blob: 953bdcd54efe88fd7c45c36b98ad615f6268c15b [file] [log] [blame]
Jonas Bonnf8c4a272011-06-04 21:52:05 +03001/*
2 * OpenRISC vmlinux.lds.S
3 *
4 * Linux architectural port borrowing liberally from similar works of
5 * others. All original copyrights apply as per the original source
6 * declaration.
7 *
8 * Modifications for the OpenRISC architecture:
9 * Copyright (C) 2003 Matjaz Breskvar <phoenix@bsemi.com>
10 * Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se>
11 *
12 * This program is free software; you can redistribute it and/or
13 * modify it under the terms of the GNU General Public License
14 * as published by the Free Software Foundation; either version
15 * 2 of the License, or (at your option) any later version.
16 *
17 * ld script for OpenRISC architecture
18 */
19
20/* TODO
21 * - clean up __offset & stuff
Masahiro Yamada550116d2017-02-27 14:28:58 -080022 * - change all 8192 alignment to PAGE !!!
23 * - recheck if all alignments are really needed
Jonas Bonnf8c4a272011-06-04 21:52:05 +030024 */
25
26# define LOAD_OFFSET PAGE_OFFSET
27# define LOAD_BASE PAGE_OFFSET
28
29#include <asm/page.h>
30#include <asm/cache.h>
David Howells13810192018-01-08 10:49:09 +000031#include <asm/thread_info.h>
Jonas Bonnf8c4a272011-06-04 21:52:05 +030032#include <asm-generic/vmlinux.lds.h>
33
Guenter Roeck1f43e232014-07-20 00:39:08 +030034#ifdef __OR1K__
35#define __OUTPUT_FORMAT "elf32-or1k"
36#else
37#define __OUTPUT_FORMAT "elf32-or32"
38#endif
39
40OUTPUT_FORMAT(__OUTPUT_FORMAT, __OUTPUT_FORMAT, __OUTPUT_FORMAT)
Jonas Bonnf8c4a272011-06-04 21:52:05 +030041jiffies = jiffies_64 + 4;
42
43SECTIONS
44{
45 /* Read-only sections, merged into text segment: */
46 . = LOAD_BASE ;
47
Stafford Horne086cc1c2016-12-14 21:27:57 +090048 _text = .;
49
Jonas Bonnf8c4a272011-06-04 21:52:05 +030050 /* _s_kernel_ro must be page aligned */
51 . = ALIGN(PAGE_SIZE);
52 _s_kernel_ro = .;
53
54 .text : AT(ADDR(.text) - LOAD_OFFSET)
55 {
56 _stext = .;
57 TEXT_TEXT
58 SCHED_TEXT
Chris Metcalf6727ad92016-10-07 17:02:55 -070059 CPUIDLE_TEXT
Jonas Bonnf8c4a272011-06-04 21:52:05 +030060 LOCK_TEXT
61 KPROBES_TEXT
62 IRQENTRY_TEXT
Alexander Potapenkobe7635e2016-03-25 14:22:05 -070063 SOFTIRQENTRY_TEXT
Jonas Bonnf8c4a272011-06-04 21:52:05 +030064 *(.fixup)
65 *(.text.__*)
66 _etext = .;
67 }
68 /* TODO: Check if fixup and text.__* are really necessary
69 * fixup is definitely necessary
70 */
71
72 _sdata = .;
73
74 /* Page alignment required for RO_DATA_SECTION */
75 RO_DATA_SECTION(PAGE_SIZE)
76 _e_kernel_ro = .;
77
78 /* Whatever comes after _e_kernel_ro had better be page-aligend, too */
79
80 /* 32 here is cacheline size... recheck this */
81 RW_DATA_SECTION(32, PAGE_SIZE, PAGE_SIZE)
82
83 _edata = .;
84
85 EXCEPTION_TABLE(4)
86 NOTES
87
88 /* Init code and data */
89 . = ALIGN(PAGE_SIZE);
90 __init_begin = .;
91
92 HEAD_TEXT_SECTION
93
94 /* Page aligned */
95 INIT_TEXT_SECTION(PAGE_SIZE)
96
97 /* Align __setup_start on 16 byte boundary */
98 INIT_DATA_SECTION(16)
99
100 PERCPU_SECTION(L1_CACHE_BYTES)
101
102 __init_end = .;
103
104 . = ALIGN(PAGE_SIZE);
105 .initrd : AT(ADDR(.initrd) - LOAD_OFFSET)
106 {
107 __initrd_start = .;
108 *(.initrd)
109 __initrd_end = .;
110 FILL (0);
111 . = ALIGN (PAGE_SIZE);
112 }
113
114 __vmlinux_end = .; /* last address of the physical file */
115
116 BSS_SECTION(0, 0, 0x20)
117
118 _end = .;
119
120 /* Throw in the debugging sections */
121 STABS_DEBUG
122 DWARF_DEBUG
123
124 /* Sections to be discarded -- must be last */
125 DISCARDS
126}