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Message-ID: <20080710145426.GA2392@sgi.com> Date: Thu, 10 Jul 2008 09:54:27 -0500 From: Russ Anderson <rja@....com> To: "H. Peter Anvin" <hpa@...or.com> Cc: mingo@...e.hu, tglx@...utronix.de, linux-kernel@...r.kernel.org, Jack Steiner <steiner@....com> Subject: Re: [patch] x86 BIOS interface for RTC on SGI UV 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@....com -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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