Struct os::trap::context::TrapContext

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#[repr(C)]pub struct TrapContext {
    pub x: [usize; 32],
    pub sstatus: Sstatus,
    pub sepc: usize,
    pub kernel_satp: usize,
    pub kernel_sp: usize,
    pub trap_handler: usize,
}

Expand description

trap context structure containing sstatus, sepc and registers

Fields

x: [usize; 32]

General-Purpose Register x0-31

sstatus: Sstatus

Supervisor Status Register

sepc: usize

Supervisor Exception Program Counter

kernel_satp: usize

Token of kernel address space

kernel_sp: usize

Kernel stack pointer of the current application

trap_handler: usize

Virtual address of trap handler entry point in kernel

Implementations

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impl TrapContext

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pub fn set_sp(&mut self, sp: usize)

put the sp(stack pointer) into x[2] field of TrapContext

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pub fn app_init_context(
    entry: usize,
    sp: usize,
    kernel_satp: usize,
    kernel_sp: usize,
    trap_handler: usize
) -> Self

init the trap context of an application

Trait Implementations

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impl Clone for TrapContext

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fn clone(&self) -> TrapContext

Returns a copy of the value. Read more

1.0.0 · source

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

Performs copy-assignment from source. Read more

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impl Debug for TrapContext

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

Formats the value using the given formatter. Read more

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impl Copy for TrapContext

Auto Trait Implementations

impl RefUnwindSafe for TrapContext

impl Send for TrapContext

impl Sync for TrapContext

impl Unpin for TrapContext

impl UnwindSafe for TrapContext

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> Az for T

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fn az<Dst>(self) -> Dst where
T: Cast<Dst>,

Casts the value.

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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<Src, Dst> CastFrom<Src> for Dst where
Src: Cast<Dst>,

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fn cast_from(src: Src) -> Dst

Casts the value.

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impl<T> CheckedAs for T

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fn checked_as<Dst>(self) -> Option<Dst> where
T: CheckedCast<Dst>,

Casts the value.

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impl<Src, Dst> CheckedCastFrom<Src> for Dst where
Src: CheckedCast<Dst>,

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fn checked_cast_from(src: Src) -> Option<Dst>

Casts the value.

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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> OverflowingAs for T

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fn overflowing_as<Dst>(self) -> (Dst, bool) where
T: OverflowingCast<Dst>,

Casts the value.

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impl<Src, Dst> OverflowingCastFrom<Src> for Dst where
Src: OverflowingCast<Dst>,

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fn overflowing_cast_from(src: Src) -> (Dst, bool)

Casts the value.

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impl<T> SaturatingAs for T

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fn saturating_as<Dst>(self) -> Dst where
T: SaturatingCast<Dst>,

Casts the value.

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impl<Src, Dst> SaturatingCastFrom<Src> for Dst where
Src: SaturatingCast<Dst>,

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fn saturating_cast_from(src: Src) -> Dst

Casts the value.

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impl<T> ToOwned for T where
T: Clone,

type Owned = T

The resulting type after obtaining ownership.

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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more

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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more

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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.

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impl<T> UnwrappedAs for T

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fn unwrapped_as<Dst>(self) -> Dst where
T: UnwrappedCast<Dst>,

Casts the value.

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impl<Src, Dst> UnwrappedCastFrom<Src> for Dst where
Src: UnwrappedCast<Dst>,

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fn unwrapped_cast_from(src: Src) -> Dst

Casts the value.

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impl<T> WrappingAs for T

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fn wrapping_as<Dst>(self) -> Dst where
T: WrappingCast<Dst>,

Casts the value.

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impl<Src, Dst> WrappingCastFrom<Src> for Dst where
Src: WrappingCast<Dst>,

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fn wrapping_cast_from(src: Src) -> Dst

Casts the value.

