Refine and export kernel debugger printing

xtoskrnl/includes/dbg.hh

@@ -0,0 +1,23 @@
+/**
+ * PROJECT:         ExectOS
+ * COPYRIGHT:       See COPYING.md in the top level directory
+ * FILE:            xtoskrnl/includes/dbg.hh
+ * DESCRIPTION:     Kernel debugging support
+ * DEVELOPERS:      Aiken Harris <harraiken91@gmail.com>
+ */
+
+#ifndef __XTOSKRNL_DBG_HH
+#define __XTOSKRNL_DBG_HH
+
+#include <xtos.hh>
+
+
+/* Redefine DebugPrint macro for the kernel to enable early debugging */
+#undef DebugPrint
+#ifdef DBG
+    #define DebugPrint(Format, ...)     if(KD::DebugIo::KdPrint) KD::DebugIo::KdPrint(Format, __VA_ARGS__);
+#else
+    #define DebugPrint(Format, ...)     ((VOID)NULL)
+#endif
+
+#endif /* __XTOSKRNL_DBG_HH */