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Re: [Qemu-devel] [PATCH] ioemu/qemu vga: save and restore vram buffer (r

From: andrzej zaborowski
Subject: Re: [Qemu-devel] [PATCH] ioemu/qemu vga: save and restore vram buffer (revised)
Date: Sun, 16 Dec 2007 12:35:24 +0100


On 12/12/2007, Ian Jackson <address@hidden> wrote:
> The first one (stdvga-save-vram-update.patch) is against current
> xen-unstable tip (which now includes my previous version) and should
> be applied there.
> The second (stdvga-save-vram-take2.patch) is a fresh diff against the
> same qemu as before and should be regarded as replacing my previous
> submission.

On a second look there's something else I don't understand. The vram
window is in RAM in stdvga, it's inside phys_ram_base, and the entire
chunk pointed to by phys_ram_base is saved in vl.c. It's also
saved/loaded as one of the first things that are loaded so at the time
stdvga resumes, the vram should already have the correct contents.

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