The x86 Control Register 4. More...

#include <Cr4.hh>

Public Member Functions
bool	vme () const
	Get the VME (Virtual 8086 Mode Extensions) bit.

bool	pvi () const
	Get the PVI (Protected-mode Virtual Interrupts) bit.

bool	tsd () const
	Get the TSD (Time Stamp Disable) bit.

bool	de () const
	Get the DE (Debugging Extensions) bit.

bool	pse () const
	Get the PSE (Page Size Extension) bit.

bool	pae () const
	Get the PAE (Physical Address Extension) bit.

bool	mce () const
	Get the MCE (Machine Check Exception) bit.

bool	pge () const
	Get the PGE (Page Global Enabled) bit.

bool	pce () const
	Get the PCE (Performance-Monitoring Counter enable) bit.

bool	osfxsr () const
	Get the OSFXSR (Operating system support for FXSAVE and FXRSTOR instructions) bit.

bool	osxmmexcpt () const
	Get the OSXMMEXCPT bit.

bool	umip () const
	Get the UMIP (User-Mode Instruction Prevention) bit.

bool	la57 () const
	Get the LA57 bit.

bool	vmxe () const
	Get the VMXE (Virtual Machine Extensions Enable) bit.

bool	smxe () const
	Get the SMXE (Safer Mode Extensions Enable) bit.

bool	fsgsbase () const
	Get the FSGSBASE bit.

bool	pcide () const
	Get the PCIDE (PCID Enable) bit.

bool	osxsave () const
	Get the OSXSAVE (XSAVE and Processor Extended States Enable) bit.

bool	smep () const
	Get the SMEP (Supervisor Mode Execution Protection Enable) bit.

bool	smap () const
	Get the SMAP (Supervisor Mode Access Prevention Enable) bit.

bool	pke () const
	Get the PKE (Protection Key Enable) bit.

uint64_t	value () const
	Get the raw value.

	Cr4 (uint64_t cr4)
	Construct a new Cr4 object.

Detailed Description

The x86 Control Register 4.

Constructor & Destructor Documentation

◆ Cr4()

introvirt::x86::Cr4::Cr4 ( uint64_t cr4 )

explicit

Construct a new Cr4 object.

Parameters

cr4	The raw cr4 value

Member Function Documentation

◆ de()

bool introvirt::x86::Cr4::de ( ) const

Get the DE (Debugging Extensions) bit.

Returns: true if the DE bit is set; false if the DE bit is not set

◆ fsgsbase()

bool introvirt::x86::Cr4::fsgsbase ( ) const

Get the FSGSBASE bit.

Returns: true if the FSGSBASE bit is set; false if the FSGSBASE bit is not set

◆ la57()

bool introvirt::x86::Cr4::la57 ( ) const

Get the LA57 bit.

Returns: true if the LA57 bit is set; false if the LA57 bit is not set

◆ mce()

bool introvirt::x86::Cr4::mce ( ) const

Get the MCE (Machine Check Exception) bit.

Returns: true if the MCE bit is set; false if the MCE bit is not set

◆ osfxsr()

bool introvirt::x86::Cr4::osfxsr ( ) const

Get the OSFXSR (Operating system support for FXSAVE and FXRSTOR instructions) bit.

Returns: true if the OSFXSR bit is set; false if the OSFXSR bit is not set

◆ osxmmexcpt()

bool introvirt::x86::Cr4::osxmmexcpt ( ) const

Get the OSXMMEXCPT bit.

Returns: true if the OSXMMEXCPT bit is set; false if the OSXMMEXCPT bit is not set

◆ osxsave()

bool introvirt::x86::Cr4::osxsave ( ) const

Get the OSXSAVE (XSAVE and Processor Extended States Enable) bit.

Returns: true if the OSXSAVE bit is set; false if the OSXSAVE bit is not set

◆ pae()

bool introvirt::x86::Cr4::pae ( ) const

Get the PAE (Physical Address Extension) bit.

Returns: true if the PAE bit is set; false if the PAE bit is not set

◆ pce()

bool introvirt::x86::Cr4::pce ( ) const

Get the PCE (Performance-Monitoring Counter enable) bit.

Returns: true if the PCE bit is set; false if the PCE bit is not set

◆ pcide()

bool introvirt::x86::Cr4::pcide ( ) const

Get the PCIDE (PCID Enable) bit.

Returns: true if the PCIDE bit is set; false if the PCIDE bit is not set

◆ pge()

bool introvirt::x86::Cr4::pge ( ) const

Get the PGE (Page Global Enabled) bit.

Returns: true if the PGE bit is set; false if the PGE bit is not set

◆ pke()

bool introvirt::x86::Cr4::pke ( ) const

Get the PKE (Protection Key Enable) bit.

Returns: true if the PKE bit is set; false if the PKE bit is not set

◆ pse()

bool introvirt::x86::Cr4::pse ( ) const

Get the PSE (Page Size Extension) bit.

Returns: true if the PSE bit is set; false if the PSE bit is not set

◆ pvi()

bool introvirt::x86::Cr4::pvi ( ) const

Get the PVI (Protected-mode Virtual Interrupts) bit.

Returns: true if the PVI bit is set; false if the PVI bit is not set

◆ smap()

bool introvirt::x86::Cr4::smap ( ) const

Get the SMAP (Supervisor Mode Access Prevention Enable) bit.

Returns: true if the SMAP bit is set; false if the SMAP bit is not set

◆ smep()

bool introvirt::x86::Cr4::smep ( ) const

Get the SMEP (Supervisor Mode Execution Protection Enable) bit.

Returns: true if the SMEP bit is set; false if the SMEP bit is not set

◆ smxe()

bool introvirt::x86::Cr4::smxe ( ) const

Get the SMXE (Safer Mode Extensions Enable) bit.

Returns: true if the SMXE bit is set; false if the SMXE bit is not set

◆ tsd()

bool introvirt::x86::Cr4::tsd ( ) const

Get the TSD (Time Stamp Disable) bit.

Returns: true if the TSD bit is set; false if the TSD bit is not set

◆ umip()

bool introvirt::x86::Cr4::umip ( ) const

Get the UMIP (User-Mode Instruction Prevention) bit.

Returns: true if the UMIP bit is set; false if the UMIP bit is not set

◆ value()

uint64_t introvirt::x86::Cr4::value ( ) const

Get the raw value.

Returns: The raw value of the register

◆ vme()

bool introvirt::x86::Cr4::vme ( ) const

Get the VME (Virtual 8086 Mode Extensions) bit.

Returns: true if the VME bit is set; false if the VME bit is not set

◆ vmxe()

bool introvirt::x86::Cr4::vmxe ( ) const

Get the VMXE (Virtual Machine Extensions Enable) bit.

Returns: true if the VMXE bit is set; false if the VMXE bit is not set

The documentation for this class was generated from the following file:

/home/runner/work/IntroVirt/IntroVirt/include/introvirt/core/arch/x86/Cr4.hh

Public Member Functions