1 /* !! 1 #if defined(CONFIG_MMU) && !defined(CONFIG_COLDFIRE)
2 * arch/xtensa/kernel/vmlinux.lds.S !! 2 PHDRS
3 * <<
4 * Xtensa linker script <<
5 * <<
6 * This file is subject to the terms and condi <<
7 * License. See the file "COPYING" in the mai <<
8 * for more details. <<
9 * <<
10 * Copyright (C) 2001 - 2008 Tensilica Inc. <<
11 * <<
12 * Chris Zankel <chris@zankel.net> <<
13 * Marc Gauthier <marc@tensilica.com, marc@alum <<
14 * Joe Taylor <joe@tensilica.com, joetylr@yahoo <<
15 */ <<
16 <<
17 #define RO_EXCEPTION_TABLE_ALIGN 16 <<
18 <<
19 #include <asm-generic/vmlinux.lds.h> <<
20 #include <asm/page.h> <<
21 #include <asm/thread_info.h> <<
22 <<
23 #include <asm/core.h> <<
24 #include <asm/vectors.h> <<
25 <<
26 OUTPUT_ARCH(xtensa) <<
27 ENTRY(_start) <<
28 <<
29 #ifdef __XTENSA_EB__ <<
30 jiffies = jiffies_64 + 4; <<
31 #else <<
32 jiffies = jiffies_64; <<
33 #endif <<
34 <<
35 /* Note: In the following macros, it would be <<
36 vector name and section kind and construct <<
37 CPP concatenation, but that does not work r <<
38 string with "." produces an invalid token. <<
39 warning because it thinks this is an assemb <<
40 them as multiple tokens and there may or ma <<
41 between them. */ <<
42 <<
43 /* Macro for a relocation entry */ <<
44 <<
45 #define RELOCATE_ENTRY(sym, section) <<
46 LONG(sym ## _start); <<
47 LONG(sym ## _end); <<
48 LONG(LOADADDR(section)) <<
49 <<
50 #if !defined(CONFIG_VECTORS_ADDR) && XCHAL_HAV <<
51 #define MERGED_VECTORS 1 <<
52 #else <<
53 #define MERGED_VECTORS 0 <<
54 #endif <<
55 <<
56 /* <<
57 * Macro to define a section for a vector. Whe <<
58 * code for every vector is located with other <<
59 * time head.S copies code for every vector to <<
60 * to description recorded in the correspondin <<
61 */ <<
62 <<
63 #define SECTION_VECTOR4(sym, section, addr, pr <<
64 section addr : AT(((LOADADDR(prevsec) + SIZE <<
65 { <<
66 . = ALIGN(4); <<
67 sym ## _start = ABSOLUTE(.); <<
68 *(section) <<
69 sym ## _end = ABSOLUTE(.); <<
70 } <<
71 <<
72 #define SECTION_VECTOR2(section, addr) <<
73 . = addr; <<
74 *(section) <<
75 <<
76 /* <<
77 * Mapping of input sections to output sectio <<
78 */ <<
79 <<
80 SECTIONS <<
81 { 3 {
82 . = KERNELOFFSET; !! 4 text PT_LOAD FILEHDR PHDRS FLAGS (7);
83 /* .text section */ !! 5 data PT_LOAD FLAGS (7);
84 !! 6 }
85 _text = .; !! 7 #ifdef CONFIG_SUN3
86 _stext = .; !! 8 #include "vmlinux-sun3.lds"
87 <<
88 .text : <<
89 { <<
90 /* The HEAD_TEXT section must be the first <<
91 HEAD_TEXT <<
92 <<
93 #if MERGED_VECTORS <<
94 . = ALIGN(PAGE_SIZE); <<
95 _vecbase = .; <<
96 <<
97 #ifdef SUPPORT_WINDOWED <<
