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 #include <log.h>
  12 #ifdef CONFIG_EFI_APP
  13 #include <efi.h>
  14 #endif
  15
  16 /*
  17  * To enable debugging. add #define DEBUG at the top of the including file.
  18  *
  19  * To find a symbol, use grep on u-boot.map
  20  */
  21 static inline int initcall_run_list(const init_fnc_t init_sequence[])
  22 {
  23         const init_fnc_t *init_fnc_ptr;
  24
  25         for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr) {
  26                 unsigned long reloc_ofs = 0;
  27                 int ret;
  28
  29                 /*
  30                  * Sandbox is relocated by the OS, so symbols always appear at
  31                  * the relocated address.
  32                  */
  33                 if (IS_ENABLED(CONFIG_SANDBOX) || (gd->flags & GD_FLG_RELOC))
  34                         reloc_ofs = gd->reloc_off;
  35 #ifdef CONFIG_EFI_APP
  36                 reloc_ofs = (unsigned long)image_base;
  37 #endif
  38                 if (reloc_ofs)
  39                         debug("initcall: %p (relocated to %p)\n",
  40                                         (char *)*init_fnc_ptr - reloc_ofs,
  41                                         (char *)*init_fnc_ptr);
  42                 else
  43                         debug("initcall: %p\n", (char *)*init_fnc_ptr - reloc_ofs);
  44
  45                 ret = (*init_fnc_ptr)();
  46                 if (ret) {
  47                         printf("initcall sequence %p failed at call %p (err=%d)\n",
  48                                init_sequence,
  49                                (char *)*init_fnc_ptr - reloc_ofs, ret);
  50                         return -1;
  51                 }
  52         }
  53         return 0;
  54 }
  55
  56 #endif