? syscallnames[code] : "???"); mtx_assert(&sched_lock, MA_NOTOWNED); - mtx_assert(&Giant, MA_NOTOWNED); + mtx_assert(&Giant, MA_NOTOWNED); } static int @@ -499,7 +502,7 @@ trap_pfault(struct trapframe *frame, int user) if ((eva >> ADDR_SR_SHFT) == USER_SR) { if (p->p_vmspace == NULL) return (SIGSEGV); - + __asm ("mfsr %0, %1" : "=r"(user_sr) : "K"(USER_SR)); |