98 SECTION_VECTOR2 (.WindowVectors.text, WIND <<
99 #endif <<
100 #if XCHAL_EXCM_LEVEL >= 2 <<
101 SECTION_VECTOR2 (.Level2InterruptVector.te <<
102 #endif <<
103 #if XCHAL_EXCM_LEVEL >= 3 <<
104 SECTION_VECTOR2 (.Level3InterruptVector.te <<
105 #endif <<
106 #if XCHAL_EXCM_LEVEL >= 4 <<
107 SECTION_VECTOR2 (.Level4InterruptVector.te <<
108 #endif <<
109 #if XCHAL_EXCM_LEVEL >= 5 <<
110 SECTION_VECTOR2 (.Level5InterruptVector.te <<
111 #endif <<
112 #if XCHAL_EXCM_LEVEL >= 6 <<
113 SECTION_VECTOR2 (.Level6InterruptVector.te <<
114 #endif <<
115 SECTION_VECTOR2 (.DebugInterruptVector.tex <<
116 SECTION_VECTOR2 (.KernelExceptionVector.te <<
117 SECTION_VECTOR2 (.UserExceptionVector.text <<
118 SECTION_VECTOR2 (.DoubleExceptionVector.te <<
119 <<
120 *(.exception.text) <<
121 *(.xiptext) <<
122 #endif <<
123 <<
124 IRQENTRY_TEXT <<
125 SOFTIRQENTRY_TEXT <<
126 ENTRY_TEXT <<
127 TEXT_TEXT <<
128 SCHED_TEXT <<
129 LOCK_TEXT <<
130 *(.fixup) <<
131 } <<
132 _etext = .; <<
133 PROVIDE (etext = .); <<
134 <<
135 . = ALIGN(16); <<
136 <<
137 RO_DATA(4096) <<
138 <<
139 /* Data section */ <<
140 <<
141 #ifdef CONFIG_XIP_KERNEL <<
142 INIT_TEXT_SECTION(PAGE_SIZE) <<
143 #else 9 #else
144 _sdata = .; !! 10 #include "vmlinux-std.lds"
145 RW_DATA(XCHAL_ICACHE_LINESIZE, PAGE_SIZE, TH <<
146 _edata = .; <<
147 <<
148 /* Initialization code and data: */ <<
149 <<
150 . = ALIGN(PAGE_SIZE); <<
151 __init_begin = .; <<
152 INIT_TEXT_SECTION(PAGE_SIZE) <<
153 <<
154 .init.data : <<
155 { <<
156 INIT_DATA <<
157 } <<
158 #endif <<
159 <<
160 .init.rodata : <<
161 { <<
162 . = ALIGN(0x4); <<
163 __tagtable_begin = .; <<
164 *(.taglist) <<
165 __tagtable_end = .; <<
166 <<
167 . = ALIGN(16); <<
168 __boot_reloc_table_start = ABSOLUTE(.); <<
169 <<
170 #if !MERGED_VECTORS <<
171 #ifdef SUPPORT_WINDOWED <<
172 RELOCATE_ENTRY(_WindowVectors_text, <<
173 .WindowVectors.text); <<
174 #endif <<
175 #if XCHAL_EXCM_LEVEL >= 2 <<
176 RELOCATE_ENTRY(_Level2InterruptVector_text <<
177 .Level2InterruptVector.text <<
178 #endif <<
179 #if XCHAL_EXCM_LEVEL >= 3 <<
180 RELOCATE_ENTRY(_Level3InterruptVector_text <<
181 .Level3InterruptVector.text <<
182 #endif <<
183 #if XCHAL_EXCM_LEVEL >= 4 <<
184 RELOCATE_ENTRY(_Level4InterruptVector_text <<
185 .Level4InterruptVector.text <<
186 #endif <<
187 #if XCHAL_EXCM_LEVEL >= 5 <<
188 RELOCATE_ENTRY(_Level5InterruptVector_text <<
189 .Level5InterruptVector.text <<
190 #endif 11 #endif
191 #if XCHAL_EXCM_LEVEL >= 6 !! 12 #else
192 RELOCATE_ENTRY(_Level6InterruptVector_text !! 13 #include "vmlinux-nommu.lds"
193 .Level6InterruptVector.text <<
194 #endif <<
195 RELOCATE_ENTRY(_KernelExceptionVector_text <<
