From mboxrd@z Thu Jan  1 00:00:00 1970
From: "H. Peter Anvin" <hpa@zytor.com>
Subject: Re: Extboot Option ROM rewritten in C - v3
Date: Thu, 17 Apr 2008 02:00:29 -0400
Message-ID: <4806E77D.7070100@zytor.com>
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Cc: kvm-devel@lists.sourceforge.net
To: Nguyen Anh Quynh <aquynh@gmail.com>
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> +	.globl linux_boot
> +linux_boot:
> +	cli
> +	cld
> +	mov $0x9000, %ax
> +	mov %ax, %ds
> +	mov %ax, %es
> +	mov %ax, %fs
> +	mov %ax, %gs
> +	mov %ax, %ss
> +	mov $0x8ffe, %sp
> +	ljmp $0x9000 + 0x20, $0

The hard use of segment 9000 is really highly unfortunate for bzImage, 
since it restricts its heap more than necessary.  I suggest following 
the patterns used by the (new) Qemu loader.

	-hpa


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