Merge commit 'v2.6.34-rc2' into perf/core
[linux-2.6-block.git] / arch / blackfin / kernel / vmlinux.lds.S
CommitLineData
1394f032 1/*
96f1050d 2 * Copyright 2004-2009 Analog Devices Inc.
1394f032 3 *
96f1050d 4 * Licensed under the GPL-2 or later
1394f032
BW
5 */
6
1394f032
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7#include <asm-generic/vmlinux.lds.h>
8#include <asm/mem_map.h>
520473b0 9#include <asm/page.h>
0fa63ad7 10#include <asm/thread_info.h>
1394f032 11
1394f032
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12OUTPUT_FORMAT("elf32-bfin")
13ENTRY(__start)
14_jiffies = _jiffies_64;
15
1394f032
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16SECTIONS
17{
d86bfb16 18#ifdef CONFIG_RAMKERNEL
1394f032 19 . = CONFIG_BOOT_LOAD;
d86bfb16
BS
20#else
21 . = CONFIG_ROM_BASE;
22#endif
23
b7627acc
MF
24 /* Neither the text, ro_data or bss section need to be aligned
25 * So pack them back to back
26 */
1394f032
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27 .text :
28 {
de6a9520
MF
29 __text = .;
30 _text = .;
31 __stext = .;
7664709b 32 TEXT_TEXT
b8d0c778 33#ifndef CONFIG_SCHEDULE_L1
1394f032 34 SCHED_TEXT
b8d0c778 35#endif
de6a9520 36 LOCK_TEXT
1ee76d7e 37 IRQENTRY_TEXT
27d875f2 38 KPROBES_TEXT
d86bfb16
BS
39#ifdef CONFIG_ROMKERNEL
40 __sinittext = .;
41 INIT_TEXT
42 __einittext = .;
43 EXIT_TEXT
44#endif
27d875f2 45 *(.text.*)
de6a9520
MF
46 *(.fixup)
47
bc6e0fa1
MF
48#if !L1_CODE_LENGTH
49 *(.l1.text)
50#endif
51
1394f032 52 . = ALIGN(16);
de6a9520 53 ___start___ex_table = .;
1394f032 54 *(__ex_table)
de6a9520 55 ___stop___ex_table = .;
1394f032 56
1394f032 57 __etext = .;
de6a9520
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58 }
59
6f985294
BS
60 NOTES
61
b7627acc
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62 /* Just in case the first read only is a 32-bit access */
63 RO_DATA(4)
d86bfb16 64 __rodata_end = .;
b7627acc 65
d86bfb16
BS
66#ifdef CONFIG_ROMKERNEL
67 . = CONFIG_BOOT_LOAD;
68 .bss : AT(__rodata_end)
69#else
b7627acc 70 .bss :
d86bfb16 71#endif
b7627acc
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72 {
73 . = ALIGN(4);
74 ___bss_start = .;
75 *(.bss .bss.*)
76 *(COMMON)
bc6e0fa1
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77#if !L1_DATA_A_LENGTH
78 *(.l1.bss)
79#endif
80#if !L1_DATA_B_LENGTH
81 *(.l1.bss.B)
82#endif
13752046 83 . = ALIGN(4);
b7627acc
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84 ___bss_stop = .;
85 }
de6a9520 86
d86bfb16
BS
87#if defined(CONFIG_ROMKERNEL)
88 .data : AT(LOADADDR(.bss) + SIZEOF(.bss))
89#else
de6a9520 90 .data :
d86bfb16 91#endif
de6a9520
MF
92 {
93 __sdata = .;
b7627acc 94 /* This gets done first, so the glob doesn't suck it in */
4a5e3513 95 CACHELINE_ALIGNED_DATA(32)
de6a9520 96
b85b82d9
SZ
97#if !L1_DATA_A_LENGTH
98 . = ALIGN(32);
99 *(.data_l1.cacheline_aligned)
bc6e0fa1
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100 *(.l1.data)
101#endif
102#if !L1_DATA_B_LENGTH
103 *(.l1.data.B)
b85b82d9 104#endif
07aa7be5 105#if !L2_LENGTH
262c3825
SZ
106 . = ALIGN(32);
107 *(.data_l2.cacheline_aligned)
108 *(.l2.data)
109#endif
b85b82d9 110
27d875f2 111 DATA_DATA
27d875f2
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112 CONSTRUCTORS
113
4a5e3513 114 INIT_TASK_DATA(THREAD_SIZE)
b7627acc 115
de6a9520
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116 __edata = .;
117 }
d86bfb16
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118 __data_lma = LOADADDR(.data);
119 __data_len = SIZEOF(.data);
1394f032 120
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121 /* The init section should be last, so when we free it, it goes into
122 * the general memory pool, and (hopefully) will decrease fragmentation
123 * a tiny bit. The init section has a _requirement_ that it be
124 * PAGE_SIZE aligned
125 */
126 . = ALIGN(PAGE_SIZE);
de6a9520 127 ___init_begin = .;
27d875f2 128
d86bfb16 129#ifdef CONFIG_RAMKERNEL
4a5e3513 130 INIT_TEXT_SECTION(PAGE_SIZE)
70f12567 131
0afc272c 132 /* We have to discard exit text and such at runtime, not link time, to
70f12567 133 * handle embedded cross-section references (alt instructions, bug
0afc272c
JZ
134 * table, eh_frame, etc...). We need all of our .text up front and
135 * .data after it for PCREL call issues.
