Makes scheduler works at the end of the interruption

src/process.rs

@@ -3,7 +3,7 @@ use core::{arch::riscv64::wfi, time::Duration};
 use alloc::{format, string::String};
 
 use crate::{
-    scheduler::{scheduler, ACTIVE_PID, PROCESSUS_COUNT, PROCESS_TABLE},
+    scheduler::{ACTIVE_PID, PROCESSUS_COUNT, PROCESS_TABLE},
     time::elapsed_time_since_startup,
 };
 
@@ -26,8 +26,8 @@ pub struct ExecutionContext {
     pub tp: usize,
     pub a: [usize; 8],
     pub t: [usize; 7],
-    pub s: [usize; 11],
-    pub mepc: usize,
+    pub s: [usize; 12],
+    pub mepc: *const usize,
     pub mstatus: usize,
 }
 
@@ -73,7 +73,8 @@ pub fn create_processus<T: Into<String>>(code: extern "C" fn(), name: T) -> i64
         PROCESS_TABLE[next_pid].state = ProcessState::Activable;
         PROCESS_TABLE[next_pid].entry_point = Some(code);
         PROCESS_TABLE[next_pid].ctx.a[0] = code as usize;
-        PROCESS_TABLE[next_pid].ctx.ra = processus_launcher as *const _;
+        PROCESS_TABLE[next_pid].ctx.mepc = processus_launcher as *const _;
+        PROCESS_TABLE[next_pid].ctx.mstatus = 1 << 11;
         PROCESS_TABLE[next_pid].ctx.sp = &raw const PROCESS_TABLE[next_pid].stack[STACK_SIZE - 1];
     }