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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 in .bss. This will
9 * ensure that it has .bss alignment (64K).
10 */
11#define BSS_FIRST_SECTIONS *(.bss..swapper_pg_dir)
12
13#include <asm-generic/vmlinux.lds.h>
14
15#undef mips
16#define mips mips
17OUTPUT_ARCH(mips)
18ENTRY(kernel_entry)
19PHDRS {
20 text PT_LOAD FLAGS(7); /* RWX */
21#ifndef CONFIG_CAVIUM_OCTEON_SOC
22 note PT_NOTE FLAGS(4); /* R__ */
23#endif /* CAVIUM_OCTEON_SOC */
24}
25
26#ifdef CONFIG_32BIT
27 #ifdef CONFIG_CPU_LITTLE_ENDIAN
28 jiffies = jiffies_64;
29 #else
30 jiffies = jiffies_64 + 4;
31 #endif
32#else
33 jiffies = jiffies_64;
34#endif
35
36SECTIONS
37{
38#ifdef CONFIG_BOOT_ELF64
39 /* Read-only sections, merged into text segment: */
40 /* . = 0xc000000000000000; */
41
42 /* This is the value for an Origin kernel, taken from an IRIX kernel. */
43 /* . = 0xc00000000001c000; */
44
45 /* Set the vaddr for the text segment to a value
46 * >= 0xa800 0000 0001 9000 if no symmon is going to configured
47 * >= 0xa800 0000 0030 0000 otherwise
48 */
49
50 /* . = 0xa800000000300000; */
51 . = 0xffffffff80300000;
52#endif
53 . = VMLINUX_LOAD_ADDRESS;
54 /* read-only */
55 _text = .; /* Text and read-only data */
56 .text : {
57 TEXT_TEXT
58 SCHED_TEXT
59 CPUIDLE_TEXT
60 LOCK_TEXT
61 KPROBES_TEXT
62 IRQENTRY_TEXT
63 SOFTIRQENTRY_TEXT
64 *(.text.*)
65 *(.fixup)
66 *(.gnu.warning)
67 } :text = 0
68 _etext = .; /* End of text section */
69
70 EXCEPTION_TABLE(16)
71
72 /* Exception table for data bus errors */
73 __dbe_table : {
74 __start___dbe_table = .;
75 KEEP(*(__dbe_table))
76 __stop___dbe_table = .;
77 }
78
79#ifdef CONFIG_CAVIUM_OCTEON_SOC
80#define NOTES_HEADER
81#else /* CONFIG_CAVIUM_OCTEON_SOC */
82#define NOTES_HEADER :note
83#endif /* CONFIG_CAVIUM_OCTEON_SOC */
84 NOTES :text NOTES_HEADER
85 .dummy : { *(.dummy) } :text
86
87 _sdata = .; /* Start of data section */
88 RODATA
89
90 /* writeable */
91 .data : { /* Data */
92 . = . + DATAOFFSET; /* for CONFIG_MAPPED_KERNEL */
93
94 INIT_TASK_DATA(THREAD_SIZE)
95 NOSAVE_DATA
96 CACHELINE_ALIGNED_DATA(1 << CONFIG_MIPS_L1_CACHE_SHIFT)
97 READ_MOSTLY_DATA(1 << CONFIG_MIPS_L1_CACHE_SHIFT)
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 together, so single-instruction offsets
110 can access them all, and initialized data all before uninitialized, so
111 we can shorten the on-disk segment size. */
112 .sdata : {
113 *(.sdata)
114 }
115 _edata = .; /* End of data section */
116
117 /* will be freed after init */
118 . = ALIGN(PAGE_SIZE); /* Init code and data */
119 __init_begin = .;
120 INIT_TEXT_SECTION(PAGE_SIZE)
121 INIT_DATA_SECTION(16)
122
123 . = ALIGN(4);
124 .mips.machines.init : AT(ADDR(.mips.machines.init) - LOAD_OFFSET) {
125 __mips_machines_start = .;
126 KEEP(*(.mips.machines.init))
127 __mips_machines_end = .;
128 }
129
130 /* .exit.text is discarded at runtime, not link time, to deal with
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_CACHE_SHIFT)
141#endif
142
143#ifdef CONFIG_MIPS_ELF_APPENDED_DTB
144 .appended_dtb : AT(ADDR(.appended_dtb) - LOAD_OFFSET) {
145 *(.appended_dtb)
146 KEEP(*(.appended_dtb))
147 }
148#endif
149
150#ifdef CONFIG_RELOCATABLE
151 . = ALIGN(4);
152
153 .data.reloc : {
154 _relocation_start = .;
155 /*
156 * Space for relocation table
157 * This needs to be filled so that the
158 * relocs tool can overwrite the content.
