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Re: Toshiba TX3927 board boot problem.

Subject: Re: Toshiba TX3927 board boot problem.
From: Atsushi Nemoto <>
Date: Tue, 30 Oct 2001 12:14:03 +0900 (JST)
In-reply-to: <>
Organization: TOSHIBA Personal Computer System Corporation
References: <> <> <>
>>>>> On Mon, 29 Oct 2001 16:17:23 -0800, Alice Hennessy <> 
>>>>> said:
ahennessy> I would think that the CU1 bit should never be set to one
ahennessy> for FPU-less CPUs.

I think so too.

Talking about TX3927, When I tried, TX3927 did NOT raise any exception
on cp1 instruction if CU1 bit enabled.  The CPU just locked there.  So
some workaround is necessary for TX3927.

Atsushi Nemoto

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