From 68d4653b5ffde629e9b05d5de13b6adcde9d153b Mon Sep 17 00:00:00 2001 From: Ying Fang Date: Mon, 29 Jul 2019 16:20:51 +0800 Subject: [PATCH] pl031: support rtc-timer property for pl031 This patch adds the rtc-timer property for pl031, we can get the rtc time (UTC) through qmp command "qom-get date" with this property. Signed-off-by: Haibin Wang Reviewed-by: Shannon Zhao Reviewed-by: Ying Fang --- hw/timer/pl031.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/hw/timer/pl031.c b/hw/timer/pl031.c index 274ad47a..04331472 100644 --- a/hw/timer/pl031.c +++ b/hw/timer/pl031.c @@ -57,6 +57,15 @@ static uint32_t pl031_get_count(PL031State *s) return s->tick_offset + now / NANOSECONDS_PER_SECOND; } +static void pl031_get_date(Object *obj, struct tm *current_tm, Error **errp) +{ + PL031State *s = PL031(obj); + time_t ti = pl031_get_count(s); + + /* Changed to UTC time */ + gmtime_r(&ti, current_tm); +} + static void pl031_set_alarm(PL031State *s) { uint32_t ticks; @@ -191,6 +200,10 @@ static void pl031_init(Object *obj) qemu_clock_get_ns(rtc_clock) / NANOSECONDS_PER_SECOND; s->timer = timer_new_ns(rtc_clock, pl031_interrupt, s); + + object_property_add_tm(OBJECT(s), "date", pl031_get_date, NULL); + object_property_add_alias(qdev_get_machine(), "rtc-time", + OBJECT(s), "date", NULL); } static int pl031_pre_save(void *opaque) -- 2.19.1