diff options
Diffstat (limited to 'qemu/roms/ipxe/src/include/ipxe/init.h')
-rw-r--r-- | qemu/roms/ipxe/src/include/ipxe/init.h | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/qemu/roms/ipxe/src/include/ipxe/init.h b/qemu/roms/ipxe/src/include/ipxe/init.h new file mode 100644 index 000000000..19c5925bf --- /dev/null +++ b/qemu/roms/ipxe/src/include/ipxe/init.h @@ -0,0 +1,88 @@ +#ifndef _IPXE_INIT_H +#define _IPXE_INIT_H + +FILE_LICENCE ( GPL2_OR_LATER ); + +#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 */ |