On 2011-08-24 14:58, Avi Kivity wrote:
> On 08/24/2011 03:46 PM, Jan Kiszka wrote:
>>> +++ b/hw/vga.c
>>> @@ -179,6 +179,8 @@ static void vga_update_memory_access(VGACommonState
*s)
>>> base = 0xb8000;
>>> size = 0x8000;
>>> break;
>>> + default:
>>> + abort();
>>> }
>>> region = g_malloc(sizeof(*region));
>>> memory_region_init_alias(region, "vga.chain4",&s->vram, offset,
size);
>>
>> ...or just make the last case default?
>>
>
> No reason to make the code unobvious in this path, IMO. Eventually gcc
> will be able to drop the 4/5 bytes this patch adds to the object code.
diff --git a/hw/vga.c b/hw/vga.c
index 851fd68..125fb29 100644
--- a/hw/vga.c
+++ b/hw/vga.c
@@ -176,6 +176,7 @@ static void vga_update_memory_access(VGACommonState *s)
size = 0x8000;
break;
case 3:
+ default:
base = 0xb8000;
size = 0x8000;
break;
...is fairly common and well readable IMHO.