Mailing List Archive

Add a 'wakeup' property to the mc146818rtc. It is on by default.
When enabled the rtc will wake up the guest when the alarm fires.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
---
hw/mc146818rtc.c | 5 +++++
1 files changed, 5 insertions(+), 0 deletions(-)

diff --git a/hw/mc146818rtc.c b/hw/mc146818rtc.c
index ae4e16c..039c603 100644
--- a/hw/mc146818rtc.c
+++ b/hw/mc146818rtc.c
@@ -86,6 +86,7 @@ typedef struct RTCState {
uint8_t cmos_index;
struct tm current_tm;
int32_t base_year;
+ uint32_t wakeup;
qemu_irq irq;
qemu_irq sqw_irq;
int it_shift;
@@ -431,6 +432,9 @@ static void rtc_update_second2(void *opaque)
((s->cmos_data[RTC_HOURS_ALARM] & 0xc0) == 0xc0 ||
rtc_from_bcd(s, s->cmos_data[RTC_HOURS_ALARM]) == s->current_tm.tm_hour)) {

+ if (s->wakeup) {
+ qemu_system_wakeup_request();
+ }
s->cmos_data[RTC_REG_C] |= 0xa0;
qemu_irq_raise(s->irq);
}
@@ -714,6 +718,7 @@ static ISADeviceInfo mc146818rtc_info = {
.init = rtc_initfn,
.qdev.props = (Property[]) {
DEFINE_PROP_INT32("base_year", RTCState, base_year, 1980),
+ DEFINE_PROP_UINT32("wakeup", RTCState, wakeup, 1),
DEFINE_PROP_END_OF_LIST(),
}
};
--
1.7.1


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