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	.exit.text :
33	{
34		EXIT_TEXT
35	}
36
37	.text : {
38		_text = .;
39		_stext = .;
40		TEXT_TEXT
41		SCHED_TEXT
42		CPUIDLE_TEXT
43		LOCK_TEXT
44		KPROBES_TEXT
45		ENTRY_TEXT
46		IRQENTRY_TEXT
47		SOFTIRQENTRY_TEXT
48		*(.fixup)
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(16);		/* location in file */
68	. = LOAD_OFFSET + XIP_OFFSET;	/* location in memory */
69
70	_sdata = .;			/* Start of data section */
71	_data = .;
72	RW_DATA(L1_CACHE_BYTES, PAGE_SIZE, THREAD_SIZE)
73	_edata = .;
74	__start_ro_after_init = .;
75	.data.ro_after_init : AT(ADDR(.data.ro_after_init) - LOAD_OFFSET) {
76		*(.data..ro_after_init)
77	}
78	__end_ro_after_init = .;
79
80	. = ALIGN(PAGE_SIZE);
81	__init_begin = .;
82	.init.data : {
83		INIT_DATA
84	}
85	.exit.data : {
86		EXIT_DATA
87	}
88	. = ALIGN(8);
89	__soc_early_init_table : {
90		__soc_early_init_table_start = .;
91		KEEP(*(__soc_early_init_table))
92		__soc_early_init_table_end = .;
93	}
94	__soc_builtin_dtb_table : {
95		__soc_builtin_dtb_table_start = .;
96		KEEP(*(__soc_builtin_dtb_table))
97		__soc_builtin_dtb_table_end = .;
98	}
99	PERCPU_SECTION(L1_CACHE_BYTES)
100
101	. = ALIGN(8);
102	.alternative : {
103		__alt_start = .;
104		*(.alternative)
105		__alt_end = .;
106	}
107	__init_end = .;
108
109	. = ALIGN(16);
110	.xip.traps : {
111		__xip_traps_start = .;
112		*(.xip.traps)
113		__xip_traps_end = .;
114	}
115
116	. = ALIGN(PAGE_SIZE);
117	.sdata : {
118		__global_pointer$ = . + 0x800;
119		*(.sdata*)
120		*(.sbss*)
121	}
122
123	BSS_SECTION(PAGE_SIZE, PAGE_SIZE, 0)
124
125	.rel.dyn : AT(ADDR(.rel.dyn) - LOAD_OFFSET) {
126		*(.rel.dyn*)
127	}
128
129	/*
130	 * End of copied data. We need a dummy section to get its LMA.
131	 * Also located before final ALIGN() as trailing padding is not stored
132	 * in the resulting binary file and useless to copy.
133	 */
134	.data.endmark : AT(ADDR(.data.endmark) - LOAD_OFFSET) { }
135	_edata_loc = LOADADDR(.data.endmark);
136
137	. = ALIGN(PAGE_SIZE);
138	_end = .;
139
140	STABS_DEBUG
141	DWARF_DEBUG
142
143	DISCARDS
144}
145