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From: H.J. Lu <hjl@sourceware.org> To: glibc-cvs@sourceware.org Subject: [glibc] <sys/platform/x86.h>: Add WRMSRNS support Date: Wed, 5 Apr 2023 22:44:54 +0000 (GMT) [thread overview] Message-ID: <20230405224454.4AF0E3858C54@sourceware.org> (raw) https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=227983551d3b590e1a9ed4e81d793b7f6abfadd2 commit 227983551d3b590e1a9ed4e81d793b7f6abfadd2 Author: H.J. Lu <hjl.tools@gmail.com> Date: Wed Apr 5 09:21:37 2023 -0700 <sys/platform/x86.h>: Add WRMSRNS support Add WRMSRNS support to <sys/platform/x86.h>. Reviewed-by: Noah Goldstein <goldstein.w.n@gmail.com> Diff: --- manual/platform.texi | 3 +++ sysdeps/x86/bits/platform/x86.h | 1 + sysdeps/x86/tst-get-cpu-features.c | 1 + 3 files changed, 5 insertions(+) diff --git a/manual/platform.texi b/manual/platform.texi index ecee3a7b39..af79f5eb4d 100644 --- a/manual/platform.texi +++ b/manual/platform.texi @@ -679,6 +679,9 @@ using a TSC deadline value. @item @code{WIDE_KL} -- AES wide Key Locker instructions. +@item +@code{WRMSRNS} -- WRMSRNS instruction. + @item @code{X2APIC} -- x2APIC. diff --git a/sysdeps/x86/bits/platform/x86.h b/sysdeps/x86/bits/platform/x86.h index 74b7f951e1..2a15ad937a 100644 --- a/sysdeps/x86/bits/platform/x86.h +++ b/sysdeps/x86/bits/platform/x86.h @@ -297,6 +297,7 @@ enum x86_cpu_FZLRM = x86_cpu_index_7_ecx_1_eax + 10, x86_cpu_FSRS = x86_cpu_index_7_ecx_1_eax + 11, x86_cpu_FSRCS = x86_cpu_index_7_ecx_1_eax + 12, + x86_cpu_WRMSRNS = x86_cpu_index_7_ecx_1_eax + 19, x86_cpu_HRESET = x86_cpu_index_7_ecx_1_eax + 22, x86_cpu_LAM = x86_cpu_index_7_ecx_1_eax + 26, diff --git a/sysdeps/x86/tst-get-cpu-features.c b/sysdeps/x86/tst-get-cpu-features.c index 329d4aafb4..9c436eaa64 100644 --- a/sysdeps/x86/tst-get-cpu-features.c +++ b/sysdeps/x86/tst-get-cpu-features.c @@ -209,6 +209,7 @@ do_test (void) CHECK_CPU_FEATURE_PRESENT (FZLRM); CHECK_CPU_FEATURE_PRESENT (FSRS); CHECK_CPU_FEATURE_PRESENT (FSRCS); + CHECK_CPU_FEATURE_PRESENT (WRMSRNS); CHECK_CPU_FEATURE_PRESENT (HRESET); CHECK_CPU_FEATURE_PRESENT (LAM); CHECK_CPU_FEATURE_PRESENT (AESKLE);
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