commit 0ecf89aae327d545af6e10defd2315c97874cbd5
author bellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162> Wed Sep 29 21:55:52 2004 +0000
committer bellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162> Wed Sep 29 21:55:52 2004 +0000
tree 744671f1f2463b51b3f11d7a495449af815e4a1e
parent 28d34b82467c36c60395dbfc0e118537bc6b6963

level triggered IRQ fix (Steve Wormley)


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1078 c046a42c-6fe2-441c-8c8c-71466251a162

hw/i8259.c

diff --git a/hw/i8259.c b/hw/i8259.c
index c21f0d3..221506b 100644
--- a/hw/i8259.c
+++ b/hw/i8259.c
@@ -188,7 +188,9 @@
     } else {
         s->isr |= (1 << irq);
     }
-    s->irr &= ~(1 << irq);
+    /* We don't clear a level sensitive interrupt here */
+    if (!(s->elcr & (1 << irq)))
+        s->irr &= ~(1 << irq);
 }
 
 int cpu_get_pic_interrupt(CPUState *env)