From mboxrd@z Thu Jan 1 00:00:00 1970 From: Gerd Hoffmann Subject: [PATCH v2 6/6] suspend: make rtc alarm wakeup the guest. Date: Mon, 16 Jan 2012 19:15:15 +0100 Message-ID: <1326737715-9867-7-git-send-email-kraxel@redhat.com> References: <1326737715-9867-1-git-send-email-kraxel@redhat.com> Return-path: In-Reply-To: <1326737715-9867-1-git-send-email-kraxel@redhat.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+gceq-qemu-devel=gmane.org@nongnu.org Sender: qemu-devel-bounces+gceq-qemu-devel=gmane.org@nongnu.org To: qemu-devel@nongnu.org Cc: xen-devel@lists.xensource.com, Gerd Hoffmann List-Id: xen-devel@lists.xenproject.org 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 --- 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