Struct os::mm::memory_set::MapArea

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pub struct MapArea {
    vpn_range: SimpleRange<VirtPageNum>,
    data_frames: BTreeMap<VirtPageNum, FrameTracker>,
    map_type: MapType,
    map_perm: MapPermission,
}

Expand description

map area structure, controls a contiguous piece of virtual memory

Fields

vpn_range: SimpleRange<VirtPageNum>data_frames: BTreeMap<VirtPageNum, FrameTracker>map_type: MapTypemap_perm: MapPermission

Implementations

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impl MapArea

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pub fn new(
    start_va: VirtAddr,
    end_va: VirtAddr,
    map_type: MapType,
    map_perm: MapPermission
) -> Self

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pub fn copy_data(&mut self, page_table: &mut PageTable, data: &[u8])

data: start-aligned but maybe with shorter length assume that all frames were cleared before

Auto Trait Implementations

impl RefUnwindSafe for MapArea

impl Send for MapArea

impl Sync for MapArea

impl Unpin for MapArea

impl UnwindSafe for MapArea

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 os::mm::memory_set::MapArea

Fields

Implementations

impl MapArea

pub fn new(
    start_va: VirtAddr,
    end_va: VirtAddr,
    map_type: MapType,
    map_perm: MapPermission
) -> Self

pub fn from_another(another: &Self) -> Self

pub fn map_one(&mut self, page_table: &mut PageTable, vpn: VirtPageNum)

pub fn unmap_one(&mut self, page_table: &mut PageTable, vpn: VirtPageNum)

pub fn map(&mut self, page_table: &mut PageTable)

pub fn unmap(&mut self, page_table: &mut PageTable)

pub fn shrink_to(&mut self, page_table: &mut PageTable, new_end: VirtPageNum)

pub fn append_to(&mut self, page_table: &mut PageTable, new_end: VirtPageNum)

pub fn copy_data(&mut self, page_table: &mut PageTable, data: &[u8])

Auto Trait Implementations

impl RefUnwindSafe for MapArea

impl Send for MapArea

impl Sync for MapArea

impl Unpin for MapArea

impl UnwindSafe for MapArea

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 os::mm::memory_set::MapArea

Fields

Implementations

impl MapArea

pub fn new( start_va: VirtAddr, end_va: VirtAddr, map_type: MapType, map_perm: MapPermission) -> Self

pub fn from_another(another: &Self) -> Self

pub fn map_one(&mut self, page_table: &mut PageTable, vpn: VirtPageNum)

pub fn unmap_one(&mut self, page_table: &mut PageTable, vpn: VirtPageNum)

pub fn map(&mut self, page_table: &mut PageTable)

pub fn unmap(&mut self, page_table: &mut PageTable)

pub fn shrink_to(&mut self, page_table: &mut PageTable, new_end: VirtPageNum)

pub fn append_to(&mut self, page_table: &mut PageTable, new_end: VirtPageNum)

pub fn copy_data(&mut self, page_table: &mut PageTable, data: &[u8])

Auto Trait Implementations

impl RefUnwindSafe for MapArea

impl Send for MapArea

impl Sync for MapArea

impl Unpin for MapArea

impl UnwindSafe for MapArea

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 fn new(
start_va: VirtAddr,
end_va: VirtAddr,
map_type: MapType,
map_perm: MapPermission
) -> Self

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>,