diff options
| -rw-r--r-- | hw/hpet.c | 29 |
1 files changed, 29 insertions, 0 deletions
@@ -240,6 +240,24 @@ static int hpet_post_load(void *opaque, int version_id) return 0; } +static bool hpet_rtc_irq_level_needed(void *opaque) +{ + HPETState *s = opaque; + + return s->rtc_irq_level != 0; +} + +static const VMStateDescription vmstate_hpet_rtc_irq_level = { + .name = "hpet/rtc_irq_level", + .version_id = 1, + .minimum_version_id = 1, + .minimum_version_id_old = 1, + .fields = (VMStateField[]) { + VMSTATE_UINT8(rtc_irq_level, HPETState), + VMSTATE_END_OF_LIST() + } +}; + static const VMStateDescription vmstate_hpet_timer = { .name = "hpet_timer", .version_id = 1, @@ -273,6 +291,14 @@ static const VMStateDescription vmstate_hpet = { VMSTATE_STRUCT_VARRAY_UINT8(timer, HPETState, num_timers, 0, vmstate_hpet_timer, HPETTimer), VMSTATE_END_OF_LIST() + }, + .subsections = (VMStateSubsection[]) { + { + .vmsd = &vmstate_hpet_rtc_irq_level, + .needed = hpet_rtc_irq_level_needed, + }, { + /* empty */ + } } }; @@ -636,6 +662,9 @@ static void hpet_reset(DeviceState *d) hpet_cfg.hpet[s->hpet_id].event_timer_block_id = (uint32_t)s->capability; hpet_cfg.hpet[s->hpet_id].address = sysbus_from_qdev(d)->mmio[0].addr; count = 1; + + /* to document that the RTC lowers its output on reset as well */ + s->rtc_irq_level = 0; } static void hpet_handle_rtc_irq(void *opaque, int n, int level) |