Load dynamic programs using FAT32

src/panic_handler.rs

@@ -0,0 +1,32 @@
+use core::arch::riscv64::wfi;
+
+use alloc::{format, string::ToString};
+use log::error;
+
+use crate::vga::{Color, Vga, FONT_HEIGHT};
+
+#[panic_handler]
+fn panic(panic_info: &core::panic::PanicInfo) -> ! {
+    error!("PANIC !");
+    let mut panic_message = panic_info.message().to_string();
+    if let Some(location) = panic_info.location() {
+        panic_message = format!("{panic_message} at {}:{}", location.file(), location.line());
+    }
+    error!("{panic_message}");
+
+    Vga::clear_screen(Color::WHITE);
+    unsafe { Vga::draw_string(0, 0, "PANIC !", Color::BLACK, Color::WHITE) };
+    unsafe {
+        Vga::draw_string(
+            0,
+            FONT_HEIGHT as u16,
+            panic_message,
+            Color::BLACK,
+            Color::WHITE,
+        )
+    };
+
+    loop {
+        unsafe { wfi() }
+    }
+}