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Callback mechanism now obsolete

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Michael Brown 2005-04-09 11:11:34 +00:00
parent a4920c16bd
commit a3faaf405a
1 changed files with 0 additions and 45 deletions
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45
src/include/callbacks.h
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/* 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 */