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#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#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 note PT_NOTE FLAGS(4); /* R__ */
21}
22
23#ifdef CONFIG_32BIT
24 #ifdef CONFIG_CPU_LITTLE_ENDIAN
25 jiffies = jiffies_64;
26 #else
27 jiffies = jiffies_64 + 4;
28 #endif
29#else
30 jiffies = jiffies_64;
31#endif
32
33SECTIONS
34{
35#ifdef CONFIG_BOOT_ELF64
36 /* Read-only sections, merged into text segment: */
37 /* . = 0xc000000000000000; */
38
39 /* This is the value for an Origin kernel, taken from an IRIX kernel. */
40 /* . = 0xc00000000001c000; */
41
42 /* Set the vaddr for the text segment to a value
43 * >= 0xa800 0000 0001 9000 if no symmon is going to configured
44 * >= 0xa800 0000 0030 0000 otherwise
45 */
46
47 /* . = 0xa800000000300000; */
48 . = 0xffffffff80300000;
49#endif
50 . = VMLINUX_LOAD_ADDRESS;
51 /* read-only */
52 _text = .; /* Text and read-only data */
53 .text : {
54 TEXT_TEXT
55 SCHED_TEXT
56 LOCK_TEXT
57 KPROBES_TEXT
58 IRQENTRY_TEXT
59 *(.text.*)
60 *(.fixup)
61 *(.gnu.warning)
62 } :text = 0
63 _etext = .; /* End of text section */
64
65 EXCEPTION_TABLE(16)
66
67 /* Exception table for data bus errors */
68 __dbe_table : {
69 __start___dbe_table = .;
70 *(__dbe_table)
71 __stop___dbe_table = .;
72 }
73
74 NOTES :text :note
75 .dummy : { *(.dummy) } :text
76
77 _sdata = .; /* Start of data section */
78 RODATA
79
80 /* writeable */
81 .data : { /* Data */
82 . = . + DATAOFFSET; /* for CONFIG_MAPPED_KERNEL */
83
84 INIT_TASK_DATA(THREAD_SIZE)
85 NOSAVE_DATA
86 CACHELINE_ALIGNED_DATA(1 << CONFIG_MIPS_L1_CACHE_SHIFT)
87 READ_MOSTLY_DATA(1 << CONFIG_MIPS_L1_CACHE_SHIFT)
88 DATA_DATA
89 CONSTRUCTORS
90 }
91 _gp = . + 0x8000;
92 .lit8 : {
93 *(.lit8)
94 }
95 .lit4 : {
96 *(.lit4)
97 }
98 /* We want the small data sections together, so single-instruction offsets
99 can access them all, and initialized data all before uninitialized, so
100 we can shorten the on-disk segment size. */
101 .sdata : {
102 *(.sdata)
103 }
104 _edata = .; /* End of data section */
105
106 /* will be freed after init */
107 . = ALIGN(PAGE_SIZE); /* Init code and data */
108 __init_begin = .;
109 INIT_TEXT_SECTION(PAGE_SIZE)
110 INIT_DATA_SECTION(16)
111
112 . = ALIGN(4);
113 .mips.machines.init : AT(ADDR(.mips.machines.init) - LOAD_OFFSET) {
114 __mips_machines_start = .;
115 *(.mips.machines.init)
116 __mips_machines_end = .;
117 }
118
119 /* .exit.text is discarded at runtime, not link time, to deal with
120 * references from .rodata
121 */
122 .exit.text : {
123 EXIT_TEXT
124 }
125 .exit.data : {
126 EXIT_DATA
127 }
128
129 PERCPU_SECTION(1 << CONFIG_MIPS_L1_CACHE_SHIFT)
130 /*
131 * Align to 64K in attempt to eliminate holes before the
132 * .bss..swapper_pg_dir section at the start of .bss. This
133 * also satisfies PAGE_SIZE alignment as the largest page size
134 * allowed is 64K.
135 */
136 . = ALIGN(0x10000);
137 __init_end = .;
138 /* freed after init ends here */
139
140 /*
141 * Force .bss to 64K alignment so that .bss..swapper_pg_dir
142 * gets that alignment. .sbss should be empty, so there will be
143 * no holes after __init_end. */
144 BSS_SECTION(0, 0x10000, 0)
145
146 _end = . ;
147
148 /* These mark the ABI of the kernel for debuggers. */
149 .mdebug.abi32 : {
150 KEEP(*(.mdebug.abi32))
151 }
152 .mdebug.abi64 : {
153 KEEP(*(.mdebug.abi64))
154 }
155
156 /* This is the MIPS specific mdebug section. */
157 .mdebug : {
158 *(.mdebug)
159 }
160
161 STABS_DEBUG
162 DWARF_DEBUG
163
164 /* These must appear regardless of . */
165 .gptab.sdata : {
166 *(.gptab.data)
167 *(.gptab.sdata)
168 }
169 .gptab.sbss : {
170 *(.gptab.bss)
171 *(.gptab.sbss)
172 }
173
174 /* Sections to be discarded */
175 DISCARDS
176 /DISCARD/ : {
177 /* ABI crap starts here */
178 *(.MIPS.options)
179 *(.options)
180 *(.pdr)
181 *(.reginfo)
182 *(.eh_frame)
183 }
184}