From: Russ Anderson <rja@sgi.com>
To: "H. Peter Anvin" <hpa@zytor.com>
Cc: mingo@elte.hu, tglx@linutronix.de, linux-kernel@vger.kernel.org,
Jack Steiner <steiner@sgi.com>
Subject: Re: [patch] x86 BIOS interface for RTC on SGI UV
Date: Thu, 10 Jul 2008 09:54:27 -0500 [thread overview]
Message-ID: <20080710145426.GA2392@sgi.com> (raw)
In-Reply-To: <4875697A.2010605@zytor.com>
On Wed, Jul 09, 2008 at 09:44:26PM -0400, H. Peter Anvin wrote:
> Russ Anderson wrote:
> >[patch] x86 BIOS interface for RTC on SGI UV
> >
> >Real-time code needs to know the number of cycles per second
> >on SGI UV. The information is provided via a run time BIOS
> >call. This patch provides the linux side of that interface.
> >This is the first of several run time BIOS calls to be defined
> >in uv/bios.h and bios_uv.c.
> >
> >Note that BIOS_CALL() is just a stub for now. The bios
> >side is being worked on.
> >
>
> Do you have a proposed specification that could be reviewed before it is
> cast in stone?
I would like to follow the ia64 SAL spec (http://download.intel.com/design/itanium/specupdt/245359.pdf).
There is no corresponding Intel spec for x86_64.
For examples of what I would like, see the ia64 files:
include/asm-ia64/sal.h, include/asm-ia64/sn/sn_sal.h, and
arch/ia64/kernel/sal.c.
--
Russ Anderson, OS RAS/Partitioning Project Lead
SGI - Silicon Graphics Inc rja@sgi.com
prev parent reply other threads:[~2008-07-10 14:54 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-07-09 20:27 [patch] x86 BIOS interface for RTC on SGI UV Russ Anderson
2008-07-09 20:58 ` Rene Herman
2008-07-09 21:36 ` Russ Anderson
2008-07-09 21:47 ` Rene Herman
2008-07-09 22:09 ` Russ Anderson
2008-07-09 22:54 ` Rene Herman
2008-07-10 1:44 ` H. Peter Anvin
2008-07-10 14:54 ` Russ Anderson [this message]
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