i think it works

code/kernel/ke_debug.h

@@ -0,0 +1,9 @@
+#ifndef KE_DEBUG_H
+#define KE_DEBUG_H
+
+#include <stdint.h>
+
+void KeInitDebug(void (*PrintPtr)(char, uint32_t, uint32_t), int v);
+void DbgPrint(const char* fmt, ...);
+
+#endif // KE_DEBUG_H