From 62aeb0f765ea1f4a305a1963e66e94f7be9ac054 Mon Sep 17 00:00:00 2001 From: Gerd Hoffmann Date: Thu, 23 Feb 2012 13:45:24 +0100 Subject: suspend: make rtc alarm wakeup the guest. Make the rtc wake up the guest when the alarm fires. Add acpi windup to property support RTC_EN, so guests can enable and disable this. Signed-off-by: Gerd Hoffmann Signed-off-by: Anthony Liguori --- hw/acpi.c | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'hw/acpi.c') diff --git a/hw/acpi.c b/hw/acpi.c index 7b167161fb..c05dde6c89 100644 --- a/hw/acpi.c +++ b/hw/acpi.c @@ -254,6 +254,10 @@ static void acpi_notify_wakeup(Notifier *notifier, void *data) WakeupReason *reason = data; switch (*reason) { + case QEMU_WAKEUP_REASON_RTC: + ar->pm1.evt.sts |= + (ACPI_BITMASK_WAKE_STATUS | ACPI_BITMASK_RT_CLOCK_STATUS); + break; case QEMU_WAKEUP_REASON_OTHER: default: /* ACPI_BITMASK_WAKE_STATUS should be set on resume. @@ -287,6 +291,8 @@ void acpi_pm1_evt_write_sts(ACPIREGS *ar, uint16_t val) void acpi_pm1_evt_write_en(ACPIREGS *ar, uint16_t val) { ar->pm1.evt.en = val; + qemu_system_wakeup_enable(QEMU_WAKEUP_REASON_RTC, + val & ACPI_BITMASK_RT_CLOCK_ENABLE); } void acpi_pm1_evt_power_down(ACPIREGS *ar) @@ -301,6 +307,7 @@ void acpi_pm1_evt_reset(ACPIREGS *ar) { ar->pm1.evt.sts = 0; ar->pm1.evt.en = 0; + qemu_system_wakeup_enable(QEMU_WAKEUP_REASON_RTC, 0); } /* ACPI PM_TMR */ -- cgit 1.4.1