-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy pathgba_cart.ld
226 lines (197 loc) · 6.07 KB
/
gba_cart.ld
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
/* You can use the following to view section */
/* addresses in your .elf file: */
/* objdump -h file.elf */
/* Please note that empty sections may incorrectly*/
/* list the lma address as the vma address for */
/* some versions of objdump. */
OUTPUT_FORMAT("elf32-littlearm", "elf32-bigarm", "elf32-littlearm")
OUTPUT_ARCH(arm)
ENTRY(_start)
/* SEARCH_DIR(/bin/arm); */
/* The linker script function "var1 += var2;" sometimes */
/* reports incorrect values in the *.map file but the */
/* actual value it calculates is usually, if not always, */
/* correct. If you leave out the ". = ALIGN(4);" at the */
/* end of each section then the return value of SIZEOF() */
/* is sometimes incorrect and "var1 += var2;" appears to */
/* not work as well. "var1 += var2" style functions are */
/* avoided below as a result. */
MEMORY {
rom (rx) : ORIGIN = 0x08000000, LENGTH = 32M
iwram (rwx) : ORIGIN = 0x03000000, LENGTH = 32K
ewram (rwx) : ORIGIN = 0x02000000, LENGTH = 256K
}
__text_start = ORIGIN(rom);
__eheap_end = ORIGIN(ewram) + LENGTH(ewram);
__iwram_start = ORIGIN(iwram);
__iwram_top = ORIGIN(iwram) + LENGTH(iwram);;
__sp_irq = __iwram_top - 0x060;
__sp_usr = __sp_irq - 0x0a0;
__irq_flags = 0x03007ff8;
SECTIONS
{
. = __text_start;
.crt0 :
{
KEEP (*(.crt0))
. = ALIGN(4);
} >rom =0xff
.init :
{
KEEP (*(SORT_NONE(.init)))
} >rom
.plt :
{
*(.plt)
. = ALIGN(4); /* REQUIRED. LD is flaky without it. */
} >rom
.text : /* ALIGN (4): */
{
*(EXCLUDE_FILE (*.iwram*) .text*)
*(.gnu.linkonce.t.*)
KEEP (*(.text.*personality*))
/* .gnu.warning sections are handled specially by elf32.em. */
*(.gnu.warning)
*(.glue_7t) *(.glue_7) *(.vfp11_veneer)
. = ALIGN(4); /* REQUIRED. LD is flaky without it. */
} >rom = 0xff
__text_end = .;
.fini :
{
KEEP (*(.fini))
. = ALIGN(4); /* REQUIRED. LD is flaky without it. */
} >rom =0
.rodata :
{
*(.rodata)
*all.rodata*(*)
*(.roda)
*(.rodata.*)
*(.gnu.linkonce.r*)
SORT(CONSTRUCTORS)
. = ALIGN(4); /* REQUIRED. LD is flaky without it. */
} >rom = 0xff
.ARM.extab : { *(.ARM.extab* .gnu.linkonce.armextab.*) } >rom
__exidx_start = .;
.ARM.exidx : { *(.ARM.exidx* .gnu.linkonce.armexidx.*) } >rom
__exidx_end = .;
.eh_frame :
{
KEEP (*(.eh_frame))
. = ALIGN(4); /* REQUIRED. LD is flaky without it. */
} >rom = 0
.gcc_except_table :
{
*(.gcc_except_table)
. = ALIGN(4); /* REQUIRED. LD is flaky without it. */
} >rom = 0
__iwram_lma = .;
.iwram __iwram_start : AT (__iwram_lma)
{
__iwram_start__ = ABSOLUTE(.) ;
*(.iwram .iwram*)
*iwram.*(.text* .data*)
. = ALIGN(4); /* REQUIRED. LD is flaky without it. */
__iwram_end__ = ABSOLUTE(.) ;
} >iwram = 0xff
__jcr_lma = __iwram_lma + SIZEOF(.iwram);
.jcr ALIGN(4) : AT (__jcr_lma) { KEEP (*(.jcr)) } >iwram
__iwram_overlay_lma = __jcr_lma + SIZEOF(.jcr);
__iwram_overlay_start = . ;
OVERLAY ALIGN(4) : NOCROSSREFS AT (__iwram_overlay_lma)
{
.iwram0 { *(.iwram0) . = ALIGN(4);}
.iwram1 { *(.iwram1) . = ALIGN(4);}
.iwram2 { *(.iwram2) . = ALIGN(4);}
.iwram3 { *(.iwram3) . = ALIGN(4);}
.iwram4 { *(.iwram4) . = ALIGN(4);}
.iwram5 { *(.iwram5) . = ALIGN(4);}
.iwram6 { *(.iwram6) . = ALIGN(4);}
.iwram7 { *(.iwram7) . = ALIGN(4);}
.iwram8 { *(.iwram8) . = ALIGN(4);}
.iwram9 { *(.iwram9) . = ALIGN(4);}
}>iwram = 0xff
__iwram_overlay_end = . ;
__ewram_lma = __iwram_overlay_lma + (__iwram_overlay_end - __iwram_overlay_start) ;
__iheap_start = . ;
__ewram_start = ORIGIN(ewram);
.ewram __ewram_start : AT (__ewram_lma)
{
*(.ewram*)
__data_start__ = ABSOLUTE(.);
__data_lma = ABSOLUTE(.);
*(.data*)
*(.gnu.linkonce.d*)
CONSTRUCTORS
__data_end__ = ABSOLUTE(.);
. = ALIGN(4); /* REQUIRED. LD is flaky without it. */
__ewram_end = ABSOLUTE(.);
}>ewram = 0xff
__pad_lma = __ewram_lma + SIZEOF(.ewram);
.bss ALIGN(4) (NOLOAD) :
{
__bss_start = ABSOLUTE(.);
__bss_start__ = ABSOLUTE(.);
*(.dynbss)
*(.gnu.linkonce.b*)
*(.bss*)
*(COMMON)
. = ALIGN(4); /* REQUIRED. LD is flaky without it. */
__bss_end__ = ABSOLUTE(.);
} AT>ewram
.sbss ALIGN(4)(NOLOAD):
{
__sbss_start__ = ABSOLUTE(.);
*(.sbss*)
. = ALIGN(4);
__sbss_end__ = ABSOLUTE(.);
__end__ = ABSOLUTE(.);
__eheap_start = ABSOLUTE(.);
} AT>ewram
/* EZF Advance strips trailing 0xff bytes, add a pad section so nothing important is removed */
.pad ALIGN(4) : AT (__pad_lma)
{
LONG(0x52416b64)
LONG(0x4d)
. = ALIGN(4); /* REQUIRED. LD is flaky without it. */
} = 0xff
__rom_end__ = __pad_lma + SIZEOF(.pad);
/* 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) }
.debug_abbrev 0 : { *(.debug_abbrev) }
.debug_line 0 : { *(.debug_line) }
.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) }
.stack 0x80000 : { _stack = .; *(.stack) }
/* These must appear regardless of . */
.note.gnu.arm.ident 0 : { KEEP (*(.note.gnu.arm.ident)) }
.ARM.attributes 0 : { KEEP (*(.ARM.attributes)) }
/DISCARD/ : { *(.note.GNU-stack) }
}