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Re: [Qemu-devel] [BUG] [PATCH] Fix emulation for MIPS CP3 opcode?
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From: |
Thiemo Seufer |
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Subject: |
Re: [Qemu-devel] [BUG] [PATCH] Fix emulation for MIPS CP3 opcode? |
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Date: |
Tue, 1 May 2007 13:54:31 +0100 |
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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No it shouldn't. CP3 is obsolete since MIPS IV, and was unused before.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.
Thiemo