From e5c0367e2bbcf730e96614f63ea7575885fdde98 Mon Sep 17 00:00:00 2001 From: Xiaojuan Yang Date: Fri, 1 Jul 2022 17:34:00 +0800 Subject: hw/rtc/ls7a_rtc: Add reset function Add ls7a rtc reset function to delete timers and clear regs when rtc reset. Signed-off-by: Xiaojuan Yang Message-Id: <20220701093407.2150607-5-yangxiaojuan@loongson.cn> Signed-off-by: Richard Henderson --- hw/rtc/ls7a_rtc.c | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) (limited to 'hw/rtc') diff --git a/hw/rtc/ls7a_rtc.c b/hw/rtc/ls7a_rtc.c index f1e7a660e9..eb10cdb451 100644 --- a/hw/rtc/ls7a_rtc.c +++ b/hw/rtc/ls7a_rtc.c @@ -463,6 +463,25 @@ static void ls7a_rtc_realize(DeviceState *dev, Error **errp) } +/* delete timer and clear reg when reset */ +static void ls7a_rtc_reset(DeviceState *dev) +{ + int i; + SysBusDevice *sbd = SYS_BUS_DEVICE(dev); + LS7ARtcState *d = LS7A_RTC(sbd); + for (i = 0; i < TIMER_NUMS; i++) { + if (toy_enabled(d)) { + timer_del(d->toy_timer[i]); + } + if (rtc_enabled(d)) { + timer_del(d->rtc_timer[i]); + } + d->toymatch[i] = 0; + d->rtcmatch[i] = 0; + } + d->cntrctl = 0; +} + static int ls7a_rtc_pre_save(void *opaque) { LS7ARtcState *s = LS7A_RTC(opaque); @@ -511,6 +530,7 @@ static void ls7a_rtc_class_init(ObjectClass *klass, void *data) DeviceClass *dc = DEVICE_CLASS(klass); dc->vmsd = &vmstate_ls7a_rtc; dc->realize = ls7a_rtc_realize; + dc->reset = ls7a_rtc_reset; dc->desc = "ls7a rtc"; } -- cgit v1.2.3