Commit | Line | Data |
---|---|---|
1394f032 BW |
1 | /* |
2 | * File: arch/blackfin/kernel/vmlinux.lds.S | |
3 | * Based on: none - original work | |
4 | * Author: | |
5 | * | |
6 | * Created: Tue Sep 21 2004 | |
7 | * Description: Master linker script for blackfin architecture | |
8 | * | |
9 | * Modified: | |
de6a9520 | 10 | * Copyright 2004-2007 Analog Devices Inc. |
1394f032 BW |
11 | * |
12 | * Bugs: Enter bugs at http://blackfin.uclinux.org/ | |
13 | * | |
14 | * This program is free software; you can redistribute it and/or modify | |
15 | * it under the terms of the GNU General Public License as published by | |
16 | * the Free Software Foundation; either version 2 of the License, or | |
17 | * (at your option) any later version. | |
18 | * | |
19 | * This program is distributed in the hope that it will be useful, | |
20 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
21 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
22 | * GNU General Public License for more details. | |
23 | * | |
24 | * You should have received a copy of the GNU General Public License | |
25 | * along with this program; if not, see the file COPYING, or write | |
26 | * to the Free Software Foundation, Inc., | |
27 | * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
28 | */ | |
29 | ||
30 | #define VMLINUX_SYMBOL(_sym_) _##_sym_ | |
31 | ||
32 | #include <asm-generic/vmlinux.lds.h> | |
33 | #include <asm/mem_map.h> | |
520473b0 | 34 | #include <asm/page.h> |
0fa63ad7 | 35 | #include <asm/thread_info.h> |
1394f032 | 36 | |
1394f032 BW |
37 | OUTPUT_FORMAT("elf32-bfin") |
38 | ENTRY(__start) | |
39 | _jiffies = _jiffies_64; | |
40 | ||
1394f032 BW |
41 | SECTIONS |
42 | { | |
43 | . = CONFIG_BOOT_LOAD; | |
b7627acc MF |
44 | /* Neither the text, ro_data or bss section need to be aligned |
45 | * So pack them back to back | |
46 | */ | |
1394f032 BW |
47 | .text : |
48 | { | |
de6a9520 MF |
49 | __text = .; |
50 | _text = .; | |
51 | __stext = .; | |
7664709b | 52 | TEXT_TEXT |
1394f032 | 53 | SCHED_TEXT |
de6a9520 | 54 | LOCK_TEXT |
27d875f2 MF |
55 | KPROBES_TEXT |
56 | *(.text.*) | |
de6a9520 MF |
57 | *(.fixup) |
58 | ||
bc6e0fa1 MF |
59 | #if !L1_CODE_LENGTH |
60 | *(.l1.text) | |
61 | #endif | |
62 | ||
1394f032 | 63 | . = ALIGN(16); |
de6a9520 | 64 | ___start___ex_table = .; |
1394f032 | 65 | *(__ex_table) |
de6a9520 | 66 | ___stop___ex_table = .; |
1394f032 | 67 | |
1394f032 | 68 | __etext = .; |
de6a9520 MF |
69 | } |
70 | ||
b7627acc MF |
71 | /* Just in case the first read only is a 32-bit access */ |
72 | RO_DATA(4) | |
73 | ||
74 | .bss : | |
75 | { | |
76 | . = ALIGN(4); | |
77 | ___bss_start = .; | |
78 | *(.bss .bss.*) | |
79 | *(COMMON) | |
bc6e0fa1 MF |
80 | #if !L1_DATA_A_LENGTH |
81 | *(.l1.bss) | |
82 | #endif | |
83 | #if !L1_DATA_B_LENGTH | |
84 | *(.l1.bss.B) | |
85 | #endif | |
13752046 | 86 | . = ALIGN(4); |
b7627acc MF |
87 | ___bss_stop = .; |
88 | } | |
de6a9520 MF |
89 | |
90 | .data : | |
91 | { | |
92 | __sdata = .; | |
b7627acc | 93 | /* This gets done first, so the glob doesn't suck it in */ |
de6a9520 MF |
94 | . = ALIGN(32); |
95 | *(.data.cacheline_aligned) | |
96 | ||
b85b82d9 SZ |
97 | #if !L1_DATA_A_LENGTH |
98 | . = ALIGN(32); | |
99 | *(.data_l1.cacheline_aligned) | |
bc6e0fa1 MF |
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 MF |
112 | CONSTRUCTORS |
113 | ||
b7627acc MF |
114 | /* make sure the init_task is aligned to the |
115 | * kernel thread size so we can locate the kernel | |
116 | * stack properly and quickly. | |
117 | */ | |
0fa63ad7 | 118 | . = ALIGN(THREAD_SIZE); |
b7627acc MF |
119 | *(.init_task.data) |
120 | ||
de6a9520 MF |
121 | __edata = .; |
122 | } | |
1394f032 | 123 | |
b7627acc MF |
124 | /* The init section should be last, so when we free it, it goes into |
125 | * the general memory pool, and (hopefully) will decrease fragmentation | |
