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From: Stefan Rosinger <stefan.rosinger@cesys.com>
To: ecos-devel@sources.redhat.com, "v2p@mind.be" <v2p@mind.be>
Subject: Problem with Virtex II Pro PowerPC 405 in 'hal_cpu_int_merge'
Date: Thu, 28 Oct 2004 17:27:00 -0000	[thread overview]
Message-ID: <opsglb3ydzwdnz90@www.cesys.com> (raw)

Hi all!

I have the same problem described here

http://ecos.sourceware.org/ml/ecos-discuss/2004-01/msg00080.html

I am working with an adaption of the Mind port of eCos for the Virtex II 
Pro on an own developed hardware. I am building a ROM startup 
configuration and don't use Redboot. I debug with GDB over a JTAG 
connection.

I read the mail above and also disabled the MMU and Data/Instruction 
caches. That brought no effect.
I also unchecked the 'use seperate interrupt stack'...

The instruction where the stack crashes:

	.macro	hal_cpu_int_merge sr
         mfmsr   r0
         rlwimi  r0,\sr,0,16,16
         sync
         mtmsr   r0
         sync
	.endm

  at the mtmsr r0.
  the content of r0 at runtime is 0x9000

I have no idea why!
Who knows shomething about this problem.?

For more informations about hardware or something else, write me a mail!

Thx for help
Stefan

                 reply	other threads:[~2004-10-28 17:27 UTC|newest]

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