feat: simple drawing board GUI

user/src/bin/gui.rs

@@ -1,19 +0,0 @@
-#![no_std]
-#![no_main]
-
-use user_lib::create_desktop;
-
-#[macro_use]
-extern crate user_lib;
-
-
-
-#[no_mangle]
-pub fn main() -> i32 {
-    println!("gui");
-    create_desktop();
-    println!("exit pass.");
-    loop{}
-    0
-}
-

user/src/bin/huge_write_mt.rs

@@ -5,7 +5,7 @@
 extern crate user_lib;
 extern crate alloc;
 
-use alloc::{fmt::format, string::String, vec::Vec};
+use alloc::{fmt::format, vec::Vec};
 use user_lib::{close, get_time, gettid, open, write, OpenFlags};
 use user_lib::{exit, thread_create, waittid};
 

user/src/bin/peterson.rs

@@ -1,7 +1,6 @@
 #![no_std]
 #![no_main]
 #![feature(core_intrinsics)]
-#![feature(asm)]
 
 #[macro_use]
 extern crate user_lib;

user/src/lib.rs

@@ -198,9 +198,7 @@ pub fn condvar_signal(condvar_id: usize) {
 pub fn condvar_wait(condvar_id: usize, mutex_id: usize) {
     sys_condvar_wait(condvar_id, mutex_id);
 }
-pub fn create_desktop() {
-    sys_create_desktop();
-}
+
 #[macro_export]
 macro_rules! vstore {
     ($var_ref: expr, $value: expr) => {

user/src/syscall.rs

@@ -154,6 +154,3 @@ pub fn sys_condvar_signal(condvar_id: usize) -> isize {
 pub fn sys_condvar_wait(condvar_id: usize, mutex_id: usize) -> isize {
     syscall(SYSCALL_CONDVAR_WAIT, [condvar_id, mutex_id, 0])
 }
-pub fn sys_create_desktop() -> isize {
-    syscall(2000, [0, 0, 0])
-}