On Wed, Feb 08, 2012 at 12:00:19PM +0100, Gerd Hoffmann wrote:
> 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 <kra...@redhat.com>
> ---
> hw/mc146818rtc.c | 5 +++++
> 1 files changed, 5 insertions(+), 0 deletions(-)
>
> diff --git a/hw/mc146818rtc.c b/hw/mc146818rtc.c
> index 314ed52..3b912c6 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;
> @@ -437,6 +438,9 @@ static void rtc_update_second2(void *opaque)
>
> s->cmos_data[RTC_REG_C] |= REG_C_AF;
> if (s->cmos_data[RTC_REG_B] & REG_B_AIE) {
> + if (s->wakeup) {
> + qemu_system_wakeup_request();
> + }
RTC should do wakeup only if RTC_EN bit is set pm1en.
> qemu_irq_raise(s->irq);
> s->cmos_data[RTC_REG_C] |= REG_C_IRQF;
> }
> @@ -725,6 +729,7 @@ static Property mc146818rtc_properties[] = {
> DEFINE_PROP_INT32("base_year", RTCState, base_year, 1980),
> DEFINE_PROP_LOSTTICKPOLICY("lost_tick_policy", RTCState,
> lost_tick_policy, LOST_TICK_DISCARD),
> + DEFINE_PROP_UINT32("wakeup", RTCState, wakeup, 1),
> DEFINE_PROP_END_OF_LIST(),
> };
>
> --
> 1.7.1
>
>
--
Gleb.
