fixed VIA irq register access

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1513 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
bellard 2005-07-23 14:01:47 +00:00
parent 9835236910
commit b7c7b18129

View File

@ -298,9 +298,11 @@ static uint32_t cuda_readb(void *opaque, target_phys_addr_t addr)
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 @@ static void cuda_writeb(void *opaque, target_phys_addr_t addr, uint32_t val)
cuda_update_irq(s);
break;
case 14:
#if 0
if (val & IER_SET) {
/* set bits */
s->ier |= val & 0x7f;
@ -387,10 +388,6 @@ static void cuda_writeb(void *opaque, target_phys_addr_t addr, uint32_t val)
/* 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: