diff options
Diffstat (limited to 'hw/m48t59.c')
| -rw-r--r-- | hw/m48t59.c | 18 |
1 files changed, 8 insertions, 10 deletions
diff --git a/hw/m48t59.c b/hw/m48t59.c index c2c0decc8e..da61313f1e 100644 --- a/hw/m48t59.c +++ b/hw/m48t59.c @@ -161,10 +161,9 @@ static void set_alarm (m48t59_t *NVRAM, struct tm *tm) NVRAM->alarm = mktime(tm); if (NVRAM->alrm_timer != NULL) { qemu_del_timer(NVRAM->alrm_timer); - NVRAM->alrm_timer = NULL; + if (NVRAM->alarm - time(NULL) > 0) + qemu_mod_timer(NVRAM->alrm_timer, NVRAM->alarm * 1000); } - if (NVRAM->alarm - time(NULL) > 0) - qemu_mod_timer(NVRAM->alrm_timer, NVRAM->alarm * 1000); } /* Watchdog management */ @@ -188,15 +187,14 @@ static void set_up_watchdog (m48t59_t *NVRAM, uint8_t value) { uint64_t interval; /* in 1/16 seconds */ + NVRAM->buffer[0x1FF0] &= ~0x80; if (NVRAM->wd_timer != NULL) { qemu_del_timer(NVRAM->wd_timer); - NVRAM->wd_timer = NULL; - } - NVRAM->buffer[0x1FF0] &= ~0x80; - if (value != 0) { - interval = (1 << (2 * (value & 0x03))) * ((value >> 2) & 0x1F); - qemu_mod_timer(NVRAM->wd_timer, ((uint64_t)time(NULL) * 1000) + - ((interval * 1000) >> 4)); + if (value != 0) { + interval = (1 << (2 * (value & 0x03))) * ((value >> 2) & 0x1F); + qemu_mod_timer(NVRAM->wd_timer, ((uint64_t)time(NULL) * 1000) + + ((interval * 1000) >> 4)); + } } } |