From: Hicks, Jamey (Jamey.Hicks@compaq.com)
Date: Mon Apr 29 2002 - 08:46:12 EDT
Bootldr documentation:
http://www.handhelds.org/handhelds-faq/bootldr.html
Dual boot documentation:
http://www.handhelds.org/handhelds-faq/dualboot.html
http://www.handhelds.org/z/wiki/BootingLinuxFromCF
-Jamey
> -----Original Message-----
> From: Emmanuel Blot [mailto:emmanuel.blot@anciens.enib.fr]
> Sent: Monday, April 29, 2002 5:10 AM
> To: bootldr@handhelds.org
> Subject: [Bootldr] Bootldr & CompactFlash.
>
>
>
> Hi,
>
> I have a iPaq 3850. I've installed the last available release
> of bootldr
> on my machine (2.18.41).
> I'm a newbie on Linux for Ipaq (although I'm using Linux for several
> years on PC boxes)
> Up to now, I did not overwrite the 'root' partition of the internal
> FlashRom, so if I press the reset 'button' of the Ipaq, it boots WinCE
> (PocketPC 2002), and if I press the central button of the joypad + the
> reset 'button', it boots the bootldr (with Tux screen, etc.)
>
> It seems that the last releases of the bootldr allow to boot from
> various devices, like a CompactFlash card inserted in the back sleeve
> (please correct me if I'm wrong)
> I tried to put a zImage file on a VFAT CF, and the command 'boot vfat
> zImage' seems to work: the Linux kernel is uncompressed in
> memory, then
> boots.
> However, it stalls when the kernel tries to find and mount the root
> filesystem (/).
> I tried to put a standard root filesystem on the same device
> (but it is
> VFAT formatted, so I guess that the kernel may have some troubles with
> such a poor filesystem), but the kernel does not seems to detect it. I
> don't know how to specify to the kernel where to find the root
> partition: the 'root=...' option may work, but I don't know
> how is named
> the CF at boot time (/dev/hda1 ??)
>
> My main problem is that I can't find up-to-date documentation
> about the
> bootldr. I went through the CVS tree, but it seems the
> documentation is
> only for 2.18.01, and I can't find any description for the new bootldr
> options (command line via the serial port) that have been added since
> 2.18.01
>
> * Where could I find some up-to-date documentation about the new boot
> loaders (if there's any)?
> * Is it possible to boot from a CF flash the whole Linux
> system, without
> having to erase the 'root' partition of the iPAQ device, and what are
> the parameters to give to the kernel ?
> - To do this, should I use the 'boot vfat' or 'boot ide' option
> * What filesystem is recommanded on the compact flash to boot
> from it ?
> I don't want to access this CF from Windows, so I don't need it to be
> VFAT-formatted.
>
> Thanks in advance,
> Manu
>
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