Palm IIIx: os & bootloader interaction

Archived from groups: comp.sys.palmtops (More info?)

Jim wrote:
> Hi,
>
> I'm preparing to put my own OS on my PalmIIIx--got the tools working &
> I can load embedded programs into ram that write to the micro's
> registers, etc.
>
> I need to know where to place my OS in flash (where the bootloader will
> jump to). It most likely goes in the 2nd sector of flash
> (0x10C08000--after the remap by the memory controller). What concerns
> me more is if there is some magic number or (worse) checksum stored
> somewhere in rom that the bootloader uses to verfiy there's a legit OS
> image in flash. I REALLY don't want to reverse engineer the bootloader
> assembly. .

The U-Boot bootloader is known to run on the same architectures as most
Palm devices. You might want to ask around that if you haven't already.

http://sourceforge.net/projects/u-boot/
http://sourceforge.net/forum/forum.php?forum_id=223525

Archived from groups: comp.sys.palmtops (More info?)

In article <1121731256.427173.67540@g49g2000cwa.googlegroups.com>, Jim wrote:
> Thanks for the reply. Interesting project (u-boot). But,
> unfortunately, there's no support for the Palm IIIx (or any palm for
> that matter).

You might find something of use from LinuxDA, which had Linux running on
a Palm IIIxe.

--
Sincerely,

Ray Ingles (313) 227-2317

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