-
Notifications
You must be signed in to change notification settings - Fork 3
/
linker.ld
172 lines (162 loc) · 5.13 KB
/
linker.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
ENTRY(Reset_Handler)
MEMORY {
/*Adust LENGTH to RAMsize of target MCU:*/
/*STM32F103RBT --> 20K*/
/*RAM (RWX) : ORIGIN = 0x20000000 , LENGTH = 20K*/
/*STM32F103RET --> 64K*/
/*STM32F103ZET --> 64K*/
RAM (RWX) : ORIGIN = 0x20000000 , LENGTH = 64K
/*EXTSRAM (RWX) : ORIGIN = 0x68000000 , LENGTH = 0*/
/*Adust LENGTH to (FLASHsize - FeePROMsize) of target MCU:*/
/*STM32F103RBT --> 126K*/
/*FLASH (RX) : ORIGIN = 0x08000000 , LENGTH = 126K*/
/*STM32F103RET --> 508K*/
/*FLASH (RX) : ORIGIN = 0x08000000 , LENGTH = 508K*/
/*STM32F103RCT --> 508K*/
FLASH (RWX) : ORIGIN = 0x08000000 , LENGTH = 508K
/*STM32F103ZET --> 508K*/
/*FLASH (RX) : ORIGIN = 0x08000000 , LENGTH = 508K*/
/*Adust ORIGIN to (0x08000000 + (FLASHsize-FeePROMsize)) of target MCU*/
/*and adust LENGTH to FeePROMsize allocated:*/
/*STM32F103RBT --> 0x08000000+126K, 2K*/
/*EEMUL (RWX) : ORIGIN = 0x08000000+126K, LENGTH = 2K*/
/*STM32F103RET --> 0x08000000+508K, 4K*/
/*EEMUL (RWX) : ORIGIN = 0x08000000+508K, LENGTH = 4K*/
/*STM32F103RCT --> 0x08000000+508K, 4K*/
/*EEMUL (RWX) : ORIGIN = 0x08000000+508K, LENGTH = 4K*/
}
_estack = ORIGIN(RAM)+LENGTH(RAM); /* end of the stack */
_seemul = ORIGIN(EEMUL); /* start of the eeprom emulation area */
_min_stack = 0x400; /* minimum stack space to reserve for the user app */
/* check valid alignment for the vector table */
ASSERT(ORIGIN(FLASH) == ALIGN(ORIGIN(FLASH), 0x80), "Start of memory region flash not aligned for startup vector table");
SECTIONS {
/* vector table and program code goes into FLASH */
.text : {
. = ALIGN(0x80);
_isr_vectors_offs = . - 0x08000000;
KEEP(*(.isr_vectors))
. = ALIGN(4);
CREATE_OBJECT_SYMBOLS
*(.text .text.*)
} >FLASH
.rodata : ALIGN (4) {
*(.rodata .rodata.*)
. = ALIGN(4);
KEEP(*(.init))
. = ALIGN(4);
__preinit_array_start = .;
KEEP (*(.preinit_array))
__preinit_array_end = .;
. = ALIGN(4);
__init_array_start = .;
KEEP (*(SORT(.init_array.*)))
KEEP (*(.init_array))
__init_array_end = .;
. = ALIGN(4);
KEEP(*(.fini))
. = ALIGN(4);
__fini_array_start = .;
KEEP (*(.fini_array))
KEEP (*(SORT(.fini_array.*)))
__fini_array_end = .;
*(.init .init.*)
*(.fini .fini.*)
PROVIDE_HIDDEN (__preinit_array_start = .);
KEEP (*(.preinit_array))
PROVIDE_HIDDEN (__preinit_array_end = .);
PROVIDE_HIDDEN (__init_array_start = .);
KEEP (*(SORT(.init_array.*)))
KEEP (*(.init_array))
PROVIDE_HIDDEN (__init_array_end = .);
PROVIDE_HIDDEN (__fini_array_start = .);
KEEP (*(.fini_array))
KEEP (*(SORT(.fini_array.*)))
PROVIDE_HIDDEN (__fini_array_end = .);
. = ALIGN (8);
*(.rom)
*(.rom.b)
_etext = .;
_sidata = _etext; /* exported for the startup function */
} >FLASH
/*
this data is expected by the program to be in ram
but we have to store it in the FLASH otherwise it
will get lost between resets, so the startup code
has to copy it into RAM before the program starts
*/
.data : ALIGN (8) {
_sdata = . ; /* exported for the startup function */
. = ALIGN(4);
KEEP(*(.jcr))
*(.got.plt) *(.got)
*(.shdata)
*(.data .data.*)
. = ALIGN (8);
*(.ram)
*(.ramfunc*)
. = ALIGN(4);
_edata = . ; /* exported for the startup function */
} >RAM AT>FLASH
/* This is the uninitialized data section */
.bss (NOLOAD): {
. = ALIGN(4);
_sbss = . ; /* exported for the startup function */
*(.shbss)
*(.bss .bss.*)
*(COMMON)
. = ALIGN (8);
*(.ram.b)
. = ALIGN(4);
_ebss = . ; /* exported for the startup function */
_end = .;
__end = .;
} >RAM AT>FLASH
/* ensure there is enough room for the user stack */
._usrstack (NOLOAD): {
. = ALIGN(4);
_susrstack = . ;
. = . + _min_stack ;
. = ALIGN(4);
_eusrstack = . ;
} >RAM
/* 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_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) }
.ARM.attributes 0 : { KEEP (*(.ARM.attributes)) KEEP (*(.gnu.attributes)) }
.note.gnu.arm.ident 0 : { KEEP (*(.note.gnu.arm.ident)) }
/DISCARD/ : { *(.note.GNU-stack) *(.gnu_debuglink) }
}