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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 | ||
1394f032 | 59 | . = ALIGN(16); |
de6a9520 | 60 | ___start___ex_table = .; |
1394f032 | 61 | *(__ex_table) |
de6a9520 | 62 | ___stop___ex_table = .; |
1394f032 | 63 | |
1394f032 | 64 | __etext = .; |
de6a9520 MF |
65 | } |
66 | ||
b7627acc MF |
67 | /* Just in case the first read only is a 32-bit access */ |
68 | RO_DATA(4) | |
69 | ||
70 | .bss : | |
71 | { | |
72 | . = ALIGN(4); | |
73 | ___bss_start = .; | |
74 | *(.bss .bss.*) | |
75 | *(COMMON) | |
76 | ___bss_stop = .; | |
77 | } | |
de6a9520 MF |
78 | |
79 | .data : | |
80 | { | |
81 | __sdata = .; | |
b7627acc | 82 | /* This gets done first, so the glob doesn't suck it in */ |
de6a9520 MF |
83 | . = ALIGN(32); |
84 | *(.data.cacheline_aligned) | |
85 | ||
27d875f2 MF |
86 | DATA_DATA |
87 | *(.data.*) | |
88 | CONSTRUCTORS | |
89 | ||
b7627acc MF |
90 | /* make sure the init_task is aligned to the |
91 | * kernel thread size so we can locate the kernel | |
92 | * stack properly and quickly. | |
93 | */ | |
0fa63ad7 | 94 | . = ALIGN(THREAD_SIZE); |
b7627acc MF |
95 | *(.init_task.data) |
96 | ||
de6a9520 MF |
97 | __edata = .; |
98 | } | |
1394f032 | 99 | |
b7627acc MF |
100 | /* The init section should be last, so when we free it, it goes into |
101 | * the general memory pool, and (hopefully) will decrease fragmentation | |
102 | * a tiny bit. The init section has a _requirement_ that it be | |
103 | * PAGE_SIZE aligned | |
104 | */ | |
105 | . = ALIGN(PAGE_SIZE); | |
de6a9520 | 106 | ___init_begin = .; |
27d875f2 MF |
107 | |
108 | .init.text : | |
1394f032 | 109 | { |
0fa63ad7 | 110 | . = ALIGN(PAGE_SIZE); |
1394f032 | 111 | __sinittext = .; |
01ba2bdc | 112 | INIT_TEXT |
1394f032 | 113 | __einittext = .; |
27d875f2 MF |
114 | } |
115 | .init.data : | |
116 | { | |
117 | . = ALIGN(16); | |
01ba2bdc | 118 | INIT_DATA |
27d875f2 MF |
119 | } |
120 | .init.setup : | |
121 | { | |
1394f032 BW |
122 | . = ALIGN(16); |
123 | ___setup_start = .; | |
124 | *(.init.setup) | |
125 | ___setup_end = .; | |
27d875f2 MF |
126 | } |
127 | .initcall.init : | |
128 | { | |
1394f032 BW |
129 | ___initcall_start = .; |
130 | INITCALLS | |
131 | ___initcall_end = .; | |
27d875f2 MF |
132 | } |
133 | .con_initcall.init : | |
134 | { | |
1394f032 BW |
135 | ___con_initcall_start = .; |
136 | *(.con_initcall.init) | |
137 | ___con_initcall_end = .; | |
27d875f2 MF |
138 | } |
139 | SECURITY_INIT | |
140 | .init.ramfs : | |
141 | { | |
1394f032 BW |
142 | . = ALIGN(4); |
143 | ___initramfs_start = .; | |
144 | *(.init.ramfs) | |
145 | ___initramfs_end = .; | |
de6a9520 | 146 | } |
