1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
2 | /* |
3 | * Copyright (C) 2012 Regents of the University of California |
4 | * Copyright (C) 2017 SiFive |
5 | */ |
6 | |
7 | #define RO_EXCEPTION_TABLE_ALIGN 4 |
8 | #define RUNTIME_DISCARD_EXIT |
9 | |
10 | #ifdef CONFIG_XIP_KERNEL |
11 | #include "vmlinux-xip.lds.S" |
12 | #else |
13 | |
14 | #include <asm/pgtable.h> |
15 | #define LOAD_OFFSET KERNEL_LINK_ADDR |
16 | |
17 | #include <asm/vmlinux.lds.h> |
18 | #include <asm/page.h> |
19 | #include <asm/cache.h> |
20 | #include <asm/thread_info.h> |
21 | #include <asm/set_memory.h> |
22 | #include "image-vars.h" |
23 | |
24 | #include <linux/sizes.h> |
25 | OUTPUT_ARCH(riscv) |
26 | ENTRY(_start) |
27 | |
28 | jiffies = jiffies_64; |
29 | |
30 | SECTIONS |
31 | { |
32 | /* Beginning of code and text segment */ |
33 | . = LOAD_OFFSET; |
34 | _start = .; |
35 | HEAD_TEXT_SECTION |
36 | . = ALIGN(PAGE_SIZE); |
37 | |
38 | .text : { |
39 | _text = .; |
40 | _stext = .; |
41 | TEXT_TEXT |
42 | SCHED_TEXT |
43 | LOCK_TEXT |
44 | KPROBES_TEXT |
45 | ENTRY_TEXT |
46 | IRQENTRY_TEXT |
47 | SOFTIRQENTRY_TEXT |
48 | _etext = .; |
49 | } |
50 | |
51 | . = ALIGN(SECTION_ALIGN); |
52 | __init_begin = .; |
53 | __init_text_begin = .; |
54 | .init.text : AT(ADDR(.init.text) - LOAD_OFFSET) ALIGN(SECTION_ALIGN) { \ |
55 | _sinittext = .; \ |
56 | INIT_TEXT \ |
57 | _einittext = .; \ |
58 | } |
59 | |
60 | . = ALIGN(8); |
61 | __soc_early_init_table : { |
62 | __soc_early_init_table_start = .; |
63 | KEEP(*(__soc_early_init_table)) |
64 | __soc_early_init_table_end = .; |
65 | } |
66 | __soc_builtin_dtb_table : { |
67 | __soc_builtin_dtb_table_start = .; |
68 | KEEP(*(__soc_builtin_dtb_table)) |
69 | __soc_builtin_dtb_table_end = .; |
70 | } |
71 | /* we have to discard exit text and such at runtime, not link time */ |
72 | __exittext_begin = .; |
73 | .exit.text : |
74 | { |
75 | EXIT_TEXT |
76 | } |
77 | __exittext_end = .; |
78 | |
79 | __init_text_end = .; |
80 | . = ALIGN(SECTION_ALIGN); |
81 | #ifdef CONFIG_EFI |
82 | . = ALIGN(PECOFF_SECTION_ALIGNMENT); |
83 | __pecoff_text_end = .; |
84 | #endif |
85 | /* Start of init data section */ |
86 | __init_data_begin = .; |
87 | INIT_DATA_SECTION(16) |
88 | |
89 | .init.pi : { |
90 | KEEP(*(.init.pi*)) |
91 | } |
92 | |
93 | .init.bss : { |
94 | KEEP(*(.init.bss*)) /* from the EFI stub */ |
95 | } |
96 | .exit.data : |
97 | { |
98 | EXIT_DATA |
99 | } |
100 | PERCPU_SECTION(L1_CACHE_BYTES) |
101 | |
102 | .rel.dyn : { |
103 | *(.rel.dyn*) |
104 | } |
105 | |
106 | .rela.dyn : ALIGN(8) { |
107 | __rela_dyn_start = .; |
108 | *(.rela .rela*) |
109 | __rela_dyn_end = .; |
110 | } |
111 | |
112 | __init_data_end = .; |
113 | |
114 | . = ALIGN(8); |
115 | .alternative : { |
116 | __alt_start = .; |
117 | KEEP(*(.alternative)) |
118 | __alt_end = .; |
119 | } |
120 | __init_end = .; |
121 | |
122 | /* Start of data section */ |
123 | _sdata = .; |
124 | RO_DATA(SECTION_ALIGN) |
125 | .srodata : { |
126 | *(.srodata*) |
127 | } |
128 | |
129 | . = ALIGN(SECTION_ALIGN); |
130 | _data = .; |
131 | |
132 | RW_DATA(L1_CACHE_BYTES, PAGE_SIZE, THREAD_ALIGN) |
133 | .sdata : { |
134 | __global_pointer$ = . + 0x800; |
135 | *(.sdata*) |
136 | } |
137 | |
138 | .got : { *(.got*) } |
139 | |
140 | #ifdef CONFIG_RELOCATABLE |
141 | .data.rel : { *(.data.rel*) } |
142 | .plt : { *(.plt) } |
143 | .dynamic : { *(.dynamic) } |
144 | .dynsym : { *(.dynsym) } |
145 | .dynstr : { *(.dynstr) } |
146 | .hash : { *(.hash) } |
147 | .gnu.hash : { *(.gnu.hash) } |
148 | #endif |
149 | |
150 | #ifdef CONFIG_EFI |
151 | .pecoff_edata_padding : { BYTE(0); . = ALIGN(PECOFF_FILE_ALIGNMENT); } |
152 | __pecoff_data_raw_size = ABSOLUTE(. - __pecoff_text_end); |
153 | __pecoff_data_raw_end = ABSOLUTE(.); |
154 | #endif |
155 | |
156 | /* End of data section */ |
157 | _edata = .; |
158 | |
159 | BSS_SECTION(PAGE_SIZE, PAGE_SIZE, 0) |
160 | |
161 | #ifdef CONFIG_EFI |
162 | . = ALIGN(PECOFF_SECTION_ALIGNMENT); |
163 | __pecoff_data_virt_size = ABSOLUTE(. - __pecoff_text_end); |
164 | __pecoff_data_virt_end = ABSOLUTE(.); |
165 | #endif |
166 | _end = .; |
167 | |
168 | STABS_DEBUG |
169 | DWARF_DEBUG |
170 | ELF_DETAILS |
171 | .riscv.attributes 0 : { *(.riscv.attributes) } |
172 | |
173 | DISCARDS |
174 | } |
175 | #endif /* CONFIG_XIP_KERNEL */ |
176 | |