Paul Mackerras | c51e3a4 | 2005-11-05 10:36:59 +1100 | [diff] [blame] | 1 | #ifdef CONFIG_PPC64 |
Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 2 | #define PROVIDE32(x) PROVIDE(__unused__##x) |
Paul Mackerras | c51e3a4 | 2005-11-05 10:36:59 +1100 | [diff] [blame] | 3 | #else |
Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 4 | #define PROVIDE32(x) PROVIDE(x) |
Paul Mackerras | c51e3a4 | 2005-11-05 10:36:59 +1100 | [diff] [blame] | 5 | #endif |
Kumar Gala | 4846c5d | 2008-04-16 05:52:26 +1000 | [diff] [blame] | 6 | #include <asm/page.h> |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 7 | #include <asm-generic/vmlinux.lds.h> |
Tony Breeds | bd67fcf | 2007-07-04 14:04:31 +1000 | [diff] [blame] | 8 | #include <asm/cache.h> |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 9 | |
Michael Ellerman | e19e4ab | 2005-11-03 16:03:06 +1100 | [diff] [blame] | 10 | ENTRY(_stext) |
11 | |||||
Stephen Rothwell | cabb558 | 2005-09-30 16:16:52 +1000 | [diff] [blame] | 12 | #ifdef CONFIG_PPC64 |
13 | OUTPUT_ARCH(powerpc:common64) | ||||
14 | jiffies = jiffies_64; | ||||
15 | #else | ||||
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 16 | OUTPUT_ARCH(powerpc:common) |
17 | jiffies = jiffies_64 + 4; | ||||
Stephen Rothwell | cabb558 | 2005-09-30 16:16:52 +1000 | [diff] [blame] | 18 | #endif |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 19 | SECTIONS |
20 | { | ||||
Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 21 | /* Sections to be discarded. */ |
22 | /DISCARD/ : { | ||||
23 | *(.exitcall.exit) | ||||
Sam Ravnborg | 01ba2bd | 2008-01-20 14:15:03 +0100 | [diff] [blame] | 24 | EXIT_DATA |
Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 25 | } |
Stephen Rothwell | cabb558 | 2005-09-30 16:16:52 +1000 | [diff] [blame] | 26 | |
Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 27 | . = KERNELBASE; |
Stephen Rothwell | cabb558 | 2005-09-30 16:16:52 +1000 | [diff] [blame] | 28 | |
Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 29 | /* |
30 | * Text, read only data and other permanent read-only sections | ||||
31 | */ | ||||
32 | |||||
33 | /* Text and gots */ | ||||
Kumar Gala | 366234f | 2008-04-16 05:52:28 +1000 | [diff] [blame] | 34 | .text : AT(ADDR(.text) - LOAD_OFFSET) { |
Kumar Gala | 748a768 | 2007-09-13 15:42:35 -0500 | [diff] [blame] | 35 | ALIGN_FUNCTION(); |
36 | *(.text.head) | ||||
Eric W. Biederman | fd593d1 | 2006-12-07 02:14:04 +0100 | [diff] [blame] | 37 | _text = .; |
Michael Ellerman | fac23fe | 2008-06-24 11:32:54 +1000 | [diff] [blame] | 38 | *(.text .fixup .text.init.refok .exit.text.refok __ftr_alt_*) |
Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 39 | SCHED_TEXT |
40 | LOCK_TEXT | ||||
41 | KPROBES_TEXT | ||||
Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 42 | |
Stephen Rothwell | cabb558 | 2005-09-30 16:16:52 +1000 | [diff] [blame] | 43 | #ifdef CONFIG_PPC32 |
Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 44 | *(.got1) |
45 | __got2_start = .; | ||||
46 | *(.got2) | ||||
47 | __got2_end = .; | ||||
48 | #endif /* CONFIG_PPC32 */ | ||||
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 49 | |
Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 50 | . = ALIGN(PAGE_SIZE); |
51 | _etext = .; | ||||
52 | PROVIDE32 (etext = .); | ||||
53 | } | ||||
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 54 | |
Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 55 | /* Read-only data */ |
56 | RODATA | ||||
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 57 | |
Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 58 | /* Exception & bug tables */ |
