[BULK] RFC: Generic shadow mechanism useable from a payload

[Adam Sulmicki]

>>> Yes you can do that with ELF.
>>>
>>> The big gotcha is going to be that there are pirq tables current
>>> stored at 0xf0000 that you are not going to want to stomp.
>>
>> Actually thats not that much of an issue. It currently stomps it already
>>
>> ADLO has that table broken out into a single binary file.  All I do is
>> copy the table binary table generated with linubios into the adlo
>> build file and it gets stuck in the adlo image.   Loader.s copies it
>> to a specific location.
>> So really if you loaded loader and ADLO code after the linuxbios PIRQ
>> table location and then tweaked loader to not make a PIRQ it should be
>> fine.
>>
>> Not haveing to do the PIRQ table copy would be nice but its pretty
>> trival.  A script to do it automatically would be easy.
>
> The fact that ADLO has to manually customized per board is what
> keeps it from being a lot more generally usable.

something I have been wondering. Suppose someone starts working on that 
IDE driver to fix it for once in bochs bios. Won't we find out that 
getting it work right is chip-set specific thing?

curently bochs bios is based on intel 440fx chipset or some such.