1/* SPDX-License-Identifier: GPL-2.0-or-later */
2/*
3 * OpenRISC vmlinux.lds.S
4 *
5 * Linux architectural port borrowing liberally from similar works of
6 * others.  All original copyrights apply as per the original source
7 * declaration.
8 *
9 * Modifications for the OpenRISC architecture:
10 * Copyright (C) 2003 Matjaz Breskvar <phoenix@bsemi.com>
11 * Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se>
12 *
13 * ld script for OpenRISC architecture
14 */
15
16/* TODO
17 *		- clean up __offset & stuff
18 *		- change all 8192 alignment to PAGE !!!
19 *		- recheck if all alignments are really needed
20 */
21
22#  define LOAD_OFFSET  PAGE_OFFSET
23#  define LOAD_BASE    PAGE_OFFSET
24
25#include <asm/page.h>
26#include <asm/cache.h>
27#include <asm/thread_info.h>
28#include <asm-generic/vmlinux.lds.h>
29
30#ifdef __OR1K__
31#define __OUTPUT_FORMAT        "elf32-or1k"
32#else
33#define __OUTPUT_FORMAT        "elf32-or32"
34#endif
35
36OUTPUT_FORMAT(__OUTPUT_FORMAT, __OUTPUT_FORMAT, __OUTPUT_FORMAT)
37jiffies = jiffies_64 + 4;
38
39SECTIONS
40{
41        /* Read-only sections, merged into text segment: */
42        . = LOAD_BASE ;
43
44	_text = .;
45
46	/* _s_kernel_ro must be page aligned */
47	. = ALIGN(PAGE_SIZE);
48	_s_kernel_ro = .;
49
50        .text                   : AT(ADDR(.text) - LOAD_OFFSET)
51	{
52          _stext = .;
53	  TEXT_TEXT
54	  SCHED_TEXT
55	  CPUIDLE_TEXT
56	  LOCK_TEXT
57	  KPROBES_TEXT
58	  IRQENTRY_TEXT
59	  SOFTIRQENTRY_TEXT
60	  *(.fixup)
61	  *(.text.__*)
62	  _etext = .;
63	}
64	/* TODO: Check if fixup and text.__* are really necessary
65	 * fixup is definitely necessary
66	 */
67
68	_sdata = .;
69
70	/* Page alignment required for RO_DATA_SECTION */
71	RO_DATA_SECTION(PAGE_SIZE)
72	_e_kernel_ro = .;
73
74	/* Whatever comes after _e_kernel_ro had better be page-aligend, too */
75
76	/* 32 here is cacheline size... recheck this */
77	RW_DATA_SECTION(32, PAGE_SIZE, PAGE_SIZE)
78
79        _edata  =  .;
80
81	EXCEPTION_TABLE(4)
82	NOTES
83
84	/* Init code and data */
85	. = ALIGN(PAGE_SIZE);
86	__init_begin = .;
87
88	HEAD_TEXT_SECTION
89
90	/* Page aligned */
91	INIT_TEXT_SECTION(PAGE_SIZE)
92
93	/* Align __setup_start on 16 byte boundary */
94	INIT_DATA_SECTION(16)
95
96	PERCPU_SECTION(L1_CACHE_BYTES)
97
98        __init_end = .;
99
100	. = ALIGN(PAGE_SIZE);
101	.initrd			: AT(ADDR(.initrd) - LOAD_OFFSET)
102	{
103		__initrd_start = .;
104		*(.initrd)
105		__initrd_end = .;
106		FILL (0);
107                . = ALIGN (PAGE_SIZE);
108	}
109
110        __vmlinux_end = .;            /* last address of the physical file */
111
112	BSS_SECTION(0, 0, 0x20)
113
114        _end = .;
115
116	/* Throw in the debugging sections */
117	STABS_DEBUG
118	DWARF_DEBUG
119
120        /* Sections to be discarded -- must be last */
121	DISCARDS
122}
123