mirror of https://github.com/ipxe/ipxe.git
81 lines
1.9 KiB
C
81 lines
1.9 KiB
C
#ifndef _GPXE_INIT_H
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#define _GPXE_INIT_H
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#include <gpxe/tables.h>
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/**
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* An initialisation function
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*
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* Initialisation functions are called exactly once, as part of the
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* call to initialise().
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*/
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struct init_fn {
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void ( * initialise ) ( void );
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};
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/** Initialisation function table */
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#define INIT_FNS "init_fns"
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/** Declare an initialisation functon */
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#define __init_fn( init_order ) \
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__table ( struct init_fn, INIT_FNS, init_order )
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/** @defgroup initfn_order Initialisation function ordering
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* @{
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*/
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#define INIT_EARLY 01 /**< Early initialisation */
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#define INIT_SERIAL 02 /**< Serial driver initialisation */
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#define INIT_CONSOLE 03 /**< Console initialisation */
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#define INIT_NORMAL 04 /**< Normal initialisation */
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/** @} */
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/** Shutdown flags */
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enum shutdown_flags {
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/** Shutdown is in order to exit (return to gPXE's caller) */
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SHUTDOWN_EXIT = 0x0001,
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/** Shutdown is in order to boot an OS */
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SHUTDOWN_BOOT = 0x0002,
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/** Do not remove devices */
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SHUTDOWN_KEEP_DEVICES = 0x0004,
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};
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/**
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* A startup/shutdown function
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*
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* Startup and shutdown functions may be called multiple times, as
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* part of the calls to startup() and shutdown().
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*/
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struct startup_fn {
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void ( * startup ) ( void );
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void ( * shutdown ) ( int flags );
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};
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/** Startup/shutdown function table */
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#define STARTUP_FNS "startup_fns"
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/** Declare a startup/shutdown function */
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#define __startup_fn( startup_order ) \
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__table ( struct startup_fn, STARTUP_FNS, startup_order )
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/** @defgroup startfn_order Startup/shutdown function ordering
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*
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* Shutdown functions are called in the reverse order to startup
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* functions.
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*
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* @{
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*/
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#define STARTUP_EARLY 01 /**< Early startup */
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#define STARTUP_NORMAL 02 /**< Normal startup */
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#define STARTUP_LATE 03 /**< Late startup */
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/** @} */
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extern void initialise ( void );
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extern void startup ( void );
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extern void shutdown ( int flags );
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#endif /* _GPXE_INIT_H */
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