1 /* SPDX-License-Identifier: GPL-2.0 */ 1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifdef CONFIG_PPC64 !! 2 /* ld script for sparc32/sparc64 kernel */
3 #define PROVIDE32(x) PROVIDE(__unused__##x) <<
4 #else <<
5 #define PROVIDE32(x) PROVIDE(x) <<
6 #endif <<
7 3
8 #define BSS_FIRST_SECTIONS *(.bss.prominit) !! 4 #include <asm-generic/vmlinux.lds.h>
9 #define EMITS_PT_NOTE <<
10 #define RO_EXCEPTION_TABLE_ALIGN 0 <<
11 #define RUNTIME_DISCARD_EXIT <<
12 <<
13 #define SOFT_MASK_TABLE(align) <<
14 . = ALIGN(align); <<
15 __soft_mask_table : AT(ADDR(__soft_mas <<
16 __start___soft_mask_table = .; <<
17 KEEP(*(__soft_mask_table)) <<
18 __stop___soft_mask_table = .; <<
19 } <<
20 <<
21 #define RESTART_TABLE(align) <<
22 . = ALIGN(align); <<
23 __restart_table : AT(ADDR(__restart_ta <<
24 __start___restart_table = .; <<
25 KEEP(*(__restart_table)) <<
26 __stop___restart_table = .; <<
27 } <<
28 5
29 #include <asm/page.h> 6 #include <asm/page.h>
30 #include <asm-generic/vmlinux.lds.h> <<
31 #include <asm/cache.h> <<
32 #include <asm/thread_info.h> 7 #include <asm/thread_info.h>
33 8
34 #define STRICT_ALIGN_SIZE (1 << CONFIG_D !! 9 #ifdef CONFIG_SPARC32
>> 10 #define INITIAL_ADDRESS 0x10000 + SIZEOF_HEADERS
>> 11 #define TEXTSTART 0xf0004000
35 12
36 #if STRICT_ALIGN_SIZE < PAGE_SIZE !! 13 #define SMP_CACHE_BYTES_SHIFT 5
37 #error "CONFIG_DATA_SHIFT must be >= PAGE_SHIF <<
38 #endif <<
39 14
40 ENTRY(_stext) <<
41 <<
42 PHDRS { <<
43 text PT_LOAD FLAGS(7); /* RWX */ <<
44 note PT_NOTE FLAGS(0); <<
45 } <<
46 <<
47 #ifdef CONFIG_PPC64 <<
48 OUTPUT_ARCH(powerpc:common64) <<
49 jiffies = jiffies_64; <<
50 #else 15 #else
51 OUTPUT_ARCH(powerpc:common) !! 16 #define SMP_CACHE_BYTES_SHIFT 6
52 jiffies = jiffies_64 + 4; !! 17 #define INITIAL_ADDRESS 0x4000
>> 18 #define TEXTSTART 0x0000000000404000
>> 19
53 #endif 20 #endif
54 SECTIONS <<
55 { <<
56 . = KERNELBASE; <<
57 21
58 /* !! 22 #define SMP_CACHE_BYTES (1 << SMP_CACHE_BYTES_SHIFT)
59 * Text, read only data and other permanent re !! 23
60 */ !! 24 #ifdef CONFIG_SPARC32
61 !! 25 OUTPUT_FORMAT("elf32-sparc", "elf32-sparc", "elf32-sparc")
62 _text = .; !! 26 OUTPUT_ARCH(sparc)
63 _stext = .; !! 27 ENTRY(_start)
64 !! 28 jiffies = jiffies_64 + 4;
65 /* <<
66 * Head text. <<
67 * This needs to be in its own output <<
68 * branch trampoline stubs randomly th <<
69 * which it will do (even if the branc <<
70 * in order to optimize stub generatio <<
71 */ <<
72 .head.text : AT(ADDR(.head.text) - LOA <<
73 #ifdef CONFIG_PPC64 <<
74 KEEP(*(.head.text.first_256B)) <<
75 #ifdef CONFIG_PPC_BOOK3E_64 <<
76 #else 29 #else
77 KEEP(*(.head.text.real_vectors !! 30 /* sparc64 */
78 *(.head.text.real_trampolines) !! 31 OUTPUT_FORMAT("elf64-sparc", "elf64-sparc", "elf64-sparc")
79 KEEP(*(.head.text.virt_vectors !! 32 OUTPUT_ARCH(sparc:v9a)
80 *(.head.text.virt_trampolines) !! 33 ENTRY(_start)
81 # if defined(CONFIG_PPC_PSERIES) || defined(CO !! 34 jiffies = jiffies_64;
82 KEEP(*(.head.data.fwnmi_page)) <<
83 # endif <<
84 #endif <<
85 #else /* !CONFIG_PPC64 */ <<
86 HEAD_TEXT <<
87 #endif 35 #endif
88 } :text <<
89 <<
90 __head_end = .; <<
91 36
92 #ifdef CONFIG_PPC64 !! 37 #ifdef CONFIG_SPARC64
93 /* !! 38 ASSERT((swapper_tsb == 0x0000000000408000), "Error: sparc64 early assembler too large")
94 * ALIGN(0) overrides the default outp <<
95 * this needs to start right after .he <<
96 * section placement to work. <<
97 */ <<
98 .text ALIGN(0) : AT(ADDR(.text) - LOAD <<
99 #ifdef CONFIG_LD_HEAD_STUB_CATCH <<
100 KEEP(*(.linker_stub_catch)); <<
101 . = . ; <<
102 #endif 39 #endif
103 40
104 #else !! 41 SECTIONS
105 .text : AT(ADDR(.text) - LOAD_OFFSET) !! 42 {
106 ALIGN_FUNCTION(); !! 43 #ifdef CONFIG_SPARC64
>> 44 swapper_pg_dir = 0x0000000000402000;
107 #endif 45 #endif
108 /* careful! __ftr_alt_* sectio !! 46 . = INITIAL_ADDRESS;
109 *(.text.hot .text.hot.* TEXT_M !! 47 .text TEXTSTART :
110 *(.tramp.ftrace.text); !! 48 {
111 NOINSTR_TEXT !! 49 _text = .;
>> 50 HEAD_TEXT
>> 51 TEXT_TEXT
112 SCHED_TEXT 52 SCHED_TEXT
>> 53 CPUIDLE_TEXT
113 LOCK_TEXT 54 LOCK_TEXT
114 KPROBES_TEXT 55 KPROBES_TEXT
115 IRQENTRY_TEXT 56 IRQENTRY_TEXT
116 SOFTIRQENTRY_TEXT 57 SOFTIRQENTRY_TEXT
117 /* !! 58 *(.gnu.warning)
118 * -Os builds call FP save/res !! 59 } = 0
119 * linker generates those on d <<
120 * .sfpr gets placed at the be <<
121 * sections, which can break s <<
122 * included with the main text <<
123 */ <<
124 *(.sfpr); <<
125 *(.text.asan.* .text.tsan.*) <<
126 } :text <<
127 <<
128 . = ALIGN(PAGE_SIZE); <<
129 _etext = .; 60 _etext = .;
130 PROVIDE32 (etext = .); <<
131 61
132 /* Read-only data */ <<
133 RO_DATA(PAGE_SIZE) 62 RO_DATA(PAGE_SIZE)
134 63
135 #ifdef CONFIG_PPC32 !! 64 /* Start of data section */
136 .sdata2 : AT(ADDR(.sdata2) - LOAD_OFFS !! 65 _sdata = .;
137 *(.sdata2) <<
138 } <<
139 #endif <<
140 <<
