[SeaBIOS] Some questions

Stefan Berger stefanb at linux.vnet.ibm.com
Fri Feb 25 16:35:04 CET 2011


On 11/25/2010 08:35 AM, Kevin O'Connor wrote:
>
>
>> This is due to the hierarchical nature of the functions. Also, while
>> for example B calls A, B fills a data structure (on the stack) that
>> it passes to A. A of course can get the same data structure from the
>> user calling the interrupt interface. So, by switching to 32 bit
>> mode and converting to 32 bit pointers early I could previously
>> avoid a lot of headaches with the segment registers in 16 bit mode
>> and reading the data from wherever they may be. Would you have any
>> concerns about switching to 32 bit mode early, so that the interrupt
>> handler and anything subsequent runs in 32 bit mode?
> I can't say for sure what will make sense without seeing the code
> first, but it sounds okay to me.
I posted the TPM patches yesterday on the Qemu mailing list. It may take 
some time until TPM functionality becomes available in Qemu, but would 
you be willing to review the BIOS extensions even without being able to 
run them (for some time)? It's quite a chunk...

    Stefan




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