From: Chris Dearman <chris@mips.com>
To: David Kesselring <dkesselr@mmc.atmel.com>
Cc: linux-mips@linux-mips.org
Subject: Re: C0 config reg for 5k core
Date: Tue, 12 Aug 2003 12:21:08 +0100 [thread overview]
Message-ID: <3F38CDA4.40208@mips.com> (raw)
In-Reply-To: Pine.GSO.4.44.0308111422220.4449-100000@ares.mmc.atmel.com
David Kesselring wrote:
> Has anyone else built linux 2.4 for a 5k or 5kf core? When comparing cpu.h
I have :)
> and the MIPS64 5K Processor Core Family Software Users Manual it doesn't
> look to me that the c0-config1 reg is defined the same way. Am I reading
> something wrong? For example in the spec FPU flag is bit0 while in cpu.h
> it is bit4. Seems pretty basic.
The option bits defined in cpu.h are software flags. See
arch/mips/kernel/setup.c where these flags are set for each processor by
reading appropriate registers.
Regards
Chris
--
Chris Dearman The Fruit Farm, Ely Road voice +44 1223 706206
MIPS Technologies (UK) Chittering, Cambs, CB5 9PH fax +44 1223 706250
next prev parent reply other threads:[~2003-08-12 11:21 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-08-11 18:28 C0 config reg for 5k core David Kesselring
2003-08-11 19:32 ` Mike Uhler
2003-08-11 19:57 ` David Kesselring
2003-08-11 20:00 ` Mike Uhler
2003-08-12 11:21 ` Chris Dearman [this message]
2003-08-12 12:39 ` David Kesselring
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