diff options
Diffstat (limited to 'hw/timer/mc146818rtc.c')
| -rw-r--r-- | hw/timer/mc146818rtc.c | 18 |
1 files changed, 10 insertions, 8 deletions
diff --git a/hw/timer/mc146818rtc.c b/hw/timer/mc146818rtc.c index 954c34d6cc..a9f0efd5e0 100644 --- a/hw/timer/mc146818rtc.c +++ b/hw/timer/mc146818rtc.c @@ -56,7 +56,7 @@ #define RTC_REINJECT_ON_ACK_COUNT 20 #define RTC_CLOCK_RATE 32768 -#define UIP_HOLD_LENGTH (8 * NSEC_PER_SEC / 32768) +#define UIP_HOLD_LENGTH (8 * NANOSECONDS_PER_SECOND / 32768) #define MC146818_RTC(obj) OBJECT_CHECK(RTCState, (obj), TYPE_MC146818_RTC) @@ -105,7 +105,7 @@ static uint64_t get_guest_rtc_ns(RTCState *s) uint64_t guest_rtc; uint64_t guest_clock = qemu_clock_get_ns(rtc_clock); - guest_rtc = s->base_rtc * NSEC_PER_SEC + guest_rtc = s->base_rtc * NANOSECONDS_PER_SECOND + guest_clock - s->last_update + s->offset; return guest_rtc; } @@ -231,16 +231,17 @@ static void check_update_timer(RTCState *s) return; } - guest_nsec = get_guest_rtc_ns(s) % NSEC_PER_SEC; + guest_nsec = get_guest_rtc_ns(s) % NANOSECONDS_PER_SECOND; /* if UF is clear, reprogram to next second */ next_update_time = qemu_clock_get_ns(rtc_clock) - + NSEC_PER_SEC - guest_nsec; + + NANOSECONDS_PER_SECOND - guest_nsec; /* Compute time of next alarm. One second is already accounted * for in next_update_time. */ next_alarm_sec = get_next_alarm(s); - s->next_alarm_time = next_update_time + (next_alarm_sec - 1) * NSEC_PER_SEC; + s->next_alarm_time = next_update_time + + (next_alarm_sec - 1) * NANOSECONDS_PER_SECOND; if (s->cmos_data[RTC_REG_C] & REG_C_UF) { /* UF is set, but AF is clear. Program the timer to target @@ -456,7 +457,7 @@ static void cmos_ioport_write(void *opaque, hwaddr addr, /* if disabling set mode, update the time */ if ((s->cmos_data[RTC_REG_B] & REG_B_SET) && (s->cmos_data[RTC_REG_A] & 0x70) <= 0x20) { - s->offset = get_guest_rtc_ns(s) % NSEC_PER_SEC; + s->offset = get_guest_rtc_ns(s) % NANOSECONDS_PER_SECOND; rtc_set_time(s); } } @@ -580,7 +581,7 @@ static void rtc_update_time(RTCState *s) int64_t guest_nsec; guest_nsec = get_guest_rtc_ns(s); - guest_sec = guest_nsec / NSEC_PER_SEC; + guest_sec = guest_nsec / NANOSECONDS_PER_SECOND; gmtime_r(&guest_sec, &ret); /* Is SET flag of Register B disabled? */ @@ -608,7 +609,8 @@ static int update_in_progress(RTCState *s) guest_nsec = get_guest_rtc_ns(s); /* UIP bit will be set at last 244us of every second. */ - if ((guest_nsec % NSEC_PER_SEC) >= (NSEC_PER_SEC - UIP_HOLD_LENGTH)) { + if ((guest_nsec % NANOSECONDS_PER_SECOND) >= + (NANOSECONDS_PER_SECOND - UIP_HOLD_LENGTH)) { return 1; } return 0; |