xref: /linux/arch/powerpc/kernel/vmlinux.lds.S (revision 5e8d780d745c1619aba81fe7166c5a4b5cad2b84) 
1#include <linux/config.h>
2#ifdef CONFIG_PPC64
3#include <asm/page.h>
4#define PROVIDE32(x)	PROVIDE(__unused__##x)
5#else
6#define PAGE_SIZE	4096
7#define KERNELBASE	CONFIG_KERNEL_START
8#define PROVIDE32(x)	PROVIDE(x)
9#endif
10#include <asm-generic/vmlinux.lds.h>
11
12ENTRY(_stext)
13
14#ifdef CONFIG_PPC64
15OUTPUT_ARCH(powerpc:common64)
16jiffies = jiffies_64;
17#else
18OUTPUT_ARCH(powerpc:common)
19jiffies = jiffies_64 + 4;
20#endif
21SECTIONS
22{
23	/* Sections to be discarded. */
24	/DISCARD/ : {
25	*(.exitcall.exit)
26	*(.exit.data)
27	}
28
29	. = KERNELBASE;
30
31/*
32 * Text, read only data and other permanent read-only sections
33 */
34
35	/* Text and gots */
36	.text : {
37		*(.text .text.*)
38		SCHED_TEXT
39		LOCK_TEXT
40		KPROBES_TEXT
41		*(.fixup)
42
43#ifdef CONFIG_PPC32
44		*(.got1)
45		__got2_start = .;
46		*(.got2)
47		__got2_end = .;
48#endif /* CONFIG_PPC32 */
49
50		. = ALIGN(PAGE_SIZE);
51		_etext = .;
52		PROVIDE32 (etext = .);
53	}
54
55	/* Read-only data */
56	RODATA
57
58	/* Exception & bug tables */
59	__ex_table : {
60		__start___ex_table = .;
61		*(__ex_table)
62		__stop___ex_table = .;
63	}
64
65	__bug_table : {
66		__start___bug_table = .;
67		*(__bug_table)
68		__stop___bug_table = .;
69	}
70
71/*
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 = .;
96#ifdef CONFIG_PPC_ISERIES
97		__dt_strings_start = .;
98		*(.dt_strings);
99		__dt_strings_end = .;
100#endif
101	}
102
103	. = ALIGN(16);
104	.init.setup : {
105		__setup_start = .;
106		*(.init.setup)
107		__setup_end = .;
108	}
109
110	.initcall.init : {
111		__initcall_start = .;
112		*(.initcall1.init)
113		*(.initcall2.init)
114		*(.initcall3.init)
115		*(.initcall4.init)
116		*(.initcall5.init)
117		*(.initcall6.init)
118		*(.initcall7.init)
119		__initcall_end = .;
120		}
121
122	.con_initcall.init : {
123		__con_initcall_start = .;
124		*(.con_initcall.init)
125		__con_initcall_end = .;
126	}
127
128	SECURITY_INIT
129
130	. = ALIGN(8);
131	__ftr_fixup : {
132		__start___ftr_fixup = .;
133		*(__ftr_fixup)
134		__stop___ftr_fixup = .;
135	}
136
137	. = ALIGN(PAGE_SIZE);
138	.init.ramfs : {
139		__initramfs_start = .;
140		*(.init.ramfs)
141		__initramfs_end = .;
142	}
143
144#ifdef CONFIG_PPC32
145	. = ALIGN(32);
146#else
147	. = ALIGN(128);
148#endif
149	.data.percpu : {
150		__per_cpu_start = .;
151		*(.data.percpu)
152		__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 = .;
172
173#ifdef CONFIG_PPC32
174	.data    :
175	{
176		*(.data)
177		*(.sdata)
178		*(.got.plt) *(.got)
179	}
180#else
181	.data : {
182		*(.data .data.rel* .toc1)
183		*(.branch_lt)
184	}
185
186	.opd : {
187		*(.opd)
188	}
189
190	.got : {
191		__toc_start = .;
192		*(.got)
193		*(.toc)
194	}
195#endif
196
197	. = ALIGN(PAGE_SIZE);
198	_edata  =  .;
199	PROVIDE32 (edata = .);
200
201	/* The initial task and kernel stack */
202#ifdef CONFIG_PPC32
203	. = ALIGN(8192);
204#else
205	. = ALIGN(16384);
206#endif
207	.data.init_task : {
208		*(.data.init_task)
209	}
210
211	. = ALIGN(PAGE_SIZE);
212	.data.page_aligned : {
213		*(.data.page_aligned)
214	}
215
216	.data.cacheline_aligned : {
217		*(.data.cacheline_aligned)
218	}
219
220	. = 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 = .);
244}
245