Re: [Ipodlinux-devel] Problem patching the firmware

[Bernard L. <le...@bo...>]

That output looks ok.  The "master image" is the default boot image
which is why it has the same as the apple firmware.  If you specified
the linux firmware first on the command line then it would become the
master.

Regarding your problem.  If you see the Folder icon on startup then the
bootloader was unable to start the image on disk which in turn means
that you must have modified it with the dd.

If you have mixed up 1.2 and 2.1 then this could be your problem.

Try restoring your iPod to its original firmware and make sure it boots
properly into the normal Apple OS.  Then once that is working try
following the bootloader instructions using a new backup from your
working iPod.  Other g3 users have had success so it definitely works ;)

cheers,
bern.

On Wed, 2004-01-28 at 18:05, Martino di Filippo wrote:
> Another thing.
> 
> root@matrix87:~/dat/ipodloader-src-0.3# ./make_fw -v -o my_sw.bin -i apple_sw.bin -l /usr/src/linux/linux.bin loader.bin
> Apple image added: type: '!ATAsoso' id: 0x6f736f73 len: 0x3194f4 addr: 0x28000000 vers: 0x     210
> devOffset: 0x00004400 entryOffset: 0x00000000 loadAddr: 0xFFFFFFFF chksum: 0x1102A4C6
> Linux image added: type: '!ATAsoso' id: 0x6f736f73 len: 0x1424ec addr: 0x28000000 vers: 0x       0
> devOffset: 0x0031DA00 entryOffset: 0x00000000 loadAddr: 0xFFFFFFFF chksum: 0x07816E1C
> Master image: type: '!ATAsoso' id: 0x6f736f73 len: 0x45d14c addr: 0x28000000 vers: 0x     210
> devOffset: 0x00004400 entryOffset: 0x0045BC00 loadAddr: 0xFFFFFFFF chksum: 0x188E5018
> 
> is there something wrong with that?
> i did not understand completely the code of make_fw.c, but is it right that 
> the apple image and the master image have the same devOffset? and why
> loadAddr of all images are 0xFFFFFFFF?
> thanks, bye
> 
> Martino
> 
> On Wednesday 28 January 2004 18:01, Martino di Filippo wrote:
> > Hi Bernard, thanks for your answer.
> >
> > I understood that 3g aren't yet supported, but i think i have a problem
> > before loading the kernel. In fact, the bootloader when installed should
> > show the tux image, and then decide which image to load. After i copy the
> > image prepared by the bootloader, i see the apple logo, not tux, and then i
> > get the broken folder icon, also with the 2.1 obviously because the linux
> > root does not deal with the normal folder structure. I think that some
> > offsets in the firmware are changed from previous ipods, and writing that
> > image on the first partition does not overwrite the boot section so it's
> > totally useless. It's only an idea obviously, but i cannot explain in other
> > way the fact that overwriting the firmware does nothing.
> >
> > I'll try some more.
> >
> > Martino
> >
> > On Wednesday 28 January 2004 02:29, Bernard Leach wrote:
> > > Hi Martino,
> > >
> > > The 3rd gen iPods aren't fully working yet.  Take a look at the mail
> > > archives on sourceforge for more details.
> > >
> > > Basically though if you use the new bootloader you can use your existing
> > > 2.1 firmware (you are getting the broken folder icon b/c you downgraded
> > > to 1.2 so you need to switch back to 2.1).
> > >
> > > cheers,
> > > bern.
> > >
> > > On Wed, 2004-01-28 at 01:21, Martino di Filippo wrote:
> > > > -----BEGIN PGP SIGNED MESSAGE-----
> > > > Hash: SHA1
> > > >
> > > > I have a 3rd generation ipod, with firmware 2.1.
> > > > Since in the documentation is recomended to downgrade to 1.2x, i've
> > > > downloaded the 1.2.2 firmware and installed it from windows. Then i
> > > > prepared the kernel, following step by step instuctions on your site,
> > > > and i patched my 1.2x firmware with the compiled linux.bin. I wrote it
> > > > down with dd, but when i reset the ipod, i only see as usual the
> > > > half-eaten apple, then the icon that says that folder structure is
> > > > broken, and then it automatically enters in disk mode. Where is the
> > > > mistake? I am sure i wrote the firmware with the right command ("dd
> > > > if=patched_firmware of=/dev/sda1" (my ipod firmware)) but it seems that
> > > > nothing changes. Any hint?
> > > >
> > > > Thanks in advance and sorry for my _bad_ english
> > > > - --
> > > > Martino di Filippo <matrix87>
> > > > web...@ma...
> > > > http://www.matrix87.com
> > > > -----BEGIN PGP SIGNATURE-----
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> > > >
> > > > iD8DBQFAFwCIjQb/yIPtCmYRAp5qAKCANqPlIiG8aky36xxzWN+JrdGbVwCbByvp
> > > > 5GCqEdUclLm1k0ZJgj0Eg0o=
> > > > =LB9y
> > > > -----END PGP SIGNATURE-----
> > > >
> > > >
> > > >
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