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		_etext = .;
49	}
50	RO_DATA(L1_CACHE_BYTES)
51	.srodata : {
52		*(.srodata*)
53	}
54	.init.rodata : {
55		INIT_SETUP(16)
56		INIT_CALLS
57		CON_INITCALL
58		INIT_RAM_FS
59	}
60	_exiprom = .;			/* End of XIP ROM area */
61
62
63/*
64 * From this point, stuff is considered writable and will be copied to RAM
65 */
66	__data_loc = ALIGN(PAGE_SIZE);		/* location in file */
67	. = KERNEL_LINK_ADDR + XIP_OFFSET;	/* location in memory */
68
69#undef LOAD_OFFSET
70#define LOAD_OFFSET (KERNEL_LINK_ADDR + XIP_OFFSET - (__data_loc & XIP_OFFSET_MASK))
71
72	_sdata = .;			/* Start of data section */
73	_data = .;
74	RW_DATA(L1_CACHE_BYTES, PAGE_SIZE, THREAD_SIZE)
75	_edata = .;
76	__start_ro_after_init = .;
77	.data.ro_after_init : AT(ADDR(.data.ro_after_init) - LOAD_OFFSET) {
78		*(.data..ro_after_init)
79	}
80	__end_ro_after_init = .;
81
82	. = ALIGN(PAGE_SIZE);
83	__init_begin = .;
84	.init.data : {
85		INIT_DATA
86	}
87	.exit.data : {
88		EXIT_DATA
89	}
90	. = ALIGN(8);
91	__soc_early_init_table : {
92		__soc_early_init_table_start = .;
93		KEEP(*(__soc_early_init_table))
94		__soc_early_init_table_end = .;
95	}
96	__soc_builtin_dtb_table : {
97		__soc_builtin_dtb_table_start = .;
98		KEEP(*(__soc_builtin_dtb_table))
99		__soc_builtin_dtb_table_end = .;
100	}
101
102	. = ALIGN(8);
103	.alternative : {
104		__alt_start = .;
105		*(.alternative)
106		__alt_end = .;
107	}
108	__init_end = .;
109
110	. = ALIGN(16);
111	.xip.traps : {
112		__xip_traps_start = .;
113		*(.xip.traps)
114		__xip_traps_end = .;
115	}
116
117	. = ALIGN(PAGE_SIZE);
118	.sdata : {
119		__global_pointer$ = . + 0x800;
120		*(.sdata*)
121		*(.sbss*)
122	}
123
124	BSS_SECTION(PAGE_SIZE, PAGE_SIZE, 0)
125
126	PERCPU_SECTION(L1_CACHE_BYTES)
127
128	.rel.dyn : AT(ADDR(.rel.dyn) - LOAD_OFFSET) {
129		*(.rel.dyn*)
130	}
131
132	/*
133	 * End of copied data. We need a dummy section to get its LMA.
134	 * Also located before final ALIGN() as trailing padding is not stored
135	 * in the resulting binary file and useless to copy.
136	 */
137	.data.endmark : AT(ADDR(.data.endmark) - LOAD_OFFSET) { }
138	_edata_loc = LOADADDR(.data.endmark);
139
140	. = ALIGN(PAGE_SIZE);
141	_end = .;
142
143	STABS_DEBUG
144	DWARF_DEBUG
145
146	DISCARDS
147}
148