1 /* SPDX-License-Identifier: GPL-2.0 */ <<
2 #include <asm/asm-offsets.h> <<
3 #include <asm/thread_info.h> <<
4 <<
5 #define PAGE_SIZE _PAGE_SIZE <<
6 <<
7 /* <<
8 * Put .bss..swapper_pg_dir as the first thing <<
9 * ensure that it has .bss alignment (64K). <<
10 */ <<
11 #define BSS_FIRST_SECTIONS *(.bss..swapper_pg_ <<
12 <<
13 /* Cavium Octeon should not have a separate PT <<
14 #ifndef CONFIG_CAVIUM_OCTEON_SOC <<
15 #define EMITS_PT_NOTE <<
16 #endif <<
17 <<
18 #define RUNTIME_DISCARD_EXIT <<
19 <<
20 #include <asm-generic/vmlinux.lds.h> 1 #include <asm-generic/vmlinux.lds.h>
21 !! 2 #include <asm/thread_info.h>
22 #undef mips !! 3 #include <asm/cache.h>
23 #define mips mips !! 4 #include <asm/page.h>
24 OUTPUT_ARCH(mips) !! 5 #include <asm/setup.h>
25 ENTRY(kernel_entry) !! 6
26 PHDRS { !! 7 OUTPUT_FORMAT("elf64-alpha")
27 text PT_LOAD FLAGS(7); /* RWX */ !! 8 OUTPUT_ARCH(alpha)
28 #ifndef CONFIG_CAVIUM_OCTEON_SOC !! 9 ENTRY(__start)
29 note PT_NOTE FLAGS(4); /* R__ */ !! 10 PHDRS { kernel PT_LOAD; note PT_NOTE; }
30 #endif /* CAVIUM_OCTEON_SOC */ !! 11 jiffies = jiffies_64;
31 } <<
32 <<
33 #ifdef CONFIG_32BIT <<
34 #ifdef CONFIG_CPU_LITTLE_ENDIAN <<
35 jiffies = jiffies_64; <<
36 #else <<
37 jiffies = jiffies_64 + 4; <<
38 #endif <<
39 #else <<
40 jiffies = jiffies_64; <<
41 #endif <<
42 <<
43 SECTIONS 12 SECTIONS
44 { 13 {
45 #ifdef CONFIG_BOOT_ELF64 !! 14 #ifdef CONFIG_ALPHA_LEGACY_START_ADDRESS
46 /* Read-only sections, merged into tex !! 15 . = 0xfffffc0000310000;
47 /* . = 0xc000000000000000; */ !! 16 #else
48 !! 17 . = 0xfffffc0001010000;
49 /* This is the value for an Origin ker <<
50 /* . = 0xc00000000001c000; */ <<
51 <<
52 /* Set the vaddr for the text segment <<
53 * >= 0xa800 0000 0001 9000 if no sy <<
54 * >= 0xa800 0000 0030 0000 otherwis <<
55 */ <<
56 <<
57 /* . = 0xa800000000300000; */ <<
58 . = 0xffffffff80300000; <<
59 #endif 18 #endif
60 . = LINKER_LOAD_ADDRESS; !! 19
61 /* read-only */ <<
62 _text = .; /* Text and read-only 20 _text = .; /* Text and read-only data */
63 .text : { 21 .text : {
>> 22 HEAD_TEXT
64 TEXT_TEXT 23 TEXT_TEXT
65 SCHED_TEXT 24 SCHED_TEXT
66 LOCK_TEXT 25 LOCK_TEXT
67 KPROBES_TEXT <<
68 IRQENTRY_TEXT <<
69 SOFTIRQENTRY_TEXT <<
70 *(.fixup) 26 *(.fixup)
71 *(.gnu.warning) 27 *(.gnu.warning)
72 . = ALIGN(16); !! 28 } :kernel
73 *(.got) /* Global offset table !! 29 swapper_pg_dir = SWAPPER_PGD;
74 } :text = 0 <<
75 _etext = .; /* End of text section 30 _etext = .; /* End of text section */
76 31
77 EXCEPTION_TABLE(16) !! 32 NOTES :kernel :note
78 !! 33 .dummy : {
79 /* Exception table for data bus errors !! 34 *(.dummy)
80 __dbe_table : { !! 35 } :kernel
81 __start___dbe_table = .; <<
82 KEEP(*(__dbe_table)) <<
83 __stop___dbe_table = .; <<
84 } <<
85 <<
86 _sdata = .; /* Sta <<
87 RO_DATA(4096) <<
88 36
89 /* writeable */ !! 37 RODATA
90 .data : { /* Data */ !! 38 EXCEPTION_TABLE(16)
91 . = . + DATAOFFSET; <<
92 <<
93 INIT_TASK_DATA(THREAD_SIZE) <<
94 NOSAVE_DATA <<
95 PAGE_ALIGNED_DATA(PAGE_SIZE) <<
96 CACHELINE_ALIGNED_DATA(1 << CO <<
97 READ_MOSTLY_DATA(1 << CONFIG_M <<
98 DATA_DATA <<
99 CONSTRUCTORS <<
100 } <<
101 BUG_TABLE <<
102 _gp = . + 0x8000; <<
103 .lit8 : { <<
104 *(.lit8) <<
105 } <<
106 .lit4 : { <<
107 *(.lit4) <<
108 } <<
109 /* We want the small data sections tog <<
110 can access them all, and initialize <<
111 we can shorten the on-disk segment <<
112 .sdata : { <<
113 *(.sdata) <<
114 } <<
115 _edata = .; /* End <<
116 39
117 /* will be freed after init */ !! 40 /* Will be freed after init */
118 . = ALIGN(PAGE_SIZE); /* Ini !! 41 __init_begin = ALIGN(PAGE_SIZE);
