Fix bug regarding update of UIF flag

beckus · beckus · commit 270e5fb24d09 · 2015-06-06T00:25:26.000-04:00
diff --git a/hw/timer/stm32_timer.c b/hw/timer/stm32_timer.c
@@ -195,7 +195,7 @@ static void stm32_timer_update(Stm32Timer *s)
 
 static void stm32_timer_update_UIF(Stm32Timer *s, uint8_t value) {
     s->sr &= ~0x1; /* update interrupt flag in status reg */
-    s->sr |= 0x1;
+    s->sr |= (value & 0x1);
 
     qemu_set_irq(s->irq, value);
 }

Original file line number	Diff line number	Diff line change
`@@ -195,7 +195,7 @@ static void stm32_timer_update(Stm32Timer *s)`
`195`	`195`
`196`	`196`	`static void stm32_timer_update_UIF(Stm32Timer *s, uint8_t value) {`
`197`	`197`	`s->sr &= ~0x1; /* update interrupt flag in status reg */`
`198`		`- s->sr \|= 0x1;`
	`198`	`+ s->sr \|= (value & 0x1);`
`199`	`199`
`200`	`200`	`qemu_set_irq(s->irq, value);`
`201`	`201`	`}`