159 * An invalid value is left at the start of the
160 * section to abort relocation if the table
161 * has not been filled in.
162 */
163 LONG(0xFFFFFFFF);
164 FILL(0);
165 . += CONFIG_RELOCATION_TABLE_SIZE - 4;
166 _relocation_end = .;
167 }
168#endif
169
170#ifdef CONFIG_MIPS_RAW_APPENDED_DTB
171 __appended_dtb = .;
172 /* leave space for appended DTB */
173 . += 0x100000;
174#endif
175 /*
176 * Align to 64K in attempt to eliminate holes before the
177 * .bss..swapper_pg_dir section at the start of .bss. This
178 * also satisfies PAGE_SIZE alignment as the largest page size
179 * allowed is 64K.
180 */
181 . = ALIGN(0x10000);
182 __init_end = .;
183 /* freed after init ends here */
184
185 /*
186 * Force .bss to 64K alignment so that .bss..swapper_pg_dir
187 * gets that alignment. .sbss should be empty, so there will be
188 * no holes after __init_end. */
189 BSS_SECTION(0, 0x10000, 8)
190
191 _end = . ;
192
193 /* These mark the ABI of the kernel for debuggers. */
194 .mdebug.abi32 : {
195 KEEP(*(.mdebug.abi32))
196 }
197 .mdebug.abi64 : {
198 KEEP(*(.mdebug.abi64))
199 }
200
201 /* This is the MIPS specific mdebug section. */
202 .mdebug : {
203 *(.mdebug)
204 }
205
206 STABS_DEBUG
207 DWARF_DEBUG
208
209 /* These must appear regardless of . */
210 .gptab.sdata : {
211 *(.gptab.data)
212 *(.gptab.sdata)
213 }
214 .gptab.sbss : {
215 *(.gptab.bss)
216 *(.gptab.sbss)
217 }
218
219 /* Sections to be discarded */
220 DISCARDS
221 /DISCARD/ : {
222 /* ABI crap starts here */
223 *(.MIPS.abiflags)
224 *(.MIPS.options)
225 *(.options)
226 *(.pdr)
227 *(.reginfo)
228 *(.eh_frame)
229 }
230}
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 in .bss. This will
9 * ensure that it has .bss alignment (64K).
10 */
11#define BSS_FIRST_SECTIONS *(.bss..swapper_pg_dir)
12
13/* Cavium Octeon should not have a separate PT_NOTE Program Header. */
14#ifndef CONFIG_CAVIUM_OCTEON_SOC
15#define EMITS_PT_NOTE
16#endif
17
18#include <asm-generic/vmlinux.lds.h>
19
20#undef mips
21#define mips mips
22OUTPUT_ARCH(mips)
23ENTRY(kernel_entry)
24PHDRS {
25 text PT_LOAD FLAGS(7); /* RWX */
26#ifndef CONFIG_CAVIUM_OCTEON_SOC
27 note PT_NOTE FLAGS(4); /* R__ */
28#endif /* CAVIUM_OCTEON_SOC */
29}
30
31#ifdef CONFIG_32BIT
32 #ifdef CONFIG_CPU_LITTLE_ENDIAN
33 jiffies = jiffies_64;
34 #else
35 jiffies = jiffies_64 + 4;
36 #endif
37#else
38 jiffies = jiffies_64;
39#endif
40
41SECTIONS
42{
43#ifdef CONFIG_BOOT_ELF64
44 /* Read-only sections, merged into text segment: */
45 /* . = 0xc000000000000000; */
46
47 /* This is the value for an Origin kernel, taken from an IRIX kernel. */
48 /* . = 0xc00000000001c000; */
49
50 /* Set the vaddr for the text segment to a value
51 * >= 0xa800 0000 0001 9000 if no symmon is going to configured
52 * >= 0xa800 0000 0030 0000 otherwise
53 */
54
55 /* . = 0xa800000000300000; */
56 . = 0xffffffff80300000;
57#endif
58 . = LINKER_LOAD_ADDRESS;
59 /* read-only */
60 _text = .; /* Text and read-only data */
61 .text : {
62 TEXT_TEXT
63 SCHED_TEXT
64 CPUIDLE_TEXT
65 LOCK_TEXT
66 KPROBES_TEXT
67 IRQENTRY_TEXT
68 SOFTIRQENTRY_TEXT
69 *(.text.*)
70 *(.fixup)
71 *(.gnu.warning)
72 } :text = 0
73 _etext = .; /* End of text section */
74
75 EXCEPTION_TABLE(16)
76
77 /* Exception table for data bus errors */
78 __dbe_table : {
79 __start___dbe_table = .;
80 KEEP(*(__dbe_table))
81 __stop___dbe_table = .;
82 }
83
