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Re: Simulator Porting

From: "Frank Ch. Eigler" <fche at redhat dot com>
To: Shilin Shakti <shilins at KPITCummins dot com>
Cc: cgen at sources dot redhat dot com
Date: Tue, 24 May 2005 08:59:05 -0400
Subject: Re: Simulator Porting
References: <4A1BE23A7B777442B60F4B4916AE0F1305AD34ED@sohm.kpit.com>

Hi -

On Tue, May 24, 2005 at 12:26:48PM +0530, Shilin Shakti wrote:
> [...]
> following message:
> "2 byte write to unmapped address 0xfffffffe at 0x404",=20
> while the similar m32r program runs fine. At 0x404 is a move immediate da
> ta instruction in my case (but how this 0xfffffffe address i'm confused!!
> ).

You could run the simulator under gdb, and put a breakpoint at the
point in the generated sem.c file which executes that move-immediate
instruction.  Without posting more information, such as your modified
.cpu file and disassembled sample program, we won't be able to help
much.

- FChE

Attachment: pgp00000.pgp
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References:
- Simulator Porting
  - From: Shilin Shakti

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