| Line 68... |
Line 68... |
switch (mode) {
|
switch (mode) {
|
case 1:
|
case 1:
|
if (!param) {
|
if (!param) {
|
sprs[SPR_TTCR] = ttcr = 0;
|
sprs[SPR_TTCR] = ttcr = 0;
|
cycles_start = runtime.sim.cycles - ttcr;
|
cycles_start = runtime.sim.cycles - ttcr;
|
SCHED_ADD(tick_job, (void *)0, runtime.sim.cycles + (ttmr & SPR_TTMR_PERIOD) - ttcr);
|
SCHED_ADD(tick_job, (void *)0, (ttmr & SPR_TTMR_PERIOD) - ttcr);
|
}
|
}
|
case 2:
|
case 2:
|
if (ttmr & SPR_TTMR_IE) {
|
if (ttmr & SPR_TTMR_IE) {
|
setsprbits(SPR_TTMR, SPR_TTMR_IP, 1);
|
setsprbits(SPR_TTMR, SPR_TTMR_IP, 1);
|
/* be sure not to issue timer exception if an exception occured before it */
|
/* be sure not to issue timer exception if an exception occured before it */
|
if ((mfspr(SPR_SR) & SPR_SR_TEE) == SPR_SR_TEE)
|
if ((mfspr(SPR_SR) & SPR_SR_TEE) == SPR_SR_TEE)
|
except_handle(EXCEPT_TICK, mfspr(SPR_EEAR_BASE));
|
except_handle(EXCEPT_TICK, mfspr(SPR_EEAR_BASE));
|
else
|
else
|
/* If TEE is currently not set we have to pend tick exception
|
/* If TEE is currently not set we have to pend tick exception
|
by rescheduling. */
|
by rescheduling. */
|
SCHED_ADD(tick_job, (void *)1, runtime.sim.cycles + 1);
|
SCHED_ADD(tick_job, (void *)1, 1);
|
}
|
}
|
break;
|
break;
|
}
|
}
|
}
|
}
|
|
|
| Line 95... |
Line 95... |
ttcr = value;
|
ttcr = value;
|
/* Remove previous if it exists */
|
/* Remove previous if it exists */
|
SCHED_FIND_REMOVE(tick_job, (void *)0);
|
SCHED_FIND_REMOVE(tick_job, (void *)0);
|
SCHED_FIND_REMOVE(tick_job, (void *)1);
|
SCHED_FIND_REMOVE(tick_job, (void *)1);
|
if (mode == 1 || mode == 2) {
|
if (mode == 1 || mode == 2) {
|
SCHED_ADD(tick_job, (void *)0, runtime.sim.cycles + (ttmr & SPR_TTMR_PERIOD) - ttcr);
|
SCHED_ADD(tick_job, (void *)0, (ttmr & SPR_TTMR_PERIOD) - ttcr);
|
cycles_start = runtime.sim.cycles - ttcr;
|
cycles_start = runtime.sim.cycles - ttcr;
|
}
|
}
|
}
|
}
|
|
|
void spr_write_ttmr (unsigned long value)
|
void spr_write_ttmr (unsigned long value)
|
| Line 115... |
Line 115... |
case 1: /* Timer should auto restart */
|
case 1: /* Timer should auto restart */
|
sprs[SPR_TTCR] = ttcr = 0;
|
sprs[SPR_TTCR] = ttcr = 0;
|
cycles_start = runtime.sim.cycles;
|
cycles_start = runtime.sim.cycles;
|
SCHED_FIND_REMOVE(tick_job, (void *)0);
|
SCHED_FIND_REMOVE(tick_job, (void *)0);
|
SCHED_FIND_REMOVE(tick_job, (void *)1);
|
SCHED_FIND_REMOVE(tick_job, (void *)1);
|
SCHED_ADD(tick_job, (void *)0, runtime.sim.cycles + (ttmr & SPR_TTMR_PERIOD) - ttcr);
|
SCHED_ADD(tick_job, (void *)0, (ttmr & SPR_TTMR_PERIOD) - ttcr);
|
break;
|
break;
|
case 2: /* Stop the timer when match */
|
case 2: /* Stop the timer when match */
|
SCHED_FIND_REMOVE(tick_job, (void *)0);
|
SCHED_FIND_REMOVE(tick_job, (void *)0);
|
SCHED_FIND_REMOVE(tick_job, (void *)1);
|
SCHED_FIND_REMOVE(tick_job, (void *)1);
|
break;
|
break;
|
