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Paul Mackerrasc51e3a42005-11-05 10:36:59 +11001#ifdef CONFIG_PPC64
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +11002#define PROVIDE32(x) PROVIDE(__unused__##x)
Paul Mackerrasc51e3a42005-11-05 10:36:59 +11003#else
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +11004#define PROVIDE32(x) PROVIDE(x)
Paul Mackerrasc51e3a42005-11-05 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 = .;
Stephen Rothwelle95c9182007-11-04 13:28:39 +110038 *(.text .fixup .text.init.refok .exit.text.refok)
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
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +110067/*
68 * Init sections discarded at runtime
69 */
70 . = ALIGN(PAGE_SIZE);
71 __init_begin = .;
72
Kumar Gala366234f2008-04-16 05:52:28 +100073 .init.text : AT(ADDR(.init.text) - LOAD_OFFSET) {
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +110074 _sinittext = .;
Sam Ravnborg01ba2bd2008-01-20 14:15:03 +010075 INIT_TEXT
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +110076 _einittext = .;
77 }
78
79 /* .exit.text is discarded at runtime, not link time,
80 * to deal with references from __bug_table
81 */
Kumar Gala366234f2008-04-16 05:52:28 +100082 .exit.text : AT(ADDR(.exit.text) - LOAD_OFFSET) {
Sam Ravnborg01ba2bd2008-01-20 14:15:03 +010083 EXIT_TEXT
84 }
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +110085
Kumar Gala366234f2008-04-16 05:52:28 +100086 .init.data : AT(ADDR(.init.data) - LOAD_OFFSET) {
Sam Ravnborg01ba2bd2008-01-20 14:15:03 +010087 INIT_DATA
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +110088 __vtop_table_begin = .;
89 *(.vtop_fixup);
90 __vtop_table_end = .;
91 __ptov_table_begin = .;
92 *(.ptov_fixup);
93 __ptov_table_end = .;
Stephen Rothwellc4e3ea22006-05-19 17:04:48 +100094#ifdef CONFIG_PPC_ISERIES
95 __dt_strings_start = .;
96 *(.dt_strings);
97 __dt_strings_end = .;
98#endif
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +110099 }
100
101 . = ALIGN(16);
Kumar Gala366234f2008-04-16 05:52:28 +1000102 .init.setup : AT(ADDR(.init.setup) - LOAD_OFFSET) {
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +1100103 __setup_start = .;
104 *(.init.setup)
105 __setup_end = .;
106 }
107
Kumar Gala366234f2008-04-16 05:52:28 +1000108 .initcall.init : AT(ADDR(.initcall.init) - LOAD_OFFSET) {
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +1100109 __initcall_start = .;
Andrew Morton61ce1ef2006-10-27 11:41:44 -0700110 INITCALLS
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +1100111 __initcall_end = .;
112 }
113
Kumar Gala366234f2008-04-16 05:52:28 +1000114 .con_initcall.init : AT(ADDR(.con_initcall.init) - LOAD_OFFSET) {
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +1100115 __con_initcall_start = .;
116 *(.con_initcall.init)
117 __con_initcall_end = .;
118 }
119
120 SECURITY_INIT
121
122 . = ALIGN(8);
Kumar Gala366234f2008-04-16 05:52:28 +1000123 __ftr_fixup : AT(ADDR(__ftr_fixup) - LOAD_OFFSET) {
Stephen Rothwellcabb5582005-09-30 16:16:52 +1000124 __start___ftr_fixup = .;
125 *(__ftr_fixup)
126 __stop___ftr_fixup = .;
127 }
Stephen Rothwell3f639ee2006-09-25 18:19:00 +1000128#ifdef CONFIG_PPC64
129 . = ALIGN(8);
Kumar Gala366234f2008-04-16 05:52:28 +1000130 __fw_ftr_fixup : AT(ADDR(__fw_ftr_fixup) - LOAD_OFFSET) {
Stephen Rothwell3f639ee2006-09-25 18:19:00 +1000131 __start___fw_ftr_fixup = .;
132 *(__fw_ftr_fixup)
133 __stop___fw_ftr_fixup = .;
134 }
135#endif
Jean-Paul Saman67d38222007-02-10 01:44:44 -0800136#ifdef CONFIG_BLK_DEV_INITRD
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +1100137 . = ALIGN(PAGE_SIZE);
Kumar Gala366234f2008-04-16 05:52:28 +1000138 .init.ramfs : AT(ADDR(.init.ramfs) - LOAD_OFFSET) {
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +1100139 __initramfs_start = .;
140 *(.init.ramfs)
141 __initramfs_end = .;
142 }
Jean-Paul Saman67d38222007-02-10 01:44:44 -0800143#endif
Jeremy Fitzhardingeb6e35902007-05-02 19:27:12 +0200144 . = ALIGN(PAGE_SIZE);
Kumar Gala366234f2008-04-16 05:52:28 +1000145 .data.percpu : AT(ADDR(.data.percpu) - LOAD_OFFSET) {
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +1100146 __per_cpu_start = .;
147 *(.data.percpu)
Fenghua Yu5fb7dc32007-07-19 01:48:12 -0700148 *(.data.percpu.shared_aligned)
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +1100149 __per_cpu_end = .;
150 }
151
152 . = ALIGN(8);
Kumar Gala366234f2008-04-16 05:52:28 +1000153 .machine.desc : AT(ADDR(.machine.desc) - LOAD_OFFSET) {
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +1100154 __machine_desc_start = . ;
155 *(.machine.desc)
156 __machine_desc_end = . ;
157 }
158
159 /* freed after init ends here */
160 . = ALIGN(PAGE_SIZE);
161 __init_end = .;
162
163/*
164 * And now the various read/write data
165 */
166
167 . = ALIGN(PAGE_SIZE);
168 _sdata = .;
Paul Mackerras14cf11a2005-09-26 16:04:21 +1000169
Stephen Rothwellcabb5582005-09-30 16:16:52 +1000170#ifdef CONFIG_PPC32
Kumar Gala366234f2008-04-16 05:52:28 +1000171 .data : AT(ADDR(.data) - LOAD_OFFSET) {
Sam Ravnborgca967252007-05-17 13:38:44 +0200172 DATA_DATA
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +1100173 *(.sdata)
174 *(.got.plt) *(.got)
175 }
Stephen Rothwellcabb5582005-09-30 16:16:52 +1000176#else
Kumar Gala366234f2008-04-16 05:52:28 +1000177 .data : AT(ADDR(.data) - LOAD_OFFSET) {
Mathieu Desnoyers3ae0aa92007-06-16 22:29:04 -0400178 DATA_DATA
179 *(.data.rel*)
180 *(.toc1)
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +1100181 *(.branch_lt)
182 }
Paul Mackerras14cf11a2005-09-26 16:04:21 +1000183
Kumar Gala366234f2008-04-16 05:52:28 +1000184 .opd : AT(ADDR(.opd) - LOAD_OFFSET) {
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +1100185 *(.opd)
186 }
Paul Mackerras14cf11a2005-09-26 16:04:21 +1000187
Kumar Gala366234f2008-04-16 05:52:28 +1000188 .got : AT(ADDR(.got) - LOAD_OFFSET) {
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +1100189 __toc_start = .;
190 *(.got)
191 *(.toc)
192 }
Stephen Rothwellcabb5582005-09-30 16:16:52 +1000193#endif
Paul Mackerras4a288562005-10-10 22:38:46 +1000194
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +1100195 . = ALIGN(PAGE_SIZE);
196 _edata = .;
197 PROVIDE32 (edata = .);
Stephen Rothwellcabb5582005-09-30 16:16:52 +1000198
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +1100199 /* The initial task and kernel stack */
Stephen Rothwellcabb5582005-09-30 16:16:52 +1000200#ifdef CONFIG_PPC32
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +1100201 . = ALIGN(8192);
202#else
203 . = ALIGN(16384);
Stephen Rothwellcabb5582005-09-30 16:16:52 +1000204#endif
Kumar Gala366234f2008-04-16 05:52:28 +1000205 .data.init_task : AT(ADDR(.data.init_task) - LOAD_OFFSET) {
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +1100206 *(.data.init_task)
207 }
208
209 . = ALIGN(PAGE_SIZE);
Kumar Gala366234f2008-04-16 05:52:28 +1000210 .data.page_aligned : AT(ADDR(.data.page_aligned) - LOAD_OFFSET) {
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +1100211 *(.data.page_aligned)
212 }
213
Kumar Gala366234f2008-04-16 05:52:28 +1000214 .data.cacheline_aligned : AT(ADDR(.data.cacheline_aligned) - LOAD_OFFSET) {
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +1100215 *(.data.cacheline_aligned)
216 }
217
Tony Breedsbd67fcf2007-07-04 14:04:31 +1000218 . = ALIGN(L1_CACHE_BYTES);
Kumar Gala366234f2008-04-16 05:52:28 +1000219 .data.read_mostly : AT(ADDR(.data.read_mostly) - LOAD_OFFSET) {
Tony Breedsbd67fcf2007-07-04 14:04:31 +1000220 *(.data.read_mostly)
221 }
222
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +1100223 . = ALIGN(PAGE_SIZE);
Kumar Gala366234f2008-04-16 05:52:28 +1000224 .data_nosave : AT(ADDR(.data_nosave) - LOAD_OFFSET) {
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +1100225 __nosave_begin = .;
226 *(.data.nosave)
227 . = ALIGN(PAGE_SIZE);
228 __nosave_end = .;
229 }
230
231/*
232 * And finally the bss
233 */
234
Kumar Gala366234f2008-04-16 05:52:28 +1000235 .bss : AT(ADDR(.bss) - LOAD_OFFSET) {
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +1100236 __bss_start = .;
237 *(.sbss) *(.scommon)
238 *(.dynbss)
239 *(.bss)
240 *(COMMON)
241 __bss_stop = .;
242 }
243
244 . = ALIGN(PAGE_SIZE);
245 _end = . ;
246 PROVIDE32 (end = .);
Paul Mackerras14cf11a2005-09-26 16:04:21 +1000247}