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hpet: ignore high bits of comparator in 32-bit mode

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Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Paolo Bonzini 2024-07-10 10:53:05 +02:00
parent f0ccf77078
commit 9eb7fad354
2 changed files with 5 additions and 0 deletions
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4
hw/timer/hpet.c
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@ -585,6 +585,10 @@ static void hpet_ram_write(void *opaque, hwaddr addr,
}
break;
case HPET_TN_CMP + 4: // comparator register high order
if (timer->config & HPET_TN_32BIT) {
trace_hpet_ram_write_invalid_tn_cmp();
break;
}
trace_hpet_ram_write_tn_cmp(4);
if (!timer_is_periodic(timer)
|| (timer->config & HPET_TN_SETVAL)) {