summaryrefslogtreecommitdiffstats
path: root/include/init.h
blob: 8692b68d07137a95ea3ab98fab547a56333e5e2a (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
#ifndef _INIT_H
#define _INIT_H

/*
 * fake define to simplify the linux sync
 */
#define __init
#define __initdata

typedef int (*initcall_t)(void);

#define __define_initcall(level,fn,id) \
	static initcall_t __initcall_##fn##id __attribute__((__used__)) \
	__attribute__((__section__(".initcall." level))) = fn


/*
 * A "pure" initcall has no dependencies on anything else, and purely
 * initializes variables that couldn't be statically initialized.
 *
 * This only exists for built-in code, not for modules.
 */
#define pure_initcall(fn)		__define_initcall("0",fn,0)

#define core_initcall(fn)		__define_initcall("1",fn,1)
#define postcore_initcall(fn)		__define_initcall("2",fn,2)
#define console_initcall(fn)		__define_initcall("3",fn,3)
#define postconsole_initcall(fn)	__define_initcall("4",fn,4)
#define coredevice_initcall(fn)		__define_initcall("5",fn,5)
#define fs_initcall(fn)			__define_initcall("6",fn,6)
#define device_initcall(fn)		__define_initcall("7",fn,7)
#define late_initcall(fn)		__define_initcall("8",fn,8)

/* section for code used very early when
 * - we're not running from where we linked at
 * - bss not cleared
 * - static variables not initialized
 *
 * Mainly useful for booting from NAND Controllers
 */
#define __bare_init          __section(.text_bare_init.text)

#endif /* _INIT_H */