From: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
To: "Maciej W. Rozycki" <macro@linux-mips.org>
Cc: Ralf Baechle <ralf@linux-mips.org>, linux-mips@linux-mips.org
Subject: Re: [PATCH] DEC/SNI: O32 wrapper stack switching fixes
Date: Tue, 8 Apr 2014 08:53:06 +0200 [thread overview]
Message-ID: <20140408065306.GA23935@alpha.franken.de> (raw)
In-Reply-To: <alpine.LFD.2.11.1404072347230.26128@eddie.linux-mips.org>
On Tue, Apr 08, 2014 at 12:05:06AM +0100, Maciej W. Rozycki wrote:
> That is rather dangerous, if you do not dare debugging this yourself, can
> you build arch/mips/mm/page.c with -DDEBUG somehow so that it dumps the
I didn't get that to work :-(
> machine code generated by these two helpers and we can see what's going on
> here and maybe where the overflow is?
but adding more info to the debug message showed it's a simm field
overflow.
It didn't like
uasm_i_lui(&buf, AT, 0xa000);
which is only created for R4600 rev 2.0 CPUs.
Will send a fix for that.
Thomas.
--
Crap can work. Given enough thrust pigs will fly, but it's not necessarily a
good idea. [ RFC1925, 2.3 ]
next prev parent reply other threads:[~2014-04-08 6:58 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-03-31 23:14 [PATCH] DEC/SNI: O32 wrapper stack switching fixes Maciej W. Rozycki
2014-04-07 22:19 ` Thomas Bogendoerfer
2014-04-07 23:05 ` Maciej W. Rozycki
2014-04-08 6:53 ` Thomas Bogendoerfer [this message]
2014-04-08 11:25 ` Maciej W. Rozycki
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