linux-kernel - Re: [patches] [PATCH] [21/22] x86_64: Extend bzImage protocol for relocatable bzImage

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Message-ID: <86802c440705081944v27e5311fp14974813dbd5adf2@mail.gmail.com>
Date:	Tue, 8 May 2007 19:44:04 -0700
From:	yhlu <yhlu.kernel@...il.com>
To:	"Eric W. Biederman" <ebiederm@...ssion.com>
Cc:	"H. Peter Anvin" <hpa@...or.com>,
	"Jeremy Fitzhardinge" <jeremy@...p.org>, vgoyal@...ibm.com,
	"Gerd Hoffmann" <kraxel@...hat.com>,
	"Jeff Garzik" <jeff@...zik.org>, patches@...-64.org,
	linux-kernel@...r.kernel.org,
	virtualization <virtualization@...ts.linux-foundation.org>,
	"Rusty Russell" <rusty@...tcorp.com.au>, "Andi Kleen" <ak@...e.de>,
	"Ingo Molnar" <mingo@...e.hu>
Subject: Re: [patches] [PATCH] [21/22] x86_64: Extend bzImage protocol for relocatable bzImage

On 5/8/07, Eric W. Biederman <ebiederm@...ssion.com> wrote:
> "H. Peter Anvin" <hpa@...or.com> writes:
> I believe YH is asking how we setup real_mode_data in /sbin/kexec.

pxelinux:

SCREEN_INFO.orig_video_mode =  3
SCREEN_INFO.orig_x =  0
SCREEN_INFO.orig_y =  24
x86_boot_params[] :
0000: 00 18 ff ff 08 00 03 50 8c c8 03 00 8e c0 19 01
0010: 10 00 7c fb fc be 31 00 ac 20 c0 74 09 b4 0e bb
0020: 07 00 cd 10 eb f2 31 c0 cd 16 cd 19 ea f0 ff 00
0030: f0 44 69 72 65 63 74 20 62 6f 6f 74 15 00 10 00

current kexec:
SCREEN_INFO.orig_video_mode =  0
SCREEN_INFO.orig_x =  0
SCREEN_INFO.orig_y =  3
x86_boot_params[] :
0000: 00 03 00 fc 00 00 00 50 8c c8 00 00 8e c0 19 01
0010: 10 00 7c fb fc be 31 00 ac 20 c0 74 09 b4 0e bb
0020: 3f a3 00 16 eb f2 31 c0 cd 16 cd 19 ea f0 ff 00
0030: f0 44 69 72 65 63 74 20 62 6f 6f 74 15 00 20 00

YH
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