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- CR4_VMXE: VMX operations, used for hardware virtualization. - CR4_SMXE: SMX operations, used for safer Mode Extensions (ground for Intel's TXT - Trusted Execution Technology - platform). - CR4_FSGSBASE: enable *FSBASE and *GSBASE instructions, for R/W access to FS/GS segment base addresses. - CR4_PCIDE: enable Process Context IDentifiers (other architectures may call these "address space identifiers"). - CR4_OSXSAVE: enable xsave and xrestore instructions - CR4_SMEP: Supervisor Mode Execution Prevention. Allows enforcing --x rights from cpl 0. From Intel® 64 and IA-32 Architectures Software Developer’s Manual, March 2012. Align declarations. CPUID_* bits for these features follow. |
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bin | ||
common | ||
compat | ||
crypto | ||
dist | ||
distrib | ||
doc | ||
etc | ||
external | ||
extsrc | ||
games | ||
gnu | ||
include | ||
lib | ||
libexec | ||
regress | ||
rescue | ||
sbin | ||
share | ||
sys | ||
tests | ||
tools | ||
usr.bin | ||
usr.sbin | ||
x11 | ||
build.sh | ||
BUILDING | ||
Makefile | ||
Makefile.inc | ||
UPDATING |