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From: ram <ram@curvesoft.com>
To: linux-assembly@vger.kernel.org
Subject: GRUB sample kernel question
Date: Sat, 01 Nov 2003 09:07:02 -0800	[thread overview]
Message-ID: <3FA3E836.4070709@curvesoft.com> (raw)
In-Reply-To: <oprxh599q8b2epmx@localhost>

Hi,

I was looking at the toy kernel in the grub distribution (multiboot.h, 
kernel.c, boot.S
in the 'docs' subdirectory) and noticed boot.S starts out like this:

    .globl    start, _start
start:
_start:
    jmp    multiboot_entry
    ....
multiboot_entry:

I'm wondering why this jump is needed; couldn't the start/_start labels 
simply have
been placed adjacent to the multiboot_entry label thereby avoiding the 
jump ?

Thanks.

Ram



  reply	other threads:[~2003-11-01 17:07 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-10-23 12:03 confused asm newbie Jason Roberts
2003-10-23 12:53 ` Frederic Marmond
2003-10-23 14:38 ` willy meier
2003-10-23 15:50 ` Philip Jacob Smith
2003-11-01 17:07   ` ram [this message]
2003-11-01 21:24     ` GRUB sample kernel question Alexander Jänicke
2003-11-01 22:36       ` ram
2003-11-17 11:47   ` confused asm newbie b klein
2003-11-17 12:29     ` Frederic Marmond
2003-11-17 13:18       ` b klein
2003-11-17 13:36         ` Frederic Marmond
2003-11-18  2:51     ` Philip Jacob Smith
2003-11-20 21:52       ` b klein

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