Initial commit. We have a booting kernel

libc/stdlib/abort.c

@@ -0,0 +1,15 @@
+#include <stdlib.h>
+#include <stdio.h>
+
+__attribute__((__noreturn__))
+void abort(void)
+{
+#if defined(__is_libk)
+	printf("Kernel panic: abort()\n");
+	asm volatile("hlt");
+#else
+	printf("abort()\n");
+#endif
+	while (1);
+	__builtin_unreachable();
+}