include/init.h

   1 #ifndef _INIT_H
   2 #define _INIT_H
   3
   4 /*
   5  * fake define to simplify the linux sync
   6  */
   7 #define __init
   8 #define __initdata
   9
  10 typedef int (*initcall_t)(void);
  11
  12 #define __define_initcall(level,fn,id) \
  13         static initcall_t __initcall_##fn##id __attribute__((__used__)) \
  14         __attribute__((__section__(".initcall." level))) = fn
  15
  16
  17 /*
  18  * A "pure" initcall has no dependencies on anything else, and purely
  19  * initializes variables that couldn't be statically initialized.
  20  *
  21  * This only exists for built-in code, not for modules.
  22  */
  23 #define pure_initcall(fn)               __define_initcall("0",fn,0)
  24
  25 #define core_initcall(fn)               __define_initcall("1",fn,1)
  26 #define postcore_initcall(fn)           __define_initcall("2",fn,2)
  27 #define console_initcall(fn)            __define_initcall("3",fn,3)
  28 #define postconsole_initcall(fn)        __define_initcall("4",fn,4)
  29 #define coredevice_initcall(fn)         __define_initcall("5",fn,5)
  30 #define fs_initcall(fn)                 __define_initcall("6",fn,6)
  31 #define device_initcall(fn)             __define_initcall("7",fn,7)
  32 #define late_initcall(fn)               __define_initcall("8",fn,8)
  33
  34 /* section for code used very early when
  35  * - we're not running from where we linked at
  36  * - bss not cleared
  37  * - static variables not initialized
  38  *
  39  * Mainly useful for booting from NAND Controllers
  40  */
  41 #define __bare_init          __section(.text_bare_init.text)
  42
  43 #endif /* _INIT_H */
  44