tools/include/linux/init.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef _TOOLS_LINUX_INIT_H_
   3 #define _TOOLS_LINUX_INIT_H_
   4
   5 #include <linux/compiler.h>
   6
   7 #ifndef __init
   8 # define __init
   9 #endif
  10
  11 #ifndef __exit
  12 # define __exit
  13 #endif
  14
  15 #define __section(section)              __attribute__((__section__(section)))
  16
  17 #define __initconst
  18 #define __meminit
  19 #define __meminitdata
  20 #define __refdata
  21 #define __initdata
  22
  23 struct obs_kernel_param {
  24         const char *str;
  25         int (*setup_func)(char *st);
  26         int early;
  27 };
  28
  29 #define __setup_param(str, unique_id, fn, early)                        \
  30         static const char __setup_str_##unique_id[] __initconst         \
  31                 __aligned(1) = str;                                     \
  32         static struct obs_kernel_param __setup_##unique_id              \
  33                 __used __section(".init.setup")                         \
  34                 __aligned(__alignof__(struct obs_kernel_param)) =       \
  35                 { __setup_str_##unique_id, fn, early }
  36
  37 #define __setup(str, fn)                                                \
  38         __setup_param(str, fn, fn, 0)
  39
  40 #define early_param(str, fn)                                            \
  41         __setup_param(str, fn, fn, 1)
  42
  43 #endif /*  _TOOLS_LINUX_INIT_H_ */