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Paul Mackerrasc51e3a42005-11-05 10:36:59 +11001#ifdef CONFIG_PPC64
Stephen Rothwellcabb5582005-09-30 16:16:52 +10002#include <asm/page.h>
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +11003#define PROVIDE32(x) PROVIDE(__unused__##x)
Paul Mackerrasc51e3a42005-11-05 10:36:59 +11004#else
5#define PAGE_SIZE 4096
6#define KERNELBASE CONFIG_KERNEL_START
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +11007#define PROVIDE32(x) PROVIDE(x)
Paul Mackerrasc51e3a42005-11-05 10:36:59 +11008#endif
Paul Mackerras14cf11a2005-09-26 16:04:21 +10009#include <asm-generic/vmlinux.lds.h>
Tony Breedsbd67fcf2007-07-04 14:04:31 +100010#include <asm/cache.h>
Paul Mackerras14cf11a2005-09-26 16:04:21 +100011
Michael Ellermane19e4ab2005-11-03 16:03:06 +110012ENTRY(_stext)
13
Stephen Rothwellcabb5582005-09-30 16:16:52 +100014#ifdef CONFIG_PPC64
15OUTPUT_ARCH(powerpc:common64)
16jiffies = jiffies_64;
17#else
Paul Mackerras14cf11a2005-09-26 16:04:21 +100018OUTPUT_ARCH(powerpc:common)
19jiffies = jiffies_64 + 4;
Stephen Rothwellcabb5582005-09-30 16:16:52 +100020#endif
Paul Mackerras14cf11a2005-09-26 16:04:21 +100021SECTIONS
22{
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +110023 /* Sections to be discarded. */
24 /DISCARD/ : {
25 *(.exitcall.exit)
26 *(.exit.data)
27 }
Stephen Rothwellcabb5582005-09-30 16:16:52 +100028
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +110029 . = KERNELBASE;
Stephen Rothwellcabb5582005-09-30 16:16:52 +100030
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +110031/*
32 * Text, read only data and other permanent read-only sections
33 */
34
35 /* Text and gots */
36 .text : {
Kumar Gala748a7682007-09-13 15:42:35 -050037 ALIGN_FUNCTION();
38 *(.text.head)
Eric W. Biedermanfd593d12006-12-07 02:14:04 +010039 _text = .;
Sam Ravnborg76647092007-05-13 00:31:33 +020040 TEXT_TEXT
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +110041 SCHED_TEXT
42 LOCK_TEXT
43 KPROBES_TEXT
44 *(.fixup)
45
Stephen Rothwellcabb5582005-09-30 16:16:52 +100046#ifdef CONFIG_PPC32
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +110047 *(.got1)
48 __got2_start = .;
49 *(.got2)
50 __got2_end = .;
51#endif /* CONFIG_PPC32 */
Paul Mackerras14cf11a2005-09-26 16:04:21 +100052
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +110053 . = ALIGN(PAGE_SIZE);
54 _etext = .;
55 PROVIDE32 (etext = .);
56 }
Paul Mackerras14cf11a2005-09-26 16:04:21 +100057
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +110058 /* Read-only data */
59 RODATA
Paul Mackerras14cf11a2005-09-26 16:04:21 +100060
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +110061 /* Exception & bug tables */
Paul Mackerras14cf11a2005-09-26 16:04:21 +100062 __ex_table : {
63 __start___ex_table = .;
64 *(__ex_table)
65 __stop___ex_table = .;
66 }
67
Roland McGrath8fb775e2007-07-19 01:48:38 -070068 NOTES
69
Jeremy Fitzhardinge73c9cea2006-12-08 03:30:41 -080070 BUG_TABLE
Paul Mackerras14cf11a2005-09-26 16:04:21 +100071
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +110072/*
73 * Init sections discarded at runtime
74 */
75 . = ALIGN(PAGE_SIZE);
76 __init_begin = .;
77
78 .init.text : {
79 _sinittext = .;
80 *(.init.text)
81 _einittext = .;
82 }
83
84 /* .exit.text is discarded at runtime, not link time,
85 * to deal with references from __bug_table
86 */
87 .exit.text : { *(.exit.text) }
88
89 .init.data : {
90 *(.init.data);
91 __vtop_table_begin = .;
92 *(.vtop_fixup);
93 __vtop_table_end = .;
94 __ptov_table_begin = .;
95 *(.ptov_fixup);
96 __ptov_table_end = .;
Stephen Rothwellc4e3ea22006-05-19 17:04:48 +100097#ifdef CONFIG_PPC_ISERIES
98 __dt_strings_start = .;
99 *(.dt_strings);
100 __dt_strings_end = .;
101#endif
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +1100102 }
103
104 . = ALIGN(16);
105 .init.setup : {
106 __setup_start = .;
107 *(.init.setup)
108 __setup_end = .;
109 }
110
111 .initcall.init : {
112 __initcall_start = .;
Andrew Morton61ce1ef2006-10-27 11:41:44 -0700113 INITCALLS
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +1100114 __initcall_end = .;
