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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
Jeremy Fitzhardinge73c9cea2006-12-08 03:30:41 -080066 BUG_TABLE
Paul Mackerras14cf11a2005-09-26 16:04:21 +100067
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +110068/*
69 * Init sections discarded at runtime
70 */
71 . = ALIGN(PAGE_SIZE);
72 __init_begin = .;
73
74 .init.text : {
75 _sinittext = .;
76 *(.init.text)
77 _einittext = .;
78 }
79
80 /* .exit.text is discarded at runtime, not link time,
81 * to deal with references from __bug_table
82 */
83 .exit.text : { *(.exit.text) }
84
85 .init.data : {
86 *(.init.data);
87 __vtop_table_begin = .;
88 *(.vtop_fixup);
89 __vtop_table_end = .;
90 __ptov_table_begin = .;
91 *(.ptov_fixup);
92 __ptov_table_end = .;
Stephen Rothwellc4e3ea22006-05-19 17:04:48 +100093#ifdef CONFIG_PPC_ISERIES
94 __dt_strings_start = .;
95 *(.dt_strings);
96 __dt_strings_end = .;
97#endif
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +110098 }
99
100 . = ALIGN(16);
101 .init.setup : {
102 __setup_start = .;
103 *(.init.setup)
104 __setup_end = .;
105 }
106
107 .initcall.init : {
108 __initcall_start = .;
Andrew Morton61ce1ef2006-10-27 11:41:44 -0700109 INITCALLS
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +1100110 __initcall_end = .;
111 }
112
113 .con_initcall.init : {
114 __con_initcall_start = .;
115 *(.con_initcall.init)
116 __con_initcall_end = .;
117 }
118
119 SECURITY_INIT
120
121 . = ALIGN(8);
Stephen Rothwellcabb5582005-09-30 16:16:52 +1000122 __ftr_fixup : {
123 __start___ftr_fixup = .;
124 *(__ftr_fixup)
125 __stop___ftr_fixup = .;
126 }
Stephen Rothwell3f639ee2006-09-25 18:19:00 +1000127#ifdef CONFIG_PPC64
128 . = ALIGN(8);
129 __fw_ftr_fixup : {
130 __start___fw_ftr_fixup = .;
131 *(__fw_ftr_fixup)
132 __stop___fw_ftr_fixup = .;
133 }
134#endif
Jean-Paul Saman67d38222007-02-10 01:44:44 -0800135#ifdef CONFIG_BLK_DEV_INITRD
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +1100136 . = ALIGN(PAGE_SIZE);
137 .init.ramfs : {
138 __initramfs_start = .;
139 *(.init.ramfs)
140 __initramfs_end = .;
141 }
Jean-Paul Saman67d38222007-02-10 01:44:44 -0800142#endif
Jeremy Fitzhardingeb6e35902007-05-02 19:27:12 +0200143 . = ALIGN(PAGE_SIZE);
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +1100144 .data.percpu : {
145 __per_cpu_start = .;
146 *(.data.percpu)
147 __per_cpu_end = .;
148 }
149
150 . = ALIGN(8);
151 .machine.desc : {
152 __machine_desc_start = . ;
153 *(.machine.desc)
154 __machine_desc_end = . ;
155 }
156
157 /* freed after init ends here */
158 . = ALIGN(PAGE_SIZE);
159 __init_end = .;
160
161/*
162 * And now the various read/write data
163 */
164
165 . = ALIGN(PAGE_SIZE);
166 _sdata = .;
Paul Mackerras14cf11a2005-09-26 16:04:21 +1000167
Stephen Rothwellcabb5582005-09-30 16:16:52 +1000168#ifdef CONFIG_PPC32
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +1100169 .data :
170 {
Sam Ravnborgca967252007-05-17 13:38:44 +0200171 DATA_DATA
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +1100172 *(.sdata)
173 *(.got.plt) *(.got)
174 }
Stephen Rothwellcabb5582005-09-30 16:16:52 +1000175#else
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +1100176 .data : {
177 *(.data .data.rel* .toc1)
178 *(.branch_lt)
179 }
Paul Mackerras14cf11a2005-09-26 16:04:21 +1000180
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +1100181 .opd : {
182 *(.opd)
183 }
Paul Mackerras14cf11a2005-09-26 16:04:21 +1000184
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +1100185 .got : {
186 __toc_start = .;
187 *(.got)
188 *(.toc)
189 }
Stephen Rothwellcabb5582005-09-30 16:16:52 +1000190#endif
Paul Mackerras4a288562005-10-10 22:38:46 +1000191
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +1100192 . = ALIGN(PAGE_SIZE);
193 _edata = .;
194 PROVIDE32 (edata = .);
Stephen Rothwellcabb5582005-09-30 16:16:52 +1000195
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +1100196 /* The initial task and kernel stack */
Stephen Rothwellcabb5582005-09-30 16:16:52 +1000197#ifdef CONFIG_PPC32
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +1100198 . = ALIGN(8192);
199#else
200 . = ALIGN(16384);
Stephen Rothwellcabb5582005-09-30 16:16:52 +1000201#endif
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +1100202 .data.init_task : {
203 *(.data.init_task)
204 }
205
206 . = ALIGN(PAGE_SIZE);
207 .data.page_aligned : {
208 *(.data.page_aligned)
209 }
210
211 .data.cacheline_aligned : {
212 *(.data.cacheline_aligned)
213 }
214
Tony Breedsbd67fcf2007-07-04 14:04:31 +1000215 . = ALIGN(L1_CACHE_BYTES);
216 .data.read_mostly : {
217 *(.data.read_mostly)
218 }
219
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +1100220 . = ALIGN(PAGE_SIZE);
221 __data_nosave : {
222 __nosave_begin = .;
223 *(.data.nosave)
224 . = ALIGN(PAGE_SIZE);
225 __nosave_end = .;
226 }
227
228/*
229 * And finally the bss
230 */
231
232 .bss : {
233 __bss_start = .;
234 *(.sbss) *(.scommon)
235 *(.dynbss)
236 *(.bss)
237 *(COMMON)
238 __bss_stop = .;
239 }
240
241 . = ALIGN(PAGE_SIZE);
242 _end = . ;
243 PROVIDE32 (end = .);
Paul Mackerras14cf11a2005-09-26 16:04:21 +1000244}