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