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Re: [Qemu-devel] Split vga module

From: Blue Swirl
Subject: Re: [Qemu-devel] Split vga module
Date: Wed, 25 Jun 2008 20:03:16 +0300

On 6/25/08, Màrius Montón <address@hidden> wrote:
>  Hello all,
>  My question is how I can split VGA module in a different process from QEMU.
>  I need it in order to simulate a VGA module described in SystemC into QEMU 
> (http://www.greensocs.com/en/projects/QEMUSystemC) where all SystemC stuff 
> runs in other process than QEMU.
>  I look at the code, and vga code seems to be too merged with QEMU itself to 
> be splitted.. but, there's any solution?

Interesting. You could try to catch all IO and MMIO towards VGA and
redirect those to the other process with some kind of IPC. You must
change the MMIO area registration, because now the VGA MMIO accesses
are optimised so that no callbacks are involved.

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