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x86 specialreg: add bit masks definitions for LASS and LAM features

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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
This commit is contained in:
Konstantin Belousov 2024-10-24 02:40:01 +03:00
parent 6308db659f
commit 9f718b57b8
1 changed files with 6 additions and 0 deletions
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6
sys/x86/include/specialreg.h
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@ -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