linux-mips
[Top] [All Lists]

Re: Toshiba TX3927 board boot problem.

To: ahennessy@mvista.com
Subject: Re: Toshiba TX3927 board boot problem.
From: Atsushi Nemoto <nemoto@toshiba-tops.co.jp>
Date: Tue, 30 Oct 2001 12:14:03 +0900 (JST)
Cc: carstenl@mips.com, ralf@oss.sgi.com, ajob4me@21cn.com, linux-mips@oss.sgi.com
In-reply-to: <3BDDF193.B6405A7F@mvista.com>
Organization: TOSHIBA Personal Computer System Corporation
References: <20011029.160225.59648095.nemoto@toshiba-tops.co.jp> <3BDD140E.432D795B@mips.com> <3BDDF193.B6405A7F@mvista.com>
Sender: owner-linux-mips@oss.sgi.com
>>>>> On Mon, 29 Oct 2001 16:17:23 -0800, Alice Hennessy <ahennessy@mvista.com> 
>>>>> 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

<Prev in Thread] Current Thread [Next in Thread>