119 __init_begin = .; <<
120 INIT_TEXT_SECTION(PAGE_SIZE) 42 INIT_TEXT_SECTION(PAGE_SIZE)
121 INIT_DATA_SECTION(16) 43 INIT_DATA_SECTION(16)
>> 44 PERCPU_SECTION(L1_CACHE_BYTES)
>> 45 /* Align to THREAD_SIZE rather than PAGE_SIZE here so any padding page
>> 46 needed for the THREAD_SIZE aligned init_task gets freed after init */
>> 47 . = ALIGN(THREAD_SIZE);
>> 48 __init_end = .;
>> 49 /* Freed after init ends here */
122 50
123 . = ALIGN(4); !! 51 _sdata = .; /* Start of rw data section */
124 .mips.machines.init : AT(ADDR(.mips.ma !! 52 _data = .;
125 __mips_machines_start = .; !! 53 RW_DATA_SECTION(L1_CACHE_BYTES, PAGE_SIZE, THREAD_SIZE)
126 KEEP(*(.mips.machines.init)) <<
127 __mips_machines_end = .; <<
128 } <<
129 <<
130 /* .exit.text is discarded at runtime, <<
131 * references from .rodata <<
132 */ <<
133 .exit.text : { <<
134 EXIT_TEXT <<
135 } <<
136 .exit.data : { <<
137 EXIT_DATA <<
138 } <<
139 #ifdef CONFIG_SMP <<
140 PERCPU_SECTION(1 << CONFIG_MIPS_L1_CAC <<
141 #endif <<
142 <<
143 .rel.dyn : ALIGN(8) { <<
144 *(.rel) <<
145 *(.rel*) <<
146 } <<
147 <<
148 #ifdef CONFIG_MIPS_ELF_APPENDED_DTB <<
149 STRUCT_ALIGN(); <<
150 .appended_dtb : AT(ADDR(.appended_dtb) <<
151 *(.appended_dtb) <<
152 KEEP(*(.appended_dtb)) <<
153 } <<
154 #endif <<
155 <<
156 #ifdef CONFIG_RELOCATABLE <<
157 . = ALIGN(4); <<
158 54
159 .data.reloc : { !! 55 .got : {
160 _relocation_start = .; !! 56 *(.got)
161 /* <<
162 * Space for relocation table <<
163 * This needs to be filled so <<
164 * relocs tool can overwrite t <<
165 * An invalid value is left at <<
166 * section to abort relocation <<
167 * has not been filled in. <<
168 */ <<
169 LONG(0xFFFFFFFF); <<
170 FILL(0); <<
171 . += CONFIG_RELOCATION_TABLE_S <<
172 _relocation_end = .; <<
173 } 57 }
174 #endif !! 58 .sdata : {
175 !! 59 *(.sdata)
176 #ifdef CONFIG_MIPS_RAW_APPENDED_DTB <<
177 .fill : { <<
178 FILL(0); <<
179 BYTE(0); <<
180 STRUCT_ALIGN(); <<
181 } 60 }
182 __appended_dtb = .; !! 61 _edata = .; /* End of data section */
183 /* leave space for appended DTB */ <<
184 . += 0x100000; <<
185 #endif <<
186 /* <<
187 * Align to 64K in attempt to eliminat <<
188 * .bss..swapper_pg_dir section at the <<
189 * also satisfies PAGE_SIZE alignment <<
190 * allowed is 64K. <<
191 */ <<
192 . = ALIGN(0x10000); <<
193 __init_end = .; <<
194 /* freed after init ends here */ <<
195 62
196 /* !! 63 BSS_SECTION(0, 0, 0)
197 * Force .bss to 64K alignment so that !! 64 _end = .;
198 * gets that alignment. .sbss should <<
199 * no holes after __init_end. */ <<
200 BSS_SECTION(0, 0x10000, 8) <<
201 <<
202 _end = . ; <<
203 <<
204 /* These mark the ABI of the kernel fo <<
205 .mdebug.abi32 : { <<
206 KEEP(*(.mdebug.abi32)) <<
207 } <<
208 .mdebug.abi64 : { <<
209 KEEP(*(.mdebug.abi64)) <<
210 } <<
211 65
212 /* This is the MIPS specific mdebug se !! 66 .mdebug 0 : {
213 .mdebug : { <<
214 *(.mdebug) 67 *(.mdebug)
215 } 68 }
>> 69 .note 0 : {
>> 70 *(.note)
>> 71 }
216 72
217 STABS_DEBUG 73 STABS_DEBUG
218 DWARF_DEBUG 74 DWARF_DEBUG
219 ELF_DETAILS <<
220 <<
221 /* These must appear regardless of . <<
222 .gptab.sdata : { <<
223 *(.gptab.data) <<
224 *(.gptab.sdata) <<
225 } <<
226 .gptab.sbss : { <<
227 *(.gptab.bss) <<
228 *(.gptab.sbss) <<
229 } <<
230 75
231 /* Sections to be discarded */ <<
232 DISCARDS 76 DISCARDS
233 /DISCARD/ : { <<
234 /* ABI crap starts here */ <<
235 *(.MIPS.abiflags) <<
236 *(.MIPS.options) <<
237 *(.gnu.attributes) <<
238 *(.options) <<
239 *(.pdr) <<
240 *(.reginfo) <<
241 } <<
242 } 77 }
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