| #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 */ |