static void
dec_maxine_intr(uint32_t status, vaddr_t pc, uint32_t ipending)
{
if (ipending & MIPS_INT_MASK_4)
prom_haltbutton();
/* handle clock interrupts ASAP */
if (ipending & MIPS_INT_MASK_1) {
struct clockframe cf;
__asm volatile("lbu $0,48(%0)" ::
"r"(ioasic_base + IOASIC_SLOT_8_START));
cf.pc = pc;
cf.sr = status;
cf.intr = (curcpu()->ci_idepth > 1);
hardclock(&cf);
pmax_clock_evcnt.ev_count++;
}
if (ipending & MIPS_INT_MASK_3) {
dec_maxine_ioasic_intr();
}
if (ipending & MIPS_INT_MASK_2) {
kn02ba_errintr();
pmax_memerr_evcnt.ev_count++;
}
}
static void
dec_3maxplus_intr(uint32_t status, vaddr_t pc, uint32_t ipending)
{
unsigned int old_buscycle;
if (ipending & MIPS_INT_MASK_4)
prom_haltbutton();
/* handle clock interrupts ASAP */
old_buscycle = latched_cycle_cnt;
if (ipending & MIPS_INT_MASK_1) {
struct clockframe cf;
__asm volatile("lbu $0,48(%0)" ::
"r"(ioasic_base + IOASIC_SLOT_8_START));
cf.pc = pc;
cf.sr = status;
cf.intr = (curcpu()->ci_idepth > 1);
hardclock(&cf);
pmax_clock_evcnt.ev_count++;
old_buscycle = latched_cycle_cnt - old_buscycle;
/* keep clock interrupts enabled when we return */
}
#ifdef notdef
/*
* Check for late clock interrupts (allow 10% slop). Be careful
* to do so only after calling hardclock(), due to logging cost.
* Even then, logging dropped ticks just causes more clock
* ticks to be missed.
*/
if ((ipending & MIPS_INT_MASK_1) && old_buscycle > (tick+49) * 25) {
/* XXX need to include <sys/msgbug.h> for msgbufmapped */
if (msgbufmapped && 0)
addlog("kn03: clock intr %d usec late\n",
old_buscycle/25);
}
#endif
if (ipending & MIPS_INT_MASK_0) {
dec_3maxplus_ioasic_intr();
}
if (ipending & MIPS_INT_MASK_3) {
dec_3maxplus_errintr();
pmax_memerr_evcnt.ev_count++;
}
}
static void
dec_5100_intr(uint32_t status, vaddr_t pc, uint32_t ipending)
{
uint32_t icsr;
if (ipending & MIPS_INT_MASK_4) {
#ifdef DDB
Debugger();
#else
prom_haltbutton();
#endif
}
icsr = *(volatile uint32_t *)MIPS_PHYS_TO_KSEG1(KN230_SYS_ICSR);
/* handle clock interrupts ASAP */
if (ipending & MIPS_INT_MASK_2) {
struct clockframe cf;
__asm volatile("lbu $0,48(%0)" ::
"r"(MIPS_PHYS_TO_KSEG1(KN01_SYS_CLOCK)));
cf.pc = pc;
cf.sr = status;
cf.intr = (curcpu()->ci_idepth > 1);
hardclock(&cf);
pmax_clock_evcnt.ev_count++;
}
if (ipending & MIPS_INT_MASK_0) {
CALLINTR(SYS_DEV_SCC0, KN230_CSR_INTR_DZ0);
CALLINTR(SYS_DEV_OPT0, KN230_CSR_INTR_OPT0);
CALLINTR(SYS_DEV_OPT1, KN230_CSR_INTR_OPT1);
}
if (ipending & MIPS_INT_MASK_1) {
CALLINTR(SYS_DEV_LANCE, KN230_CSR_INTR_LANCE);
CALLINTR(SYS_DEV_SCSI, KN230_CSR_INTR_SII);
}
if (ipending & MIPS_INT_MASK_3) {
dec_5100_memintr();
pmax_memerr_evcnt.ev_count++;
}
}