Add kernel panic function

kernel/kernel/panic.cpp

@@ -0,0 +1,16 @@
+#include <kernel/panic.h>
+#include <kernel/tty.h>
+
+namespace Kernel
+{
+
+	__attribute__((__noreturn__))
+	void panic(const char* message)
+	{
+		terminal_writestring("Kernel panic: ");
+		terminal_writestring(message);
+		asm volatile("hlt");
+		__builtin_unreachable();
+	}
+
+}