blob: 7eefeb4a30e70b9837f3e50eb045444521095baf [file] [log] [blame]
Paul Mackerrasc51e3a412005-11-05 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 Mackerrasc51e3a412005-11-05 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 Mackerrasc51e3a412005-11-05 10:36:59 +11008#endif
Paul Mackerras14cf11a2005-09-26 16:04:21 +10009#include <asm-generic/vmlinux.lds.h>
10
Michael Ellermane19e4ab2005-11-03 16:03:06 +110011ENTRY(_stext)
12
Stephen Rothwellcabb5582005-09-30 16:16:52 +100013#ifdef CONFIG_PPC64
14OUTPUT_ARCH(powerpc:common64)
15jiffies = jiffies_64;
16#else
Paul Mackerras14cf11a2005-09-26 16:04:21 +100017OUTPUT_ARCH(powerpc:common)
18jiffies = jiffies_64 + 4;
Stephen Rothwellcabb5582005-09-30 16:16:52 +100019#endif
Paul Mackerras14cf11a2005-09-26 16:04:21 +100020SECTIONS
21{
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +110022 /* Sections to be discarded. */
23 /DISCARD/ : {
24 *(.exitcall.exit)
25 *(.exit.data)
26 }
Stephen Rothwellcabb5582005-09-30 16:16:52 +100027
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +110028 . = KERNELBASE;
Stephen Rothwellcabb5582005-09-30 16:16:52 +100029
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +110030/*
31 * Text, read only data and other permanent read-only sections
32 */
33
34 /* Text and gots */
35 .text : {
Eric W. Biedermanfd593d12006-12-07 02:14:04 +010036 _text = .;
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +110037 *(.text .text.*)
38 SCHED_TEXT
39 LOCK_TEXT
40 KPROBES_TEXT
41 *(.fixup)
42
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 */
Paul Mackerras14cf11a2005-09-26 16:04:21 +100059 __ex_table : {
60 __start___ex_table = .;
61 *(__ex_table)
62 __stop___ex_table = .;
63 }
64
Jeremy Fitzhardinge73c9cea2006-12-08 03:30:41 -080065 BUG_TABLE
Paul Mackerras14cf11a2005-09-26 16:04:21 +100066
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +110067/*
68 * Init sections discarded at runtime
69 */
70 . = ALIGN(PAGE_SIZE);
71 __init_begin = .;
72
73 .init.text : {
74 _sinittext = .;
75 *(.init.text)
76 _einittext = .;
77 }
78
79 /* .exit.text is discarded at runtime, not link time,
80 * to deal with references from __bug_table
81 */
82 .exit.text : { *(.exit.text) }
83
84 .init.data : {
85 *(.init.data);
86 __vtop_table_begin = .;
87 *(.vtop_fixup);
88 __vtop_table_end = .;
89 __ptov_table_begin = .;
90 *(.ptov_fixup);
91 __ptov_table_end = .;
Stephen Rothwellc4e3ea22006-05-19 17:04:48 +100092#ifdef CONFIG_PPC_ISERIES
93 __dt_strings_start = .;
94 *(.dt_strings);
95 __dt_strings_end = .;
96#endif
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +110097 }
98
99 . = ALIGN(16);
100 .init.setup : {
101 __setup_start = .;
102 *(.init.setup)
103 __setup_end = .;
104 }
105
106 .initcall.init : {
107 __initcall_start = .;
Andrew Morton61ce1ef2006-10-27 11:41:44 -0700108 INITCALLS
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +1100109 __initcall_end = .;
110 }
111
112 .con_initcall.init : {
113 __con_initcall_start = .;
114 *(.con_initcall.init)
115 __con_initcall_end = .;
116 }
117
118 SECURITY_INIT
119
120 . = ALIGN(8);
Stephen Rothwellcabb5582005-09-30 16:16:52 +1000121 __ftr_fixup : {
122 __start___ftr_fixup = .;
123 *(__ftr_fixup)
124 __stop___ftr_fixup = .;
125 }
Stephen Rothwell3f639ee2006-09-25 18:19:00 +1000126#ifdef CONFIG_PPC64
127 . = ALIGN(8);
128 __fw_ftr_fixup : {
129 __start___fw_ftr_fixup = .;
130 *(__fw_ftr_fixup)
131 __stop___fw_ftr_fixup = .;
132 }
133#endif
Jean-Paul Saman67d38222007-02-10 01:44:44 -0800134#ifdef CONFIG_BLK_DEV_INITRD
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +1100135 . = ALIGN(PAGE_SIZE);
136 .init.ramfs : {
137 __initramfs_start = .;
138 *(.init.ramfs)
139 __initramfs_end = .;
140 }
Jean-Paul Saman67d38222007-02-10 01:44:44 -0800141#endif
Stephen Rothwellcabb5582005-09-30 16:16:52 +1000142#ifdef CONFIG_PPC32
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +1100143 . = ALIGN(32);
Stephen Rothwellcabb5582005-09-30 16:16:52 +1000144#else
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +1100145 . = ALIGN(128);
Stephen Rothwellcabb5582005-09-30 16:16:52 +1000146#endif
Benjamin Herrenschmidte8222502006-03-28 23:15:54 +1100147 .data.percpu : {
148 __per_cpu_start = .;
149 *(.data.percpu)
150 __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 {
174 *(.data)
175 *(.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
218 . = ALIGN(PAGE_SIZE);
219 __data_nosave : {
220 __nosave_begin = .;
221 *(.data.nosave)
222 . = ALIGN(PAGE_SIZE);
223 __nosave_end = .;
224 }
225
226/*
227 * And finally the bss
228 */
229
230 .bss : {
231 __bss_start = .;
232 *(.sbss) *(.scommon)
233 *(.dynbss)
234 *(.bss)
235 *(COMMON)
236 __bss_stop = .;
237 }
238
239 . = ALIGN(PAGE_SIZE);
240 _end = . ;
241 PROVIDE32 (end = .);
Paul Mackerras14cf11a2005-09-26 16:04:21 +1000242}