Kumar Gala | 366234f | 2008-04-16 05:52:28 +1000 | [diff] [blame] | 59 | __ex_table : AT(ADDR(__ex_table) - LOAD_OFFSET) { |
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 60 | __start___ex_table = .; |
61 | *(__ex_table) | ||||
62 | __stop___ex_table = .; | ||||
63 | } | ||||
64 | |||||
Roland McGrath | 8fb775e | 2007-07-19 01:48:38 -0700 | [diff] [blame] | 65 | NOTES |
66 | |||||
Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 67 | /* |
68 | * Init sections discarded at runtime | ||||
69 | */ | ||||
70 | . = ALIGN(PAGE_SIZE); | ||||
71 | __init_begin = .; | ||||
72 | |||||
Kumar Gala | 366234f | 2008-04-16 05:52:28 +1000 | [diff] [blame] | 73 | .init.text : AT(ADDR(.init.text) - LOAD_OFFSET) { |
Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 74 | _sinittext = .; |
Sam Ravnborg | 01ba2bd | 2008-01-20 14:15:03 +0100 | [diff] [blame] | 75 | INIT_TEXT |
Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 76 | _einittext = .; |
77 | } | ||||
78 | |||||
79 | /* .exit.text is discarded at runtime, not link time, | ||||
80 | * to deal with references from __bug_table | ||||
81 | */ | ||||
Kumar Gala | 366234f | 2008-04-16 05:52:28 +1000 | [diff] [blame] | 82 | .exit.text : AT(ADDR(.exit.text) - LOAD_OFFSET) { |
Sam Ravnborg | 01ba2bd | 2008-01-20 14:15:03 +0100 | [diff] [blame] | 83 | EXIT_TEXT |
84 | } | ||||
Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 85 | |
Kumar Gala | 366234f | 2008-04-16 05:52:28 +1000 | [diff] [blame] | 86 | .init.data : AT(ADDR(.init.data) - LOAD_OFFSET) { |
Sam Ravnborg | 01ba2bd | 2008-01-20 14:15:03 +0100 | [diff] [blame] | 87 | INIT_DATA |
Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 88 | __vtop_table_begin = .; |
89 | *(.vtop_fixup); | ||||
90 | __vtop_table_end = .; | ||||
91 | __ptov_table_begin = .; | ||||
92 | *(.ptov_fixup); | ||||
93 | __ptov_table_end = .; | ||||
Stephen Rothwell | c4e3ea2 | 2006-05-19 17:04:48 +1000 | [diff] [blame] | 94 | #ifdef CONFIG_PPC_ISERIES |
95 | __dt_strings_start = .; | ||||
96 | *(.dt_strings); | ||||
97 | __dt_strings_end = .; | ||||
98 | #endif | ||||
Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 99 | } |
100 | |||||
101 | . = ALIGN(16); | ||||
Kumar Gala | 366234f | 2008-04-16 05:52:28 +1000 | [diff] [blame] | 102 | .init.setup : AT(ADDR(.init.setup) - LOAD_OFFSET) { |
Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 103 | __setup_start = .; |
104 | *(.init.setup) | ||||
105 | __setup_end = .; | ||||
106 | } | ||||
107 | |||||
Kumar Gala | 366234f | 2008-04-16 05:52:28 +1000 | [diff] [blame] | 108 | .initcall.init : AT(ADDR(.initcall.init) - LOAD_OFFSET) { |
Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 109 | __initcall_start = .; |
Andrew Morton | 61ce1ef | 2006-10-27 11:41:44 -0700 | [diff] [blame] | 110 | INITCALLS |
Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 111 | __initcall_end = .; |
112 | } | ||||
113 | |||||
Kumar Gala | 366234f | 2008-04-16 05:52:28 +1000 | [diff] [blame] | 114 | .con_initcall.init : AT(ADDR(.con_initcall.init) - LOAD_OFFSET) { |
Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 115 | __con_initcall_start = .; |
116 | *(.con_initcall.init) | ||||
117 | __con_initcall_end = .; | ||||
118 | } | ||||
119 | |||||
120 | SECURITY_INIT | ||||
121 | |||||
122 | . = ALIGN(8); | ||||
Kumar Gala | 366234f | 2008-04-16 05:52:28 +1000 | [diff] [blame] | 123 | __ftr_fixup : AT(ADDR(__ftr_fixup) - LOAD_OFFSET) { |
Stephen Rothwell | cabb558 | 2005-09-30 16:16:52 +1000 | [diff] [blame] | 124 | __start___ftr_fixup = .; |
