Struct x86_64::registers::control::Cr4

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pub struct Cr4;

Expand description

Contains various control flags that enable architectural extensions, and indicate support for specific processor capabilities.

Implementations

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impl Cr4

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pub fn read() -> Cr4Flags

Read the current set of CR4 flags.

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pub fn read_raw() -> u64

Read the current raw CR4 value.

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pub unsafe fn write(flags: Cr4Flags)

Write CR4 flags.

Preserves the value of reserved fields.

Safety

This function is unsafe because it’s possible to violate memory safety through it, e.g. by overwriting the physical address extension flag.

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pub unsafe fn write_raw(value: u64)

Write raw CR4 flags.

Does not preserve any values, including reserved fields.

Safety

This function is unsafe because it’s possible to violate memory safety through it, e.g. by overwriting the physical address extension flag.

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pub unsafe fn update<F>(f: F) where
F: FnOnce(&mut Cr4Flags),

Updates CR4 flags.

Preserves the value of reserved fields.

Safety

This function is unsafe because it’s possible to violate memory safety through it, e.g. by overwriting the physical address extension flag.

Trait Implementations

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impl Debug for Cr4

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more

Auto Trait Implementations

impl RefUnwindSafe for Cr4

impl Send for Cr4

impl Sync for Cr4

impl Unpin for Cr4

impl UnwindSafe for Cr4

Blanket Implementations

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impl<T> Any for T where
T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

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impl<T> Borrow<T> for T where
T: ?Sized,

const: unstable · source

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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impl<T> BorrowMut<T> for T where
T: ?Sized,

const: unstable · source

fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more

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impl<T> From<T> for T

const: unstable · source

fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into for T where
U: From<T>,

const: unstable · source

fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T, U> TryFrom for T where
U: Into<T>,

type Error = Infallible

The type returned in the event of a conversion error.

const: unstable · source

fn try_from(value: U) -> Result<T, <T as TryFrom>::Error>

Performs the conversion.

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impl<T, U> TryInto for T where
U: TryFrom<T>,

type Error = >::Error

The type returned in the event of a conversion error.

const: unstable · source

fn try_into(self) -> Result<U, >::Error>

Performs the conversion.

Struct x86_64::registers::control::Cr4

Implementations

impl Cr4

pub fn read() -> Cr4Flags

pub fn read_raw() -> u64

pub unsafe fn write(flags: Cr4Flags)

Safety

pub unsafe fn write_raw(value: u64)

Safety

pub unsafe fn update<F>(f: F) where
F: FnOnce(&mut Cr4Flags),

Safety

Trait Implementations

impl Debug for Cr4

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Auto Trait Implementations

impl RefUnwindSafe for Cr4

impl Send for Cr4

impl Sync for Cr4

impl Unpin for Cr4

impl UnwindSafe for Cr4

Blanket Implementations

impl<T> Any for T where
T: 'static + ?Sized,

fn type_id(&self) -> TypeId

impl<T> Borrow<T> for T where
T: ?Sized,

fn borrow(&self) -> &T

impl<T> BorrowMut<T> for T where
T: ?Sized,

fn borrow_mut(&mut self) -> &mut T

impl<T> From<T> for T

fn from(t: T) -> T

impl<T, U> Into<U> for T where
U: From<T>,

fn into(self) -> U

impl<T, U> TryFrom<U> for T where
U: Into<T>,

type Error = Infallible

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

impl<T, U> TryInto<U> for T where
U: TryFrom<T>,

type Error = <U as TryFrom<T>>::Error

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Struct x86_64::registers::control::Cr4

Implementations

impl Cr4

pub fn read() -> Cr4Flags

pub fn read_raw() -> u64

pub unsafe fn write(flags: Cr4Flags)

pub unsafe fn write_raw(value: u64)

pub unsafe fn update<F>(f: F) where F: FnOnce(&mut Cr4Flags),

Trait Implementations

impl Debug for Cr4

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Auto Trait Implementations

impl RefUnwindSafe for Cr4

impl Send for Cr4

impl Sync for Cr4

impl Unpin for Cr4

impl UnwindSafe for Cr4

Blanket Implementations

impl<T> Any for T where T: 'static + ?Sized,

fn type_id(&self) -> TypeId

impl<T> Borrow<T> for T where T: ?Sized,

fn borrow(&self) -> &T

impl<T> BorrowMut<T> for T where T: ?Sized,

fn borrow_mut(&mut self) -> &mut T

impl<T> From<T> for T

fn from(t: T) -> T

impl<T, U> Into<U> for T where U: From<T>,

fn into(self) -> U

impl<T, U> TryFrom<U> for T where U: Into<T>,

type Error = Infallible

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

impl<T, U> TryInto<U> for T where U: TryFrom<T>,

type Error = <U as TryFrom<T>>::Error

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

pub unsafe fn update<F>(f: F) where
F: FnOnce(&mut Cr4Flags),

impl<T> Any for T where
T: 'static + ?Sized,

impl<T> Borrow<T> for T where
T: ?Sized,

impl<T> BorrowMut<T> for T where
T: ?Sized,

impl<T, U> Into<U> for T where
U: From<T>,

impl<T, U> TryFrom<U> for T where
U: Into<T>,

impl<T, U> TryInto<U> for T where
U: TryFrom<T>,