* AMD SVM specification
@ 2012-02-27 10:09 Prateek Sharma
2012-02-27 10:43 ` Andre Przywara
0 siblings, 1 reply; 2+ messages in thread
From: Prateek Sharma @ 2012-02-27 10:09 UTC (permalink / raw)
To: kvm
Hello,
I know this is not the right forum for this, but i am looking for
the recent specification/documentation of the AMD NPT and SVM
features. All i can find is the old pacifica document dating back to
2005, and only the NPT whitepaper.
The reason i seek this documentation is that i wish to modify some
KVM code. Specifically, i am interested in how the hardware
sets/resets the accessed/dirty bits of the guest/nested tables
[https://lkml.org/lkml/2011/6/22/20]
Any help will be appreciated.
Prateek
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: AMD SVM specification
2012-02-27 10:09 AMD SVM specification Prateek Sharma
@ 2012-02-27 10:43 ` Andre Przywara
0 siblings, 0 replies; 2+ messages in thread
From: Andre Przywara @ 2012-02-27 10:43 UTC (permalink / raw)
To: Prateek Sharma; +Cc: kvm
On 02/27/2012 11:09 AM, Prateek Sharma wrote:
> Hello,
> I know this is not the right forum for this, but i am looking for
> the recent specification/documentation of the AMD NPT and SVM
> features. All i can find is the old pacifica document dating back to
> 2005, and only the NPT whitepaper.
The technical SVM documentation is in the AMD64 Architecture
Programmer's Manual (APM) Volume 2:
http://support.amd.com/us/Processor_TechDocs/24593_APM_v2.pdf
SVM is detailed in chapter 15, with appendix B & C containing the needed
bits for the data structures. Other chapters in this document contain
details about paging, though this is mostly not AMD specific.
Regards,
Andre.
> The reason i seek this documentation is that i wish to modify some
> KVM code. Specifically, i am interested in how the hardware
> sets/resets the accessed/dirty bits of the guest/nested tables
> [https://lkml.org/lkml/2011/6/22/20]
>
> Any help will be appreciated.
>
> Prateek
--
Andre Przywara
AMD-Operating System Research Center (OSRC), Dresden, Germany
^ permalink raw reply [flat|nested] 2+ messages in thread
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