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Incorporate changes from v2 of Gleb's RTC reset patch

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Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Anthony Liguori 2009-06-15 14:33:24 -05:00
parent ba494313d3
commit 72716184aa
1 changed files with 8 additions and 4 deletions
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12
hw/mc146818rtc.c
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@ -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)