feat: cache testcases

Author: yfblock

kernel/src/main.rs

@@ -207,12 +207,12 @@ fn main(hart_id: usize) {
     IRQ::int_enable();
 
     // cache task with task templates
-    // tasks::exec::cache_task_template("./busybox").expect("can't cache task");
-    // tasks::exec::cache_task_template("./runtest.exe").expect("can't cache task");
-    // tasks::exec::cache_task_template("entry-static.exe").expect("can't cache task");
-    // tasks::exec::cache_task_template("libc.so").expect("can't cache task");
-    // tasks::exec::cache_task_template("./lua").expect("can't cache task");
-    // tasks::exec::cache_task_template("lmbench_all").expect("can't cache task");
+    tasks::exec::cache_task_template("/busybox").expect("can't cache task");
+    tasks::exec::cache_task_template("/runtest.exe").expect("can't cache task");
+    tasks::exec::cache_task_template("/entry-static.exe").expect("can't cache task");
+    tasks::exec::cache_task_template("/libc.so").expect("can't cache task");
+    tasks::exec::cache_task_template("/lua").expect("can't cache task");
+    // tasks::exec::cache_task_template("/lmbench_all").expect("can't cache task");
 
     // init kernel threads and async executor
     tasks::init();

kernel/src/tasks/exec.rs

@@ -141,6 +141,15 @@ pub async fn exec_with_process(
         Some(dir) => format!("{}/{}", dir.path(), path),
         None => path,
     };
+    let mut paths = Vec::new();
+    path.split("/")
+        .into_iter()
+        .filter(|&x| x != "" && x != ".")
+        .for_each(|x| {
+            paths.push(x);
+        });
+    let path = String::from("/") + &paths.join("/");
+
     let user_task = task.clone();
     user_task.pcb.lock().memset.clear();
     user_task.page_table.restore();

kernel/src/tasks/task.rs

@@ -223,11 +223,6 @@ impl UserTask {
         Some(ppn)
     }
 
-    // pub fn get_cx_ptr(&self) -> *mut Context {
-    //     // (&mut self.tcb.read().cx) as *mut Context
-    //     unsafe { &mut self.tcb.as_mut_ptr().as_mut().unwrap().cx as _ }
-    // }
-
     pub fn force_cx_ref(&self) -> &'static mut TrapFrame {
         unsafe { &mut self.tcb.as_mut_ptr().as_mut().unwrap().cx }
     }