141 .data.rel.ro : AT(ADDR(.data.rel.ro) - <<
142 *(.data.rel.ro .data.rel.ro.*) <<
143 } <<
144 <<
145 .branch_lt : AT(ADDR(.branch_lt) - LOA <<
146 *(.branch_lt) <<
147 } <<
148 <<
149 #ifdef CONFIG_PPC32 <<
150 .got1 : AT(ADDR(.got1) - LOAD_OFFSET) <<
151 *(.got1) <<
152 } <<
153 .got2 : AT(ADDR(.got2) - LOAD_OFFSET) <<
154 __got2_start = .; <<
155 *(.got2) <<
156 __got2_end = .; <<
157 } <<
158 .got : AT(ADDR(.got) - LOAD_OFFSET) { <<
159 *(.got) <<
160 *(.got.plt) <<
161 } <<
162 .plt : AT(ADDR(.plt) - LOAD_OFFSET) { <<
163 /* XXX: is .plt (and .got.plt) <<
164 *(.plt) <<
165 } <<
166 <<
167 #else /* CONFIG_PPC32 */ <<
168 #ifndef CONFIG_PPC_KERNEL_PCREL <<
169 .toc1 : AT(ADDR(.toc1) - LOAD_OFFSET) <<
170 *(.toc1) <<
171 } <<
172 #endif <<
173 <<
174 .got : AT(ADDR(.got) - LOAD_OFFSET) AL <<
175 #ifdef CONFIG_PPC_KERNEL_PCREL <<
176 *(.got) <<
177 #else <<
178 *(.got .toc) <<
179 #endif <<
180 } <<
181 <<
182 SOFT_MASK_TABLE(8) <<
183 RESTART_TABLE(8) <<
184 66
185 #ifdef CONFIG_PPC64_ELF_ABI_V1 !! 67 .data1 : {
186 .opd : AT(ADDR(.opd) - LOAD_OFFSET) { !! 68 *(.data1)
187 __start_opd = .; <<
188 KEEP(*(.opd)) <<
189 __end_opd = .; <<
190 } 69 }
191 #endif !! 70 RW_DATA(SMP_CACHE_BYTES, 0, THREAD_SIZE)
192 71
193 . = ALIGN(8); !! 72 /* End of data section */
194 __stf_entry_barrier_fixup : AT(ADDR(__ !! 73 _edata = .;
195 __start___stf_entry_barrier_fi <<
196 *(__stf_entry_barrier_fixup) <<
197 __stop___stf_entry_barrier_fix <<
198 } <<
199 <<
200 . = ALIGN(8); <<
201 __uaccess_flush_fixup : AT(ADDR(__uacc <<
202 __start___uaccess_flush_fixup <<
203 *(__uaccess_flush_fixup) <<
204 __stop___uaccess_flush_fixup = <<
205 } <<
206 <<
207 . = ALIGN(8); <<
208 __entry_flush_fixup : AT(ADDR(__entry_ <<
209 __start___entry_flush_fixup = <<
210 *(__entry_flush_fixup) <<
211 __stop___entry_flush_fixup = . <<
212 } <<
213 <<
214 . = ALIGN(8); <<
215 __scv_entry_flush_fixup : AT(ADDR(__sc <<
216 __start___scv_entry_flush_fixu <<
217 *(__scv_entry_flush_fixup) <<
218 __stop___scv_entry_flush_fixup <<
219 } <<
220 <<
221 . = ALIGN(8); <<
222 __stf_exit_barrier_fixup : AT(ADDR(__s <<
223 __start___stf_exit_barrier_fix <<
224 *(__stf_exit_barrier_fixup) <<
225 __stop___stf_exit_barrier_fixu <<
226 } <<
227 <<
228 . = ALIGN(8); <<
229 __rfi_flush_fixup : AT(ADDR(__rfi_flus <<
230 __start___rfi_flush_fixup = .; <<
231 *(__rfi_flush_fixup) <<
232 __stop___rfi_flush_fixup = .; <<
