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Re: r3000 instruction set

To: kevink@mips.com, linux-mips@linux-mips.org
Subject: Re: r3000 instruction set
From: "Mark and Janice Juszczec" <juszczec@hotmail.com>
Date: Mon, 01 Mar 2004 15:38:08 +0000
Cc: uhler@mips.com, dom@mips.com, echristo@redhat.com
Original-recipient: rfc822;linux-mips@linux-mips.org
Sender: linux-mips-bounce@linux-mips.org
Hi folks

Thanks for all the information guys. Sorry I didn't reply sooner. I got buried at work with production problems but I've finally dug myself out from under.

It must have been a bad kaffe build. I deleted everything, reconfigured, made sure I specified --with-engine=intrp and rebuilt.

Now, I'm getting signal 10. I may need to set my stack and heap size smaller. kaffe's default sizes are bigger than all the memory in my pda.

I'll let y'all know what turns up.

Mark



From: "Kevin D. Kissell" <kevink@mips.com>
To: "Mark and Janice Juszczec" <juszczec@hotmail.com>, <linux-mips@linux-mips.org>
CC: <uhler@mips.com>, <dom@mips.com>, <echristo@redhat.com>
Subject: Re: r3000 instruction set
Date: Mon, 23 Feb 2004 18:21:19 +0100

> Someone suggested posting the message I get.  Here it is:
>
> >./kaffe-bin FirstClass
> [kaffe-bin:6] Illgal instruction 674696a at 2abb034, ra=2adbffd0,
> P0_STATUS=0000500
> pid 6: killed (signal 4)
> >Reading command line: Try again
> Kernel panic: Attmpted to kill int!

Let me guess.  You are running little-endian.  The instruction word
in memory would be 0x6a697406.  Do you think it's a coincidence
that 0x6a6974 spells "jit" in ASCII?  ;o)

The reported address range looks like that where kaffe builds its
JITted instruciton buffers in MIPS/Linux.  And, like I say, JIT is
somewhat broken for MIPS in Kaffe.  Which version of the kaffe sources
are you building, and have you tried configuring with --with-engine=intrp
as I suggested?

            Regards,

            Kevin K.

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