Loading...
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}
1#include <asm/asm-offsets.h>
2#include <asm/thread_info.h>
3
4#define PAGE_SIZE _PAGE_SIZE
5
6/*
7 * Put .bss..swapper_pg_dir as the first thing in .bss. This will
8 * ensure that it has .bss alignment (64K).
9 */
10#define BSS_FIRST_SECTIONS *(.bss..swapper_pg_dir)
11
12#include <asm-generic/vmlinux.lds.h>
13
14#undef mips
15#define mips mips
16OUTPUT_ARCH(mips)
17ENTRY(kernel_entry)
18PHDRS {
19 text PT_LOAD FLAGS(7); /* RWX */
20#ifndef CONFIG_CAVIUM_OCTEON_SOC
21 note PT_NOTE FLAGS(4); /* R__ */
22#endif /* CAVIUM_OCTEON_SOC */
23}
24
25#ifdef CONFIG_32BIT
26 #ifdef CONFIG_CPU_LITTLE_ENDIAN
27 jiffies = jiffies_64;
28 #else
29 jiffies = jiffies_64 + 4;
30 #endif
31#else
32 jiffies = jiffies_64;
33#endif
34
35SECTIONS
36{
37#ifdef CONFIG_BOOT_ELF64
38 /* Read-only sections, merged into text segment: */
39 /* . = 0xc000000000000000; */
40
41 /* This is the value for an Origin kernel, taken from an IRIX kernel. */
42 /* . = 0xc00000000001c000; */
43
44 /* Set the vaddr for the text segment to a value
45 * >= 0xa800 0000 0001 9000 if no symmon is going to configured
46 * >= 0xa800 0000 0030 0000 otherwise
47 */
48
49 /* . = 0xa800000000300000; */
50 . = 0xffffffff80300000;
51#endif
52 . = VMLINUX_LOAD_ADDRESS;
53 /* read-only */
54 _text = .; /* Text and read-only data */
55 .text : {
56 TEXT_TEXT
57 SCHED_TEXT
58 CPUIDLE_TEXT
59 LOCK_TEXT
60 KPROBES_TEXT
61 IRQENTRY_TEXT
62 SOFTIRQENTRY_TEXT
63 *(.text.*)
64 *(.fixup)
65 *(.gnu.warning)
66 } :text = 0
67 _etext = .; /* End of text section */
68
69 EXCEPTION_TABLE(16)
70
71 /* Exception table for data bus errors */
72 __dbe_table : {
73 __start___dbe_table = .;
74 *(__dbe_table)
75 __stop___dbe_table = .;
76 }
77
78#ifdef CONFIG_CAVIUM_OCTEON_SOC
79#define NOTES_HEADER
80#else /* CONFIG_CAVIUM_OCTEON_SOC */
81#define NOTES_HEADER :note
82#endif /* CONFIG_CAVIUM_OCTEON_SOC */
83 NOTES :text NOTES_HEADER
84 .dummy : { *(.dummy) } :text
85
86 _sdata = .; /* Start of data section */
87 RODATA
88
89 /* writeable */
90 .data : { /* Data */
91 . = . + DATAOFFSET; /* for CONFIG_MAPPED_KERNEL */
92
93 INIT_TASK_DATA(THREAD_SIZE)
94 NOSAVE_DATA
95 CACHELINE_ALIGNED_DATA(1 << CONFIG_MIPS_L1_CACHE_SHIFT)
96 READ_MOSTLY_DATA(1 << CONFIG_MIPS_L1_CACHE_SHIFT)
97 DATA_DATA
98 CONSTRUCTORS
99 }
100 _gp = . + 0x8000;
101 .lit8 : {
102 *(.lit8)
103 }
104 .lit4 : {
105 *(.lit4)
106 }
107 /* We want the small data sections together, so single-instruction offsets
108 can access them all, and initialized data all before uninitialized, so
109 we can shorten the on-disk segment size. */
110 .sdata : {
111 *(.sdata)
112 }
113 _edata = .; /* End of data section */
114
115 /* will be freed after init */
116 . = ALIGN(PAGE_SIZE); /* Init code and data */
117 __init_begin = .;
118 INIT_TEXT_SECTION(PAGE_SIZE)
119 INIT_DATA_SECTION(16)
120
121 . = ALIGN(4);
122 .mips.machines.init : AT(ADDR(.mips.machines.init) - LOAD_OFFSET) {
123 __mips_machines_start = .;
124 *(.mips.machines.init)
125 __mips_machines_end = .;
126 }
127
128 /* .exit.text is discarded at runtime, not link time, to deal with
129 * references from .rodata
130 */
131 .exit.text : {
132 EXIT_TEXT
133 }
134 .exit.data : {
135 EXIT_DATA
136 }
137#ifdef CONFIG_SMP
138 PERCPU_SECTION(1 << CONFIG_MIPS_L1_CACHE_SHIFT)
139#endif
140
141#ifdef CONFIG_RELOCATABLE
142 . = ALIGN(4);
143
144 .data.reloc : {
145 _relocation_start = .;
146 /*
147 * Space for relocation table
148 * This needs to be filled so that the
149 * relocs tool can overwrite the content.
150 * An invalid value is left at the start of the
151 * section to abort relocation if the table
152 * has not been filled in.
153 */
154 LONG(0xFFFFFFFF);
155 FILL(0);
156 . += CONFIG_RELOCATION_TABLE_SIZE - 4;
157 _relocation_end = .;
158 }
159#endif
160
161#ifdef CONFIG_MIPS_RAW_APPENDED_DTB
162 __appended_dtb = .;
163 /* leave space for appended DTB */
164 . += 0x100000;
165#elif defined(CONFIG_MIPS_ELF_APPENDED_DTB)
166 .appended_dtb : AT(ADDR(.appended_dtb) - LOAD_OFFSET) {
167 *(.appended_dtb)
168 KEEP(*(.appended_dtb))
169 }
170#endif
171 /*
172 * Align to 64K in attempt to eliminate holes before the
173 * .bss..swapper_pg_dir section at the start of .bss. This
174 * also satisfies PAGE_SIZE alignment as the largest page size
175 * allowed is 64K.
176 */
177 . = ALIGN(0x10000);
178 __init_end = .;
179 /* freed after init ends here */
180
181 /*
182 * Force .bss to 64K alignment so that .bss..swapper_pg_dir
183 * gets that alignment. .sbss should be empty, so there will be
184 * no holes after __init_end. */
185 BSS_SECTION(0, 0x10000, 0)
186
187 _end = . ;
188
189 /* These mark the ABI of the kernel for debuggers. */
190 .mdebug.abi32 : {
191 KEEP(*(.mdebug.abi32))
192 }
193 .mdebug.abi64 : {
194 KEEP(*(.mdebug.abi64))
195 }
196
197 /* This is the MIPS specific mdebug section. */
198 .mdebug : {
199 *(.mdebug)
200 }
201
202 STABS_DEBUG
203 DWARF_DEBUG
204
205 /* These must appear regardless of . */
206 .gptab.sdata : {
207 *(.gptab.data)
208 *(.gptab.sdata)
209 }
210 .gptab.sbss : {
211 *(.gptab.bss)
212 *(.gptab.sbss)
213 }
214
215 /* Sections to be discarded */
216 DISCARDS
217 /DISCARD/ : {
218 /* ABI crap starts here */
219 *(.MIPS.abiflags)
220 *(.MIPS.options)
221 *(.options)
222 *(.pdr)
223 *(.reginfo)
224 *(.eh_frame)
225 }
226}