summaryrefslogtreecommitdiff
path: root/arch/microblaze/kernel/vmlinux.lds.S
blob: ac0e1a5d478248493ba652d8bc53ae56cf9046fd (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
/*
 * Copyright (C) 2008-2009 Michal Simek <monstr@monstr.eu>
 * Copyright (C) 2008-2009 PetaLogix
 * Copyright (C) 2006 Atmark Techno, Inc.
 *
 * This file is subject to the terms and conditions of the GNU General Public
 * License. See the file "COPYING" in the main directory of this archive
 * for more details.
 */

OUTPUT_ARCH(microblaze)
ENTRY(microblaze_start)

#include <asm/page.h>
#include <asm-generic/vmlinux.lds.h>
#include <asm/thread_info.h>

#ifdef __MICROBLAZEEL__
jiffies = jiffies_64;
#else
jiffies = jiffies_64 + 4;
#endif

SECTIONS {
	. = CONFIG_KERNEL_START;
	microblaze_start = CONFIG_KERNEL_BASE_ADDR;
	.text : AT(ADDR(.text) - LOAD_OFFSET) {
		_text = . ;
		_stext = . ;
		HEAD_TEXT
		TEXT_TEXT
		*(.fixup)
		EXIT_TEXT
		EXIT_CALL
		SCHED_TEXT
		LOCK_TEXT
		KPROBES_TEXT
		IRQENTRY_TEXT
		. = ALIGN (4) ;
		_etext = . ;
	}

	. = ALIGN (4) ;
	__fdt_blob : AT(ADDR(__fdt_blob) - LOAD_OFFSET) {
		_fdt_start = . ;		/* place for fdt blob */
		*(__fdt_blob) ;			/* Any link-placed DTB */
	        . = _fdt_start + 0x4000;	/* Pad up to 16kbyte */
		_fdt_end = . ;
	}

	. = ALIGN(16);
	RODATA
	EXCEPTION_TABLE(16)

	/*
	 * sdata2 section can go anywhere, but must be word aligned
	 * and SDA2_BASE must point to the middle of it
	 */
	.sdata2 : AT(ADDR(.sdata2) - LOAD_OFFSET) {
		_ssrw = .;
		. = ALIGN(PAGE_SIZE); /* page aligned when MMU used */
		*(.sdata2)
	. = ALIGN(8);
	_essrw = .;
	_ssrw_size = _essrw - _ssrw;
	_KERNEL_SDA2_BASE_ = _ssrw + (_ssrw_size / 2);
	}

	_sdata = . ;
	RW_DATA_SECTION(32, PAGE_SIZE, THREAD_SIZE)
	_edata = . ;

	/* Under the microblaze ABI, .sdata and .sbss must be contiguous */
	. = ALIGN(8);
	.sdata : AT(ADDR(.sdata) - LOAD_OFFSET) {
		_ssro = .;
		*(.sdata)
	}

	.sbss :	AT(ADDR(.sbss) - LOAD_OFFSET) {
		_ssbss = .;
		*(.sbss)
		_esbss = .;
		_essro = .;
		_ssro_size = _essro - _ssro ;
		_KERNEL_SDA_BASE_ = _ssro + (_ssro_size / 2) ;
	}

	. = ALIGN(PAGE_SIZE);
	__init_begin = .;

	INIT_TEXT_SECTION(PAGE_SIZE)

	.init.data : AT(ADDR(.init.data) - LOAD_OFFSET) {
		INIT_DATA
	}

	. = ALIGN(4);
	.init.ivt : AT(ADDR(.init.ivt) - LOAD_OFFSET) {
		__ivt_start = .;
		*(.init.ivt)
		__ivt_end = .;
	}

	.init.setup : AT(ADDR(.init.setup) - LOAD_OFFSET) {
		INIT_SETUP(0)
	}

	.initcall.init : AT(ADDR(.initcall.init) - LOAD_OFFSET ) {
		INIT_CALLS
	}

	.con_initcall.init : AT(ADDR(.con_initcall.init) - LOAD_OFFSET) {
		CON_INITCALL
	}

	SECURITY_INIT

	__init_end_before_initramfs = .;

	.init.ramfs : AT(ADDR(.init.ramfs) - LOAD_OFFSET) {
		INIT_RAM_FS
	}

	__init_end = .;

	.bss ALIGN (PAGE_SIZE) : AT(ADDR(.bss) - LOAD_OFFSET) {
		/* page aligned when MMU used */
		__bss_start = . ;
			*(.bss*)
			*(COMMON)
		. = ALIGN (4) ;
		__bss_stop = . ;
		_ebss = . ;
	}
	. = ALIGN(PAGE_SIZE);
	_end = .;

	DISCARDS
}