196 .KernelExceptionVector.text <<
197 RELOCATE_ENTRY(_UserExceptionVector_text, <<
198 .UserExceptionVector.text); <<
199 RELOCATE_ENTRY(_DoubleExceptionVector_text <<
200 .DoubleExceptionVector.text <<
201 RELOCATE_ENTRY(_DebugInterruptVector_text, <<
202 .DebugInterruptVector.text) <<
203 RELOCATE_ENTRY(_exception_text, <<
204 .exception.text); <<
205 #ifdef CONFIG_XIP_KERNEL <<
206 RELOCATE_ENTRY(_xip_text, .xiptext); <<
207 #endif <<
208 #endif <<
209 #ifdef CONFIG_XIP_KERNEL <<
210 RELOCATE_ENTRY(_xip_data, .data); <<
211 RELOCATE_ENTRY(_xip_init_data, .init.data) <<
212 #endif <<
213 #if defined(CONFIG_SECONDARY_RESET_VECTOR) <<
214 RELOCATE_ENTRY(_SecondaryResetVector_text, <<
215 .SecondaryResetVector.text) <<
216 #endif <<
217 <<
218 __boot_reloc_table_end = ABSOLUTE(.) ; <<
219 <<
220 INIT_SETUP(XCHAL_ICACHE_LINESIZE) <<
221 INIT_CALLS <<
222 CON_INITCALL <<
223 INIT_RAM_FS <<
224 } <<
225 <<
226 PERCPU_SECTION(XCHAL_ICACHE_LINESIZE) <<
227 <<
228 /* We need this dummy segment here */ <<
229 <<
230 . = ALIGN(4); <<
231 .dummy : { LONG(0) } <<
232 <<
233 #undef LAST <<
234 #define LAST .dummy <<
235 <<
236 #if !MERGED_VECTORS <<
237 /* The vectors are relocated to the real pos <<
238 <<
239 #ifdef SUPPORT_WINDOWED <<
240 SECTION_VECTOR4 (_WindowVectors_text, <<
241 .WindowVectors.text, <<
242 WINDOW_VECTORS_VADDR, <<
243 LAST) <<
244 #undef LAST <<
245 #define LAST .WindowVectors.text <<
246 #endif <<
247 SECTION_VECTOR4 (_DebugInterruptVector_text, <<
248 .DebugInterruptVector.text, <<
249 DEBUG_VECTOR_VADDR, <<
250 LAST) <<
251 #undef LAST <<
252 #define LAST .DebugInterruptVector.text <<
253 #if XCHAL_EXCM_LEVEL >= 2 <<
254 SECTION_VECTOR4 (_Level2InterruptVector_text <<
255 .Level2InterruptVector.text, <<
256 INTLEVEL2_VECTOR_VADDR, <<
257 LAST) <<
258 # undef LAST <<
259 # define LAST .Level2InterruptVector.text <<
260 #endif <<
261 #if XCHAL_EXCM_LEVEL >= 3 <<
262 SECTION_VECTOR4 (_Level3InterruptVector_text <<
263 .Level3InterruptVector.text, <<
264 INTLEVEL3_VECTOR_VADDR, <<
265 LAST) <<
266 # undef LAST <<
267 # define LAST .Level3InterruptVector.text <<
268 #endif <<
269 #if XCHAL_EXCM_LEVEL >= 4 <<
270 SECTION_VECTOR4 (_Level4InterruptVector_text <<
271 .Level4InterruptVector.text, <<
272 INTLEVEL4_VECTOR_VADDR, <<
273 LAST) <<
274 # undef LAST <<
275 # define LAST .Level4InterruptVector.text <<
276 #endif <<
277 #if XCHAL_EXCM_LEVEL >= 5 <<
278 SECTION_VECTOR4 (_Level5InterruptVector_text <<
279 .Level5InterruptVector.text, <<
280 INTLEVEL5_VECTOR_VADDR, <<
281 LAST) <<
282 # undef LAST <<
283 # define LAST .Level5InterruptVector.text <<
284 #endif <<