126 | * a tiny bit. The init section has a _requirement_ that it be | |
127 | * PAGE_SIZE aligned | |
128 | */ | |
129 | . = ALIGN(PAGE_SIZE); | |
de6a9520 | 130 | ___init_begin = .; |
27d875f2 MF |
131 | |
132 | .init.text : | |
1394f032 | 133 | { |
0fa63ad7 | 134 | . = ALIGN(PAGE_SIZE); |
1394f032 | 135 | __sinittext = .; |
01ba2bdc | 136 | INIT_TEXT |
1394f032 | 137 | __einittext = .; |
27d875f2 MF |
138 | } |
139 | .init.data : | |
140 | { | |
141 | . = ALIGN(16); | |
01ba2bdc | 142 | INIT_DATA |
27d875f2 MF |
143 | } |
144 | .init.setup : | |
145 | { | |
1394f032 BW |
146 | . = ALIGN(16); |
147 | ___setup_start = .; | |
148 | *(.init.setup) | |
149 | ___setup_end = .; | |
27d875f2 MF |
150 | } |
151 | .initcall.init : | |
152 | { | |
1394f032 BW |
153 | ___initcall_start = .; |
154 | INITCALLS | |
155 | ___initcall_end = .; | |
27d875f2 MF |
156 | } |
157 | .con_initcall.init : | |
158 | { | |
1394f032 BW |
159 | ___con_initcall_start = .; |
160 | *(.con_initcall.init) | |
161 | ___con_initcall_end = .; | |
27d875f2 | 162 | } |
46fa5eec | 163 | PERCPU(4) |
27d875f2 MF |
164 | SECURITY_INIT |
165 | .init.ramfs : | |
166 | { | |
1394f032 BW |
167 | . = ALIGN(4); |
168 | ___initramfs_start = .; | |
169 | *(.init.ramfs) | |
170 | ___initramfs_end = .; | |
de6a9520 | 171 | } |
1394f032 | 172 | |
de6a9520 | 173 | __l1_lma_start = .; |
1394f032 | 174 | |
27d875f2 | 175 | .text_l1 L1_CODE_START : AT(LOADADDR(.init.ramfs) + SIZEOF(.init.ramfs)) |
1394f032 BW |
176 | { |
177 | . = ALIGN(4); | |
de6a9520 | 178 | __stext_l1 = .; |
bc6e0fa1 | 179 | *(.l1.text) |
1394f032 | 180 | . = ALIGN(4); |
de6a9520 MF |
181 | __etext_l1 = .; |
182 | } | |
1394f032 | 183 | |
de6a9520 | 184 | .data_l1 L1_DATA_A_START : AT(LOADADDR(.text_l1) + SIZEOF(.text_l1)) |
1394f032 BW |
185 | { |
186 | . = ALIGN(4); | |
de6a9520 | 187 | __sdata_l1 = .; |
bc6e0fa1 | 188 | *(.l1.data) |
de6a9520 | 189 | __edata_l1 = .; |
1394f032 | 190 | |
1394f032 | 191 | . = ALIGN(32); |
bc6e0fa1 | 192 | *(.data_l1.cacheline_aligned) |
1394f032 | 193 | |
262c3825 SZ |
194 | . = ALIGN(4); |
195 | __sbss_l1 = .; | |
196 | *(.l1.bss) | |
1394f032 | 197 | . = ALIGN(4); |
de6a9520 MF |
198 | __ebss_l1 = .; |
199 | } | |
200 | ||
201 | .data_b_l1 L1_DATA_B_START : AT(LOADADDR(.data_l1) + SIZEOF(.data_l1)) | |
1394f032 BW |
202 | { |
203 | . = ALIGN(4); | |
204 | __sdata_b_l1 = .; | |
bc6e0fa1 | 205 | *(.l1.data.B) |
1394f032 BW |
206 | __edata_b_l1 = .; |
207 | ||
208 | . = ALIGN(4); | |
209 | __sbss_b_l1 = .; | |
bc6e0fa1 | 210 | *(.l1.bss.B) |
1394f032 BW |
211 | . = ALIGN(4); |
212 | __ebss_b_l1 = .; | |
de6a9520 | 213 | } |
1394f032 | 214 | |
262c3825 SZ |
215 | __l2_lma_start = .; |
216 | ||
217 | .text_data_l2 L2_START : AT(LOADADDR(.data_b_l1) + SIZEOF(.data_b_l1)) | |
218 | { | |
219 | . = ALIGN(4); | |
220 | __stext_l2 = .; | |
07aa7be5 | 221 | *(.l2.text) |
262c3825 SZ |
222 | . = ALIGN(4); |
223 | __etext_l2 = .; | |
224 | ||
225 | . = ALIGN(4); | |
226 | __sdata_l2 = .; | |
07aa7be5 | 227 | *(.l2.data) |
262c3825 SZ |
228 | __edata_l2 = .; |
229 | ||
230 | . = ALIGN(32); | |
231 | *(.data_l2.cacheline_aligned) | |
232 | ||
233 | . = ALIGN(4); | |
234 | __sbss_l2 = .; | |
07aa7be5 | 235 | *(.l2.bss) |
262c3825 SZ |
236 | . = ALIGN(4); |
237 | __ebss_l2 = .; | |
238 | } | |
36208059 MF |
239 | /* Force trailing alignment of our init section so that when we |
240 | * free our init memory, we don't leave behind a partial page. | |
241 | */ | |
242 | . = LOADADDR(.data_b_l1) + SIZEOF(.data_b_l1); | |
243 | . = ALIGN(PAGE_SIZE); | |
244 | ___init_end = .; | |
245 | ||
b7627acc | 246 | __end =.; |
de6a9520 | 247 | |
c11b5776 MF |
248 | STABS_DEBUG |
249 | ||
250 | DWARF_DEBUG | |
251 | ||
de6a9520 MF |
252 | /DISCARD/ : |
253 | { | |
01ba2bdc SR |
254 | EXIT_TEXT |
255 | EXIT_DATA | |
de6a9520 MF |
256 | *(.exitcall.exit) |
257 | } | |
1394f032 | 258 | } |