70f12567
MF
136 */
137 .exit.text :
138 {
139 EXIT_TEXT
140 }
0afc272c
JZ
141
142 . = ALIGN(16);
143 INIT_DATA_SECTION(16)
144 PERCPU(4)
145
70f12567
MF
146 .exit.data :
147 {
148 EXIT_DATA
149 }
150
4a5e3513 151 .text_l1 L1_CODE_START : AT(LOADADDR(.exit.data) + SIZEOF(.exit.data))
d86bfb16
BS
152#else
153 .init.data : AT(__data_lma + __data_len)
154 {
155 __sinitdata = .;
156 INIT_DATA
157 INIT_SETUP(16)
158 INIT_CALLS
159 CON_INITCALL
160 SECURITY_INITCALL
161 INIT_RAM_FS
162
163 . = ALIGN(4);
164 ___per_cpu_load = .;
165 ___per_cpu_start = .;
166 *(.data.percpu.first)
167 *(.data.percpu.page_aligned)
168 *(.data.percpu)
169 *(.data.percpu.shared_aligned)
170 ___per_cpu_end = .;
171
172 EXIT_DATA
173 __einitdata = .;
174 }
175 __init_data_lma = LOADADDR(.init.data);
176 __init_data_len = SIZEOF(.init.data);
177 __init_data_end = .;
178
179 .text_l1 L1_CODE_START : AT(__init_data_lma + __init_data_len)
180#endif
1394f032
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181 {
182 . = ALIGN(4);
de6a9520 183 __stext_l1 = .;
bc6e0fa1 184 *(.l1.text)
b8d0c778
RG
185#ifdef CONFIG_SCHEDULE_L1
186 SCHED_TEXT
187#endif
1394f032 188 . = ALIGN(4);
de6a9520
MF
189 __etext_l1 = .;
190 }
5cd82a6d
MF
191 __text_l1_lma = LOADADDR(.text_l1);
192 __text_l1_len = SIZEOF(.text_l1);
193 ASSERT (__text_l1_len <= L1_CODE_LENGTH, "L1 text overflow!")
1394f032 194
5cd82a6d 195 .data_l1 L1_DATA_A_START : AT(__text_l1_lma + __text_l1_len)
1394f032
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196 {
197 . = ALIGN(4);
de6a9520 198 __sdata_l1 = .;
bc6e0fa1 199 *(.l1.data)
de6a9520 200 __edata_l1 = .;
1394f032 201
1394f032 202 . = ALIGN(32);
bc6e0fa1 203 *(.data_l1.cacheline_aligned)
1394f032 204
262c3825
SZ
205 . = ALIGN(4);
206 __sbss_l1 = .;
207 *(.l1.bss)
1394f032 208 . = ALIGN(4);
de6a9520
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209 __ebss_l1 = .;
210 }
5cd82a6d
MF
211 __data_l1_lma = LOADADDR(.data_l1);
212 __data_l1_len = SIZEOF(.data_l1);
213 ASSERT (__data_l1_len <= L1_DATA_A_LENGTH, "L1 data A overflow!")
de6a9520 214
5cd82a6d 215 .data_b_l1 L1_DATA_B_START : AT(__data_l1_lma + __data_l1_len)
1394f032
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216 {
217 . = ALIGN(4);
218 __sdata_b_l1 = .;
bc6e0fa1 219 *(.l1.data.B)
1394f032
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220 __edata_b_l1 = .;
221
222 . = ALIGN(4);
223 __sbss_b_l1 = .;
bc6e0fa1 224 *(.l1.bss.B)
1394f032
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225 . = ALIGN(4);
226 __ebss_b_l1 = .;
de6a9520 227 }
5cd82a6d
MF
228 __data_b_l1_lma = LOADADDR(.data_b_l1);
229 __data_b_l1_len = SIZEOF(.data_b_l1);
230 ASSERT (__data_b_l1_len <= L1_DATA_B_LENGTH, "L1 data B overflow!")
262c3825 231
5cd82a6d 232 .text_data_l2 L2_START : AT(__data_b_l1_lma + __data_b_l1_len)
262c3825
SZ
233 {
234 . = ALIGN(4);
235 __stext_l2 = .;
07aa7be5 236 *(.l2.text)
262c3825
SZ
237 . = ALIGN(4);
238 __etext_l2 = .;
239
240 . = ALIGN(4);
241 __sdata_l2 = .;
07aa7be5 242 *(.l2.data)
262c3825
SZ
243 __edata_l2 = .;
244
245 . = ALIGN(32);
246 *(.data_l2.cacheline_aligned)
247
248 . = ALIGN(4);
249 __sbss_l2 = .;
07aa7be5 250 *(.l2.bss)
262c3825
SZ
251 . = ALIGN(4);
252 __ebss_l2 = .;
253 }
5cd82a6d
MF
254 __l2_lma = LOADADDR(.text_data_l2);
255 __l2_len = SIZEOF(.text_data_l2);
256 ASSERT (__l2_len <= L2_LENGTH, "L2 overflow!")
6f985294 257
36208059
MF
258 /* Force trailing alignment of our init section so that when we
259 * free our init memory, we don't leave behind a partial page.
260 */
d86bfb16 261#ifdef CONFIG_RAMKERNEL
5cd82a6d 262 . = __l2_lma + __l2_len;
d86bfb16
BS
263#else
264 . = __init_data_end;
265#endif
36208059
MF
266 . = ALIGN(PAGE_SIZE);
267 ___init_end = .;
268
b7627acc 269 __end =.;
de6a9520 270
c11b5776
MF
271 STABS_DEBUG
272
273 DWARF_DEBUG
274
023bf6f1 275 DISCARDS
1394f032 276}