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Extract OS-specific part from UserContextApi

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YanWQ-monad
2024-05-20 03:14:13 +08:00
committed by Tate, Hongliang Tian
parent 657d6719c7
commit a5707b4ddc
16 changed files with 128 additions and 74 deletions
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16
kernel/aster-nix/src/syscall/mod.rs
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@ -5,7 +5,7 @@
use aster_frame::cpu::UserContext;
pub use clock_gettime::ClockID;
use crate::prelude::*;
use crate::{cpu::LinuxAbi, prelude::*};
mod accept;
mod access;
@ -204,14 +204,8 @@ pub enum SyscallReturn {
impl SyscallArgument {
fn new_from_context(context: &UserContext) -> Self {
let syscall_number = context.rax() as u64;
let mut args = [0u64; 6];
args[0] = context.rdi() as u64;
args[1] = context.rsi() as u64;
args[2] = context.rdx() as u64;
args[3] = context.r10() as u64;
args[4] = context.r8() as u64;
args[5] = context.r9() as u64;
let syscall_number = context.syscall_num() as u64;
let args = context.syscall_args().map(|x| x as u64);
Self {
syscall_number,
args,
@ -227,13 +221,13 @@ pub fn handle_syscall(context: &mut UserContext) {
match syscall_return {
Ok(return_value) => {
if let SyscallReturn::Return(return_value) = return_value {
context.set_rax(return_value as usize);
context.set_syscall_ret(return_value as usize);
}
}
Err(err) => {
debug!("syscall return error: {:?}", err);
let errno = err.error() as i32;
context.set_rax((-errno) as usize)
context.set_syscall_ret((-errno) as usize)
}
}
}