diff options
Diffstat (limited to 'hw/mc146818rtc.c')
-rw-r--r-- | hw/mc146818rtc.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/hw/mc146818rtc.c b/hw/mc146818rtc.c index 98a2273f80..8c446e186f 100644 --- a/hw/mc146818rtc.c +++ b/hw/mc146818rtc.c @@ -57,6 +57,11 @@ #define REG_B_SQWE 0x08 #define REG_B_DM 0x04 +#define REG_C_UF 0x10 +#define REG_C_IRQF 0x80 +#define REG_C_PF 0x40 +#define REG_C_AF 0x20 + struct RTCState { uint8_t cmos_data[128]; uint8_t cmos_index; @@ -572,11 +577,10 @@ static void rtc_reset(void *opaque) { RTCState *s = opaque; - /* clear PIE,AIE,SQWE on reset */ - s->cmos_data[RTC_REG_B] &= ~((1<<6) | (1<<5) | (1<<3)); + s->cmos_data[RTC_REG_B] &= ~(REG_B_PIE | REG_B_AIE | REG_B_SQWE); + s->cmos_data[RTC_REG_C] &= ~(REG_C_UF | REG_C_IRQF | REG_C_PF | REG_C_AF); - /* clear UF,IRQF,PF,AF on reset */ - s->cmos_data[RTC_REG_C] &= ~((1<<4) | (1<<7) | (1<<6) | (1<<5)); + qemu_irq_lower(s->irq); #ifdef TARGET_I386 if (rtc_td_hack) |