psx: Updates to panic info for 1.81.0 (~Jun 2024)

README.md

@@ -5,7 +5,7 @@
 </p>
 
 This is a basic SDK to run custom Rust code on a PlayStation 1. It works with
-Rust nightly version equal to or later than `2022-11-04`. Use
+Rust nightly version equal to or later than `2024-08-23`. Use
 [`rustup`](https://www.rust-lang.org/) to install the rust toolchain as follows.
 
 ```

psx/src/lib.rs

@@ -40,8 +40,6 @@
 )]
 // Used to implement `ImplsAsCStr` trait
 #![feature(min_specialization)]
-// For the panic handler
-#![feature(panic_info_message)]
 // For global_asm! on MIPS
 #![feature(asm_experimental_arch)]
 // For `__start`'s return type

psx/src/panic.rs

@@ -44,9 +44,7 @@ fn min_panic(info: &core::panic::PanicInfo) {
             println!("Panicked at unknown location")
         },
     }
-    if let Some(msg) = info.message() {
-        println!("{}", msg)
-    }
+    println!("{}", info.message());
 }
 
 fn normal_panic(info: &core::panic::PanicInfo) {
@@ -70,9 +68,7 @@ fn normal_panic(info: &core::panic::PanicInfo) {
                 dprintln!(txt, "Panicked at unknown location");
             },
         }
-        if let Some(msg) = info.message() {
-            dprintln!(txt, "{}", msg);
-        }
+        dprintln!(txt, "{}", info.message());
         fb.draw_sync();
         fb.wait_vblank();
         fb.swap();