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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 : {
Eric W. Biedermanfd593d12006-12-07 02:14:04 +010037 _text = .;
Sam Ravnborg76647092007-05-13 00:31:33 +020038 TEXT_TEXT
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +110039 SCHED_TEXT
40 LOCK_TEXT
41 KPROBES_TEXT
42 *(.fixup)
43
Stephen Rothwellcabb5582005-09-30 16:16:52 +100044#ifdef CONFIG_PPC32
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +110045 *(.got1)
46 __got2_start = .;
47 *(.got2)
48 __got2_end = .;
49#endif /* CONFIG_PPC32 */
Paul Mackerras14cf11a2005-09-26 16:04:21 +100050
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +110051 . = ALIGN(PAGE_SIZE);
52 _etext = .;
53 PROVIDE32 (etext = .);
54 }
Paul Mackerras14cf11a2005-09-26 16:04:21 +100055
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +110056 /* Read-only data */
57 RODATA
Paul Mackerras14cf11a2005-09-26 16:04:21 +100058
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +110059 /* Exception & bug tables */
Paul Mackerras14cf11a2005-09-26 16:04:21 +100060 __ex_table : {
61 __start___ex_table = .;
62 *(__ex_table)
63 __stop___ex_table = .;
64 }
65
Roland McGrath8fb775e2007-07-19 01:48:38 -070066 NOTES
67
Jeremy Fitzhardinge73c9cea2006-12-08 03:30:41 -080068 BUG_TABLE
Paul Mackerras14cf11a2005-09-26 16:04:21 +100069
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +110070/*
71 * Init sections discarded at runtime
72 */
73 . = ALIGN(PAGE_SIZE);
74 __init_begin = .;
75
76 .init.text : {
77 _sinittext = .;
78 *(.init.text)
79 _einittext = .;
80 }
81
82 /* .exit.text is discarded at runtime, not link time,
83 * to deal with references from __bug_table
84 */
85 .exit.text : { *(.exit.text) }
86
87 .init.data : {
88 *(.init.data);
89 __vtop_table_begin = .;
90 *(.vtop_fixup);
91 __vtop_table_end = .;
92 __ptov_table_begin = .;
93 *(.ptov_fixup);
94 __ptov_table_end = .;
Stephen Rothwellc4e3ea22006-05-19 17:04:48 +100095#ifdef CONFIG_PPC_ISERIES
96 __dt_strings_start = .;
97 *(.dt_strings);
98 __dt_strings_end = .;
99#endif
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +1100100 }
101
102 . = ALIGN(16);
103 .init.setup : {
104 __setup_start = .;
105 *(.init.setup)
106 __setup_end = .;
107 }
108
109 .initcall.init : {
110 __initcall_start = .;
Andrew Morton61ce1ef2006-10-27 11:41:44 -0700111 INITCALLS
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +1100112 __initcall_end = .;
113 }
114
115 .con_initcall.init : {
116 __con_initcall_start = .;
117 *(.con_initcall.init)
118 __con_initcall_end = .;
119 }
120
121 SECURITY_INIT
122
123 . = ALIGN(8);
Stephen Rothwellcabb5582005-09-30 16:16:52 +1000124 __ftr_fixup : {
125 __start___ftr_fixup = .;
126 *(__ftr_fixup)
127 __stop___ftr_fixup = .;
128 }
Stephen Rothwell3f639ee2006-09-25 18:19:00 +1000129#ifdef CONFIG_PPC64
130 . = ALIGN(8);
131 __fw_ftr_fixup : {
132 __start___fw_ftr_fixup = .;
133 *(__fw_ftr_fixup)
134 __stop___fw_ftr_fixup = .;
135 }
136#endif
Jean-Paul Saman67d38222007-02-10 01:44:44 -0800137#ifdef CONFIG_BLK_DEV_INITRD
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +1100138 . = ALIGN(PAGE_SIZE);
139 .init.ramfs : {
140 __initramfs_start = .;
141 *(.init.ramfs)
142 __initramfs_end = .;
143 }
Jean-Paul Saman67d38222007-02-10 01:44:44 -0800144#endif
Jeremy Fitzhardingeb6e35902007-05-02 19:27:12 +0200145 . = ALIGN(PAGE_SIZE);
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +1100146 .data.percpu : {
147 __per_cpu_start = .;
148 *(.data.percpu)
Fenghua Yu5fb7dc32007-07-19 01:48:12 -0700149 *(.data.percpu.shared_aligned)
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +1100150 __per_cpu_end = .;
151 }
152
153 . = ALIGN(8);
154 .machine.desc : {
155 __machine_desc_start = . ;
156 *(.machine.desc)
157 __machine_desc_end = . ;
158 }
159
160 /* freed after init ends here */
161 . = ALIGN(PAGE_SIZE);
162 __init_end = .;
163
164/*
165 * And now the various read/write data
166 */
167
168 . = ALIGN(PAGE_SIZE);
169 _sdata = .;
Paul Mackerras14cf11a2005-09-26 16:04:21 +1000170
Stephen Rothwellcabb5582005-09-30 16:16:52 +1000171#ifdef CONFIG_PPC32
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +1100172 .data :
173 {
Sam Ravnborgca967252007-05-17 13:38:44 +0200174 DATA_DATA
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +1100175 *(.sdata)
176 *(.got.plt) *(.got)
177 }
Stephen Rothwellcabb5582005-09-30 16:16:52 +1000178#else
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +1100179 .data : {
180 *(.data .data.rel* .toc1)
181 *(.branch_lt)
182 }
Paul Mackerras14cf11a2005-09-26 16:04:21 +1000183
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +1100184 .opd : {
185 *(.opd)
186 }
Paul Mackerras14cf11a2005-09-26 16:04:21 +1000187
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +1100188 .got : {
189 __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
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +1100205 .data.init_task : {
206 *(.data.init_task)
207 }
208
209 . = ALIGN(PAGE_SIZE);
210 .data.page_aligned : {
211 *(.data.page_aligned)
212 }
213
214 .data.cacheline_aligned : {
215 *(.data.cacheline_aligned)
216 }
217
Tony Breedsbd67fcf2007-07-04 14:04:31 +1000218 . = ALIGN(L1_CACHE_BYTES);
219 .data.read_mostly : {
220 *(.data.read_mostly)
221 }
222
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +1100223 . = ALIGN(PAGE_SIZE);
224 __data_nosave : {
225 __nosave_begin = .;
226 *(.data.nosave)
227 . = ALIGN(PAGE_SIZE);
228 __nosave_end = .;
229 }
230
231/*
232 * And finally the bss
233 */
234
235 .bss : {
236 __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}