233 } <<
234 #endif /* CONFIG_PPC32 */ <<
235 <<
236 #ifdef CONFIG_PPC_BARRIER_NOSPEC <<
237 . = ALIGN(8); <<
238 __spec_barrier_fixup : AT(ADDR(__spec_ <<
239 __start___barrier_nospec_fixup <<
240 *(__barrier_nospec_fixup) <<
241 __stop___barrier_nospec_fixup <<
242 } <<
243 #endif /* CONFIG_PPC_BARRIER_NOSPEC */ <<
244 <<
245 #ifdef CONFIG_PPC_E500 <<
246 . = ALIGN(8); <<
247 __spec_btb_flush_fixup : AT(ADDR(__spe <<
248 __start__btb_flush_fixup = .; <<
249 *(__btb_flush_fixup) <<
250 __stop__btb_flush_fixup = .; <<
251 } <<
252 #endif <<
253 74
254 /* !! 75 .fixup : {
255 * Various code relies on __init_begin !! 76 __start___fixup = .;
256 */ !! 77 *(.fixup)
257 . = ALIGN(STRICT_ALIGN_SIZE); !! 78 __stop___fixup = .;
258 __srwx_boundary = .; <<
259 __end_rodata = .; <<
260 __init_begin = .; <<
261 <<
262 /* <<
263 * Init sections discarded at runtime <<
264 */ <<
265 .init.text : AT(ADDR(.init.text) - LOA <<
266 _sinittext = .; <<
267 INIT_TEXT <<
268 <<
269 /* <<
270 *.init.text might be RO so we <<
271 * a page boundary. <<
272 */ <<
273 . = ALIGN(PAGE_SIZE); <<
274 _einittext = .; <<
275 *(.tramp.ftrace.init); <<
276 } :text <<
277 <<
278 /* .exit.text is discarded at runtime, <<
279 * to deal with references from __bug_ <<
280 */ <<
281 .exit.text : AT(ADDR(.exit.text) - LOA <<
282 __exittext_begin = .; <<
283 EXIT_TEXT <<
284 __exittext_end = .; <<
285 } 79 }
>> 80 EXCEPTION_TABLE(16)
286 81
287 . = ALIGN(PAGE_SIZE); 82 . = ALIGN(PAGE_SIZE);
288 !! 83 __init_begin = ALIGN(PAGE_SIZE);
>> 84 INIT_TEXT_SECTION(PAGE_SIZE)
>> 85 __init_text_end = .;
289 INIT_DATA_SECTION(16) 86 INIT_DATA_SECTION(16)
290 87
291 . = ALIGN(8); !! 88 . = ALIGN(4);
292 __ftr_fixup : AT(ADDR(__ftr_fixup) - L !! 89 .tsb_ldquad_phys_patch : {
293 __start___ftr_fixup = .; !! 90 __tsb_ldquad_phys_patch = .;
294 KEEP(*(__ftr_fixup)) !! 91 *(.tsb_ldquad_phys_patch)
295 __stop___ftr_fixup = .; !! 92 __tsb_ldquad_phys_patch_end = .;
296 } !! 93 }
297 . = ALIGN(8); !! 94
298 __mmu_ftr_fixup : AT(ADDR(__mmu_ftr_fi !! 95 .tsb_phys_patch : {
299 __start___mmu_ftr_fixup = .; !! 96 __tsb_phys_patch = .;
300 KEEP(*(__mmu_ftr_fixup)) !! 97 *(.tsb_phys_patch)
301 __stop___mmu_ftr_fixup = .; !! 98 __tsb_phys_patch_end = .;
302 } !! 99 }
303 . = ALIGN(8); !! 100
304 __lwsync_fixup : AT(ADDR(__lwsync_fixu !! 101 .cpuid_patch : {
305 __start___lwsync_fixup = .; !! 102 __cpuid_patch = .;
306 KEEP(*(__lwsync_fixup)) !! 103 *(.cpuid_patch)
