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mc146818rtc: constantify

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Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
This commit is contained in:
Aurelien Jarno 2011-01-25 11:55:15 +01:00
parent 46eece9d89
commit c29cd656a8
1 changed files with 3 additions and 2 deletions
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5
hw/mc146818rtc.c
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@ -72,6 +72,7 @@
#define REG_B_UIE 0x10
#define REG_B_SQWE 0x08
#define REG_B_DM 0x04
#define REG_B_24H 0x02
#define REG_C_UF 0x10
#define REG_C_IRQF 0x80
@ -285,7 +286,7 @@ static void rtc_set_time(RTCState *s)
tm->tm_sec = rtc_from_bcd(s, s->cmos_data[RTC_SECONDS]);
tm->tm_min = rtc_from_bcd(s, s->cmos_data[RTC_MINUTES]);
tm->tm_hour = rtc_from_bcd(s, s->cmos_data[RTC_HOURS] & 0x7f);
if (!(s->cmos_data[RTC_REG_B] & 0x02) &&
if (!(s->cmos_data[RTC_REG_B] & REG_B_24H) &&
(s->cmos_data[RTC_HOURS] & 0x80)) {
tm->tm_hour += 12;
}
@ -304,7 +305,7 @@ static void rtc_copy_date(RTCState *s)
s->cmos_data[RTC_SECONDS] = rtc_to_bcd(s, tm->tm_sec);
s->cmos_data[RTC_MINUTES] = rtc_to_bcd(s, tm->tm_min);
if (s->cmos_data[RTC_REG_B] & 0x02) {
if (s->cmos_data[RTC_REG_B] & REG_B_24H) {
/* 24 hour format */
s->cmos_data[RTC_HOURS] = rtc_to_bcd(s, tm->tm_hour);
} else {