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#ifndef _GPXE_INIT_H
#define _GPXE_INIT_H
FILE_LICENCE ( GPL2_OR_LATER );
#include <gpxe/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 */
/** @} */
/** Shutdown flags */
enum shutdown_flags {
/** Shutdown is in order to exit (return to gPXE's caller) */
SHUTDOWN_EXIT = 0x0001,
/** Shutdown is in order to boot an OS */
SHUTDOWN_BOOT = 0x0002,
/** Do not remove devices */
SHUTDOWN_KEEP_DEVICES = 0x0004,
};
/**
* 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 flags );
};
/** 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 flags );
#endif /* _GPXE_INIT_H */
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