Struct x86_64::structures::paging::Page

#[repr(C)]
pub struct Page<S: PageSize = Size4KiB> { /* fields omitted */ }

A virtual memory page.

Methods

impl<S: PageSize> Page<S>

pub fn from_start_address(address: VirtAddr) -> Result<Self, ()>

Returns the page that starts at the given virtual address.

Returns an error if the address is not correctly aligned (i.e. is not a valid page start).

pub fn containing_address(address: VirtAddr) -> Self

Returns the page that contains the given virtual address.

pub fn start_address(&self) -> VirtAddr

Returns the start address of the page.

pub const fn size(&self) -> u64

Returns the size the page (4KB, 2MB or 1GB).

pub fn p4_index(&self) -> u9

Returns the level 4 page table index of this page.

pub fn p3_index(&self) -> u9

Returns the level 3 page table index of this page.

Important traits for PageRange<S>

impl<S: PageSize> Iterator for PageRange<S> type Item = Page<S>;

pub fn range(start: Self, end: Self) -> PageRange<S>

Returns a range of pages, exclusive end.

Important traits for PageRangeInclusive<S>

impl<S: PageSize> Iterator for PageRangeInclusive<S> type Item = Page<S>;

pub fn range_inclusive(start: Self, end: Self) -> PageRangeInclusive<S>

Returns a range of pages, inclusive end.

impl<S: NotGiantPageSize> Page<S>

pub fn p2_index(&self) -> u9

Returns the level 2 page table index of this page.

impl Page<Size1GiB>

pub fn from_page_table_indices_1gib(p4_index: u9, p3_index: u9) -> Self

Returns the 1GiB memory page with the specified page table indices.

impl Page<Size2MiB>

pub fn from_page_table_indices_2mib(     p4_index: u9,     p3_index: u9,     p2_index: u9 ) -> Self

Returns the 2MiB memory page with the specified page table indices.

impl Page<Size4KiB>

pub fn from_page_table_indices(     p4_index: u9,     p3_index: u9,     p2_index: u9,     p1_index: u9 ) -> Self

Returns the 4KiB memory page with the specified page table indices.

pub fn p1_index(&self) -> u9

Returns the level 1 page table index of this page.

Trait Implementations

impl<S: Clone + PageSize> Clone for Page<S>

fn clone(&self) -> Page<S>

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl<S: Copy + PageSize> Copy for Page<S>

impl<S: PartialEq + PageSize> PartialEq for Page<S>

fn eq(&self, other: &Page<S>) -> bool

This method tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Page<S>) -> bool

This method tests for !=.

impl<S: Eq + PageSize> Eq for Page<S>

impl<S: PartialOrd + PageSize> PartialOrd for Page<S>

fn partial_cmp(&self, other: &Page<S>) -> Option<Ordering>

This method returns an ordering between self and other values if one exists.

fn lt(&self, other: &Page<S>) -> bool

This method tests less than (for self and other) and is used by the < operator.

fn le(&self, other: &Page<S>) -> bool

This method tests less than or equal to (for self and other) and is used by the <= operator.

fn gt(&self, other: &Page<S>) -> bool

This method tests greater than (for self and other) and is used by the > operator.

fn ge(&self, other: &Page<S>) -> bool

This method tests greater than or equal to (for self and other) and is used by the >= operator.

impl<S: Ord + PageSize> Ord for Page<S>

fn cmp(&self, other: &Page<S>) -> Ordering

This method returns an Ordering between self and other.

fn max(self, other: Self) -> Self

Compares and returns the maximum of two values.

fn min(self, other: Self) -> Self

Compares and returns the minimum of two values.

impl<S: PageSize> Debug for Page<S>

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

Formats the value using the given formatter.

impl<S: PageSize> Add<u64> for Page<S>

type Output = Self

The resulting type after applying the + operator.

fn add(self, rhs: u64) -> Self::Output

Performs the + operation.

impl<S: PageSize> AddAssign<u64> for Page<S>

fn add_assign(&mut self, rhs: u64)

Performs the += operation.

impl<S: PageSize> Sub<u64> for Page<S>

type Output = Self

The resulting type after applying the - operator.

fn sub(self, rhs: u64) -> Self::Output

Performs the - operation.

impl<S: PageSize> SubAssign<u64> for Page<S>

fn sub_assign(&mut self, rhs: u64)

Performs the -= operation.

impl<S: PageSize> Sub<Self> for Page<S>

type Output = u64

The resulting type after applying the - operator.

fn sub(self, rhs: Self) -> Self::Output

Performs the - operation.