From: Adam Nielsen <a.nielsen@optushome.com.au>
To: linux-mips@linux-mips.org
Subject: Re: Running Linux on an NCD HMX X-Terminal
Date: Sun, 11 Jan 2004 12:04:23 +1000 [thread overview]
Message-ID: <200401111204.23752@korath> (raw)
In-Reply-To: <200401101240.i0ACePX01584@mwave.heeltoe.com>
> I brought up linux on the PPC403 version of an NCD x-terminal. As I recall
> I had to write program to hack the elf header to get kernels to load.
> The project is at http://sourceforge.net/projects/explora-linux/
Hmm...this looks interesting!
> You may get lucky and find they used the same format for MIPS...
Well I am hopeful, given that they use the same manual for the HMX and the
Explora, but running ncdhack on the kernel didn't seem to have any effect :-(
I did try some fiddling with the ELF files, just to see what would happen (but
not having any experience with this, I was just guessing ;-)) The load
address for the proper boot image is 0x40020000 but the kernel is 0x88002000
which I think is partly why it doesn't work. If I shrink the ELF file a
little by removing a couple of the sections (by telling objcopy to ignore
them) *and* I change the load address to 0x40020000 then the xterm actually
downloads the image but then gives a "File corrupted CRC error" just as it
goes to boot it.
I'm not sure why that happens, because manipulating the file properly with
objcopy should adjust any CRC checksums accordingly. I wonder whether the
xterm is checking that the image is 'official'?
Cheers,
Adam.
prev parent reply other threads:[~2004-01-11 2:05 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-01-10 5:05 Running Linux on an NCD HMX X-Terminal Adam Nielsen
2004-01-10 12:40 ` Brad Parker
2004-01-11 2:04 ` Adam Nielsen [this message]
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