From: Jamey Hicks (jamey.hicks@hp.com)
Date: Tue Jun 11 2002 - 16:31:11 EDT
Ling Su wrote:
>Hi Andrew,
>
>Thanks for the info. Actually I did read the bootldr menu, but I found there
>are some inconsistency among different versions. I checked the newer version
>bootldr document, the 'load kernel' is still availble. But I just don't know
>why in the old version linux (v0.20 or before), there is no need to create a
>'kernel' partion before you issue 'load kernel'. Does this mean ther old
>version bootldr (2.14.xx) default partition table aready including 'kernel'
>partition?
>
In the older versions of the bootldr, the 'kernel' partition was part of
the default partitioning of flash. That is no longer true.
You can define a kernel partition using the partition_define command.
You will also need to define a params partition:
partition define params 0x40000 0x40000 0
partition define kernel 0x80000 0x80000 0
partition define root 0x100000 0xfc000000 0
set boot_type flash
params save
This defines the partitions that were default with bootldr 2.14.x and
saves them to the params partition along with the params. After these
partitions are defined, the 'load kernel' command will work.
Jamey
>
>In the url you point to, the "boot flash" command will invoke system
>installed on partition named "kernel_partition", from this, I guess, I need
>to define a partition with "kernel_partition" intstead of "kernel" and load
>the "kernel_partition", then use "load flash" to boot? Is this correct? If
>so, when I define the "kernel_partition", how do I set the flags?
>
>Thanks for your kindly attention!
>
>Regards,
>-Ling
>
>
>----- Original Message -----
>From: "Christian, Andrew" <Andrew.Christian@hp.com>
>To: "Ling Su" <lingsu@hotmail.com>; <bootldr@handhelds.org>
>Subject: [Bootldr] RE: [Familiar] Help, or shed some light... thanks!
>
>
>Take a look at the FAQ:
>
>http://www.handhelds.org/handhelds-faq/bootldr.html
>
>- Andrew
>
>
>-----Original Message-----
>From: Ling Su [mailto:lingsu@hotmail.com]
>Sent: Tuesday, June 11, 2002 2:47 PM
>To: bootldr@handhelds.org
>Cc: familiar@handhelds.org; familiar-dev@handhelds.org; Panariti, David;
>jamey@handhelds.org
>Subject: [Familiar] Help, or shed some light... thanks!
>
>Dear Everyone, especially to Dave or Jame :)
>
>I recently post following message on the list, without a single reply so
>far... :( Could anyone take a look and provide some suggestions? Thanks
>a
>lot! I need some clue badly.
>
>I have been off the list for some time, so I found there are plenty of
>enhancements/changes for bootldr-2.18.xx compared to2.14.xx.
>
>Now I want to try some other OS that doesn't support JFFS2. I don't
>want to
>screw up the bootldr, so it is unlikely for me to change bootldr to
>support
>other OS's filesystem, I prone to use cramfs at the beginning. For
>example,
>to isntall plan9 on ipaq I basically need to follow a instruction pretty
>much the same as handhelds linux release
>v.20(http://www.acl.lanl.gov/plan9/bitsy/). (All the instrutions there
>are
>based on bootldr-2.14.xx, and image files are cramfs instead of jffs2.
>Since
>I have installed the bleeding-edge one 2.18.48, I
>hope I don't need to roll back. :)
>
>I tried to load the old version linux from handhelds.org, such as
>version
>0.20, when I issue 'load kernel' to the new boot loader, the response is
>'no
>partition named kernel'. I figured out now the default partitions are
>'bootldr' and 'root', and the default boot type is 'jffs2'. My question
>is
>simple, can I install those old cramfs linux image (before v0.2, Iguess)
>using the new bootldr? If yes, what I need to do to define a kernel
>partion,
>such as address, size, etc.? Is it possible to make a single root image
>in
>cramfs format and load it as it does on jffs2 image? Or worded in
>another
>way, if I want to change to boot_type back to 'flash' from jffs2, how
>could
>I build the image files and load them under the new bootldr?
>
>I am a bit confused now, since I didn't pay attention to previous
>partitions
>when I install v0.1. If anyone can take a little time to explain it or
>point
>me some url, it will be highly appreciated!
>
>Regards,
>-Ling
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