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<sys/platform/x86.h>: Add ArchPerfmonExt support

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Add Architectural Performance Monitoring Extended Leaf (EAX = 23H)
support to <sys/platform/x86.h>.
Reviewed-by: Noah Goldstein <goldstein.w.n@gmail.com>
This commit is contained in:
H.J. Lu
2023-04-05 09:21:36 -07:00
parent 2f02d0d8e1
commit a00db8305d
3 changed files with 6 additions and 0 deletions
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manual/platform.texi
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@@ -206,6 +206,10 @@ The supported processor features are:
@item
@code{ARCH_CAPABILITIES} -- IA32_ARCH_CAPABILITIES MSR.
@item
@code{ArchPerfmonExt} -- Architectural Performance Monitoring Extended
Leaf (EAX = 23H).
@item
@code{AVX} -- The AVX instruction extensions.