git: cf851111b02f - main - x86: add CPUID bits for SHA512/SM3/SM4
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Date: Wed, 01 Jul 2026 23:37:55 UTC
The branch main has been updated by kib:
URL: https://cgit.FreeBSD.org/src/commit/?id=cf851111b02fae7425f9642460762d644983fdca
commit cf851111b02fae7425f9642460762d644983fdca
Author: Konstantin Belousov <kib@FreeBSD.org>
AuthorDate: 2026-07-01 23:29:04 +0000
Commit: Konstantin Belousov <kib@FreeBSD.org>
CommitDate: 2026-07-01 23:37:40 +0000
x86: add CPUID bits for SHA512/SM3/SM4
Reviewed by: mav
Sponsored by: The FreeBSD Foundation
MFC after: 1 week
Differential revision: https://reviews.freebsd.org/D58003
---
sys/x86/include/specialreg.h | 3 +++
sys/x86/x86/identcpu.c | 3 +++
2 files changed, 6 insertions(+)
diff --git a/sys/x86/include/specialreg.h b/sys/x86/include/specialreg.h
index edf281225180..66ae3ed581f4 100644
--- a/sys/x86/include/specialreg.h
+++ b/sys/x86/include/specialreg.h
@@ -549,6 +549,9 @@
/*
* CPUID instruction 7 Structured Extended Features, leaf 1 eax info
*/
+#define CPUID_STDEXT4_SHA512 0x00000001
+#define CPUID_STDEXT4_SM3 0x00000002
+#define CPUID_STDEXT4_SM4 0x00000004
#define CPUID_STDEXT4_LASS 0x00000040
#define CPUID_STDEXT4_FRED 0x00020000
#define CPUID_STDEXT4_LKGS 0x00040000
diff --git a/sys/x86/x86/identcpu.c b/sys/x86/x86/identcpu.c
index 75144ccae8bc..3060b444cb0d 100644
--- a/sys/x86/x86/identcpu.c
+++ b/sys/x86/x86/identcpu.c
@@ -1052,6 +1052,9 @@ printcpuinfo(void)
printf("\n Structured Extended Features4=0x%b",
cpu_stdext_feature4,
"\020"
+ "\001SHA512"
+ "\002SM3"
+ "\003SM4"
"\007LASS"
"\022FRED"
"\023LKGS"