On Tue, Sep 1, 2009 at 8:47 PM, Isaac
Dupree<m...@isaac.cedarswampstudios.org> wrote:
> Vladimir 'phcoder' Serbinenko wrote:
>>>
>>> If flags[13] is set 2 fields are defined on addresses 104-107 resp
>>> 108-116
>>> First field is firmware type
>>
>> 2 - BIOS. 16-bit mode BIOS interrupts are available. Second field is
>> invalid
>> 5 - 32-bit EFI. Second field contains pointer to EFI system table.
>
> What about on Apple's EFI with its "compatibility" BIOS also activated?
>  Don't both firmware interfaces work then, and one could theoretically want
> to pass both EFI and BIOS as parameter here?
>
If grub is launched from CSM it doesn't have EST pointer. Unless
devising special workarounds launching CSM you lose EFI access
> -Isaac
>
>
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>



-- 
Regards
Vladimir 'phcoder' Serbinenko

Personal git repository: http://repo.or.cz/w/grub2/phcoder.git


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