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<== Date ==> <== Thread ==>
Subject: Re: Booting RTEMS IOC problem
From: Eric Norum <[email protected]>
To: Edwin <[email protected]>
Cc: [email protected]
Date: Thu, 12 Dec 2002 09:33:11 -0600

On Thursday, December 12, 2002, at 02:44 AM, Edwin wrote:

Dear all:
	I have finished building RTEMS boot images with EPICS 3.14 on
Linux, Host and client are both pc386.
	While when I am trying to boot the IOC through BOOTP, my IOC
stuck when loading the boot image "example.bt".

	I wrote the /etc/bootptab file as follows:
	client1:hd=/epics/client1/bin:\
		:vm=auto:ip=166.111.32.246:td=/tftpboot:\
		:ht=ethernet:ha=0000ECD01FC7:\
         :bf=example.bt:rp=/boot/client1/root

	I download a bootstrap PROM image from www.rom-o-matic.net,
which find my boopd service on my host pc successfully
and start to download the boot image 'example.bt'. Screen prints:
	.Me: 166.111.32.246, Server: 166.111.32.244
	Loading 166.111.32.244:/epics/client1/bin/example.bt ...(NBI)...


I believe that the 'NBI' means 'non-bootable image'. From this error message I'm guessing that you copied the executable EPICS application (bin/RTEMS-pc386/example) to the TFTP server (....../bin/example.bt). The rom-o-matic network boot ROMS however require a short 16-biit startup section of code to be prepended to the EPICS application.

Here's the script which I use to do this. I called it makeBootImage and run it as
makeBootImage bin/RTEMS-pc386/example
to produce example.bt which can be copied to the TFTP server.
================================================
#!/bin/sh

set -ex

case "$#" in
        1)      ;;
        *)      echo "Usage: $0 file[.exe]" >&2 ; exit 1 ;;
esac
n=`basename "$1" .exe`

code=2
trap 'rm -f /tmp/jnk$$.bin ; exit $code' 0 1 2 3

i386-rtems-objcopy --output-target=binary "$1" /tmp/jnk$$.bin
/opt/rtems/i386-rtems/pc386/build-tools/bin2boot "$n.bt" 0x00097E00 /opt/rtems/i386-rtems/pc386/lib/start16.bin 0x00097C00 0 /tmp/jnk$$.bin 0x00100000 0
code=0
====================================================

--
Eric Norum <[email protected]>
Department of Electrical Engineering
University of Saskatchewan
Saskatoon, Canada.
Phone: (306) 966-5394   FAX:   (306) 966-5407

Replies:
Re: Booting RTEMS IOC problem Till Straumann
References:
Booting RTEMS IOC problem Edwin
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