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Re: [Qemu-devel] [PATCH] Add MIPS ELF loader

From: Alexander Voropay
Subject: Re: [Qemu-devel] [PATCH] Add MIPS ELF loader
Date: Thu, 20 Apr 2006 15:02:52 +0400

"Thiemo Seufer" <address@hidden> wrote:

>You could find my qemu.log there:
>It goes into infinity exception loop. I'm not quite sure why but you're getting a RI exception on the address 0xbfc00008 wich is the "move k0, zero" in the delay slot. I don't see a problem in the code, but have you tried this sequence?

  move k0, zero
  j    0xbfc00400

Is the move implemented as addiu or as daddiu? The latter would RI.

Oh! It was daddu (gcc -mips3) opcode.

Thank you!

Can someone add a path to make a log more readable (exception cause decode).

The disassembler should be improved too, to mark a 64-bit opcodes as invalid
for MIPS32...


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