blob: 6856f6c157275db08d6ae577bf87b0082bdc4e31 [file] [log] [blame]
Paul Mackerrasc51e3a412005-11-05 10:36:59 +11001#ifdef CONFIG_PPC64
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +11002#define PROVIDE32(x) PROVIDE(__unused__##x)
Paul Mackerrasc51e3a412005-11-05 10:36:59 +11003#else
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +11004#define PROVIDE32(x) PROVIDE(x)
Paul Mackerrasc51e3a412005-11-05 10:36:59 +11005#endif
Kumar Gala4846c5d2008-04-16 05:52:26 +10006#include <asm/page.h>
Paul Mackerras14cf11a2005-09-26 16:04:21 +10007#include <asm-generic/vmlinux.lds.h>
Tony Breedsbd67fcf2007-07-04 14:04:31 +10008#include <asm/cache.h>
Paul Mackerras14cf11a2005-09-26 16:04:21 +10009
Michael Ellermane19e4ab2005-11-03 16:03:06 +110010ENTRY(_stext)
11
Stephen Rothwellcabb5582005-09-30 16:16:52 +100012#ifdef CONFIG_PPC64
13OUTPUT_ARCH(powerpc:common64)
14jiffies = jiffies_64;
15#else
Paul Mackerras14cf11a2005-09-26 16:04:21 +100016OUTPUT_ARCH(powerpc:common)
17jiffies = jiffies_64 + 4;
Stephen Rothwellcabb5582005-09-30 16:16:52 +100018#endif
Paul Mackerras14cf11a2005-09-26 16:04:21 +100019SECTIONS
20{
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +110021 /* Sections to be discarded. */
22 /DISCARD/ : {
23 *(.exitcall.exit)
Sam Ravnborg01ba2bd2008-01-20 14:15:03 +010024 EXIT_DATA
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +110025 }
Stephen Rothwellcabb5582005-09-30 16:16:52 +100026
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +110027 . = KERNELBASE;
Stephen Rothwellcabb5582005-09-30 16:16:52 +100028
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +110029/*
30 * Text, read only data and other permanent read-only sections
31 */
32
33 /* Text and gots */
Kumar Gala366234f2008-04-16 05:52:28 +100034 .text : AT(ADDR(.text) - LOAD_OFFSET) {
Kumar Gala748a7682007-09-13 15:42:35 -050035 ALIGN_FUNCTION();
36 *(.text.head)
Eric W. Biedermanfd593d12006-12-07 02:14:04 +010037 _text = .;
Michael Ellermanfac23fe2008-06-24 11:32:54 +100038 *(.text .fixup .text.init.refok .exit.text.refok __ftr_alt_*)
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +110039 SCHED_TEXT
40 LOCK_TEXT
41 KPROBES_TEXT
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +110042
Stephen Rothwellcabb5582005-09-30 16:16:52 +100043#ifdef CONFIG_PPC32
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +110044 *(.got1)
45 __got2_start = .;
46 *(.got2)
47 __got2_end = .;
48#endif /* CONFIG_PPC32 */
Paul Mackerras14cf11a2005-09-26 16:04:21 +100049
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +110050 . = ALIGN(PAGE_SIZE);
51 _etext = .;
52 PROVIDE32 (etext = .);
53 }
Paul Mackerras14cf11a2005-09-26 16:04:21 +100054
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +110055 /* Read-only data */
56 RODATA
Paul Mackerras14cf11a2005-09-26 16:04:21 +100057
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +110058 /* Exception & bug tables */
Kumar Gala366234f2008-04-16 05:52:28 +100059 __ex_table : AT(ADDR(__ex_table) - LOAD_OFFSET) {
Paul Mackerras14cf11a2005-09-26 16:04:21 +100060 __start___ex_table = .;
61 *(__ex_table)
62 __stop___ex_table = .;
63 }
64
Roland McGrath8fb775e2007-07-19 01:48:38 -070065 NOTES
66
Jeremy Fitzhardinge73c9cea2006-12-08 03:30:41 -080067 BUG_TABLE
Paul Mackerras14cf11a2005-09-26 16:04:21 +100068
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +110069/*
70 * Init sections discarded at runtime
71 */
72 . = ALIGN(PAGE_SIZE);
73 __init_begin = .;
74
Kumar Gala366234f2008-04-16 05:52:28 +100075 .init.text : AT(ADDR(.init.text) - LOAD_OFFSET) {
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +110076 _sinittext = .;
Sam Ravnborg01ba2bd2008-01-20 14:15:03 +010077 INIT_TEXT
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +110078 _einittext = .;
79 }
80
81 /* .exit.text is discarded at runtime, not link time,
82 * to deal with references from __bug_table
83 */
Kumar Gala366234f2008-04-16 05:52:28 +100084 .exit.text : AT(ADDR(.exit.text) - LOAD_OFFSET) {
Sam Ravnborg01ba2bd2008-01-20 14:15:03 +010085 EXIT_TEXT
86 }
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +110087
Kumar Gala366234f2008-04-16 05:52:28 +100088 .init.data : AT(ADDR(.init.data) - LOAD_OFFSET) {
Sam Ravnborg01ba2bd2008-01-20 14:15:03 +010089 INIT_DATA
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +110090 __vtop_table_begin = .;
91 *(.vtop_fixup);
92 __vtop_table_end = .;
93 __ptov_table_begin = .;
94 *(.ptov_fixup);
95 __ptov_table_end = .;
Stephen Rothwellc4e3ea22006-05-19 17:04:48 +100096#ifdef CONFIG_PPC_ISERIES
97 __dt_strings_start = .;
98 *(.dt_strings);
99 __dt_strings_end = .;
100#endif
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +1100101 }
102
103 . = ALIGN(16);
Kumar Gala366234f2008-04-16 05:52:28 +1000104 .init.setup : AT(ADDR(.init.setup) - LOAD_OFFSET) {
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +1100105 __setup_start = .;
106 *(.init.setup)
107 __setup_end = .;
108 }
109
Kumar Gala366234f2008-04-16 05:52:28 +1000110 .initcall.init : AT(ADDR(.initcall.init) - LOAD_OFFSET) {
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +1100111 __initcall_start = .;
Andrew Morton61ce1ef2006-10-27 11:41:44 -0700112 INITCALLS
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +1100113 __initcall_end = .;
114 }
115
Kumar Gala366234f2008-04-16 05:52:28 +1000116 .con_initcall.init : AT(ADDR(.con_initcall.init) - LOAD_OFFSET) {
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +1100117 __con_initcall_start = .;
118 *(.con_initcall.init)
119 __con_initcall_end = .;
120 }
121
122 SECURITY_INIT
123
124 . = ALIGN(8);
Kumar Gala366234f2008-04-16 05:52:28 +1000125 __ftr_fixup : AT(ADDR(__ftr_fixup) - LOAD_OFFSET) {
Stephen Rothwellcabb5582005-09-30 16:16:52 +1000126 __start___ftr_fixup = .;
127 *(__ftr_fixup)
128 __stop___ftr_fixup = .;
129 }
Kumar Gala2d1b2022008-07-02 01:16:40 +1000130 . = ALIGN(8);
131 __lwsync_fixup : AT(ADDR(__lwsync_fixup) - LOAD_OFFSET) {
132 __start___lwsync_fixup = .;
133 *(__lwsync_fixup)
134 __stop___lwsync_fixup = .;
135 }
Stephen Rothwell3f639ee2006-09-25 18:19:00 +1000136#ifdef CONFIG_PPC64
137 . = ALIGN(8);
Kumar Gala366234f2008-04-16 05:52:28 +1000138 __fw_ftr_fixup : AT(ADDR(__fw_ftr_fixup) - LOAD_OFFSET) {
Stephen Rothwell3f639ee2006-09-25 18:19:00 +1000139 __start___fw_ftr_fixup = .;
140 *(__fw_ftr_fixup)
141 __stop___fw_ftr_fixup = .;
142 }
143#endif
Jean-Paul Saman67d38222007-02-10 01:44:44 -0800144#ifdef CONFIG_BLK_DEV_INITRD
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +1100145 . = ALIGN(PAGE_SIZE);
Kumar Gala366234f2008-04-16 05:52:28 +1000146 .init.ramfs : AT(ADDR(.init.ramfs) - LOAD_OFFSET) {
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +1100147 __initramfs_start = .;
148 *(.init.ramfs)
149 __initramfs_end = .;
150 }
Jean-Paul Saman67d38222007-02-10 01:44:44 -0800151#endif
Jeremy Fitzhardingeb6e35902007-05-02 19:27:12 +0200152 . = ALIGN(PAGE_SIZE);
Kumar Gala366234f2008-04-16 05:52:28 +1000153 .data.percpu : AT(ADDR(.data.percpu) - LOAD_OFFSET) {
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +1100154 __per_cpu_start = .;
155 *(.data.percpu)
Fenghua Yu5fb7dc32007-07-19 01:48:12 -0700156 *(.data.percpu.shared_aligned)
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +1100157 __per_cpu_end = .;
158 }
159
160 . = ALIGN(8);
Kumar Gala366234f2008-04-16 05:52:28 +1000161 .machine.desc : AT(ADDR(.machine.desc) - LOAD_OFFSET) {
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +1100162 __machine_desc_start = . ;
