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-generic/vmlinux.lds.h>
32
33#ifdef __OR1K__
34#define __OUTPUT_FORMAT        "elf32-or1k"
35#else
36#define __OUTPUT_FORMAT        "elf32-or32"
37#endif
38
39OUTPUT_FORMAT(__OUTPUT_FORMAT, __OUTPUT_FORMAT, __OUTPUT_FORMAT)
40jiffies = jiffies_64 + 4;
41
42SECTIONS
43{
44        /* Read-only sections, merged into text segment: */
45        . = LOAD_BASE ;
46
47	_text = .;
48
49	/* _s_kernel_ro must be page aligned */
50	. = ALIGN(PAGE_SIZE);
51	_s_kernel_ro = .;
52
53        .text                   : AT(ADDR(.text) - LOAD_OFFSET)
54	{
55          _stext = .;
56	  TEXT_TEXT
57	  SCHED_TEXT
58	  CPUIDLE_TEXT
59	  LOCK_TEXT
60	  KPROBES_TEXT
61	  IRQENTRY_TEXT
62	  SOFTIRQENTRY_TEXT
63	  *(.fixup)
64	  *(.text.__*)
65	  _etext = .;
66	}
67	/* TODO: Check if fixup and text.__* are really necessary
68	 * fixup is definitely necessary
69	 */
70
71	_sdata = .;
72
73	/* Page alignment required for RO_DATA_SECTION */
74	RO_DATA_SECTION(PAGE_SIZE)
75	_e_kernel_ro = .;
76
77	/* Whatever comes after _e_kernel_ro had better be page-aligend, too */
78
79	/* 32 here is cacheline size... recheck this */
80	RW_DATA_SECTION(32, PAGE_SIZE, PAGE_SIZE)
81
82        _edata  =  .;
83
84	EXCEPTION_TABLE(4)
85	NOTES
86
87	/* Init code and data */
88	. = ALIGN(PAGE_SIZE);
89	__init_begin = .;
90
91	HEAD_TEXT_SECTION
92
93	/* Page aligned */
94	INIT_TEXT_SECTION(PAGE_SIZE)
95
96	/* Align __setup_start on 16 byte boundary */
97	INIT_DATA_SECTION(16)
98
99	PERCPU_SECTION(L1_CACHE_BYTES)
100
101        __init_end = .;
102
103	. = ALIGN(PAGE_SIZE);
104	.initrd			: AT(ADDR(.initrd) - LOAD_OFFSET)
105	{
106		__initrd_start = .;
107		*(.initrd)
108		__initrd_end = .;
109		FILL (0);
110                . = ALIGN (PAGE_SIZE);
111	}
112
113        __vmlinux_end = .;            /* last address of the physical file */
114
115	BSS_SECTION(0, 0, 0x20)
116
117        _end = .;
118
119	/* Throw in the debugging sections */
120	STABS_DEBUG
121	DWARF_DEBUG
122
123        /* Sections to be discarded -- must be last */
124	DISCARDS
125}
126