Author: kib Date: Sun Aug 23 20:08:05 2020 New Revision: 364522 URL: https://svnweb.freebsd.org/changeset/base/364522
Log: Add definition for CR4.LA57 bit. Tested by: pho Sponsored by: The FreeBSD Foundation Differential revision: https://reviews.freebsd.org/D25273 Modified: head/sys/x86/include/specialreg.h Modified: head/sys/x86/include/specialreg.h ============================================================================== --- head/sys/x86/include/specialreg.h Sun Aug 23 20:06:55 2020 (r364521) +++ head/sys/x86/include/specialreg.h Sun Aug 23 20:08:05 2020 (r364522) @@ -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 */ _______________________________________________ [email protected] mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-head To unsubscribe, send any mail to "[email protected]"
