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Stage2: multiple user threads based on uniprocessor, see new added test race_adder and threads.

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This commit is contained in:
Yifan Wu 2021-10-02 16:18:05 -07:00
parent 4fa4e9cab4
commit a341b338c8
12 changed files with 254 additions and 57 deletions
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8
os/src/syscall/mod.rs
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@ -11,12 +11,17 @@ const SYSCALL_GETPID: usize = 172;
const SYSCALL_FORK: usize = 220;
const SYSCALL_EXEC: usize = 221;
const SYSCALL_WAITPID: usize = 260;
const SYSCALL_THREAD_CREATE: usize = 1000;
const SYSCALL_GETTID: usize = 1001;
const SYSCALL_WAITTID: usize = 1002;
mod fs;
mod process;
mod thread;
use fs::*;
use process::*;
use thread::*;
pub fn syscall(syscall_id: usize, args: [usize; 3]) -> isize {
match syscall_id {
@ -33,6 +38,9 @@ pub fn syscall(syscall_id: usize, args: [usize; 3]) -> isize {
SYSCALL_FORK => sys_fork(),
SYSCALL_EXEC => sys_exec(args[0] as *const u8, args[1] as *const usize),
SYSCALL_WAITPID => sys_waitpid(args[0] as isize, args[1] as *mut i32),
SYSCALL_THREAD_CREATE => sys_thread_create(args[0]),
SYSCALL_GETTID => sys_gettid(),
SYSCALL_WAITTID => sys_waittid(args[0]) as isize,
_ => panic!("Unsupported syscall_id: {}", syscall_id),
}
}