summaryrefslogtreecommitdiffstats
path: root/arch/riscv/kernel/vmlinux.lds.S
blob: 53a8ad65b255fb1e35b5bf1f54cdafc387769d80 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * Copyright (C) 2012 Regents of the University of California
 * Copyright (C) 2017 SiFive
 */

#define RO_EXCEPTION_TABLE_ALIGN	4
#define RUNTIME_DISCARD_EXIT

#ifdef CONFIG_XIP_KERNEL
#include "vmlinux-xip.lds.S"
#else

#include <asm/pgtable.h>
#define LOAD_OFFSET KERNEL_LINK_ADDR

#include <asm/vmlinux.lds.h>
#include <asm/page.h>
#include <asm/cache.h>
#include <asm/thread_info.h>
#include <asm/set_memory.h>
#include "image-vars.h"

#include <linux/sizes.h>
OUTPUT_ARCH(riscv)
ENTRY(_start)

jiffies = jiffies_64;

PECOFF_SECTION_ALIGNMENT = 0x1000;
PECOFF_FILE_ALIGNMENT = 0x200;

SECTIONS
{
	/* Beginning of code and text segment */
	. = LOAD_OFFSET;
	_start = .;
	HEAD_TEXT_SECTION
	. = ALIGN(PAGE_SIZE);

	.text : {
		_text = .;
		_stext = .;
		TEXT_TEXT
		SCHED_TEXT
		LOCK_TEXT
		KPROBES_TEXT
		ENTRY_TEXT
		IRQENTRY_TEXT
		SOFTIRQENTRY_TEXT
		_etext = .;
	}

	. = ALIGN(SECTION_ALIGN);
	__init_begin = .;
	__init_text_begin = .;
	.init.text : AT(ADDR(.init.text) - LOAD_OFFSET) ALIGN(SECTION_ALIGN) { \
		_sinittext = .;						\
		INIT_TEXT						\
		_einittext = .;						\
	}

	. = ALIGN(8);
	__soc_early_init_table : {
		__soc_early_init_table_start = .;
		KEEP(*(__soc_early_init_table))
		__soc_early_init_table_end = .;
	}
	__soc_builtin_dtb_table : {
		__soc_builtin_dtb_table_start = .;
		KEEP(*(__soc_builtin_dtb_table))
		__soc_builtin_dtb_table_end = .;
	}
	/* we have to discard exit text and such at runtime, not link time */
	.exit.text :
	{
		EXIT_TEXT
	}

	__init_text_end = .;
	. = ALIGN(SECTION_ALIGN);
#ifdef CONFIG_EFI
	. = ALIGN(PECOFF_SECTION_ALIGNMENT);
	__pecoff_text_end = .;
#endif
	/* Start of init data section */
	__init_data_begin = .;
	INIT_DATA_SECTION(16)
	.init.bss : {
		*(.init.bss)	/* from the EFI stub */
	}
	.exit.data :
	{
		EXIT_DATA
	}
	PERCPU_SECTION(L1_CACHE_BYTES)

	.rel.dyn : {
		*(.rel.dyn*)
	}

	.rela.dyn : {
		*(.rela*)
	}

	__init_data_end = .;

	. = ALIGN(8);
	.alternative : {
		__alt_start = .;
		*(.alternative)
		__alt_end = .;
	}
	__init_end = .;

	/* Start of data section */
	_sdata = .;
	RO_DATA(SECTION_ALIGN)
	.srodata : {
		*(.srodata*)
	}

	. = ALIGN(SECTION_ALIGN);
	_data = .;

	RW_DATA(L1_CACHE_BYTES, PAGE_SIZE, THREAD_ALIGN)
	.sdata : {
		__global_pointer$ = . + 0x800;
		*(.sdata*)
	}

#ifdef CONFIG_EFI
	.pecoff_edata_padding : { BYTE(0); . = ALIGN(PECOFF_FILE_ALIGNMENT); }
	__pecoff_data_raw_size = ABSOLUTE(. - __pecoff_text_end);
#endif

	/* End of data section */
	_edata = .;

	BSS_SECTION(PAGE_SIZE, PAGE_SIZE, 0)

#ifdef CONFIG_EFI
	. = ALIGN(PECOFF_SECTION_ALIGNMENT);
	__pecoff_data_virt_size = ABSOLUTE(. - __pecoff_text_end);
#endif
	_end = .;

	STABS_DEBUG
	DWARF_DEBUG
	ELF_DETAILS
	.riscv.attributes 0 : { *(.riscv.attributes) }

	DISCARDS
}
#endif /* CONFIG_XIP_KERNEL */