commit b7c7b18129e137bd24240800d7fac02eee3b1edf
author bellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162> Sat Jul 23 14:01:47 2005 +0000
committer bellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162> Sat Jul 23 14:01:47 2005 +0000
tree 39e0c9240114c33781afdfa7fb42d046d0dc636f
parent 98352369101d2f3097e7f75d291b0a438c4dbbe4

fixed VIA irq register access


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1513 c046a42c-6fe2-441c-8c8c-71466251a162

hw/cuda.c

diff --git a/hw/cuda.c b/hw/cuda.c
index 98a2637..dec5ffb 100644
--- a/hw/cuda.c
+++ b/hw/cuda.c
@@ -298,9 +298,11 @@
         break;
     case 13:
         val = s->ifr;
+        if (s->ifr & s->ier) 
+            val |= 0x80;
         break;
     case 14:
-        val = s->ier;
+        val = s->ier | 0x80;
         break;
     default:
     case 15:
@@ -379,7 +381,6 @@
         cuda_update_irq(s);
         break;
     case 14:
-#if 0
         if (val & IER_SET) {
             /* set bits */
             s->ier |= val & 0x7f;
@@ -387,10 +388,6 @@
             /* reset bits */
             s->ier &= ~val;
         }
-#else
-        /* XXX: please explain me why the SPEC is not correct ! */
-        s->ier = val;
-#endif
         cuda_update_irq(s);
         break;
     default: