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Add definition for CR4.LA57 bit.

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Tested by:	pho
Sponsored by:	The FreeBSD Foundation
Differential revision:	https://reviews.freebsd.org/D25273
This commit is contained in:
Konstantin Belousov 2020-08-23 20:08:05 +00:00
parent 0cad2aa2dd
commit 4ba405dcdb
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=364522
1 changed files with 1 additions and 0 deletions
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sys/x86/include/specialreg.h
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@ -72,6 +72,7 @@
#define CR4_FXSR 0x00000200 /* Fast FPU save/restore used by OS */
#define CR4_XMM 0x00000400 /* enable SIMD/MMX2 to use except 16 */
#define CR4_UMIP 0x00000800 /* User Mode Instruction Prevention */
#define CR4_LA57 0x00001000 /* Enable 5-level paging */
#define CR4_VMXE 0x00002000 /* enable VMX operation (Intel-specific) */
#define CR4_FSGSBASE 0x00010000 /* Enable FS/GS BASE accessing instructions */
#define CR4_PCIDE 0x00020000 /* Enable Context ID */