source: grub-pc/trunk/fuentes/debian/grub-extras/disabled/gpxe/src/include/gpxe/init.h @ 22

Last change on this file since 22 was 22, checked in by mabarracus, 4 years ago

updated version and apply net.ifnames=0 into debian/rules

File size: 1.9 KB
Line 
1#ifndef _GPXE_INIT_H
2#define _GPXE_INIT_H
3
4FILE_LICENCE ( GPL2_OR_LATER );
5
6#include <gpxe/tables.h>
7
8/**
9 * An initialisation function
10 *
11 * Initialisation functions are called exactly once, as part of the
12 * call to initialise().
13 */
14struct init_fn {
15        void ( * initialise ) ( void );
16};
17
18/** Initialisation function table */
19#define INIT_FNS __table ( struct init_fn, "init_fns" )
20
21/** Declare an initialisation functon */
22#define __init_fn( init_order ) __table_entry ( INIT_FNS, init_order )
23
24/** @defgroup initfn_order Initialisation function ordering
25 * @{
26 */
27
28#define INIT_EARLY      01      /**< Early initialisation */
29#define INIT_SERIAL     02      /**< Serial driver initialisation */
30#define INIT_CONSOLE    03      /**< Console initialisation */
31#define INIT_NORMAL     04      /**< Normal initialisation */
32
33/** @} */
34
35/** Shutdown flags */
36enum shutdown_flags {
37        /** Shutdown is in order to exit (return to gPXE's caller) */
38        SHUTDOWN_EXIT = 0x0001,
39        /** Shutdown is in order to boot an OS */
40        SHUTDOWN_BOOT = 0x0002,
41        /** Do not remove devices */
42        SHUTDOWN_KEEP_DEVICES = 0x0004,
43};
44
45/**
46 * A startup/shutdown function
47 *
48 * Startup and shutdown functions may be called multiple times, as
49 * part of the calls to startup() and shutdown().
50 */
51struct startup_fn {
52        void ( * startup ) ( void );
53        void ( * shutdown ) ( int flags );
54};
55
56/** Startup/shutdown function table */
57#define STARTUP_FNS __table ( struct startup_fn, "startup_fns" )
58
59/** Declare a startup/shutdown function */
60#define __startup_fn( startup_order ) \
61        __table_entry ( STARTUP_FNS, startup_order )
62
63/** @defgroup startfn_order Startup/shutdown function ordering
64 *
65 * Shutdown functions are called in the reverse order to startup
66 * functions.
67 *
68 * @{
69 */
70
71#define STARTUP_EARLY   01      /**< Early startup */
72#define STARTUP_NORMAL  02      /**< Normal startup */
73#define STARTUP_LATE    03      /**< Late startup */
74
75/** @} */
76
77extern void initialise ( void );
78extern void startup ( void );
79extern void shutdown ( int flags );
80
81#endif /* _GPXE_INIT_H */
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