xref: /openbmc/linux/arch/riscv/kernel/vmlinux.lds.S (revision c94b731d) 
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
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		_etext = .;
52	}
53
54	. = ALIGN(SECTION_ALIGN);
55	__init_begin = .;
56	__init_text_begin = .;
57	.init.text : AT(ADDR(.init.text) - LOAD_OFFSET) ALIGN(SECTION_ALIGN) { \
58		_sinittext = .;						\
59		INIT_TEXT						\
60		_einittext = .;						\
61	}
62
63	. = ALIGN(8);
64	__soc_early_init_table : {
65		__soc_early_init_table_start = .;
66		KEEP(*(__soc_early_init_table))
67		__soc_early_init_table_end = .;
68	}
69	__soc_builtin_dtb_table : {
70		__soc_builtin_dtb_table_start = .;
71		KEEP(*(__soc_builtin_dtb_table))
72		__soc_builtin_dtb_table_end = .;
73	}
74	/* we have to discard exit text and such at runtime, not link time */
75	.exit.text :
76	{
77		EXIT_TEXT
78	}
79
80	__init_text_end = .;
81	. = ALIGN(SECTION_ALIGN);
82#ifdef CONFIG_EFI
83	. = ALIGN(PECOFF_SECTION_ALIGNMENT);
84	__pecoff_text_end = .;
85#endif
86	/* Start of init data section */
87	__init_data_begin = .;
88	INIT_DATA_SECTION(16)
89	.exit.data :
90	{
91		EXIT_DATA
92	}
93	PERCPU_SECTION(L1_CACHE_BYTES)
94
95	.rel.dyn : {
96		*(.rel.dyn*)
97	}
98
99	__init_data_end = .;
100
101	. = ALIGN(8);
102	.alternative : {
103		__alt_start = .;
104		*(.alternative)
105		__alt_end = .;
106	}
107	__init_end = .;
108
109	/* Start of data section */
110	_sdata = .;
111	RO_DATA(SECTION_ALIGN)
112	.srodata : {
113		*(.srodata*)
114	}
115
116	. = ALIGN(SECTION_ALIGN);
117	_data = .;
118
119	RW_DATA(L1_CACHE_BYTES, PAGE_SIZE, THREAD_ALIGN)
120	.sdata : {
121		__global_pointer$ = . + 0x800;
122		*(.sdata*)
123	}
124
125#ifdef CONFIG_EFI
126	.pecoff_edata_padding : { BYTE(0); . = ALIGN(PECOFF_FILE_ALIGNMENT); }
127	__pecoff_data_raw_size = ABSOLUTE(. - __pecoff_text_end);
128#endif
129
130	/* End of data section */
131	_edata = .;
132
133	BSS_SECTION(PAGE_SIZE, PAGE_SIZE, 0)
134
135#ifdef CONFIG_EFI
136	. = ALIGN(PECOFF_SECTION_ALIGNMENT);
137	__pecoff_data_virt_size = ABSOLUTE(. - __pecoff_text_end);
138#endif
139	_end = .;
140
141	STABS_DEBUG
142	DWARF_DEBUG
143	ELF_DETAILS
144
145	DISCARDS
146}
147#endif /* CONFIG_XIP_KERNEL */
148