[SeaBIOS] Running privilege code on hidden O.S.

[Jerry Backer]

Hi,

The idea is to run some security and packet inspection codes on the hidden
core.
There is a typo on the title, it should be 'Running privilege code on
hidden core'.

Thanks,


On Thu, Jun 6, 2013 at 3:04 PM, Fred . <eldmannen at gmail.com> wrote:

> I am curious as to why you would want to do such a thing...
>
>
> On Thu, Jun 6, 2013 at 6:52 PM, Jerry Backer <bataille16 at gmail.com> wrote:
>
>> Hello,
>>
>> I am using seaBIOS with QEMU and am attempting to hide a processor core
>> (on an smp system) from the O.S. and then load a dedicated code on that
>> core before boot. I have managed to hide one of the cores by decreasing
>> CountCPUs (within smp.c) after running the ap core code, hence the BIOS
>> load info for 1 less core on the mp table.
>>
>> However, I have not been able to figure out how to load the privileged
>> code. My intuition was to load it when the hidden core enters protected
>> mode before running kernel code. But I don't see where in the code the
>> cores go into protected mode during boot.
>>
>> Can anyone give me some insight on how to proceed?
>>
>> Thanks,
>>
>> --
>> Jerry
>>
>> _______________________________________________
>> SeaBIOS mailing list
>> SeaBIOS at seabios.org
>> http://www.seabios.org/mailman/listinfo/seabios
>>
>>
>


-- 
Jerry Backer
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