Struct axhal::arch::TrapFrame

#[repr(C)]
pub struct TrapFrame {

    pub rax: u64,
    pub rcx: u64,
    pub rdx: u64,
    pub rbx: u64,
    pub rbp: u64,
    pub rsi: u64,
    pub rdi: u64,
    pub r8: u64,
    pub r9: u64,
    pub r10: u64,
    pub r11: u64,
    pub r12: u64,
    pub r13: u64,
    pub r14: u64,
    pub r15: u64,
    pub vector: u64,
    pub error_code: u64,
    pub rip: u64,
    pub cs: u64,
    pub rflags: u64,
    pub rsp: u64,
    pub ss: u64,
}

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

Fields

rax: u64

rcx: u64

rdx: u64

rbx: u64

rbp: u64

rsi: u64

rdi: u64

r8: u64

r9: u64

r10: u64

r11: u64

r12: u64

r13: u64

r14: u64

r15: u64

vector: u64

error_code: u64

rip: u64

cs: u64

rflags: u64

rsp: u64

ss: u64

Implementations

impl TrapFrame

pub const fn is_user(&self) -> bool

Whether the trap is from userspace.

pub fn set_user_sp(&mut self, user_sp: usize)

To set the stack pointer

pub fn app_init_context(app_entry: usize, user_sp: usize) -> Self

用于第一次进入应用程序时的初始化

pub fn set_ret_code(&mut self, ret_value: usize)

set the return code

pub fn set_tls(&mut self, _tls_value: usize)

设置TLS

pub fn get_sp(&self) -> usize

获取 sp

pub fn set_pc(&mut self, pc: usize)

设置 pc

pub fn set_arg0(&mut self, arg: usize)

设置 arg0

pub fn set_arg1(&mut self, arg: usize)

设置 arg1

pub fn set_arg2(&mut self, arg: usize)

设置 arg2

pub fn get_pc(&self) -> usize

获取 pc

pub fn get_ret_code(&self) -> usize

获取 ret

pub fn set_ra(&mut self, _ra: usize)

设置返回地址

pub fn get_syscall_args(&self) -> [usize; 6]

获取所有 syscall 参数

pub fn get_syscall_num(&self) -> usize

获取 syscall id

Trait Implementations

impl Clone for TrapFrame

fn clone(&self) -> TrapFrame

Returns a copy 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