Gitiles
Code Review Sign In
git01.mediatek.com / filogic / uboot / 00ded8c785ddcd2a745ddd1575161e64d3943d0c / . / include / asm-generic / sections.h
blob: d59787948fd1dddd34530b9a5fb6b79a9e0fca38 [file] [log] [blame]
Tom Rini10e47792018-05-06 17:58:06 -0400[diff] [blame]1/* SPDX-License-Identifier: GPL-2.0+ */
Simon Glass9bce37c2013-03-05 14:39:37 +0000[diff] [blame]2/*
3 * Copyright (c) 2011 The Chromium OS Authors.
Simon Glass9bce37c2013-03-05 14:39:37 +0000[diff] [blame]4 */
5
6/* Taken from Linux kernel, commit f56c3196 */
7
8#ifndef _ASM_GENERIC_SECTIONS_H_
9#define _ASM_GENERIC_SECTIONS_H_
10
Sean Anderson9efec312019-12-17 21:22:42 -0500[diff] [blame]11#include <linux/types.h>
12
Simon Glass9bce37c2013-03-05 14:39:37 +0000[diff] [blame]13/* References to section boundaries */
14
15extern char _text[], _stext[], _etext[];
16extern char _data[], _sdata[], _edata[];
17extern char __bss_start[], __bss_stop[];
18extern char __init_begin[], __init_end[];
19extern char _sinittext[], _einittext[];
Simon Glass62cf9122013-04-26 02:53:43 +0000[diff] [blame]20extern char _end[], _init[];
Simon Glass9bce37c2013-03-05 14:39:37 +0000[diff] [blame]21extern char __per_cpu_load[], __per_cpu_start[], __per_cpu_end[];
22extern char __kprobes_text_start[], __kprobes_text_end[];
23extern char __entry_text_start[], __entry_text_end[];
24extern char __initdata_begin[], __initdata_end[];
25extern char __start_rodata[], __end_rodata[];
Ilias Apalodimas3f9a3112025-02-20 15:54:40 +0200[diff] [blame]26extern char __start_data[], __end_data[];
Heinrich Schuchardt7804ae92017-09-05 03:19:37 +0200[diff] [blame]27extern char __efi_helloworld_begin[];
28extern char __efi_helloworld_end[];
Heinrich Schuchardt4b7d5c12020-07-14 21:25:28 +0200[diff] [blame]29extern char __efi_var_file_begin[];
30extern char __efi_var_file_end[];
Ilias Apalodimasb6196d72025-04-01 14:27:25 +0300[diff] [blame]31extern char __efi_capsule_sig_begin[];
32extern char __efi_capsule_sig_end[];
Simon Glass9bce37c2013-03-05 14:39:37 +0000[diff] [blame]33
Simon Glass8dee67a2021-03-15 17:25:38 +1300[diff] [blame]34/* Private data used by of-platdata devices/uclasses */
35extern char __priv_data_start[], __priv_data_end[];
36
Simon Glass9bce37c2013-03-05 14:39:37 +0000[diff] [blame]37/* Start and end of .ctors section - used for constructor calls. */
38extern char __ctors_start[], __ctors_end[];
39
Ilias Apalodimas9b378942024-03-15 08:43:47 +0200[diff] [blame]40extern char __efi_runtime_rel_start[], __efi_runtime_rel_stop[];
Ilias Apalodimas048a9ec2024-03-15 08:43:49 +0200[diff] [blame]41extern char __efi_runtime_start[], __efi_runtime_stop[];
Ilias Apalodimas9b378942024-03-15 08:43:47 +0200[diff] [blame]42
Simon Glass9bce37c2013-03-05 14:39:37 +0000[diff] [blame]43/* function descriptor handling (if any). Override
44 * in asm/sections.h */
45#ifndef dereference_function_descriptor
46#define dereference_function_descriptor(p) (p)
47#endif
48
49/* random extra sections (if any). Override
50 * in asm/sections.h */
51#ifndef arch_is_kernel_text
52static inline int arch_is_kernel_text(unsigned long addr)
53{
54 return 0;
55}
56#endif
57
58#ifndef arch_is_kernel_data
59static inline int arch_is_kernel_data(unsigned long addr)
60{
61 return 0;
62}
63#endif
64
65/* U-Boot-specific things begin here */
66
67/* Start of U-Boot text region */
68extern char __text_start[];
Ilias Apalodimas3f9a3112025-02-20 15:54:40 +0200[diff] [blame]69extern char __text_end[];
Simon Glass9bce37c2013-03-05 14:39:37 +0000[diff] [blame]70
Shiji Yangbb112342023-08-03 09:47:16 +0800[diff] [blame]71/* This marks the text region which must be relocated */
72extern char __image_copy_start[], __image_copy_end[];
73
Simon Glass100e5b02025-01-26 11:43:20 -0700[diff] [blame]74/* This marks the rcode region used for SPL relocation */
75extern char _rcode_start[], _rcode_end[];
76
Shiji Yangbb112342023-08-03 09:47:16 +0800[diff] [blame]77extern char __bss_end[];
78extern char __rel_dyn_start[], __rel_dyn_end[];
79extern char _image_binary_end[];
Simon Glass9bce37c2013-03-05 14:39:37 +0000[diff] [blame]80
81/*
82 * This is the U-Boot entry point - prior to relocation it should be same
83 * as __text_start
84 */
85extern void _start(void);
86
Simon Glass100e5b02025-01-26 11:43:20 -0700[diff] [blame]87#ifndef USE_HOSTCC
88#if CONFIG_IS_ENABLED(RELOC_LOADER)
89#define __rcode __section(".text.rcode")
90#define __rdata __section(".text.rdata")
91#else
92#define __rcode
93#define __rdata
94#endif
95#else
96#define __rcode
97#define __rdata
98#endif
99
Simon Glass9bce37c2013-03-05 14:39:37 +0000[diff] [blame]100#endif /* _ASM_GENERIC_SECTIONS_H_ */