Callback mechanism now obsolete

src/include/callbacks.h

@@ -1,45 +0,0 @@
-/* Callout/callback interface for Etherboot
- *
- * This file provides the mechanisms for making calls from Etherboot
- * to external programs and vice-versa.
- *
- * Initial version by Michael Brown <mbrown@fensystems.co.uk>, January 2004.
- *
- * $Id$
- */
-
-#ifndef CALLBACKS_H
-#define CALLBACKS_H
-
-/* Opcodes and flags for in_call()
- */
-#define EB_OPCODE(x) ( (x) & 0xffff )
-#define EB_OPCODE_MAIN		(0x0000)
-#define EB_OPCODE_CHECK		(0x6948)	/* 'Hi' */
-#define EB_OPCODE_PXE		(0x7850)	/* 'Px' */
-#define EB_OPCODE_PXENV		(0x7650)	/* 'Pv' */
-#define EB_USE_INTERNAL_STACK	( 1 << 16 )
-#define EB_CALL_FROM_REAL_MODE	( 1 << 17 )	/* i386 only */
-#define EB_SKIP_OPCODE		( 1 << 18 )
-
-/* Standard return codes
- */
-#define EB_CHECK_RESULT		(0x6f486948)	/* 'HiHo' */
-
-/* Include arch-specific callbacks bits
- */
-#include "callbacks_arch.h"
-
-/* Skip the definitions that won't make sense to the assembler */
-#ifndef ASSEMBLY
-
-#include <stdarg.h>
-
-#ifndef in_call_data_t
-typedef struct {} empty_struct_t;
-#define in_call_data_t empty_struct_t
-#endif
-
-#endif /* ASSEMBLY */
-
-#endif /* CALLBACKS_H */