Messages in this thread | | | Date | Mon, 13 Sep 2010 03:30:41 +0200 | From | Robert Richter <> | Subject | Re: [RFC 1/6] x86, NMI, Add symbol definition for NMI magic constants |
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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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