Converting zImage to S-records for CLLF/860T

Converting zImage to S-records for CLLF/860T

[Graham Stoney]

Dear fellow Embedees,

Now that our RPX CLLF/860T boards have arrived, I'm attempting to download a
kernel built from the mpc8xx-2.2.13.tgz sources via 100Mb Ethernet. The board
expects S-records, and the embedded_notes file mentions using 'zsrec' to
convert the zImage, but I can't find zsrec anywhere and I'm equally unsure of
the magic incantation to objcopy. The output from the obvious:
    powerpc-linux-objcopy -O srec zImage zImage.srec
is far too small to be correct.

Could someone please point me in the right direction to find zsrec?

Thank you,
Graham

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Re: Converting zImage to S-records for CLLF/860T

[Dan Malek]

Graham Stoney wrote:

> ......but I can't find zsrec anywhere and I'm equally unsure of
> the magic incantation to objcopy. The output from the obvious:
>     powerpc-linux-objcopy -O srec zImage zImage.srec
> is far too small to be correct.


At one time I did find the proper options to objcopy to create
the proper S-record file, but I found it easier and faster to
write a simple C program to do it.  I thought I put it on the
ppc.kernel.org server, but I will do that again.


> Could someone please point me in the right direction to find zsrec?

Look on the ppc.kernel.org server in a few minutes.  The program
just strips the 64K ELF header and converts the rest of the
file into S-Records.  You can use -h to include the header, in
case the file isn't ELF and you want the header.  You can use -s
to specify a different (hex) start address for the S-records.


	-- Dan

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