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hpet: Start/stop timer when HPET_TN_ENABLE is modified

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We have to update the qemu timer when the per-timer enable bit is
toggled, just like for HPET_CFG_ENABLE changes.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
This commit is contained in:
Jan Kiszka 2010-06-13 14:15:39 +02:00 committed by Blue Swirl
parent 822557eb8e
commit 9cec89e8db
1 changed files with 5 additions and 0 deletions
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5
hw/hpet.c
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@ -430,6 +430,11 @@ static void hpet_ram_writel(void *opaque, target_phys_addr_t addr,
printf("qemu: level-triggered hpet not supported\n"); printf("qemu: level-triggered hpet not supported\n");
exit (-1); exit (-1);
} }
if (activating_bit(old_val, new_val, HPET_TN_ENABLE)) {
hpet_set_timer(timer);
} else if (deactivating_bit(old_val, new_val, HPET_TN_ENABLE)) {
hpet_del_timer(timer);
}
break; break;
case HPET_TN_CFG + 4: // Interrupt capabilities case HPET_TN_CFG + 4: // Interrupt capabilities
DPRINTF("qemu: invalid HPET_TN_CFG+4 write\n"); DPRINTF("qemu: invalid HPET_TN_CFG+4 write\n");