void
ppc_dflt_splx(int newcpl)
{
struct cpu_info *ci = curcpu();
ci->ci_cpl = newcpl;
if (ci->ci_ipending & ppc_smask[newcpl])
dosoftint(newcpl);
}
/*ARGSUSED*/
void
do_interrupt(struct regs *rp, trap_trace_rec_t *ttp)
{
struct cpu *cpu = CPU;
int newipl, oldipl = cpu->cpu_pri;
uint_t vector;
caddr_t newsp;
#ifdef TRAPTRACE
ttp->ttr_marker = TT_INTERRUPT;
ttp->ttr_ipl = 0xff;
ttp->ttr_pri = oldipl;
ttp->ttr_spl = cpu->cpu_base_spl;
ttp->ttr_vector = 0xff;
#endif /* TRAPTRACE */
cpu_idle_exit(CPU_IDLE_CB_FLAG_INTR);
++*(uint16_t *)&cpu->cpu_m.mcpu_istamp;
/*
* If it's a softint go do it now.
*/
if (rp->r_trapno == T_SOFTINT) {
dosoftint(rp);
ASSERT(!interrupts_enabled());
return;
}
/*
* Raise the interrupt priority.
*/
newipl = (*setlvl)(oldipl, (int *)&rp->r_trapno);
#ifdef TRAPTRACE
ttp->ttr_ipl = newipl;
#endif /* TRAPTRACE */
/*
* Bail if it is a spurious interrupt
*/
if (newipl == -1)
return;
cpu->cpu_pri = newipl;
vector = rp->r_trapno;
#ifdef TRAPTRACE
ttp->ttr_vector = vector;
#endif /* TRAPTRACE */
if (newipl > LOCK_LEVEL) {
/*
* High priority interrupts run on this cpu's interrupt stack.
*/
if (hilevel_intr_prolog(cpu, newipl, oldipl, rp) == 0) {
newsp = cpu->cpu_intr_stack;
switch_sp_and_call(newsp, dispatch_hilevel, vector, 0);
} else { /* already on the interrupt stack */
dispatch_hilevel(vector, 0);
}
(void) hilevel_intr_epilog(cpu, newipl, oldipl, vector);
} else {
/*
* Run this interrupt in a separate thread.
*/
newsp = intr_thread_prolog(cpu, (caddr_t)rp, newipl);
switch_sp_and_call(newsp, dispatch_hardint, vector, oldipl);
}
#if !defined(__xpv)
/*
* Deliver any pending soft interrupts.
*/
if (cpu->cpu_softinfo.st_pending)
dosoftint(rp);
#endif /* !__xpv */
}
