void
exit(int ispanic)
{
int ms, once;
lock(&active);
if(ispanic)
active.ispanic = ispanic;
else if(m->machno == 0 && (active.machs & (1<<m->machno)) == 0)
active.ispanic = 0;
once = active.machs & (1<<m->machno);
active.machs &= ~(1<<m->machno);
active.exiting = 1;
unlock(&active);
if(once)
print("cpu%d: exiting\n", m->machno);
spllo();
for(ms = 5*1000; ms > 0; ms -= TK2MS(2)){
delay(TK2MS(2));
if(active.machs == 0 && consactive() == 0)
break;
}
if(active.ispanic && m->machno == 0){
if(cpuserver)
delay(10000);
else if(conf.monitor)
for(;;);
}
else
delay(1000);
}
static void
shutdown(int ispanic)
{
int ms, once;
lock(&active);
if(ispanic)
active.ispanic = ispanic;
else if(m->machno == 0 && (active.machs & (1<<m->machno)) == 0)
active.ispanic = 0;
once = active.machs & (1<<m->machno);
active.machs &= ~(1<<m->machno);
active.exiting = 1;
unlock(&active);
if(once)
iprint("cpu%d: exiting\n", m->machno);
spllo();
for(ms = 5*1000; ms > 0; ms -= TK2MS(2)){
delay(TK2MS(2));
if(active.machs == 0 && consactive() == 0)
break;
}
delay(1000);
}
void
exit(int ispanic)
{
canlock(&active);
active.machs &= ~(1<<m->machno);
active.exiting = 1;
unlock(&active);
spllo();
print("cpu %d exiting\n", m->machno);
do
delay(100);
while(consactive());
splhi();
delay(1000); /* give serial fifo time to finish flushing */
if (getconf("*debug") != nil) {
USED(ispanic);
delay(60*1000); /* give us time to read the screen */
}
if(arch->coredetach)
arch->coredetach();
setupboot(1); // set up to halt
for (; ; )
firmware();
// on PC is just:
//if (0) {
// shutdown(ispanic);
// arch->reset();
//}
}
void prflush(void)
{
long times = 0;
while (consactive())
if (times++ > 1000)
break;
}
static void prflush(void)
{
uint32_t now;
now = m->ticks;
while (serwrite == NULL && consactive())
if (m->ticks - now >= HZ)
break;
}
static void
prflush(void)
{
ulong now;
now = m->ticks;
while(serwrite==nil && consactive())
if(m->ticks - now >= HZ)
break;
}
void
prflush(void)
{
ulong now;
now = m->ticks;
while(consactive())
if(m->ticks - now >= HZ)
break;
}
static void
shutdown(int ispanic)
{
int ms, once;
lock(&active);
if(ispanic)
active.ispanic = ispanic;
else if(m->machno == 0 && (active.machs & (1<<m->machno)) == 0)
active.ispanic = 0;
once = active.machs & (1<<m->machno);
/*
* setting exiting will make hzclock() on each processor call exit(0),
* which calls shutdown(0) and arch->reset(), which on mp systems is
* mpshutdown, which idles non-bootstrap cpus and returns on bootstrap
* processors (to permit a reboot). clearing our bit in machs avoids
* calling exit(0) from hzclock() on this processor.
*/
active.machs &= ~(1<<m->machno);
active.exiting = 1;
unlock(&active);
if(once)
iprint("cpu%d: exiting\n", m->machno);
/* wait for any other processors to shutdown */
spllo();
for(ms = 5*1000; ms > 0; ms -= TK2MS(2)){
delay(TK2MS(2));
if(active.machs == 0 && consactive() == 0)
break;
}
if(active.ispanic){
if(!cpuserver)
for(;;)
halt();
if(getconf("*debug"))
delay(5*60*1000);
else
delay(10000);
}else
delay(1000);
}
static void
shutdown(int ispanic)
{
int ms, once;
lock(&active);
if(ispanic)
active.ispanic = ispanic;
else if(m->machno == 0 && (active.machs & (1<<m->machno)) == 0)
active.ispanic = 0;
once = active.machs & (1<<m->machno);
/*
* setting exiting will make hzclock() on each processor call exit(0),
* which calls shutdown(0) and idles non-bootstrap cpus and returns
* on bootstrap processors (to permit a reboot). clearing our bit
* in machs avoids calling exit(0) from hzclock() on this processor.
*/
active.machs &= ~(1<<m->machno);
active.exiting = 1;
unlock(&active);
if(once) {
delay(m->machno*1000); /* stagger them */
iprint("cpu%d: exiting\n", m->machno);
}
spllo();
if (m->machno == 0)
ms = 5*1000;
else
ms = 2*1000;
for(; ms > 0; ms -= TK2MS(2)){
delay(TK2MS(2));
if(active.machs == 0 && consactive() == 0)
break;
}
delay(500);
}
static void
shutdown(int ispanic)
{
int ms, once;
lock(&active);
if(ispanic)
active.ispanic = ispanic;
else if(m->machno == 0 && m->online == 0)
active.ispanic = 0;
once = m->online;
m->online = 0;
adec(&active.nonline);
active.exiting = 1;
unlock(&active);
if(once)
iprint("cpu%d: exiting\n", m->machno);
spllo();
for(ms = 5*1000; ms > 0; ms -= TK2MS(2)){
delay(TK2MS(2));
if(active.nonline == 0 && consactive() == 0)
break;
}
if(active.ispanic && m->machno == 0){
if(cpuserver)
delay(30000);
else
for(;;)
halt();
}
else
delay(1000);
}
void
shutdown(int ispanic)
{
int ms, once;
lock(&active);
if(ispanic)
active.ispanic = ispanic;
else if(m->machno == 0 && (active.machs & (1<<m->machno)) == 0)
active.ispanic = 0;
once = active.machs & (1<<m->machno);
active.machs &= ~(1<<m->machno);
active.exiting = 1;
unlock(&active);
if(once)
print("cpu%d: exiting\n", m->machno);
spllo();
for(ms = 5*1000; ms > 0; ms -= TK2MS(2)){
delay(TK2MS(2));
if(active.machs == 0 && consactive() == 0)
break;
}
#ifdef notdef
if(active.ispanic && m->machno == 0){
if(cpuserver)
delay(30000);
else
for(;;)
halt();
}
else
#endif /* notdef */
delay(1000);
}