LXR uboot/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
   9typedef int (*init_fnc_t)(void);
  10
  11#include <log.h>
  12#ifdef CONFIG_EFI_APP
  13#include <efi.h>
  14#endif
  15#include <asm/global_data.h>
  16
  17/*
  18 * To enable debugging. add #define DEBUG at the top of the including file.
  19 *
  20 * To find a symbol, use grep on u-boot.map
  21 */
  22static inline int initcall_run_list(const init_fnc_t init_sequence[])
  23{
  24        const init_fnc_t *init_fnc_ptr;
  25
  26        for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr) {
  27                unsigned long reloc_ofs = 0;
  28                int ret;
  29
  30                /*
  31                 * Sandbox is relocated by the OS, so symbols always appear at
  32                 * the relocated address.
  33                 */
  34                if (IS_ENABLED(CONFIG_SANDBOX) || (gd->flags & GD_FLG_RELOC))
  35                        reloc_ofs = gd->reloc_off;
  36#ifdef CONFIG_EFI_APP
  37                reloc_ofs = (unsigned long)image_base;
  38#endif
  39                if (reloc_ofs)
  40                        debug("initcall: %p (relocated to %p)\n",
  41                                        (char *)*init_fnc_ptr - reloc_ofs,
  42                                        (char *)*init_fnc_ptr);
  43                else
  44                        debug("initcall: %p\n", (char *)*init_fnc_ptr - reloc_ofs);
  45
  46                ret = (*init_fnc_ptr)();
  47                if (ret) {
  48                        printf("initcall sequence %p failed at call %p (err=%d)\n",
  49                               init_sequence,
  50                               (char *)*init_fnc_ptr - reloc_ofs, ret);
  51                        return -1;
  52                }
  53        }
  54        return 0;
  55}
  56
  57#endif
  58