include/initcall.h

   1 /* SPDX-License-Identifier: GPL-2.0+ */
   2 /*
   3  * Copyright (c) 2011 The Chromium OS Authors.
   4  */
   5
   6 #ifndef __INITCALL_H
   7 #define __INITCALL_H
   8
   9 typedef int (*init_fnc_t)(void);
  10
  11 /*
  12  * To enable debugging. add #define DEBUG at the top of the including file.
  13  *
  14  * To find a symbol, use grep on u-boot.map
  15  */
  16 static inline int initcall_run_list(const init_fnc_t init_sequence[])
  17 {
  18         const init_fnc_t *init_fnc_ptr;
  19
  20         for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr) {
  21                 unsigned long reloc_ofs = 0;
  22                 int ret;
  23
  24                 /*
  25                  * Sandbox is relocated by the OS, so symbols always appear at
  26                  * the relocated address.
  27                  */
  28                 if (IS_ENABLED(CONFIG_SANDBOX) || (gd->flags & GD_FLG_RELOC))
  29                         reloc_ofs = gd->reloc_off;
  30 #ifdef CONFIG_EFI_APP
  31                 reloc_ofs = (unsigned long)image_base;
  32 #endif
  33                 if (reloc_ofs)
  34                         debug("initcall: %p (relocated to %p)\n",
  35                                         (char *)*init_fnc_ptr - reloc_ofs,
  36                                         (char *)*init_fnc_ptr);
  37                 else
  38                         debug("initcall: %p\n", (char *)*init_fnc_ptr - reloc_ofs);
  39
  40                 ret = (*init_fnc_ptr)();
  41                 if (ret) {
  42                         printf("initcall sequence %p failed at call %p (err=%d)\n",
  43                                init_sequence,
  44                                (char *)*init_fnc_ptr - reloc_ofs, ret);
  45                         return -1;
  46                 }
  47         }
  48         return 0;
  49 }
  50
  51 #endif