115 }
116
117 .con_initcall.init : {
118 __con_initcall_start = .;
119 *(.con_initcall.init)
120 __con_initcall_end = .;
121 }
122
123 SECURITY_INIT
124
125 . = ALIGN(8);
Stephen Rothwellcabb5582005-09-30 16:16:52 +1000126 __ftr_fixup : {
127 __start___ftr_fixup = .;
128 *(__ftr_fixup)
129 __stop___ftr_fixup = .;
130 }
Stephen Rothwell3f639ee2006-09-25 18:19:00 +1000131#ifdef CONFIG_PPC64
132 . = ALIGN(8);
133 __fw_ftr_fixup : {
134 __start___fw_ftr_fixup = .;
135 *(__fw_ftr_fixup)
136 __stop___fw_ftr_fixup = .;
137 }
138#endif
Jean-Paul Saman67d38222007-02-10 01:44:44 -0800139#ifdef CONFIG_BLK_DEV_INITRD
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +1100140 . = ALIGN(PAGE_SIZE);
141 .init.ramfs : {
142 __initramfs_start = .;
143 *(.init.ramfs)
144 __initramfs_end = .;
145 }
Jean-Paul Saman67d38222007-02-10 01:44:44 -0800146#endif
Jeremy Fitzhardingeb6e35902007-05-02 19:27:12 +0200147 . = ALIGN(PAGE_SIZE);
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +1100148 .data.percpu : {
149 __per_cpu_start = .;
150 *(.data.percpu)
Fenghua Yu5fb7dc32007-07-19 01:48:12 -0700151 *(.data.percpu.shared_aligned)
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +1100152 __per_cpu_end = .;
153 }
154
155 . = ALIGN(8);
156 .machine.desc : {
157 __machine_desc_start = . ;
158 *(.machine.desc)
159 __machine_desc_end = . ;
160 }
161
162 /* freed after init ends here */
163 . = ALIGN(PAGE_SIZE);
164 __init_end = .;
165
166/*
167 * And now the various read/write data
168 */
169
170 . = ALIGN(PAGE_SIZE);
171 _sdata = .;
Paul Mackerras14cf11a2005-09-26 16:04:21 +1000172
Stephen Rothwellcabb5582005-09-30 16:16:52 +1000173#ifdef CONFIG_PPC32
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +1100174 .data :
175 {
Sam Ravnborgca967252007-05-17 13:38:44 +0200176 DATA_DATA
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +1100177 *(.sdata)
178 *(.got.plt) *(.got)
179 }
Stephen Rothwellcabb5582005-09-30 16:16:52 +1000180#else
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +1100181 .data : {
Mathieu Desnoyers3ae0aa92007-06-16 22:29:04 -0400182 DATA_DATA
183 *(.data.rel*)
184 *(.toc1)
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +1100185 *(.branch_lt)
186 }
Paul Mackerras14cf11a2005-09-26 16:04:21 +1000187
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +1100188 .opd : {
189 *(.opd)
190 }
Paul Mackerras14cf11a2005-09-26 16:04:21 +1000191
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +1100192 .got : {
193 __toc_start = .;
194 *(.got)
195 *(.toc)
196 }
Stephen Rothwellcabb5582005-09-30 16:16:52 +1000197#endif
Paul Mackerras4a288562005-10-10 22:38:46 +1000198
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +1100199 . = ALIGN(PAGE_SIZE);
200 _edata = .;
201 PROVIDE32 (edata = .);
Stephen Rothwellcabb5582005-09-30 16:16:52 +1000202
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +1100203 /* The initial task and kernel stack */
Stephen Rothwellcabb5582005-09-30 16:16:52 +1000204#ifdef CONFIG_PPC32
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +1100205 . = ALIGN(8192);
206#else
207 . = ALIGN(16384);
Stephen Rothwellcabb5582005-09-30 16:16:52 +1000208#endif
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +1100209 .data.init_task : {
210 *(.data.init_task)
211 }
212
213 . = ALIGN(PAGE_SIZE);
214 .data.page_aligned : {
215 *(.data.page_aligned)
216 }
217
218 .data.cacheline_aligned : {
219 *(.data.cacheline_aligned)
220 }
221
Tony Breedsbd67fcf2007-07-04 14:04:31 +1000222 . = ALIGN(L1_CACHE_BYTES);
223 .data.read_mostly : {
224 *(.data.read_mostly)
225 }
226
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +1100227 . = ALIGN(PAGE_SIZE);
228 __data_nosave : {
229 __nosave_begin = .;
230 *(.data.nosave)
231 . = ALIGN(PAGE_SIZE);
232 __nosave_end = .;
233 }
234
235/*
236 * And finally the bss
237 */
238
239 .bss : {
240 __bss_start = .;
241 *(.sbss) *(.scommon)
242 *(.dynbss)
243 *(.bss)
244 *(COMMON)
245 __bss_stop = .;
246 }
247
248 . = ALIGN(PAGE_SIZE);
249 _end = . ;
250 PROVIDE32 (end = .);
Paul Mackerras14cf11a2005-09-26 16:04:21 +1000251}