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From: Gleb Natapov <gleb@redhat.com>
To: bochs-developers@lists.sourceforge.net
Cc: Kevin O'Connor <kevin@koconnor.net>, qemu-devel@nongnu.org
Subject: [Qemu-devel] Re: [Bochs-developers] [PATCH v5 1/5] Add S3 state to DSDT. Handle resume event in the BIOS.
Date: Tue, 9 Dec 2008 15:38:45 +0200	[thread overview]
Message-ID: <20081209133844.GA5555@redhat.com> (raw)
In-Reply-To: <20081207025738.GA27991@morn.localdomain>

On Sat, Dec 06, 2008 at 09:57:38PM -0500, Kevin O'Connor wrote:
> Also, wouldn't this corrupt memory used by the stack (the stack gets
> set to 0xfffe, and s3_post has call insns in it)?
Here is the patch to set stack pointer to a different value on S3 resume:

Signed-off-by: Gleb Natapov <gleb@redhat.com>

diff --git a/bios/rombios.c b/bios/rombios.c
index 7a9c1fd..8e1d3ec 100644
--- a/bios/rombios.c
+++ b/bios/rombios.c
@@ -9114,6 +9114,7 @@ retf_post_0x467:
   retf
 
 s3_post:
+  mov sp, #0xffe
 #if BX_ROMBIOS32
   call rombios32_init
 #endif
--
			Gleb.

  parent reply	other threads:[~2008-12-09 13:38 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-11-27 11:02 [Qemu-devel] [PATCH v5 0/5] Support for S3 ACPI state (suspend to memory) in BIOS Gleb Natapov
2008-11-27 11:02 ` [Qemu-devel] [PATCH v5 1/5] Add S3 state to DSDT. Handle resume event in the BIOS Gleb Natapov
2008-12-07  2:57   ` [Qemu-devel] Re: [Bochs-developers] " Kevin O'Connor
2008-12-07  9:20     ` Gleb Natapov
2008-12-07 15:10       ` Kevin O'Connor
2008-12-07 16:31         ` Gleb Natapov
2008-12-09 22:26       ` [Qemu-devel] Re: [Bochs-developers] [PATCH v5 1/5] Add S3 state to DSDT.Handle " Sebastian Herbszt
2008-12-10  0:06         ` Kevin O'Connor
2008-12-10 10:22           ` Gleb Natapov
2008-12-09 13:38     ` Gleb Natapov [this message]
2008-12-09 15:12       ` [Qemu-devel] RE: [Bochs-developers] [PATCH v5 1/5] Add S3 state to DSDT. Handle " Stanislav
2008-12-14 22:02       ` [Qemu-devel] Re: [Bochs-developers] [PATCH v5 1/5] Add S3 state to DSDT.Handle " Sebastian Herbszt
2008-11-27 11:02 ` [Qemu-devel] [PATCH v5 2/5] Preserve memory content during SMM init Gleb Natapov
2008-11-27 11:02 ` [Qemu-devel] [PATCH v5 3/5] Execute rombios32 code from rom address 0xe0000 Gleb Natapov
2008-11-27 11:02 ` [Qemu-devel] [PATCH v5 4/5] Don't use unreserved memory in BIOS Gleb Natapov
2008-11-27 11:02 ` [Qemu-devel] [PATCH v5 5/5] Don't power down vga card on entering S3 state Gleb Natapov
2008-11-27 12:17 ` [Qemu-devel] [PATCH v5 0/5] Support for S3 ACPI state (suspend to memory) in BIOS Carl-Daniel Hailfinger
2008-11-27 12:35   ` Gleb Natapov
2008-11-27 18:59     ` [Bochs-developers] " Stanislav
2008-11-27 19:07       ` Carl-Daniel Hailfinger
2008-11-27 20:04         ` Stanislav
2008-11-27 21:04           ` Carl-Daniel Hailfinger
2008-11-29 19:42             ` Stanislav
2008-12-04 10:04               ` Carl-Daniel Hailfinger

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