Re: [Qemu-devel] Re: [Bochs-developers] [PATCH] Add DPMS support to cirrus vga bios.

[Anthony Liguori <anthony@codemonkey.ws>]

Sebastian Herbszt wrote:
> Gleb Natapov wrote:
>
>> I am not sure who maintains vgabios :(
>
> Volker does at http://www.nongnu.org/vgabios/

Gleb:  can you give Volker a poke?

I'm testing out the newest bochs bios.  There's been quite a lot of 
changes since our last sync.  I'd like to switch over to that tomorrow 
if all goes well.  I'll see about updating the vgabios too.

Regards,

Anthony Liguori

> - Sebastian
>
>> Signed-off-by: Gleb Natapov <gleb@redhat.com>
>>
>> diff --git a/vgabios/clext.c b/vgabios/clext.c
>> index ea37ec5..c7a2ad0 100644
>> --- a/vgabios/clext.c
>> +++ b/vgabios/clext.c
>> @@ -510,7 +510,7 @@ cirrus_vesa:
>> #ifdef CIRRUS_DEBUG
>>   call cirrus_debug_dump
>> #endif
>> -  cmp al, #0x0F
>> +  cmp al, #0x10
>>   ja cirrus_vesa_not_handled
>>   push bx
>>   xor bx, bx
>> @@ -1196,6 +1196,37 @@ cirrus_vesa_07h_2:
>>   mov  ax, #0x004f
>>   ret
>>
>> +cirrus_vesa_10h:
>> +  cmp bl, #0x00
>> +  jne cirrus_vesa_10h_01
>> +  mov bx, #0x0f30
>> +  mov ax, #0x004f
>> +  ret
>> +cirrus_vesa_10h_01:
>> +  cmp bl, #0x01
>> +  jne cirrus_vesa_10h_02
>> +  push dx
>> +  push ds
>> +  mov dx, #0x40
>> +  mov ds, dx
>> +  mov [0xb9], bh
>> +  pop ds
>> +  pop dx
>> +  mov ax, #0x004f
>> +  ret
>> +cirrus_vesa_10h_02:
>> +  cmp bl, #0x02
>> +  jne cirrus_vesa_unimplemented
>> +  push dx
>> +  push ds
>> +  mov dx, #0x40
>> +  mov ds, dx
>> +  mov bh, [0xb9]
>> +  pop ds
>> +  pop dx
>> +  mov ax, #0x004f
>> +  ret
>> +
>> cirrus_vesa_unimplemented:
>>   mov ax, #0x014F ;; not implemented
>>   ret
>> @@ -1612,7 +1643,8 @@ cirrus_vesa_handlers:
>>   dw cirrus_vesa_unimplemented
>>   dw cirrus_vesa_unimplemented
>>   dw cirrus_vesa_unimplemented
>> -
>> +  ;; 10h
>> +  dw cirrus_vesa_10h
>>
>>
>> ASM_END
>> -- 
>> Gleb.
>
>
>