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+++ b/packages/infra/current/include/diag.h
@@ -0,0 +1,97 @@
+#ifndef CYGONCE_INFRA_DIAG_H
+#define CYGONCE_INFRA_DIAG_H
+
+/*=============================================================================
+//
+//	diag.h
+//
+//	Diagnostic Routines for Infra Development
+//
+//==========================================================================
+//####COPYRIGHTBEGIN####
+//
+// -------------------------------------------
+// The contents of this file are subject to the Cygnus eCos Public License
+// Version 1.0 (the "License"); you may not use this file except in
+// compliance with the License.  You may obtain a copy of the License at
+// http://sourceware.cygnus.com/ecos
+// 
+// Software distributed under the License is distributed on an "AS IS"
+// basis, WITHOUT WARRANTY OF ANY KIND, either express or implied.  See the
+// License for the specific language governing rights and limitations under
+// the License.
+// 
+// The Original Code is eCos - Embedded Cygnus Operating System, released
+// September 30, 1998.
+// 
+// The Initial Developer of the Original Code is Cygnus.  Portions created
+// by Cygnus are Copyright (C) 1998 Cygnus Solutions.  All Rights Reserved.
+// -------------------------------------------
+//
+//####COPYRIGHTEND####
+//==========================================================================
+//#####DESCRIPTIONBEGIN####
+//
+// Author(s): 	nickg
+// Contributors:	nickg
+// Date:	1998-03-02
+// Purpose:	Diagnostic Routines for Infra Development
+// Description:	Diagnostic routines for use during infra development.
+// Usage:	#include <cyg/infra/diag.h>
+//
+//####DESCRIPTIONEND####
+//
+//==========================================================================*/
+
+#include <cyg/infra/cyg_type.h>
+
+#ifdef CYGDBG_INFRA_DIAG_PRINTF_USE_VARARG
+#include <stdarg.h>
+#endif
+
+/*---------------------------------------------------------------------------*/
+/* Diagnostic routines                                                       */
+
+externC void diag_init(void);         /* Initialize, call before any others*/
+
+externC void diag_write_char(char c); /* Write single char to output       */
+
+externC void diag_write_string(char *psz); /* Write zero terminated string */
+
+externC void diag_write_dec( cyg_int32 n);    /* Write decimal value       */
+
+externC void diag_write_hex( cyg_uint32 n);   /* Write hexadecimal value   */
+
+
+#ifdef CYGDBG_INFRA_DIAG_PRINTF_USE_VARARG
+
+externC void diag_printf( char *fmt, ... );  /* Formatted print           */
+
+#else
+
+// This function deliberately has a K&R prototype to avoid having to use
+// varargs, or pad arglists or anything grody like that.
+
+#warning CYGDBG_INFRA_DIAG_PRINTF_USE_VARARG not enabled
+#warning Expect a "function declaration isn't a prototype" warning
+
+externC void diag_printf(/* char *fmt, CYG_ADDRWORD, CYG_ADDRWORD,
+                         CYG_ADDRWORD, CYG_ADDRWORD, CYG_ADDRWORD,
+                         CYG_ADDRWORD, CYG_ADDRWORD, CYG_ADDRWORD */);
+
+#endif
+
+/*---------------------------------------------------------------------------*/
+/* Internal Diagnostic MACROS                                                */
+
+#ifdef CYGDBG_INFRA_DIAG_USE_DEVICE
+#define DIAG_DEVICE_START_SYNC()	diag_device_start_sync()
+#define DIAG_DEVICE_END_SYNC()		diag_device_end_sync()
+#else
+#define DIAG_DEVICE_START_SYNC()
+#define DIAG_DEVICE_END_SYNC()
+#endif
+
+/*---------------------------------------------------------------------------*/
+#endif /* CYGONCE_INFRA_DIAG_H */
+/* EOF diag.h */