Merge tag 'u-boot-stm32-20190606' of https://github.com/pchotard/u-boot
[platform/kernel/u-boot.git] / 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                 debug("initcall: %p", (char *)*init_fnc_ptr - reloc_ofs);
34                 if (reloc_ofs)
35                         debug(" (relocated to %p)\n", (char *)*init_fnc_ptr);
36                 else
37                         debug("\n");
38                 ret = (*init_fnc_ptr)();
39                 if (ret) {
40                         printf("initcall sequence %p failed at call %p (err=%d)\n",
41                                init_sequence,
42                                (char *)*init_fnc_ptr - reloc_ofs, ret);
43                         return -1;
44                 }
45         }
46         return 0;
47 }
48
49 #endif