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authorH.J. Lu <hjl.tools@gmail.com>2021-02-04 10:39:34 -0800
committerH.J. Lu <hjl.tools@gmail.com>2021-02-07 08:01:14 -0800
commit5ab25c88758810269607a066fcac399e29863510 (patch)
treefff85c2b2b481b413d71872bd5753f870557d89a /manual
parentc3479fb7939898ec22c655c383454d6e8b982a67 (diff)
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x86: Add PTWRITE feature detection [BZ #27346]
1. Add CPUID_INDEX_14_ECX_0 for CPUID leaf 0x14 to detect PTWRITE feature
in EBX of CPUID leaf 0x14 with ECX == 0.
2. Add PTWRITE detection to CPU feature tests.
3. Add 2 static CPU feature tests.
Diffstat (limited to 'manual')
-rw-r--r--manual/platform.texi3
1 files changed, 3 insertions, 0 deletions
diff --git a/manual/platform.texi b/manual/platform.texi
index 6caf68d796..a0b204b099 100644
--- a/manual/platform.texi
+++ b/manual/platform.texi
@@ -488,6 +488,9 @@ extended state management using XSAVE/XRSTOR.
 @code{PSN} -- Processor Serial Number.
 
 @item
+@code{PTWRITE} -- PTWRITE instruction.
+
+@item
 @code{RDPID} -- RDPID instruction.
 
 @item