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ipxe/src/include/ipxe/init.h

89 lines
2.0 KiB
C

#ifndef _IPXE_INIT_H
#define _IPXE_INIT_H
FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
#include <ipxe/tables.h>
/**
* An initialisation function
*
* Initialisation functions are called exactly once, as part of the
* call to initialise().
*/
struct init_fn {
void ( * initialise ) ( void );
};
/** Initialisation function table */
#define INIT_FNS __table ( struct init_fn, "init_fns" )
/** Declare an initialisation functon */
#define __init_fn( init_order ) __table_entry ( INIT_FNS, init_order )
/** @defgroup initfn_order Initialisation function ordering
* @{
*/
#define INIT_EARLY 01 /**< Early initialisation */
#define INIT_SERIAL 02 /**< Serial driver initialisation */
#define INIT_CONSOLE 03 /**< Console initialisation */
#define INIT_NORMAL 04 /**< Normal initialisation */
#define INIT_LATE 05 /**< Late initialisation */
/** @} */
/**
* A startup/shutdown function
*
* Startup and shutdown functions may be called multiple times, as
* part of the calls to startup() and shutdown().
*/
struct startup_fn {
void ( * startup ) ( void );
void ( * shutdown ) ( int booting );
};
/** Startup/shutdown function table */
#define STARTUP_FNS __table ( struct startup_fn, "startup_fns" )
/** Declare a startup/shutdown function */
#define __startup_fn( startup_order ) \
__table_entry ( STARTUP_FNS, startup_order )
/** @defgroup startfn_order Startup/shutdown function ordering
*
* Shutdown functions are called in the reverse order to startup
* functions.
*
* @{
*/
#define STARTUP_EARLY 01 /**< Early startup */
#define STARTUP_NORMAL 02 /**< Normal startup */
#define STARTUP_LATE 03 /**< Late startup */
/** @} */
extern void initialise ( void );
extern void startup ( void );
extern void shutdown ( int booting );
/**
* Shut down system for OS boot
*
*/
static inline void shutdown_boot ( void ) {
shutdown ( 1 );
}
/**
* Shut down system for exit back to firmware
*
*/
static inline void shutdown_exit ( void ) {
shutdown ( 0 );
}
#endif /* _IPXE_INIT_H */