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Re: Toshiba JMR 3927 working setup?

To: gregor.waltz@raritan.com
Subject: Re: Toshiba JMR 3927 working setup?
From: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Date: Sat, 12 Jan 2008 21:17:49 +0900 (JST)
Cc: linux-mips@linux-mips.org
In-reply-to: <4787AC3D.2020604@raritan.com>
Original-recipient: rfc822;linux-mips@linux-mips.org
References: <477E7DAE.2080005@raritan.com> <20080106.000725.75184768.anemo@mba.ocn.ne.jp> <4787AC3D.2020604@raritan.com>
Sender: linux-mips-bounce@linux-mips.org
On Fri, 11 Jan 2008 12:49:49 -0500, Gregor Waltz <gregor.waltz@raritan.com> 
wrote:
> I built linux-2.6.23.9 with the above, but the results are still the 
> same and the EPC is not in System.map.

Are you searching the exact EPC value in System.map?
Usually you should find a function symbol which contains the EPC value in it.

Or you can do "mipsel-linux-objdump -d vmlinux" and search the EPC value.

> Exception! EPC=8005625c CAUSE=30000008(TLBL)
> 8005625c 8e020098 lw      v0,152(s0)                        # 0x98
> 
> I presume that 8e020098 is the full instruction, so I have tried 
> searching for it in vmlinux.bin. The first occurrence is around 0x869b, 
> which is more than 32k into the file. There is also nearly 1k worth of 
> zero padding at the start of vmlinux.bin.

The 1k zero padding is normal.  Please refer arch/mips/kernel/head.S.

---
Atsushi Nemoto

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