xref: /openbmc/linux/arch/riscv/kernel/vmlinux.lds.S (revision 3c8c1539) 
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	16
8
9#ifdef CONFIG_XIP_KERNEL
10#include "vmlinux-xip.lds.S"
11#else
12
13#include <asm/pgtable.h>
14#define LOAD_OFFSET KERNEL_LINK_ADDR
15
16#include <asm/vmlinux.lds.h>
17#include <asm/page.h>
18#include <asm/cache.h>
19#include <asm/thread_info.h>
20#include <asm/set_memory.h>
21#include "image-vars.h"
22
23#include <linux/sizes.h>
24OUTPUT_ARCH(riscv)
25ENTRY(_start)
26
27jiffies = jiffies_64;
28
29PECOFF_SECTION_ALIGNMENT = 0x1000;
30PECOFF_FILE_ALIGNMENT = 0x200;
31
32SECTIONS
33{
34	/* Beginning of code and text segment */
35	. = LOAD_OFFSET;
36	_start = .;
37	HEAD_TEXT_SECTION
38	. = ALIGN(PAGE_SIZE);
39
40	.text : {
41		_text = .;
42		_stext = .;
43		TEXT_TEXT
44		SCHED_TEXT
45		CPUIDLE_TEXT
46		LOCK_TEXT
47		KPROBES_TEXT
48		ENTRY_TEXT
49		IRQENTRY_TEXT
50		SOFTIRQENTRY_TEXT
51		*(.fixup)
52		_etext = .;
53	}
54
55	. = ALIGN(SECTION_ALIGN);
56	__init_begin = .;
57	__init_text_begin = .;
58	.init.text : AT(ADDR(.init.text) - LOAD_OFFSET) ALIGN(SECTION_ALIGN) { \
59		_sinittext = .;						\
60		INIT_TEXT						\
61		_einittext = .;						\
62	}
63
64	. = ALIGN(8);
65	__soc_early_init_table : {
66		__soc_early_init_table_start = .;
67		KEEP(*(__soc_early_init_table))
68		__soc_early_init_table_end = .;
69	}
70	__soc_builtin_dtb_table : {
71		__soc_builtin_dtb_table_start = .;
72		KEEP(*(__soc_builtin_dtb_table))
73		__soc_builtin_dtb_table_end = .;
74	}
75	/* we have to discard exit text and such at runtime, not link time */
76	.exit.text :
77	{
78		EXIT_TEXT
79	}
80
81	__init_text_end = .;
82	. = ALIGN(SECTION_ALIGN);
83#ifdef CONFIG_EFI
84	. = ALIGN(PECOFF_SECTION_ALIGNMENT);
85	__pecoff_text_end = .;
86#endif
87	/* Start of init data section */
88	__init_data_begin = .;
89	INIT_DATA_SECTION(16)
90	.exit.data :
91	{
92		EXIT_DATA
93	}
94	PERCPU_SECTION(L1_CACHE_BYTES)
95
96	.rel.dyn : {
97		*(.rel.dyn*)
98	}
99
100	__init_data_end = .;
101
102	. = ALIGN(8);
103	.alternative : {
104		__alt_start = .;
105		*(.alternative)
106		__alt_end = .;
107	}
108	__init_end = .;
109
110	/* Start of data section */
111	_sdata = .;
112	RO_DATA(SECTION_ALIGN)
113	.srodata : {
114		*(.srodata*)
115	}
116
117	. = ALIGN(SECTION_ALIGN);
118	_data = .;
119
120	RW_DATA(L1_CACHE_BYTES, PAGE_SIZE, THREAD_ALIGN)
121	.sdata : {
122		__global_pointer$ = . + 0x800;
123		*(.sdata*)
124	}
125
126#ifdef CONFIG_EFI
127	.pecoff_edata_padding : { BYTE(0); . = ALIGN(PECOFF_FILE_ALIGNMENT); }
128	__pecoff_data_raw_size = ABSOLUTE(. - __pecoff_text_end);
129#endif
130
131	/* End of data section */
132	_edata = .;
133
134	BSS_SECTION(PAGE_SIZE, PAGE_SIZE, 0)
135
136#ifdef CONFIG_EFI
137	. = ALIGN(PECOFF_SECTION_ALIGNMENT);
138	__pecoff_data_virt_size = ABSOLUTE(. - __pecoff_text_end);
139#endif
140	_end = .;
141
142	STABS_DEBUG
143	DWARF_DEBUG
144	ELF_DETAILS
145
146	DISCARDS
147}
148#endif /* CONFIG_XIP_KERNEL */
149