Re: [patch] x86 BIOS interface for RTC on SGI UV

[Russ Anderson]

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@xxxxxxx
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