[SeaBIOS] Proper support for PCI-based option rom loading (was Re: [Qemu-devel] Re: qdev property bug?)

Avi Kivity avi at redhat.com
Tue Dec 15 15:33:43 CET 2009


On 12/15/2009 04:20 PM, Anthony Liguori wrote:
> Anthony Liguori wrote:
>>
>> The bios gets mapped in 0xe0000 .. 0x100000 so if SeaBIOS fills the 
>> 0xc0000-0xf0000 space it will write over half of the bios.
>
> I'm a little confused by this.  SeaBIOS seems to assume that it only 
> has to deal with the 0xf0000 .. 0x100000 space as the bios which is 
> certainly true (i don't think there's anything special about the 
> 0xe0000 .. 0xf0000 region).
>
> I'm not sure why we load the 128K worth of bios instead of just 
> loading 64K.
>

bochs bios required all 128kB, so this is probably a leftover.

-- 
error compiling committee.c: too many arguments to function




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