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-rw-r--r--hw/misc/macio/cuda.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/hw/misc/macio/cuda.c b/hw/misc/macio/cuda.c
index b7e9deeb15..364473fee2 100644
--- a/hw/misc/macio/cuda.c
+++ b/hw/misc/macio/cuda.c
@@ -57,6 +57,8 @@
#define IER_SET 0x80 /* set bits in IER */
#define IER_CLR 0 /* clear bits in IER */
#define SR_INT 0x04 /* Shift register full/empty */
+#define SR_DATA_INT 0x08
+#define SR_CLOCK_INT 0x10
#define T1_INT 0x40 /* Timer 1 interrupt */
#define T2_INT 0x20 /* Timer 2 interrupt */
@@ -261,7 +263,7 @@ static uint32_t cuda_readb(void *opaque, hwaddr addr)
break;
case 10:
val = s->sr;
- s->ifr &= ~SR_INT;
+ s->ifr &= ~(SR_INT | SR_CLOCK_INT | SR_DATA_INT);
cuda_update_irq(s);
break;
case 11: