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Huacai Chenfa96b572022-05-31 18:04:11 +08001/* SPDX-License-Identifier: GPL-2.0 */
2#include <linux/sizes.h>
3#include <asm/asm-offsets.h>
4#include <asm/thread_info.h>
5
6#define PAGE_SIZE _PAGE_SIZE
Youling Tang26bc8242022-12-10 22:39:59 +08007#define RO_EXCEPTION_TABLE_ALIGN 4
Huacai Chenfa96b572022-05-31 18:04:11 +08008
9/*
10 * Put .bss..swapper_pg_dir as the first thing in .bss. This will
11 * ensure that it has .bss alignment (64K).
12 */
13#define BSS_FIRST_SECTIONS *(.bss..swapper_pg_dir)
14
15#include <asm-generic/vmlinux.lds.h>
Huacai Chenead384d2022-08-19 18:20:37 +080016#include "image-vars.h"
Huacai Chenfa96b572022-05-31 18:04:11 +080017
18/*
19 * Max avaliable Page Size is 64K, so we set SectionAlignment
20 * field of EFI application to 64K.
21 */
22PECOFF_FILE_ALIGN = 0x200;
23PECOFF_SEGMENT_ALIGN = 0x10000;
24
25OUTPUT_ARCH(loongarch)
26ENTRY(kernel_entry)
27PHDRS {
28 text PT_LOAD FLAGS(7); /* RWX */
29 note PT_NOTE FLAGS(4); /* R__ */
30}
31
32jiffies = jiffies_64;
33
34SECTIONS
35{
36 . = VMLINUX_LOAD_ADDRESS;
37
38 _text = .;
39 HEAD_TEXT_SECTION
40
41 . = ALIGN(PECOFF_SEGMENT_ALIGN);
Huacai Chen92264f22022-06-25 16:55:41 +080042 _stext = .;
Huacai Chenfa96b572022-05-31 18:04:11 +080043 .text : {
44 TEXT_TEXT
45 SCHED_TEXT
Huacai Chenfa96b572022-05-31 18:04:11 +080046 LOCK_TEXT
47 KPROBES_TEXT
48 IRQENTRY_TEXT
49 SOFTIRQENTRY_TEXT
50 *(.fixup)
51 *(.gnu.warning)
52 } :text = 0
53 . = ALIGN(PECOFF_SEGMENT_ALIGN);
54 _etext = .;
55
Huacai Chenfa96b572022-05-31 18:04:11 +080056 . = ALIGN(PECOFF_SEGMENT_ALIGN);
57 __init_begin = .;
58 __inittext_begin = .;
59
60 INIT_TEXT_SECTION(PAGE_SIZE)
61 .exit.text : {
62 EXIT_TEXT
63 }
64
65 . = ALIGN(PECOFF_SEGMENT_ALIGN);
66 __inittext_end = .;
67
68 __initdata_begin = .;
69
Helge Deller68ffa232023-09-20 14:26:28 +080070 /*
71 * struct alt_inst entries. From the header (alternative.h):
72 * "Alternative instructions for different CPU types or capabilities"
73 * Think locking instructions on spinlocks.
74 */
75 . = ALIGN(4);
76 .altinstructions : AT(ADDR(.altinstructions) - LOAD_OFFSET) {
77 __alt_instructions = .;
78 *(.altinstructions)
79 __alt_instructions_end = .;
80 }
81
Huacai Chenfa96b572022-05-31 18:04:11 +080082 INIT_DATA_SECTION(16)
83 .exit.data : {
84 EXIT_DATA
85 }
86
Huacai Chen46859ac2022-05-31 18:04:12 +080087#ifdef CONFIG_SMP
88 PERCPU_SECTION(1 << CONFIG_L1_CACHE_SHIFT)
89#endif
90
Huacai Chenfa96b572022-05-31 18:04:11 +080091 .init.bss : {
92 *(.init.bss)
93 }
94 . = ALIGN(PECOFF_SEGMENT_ALIGN);
95 __initdata_end = .;
96
97 __init_end = .;
98
99 _sdata = .;
100 RO_DATA(4096)
Helge Deller68ffa232023-09-20 14:26:28 +0800101
102 .got : ALIGN(16) { *(.got) }
103 .plt : ALIGN(16) { *(.plt) }
104 .got.plt : ALIGN(16) { *(.got.plt) }
105
Huacai Chenfa96b572022-05-31 18:04:11 +0800106 RW_DATA(1 << CONFIG_L1_CACHE_SHIFT, PAGE_SIZE, THREAD_SIZE)
107
Youling Tangd8da19f2023-02-25 15:52:56 +0800108 .rela.dyn : ALIGN(8) {
109 __rela_dyn_begin = .;
110 *(.rela.dyn) *(.rela*)
111 __rela_dyn_end = .;
112 }
113
Helge Deller68ffa232023-09-20 14:26:28 +0800114 .data.rel : { *(.data.rel*) }
115
116#ifdef CONFIG_RELOCATABLE
117 . = ALIGN(8);
118 .la_abs : AT(ADDR(.la_abs) - LOAD_OFFSET) {
119 __la_abs_begin = .;
120 *(.la_abs)
121 __la_abs_end = .;
122 }
123#endif
124
Huacai Chenfa96b572022-05-31 18:04:11 +0800125 .sdata : {
126 *(.sdata)
127 }
128 .edata_padding : { BYTE(0); . = ALIGN(PECOFF_FILE_ALIGN); }
129 _edata = .;
130
131 BSS_SECTION(0, SZ_64K, 8)
132 . = ALIGN(PECOFF_SEGMENT_ALIGN);
133
134 _end = .;
135
136 STABS_DEBUG
137 DWARF_DEBUG
Youling Tangb6723322022-06-13 18:54:12 +0800138 ELF_DETAILS
Huacai Chenfa96b572022-05-31 18:04:11 +0800139
WANG Rui414cefc2023-06-29 20:58:42 +0800140#ifdef CONFIG_EFI_STUB
141 /* header symbols */
142 _kernel_asize = _end - _text;
143 _kernel_fsize = _edata - _text;
144 _kernel_vsize = _end - __initdata_begin;
145 _kernel_rsize = _edata - __initdata_begin;
146 _kernel_offset = kernel_offset - _text;
147#endif
148
Huacai Chenfa96b572022-05-31 18:04:11 +0800149 .gptab.sdata : {
150 *(.gptab.data)
151 *(.gptab.sdata)
152 }
153 .gptab.sbss : {
154 *(.gptab.bss)
155 *(.gptab.sbss)
156 }
157
158 DISCARDS
159 /DISCARD/ : {
Youling Tangd8da19f2023-02-25 15:52:56 +0800160 *(.dynamic .dynsym .dynstr .hash .gnu.hash)
Huacai Chenfa96b572022-05-31 18:04:11 +0800161 *(.gnu.attributes)
162 *(.options)
163 *(.eh_frame)
164 }
165}