xref: /linux-6.15/arch/sh/kernel/vmlinux.lds.S (revision 02bf6cc7) 
1/*
2 * ld script to make SuperH Linux kernel
3 * Written by Niibe Yutaka and Paul Mundt
4 */
5#ifdef CONFIG_SUPERH64
6#define LOAD_OFFSET	CONFIG_PAGE_OFFSET
7OUTPUT_ARCH(sh:sh5)
8#else
9#define LOAD_OFFSET	0
10OUTPUT_ARCH(sh)
11#endif
12
13#include <asm/thread_info.h>
14#include <asm/cache.h>
15#include <asm/vmlinux.lds.h>
16
17#if defined(CONFIG_32BIT) && !defined(CONFIG_PMB_LEGACY)
18#define MEMORY_OFFSET	0
19#else
20#define MEMORY_OFFSET	(CONFIG_MEMORY_START & 0x1fffffff)
21#endif
22
23ENTRY(_start)
24SECTIONS
25{
26	. = CONFIG_PAGE_OFFSET + MEMORY_OFFSET + CONFIG_ZERO_PAGE_OFFSET;
27
28	_text = .;		/* Text and read-only data */
29
30	.empty_zero_page : AT(ADDR(.empty_zero_page) - LOAD_OFFSET) {
31		*(.empty_zero_page)
32	} = 0
33
34	.text : AT(ADDR(.text) - LOAD_OFFSET) {
35		HEAD_TEXT
36		TEXT_TEXT
37
38#ifdef CONFIG_SUPERH64
39		*(.text64)
40		*(.text..SHmedia32)
41#endif
42
43		SCHED_TEXT
44		LOCK_TEXT
45		KPROBES_TEXT
46		IRQENTRY_TEXT
47		*(.fixup)
48		*(.gnu.warning)
49		_etext = .;		/* End of text section */
50	} = 0x0009
51
52	EXCEPTION_TABLE(16)
53
54	NOTES
55	RO_DATA(PAGE_SIZE)
56
57	/*
58	 * Code which must be executed uncached and the associated data
59	 */
60	. = ALIGN(PAGE_SIZE);
61	.uncached : AT(ADDR(.uncached) - LOAD_OFFSET) {
62		__uncached_start = .;
63		*(.uncached.text)
64		*(.uncached.data)
65		__uncached_end = .;
66	}
67
68	RW_DATA_SECTION(L1_CACHE_BYTES, PAGE_SIZE, THREAD_SIZE)
69
70	_edata = .;			/* End of data section */
71
72	DWARF_EH_FRAME
73
74	. = ALIGN(PAGE_SIZE);		/* Init code and data */
75	__init_begin = .;
76	INIT_TEXT_SECTION(PAGE_SIZE)
77	INIT_DATA_SECTION(16)
78
79	. = ALIGN(4);
80	.machvec.init : AT(ADDR(.machvec.init) - LOAD_OFFSET) {
81		__machvec_start = .;
82		*(.machvec.init)
83		__machvec_end = .;
84	}
85
86	PERCPU(PAGE_SIZE)
87
88	/*
89	 * .exit.text is discarded at runtime, not link time, to deal with
90	 * references from __bug_table
91	 */
92	.exit.text : AT(ADDR(.exit.text) - LOAD_OFFSET) { EXIT_TEXT }
93	.exit.data : AT(ADDR(.exit.data) - LOAD_OFFSET) { EXIT_DATA }
94
95	. = ALIGN(PAGE_SIZE);
96	__init_end = .;
97	BSS_SECTION(0, PAGE_SIZE, 4)
98	_ebss = .;			/* uClinux MTD sucks */
99	_end = . ;
100
101	STABS_DEBUG
102	DWARF_DEBUG
103
104	DISCARDS
105}
106