add: ch3 finished

2024-07-25 22:45:05 +08:00
parent 265e7adedf
commit 0d8d1ba8e1
32 changed files with 546 additions and 274 deletions
--- a/os/src/trap/context.rs
+++ b/os/src/trap/context.rs
@@ -8,9 +8,11 @@ pub struct TrapContext {
 }

 impl TrapContext {
-    pub unsafe fn init_application_context(entry: usize, sp: usize) -> Self {
+    pub fn init_application_context(entry: usize, sp: usize) -> Self {
        let sstatus = sstatus::read();
-        sstatus::set_spp(SPP::User);
+        unsafe {
+            sstatus::set_spp(SPP::User);
+        }
        let mut context = Self {
            x: [0; 32],
            s_status: sstatus,