/*
* External input interrupt routine
*/
void
powerpc_extr_interrupt(struct trapframe *framep)
{
critical_enter();
PIC_DISPATCH(root_pic, framep);
critical_exit();
framep->srr1 &= ~PSL_WE;
}
/*
* A very short dispatch, to try and maximise assembler code use
* between all exception types. Maybe 'true' interrupts should go
* here, and the trap code can come in separately
*/
void
powerpc_interrupt(struct trapframe *framep)
{
struct thread *td;
struct trapframe *oldframe;
register_t ee;
td = curthread;
CTR2(KTR_INTR, "%s: EXC=%x", __func__, framep->exc);
switch (framep->exc) {
case EXC_EXI:
critical_enter();
PIC_DISPATCH(root_pic, framep);
critical_exit();
break;
case EXC_DECR:
critical_enter();
atomic_add_int(&td->td_intr_nesting_level, 1);
oldframe = td->td_intr_frame;
td->td_intr_frame = framep;
decr_intr(framep);
td->td_intr_frame = oldframe;
atomic_subtract_int(&td->td_intr_nesting_level, 1);
critical_exit();
break;
#ifdef HWPMC_HOOKS
case EXC_PERF:
critical_enter();
KASSERT(pmc_intr != NULL, ("Performance exception, but no handler!"));
(*pmc_intr)(PCPU_GET(cpuid), framep);
if (pmc_hook && (PCPU_GET(curthread)->td_pflags & TDP_CALLCHAIN))
pmc_hook(PCPU_GET(curthread), PMC_FN_USER_CALLCHAIN, framep);
critical_exit();
break;
#endif
default:
/* Re-enable interrupts if applicable. */
ee = framep->srr1 & PSL_EE;
if (ee != 0)
mtmsr(mfmsr() | ee);
trap(framep);
}
}
/*
* A very short dispatch, to try and maximise assembler code use
* between all exception types. Maybe 'true' interrupts should go
* here, and the trap code can come in separately
*/
void
powerpc_interrupt(struct trapframe *framep)
{
struct thread *td;
struct trapframe *oldframe;
register_t ee;
td = curthread;
CTR2(KTR_INTR, "%s: EXC=%x", __func__, framep->exc);
switch (framep->exc) {
case EXC_EXI:
critical_enter();
PIC_DISPATCH(root_pic, framep);
critical_exit();
break;
case EXC_DECR:
critical_enter();
atomic_add_int(&td->td_intr_nesting_level, 1);
oldframe = td->td_intr_frame;
td->td_intr_frame = framep;
decr_intr(framep);
td->td_intr_frame = oldframe;
atomic_subtract_int(&td->td_intr_nesting_level, 1);
critical_exit();
break;
default:
/* Re-enable interrupts if applicable. */
ee = framep->srr1 & PSL_EE;
if (ee != 0)
mtmsr(mfmsr() | ee);
trap(framep);
}
}
