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Re: Bochs 2.0.2 and L4ka

From: Farid Hajji
Subject: Re: Bochs 2.0.2 and L4ka
Date: Sun, 16 Mar 2003 04:26:16 +0100 (CET)

Hi Laurent,

> I've just made a patch against bochs-2.0.2 to make it work with
> L4-ka hazelnut.
> My problem was that when i was runing the L4-ka kernel
> under bochs, it always fail to start because of a missing cpu feature ('d=
> e').=20
> The thing i've done was to force the DE bit to 1 in the function that emu=
> late=20
> CPUID in bochs ( ./cpu/proc_ctrl.cc ).

you are the first to try Bochs on new version of Hazelnut.
Thank you for the patch! I'll try it out later next week.
Right now, I'm using a physical machine for tests, but
I'd love to see wether the 4meg-pages hack still works ;-)

> I don't know if it is correct to do it like that but it solve my problem=20
> :-)). Now i can run L4-ka with bochs.=20

what do the Intel docs say about the DE-Bit? It shouldn't
be too difficult to implement it fully?

> I hope it will be useful.

it certainly will!

Regards and happy hacking,


Farid Hajji -- Unix Systems and Network Management.
Quoth the Raven, "Nevermore." --Edgar Allan Poe.

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