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	  LOCK_TEXT
51	  KPROBES_TEXT
52	  IRQENTRY_TEXT
53	  *(.fixup)
54	  *(.text.__*)
55	  _etext = .;
56	}
57	/* TODO: Check if fixup and text.__* are really necessary
58	 * fixup is definitely necessary
59	 */
60
61	_sdata = .;
62
63	/* Page alignment required for RO_DATA_SECTION */
64	RO_DATA_SECTION(PAGE_SIZE)
65	_e_kernel_ro = .;
66
67	/* Whatever comes after _e_kernel_ro had better be page-aligend, too */
68
69	/* 32 here is cacheline size... recheck this */
70	RW_DATA_SECTION(32, PAGE_SIZE, PAGE_SIZE)
71
72        _edata  =  .;
73
74	EXCEPTION_TABLE(4)
75	NOTES
76
77	/* Init code and data */
78	. = ALIGN(PAGE_SIZE);
79	__init_begin = .;
80
81	HEAD_TEXT_SECTION
82
83	/* Page aligned */
84	INIT_TEXT_SECTION(PAGE_SIZE)
85
86	/* Align __setup_start on 16 byte boundary */
87	INIT_DATA_SECTION(16)
88
89	PERCPU_SECTION(L1_CACHE_BYTES)
90
91        __init_end = .;
92
93	. = ALIGN(PAGE_SIZE);
94	.initrd			: AT(ADDR(.initrd) - LOAD_OFFSET)
95	{
96		__initrd_start = .;
97		*(.initrd)
98		__initrd_end = .;
99		FILL (0);
100                . = ALIGN (PAGE_SIZE);
101	}
102
103        __vmlinux_end = .;            /* last address of the physical file */
104
105	BSS_SECTION(0, 0, 0x20)
106
107        _end = .;
108
109	/* Throw in the debugging sections */
110	STABS_DEBUG
111	DWARF_DEBUG
112
113        /* Sections to be discarded -- must be last */
114	DISCARDS
115}
116