kernel panic and trapping :)

src/kernel/trap.c

@@ -0,0 +1,20 @@
+#include <stdint.h>
+#include <stddef.h>
+#include <drivers/uart.h>
+#include <syscon/syscon.h>
+
+void handle_trap() {
+    kprint("\n!!! HARDWARE EXCEPTION DETECTED !!!\n");
+    
+    // Read the 'mcause' register to see WHY we trapped
+    unsigned long cause;
+    __asm__ volatile("csrr %0, mcause" : "=r"(cause));
+
+    if (cause == 3) { // 3 is the code for 'breakpoint' (ebreak)
+        kprint("Reason: ebreak (Breakpoint)\n");
+    } else {
+        kprint("Reason: Other Exception\n");
+    }
+
+    poweroff();
+}