vm::VmCaps Struct Reference

Virtual memory subsystem capabilities. More...

#include <vm.h>

List of all members.

Public Member Functions
bool	IsValid ()
	Check if data members are valid.
Public Attributes
bool	valid:1
	The structure is initialized if true.
bool	pge:1
	Global-page support.
bool	pat:1
	Page-attribute table.
bool	pcid:1
	Process-context identifiers.
bool	smep:1
	Supervisor-mode execution prevention.
bool	nx:1
	Execute disable.
bool	oneGb:1
	1-GByte pages.
short	width_phys
	Physical address width.
short	width_lin
	Linear address width.

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Detailed Description

Virtual memory subsystem capabilities.

IsValid method should be called before accessing the structure data member.

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Member Function Documentation

bool vm::VmCaps::IsValid

(

)

[inline]

Check if data members are valid.

Returns:

true if data members are valid and can be accessed.

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Member Data Documentation

bool vm::VmCaps::nx

Execute disable.

bool vm::VmCaps::oneGb

1-GByte pages.

bool vm::VmCaps::pat

Page-attribute table.

bool vm::VmCaps::pcid

Process-context identifiers.

bool vm::VmCaps::pge

Global-page support.

bool vm::VmCaps::smep

Supervisor-mode execution prevention.

bool vm::VmCaps::valid

The structure is initialized if true.

short vm::VmCaps::width_lin

Linear address width.

short vm::VmCaps::width_phys

Physical address width.

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

• kernel/sys/vm.h