Struct os::trap::context::TrapContext

source · [−]

#[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

sstatus

sepc: usize

sepc

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)

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

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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pub 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

pub 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

pub 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

pub 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

pub 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

pub 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

pub fn try_into(self) -> Result<U, >::Error>

Performs the conversion.

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

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,

pub fn type_id(&self) -> TypeId

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

pub fn borrow(&self) -> &T

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

pub fn borrow_mut(&mut self) -> &mut T

impl<T> From<T> for T

pub fn from(t: T) -> T

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

pub fn into(self) -> U

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

type Error = Infallible

pub 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

pub fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

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

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,

pub fn type_id(&self) -> TypeId

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

pub fn borrow(&self) -> &T

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

pub fn borrow_mut(&mut self) -> &mut T

impl<T> From<T> for T

pub fn from(t: T) -> T

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

pub fn into(self) -> U

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

type Error = Infallible

pub 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

pub fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

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,

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>,