84 _sdata = .; /* Start of data section */
85 RO_DATA(4096)
86
87 /* writeable */
88 .data : { /* Data */
89 . = . + DATAOFFSET; /* for CONFIG_MAPPED_KERNEL */
90
91 INIT_TASK_DATA(THREAD_SIZE)
92 NOSAVE_DATA
93 CACHELINE_ALIGNED_DATA(1 << CONFIG_MIPS_L1_CACHE_SHIFT)
94 READ_MOSTLY_DATA(1 << CONFIG_MIPS_L1_CACHE_SHIFT)
95 DATA_DATA
96 CONSTRUCTORS
97 }
98 BUG_TABLE
99 _gp = . + 0x8000;
100 .lit8 : {
101 *(.lit8)
102 }
103 .lit4 : {
104 *(.lit4)
105 }
106 /* We want the small data sections together, so single-instruction offsets
107 can access them all, and initialized data all before uninitialized, so
108 we can shorten the on-disk segment size. */
109 .sdata : {
110 *(.sdata)
111 }
112 _edata = .; /* End of data section */
113
114 /* will be freed after init */
115 . = ALIGN(PAGE_SIZE); /* Init code and data */
116 __init_begin = .;
117 INIT_TEXT_SECTION(PAGE_SIZE)
118 INIT_DATA_SECTION(16)
119
120 . = ALIGN(4);
121 .mips.machines.init : AT(ADDR(.mips.machines.init) - LOAD_OFFSET) {
122 __mips_machines_start = .;
123 KEEP(*(.mips.machines.init))
124 __mips_machines_end = .;
125 }
126
127 /* .exit.text is discarded at runtime, not link time, to deal with
128 * references from .rodata
129 */
130 .exit.text : {
131 EXIT_TEXT
132 }
133 .exit.data : {
134 EXIT_DATA
135 }
136#ifdef CONFIG_SMP
137 PERCPU_SECTION(1 << CONFIG_MIPS_L1_CACHE_SHIFT)
138#endif
139
140#ifdef CONFIG_MIPS_ELF_APPENDED_DTB
141 .appended_dtb : AT(ADDR(.appended_dtb) - LOAD_OFFSET) {
142 *(.appended_dtb)
143 KEEP(*(.appended_dtb))
144 }
145#endif
146
147#ifdef CONFIG_RELOCATABLE
148 . = ALIGN(4);
149
150 .data.reloc : {
151 _relocation_start = .;
152 /*
153 * Space for relocation table
154 * This needs to be filled so that the
155 * relocs tool can overwrite the content.
156 * An invalid value is left at the start of the
157 * section to abort relocation if the table
158 * has not been filled in.
159 */
160 LONG(0xFFFFFFFF);
161 FILL(0);
162 . += CONFIG_RELOCATION_TABLE_SIZE - 4;
163 _relocation_end = .;
164 }
165#endif
166
167#ifdef CONFIG_MIPS_RAW_APPENDED_DTB
168 __appended_dtb = .;
169 /* leave space for appended DTB */
170 . += 0x100000;
171#endif
172 /*
173 * Align to 64K in attempt to eliminate holes before the
174 * .bss..swapper_pg_dir section at the start of .bss. This
175 * also satisfies PAGE_SIZE alignment as the largest page size
176 * allowed is 64K.
177 */
178 . = ALIGN(0x10000);
179 __init_end = .;
180 /* freed after init ends here */
181
182 /*
183 * Force .bss to 64K alignment so that .bss..swapper_pg_dir
184 * gets that alignment. .sbss should be empty, so there will be
185 * no holes after __init_end. */
186 BSS_SECTION(0, 0x10000, 8)
187
188 _end = . ;
189
190 /* These mark the ABI of the kernel for debuggers. */
191 .mdebug.abi32 : {
192 KEEP(*(.mdebug.abi32))
193 }
194 .mdebug.abi64 : {
195 KEEP(*(.mdebug.abi64))
196 }
197
198 /* This is the MIPS specific mdebug section. */
199 .mdebug : {
200 *(.mdebug)
201 }
202
203 STABS_DEBUG
204 DWARF_DEBUG
205
206 /* These must appear regardless of . */
207 .gptab.sdata : {
208 *(.gptab.data)
209 *(.gptab.sdata)
210 }
211 .gptab.sbss : {
212 *(.gptab.bss)
213 *(.gptab.sbss)
214 }
215
216 /* Sections to be discarded */
217 DISCARDS
218 /DISCARD/ : {
219 /* ABI crap starts here */
220 *(.MIPS.abiflags)
221 *(.MIPS.options)
222 *(.options)
223 *(.pdr)
224 *(.reginfo)
225 *(.eh_frame)
226 }
227}