285 #if XCHAL_EXCM_LEVEL >= 6 <<
286 SECTION_VECTOR4 (_Level6InterruptVector_text <<
287 .Level6InterruptVector.text, <<
288 INTLEVEL6_VECTOR_VADDR, <<
289 LAST) <<
290 # undef LAST <<
291 # define LAST .Level6InterruptVector.text <<
292 #endif <<
293 SECTION_VECTOR4 (_KernelExceptionVector_text <<
294 .KernelExceptionVector.text, <<
295 KERNEL_VECTOR_VADDR, <<
296 LAST) <<
297 #undef LAST <<
298 SECTION_VECTOR4 (_UserExceptionVector_text, <<
299 .UserExceptionVector.text, <<
300 USER_VECTOR_VADDR, <<
301 .KernelExceptionVector.text) <<
302 SECTION_VECTOR4 (_DoubleExceptionVector_text <<
303 .DoubleExceptionVector.text, <<
304 DOUBLEEXC_VECTOR_VADDR, <<
305 .UserExceptionVector.text) <<
306 #define LAST .DoubleExceptionVector.text <<
307 <<
308 #endif <<
309 #if defined(CONFIG_SECONDARY_RESET_VECTOR) <<
310 <<
311 SECTION_VECTOR4 (_SecondaryResetVector_text, <<
312 .SecondaryResetVector.text, <<
313 RESET_VECTOR1_VADDR, <<
314 LAST) <<
315 #undef LAST <<
316 #define LAST .SecondaryResetVector.text <<
317 <<
318 #endif <<
319 #if !MERGED_VECTORS <<
320 SECTION_VECTOR4 (_exception_text, <<
321 .exception.text, <<
322 , <<
323 LAST) <<
324 #undef LAST <<
325 #define LAST .exception.text <<
326 SECTION_VECTOR4 (_xip_text, <<
327 .xiptext, <<
328 , <<
329 LAST) <<
330 #undef LAST <<
331 #define LAST .xiptext <<
332 #endif <<
333 . = (LOADADDR(LAST) + SIZEOF(LAST) + 3) & ~ <<
334 <<
335 .dummy1 : AT(ADDR(.dummy1)) { LONG(0) } <<
336 . = ALIGN(PAGE_SIZE); <<
337 <<
338 #ifndef CONFIG_XIP_KERNEL <<
339 __init_end = .; <<
340 <<
341 BSS_SECTION(0, 8192, 0) <<
342 #endif <<
343 <<
344 _end = .; <<
345 <<
346 #ifdef CONFIG_XIP_KERNEL <<
347 . = CONFIG_XIP_DATA_ADDR; <<
348 <<
349 _xip_start = .; <<
350 <<
351 #undef LOAD_OFFSET <<
352 #define LOAD_OFFSET \ <<
353 (CONFIG_XIP_DATA_ADDR - (LOADADDR(.dummy1) + <<
354 <<
355 _xip_data_start = .; <<
356 _sdata = .; <<
357 RW_DATA(XCHAL_ICACHE_LINESIZE, PAGE_SIZE, TH <<
358 _edata = .; <<
359 _xip_data_end = .; <<
360 <<
361 /* Initialization data: */ <<
362 <<
363 STRUCT_ALIGN(); <<
364 <<
365 _xip_init_data_start = .; <<
366 __init_begin = .; <<
367 .init.data : <<
368 { <<
369 INIT_DATA <<
370 } <<
371 _xip_init_data_end = .; <<
372 __init_end = .; <<
373 BSS_SECTION(0, 8192, 0) <<
374 <<
375 _xip_end = .; <<
376 <<
377 #undef LOAD_OFFSET <<
378 #endif 14 #endif
379 <<
380 DWARF_DEBUG <<
381 <<
382 .xt.prop 0 : { KEEP(*(.xt.prop .xt.prop.* .g <<
383 .xt.insn 0 : { KEEP(*(.xt.insn .xt.insn.* .g <<
384 .xt.lit 0 : { KEEP(*(.xt.lit .xt.lit.* .g <<
385 <<
386 /* Sections to be discarded */ <<
387 DISCARDS <<
388 } <<
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