static void
clockintr(Ureg*, void*)
{
Clock0link *lp;
int losttick = 0;
OstmrReg *ost = OSTMRREG;
{static int tag, led; if(++tag >= HZ){ledset(led ^= 1);tag=0;}}
m->ticks++;
// ost->osmr[3] = ost->oscr + timer_incr[3]; /* restart the watchdog */
ost->osmr[0] += timer_incr[0]; /* advance the clock tick */
ost->ossr = (1<<0); /* Clear the SR */
while((ost->osmr[0] - ost->oscr) >= 0x80000000) {
ost->osmr[0] += timer_incr[0];
losttick++;
m->ticks++;
}
checkalarms();
if(canlock(&clock0lock)){
for(lp = clock0link; lp; lp = lp->link)
if(lp->clock)
lp->clock();
unlock(&clock0lock);
}
/* round robin time slice is done by trap.c and proc.c */
}
void
clockintr(Ureg *ur)
{
Clock0link *lp;
/* PIT was set to reload automatically */
puttsr(~0);
m->ticks++;
if(up)
up->pc = ur->pc;
if(archclocktick != nil)
archclocktick();
checkalarms();
if(m->machno == 0) {
if(kproftick != nil)
(*kproftick)(ur->pc);
lock(&clock0lock);
for(lp = clock0link; lp; lp = lp->link)
lp->clock();
unlock(&clock0lock);
}
if(up && up->state == Running){
if(cflag && up->type == Interp && tready(nil))
ur->cr |= 1; /* set flag in condition register for ../../interp/comp-power.c:/^schedcheck */
if(anyready())
sched();
}
}
void
hzclock(Ureg *ur)
{
m->ticks++;
if(m->proc)
m->proc->pc = ur->pc;
if(m->flushmmu){
if(up)
flushmmu();
m->flushmmu = 0;
}
accounttime();
kmapinval();
if(kproftimer != nil)
kproftimer(ur->pc);
if((active.machs&(1<<m->machno)) == 0)
return;
if(active.exiting) {
print("someone's exiting\n");
exit(0);
}
checkalarms();
if(up && up->state == Running)
hzsched(); /* in proc.c */
}
static void
clockintr(Ureg*, void*)
{
Clock0link *lp;
m->ticks++;
checkalarms();
if(canlock(&clock0lock)){
for(lp = clock0link; lp; lp = lp->link)
if (lp->clock)
lp->clock();
unlock(&clock0lock);
}
intrclear(TIMERbit(0), 0);
}
void
hzclock(Ureg *ur)
{
Proc *up = externup();
uintptr_t pc;
machp()->ticks++;
if(machp()->machno == 0)
sys->ticks = machp()->ticks;
pc = userpc(ur);
if(machp()->proc)
machp()->proc->pc = pc;
if(machp()->mmuflush){
if(up)
mmuflush();
machp()->mmuflush = 0;
}
accounttime();
kmapinval();
if(kproftimer != nil)
kproftimer(pc);
oprof_alarm_handler(ur);
if(machp()->online == 0)
return;
if(active.exiting) {
print("someone's exiting\n");
exit(0);
}
if(machp()->machno == 0) {
/* since sys->ticks is only updated if machp()->machno == 0 */
checkalarms();
}
if(up && up->state == Running)
hzsched(); /* in proc.c */
}
static void
clockintr(Ureg*, void*)
{
Clock0link *lp;
static int blip, led;
if(++blip >= HZ){
blip = 0;
ledset(led ^= 1);
}
m->ticks++;
checkalarms();
if(canlock(&clock0lock)){
for(lp = clock0link; lp; lp = lp->link)
if(lp->clock)
lp->clock();
unlock(&clock0lock);
}
/* round robin time slice is done by trap.c and proc.c */
}
