1/*
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
22 *		- change all 8192 alignment to PAGE !!!
23 *		- recheck if all alignments are really needed
24 */
25
26#  define LOAD_OFFSET  PAGE_OFFSET
27#  define LOAD_BASE    PAGE_OFFSET
28
29#include <asm/page.h>
30#include <asm/cache.h>
31#include <asm/thread_info.h>
32#include <asm-generic/vmlinux.lds.h>
33
34#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)
41jiffies = jiffies_64 + 4;
42
43SECTIONS
44{
45        /* Read-only sections, merged into text segment: */
46        . = LOAD_BASE ;
47
48	_text = .;
49
50	/* _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
59	  CPUIDLE_TEXT
60	  LOCK_TEXT
61	  KPROBES_TEXT
62	  IRQENTRY_TEXT
63	  SOFTIRQENTRY_TEXT
64	  *(.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}
127