From: [email protected]
To: [email protected]
Subject: RE: [Angstrom-distro-users] zImage for sharp 3.10 rom
Date: Sat, 26 Jun 2010 05:32:21 -0600
Hello, Felipe.
Thank you, Felipe, for suggesting that I use ROMBurst.c to extract the kernel
and filesystem from Ospack. It gave me a good place to start researching.
It proved easier and probably faster to extract zImage from the Ospack of
SharpROM 3.1 by using 'dd' in a terminal, rather than using ROMBurst.c or
cutzrom.c,
since I did not have a cross-compiler or on-board compiler installed.
I was enlightened by 'crow' in a previous post at the OESF.org forum:
http://www.oesf.org/forum/index.php?showtopic=7699&pid=46778&mode=thread&start=#entry46778
Also helpful was the documentation contained in Mark T. Grennan's cutzrom.c
program source, which documented the organization of the 1.02 ROM for SL-5000.
To confirm that the ZIMAGE and ROMDISK.BIN had not moved, I used the following
terminal command after changing the working directory to be the same as the
location of the Ospack file:
dd if=Ospack | hexdump -C
This command scrolled through the entire Ospack and at the end was a directory
structure, which confirmed by comparison with Grennan's documentation, that
ZIMAGE and ROMDISK.BIN had not moved since SharpROM version 1.02.
Then, I adapted the advice of 'crow' from the OESF.org forum post mentioned
above.
In a terminal,
To extract the kernel:
dd bs=131072 skip=6 count=8 if=Ospack of=zImage
To extract the file system:
dd bs=131072 skip=14 count=128 if=Ospack of=initrd.bin
I now have a 1 MB kernel (zImage) and a 15 MB file system (initrd.bin)
So as not to clog everyone's mailboxes, I will send the 1 MB zImage file to you
at your personal email address.
Let me know if you want the 15 MB initrd.bin file.
I can split it and send it to you in email attachment sized pieces, as I did
previously with the 5500v31c.zip SharpROM.
I will only send the 15 MB file system if you ask for it, so as to not clog
your email unnecessarily.
If anyone else wants these, let me know.
Cordially,
Ron Hardy
> Date: Fri, 25 Jun 2010 20:36:07 -0400
> From: [email protected]
> To: [email protected]
> Subject: [Angstrom-distro-users] zImage for sharp 3.10 rom
>
> Does anybody have a kernel (zImage file) for sharp 3.10 rom.
>
> Must be standalone or initrd.bin with kernel integrated.
>
> Im trying to get sharp rom booting with kexecboot.
>
> Cheers,
>
> Felipe
>
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