Struct os::mm::MemorySet

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pub struct MemorySet {
    page_table: PageTable,
    areas: Vec<MapArea>,
}

Expand description

memory set structure, controls virtual-memory space

Fields

page_table: PageTableareas: Vec<MapArea>

Implementations

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impl MemorySet

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pub fn new_bare() -> Self

Create an empty MemorySet

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pub fn token(&self) -> usize

Get pagetable root_ppn

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pub fn insert_framed_area(
    &mut self,
    start_va: VirtAddr,
    end_va: VirtAddr,
    permission: MapPermission
)

Assume that no conflicts.

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pub fn remove_area_with_start_vpn(&mut self, start_vpn: VirtPageNum)

Remove MapArea that starts with start_vpn

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fn push(&mut self, map_area: MapArea, data: Option<&[u8]>)

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fn map_trampoline(&mut self)

Mention that trampoline is not collected by areas.

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pub fn new_kernel() -> Self

Without kernel stacks.

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pub fn from_elf(elf_data: &[u8]) -> (Self, usize, usize)

Include sections in elf and trampoline and TrapContext and user stack, also returns user_sp and entry point.

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pub fn from_existed_user(user_space: &Self) -> Self

Clone a same MemorySet

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pub fn activate(&self)

Refresh TLB with sfence.vma

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pub fn translate(&self, vpn: VirtPageNum) -> Option<PageTableEntry>

Translate throuth pagetable

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pub fn recycle_data_pages(&mut self)

Remove all MapArea

Auto Trait Implementations

impl RefUnwindSafe for MemorySet

impl Send for MemorySet

impl Sync for MemorySet

impl Unpin for MemorySet

impl UnwindSafe for MemorySet

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::MemorySet

Fields

Implementations

impl MemorySet

pub fn new_bare() -> Self

pub fn token(&self) -> usize

pub fn insert_framed_area(
    &mut self,
    start_va: VirtAddr,
    end_va: VirtAddr,
    permission: MapPermission
)

pub fn remove_area_with_start_vpn(&mut self, start_vpn: VirtPageNum)

fn push(&mut self, map_area: MapArea, data: Option<&[u8]>)

fn map_trampoline(&mut self)

pub fn new_kernel() -> Self

pub fn from_elf(elf_data: &[u8]) -> (Self, usize, usize)

pub fn from_existed_user(user_space: &Self) -> Self

pub fn activate(&self)

pub fn translate(&self, vpn: VirtPageNum) -> Option<PageTableEntry>

pub fn recycle_data_pages(&mut self)

Auto Trait Implementations

impl RefUnwindSafe for MemorySet

impl Send for MemorySet

impl Sync for MemorySet

impl Unpin for MemorySet

impl UnwindSafe for MemorySet

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::MemorySet

Fields

Implementations

impl MemorySet

pub fn new_bare() -> Self

pub fn token(&self) -> usize

pub fn insert_framed_area( &mut self, start_va: VirtAddr, end_va: VirtAddr, permission: MapPermission)

pub fn remove_area_with_start_vpn(&mut self, start_vpn: VirtPageNum)

fn push(&mut self, map_area: MapArea, data: Option<&[u8]>)

fn map_trampoline(&mut self)

pub fn new_kernel() -> Self

pub fn from_elf(elf_data: &[u8]) -> (Self, usize, usize)

pub fn from_existed_user(user_space: &Self) -> Self

pub fn activate(&self)

pub fn translate(&self, vpn: VirtPageNum) -> Option<PageTableEntry>

pub fn recycle_data_pages(&mut self)

Auto Trait Implementations

impl RefUnwindSafe for MemorySet

impl Send for MemorySet

impl Sync for MemorySet

impl Unpin for MemorySet

impl UnwindSafe for MemorySet

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 insert_framed_area(
&mut self,
start_va: VirtAddr,
end_va: VirtAddr,
permission: MapPermission
)

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>,