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[Qemu-devel] Re: [Bochs-developers] [PATCH v5 1/5] Add S3 state to DSDT.
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From: |
Kevin O'Connor |
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Subject: |
[Qemu-devel] Re: [Bochs-developers] [PATCH v5 1/5] Add S3 state to DSDT. Handle resume event in the BIOS. |
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Date: |
Sat, 6 Dec 2008 21:57:38 -0500 |
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User-agent: |
Mutt/1.5.18 (2008-05-17) |
Hi Gleb,
On Thu, Nov 27, 2008 at 01:02:25PM +0200, Gleb Natapov wrote:
[...]
> @@ -10375,6 +10420,12 @@ normal_post:
> mov ds, ax
> mov ss, ax
>
> + ;; Save shutdown status
> + mov 0x04b0, bl
> +
> + cmp bl, #0xfe
> + jz s3_post
> +
What sets 40:b0 to 0xfe on a resume?
Also, wouldn't this corrupt memory used by the stack (the stack gets
set to 0xfffe, and s3_post has call insns in it)?
-Kevin