Struct os::mm::MemorySet

source · [−]

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

source

impl MemorySet

source

pub fn new_bare() -> Self

Create an empty MemorySet

source

pub fn token(&self) -> usize

Get pagetable root_ppn

source

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

Assume that no conflicts.

source

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

Remove MapArea that starts with start_vpn

source

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

source

fn map_trampoline(&mut self)

Mention that trampoline is not collected by areas.

source

pub fn new_kernel() -> Self

Without kernel stacks.

source

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.

source

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

Clone a same MemorySet

source

pub fn activate(&self)

Refresh TLB with sfence.vma

source

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

Translate throuth pagetable

source

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

source

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

source

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

source

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

const: unstable · source

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

source

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

source

impl<T> From<T> for T

const: unstable · source

fn from(t: T) -> T

Returns the argument unchanged.

source

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.

source

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.

source

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: &MemorySet) -> MemorySet

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: &MemorySet) -> MemorySet

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
)

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

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

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>,