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Re: [PATCH] Synthesize TLB refill handler at runtime

To: Thiemo Seufer <ica2_ts@csv.ica.uni-stuttgart.de>
Subject: Re: [PATCH] Synthesize TLB refill handler at runtime
From: Ralf Baechle <ralf@linux-mips.org>
Date: Wed, 24 Nov 2004 09:52:51 +0100
Cc: "Maciej W. Rozycki" <macro@linux-mips.org>, Manish Lachwani <mlachwani@mvista.com>, Geert Uytterhoeven <geert@linux-m68k.org>, Linux/MIPS Development <linux-mips@linux-mips.org>
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References: <20041121170242.GR20986@rembrandt.csv.ica.uni-stuttgart.de> <Pine.GSO.4.61.0411212048520.26374@waterleaf.sonytel.be> <20041121203757.GS20986@rembrandt.csv.ica.uni-stuttgart.de> <20041122070117.GB25433@linux-mips.org> <41A283BD.3080300@mvista.com> <Pine.LNX.4.58L.0411230036310.31113@blysk.ds.pg.gda.pl> <41A29DCF.8030308@mvista.com> <Pine.LNX.4.58L.0411232018390.19941@blysk.ds.pg.gda.pl> <20041124021644.GF902@rembrandt.csv.ica.uni-stuttgart.de>
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On Wed, Nov 24, 2004 at 03:16:44AM +0100, Thiemo Seufer wrote:

> > -#define i_ssnop(buf) i_sll(buf, 0, 2, 1)
> > +#define i_ssnop(buf) i_sll(buf, 0, 0, 1)
> 
> Just FYI, I took the ssnop definition from _ssnop in
> include/asm-mips/hazards.h, which is different from SSNOP in
> include/asm-mips/asm.h. I hope the difference is not meant to
> mean more than a typo. :-)

It was a typo.  As a shift instruction it may have kept semantics that
way but not as a superscalar nop ...

  Ralf

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