Custom std can now create threads and panic

1 files changed, 24 insertions, 3 deletions

diff --git a/src/lib.rs b/src/lib.rs
index f52e22b..b9cd4db 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -3,12 +3,32 @@
 use core::ptr::null_mut;
 use libctru::raw::{
     aptMainLoop, c_char, c_int, consoleInit, gfxExit, gfxFlushBuffers, gfxInitDefault,
-    gfxScreen_t_GFX_TOP, gfxSwapBuffers, gspWaitForEvent, hidKeysDown, hidScanInput,
-    GSPGPU_Event_GSPGPU_EVENT_VBlank0, KEY_START,
+    gfxScreen_t_GFX_BOTTOM, gfxScreen_t_GFX_TOP, gfxSwapBuffers, gspWaitForEvent, hidKeysDown,
+    hidScanInput, GSPGPU_Event_GSPGPU_EVENT_VBlank0, KEY_START,
 };
 
 #[no_mangle]
 pub extern "C" fn main(_argc: c_int, _argv: *const *const c_char) -> c_int {
+    std::panic::set_hook(Box::new(|info| unsafe {
+        consoleInit(gfxScreen_t_GFX_BOTTOM, null_mut());
+
+        println!("Rust panic: \n  {}\nPress start to crash", info);
+
+        while aptMainLoop() {
+            hidScanInput();
+            let keys = hidKeysDown();
+
+            if keys & (KEY_START as u32) != 0 {
+                break;
+            }
+
+            gfxFlushBuffers();
+            gfxSwapBuffers();
+
+            gspWaitForEvent(GSPGPU_Event_GSPGPU_EVENT_VBlank0, true);
+        }
+    }));
+
     unsafe {
         gfxInitDefault();
 
@@ -20,7 +40,8 @@ pub extern "C" fn main(_argc: c_int, _argv: *const *const c_char) -> c_int {
         std::thread::spawn(|| {
             println!("Hello thread world");
         })
-        .join();
+        .join()
+        .unwrap();
 
         libctru::println!("Check end");