[ECOS] exec kernel with cvs ecos

Brian Austin brian.austin@cirrus.com
Fri Nov 17 09:25:00 GMT 2006


I have been using ecos-2.0 for quite some time and have moved up to a
daily snapshot.

I have moved my code over and am able to get redboot running on the
board.  I can init flash, setup net and all the good stuff.

However, when I exec the kernel I get 

Using base address 0x00080000 and length 0x00128938

My watchdog even resets the board.

I do not see an uncompress kernel message, so I am assuming it is
something in redboot.

My question is...  What has changed in the core that would break code
from ecos-2.0?

Are there new values for variables that have changed? 
I have looked at other ARM9 platforms and they seem pretty much the

Here is my full output.

+Ethernet eth0: MAC address 0e:00:00:ea:18:f0
IP:, Gateway:
Default server:

RedBoot(tm) bootstrap and debug environment [ROMRAM]
Non-certified release, version UNKNOWN - built 19:44:35, Nov 16 2006

Platform: Cirrus Logic EDB9315A Board (ARM920T) Rev A
Copyright (C) 2000, 2001, 2002, 2003, 2004 Red Hat, Inc.
Copyright (C) 2003, 2004, 2005, 2006 eCosCentric Limited

RAM: 0x00000000-0x04000000, [0x00042ee0-0x03fdd000] available
FLASH: 0x60000000 - 0x61000000, 128 blocks of 0x00020000 bytes each.
RedBoot>  load -v -r -b 0x100000 9315A/zImage
Using default protocol (TFTP)
Raw file loaded 0x00100000-0x00228937, assumed entry at 0x00100000
RedBoot> exec -c "root=/dev/ram console=ttyAM"
Using base address 0x00100000 and length 0x00128938


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