kernel panic and trapping :)

src/kernel/panic.c

@@ -0,0 +1,27 @@
+#include <stddef.h>
+#include <stdint.h>
+#include <drivers/uart.h>
+#include <syscon/syscon.h>
+
+void kpanic(const char *reason){
+	kprint(reason);
+	poweroff();
+}
+
+void kpanic_force() {
+    // 1. Immediate Output
+    kprint("\n!!! FORCE PANIC !!!\n");
+
+    // 2. Trigger a hardware breakpoint or illegal instruction
+    // This allows a debugger (GDB) to stop exactly here.
+    // 'ebreak' is the standard RISC-V way to trigger a debug trap.
+    __asm__ volatile("ebreak");
+
+    // 3. If no debugger is attached or we continue, kill the VM
+    poweroff();
+
+    // 4. Final halt
+    while(1) {
+        __asm__ volatile("wfi");
+    }
+}