git: 9f718b57b846 - main - x86 specialreg: add bit masks definitions for LASS and LAM features

The branch main has been updated by kib:

URL: https://cgit.FreeBSD.org/src/commit/?id=9f718b57b846b8e1fa562584747fdae42ffed8f4

commit 9f718b57b846b8e1fa562584747fdae42ffed8f4
Author:     Konstantin Belousov <kib@FreeBSD.org>
AuthorDate: 2024-10-23 23:40:01 +0000
Commit:     Konstantin Belousov <kib@FreeBSD.org>
CommitDate: 2024-10-24 02:41:11 +0000

    x86 specialreg: add bit masks definitions for LASS and LAM features
    
    in CPUID Structured Extended Features %eax 0x7 leaf 1 %eax, from
    Intel SDM vol. 2 rev. 085.
    
    Sponsored by:   The FreeBSD Foundation
    MFC after:      1 week
---
 sys/x86/include/specialreg.h | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/sys/x86/include/specialreg.h b/sys/x86/include/specialreg.h
index ab172ec54ff6..51c513b6a5ab 100644
--- a/sys/x86/include/specialreg.h
+++ b/sys/x86/include/specialreg.h
@@ -534,6 +534,12 @@
 #define	CPUID_STDEXT3_CORE_CAP		0x40000000
 #define	CPUID_STDEXT3_SSBD		0x80000000
 
+/*
+ * CPUID instruction 7 Structured Extended Features, leaf 1 eax info
+ */
+#define	CPUID_STDEXT4_LASS		0x00000040
+#define	CPUID_STDEXT4_LAM		0x04000000
+
 /* CPUID_HYBRID_ID leaf 0x1a */
 #define	CPUID_HYBRID_CORE_MASK	0xff000000
 #define	CPUID_HYBRID_SMALL_CORE	0x20000000