blob: ecee15342e666bb7a8e5a7f062155dfade148cb1 (
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
141
142
143
144
145
146
147
148
149
150
|
/*
* 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_FORMAT("elf32-microblaze", "elf32-microblaze", "elf32-microblaze")
OUTPUT_ARCH(microblaze)
ENTRY(_start)
#include <asm/page.h>
#include <asm-generic/vmlinux.lds.h>
#include <asm/thread_info.h>
jiffies = jiffies_64 + 4;
SECTIONS {
. = CONFIG_KERNEL_START;
_start = CONFIG_KERNEL_BASE_ADDR;
.text : AT(ADDR(.text) - LOAD_OFFSET) {
_text = . ;
_stext = . ;
*(.text .text.*)
*(.fixup)
EXIT_TEXT
EXIT_CALL
SCHED_TEXT
LOCK_TEXT
KPROBES_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(4096); /* page aligned when MMU used - origin 0x8 */
*(.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 = . ;
/* Reserve some low RAM for r0 based memory references */
. = ALIGN(0x4) ;
r0_ram = . ;
. = . + 4096; /* a page should be enough */
/* 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 ALIGN(4096) : AT(ADDR(.init.ramfs) - LOAD_OFFSET) {
__initramfs_start = .;
*(.init.ramfs)
__initramfs_end = .;
. = ALIGN(4);
LONG(0);
/*
* FIXME this can break initramfs for MMU.
* Pad init.ramfs up to page boundary,
* so that __init_end == __bss_start. This will make image.elf
* consistent with the image.bin
*/
/* . = ALIGN(4096); */
}
__init_end = .;
.bss ALIGN (4096) : AT(ADDR(.bss) - LOAD_OFFSET) {
/* page aligned when MMU used */
__bss_start = . ;
*(.bss*)
*(COMMON)
. = ALIGN (4) ;
__bss_stop = . ;
_ebss = . ;
}
. = ALIGN(4096);
_end = .;
DISCARDS
}
|
