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Re: [Qemu-devel] [BUG] [PATCH] Fix emulation for MIPS CP3 opcode?

From: Thiemo Seufer
Subject: Re: [Qemu-devel] [BUG] [PATCH] Fix emulation for MIPS CP3 opcode?
Date: Tue, 1 May 2007 13:54:31 +0100
User-agent: Mutt/1.5.13 (2006-08-11)

Stefan Weil wrote:
> Maybe the CpU exception for OPC_CP3 should
> set CP0 Cause CE to 3, not 1?

No it shouldn't. CP3 is obsolete since MIPS IV, and was unused before.
It was replaced/renamed to CP1x. If an instruction for CP1x raises an
exception it should signal as CP1 exception.


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