307 __stop___lwsync_fixup = .; !! 104 __cpuid_patch_end = .;
308 } !! 105 }
309 #ifdef CONFIG_PPC64 !! 106
310 . = ALIGN(8); !! 107 .sun4v_1insn_patch : {
311 __fw_ftr_fixup : AT(ADDR(__fw_ftr_fixu !! 108 __sun4v_1insn_patch = .;
312 __start___fw_ftr_fixup = .; !! 109 *(.sun4v_1insn_patch)
313 KEEP(*(__fw_ftr_fixup)) !! 110 __sun4v_1insn_patch_end = .;
314 __stop___fw_ftr_fixup = .; !! 111 }
315 } !! 112 .sun4v_2insn_patch : {
316 #endif !! 113 __sun4v_2insn_patch = .;
317 !! 114 *(.sun4v_2insn_patch)
318 PERCPU_SECTION(L1_CACHE_BYTES) !! 115 __sun4v_2insn_patch_end = .;
319 !! 116 }
320 . = ALIGN(8); !! 117 .leon_1insn_patch : {
321 .machine.desc : AT(ADDR(.machine.desc) !! 118 __leon_1insn_patch = .;
322 __machine_desc_start = . ; !! 119 *(.leon_1insn_patch)
323 KEEP(*(.machine.desc)) !! 120 __leon_1insn_patch_end = .;
324 __machine_desc_end = . ; !! 121 }
325 } !! 122 .swapper_tsb_phys_patch : {
326 #ifdef CONFIG_RELOCATABLE !! 123 __swapper_tsb_phys_patch = .;
327 . = ALIGN(8); !! 124 *(.swapper_tsb_phys_patch)
328 .dynsym : AT(ADDR(.dynsym) - LOAD_OFFS !! 125 __swapper_tsb_phys_patch_end = .;
329 { !! 126 }
330 __dynamic_symtab = .; !! 127 .swapper_4m_tsb_phys_patch : {
331 *(.dynsym) !! 128 __swapper_4m_tsb_phys_patch = .;
332 } !! 129 *(.swapper_4m_tsb_phys_patch)
333 .dynstr : AT(ADDR(.dynstr) - LOAD_OFFS !! 130 __swapper_4m_tsb_phys_patch_end = .;
334 .dynamic : AT(ADDR(.dynamic) - LOAD_OF !! 131 }
335 { !! 132 .popc_3insn_patch : {
336 __dynamic_start = .; !! 133 __popc_3insn_patch = .;
337 *(.dynamic) !! 134 *(.popc_3insn_patch)
>> 135 __popc_3insn_patch_end = .;
>> 136 }
>> 137 .popc_6insn_patch : {
>> 138 __popc_6insn_patch = .;
>> 139 *(.popc_6insn_patch)
>> 140 __popc_6insn_patch_end = .;
>> 141 }
>> 142 .pause_3insn_patch : {
>> 143 __pause_3insn_patch = .;
>> 144 *(.pause_3insn_patch)
>> 145 __pause_3insn_patch_end = .;
>> 146 }
>> 147 .sun_m7_1insn_patch : {
>> 148 __sun_m7_1insn_patch = .;
>> 149 *(.sun_m7_1insn_patch)
>> 150 __sun_m7_1insn_patch_end = .;
>> 151 }
>> 152 .sun_m7_2insn_patch : {
>> 153 __sun_m7_2insn_patch = .;
>> 154 *(.sun_m7_2insn_patch)
>> 155 __sun_m7_2insn_patch_end = .;
>> 156 }
>> 157 .get_tick_patch : {
>> 158 __get_tick_patch = .;
>> 159 *(.get_tick_patch)
>> 160 __get_tick_patch_end = .;
>> 161 }
>> 162 .pud_huge_patch : {
>> 163 __pud_huge_patch = .;
>> 164 *(.pud_huge_patch)
>> 165 __pud_huge_patch_end = .;
