fix(prototyper): fixed the incorrect bit width of the time register

prototyper/src/clint.rs

@@ -69,7 +69,7 @@ impl<'a> ClintDevice<'a> {
 impl<'a> ClintDevice<'a> {
     #[inline]
     pub fn get_time(&self) -> usize {
-        unsafe { (*self.clint.load(Relaxed)).read_mtime() as u32 as usize }
+        unsafe { (*self.clint.load(Relaxed)).read_mtime() as usize }
     }
 
     #[inline]

prototyper/src/trap.rs

@@ -297,7 +297,7 @@ pub extern "C" fn fast_handler(
         // SBI call
         T::Exception(E::SupervisorEnvCall) => {
             use sbi_spec::{base, hsm, legacy};
-            let mut ret = unsafe { SBI.assume_init_mut() }.handle_ecall(
+            let mut ret = unsafe { SBI.assume_init_ref() }.handle_ecall(
                 a7,
                 a6,
                 [ctx.a0(), a1, a2, a3, a4, a5],