1394f032 | 147 | |
de6a9520 | 148 | __l1_lma_start = .; |
1394f032 | 149 | |
8b07a2a1 MF |
150 | #if L1_CODE_LENGTH |
151 | # define LDS_L1_CODE *(.l1.text) | |
152 | #else | |
153 | # define LDS_L1_CODE | |
154 | #endif | |
27d875f2 | 155 | .text_l1 L1_CODE_START : AT(LOADADDR(.init.ramfs) + SIZEOF(.init.ramfs)) |
1394f032 BW |
156 | { |
157 | . = ALIGN(4); | |
de6a9520 | 158 | __stext_l1 = .; |
8b07a2a1 | 159 | LDS_L1_CODE |
1394f032 | 160 | . = ALIGN(4); |
de6a9520 MF |
161 | __etext_l1 = .; |
162 | } | |
1394f032 | 163 | |
8b07a2a1 MF |
164 | #if L1_DATA_A_LENGTH |
165 | # define LDS_L1_A_DATA *(.l1.data) | |
166 | # define LDS_L1_A_BSS *(.l1.bss) | |
167 | # define LDS_L1_A_CACHE *(.data_l1.cacheline_aligned) | |
168 | #else | |
169 | # define LDS_L1_A_DATA | |
170 | # define LDS_L1_A_BSS | |
171 | # define LDS_L1_A_CACHE | |
172 | #endif | |
de6a9520 | 173 | .data_l1 L1_DATA_A_START : AT(LOADADDR(.text_l1) + SIZEOF(.text_l1)) |
1394f032 BW |
174 | { |
175 | . = ALIGN(4); | |
de6a9520 | 176 | __sdata_l1 = .; |
8b07a2a1 | 177 | LDS_L1_A_DATA |
de6a9520 | 178 | __edata_l1 = .; |
1394f032 BW |
179 | |
180 | . = ALIGN(4); | |
de6a9520 | 181 | __sbss_l1 = .; |
8b07a2a1 | 182 | LDS_L1_A_BSS |
1394f032 BW |
183 | |
184 | . = ALIGN(32); | |
8b07a2a1 | 185 | LDS_L1_A_CACHE |
1394f032 BW |
186 | |
187 | . = ALIGN(4); | |
de6a9520 MF |
188 | __ebss_l1 = .; |
189 | } | |
190 | ||
8b07a2a1 MF |
191 | #if L1_DATA_B_LENGTH |
192 | # define LDS_L1_B_DATA *(.l1.data.B) | |
193 | # define LDS_L1_B_BSS *(.l1.bss.B) | |
194 | #else | |
195 | # define LDS_L1_B_DATA | |
196 | # define LDS_L1_B_BSS | |
197 | #endif | |
de6a9520 | 198 | .data_b_l1 L1_DATA_B_START : AT(LOADADDR(.data_l1) + SIZEOF(.data_l1)) |
1394f032 BW |
199 | { |
200 | . = ALIGN(4); | |
201 | __sdata_b_l1 = .; | |
8b07a2a1 | 202 | LDS_L1_B_DATA |
1394f032 BW |
203 | __edata_b_l1 = .; |
204 | ||
205 | . = ALIGN(4); | |
206 | __sbss_b_l1 = .; | |
8b07a2a1 | 207 | LDS_L1_B_BSS |
1394f032 BW |
208 | |
209 | . = ALIGN(4); | |
210 | __ebss_b_l1 = .; | |
de6a9520 | 211 | } |
1394f032 | 212 | |
36208059 MF |
213 | /* Force trailing alignment of our init section so that when we |
214 | * free our init memory, we don't leave behind a partial page. | |
215 | */ | |
216 | . = LOADADDR(.data_b_l1) + SIZEOF(.data_b_l1); | |
217 | . = ALIGN(PAGE_SIZE); | |
218 | ___init_end = .; | |
219 | ||
b7627acc | 220 | __end =.; |
de6a9520 | 221 | |
c11b5776 MF |
222 | STABS_DEBUG |
223 | ||
224 | DWARF_DEBUG | |
225 | ||
de6a9520 MF |
226 | /DISCARD/ : |
227 | { | |
01ba2bdc SR |
228 | EXIT_TEXT |
229 | EXIT_DATA | |
de6a9520 MF |
230 | *(.exitcall.exit) |
231 | } | |
1394f032 | 232 | } |