This was once introduced by commit 100d9891d6 but was never used in-tree
and then got broken by commit 32e0c8260d. Time to clean up.
Signed-off-by: Jan Kiszka <jan.kis...@siemens.com>
---
hw/timer/mc146818rtc.c | 9 +--------
1 files changed, 1 insertions(+), 8 deletions(-)
diff --git a/hw/timer/mc146818rtc.c b/hw/timer/mc146818rtc.c
index 3c3baac..b3f1baa 100644
--- a/hw/timer/mc146818rtc.c
+++ b/hw/timer/mc146818rtc.c
@@ -70,7 +70,6 @@ typedef struct RTCState {
uint64_t last_update;
int64_t offset;
qemu_irq irq;
- qemu_irq sqw_irq;
int it_shift;
/* periodic timer */
QEMUTimer *periodic_timer;
@@ -151,8 +150,7 @@ static void periodic_timer_update(RTCState *s, int64_t
current_time)
period_code = s->cmos_data[RTC_REG_A] & 0x0f;
if (period_code != 0
- && ((s->cmos_data[RTC_REG_B] & REG_B_PIE)
- || ((s->cmos_data[RTC_REG_B] & REG_B_SQWE) && s->sqw_irq))) {
+ && (s->cmos_data[RTC_REG_B] & REG_B_PIE)) {
if (period_code <= 2)
period_code += 7;
/* period in 32 Khz cycles */
@@ -202,11 +200,6 @@ static void rtc_periodic_timer(void *opaque)
#endif
qemu_irq_raise(s->irq);
}
- if (s->cmos_data[RTC_REG_B] & REG_B_SQWE) {
- /* Not square wave at all but we don't want 2048Hz interrupts!
- Must be seen as a pulse. */
- qemu_irq_raise(s->sqw_irq);
- }
}
/* handle update-ended timer */
--
1.7.3.4