163 *(.machine.desc)
164 __machine_desc_end = . ;
165 }
166
167 /* freed after init ends here */
168 . = ALIGN(PAGE_SIZE);
169 __init_end = .;
170
171/*
172 * And now the various read/write data
173 */
174
175 . = ALIGN(PAGE_SIZE);
176 _sdata = .;
Paul Mackerras14cf11a2005-09-26 16:04:21 +1000177
Stephen Rothwellcabb5582005-09-30 16:16:52 +1000178#ifdef CONFIG_PPC32
Kumar Gala366234f2008-04-16 05:52:28 +1000179 .data : AT(ADDR(.data) - LOAD_OFFSET) {
Sam Ravnborgca967252007-05-17 13:38:44 +0200180 DATA_DATA
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +1100181 *(.sdata)
182 *(.got.plt) *(.got)
183 }
Stephen Rothwellcabb5582005-09-30 16:16:52 +1000184#else
Kumar Gala366234f2008-04-16 05:52:28 +1000185 .data : AT(ADDR(.data) - LOAD_OFFSET) {
Mathieu Desnoyers3ae0aa92007-06-16 22:29:04 -0400186 DATA_DATA
187 *(.data.rel*)
188 *(.toc1)
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +1100189 *(.branch_lt)
190 }
Paul Mackerras14cf11a2005-09-26 16:04:21 +1000191
Kumar Gala366234f2008-04-16 05:52:28 +1000192 .opd : AT(ADDR(.opd) - LOAD_OFFSET) {
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +1100193 *(.opd)
194 }
Paul Mackerras14cf11a2005-09-26 16:04:21 +1000195
Kumar Gala366234f2008-04-16 05:52:28 +1000196 .got : AT(ADDR(.got) - LOAD_OFFSET) {
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +1100197 __toc_start = .;
198 *(.got)
199 *(.toc)
200 }
Stephen Rothwellcabb5582005-09-30 16:16:52 +1000201#endif
Paul Mackerras4a288562005-10-10 22:38:46 +1000202
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +1100203 . = ALIGN(PAGE_SIZE);
204 _edata = .;
205 PROVIDE32 (edata = .);
Stephen Rothwellcabb5582005-09-30 16:16:52 +1000206
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +1100207 /* The initial task and kernel stack */
Stephen Rothwellcabb5582005-09-30 16:16:52 +1000208#ifdef CONFIG_PPC32
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +1100209 . = ALIGN(8192);
210#else
211 . = ALIGN(16384);
Stephen Rothwellcabb5582005-09-30 16:16:52 +1000212#endif
Kumar Gala366234f2008-04-16 05:52:28 +1000213 .data.init_task : AT(ADDR(.data.init_task) - LOAD_OFFSET) {
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +1100214 *(.data.init_task)
215 }
216
217 . = ALIGN(PAGE_SIZE);
Kumar Gala366234f2008-04-16 05:52:28 +1000218 .data.page_aligned : AT(ADDR(.data.page_aligned) - LOAD_OFFSET) {
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +1100219 *(.data.page_aligned)
220 }
221
Kumar Gala366234f2008-04-16 05:52:28 +1000222 .data.cacheline_aligned : AT(ADDR(.data.cacheline_aligned) - LOAD_OFFSET) {
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +1100223 *(.data.cacheline_aligned)
224 }
225
Tony Breedsbd67fcf2007-07-04 14:04:31 +1000226 . = ALIGN(L1_CACHE_BYTES);
Kumar Gala366234f2008-04-16 05:52:28 +1000227 .data.read_mostly : AT(ADDR(.data.read_mostly) - LOAD_OFFSET) {
Tony Breedsbd67fcf2007-07-04 14:04:31 +1000228 *(.data.read_mostly)
229 }
230
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +1100231 . = ALIGN(PAGE_SIZE);
Kumar Gala366234f2008-04-16 05:52:28 +1000232 .data_nosave : AT(ADDR(.data_nosave) - LOAD_OFFSET) {
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +1100233 __nosave_begin = .;
234 *(.data.nosave)
235 . = ALIGN(PAGE_SIZE);
236 __nosave_end = .;
237 }
238
239/*
240 * And finally the bss
241 */
242
Kumar Gala366234f2008-04-16 05:52:28 +1000243 .bss : AT(ADDR(.bss) - LOAD_OFFSET) {
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +1100244 __bss_start = .;
245 *(.sbss) *(.scommon)
246 *(.dynbss)
247 *(.bss)
248 *(COMMON)
249 __bss_stop = .;
250 }
251
252 . = ALIGN(PAGE_SIZE);
253 _end = . ;
254 PROVIDE32 (end = .);
Paul Mackerras14cf11a2005-09-26 16:04:21 +1000255}