>> 166 }
>> 167 .fast_win_ctrl_1insn_patch : {
>> 168 __fast_win_ctrl_1insn_patch = .;
>> 169 *(.fast_win_ctrl_1insn_patch)
>> 170 __fast_win_ctrl_1insn_patch_end = .;
338 } 171 }
339 .hash : AT(ADDR(.hash) - LOAD_OFFSET) !! 172 PERCPU_SECTION(SMP_CACHE_BYTES)
340 .gnu.hash : AT(ADDR(.gnu.hash) - LOAD_ <<
341 .interp : AT(ADDR(.interp) - LOAD_OFFS <<
342 .rela.dyn : AT(ADDR(.rela.dyn) - LOAD_ <<
343 { <<
344 __rela_dyn_start = .; <<
345 *(.rela*) <<
346 } <<
347 #endif <<
348 /* .exit.data is discarded at runtime, <<
349 * to deal with references from .exit. <<
350 */ <<
351 .exit.data : AT(ADDR(.exit.data) - LOA <<
352 EXIT_DATA <<
353 } <<
354 <<
355 /* freed after init ends here */ <<
356 . = ALIGN(PAGE_SIZE); <<
357 __init_end = .; <<
358 <<
359 /* <<
360 * And now the various read/write data <<
361 */ <<
362 173
363 . = ALIGN(PAGE_SIZE); 174 . = ALIGN(PAGE_SIZE);
364 _sdata = .; !! 175 .exit.text : {
365 !! 176 EXIT_TEXT
366 .data : AT(ADDR(.data) - LOAD_OFFSET) <<
367 DATA_DATA <<
368 *(.data.rel*) <<
369 #ifdef CONFIG_PPC32 <<
370 *(SDATA_MAIN) <<
371 #endif <<
372 } <<
373 <<
374 /* The initial task and kernel stack * <<
375 INIT_TASK_DATA_SECTION(THREAD_ALIGN) <<
376 <<
377 .data..page_aligned : AT(ADDR(.data..p <<
378 PAGE_ALIGNED_DATA(PAGE_SIZE) <<
379 } <<
380 <<
381 .data..cacheline_aligned : AT(ADDR(.da <<
382 CACHELINE_ALIGNED_DATA(L1_CACH <<
383 } <<
384 <<
385 .data..read_mostly : AT(ADDR(.data..re <<
386 READ_MOSTLY_DATA(L1_CACHE_BYTE <<
387 } 177 }
388 178
389 . = ALIGN(PAGE_SIZE); !! 179 .exit.data : {
390 .data_nosave : AT(ADDR(.data_nosave) - !! 180 EXIT_DATA
391 NOSAVE_DATA <<
392 } 181 }
393 182
394 BUG_TABLE <<
395 <<
396 . = ALIGN(PAGE_SIZE); 183 . = ALIGN(PAGE_SIZE);
397 _edata = .; !! 184 __init_end = .;
398 PROVIDE32 (edata = .); <<
399 <<
400 /* <<
401 * And finally the bss <<
402 */ <<
403 <<
404 BSS_SECTION(0, 0, 0) 185 BSS_SECTION(0, 0, 0)
405 <<
406 . = ALIGN(PAGE_SIZE); <<
407 _end = . ; 186 _end = . ;
408 PROVIDE32 (end = .); <<
409 187
>> 188 STABS_DEBUG
410 DWARF_DEBUG 189 DWARF_DEBUG
411 ELF_DETAILS 190 ELF_DETAILS
412 191
413 DISCARDS 192 DISCARDS
414 /DISCARD/ : { <<
415 *(*.EMB.apuinfo) <<
416 *(.glink .iplt .plt) <<
417 *(.gnu.version*) <<
418 *(.gnu.attributes) <<
419 *(.eh_frame) <<
420 #ifndef CONFIG_RELOCATABLE <<
421 *(.rela*) <<
422 #endif <<
423 } <<
424 } 193 }
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