125 | *(__ftr_fixup) | ||||
126 | __stop___ftr_fixup = .; | ||||
127 | } | ||||
Kumar Gala | 2d1b202 | 2008-07-02 01:16:40 +1000 | [diff] [blame] | 128 | . = ALIGN(8); |
129 | __lwsync_fixup : AT(ADDR(__lwsync_fixup) - LOAD_OFFSET) { | ||||
130 | __start___lwsync_fixup = .; | ||||
131 | *(__lwsync_fixup) | ||||
132 | __stop___lwsync_fixup = .; | ||||
133 | } | ||||
Stephen Rothwell | 3f639ee | 2006-09-25 18:19:00 +1000 | [diff] [blame] | 134 | #ifdef CONFIG_PPC64 |
135 | . = ALIGN(8); | ||||
Kumar Gala | 366234f | 2008-04-16 05:52:28 +1000 | [diff] [blame] | 136 | __fw_ftr_fixup : AT(ADDR(__fw_ftr_fixup) - LOAD_OFFSET) { |
Stephen Rothwell | 3f639ee | 2006-09-25 18:19:00 +1000 | [diff] [blame] | 137 | __start___fw_ftr_fixup = .; |
138 | *(__fw_ftr_fixup) | ||||
139 | __stop___fw_ftr_fixup = .; | ||||
140 | } | ||||
141 | #endif | ||||
Jean-Paul Saman | 67d3822 | 2007-02-10 01:44:44 -0800 | [diff] [blame] | 142 | #ifdef CONFIG_BLK_DEV_INITRD |
Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 143 | . = ALIGN(PAGE_SIZE); |
Kumar Gala | 366234f | 2008-04-16 05:52:28 +1000 | [diff] [blame] | 144 | .init.ramfs : AT(ADDR(.init.ramfs) - LOAD_OFFSET) { |
Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 145 | __initramfs_start = .; |
146 | *(.init.ramfs) | ||||
147 | __initramfs_end = .; | ||||
148 | } | ||||
Jean-Paul Saman | 67d3822 | 2007-02-10 01:44:44 -0800 | [diff] [blame] | 149 | #endif |
Jeremy Fitzhardinge | b6e3590 | 2007-05-02 19:27:12 +0200 | [diff] [blame] | 150 | . = ALIGN(PAGE_SIZE); |
Kumar Gala | 366234f | 2008-04-16 05:52:28 +1000 | [diff] [blame] | 151 | .data.percpu : AT(ADDR(.data.percpu) - LOAD_OFFSET) { |
Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 152 | __per_cpu_start = .; |
153 | *(.data.percpu) | ||||
Fenghua Yu | 5fb7dc3 | 2007-07-19 01:48:12 -0700 | [diff] [blame] | 154 | *(.data.percpu.shared_aligned) |
Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 155 | __per_cpu_end = .; |
156 | } | ||||
157 | |||||
158 | . = ALIGN(8); | ||||
Kumar Gala | 366234f | 2008-04-16 05:52:28 +1000 | [diff] [blame] | 159 | .machine.desc : AT(ADDR(.machine.desc) - LOAD_OFFSET) { |
Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 160 | __machine_desc_start = . ; |
161 | *(.machine.desc) | ||||
162 | __machine_desc_end = . ; | ||||
163 | } | ||||
164 | |||||
165 | /* freed after init ends here */ | ||||
166 | . = ALIGN(PAGE_SIZE); | ||||
167 | __init_end = .; | ||||
168 | |||||
169 | /* | ||||
170 | * And now the various read/write data | ||||
171 | */ | ||||
172 | |||||
173 | . = ALIGN(PAGE_SIZE); | ||||
174 | _sdata = .; | ||||
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 175 | |
Stephen Rothwell | cabb558 | 2005-09-30 16:16:52 +1000 | [diff] [blame] | 176 | #ifdef CONFIG_PPC32 |
Kumar Gala | 366234f | 2008-04-16 05:52:28 +1000 | [diff] [blame] | 177 | .data : AT(ADDR(.data) - LOAD_OFFSET) { |
Sam Ravnborg | ca96725 | 2007-05-17 13:38:44 +0200 | [diff] [blame] | 178 | DATA_DATA |
Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 179 | *(.sdata) |
180 | *(.got.plt) *(.got) | ||||
181 | } | ||||
Stephen Rothwell | cabb558 | 2005-09-30 16:16:52 +1000 | [diff] [blame] | 182 | #else |
Kumar Gala | 366234f | 2008-04-16 05:52:28 +1000 | [diff] [blame] | 183 | .data : AT(ADDR(.data) - LOAD_OFFSET) { |
Mathieu Desnoyers | 3ae0aa9 | 2007-06-16 22:29:04 -0400 | [diff] [blame] | 184 | DATA_DATA |
185 | *(.data.rel*) | ||||
186 | *(.toc1) | ||||
Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 187 | *(.branch_lt) |
188 | } | ||||
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 189 | |
