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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 = .;
Stephen Rothwelle95c9182007-11-04 13:28:39 +110040 *(.text .fixup .text.init.refok .exit.text.refok)
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +110041 SCHED_TEXT
42 LOCK_TEXT
43 KPROBES_TEXT
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +110044
Stephen Rothwellcabb5582005-09-30 16:16:52 +100045#ifdef CONFIG_PPC32
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +110046 *(.got1)
47 __got2_start = .;
48 *(.got2)
49 __got2_end = .;
50#endif /* CONFIG_PPC32 */
Paul Mackerras14cf11a2005-09-26 16:04:21 +100051
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +110052 . = ALIGN(PAGE_SIZE);
53 _etext = .;
54 PROVIDE32 (etext = .);
55 }
Paul Mackerras14cf11a2005-09-26 16:04:21 +100056
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +110057 /* Read-only data */
58 RODATA
Paul Mackerras14cf11a2005-09-26 16:04:21 +100059
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +110060 /* Exception & bug tables */
Paul Mackerras14cf11a2005-09-26 16:04:21 +100061 __ex_table : {
62 __start___ex_table = .;
63 *(__ex_table)
64 __stop___ex_table = .;
65 }
66
Roland McGrath8fb775e2007-07-19 01:48:38 -070067 NOTES
68
Jeremy Fitzhardinge73c9cea2006-12-08 03:30:41 -080069 BUG_TABLE
Paul Mackerras14cf11a2005-09-26 16:04:21 +100070
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +110071/*
72 * Init sections discarded at runtime
73 */
74 . = ALIGN(PAGE_SIZE);
75 __init_begin = .;
76
77 .init.text : {
78 _sinittext = .;
79 *(.init.text)
80 _einittext = .;
81 }
82
83 /* .exit.text is discarded at runtime, not link time,
84 * to deal with references from __bug_table
85 */
86 .exit.text : { *(.exit.text) }
87
88 .init.data : {
89 *(.init.data);
90 __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);
104 .init.setup : {
105 __setup_start = .;
106 *(.init.setup)
107 __setup_end = .;
108 }
109
110 .initcall.init : {
111 __initcall_start = .;
Andrew Morton61ce1ef2006-10-27 11:41:44 -0700112 INITCALLS
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +1100113 __initcall_end = .;
114 }
115
116 .con_initcall.init : {
117 __con_initcall_start = .;
118 *(.con_initcall.init)
119 __con_initcall_end = .;
120 }
121
122 SECURITY_INIT
123
124 . = ALIGN(8);
Stephen Rothwellcabb5582005-09-30 16:16:52 +1000125 __ftr_fixup : {
126 __start___ftr_fixup = .;
127 *(__ftr_fixup)
128 __stop___ftr_fixup = .;
129 }
Stephen Rothwell3f639ee2006-09-25 18:19:00 +1000130#ifdef CONFIG_PPC64
131 . = ALIGN(8);
132 __fw_ftr_fixup : {
133 __start___fw_ftr_fixup = .;
134 *(__fw_ftr_fixup)
135 __stop___fw_ftr_fixup = .;
136 }
137#endif
Jean-Paul Saman67d38222007-02-10 01:44:44 -0800138#ifdef CONFIG_BLK_DEV_INITRD
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +1100139 . = ALIGN(PAGE_SIZE);
140 .init.ramfs : {
141 __initramfs_start = .;
142 *(.init.ramfs)
143 __initramfs_end = .;
144 }
Jean-Paul Saman67d38222007-02-10 01:44:44 -0800145#endif
Jeremy Fitzhardingeb6e35902007-05-02 19:27:12 +0200146 . = ALIGN(PAGE_SIZE);
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +1100147 .data.percpu : {
148 __per_cpu_start = .;
149 *(.data.percpu)
Fenghua Yu5fb7dc32007-07-19 01:48:12 -0700150 *(.data.percpu.shared_aligned)
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +1100151 __per_cpu_end = .;
152 }
153
154 . = ALIGN(8);
155 .machine.desc : {
156 __machine_desc_start = . ;
157 *(.machine.desc)
158 __machine_desc_end = . ;
159 }
160
161 /* freed after init ends here */
162 . = ALIGN(PAGE_SIZE);
163 __init_end = .;
164
165/*
166 * And now the various read/write data
167 */
168
169 . = ALIGN(PAGE_SIZE);
170 _sdata = .;
Paul Mackerras14cf11a2005-09-26 16:04:21 +1000171
Stephen Rothwellcabb5582005-09-30 16:16:52 +1000172#ifdef CONFIG_PPC32
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +1100173 .data :
174 {
Sam Ravnborgca967252007-05-17 13:38:44 +0200175 DATA_DATA
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +1100176 *(.sdata)
177 *(.got.plt) *(.got)
178 }
Stephen Rothwellcabb5582005-09-30 16:16:52 +1000179#else
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +1100180 .data : {
Mathieu Desnoyers3ae0aa92007-06-16 22:29:04 -0400181 DATA_DATA
182 *(.data.rel*)
183 *(.toc1)
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +1100184 *(.branch_lt)
185 }
Paul Mackerras14cf11a2005-09-26 16:04:21 +1000186
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +1100187 .opd : {
188 *(.opd)
189 }
Paul Mackerras14cf11a2005-09-26 16:04:21 +1000190
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +1100191 .got : {
192 __toc_start = .;
193 *(.got)
194 *(.toc)
195 }
Stephen Rothwellcabb5582005-09-30 16:16:52 +1000196#endif
Paul Mackerras4a288562005-10-10 22:38:46 +1000197
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +1100198 . = ALIGN(PAGE_SIZE);
199 _edata = .;
200 PROVIDE32 (edata = .);
Stephen Rothwellcabb5582005-09-30 16:16:52 +1000201
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +1100202 /* The initial task and kernel stack */
Stephen Rothwellcabb5582005-09-30 16:16:52 +1000203#ifdef CONFIG_PPC32
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +1100204 . = ALIGN(8192);
205#else
206 . = ALIGN(16384);
Stephen Rothwellcabb5582005-09-30 16:16:52 +1000207#endif
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +1100208 .data.init_task : {
209 *(.data.init_task)
210 }
211
212 . = ALIGN(PAGE_SIZE);
213 .data.page_aligned : {
214 *(.data.page_aligned)
215 }
216
217 .data.cacheline_aligned : {
218 *(.data.cacheline_aligned)
219 }
220
Tony Breedsbd67fcf2007-07-04 14:04:31 +1000221 . = ALIGN(L1_CACHE_BYTES);
222 .data.read_mostly : {
223 *(.data.read_mostly)
224 }
225
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +1100226 . = ALIGN(PAGE_SIZE);
227 __data_nosave : {
228 __nosave_begin = .;
229 *(.data.nosave)
230 . = ALIGN(PAGE_SIZE);
231 __nosave_end = .;
232 }
233
234/*
235 * And finally the bss
236 */
237
238 .bss : {
239 __bss_start = .;
240 *(.sbss) *(.scommon)
241 *(.dynbss)
242 *(.bss)
243 *(COMMON)
244 __bss_stop = .;
245 }
246
247 . = ALIGN(PAGE_SIZE);
248 _end = . ;
249 PROVIDE32 (end = .);
Paul Mackerras14cf11a2005-09-26 16:04:21 +1000250}