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SubjectRe: [RFC 1/6] x86, NMI, Add symbol definition for NMI magic constants
On 11.09.10 04:50:01, Andi Kleen wrote:
> On Fri, 10 Sep 2010 22:37:07 +0200
> Peter Zijlstra <peterz@infradead.org> wrote:
>
> > On Fri, 2010-09-10 at 10:51 +0800, Huang Ying wrote:
> > > + return inb(NMI_REASON_PORT);
> >
> > I've always wondered, where is this magic stuff documented?
>
> In the datasheet of the chipset. But sometimes you need
> to dig deeper to get a global picture including all chipsets.

It is also here:

http://support.amd.com/us/Embedded_TechDocs/43009_sb7xx_rrg_pub_1.00.pdf
2.3.3.1.1 IO-Mapped Control Registers

-Robert

--
Advanced Micro Devices, Inc.
Operating System Research Center



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