Kumar Gala | 366234f | 2008-04-16 05:52:28 +1000 | [diff] [blame] | 190 | .opd : AT(ADDR(.opd) - LOAD_OFFSET) { |
Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 191 | *(.opd) |
192 | } | ||||
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 193 | |
Kumar Gala | 366234f | 2008-04-16 05:52:28 +1000 | [diff] [blame] | 194 | .got : AT(ADDR(.got) - LOAD_OFFSET) { |
Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 195 | __toc_start = .; |
196 | *(.got) | ||||
197 | *(.toc) | ||||
198 | } | ||||
Stephen Rothwell | cabb558 | 2005-09-30 16:16:52 +1000 | [diff] [blame] | 199 | #endif |
Paul Mackerras | 4a28856 | 2005-10-10 22:38:46 +1000 | [diff] [blame] | 200 | |
Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 201 | . = ALIGN(PAGE_SIZE); |
202 | _edata = .; | ||||
203 | PROVIDE32 (edata = .); | ||||
Stephen Rothwell | cabb558 | 2005-09-30 16:16:52 +1000 | [diff] [blame] | 204 | |
Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 205 | /* The initial task and kernel stack */ |
Stephen Rothwell | cabb558 | 2005-09-30 16:16:52 +1000 | [diff] [blame] | 206 | #ifdef CONFIG_PPC32 |
Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 207 | . = ALIGN(8192); |
208 | #else | ||||
209 | . = ALIGN(16384); | ||||
Stephen Rothwell | cabb558 | 2005-09-30 16:16:52 +1000 | [diff] [blame] | 210 | #endif |
Kumar Gala | 366234f | 2008-04-16 05:52:28 +1000 | [diff] [blame] | 211 | .data.init_task : AT(ADDR(.data.init_task) - LOAD_OFFSET) { |
Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 212 | *(.data.init_task) |
213 | } | ||||
214 | |||||
215 | . = ALIGN(PAGE_SIZE); | ||||
Kumar Gala | 366234f | 2008-04-16 05:52:28 +1000 | [diff] [blame] | 216 | .data.page_aligned : AT(ADDR(.data.page_aligned) - LOAD_OFFSET) { |
Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 217 | *(.data.page_aligned) |
218 | } | ||||
219 | |||||
Kumar Gala | 366234f | 2008-04-16 05:52:28 +1000 | [diff] [blame] | 220 | .data.cacheline_aligned : AT(ADDR(.data.cacheline_aligned) - LOAD_OFFSET) { |
Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 221 | *(.data.cacheline_aligned) |
222 | } | ||||
223 | |||||
Tony Breeds | bd67fcf | 2007-07-04 14:04:31 +1000 | [diff] [blame] | 224 | . = ALIGN(L1_CACHE_BYTES); |
Kumar Gala | 366234f | 2008-04-16 05:52:28 +1000 | [diff] [blame] | 225 | .data.read_mostly : AT(ADDR(.data.read_mostly) - LOAD_OFFSET) { |
Tony Breeds | bd67fcf | 2007-07-04 14:04:31 +1000 | [diff] [blame] | 226 | *(.data.read_mostly) |
227 | } | ||||
228 | |||||
Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 229 | . = ALIGN(PAGE_SIZE); |
Kumar Gala | 366234f | 2008-04-16 05:52:28 +1000 | [diff] [blame] | 230 | .data_nosave : AT(ADDR(.data_nosave) - LOAD_OFFSET) { |
Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 231 | __nosave_begin = .; |
232 | *(.data.nosave) | ||||
233 | . = ALIGN(PAGE_SIZE); | ||||
234 | __nosave_end = .; | ||||
235 | } | ||||
236 | |||||
237 | /* | ||||
238 | * And finally the bss | ||||
239 | */ | ||||
240 | |||||
Kumar Gala | 366234f | 2008-04-16 05:52:28 +1000 | [diff] [blame] | 241 | .bss : AT(ADDR(.bss) - LOAD_OFFSET) { |
Benjamin Herrenschmidt | e822250 | 2006-03-28 23:15:54 +1100 | [diff] [blame] | 242 | __bss_start = .; |
243 | *(.sbss) *(.scommon) | ||||
244 | *(.dynbss) | ||||
245 | *(.bss) | ||||
246 | *(COMMON) | ||||
247 | __bss_stop = .; | ||||
248 | } | ||||
249 | |||||
250 | . = ALIGN(PAGE_SIZE); | ||||
251 | _end = . ; | ||||
252 | PROVIDE32 (end = .); | ||||
Paul Mackerras | 14cf11a | 2005-09-26 16:04:21 +1000 | [diff] [blame] | 253 | } |