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 * Copyright (C) 2020 Vitaly Wool, Konsulko AB
6 */
7
8#include <asm/pgtable.h>
9#define LOAD_OFFSET KERNEL_LINK_ADDR
10/* No __ro_after_init data in the .rodata section - which will always be ro */
11#define RO_AFTER_INIT_DATA
12
13#include <asm/vmlinux.lds.h>
14#include <asm/page.h>
15#include <asm/cache.h>
16#include <asm/thread_info.h>
17
18OUTPUT_ARCH(riscv)
19ENTRY(_start)
20
21jiffies = jiffies_64;
22
23SECTIONS
24{
25	/* Beginning of code and text segment */
26	. = LOAD_OFFSET;
27	_xiprom = .;
28	_start = .;
29	HEAD_TEXT_SECTION
30	INIT_TEXT_SECTION(PAGE_SIZE)
31	/* we have to discard exit text and such at runtime, not link time */
32	__exittext_begin = .;
33	.exit.text :
34	{
35		EXIT_TEXT
36	}
37	__exittext_end = .;
38
39	.text : {
40		_text = .;
41		_stext = .;
42		TEXT_TEXT
43		SCHED_TEXT
44		LOCK_TEXT
45		KPROBES_TEXT
46		ENTRY_TEXT
47		IRQENTRY_TEXT
48		SOFTIRQENTRY_TEXT
49		_etext = .;
50	}
51	RO_DATA(L1_CACHE_BYTES)
52	.srodata : {
53		*(.srodata*)
54	}
55	.init.rodata : {
56		INIT_SETUP(16)
57		INIT_CALLS
58		CON_INITCALL
59		INIT_RAM_FS
60	}
61	_exiprom = .;			/* End of XIP ROM area */
62
63
64/*
65 * From this point, stuff is considered writable and will be copied to RAM
66 */
67	__data_loc = ALIGN(PAGE_SIZE);		/* location in file */
68	. = KERNEL_LINK_ADDR + XIP_OFFSET;	/* location in memory */
69
70#undef LOAD_OFFSET
71#define LOAD_OFFSET (KERNEL_LINK_ADDR + XIP_OFFSET - (__data_loc & XIP_OFFSET_MASK))
72
73	_sdata = .;			/* Start of data section */
74	_data = .;
75	RW_DATA(L1_CACHE_BYTES, PAGE_SIZE, THREAD_SIZE)
76	_edata = .;
77	__start_ro_after_init = .;
78	.data.ro_after_init : AT(ADDR(.data.ro_after_init) - LOAD_OFFSET) {
79		*(.data..ro_after_init)
80	}
81	__end_ro_after_init = .;
82
83	. = ALIGN(PAGE_SIZE);
84	__init_begin = .;
85	.init.data : {
86		INIT_DATA
87	}
88	.exit.data : {
89		EXIT_DATA
90	}
91	. = ALIGN(8);
92	__soc_early_init_table : {
93		__soc_early_init_table_start = .;
94		KEEP(*(__soc_early_init_table))
95		__soc_early_init_table_end = .;
96	}
97	__soc_builtin_dtb_table : {
98		__soc_builtin_dtb_table_start = .;
99		KEEP(*(__soc_builtin_dtb_table))
100		__soc_builtin_dtb_table_end = .;
101	}
102
103	__init_end = .;
104
105	. = ALIGN(16);
106	.xip.traps : {
107		__xip_traps_start = .;
108		*(.xip.traps)
109		__xip_traps_end = .;
110	}
111
112	. = ALIGN(PAGE_SIZE);
113	.sdata : {
114		__global_pointer$ = . + 0x800;
115		*(.sdata*)
116		*(.sbss*)
117	}
118
119	BSS_SECTION(PAGE_SIZE, PAGE_SIZE, 0)
120
121	PERCPU_SECTION(L1_CACHE_BYTES)
122
123	.rel.dyn : AT(ADDR(.rel.dyn) - LOAD_OFFSET) {
124		*(.rel.dyn*)
125	}
126
127	/*
128	 * End of copied data. We need a dummy section to get its LMA.
129	 * Also located before final ALIGN() as trailing padding is not stored
130	 * in the resulting binary file and useless to copy.
131	 */
132	.data.endmark : AT(ADDR(.data.endmark) - LOAD_OFFSET) { }
133	_edata_loc = LOADADDR(.data.endmark);
134
135	. = ALIGN(PAGE_SIZE);
136	_end = .;
137
138	STABS_DEBUG
139	DWARF_DEBUG
140
141	DISCARDS
142}
143