linux-kernel - Linux as Bootloader

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Message-ID: <CAH9NwWfGA7jLWDZcN=DfGN5H2g=dt6U8SBxAX_wJAk6MKKfZAA@mail.gmail.com>
Date:	Mon, 5 Sep 2011 10:24:13 +0200
From:	Christian Gmeiner <christian.gmeiner@...il.com>
To:	linux-kernel@...r.kernel.org
Subject: Linux as Bootloader

Hi all,

I am using the linux kernel in combination with busybox and a separate
bootloader app to
startup a x86 based embedded device. As the used BIOS does only do
basic hw init, we
used Linux as a bootloader. Our custom BIOS starts the bootloader
kernel located in BIOS
flash. If the kernel and userland is ready our boot application
searches for the productive kernel
and executes it via kexec.

Now I run in some troubles as I need to be able to boot a MSDOS
application stored on
an usb stick. I have tried grub4linux but I am not able to boot from
the usb stick - even I
see the grub command line.

Are there some creative/working solutions for my problem?

thanks
--
Christian Gmeiner, MSc
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