Struct TrapFrame 

#[repr(C)]
pub struct TrapFrame {
    pub regs: GeneralRegisters,
    pub prmd: usize,
    pub era: usize,
}

Saved registers when a trap (interrupt or exception) occurs.

Fields

regs: GeneralRegisters

All general registers.

prmd: usize

Pre-exception Mode Information

era: usize

Exception Return Address

Implementations

impl TrapFrame

pub const fn arg0(&self) -> usize

Gets the 0th syscall argument.

pub const fn arg1(&self) -> usize

Gets the 1st syscall argument.

pub const fn arg2(&self) -> usize

Gets the 2nd syscall argument.

pub const fn arg3(&self) -> usize

Gets the 3rd syscall argument.

pub const fn arg4(&self) -> usize

Gets the 4th syscall argument.

pub const fn arg5(&self) -> usize

Gets the 5th syscall argument.

Trait Implementations

impl Clone for TrapFrame

fn clone(&self) -> TrapFrame

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for TrapFrame

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

Formats the value using the given formatter.

impl Default for TrapFrame

fn default() -> TrapFrame

Returns the “default value” for a type.

impl Copy for TrapFrame