void
clock(Ureg *ureg)
{
wrcompare(rdcount()+m->maxperiod); /* side-effect: dismiss intr */
silencewdog();
timerintr(ureg, 0);
}
static void
localclockintr(Ureg *ureg, void *)
{
if(m->machno == 0)
panic("cpu0: Unexpected local generic timer interrupt");
cpwrsc(0, CpTIMER, CpTIMERphys, CpTIMERphysctl, Imask|Enable);
timerintr(ureg, 0);
}
static void
clockintr(Ureg *ureg, void *)
{
Systimers *tn;
tn = (Systimers*)SYSTIMERS;
/* dismiss interrupt */
tn->cs = 1<<3;
timerintr(ureg, 0);
}
static void
clockintr(Ureg *ureg, void *)
{
Systimers *tn;
if(m->machno != 0)
panic("cpu%d: unexpected system timer interrupt", m->machno);
tn = (Systimers*)SYSTIMERS;
/* dismiss interrupt */
tn->cs = 1<<3;
timerintr(ureg, 0);
}
void
saturntimerintr(Ureg *u, void*)
{
ushort ctl = *(ushort*)Timer_ctrl, v = 0;
if(ctl&T1_event){
v = T1_event;
ticks++;
}
*(ushort*)Timer_ctrl = timer_ctl|T0_event|v;
intack();
timerintr(u, 0);
}
static void
clockintr(Ureg* ureg, void *arg)
{
Timerregs *tn;
static int nesting;
ticks++;
coherence();
if (nesting == 0) { /* if the clock interrupted itself, bail out */
++nesting;
timerintr(ureg, 0);
--nesting;
}
tn = arg;
tn->tisr = Ovf_it; /* dismiss the interrupt */
coherence();
}
