50 lines
1.5 KiB
Diff
50 lines
1.5 KiB
Diff
From 68d4653b5ffde629e9b05d5de13b6adcde9d153b Mon Sep 17 00:00:00 2001
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From: Ying Fang <fangying1@huawei.com>
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Date: Mon, 29 Jul 2019 16:20:51 +0800
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Subject: [PATCH] pl031: support rtc-timer property for pl031
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This patch adds the rtc-timer property for pl031, we can get the
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rtc time (UTC) through qmp command "qom-get date" with this property.
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Signed-off-by: Haibin Wang <wanghaibin.wang@huawei.com>
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Reviewed-by: Shannon Zhao <shannon.zhaosl@gmail.com>
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Reviewed-by: Ying Fang <fangying1@huawei.com>
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---
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hw/timer/pl031.c | 13 +++++++++++++
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1 file changed, 13 insertions(+)
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diff --git a/hw/timer/pl031.c b/hw/timer/pl031.c
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index 274ad47a..04331472 100644
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--- a/hw/timer/pl031.c
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+++ b/hw/timer/pl031.c
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@@ -57,6 +57,15 @@ static uint32_t pl031_get_count(PL031State *s)
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return s->tick_offset + now / NANOSECONDS_PER_SECOND;
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}
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+static void pl031_get_date(Object *obj, struct tm *current_tm, Error **errp)
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+{
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+ PL031State *s = PL031(obj);
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+ time_t ti = pl031_get_count(s);
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+
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+ /* Changed to UTC time */
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+ gmtime_r(&ti, current_tm);
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+}
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+
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static void pl031_set_alarm(PL031State *s)
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{
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uint32_t ticks;
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@@ -191,6 +200,10 @@ static void pl031_init(Object *obj)
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qemu_clock_get_ns(rtc_clock) / NANOSECONDS_PER_SECOND;
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s->timer = timer_new_ns(rtc_clock, pl031_interrupt, s);
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+
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+ object_property_add_tm(OBJECT(s), "date", pl031_get_date, NULL);
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+ object_property_add_alias(qdev_get_machine(), "rtc-time",
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+ OBJECT(s), "date", NULL);
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}
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static int pl031_pre_save(void *opaque)
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--
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2.19.1
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