Struct os::trap::context::TrapContext

Fields

Implementations

impl TrapContext

pub fn set_sp(&mut self, sp: usize)

pub fn app_init_context( entry: usize, sp: usize, kernel_satp: usize, kernel_sp: usize, trap_handler: usize) -> Self

Trait Implementations

impl Clone for TrapContext

fn clone(&self) -> TrapContext

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

impl Debug for TrapContext

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

impl Copy for TrapContext

Auto Trait Implementations

impl RefUnwindSafe for TrapContext

impl Send for TrapContext

impl Sync for TrapContext

impl Unpin for TrapContext

impl UnwindSafe for TrapContext

Blanket Implementations

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

fn type_id(&self) -> TypeId

impl<T> Az for T

fn az<Dst>(self) -> Dst where T: Cast<Dst>,

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<Src, Dst> CastFrom<Src> for Dst where Src: Cast<Dst>,

fn cast_from(src: Src) -> Dst

impl<T> CheckedAs for T

fn checked_as<Dst>(self) -> Option<Dst> where T: CheckedCast<Dst>,

impl<Src, Dst> CheckedCastFrom<Src> for Dst where Src: CheckedCast<Dst>,

fn checked_cast_from(src: Src) -> Option<Dst>

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> OverflowingAs for T

fn overflowing_as<Dst>(self) -> (Dst, bool) where T: OverflowingCast<Dst>,

impl<Src, Dst> OverflowingCastFrom<Src> for Dst where Src: OverflowingCast<Dst>,

fn overflowing_cast_from(src: Src) -> (Dst, bool)

impl<T> SaturatingAs for T

fn saturating_as<Dst>(self) -> Dst where T: SaturatingCast<Dst>,

impl<Src, Dst> SaturatingCastFrom<Src> for Dst where Src: SaturatingCast<Dst>,

fn saturating_cast_from(src: Src) -> Dst

impl<T> ToOwned for T where T: Clone,

type Owned = T

fn to_owned(&self) -> T

fn clone_into(&self, target: &mut T)

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>

impl<T> UnwrappedAs for T

fn unwrapped_as<Dst>(self) -> Dst where T: UnwrappedCast<Dst>,

impl<Src, Dst> UnwrappedCastFrom<Src> for Dst where Src: UnwrappedCast<Dst>,

fn unwrapped_cast_from(src: Src) -> Dst

impl<T> WrappingAs for T

fn wrapping_as<Dst>(self) -> Dst where T: WrappingCast<Dst>,

impl<Src, Dst> WrappingCastFrom<Src> for Dst where Src: WrappingCast<Dst>,

fn wrapping_cast_from(src: Src) -> Dst

pub fn app_init_context(
entry: usize,
sp: usize,
kernel_satp: usize,
kernel_sp: usize,
trap_handler: usize
) -> Self

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

fn az<Dst>(self) -> Dst where
T: Cast<Dst>,

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

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

impl<Src, Dst> CastFrom<Src> for Dst where
Src: Cast<Dst>,

fn checked_as<Dst>(self) -> Option<Dst> where
T: CheckedCast<Dst>,

impl<Src, Dst> CheckedCastFrom<Src> for Dst where
Src: CheckedCast<Dst>,

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

fn overflowing_as<Dst>(self) -> (Dst, bool) where
T: OverflowingCast<Dst>,

impl<Src, Dst> OverflowingCastFrom<Src> for Dst where
Src: OverflowingCast<Dst>,

fn saturating_as<Dst>(self) -> Dst where
T: SaturatingCast<Dst>,

impl<Src, Dst> SaturatingCastFrom<Src> for Dst where
Src: SaturatingCast<Dst>,

impl<T> ToOwned for T where
T: Clone,

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

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

fn unwrapped_as<Dst>(self) -> Dst where
T: UnwrappedCast<Dst>,

impl<Src, Dst> UnwrappedCastFrom<Src> for Dst where
Src: UnwrappedCast<Dst>,

fn wrapping_as<Dst>(self) -> Dst where
T: WrappingCast<Dst>,

impl<Src, Dst> WrappingCastFrom<Src> for Dst where
Src: WrappingCast<Dst>,