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
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
|
/*
* Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#include <asm-generic/vmlinux.lds.h>
#include <asm/cache.h>
#include <asm/page.h>
#include <asm/thread_info.h>
OUTPUT_ARCH(arc)
ENTRY(res_service)
#ifdef CONFIG_CPU_BIG_ENDIAN
jiffies = jiffies_64 + 4;
#else
jiffies = jiffies_64;
#endif
SECTIONS
{
/*
* ICCM starts at 0x8000_0000. So if kernel is relocated to some other
* address, make sure peripheral at 0x8z doesn't clash with ICCM
* Essentially vector is also in ICCM.
*/
. = CONFIG_LINUX_LINK_BASE;
_int_vec_base_lds = .;
.vector : {
*(.vector)
. = ALIGN(PAGE_SIZE);
}
#ifdef CONFIG_ARC_HAS_ICCM
.text.arcfp : {
*(.text.arcfp)
. = ALIGN(CONFIG_ARC_ICCM_SZ * 1024);
}
#endif
/*
* The reason for having a seperate subsection .init.ramfs is to
* prevent objump from including it in kernel dumps
*
* Reason for having .init.ramfs above .init is to make sure that the
* binary blob is tucked away to one side, reducing the displacement
* between .init.text and .text, avoiding any possible relocation
* errors because of calls from .init.text to .text
* Yes such calls do exist. e.g.
* decompress_inflate.c:gunzip( ) -> zlib_inflate_workspace( )
*/
__init_begin = .;
.init.ramfs : { INIT_RAM_FS }
. = ALIGN(PAGE_SIZE);
_stext = .;
HEAD_TEXT_SECTION
INIT_TEXT_SECTION(L1_CACHE_BYTES)
/* INIT_DATA_SECTION open-coded: special INIT_RAM_FS handling */
.init.data : {
INIT_DATA
INIT_SETUP(L1_CACHE_BYTES)
INIT_CALLS
CON_INITCALL
SECURITY_INITCALL
}
.init.arch.info : {
__arch_info_begin = .;
*(.arch.info.init)
__arch_info_end = .;
}
PERCPU_SECTION(L1_CACHE_BYTES)
/*
* .exit.text is discard at runtime, not link time, to deal with
* references from .debug_frame
* It will be init freed, being inside [__init_start : __init_end]
*/
.exit.text : { EXIT_TEXT }
.exit.data : { EXIT_DATA }
. = ALIGN(PAGE_SIZE);
__init_end = .;
.text : {
_text = .;
TEXT_TEXT
SCHED_TEXT
LOCK_TEXT
KPROBES_TEXT
*(.fixup)
*(.gnu.warning)
}
EXCEPTION_TABLE(L1_CACHE_BYTES)
_etext = .;
_sdata = .;
RO_DATA_SECTION(PAGE_SIZE)
/*
* 1. this is .data essentially
* 2. THREAD_SIZE for init.task, must be kernel-stk sz aligned
*/
RW_DATA_SECTION(L1_CACHE_BYTES, PAGE_SIZE, THREAD_SIZE)
_edata = .;
BSS_SECTION(4, 4, 4)
#ifdef CONFIG_ARC_DW2_UNWIND
. = ALIGN(PAGE_SIZE);
.debug_frame : {
__start_unwind = .;
*(.debug_frame)
__end_unwind = .;
}
/*
* gcc 4.8 generates this for -fasynchonous-unwind-tables,
* while we still use the .debug_frame based unwinder
*/
/DISCARD/ : { *(.eh_frame) }
#else
/DISCARD/ : { *(.debug_frame) }
#endif
NOTES
. = ALIGN(PAGE_SIZE);
_end = . ;
STABS_DEBUG
DISCARDS
.arcextmap 0 : {
*(.gnu.linkonce.arcextmap.*)
*(.arcextmap.*)
}
#ifndef CONFIG_DEBUG_INFO
/* open-coded because we need .debug_frame seperately for unwinding */
/DISCARD/ : { *(.debug_aranges) }
/DISCARD/ : { *(.debug_pubnames) }
/DISCARD/ : { *(.debug_info) }
/DISCARD/ : { *(.debug_abbrev) }
/DISCARD/ : { *(.debug_line) }
/DISCARD/ : { *(.debug_str) }
/DISCARD/ : { *(.debug_loc) }
/DISCARD/ : { *(.debug_macinfo) }
/DISCARD/ : { *(.debug_ranges) }
#endif
#ifdef CONFIG_ARC_HAS_DCCM
. = CONFIG_ARC_DCCM_BASE;
__arc_dccm_base = .;
.data.arcfp : {
*(.data.arcfp)
}
. = ALIGN(CONFIG_ARC_DCCM_SZ * 1024);
#endif
}
|
