[coreboot] Original bios as payload
Ivan Barrera A.
info at Ivn.cl
Wed Jul 29 15:59:37 CEST 2009
Carl-Daniel Hailfinger escribió:
> On 29.07.2009 15:36, Ivan Barrera A. wrote:
>> My previous attemps to put coreboot on my laptop (Asus G1, with vgarom
>> on bios) have failed.
>> I want to keep trying to get something to work but it is a real pain
>> in the behind to keep taking out the flash chip and reprogramming it.
>> I think it could be easier to have coreboot booting the original bios
>> , and run any other payload on some key press (or something like
>> that). That way, i could keep flashing new code to try, and in case it
>> doesnt work just boot the orig. bios and reflash. (this is asuming
>> coreboot gets to run)
>> Is it possible ?
> Short answer: No, this is not possible.
> Long answer: Yes, something like this is possible, but you will have to
> modify the original BIOS and coreboot and rewrite parts of them. Since
> you have no sources for the original BIOS, this will be pretty
> difficult. Basically, neither coreboot nor the original BIOS expect to
> have a switcher run before them. That switcher would have to preserve
> the environment completely and not violate any coreboot/BIOS
> expectations. I wouldn't even try to do it without a bootle of aspirin
> and sources for the BIOS. If you decide to try it, good luck!
Asus techs have been of no help at all, so i doubt ill get anywhere with
the original BIOS.
Well, i think ill try to figure another way to have a dual-bios system.
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