forked from open-power/skiboot
-
Notifications
You must be signed in to change notification settings - Fork 0
/
skiboot.lds.S
233 lines (202 loc) · 4.66 KB
/
skiboot.lds.S
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
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
// SPDX-License-Identifier: Apache-2.0
/*
* Copyright 2013-2019 IBM Corp.
*/
#include <config.h>
#include <mem-map.h>
/* Debug sections from binutils `ld --verbose` */
#define DEBUG_SECTIONS \
/* Stabs debugging sections. */ \
.stab 0 : { *(.stab) } \
.stabstr 0 : { *(.stabstr) } \
.stab.excl 0 : { *(.stab.excl) } \
.stab.exclstr 0 : { *(.stab.exclstr) } \
.stab.index 0 : { *(.stab.index) } \
.stab.indexstr 0 : { *(.stab.indexstr) } \
.comment 0 : { *(.comment) } \
/* DWARF debug sections. \
Symbols in the DWARF debugging sections are relative to the beginning \
of the section so we begin them at 0. */ \
/* DWARF 1 */ \
.debug 0 : { *(.debug) } \
.line 0 : { *(.line) } \
/* GNU DWARF 1 extensions */ \
.debug_srcinfo 0 : { *(.debug_srcinfo) } \
.debug_sfnames 0 : { *(.debug_sfnames) } \
/* DWARF 1.1 and DWARF 2 */ \
.debug_aranges 0 : { *(.debug_aranges) } \
.debug_pubnames 0 : { *(.debug_pubnames) } \
/* DWARF 2 */ \
.debug_info 0 : { *(.debug_info .gnu.linkonce.wi.*) } \
.debug_abbrev 0 : { *(.debug_abbrev) } \
.debug_line 0 : { *(.debug_line .debug_line.* .debug_line_end ) } \
.debug_frame 0 : { *(.debug_frame) } \
.debug_str 0 : { *(.debug_str) } \
.debug_loc 0 : { *(.debug_loc) } \
.debug_macinfo 0 : { *(.debug_macinfo) } \
/* SGI/MIPS DWARF 2 extensions */ \
.debug_weaknames 0 : { *(.debug_weaknames) } \
.debug_funcnames 0 : { *(.debug_funcnames) } \
.debug_typenames 0 : { *(.debug_typenames) } \
.debug_varnames 0 : { *(.debug_varnames) } \
/* DWARF 3 */ \
.debug_pubtypes 0 : { *(.debug_pubtypes) } \
.debug_ranges 0 : { *(.debug_ranges) } \
/* DWARF Extension. */ \
.debug_macro 0 : { *(.debug_macro) } \
.debug_addr 0 : { *(.debug_addr) }
ENTRY(boot_entry);
SECTIONS
{
_start = .;
. = 0;
.head : {
KEEP(*(.head))
}
. = SPIRA_OFF;
.spira : {
KEEP(*(.spira.data))
}
. = SPIRAH_OFF;
.spirah : {
KEEP(*(.spirah.data))
}
. = PROC_DUMP_AREA_OFF;
.procdump : {
KEEP(*(.procdump.data))
}
. = PROCIN_OFF;
.procin.data : {
KEEP(*(.procin.data))
}
. = MDST_TABLE_OFF;
.mdst : {
KEEP(*(.mdst.data))
}
. = MDDT_TABLE_OFF;
.mddt : {
KEEP(*(.mddt.data))
}
. = CPU_CTL_OFF;
.cpuctrl : {
KEEP(*(.cpuctrl.data))
}
. = ALIGN(0x10);
_stext = .;
.text : {
*(.text*)
*(.sfpr .glink)
}
_etext = .;
.rodata : {
__rodata_start = .;
*(.rodata .rodata.*)
__rodata_end = .;
}
. = ALIGN(0x10);
.init : {
__ctors_start = .;
KEEP(*(.ctors*))
KEEP(*(SORT(.init_array.*)))
KEEP(*(.init_array))
__ctors_end = .;
}
. = ALIGN(0x10);
.opd : {
*(.opd)
}
. = ALIGN(0x100);
.got : {
__toc_start = . + 0x8000;
*(.got)
*(.toc)
}
. = ALIGN(0x10);
.opal_table : {
__opal_table_start = .;
KEEP(*(.opal_table))
__opal_table_end = .;
}
.platforms : {
__platforms_start = .;
KEEP(*(.platforms))
__platforms_end = .;
}
/* Do I need to keep these ? */
.dynsym : { *(.dynsym) }
.dynstr : { *(.dynstr) }
/* Relocations */
. = ALIGN(0x10);
.dynamic : {
__dynamic_start = .;
*(.dynamic)
__dynamic_end = .;
}
. = ALIGN(0x10);
.rela.dyn : {
__rela_dyn_start = .;
*(.rela*)
__rela_dyn_end = .;
}
.plt : { *(.plt) *(.iplt) }
.hash : { *(.hash) }
.gnu.hash : { *(.gnu.hash) }
.dynsym : { *(.dynsym) }
.dynstr : { *(.dynstr) }
.gnu.version : { *(.gnu.version) }
.gnu.version_d : { *(.gnu.version_d) }
.gnu.version_r : { *(.gnu.version_r) }
. = ALIGN(0x10);
.sym_map : {
__sym_map_start = . ;
KEEP(*(.sym_map))
__sym_map_end = . ;
}
/*
* Memory above this point should be un-changing after the OS
* boots, and is verified with a checksum upon fast reboot.
*/
_romem_end = .;
.data : {
/*
* A couple of things that need to be 4K aligned and
* to reside in their own pages for the sake of TCE
* mappings
*/
. = ALIGN(0x1000);
*(.data.memcons);
. = ALIGN(0x10000);
*(.data.boot_trace);
. = ALIGN(0x10000);
*(.data*)
*(.force.data)
*(.toc1)
*(.branch_lt)
}
/* We locate the BSS at 4M to leave room for the symbol map */
. = 0x400000;
_sbss = .;
.bss : {
*(.dynbss)
*(.bss*)
}
. = ALIGN(0x10000);
_ebss = .;
_end = .;
DEBUG_SECTIONS
/* Optional kernel image */
. = ALIGN(0x10000);
.builtin_kernel : {
__builtin_kernel_start = .;
KEEP(*(.builtin_kernel))
__builtin_kernel_end = .;
}
/* Discards */
/DISCARD/ : {
*(.note.GNU-stack)
*(.comment)
*(.eh_frame)
*(.interp)
*(.fini_array.*)
}
}