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Vineet Guptacfdbc2e2013-01-18 15:12:20 +05301/*
2 * Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License version 2 as
6 * published by the Free Software Foundation.
7 */
8
9#include <asm-generic/vmlinux.lds.h>
10#include <asm/cache.h>
11#include <asm/page.h>
12#include <asm/thread_info.h>
Vineet Guptacfdbc2e2013-01-18 15:12:20 +053013
14OUTPUT_ARCH(arc)
15ENTRY(_stext)
16
17#ifdef CONFIG_CPU_BIG_ENDIAN
18jiffies = jiffies_64 + 4;
19#else
20jiffies = jiffies_64;
21#endif
22
23SECTIONS
24{
Vineet Gupta8b5850f2013-01-18 15:12:25 +053025 /*
26 * ICCM starts at 0x8000_0000. So if kernel is relocated to some other
27 * address, make sure peripheral at 0x8z doesn't clash with ICCM
28 * Essentially vector is also in ICCM.
29 */
30
Vineet Guptacfdbc2e2013-01-18 15:12:20 +053031 . = CONFIG_LINUX_LINK_BASE;
32
33 _int_vec_base_lds = .;
34 .vector : {
35 *(.vector)
36 . = ALIGN(PAGE_SIZE);
37 }
38
Vineet Gupta8b5850f2013-01-18 15:12:25 +053039#ifdef CONFIG_ARC_HAS_ICCM
40 .text.arcfp : {
41 *(.text.arcfp)
42 . = ALIGN(CONFIG_ARC_ICCM_SZ * 1024);
43 }
44#endif
45
Vineet Guptacfdbc2e2013-01-18 15:12:20 +053046 /*
47 * The reason for having a seperate subsection .init.ramfs is to
48 * prevent objump from including it in kernel dumps
49 *
50 * Reason for having .init.ramfs above .init is to make sure that the
51 * binary blob is tucked away to one side, reducing the displacement
52 * between .init.text and .text, avoiding any possible relocation
53 * errors because of calls from .init.text to .text
54 * Yes such calls do exist. e.g.
55 * decompress_inflate.c:gunzip( ) -> zlib_inflate_workspace( )
56 */
57
58 __init_begin = .;
59
60 .init.ramfs : { INIT_RAM_FS }
61
62 . = ALIGN(PAGE_SIZE);
63 _stext = .;
64
65 HEAD_TEXT_SECTION
66 INIT_TEXT_SECTION(L1_CACHE_BYTES)
67
68 /* INIT_DATA_SECTION open-coded: special INIT_RAM_FS handling */
69 .init.data : {
70 INIT_DATA
71 INIT_SETUP(L1_CACHE_BYTES)
72 INIT_CALLS
73 CON_INITCALL
74 SECURITY_INITCALL
75 }
76
Vineet Gupta03a6d282013-01-18 15:12:26 +053077 .init.arch.info : {
78 __arch_info_begin = .;
79 *(.arch.info.init)
80 __arch_info_end = .;
81 }
82
Vineet Guptacfdbc2e2013-01-18 15:12:20 +053083 PERCPU_SECTION(L1_CACHE_BYTES)
84
85 /*
86 * .exit.text is discard at runtime, not link time, to deal with
87 * references from .debug_frame
88 * It will be init freed, being inside [__init_start : __init_end]
89 */
90 .exit.text : { EXIT_TEXT }
91 .exit.data : { EXIT_DATA }
92
93 . = ALIGN(PAGE_SIZE);
94 __init_end = .;
95
96 .text : {
97 _text = .;
98 TEXT_TEXT
99 SCHED_TEXT
100 LOCK_TEXT
101 KPROBES_TEXT
102 *(.fixup)
103 *(.gnu.warning)
104 }
105 EXCEPTION_TABLE(L1_CACHE_BYTES)
106 _etext = .;
107
108 _sdata = .;
109 RO_DATA_SECTION(PAGE_SIZE)
110
111 /*
112 * 1. this is .data essentially
113 * 2. THREAD_SIZE for init.task, must be kernel-stk sz aligned
114 */
115 RW_DATA_SECTION(L1_CACHE_BYTES, PAGE_SIZE, THREAD_SIZE)
116
117 _edata = .;
118
119 BSS_SECTION(0, 0, 0)
120
Vineet Gupta854a0d92013-01-22 17:03:19 +0530121#ifdef CONFIG_ARC_DW2_UNWIND
122 . = ALIGN(PAGE_SIZE);
123 .debug_frame : {
124 __start_unwind = .;
125 *(.debug_frame)
126 __end_unwind = .;
127 }
128#else
129 /DISCARD/ : { *(.debug_frame) }
130#endif
131
Vineet Guptacfdbc2e2013-01-18 15:12:20 +0530132 NOTES
133
134 . = ALIGN(PAGE_SIZE);
135 _end = . ;
136
137 STABS_DEBUG
Vineet Guptacfdbc2e2013-01-18 15:12:20 +0530138 DISCARDS
139
140 .arcextmap 0 : {
141 *(.gnu.linkonce.arcextmap.*)
142 *(.arcextmap.*)
143 }
Vineet Gupta854a0d92013-01-22 17:03:19 +0530144
145 /* open-coded because we need .debug_frame seperately for unwinding */
146 .debug_aranges 0 : { *(.debug_aranges) }
147 .debug_pubnames 0 : { *(.debug_pubnames) }
148 .debug_info 0 : { *(.debug_info) }
149 .debug_abbrev 0 : { *(.debug_abbrev) }
150 .debug_line 0 : { *(.debug_line) }
151 .debug_str 0 : { *(.debug_str) }
152 .debug_loc 0 : { *(.debug_loc) }
153 .debug_macinfo 0 : { *(.debug_macinfo) }
154
Vineet Gupta8b5850f2013-01-18 15:12:25 +0530155#ifdef CONFIG_ARC_HAS_DCCM
156 . = CONFIG_ARC_DCCM_BASE;
157 __arc_dccm_base = .;
158 .data.arcfp : {
159 *(.data.arcfp)
160 }
161 . = ALIGN(CONFIG_ARC_DCCM_SZ * 1024);
162#endif
Vineet Guptacfdbc2e2013-01-18 15:12:20 +0530163}