blob: 29e387f284d756fba94f4a89d23133c7e5437362 [file] [log] [blame]
Austin Schuh41baf202022-01-01 14:33:40 -08001/*
2*****************************************************************************
3**
4
5** File : LinkerScript.ld
6**
7** Abstract : Linker script for STM32F207IGHx Device with
8** 1024KByte FLASH, 128KByte RAM
9**
10** Set heap size, stack size and stack location according
11** to application requirements.
12**
13** Set memory bank area and size if external memory is used.
14**
15** Target : STMicroelectronics STM32
16**
17**
18** Distribution: The file is distributed as is, without any warranty
19** of any kind.
20**
21** (c)Copyright Ac6.
22** You may use this file as-is or modify it according to the needs of your
23** project. Distribution of this file (unmodified or modified) is not
24** permitted. Ac6 permit registered System Workbench for MCU users the
25** rights to distribute the assembled, compiled & linked contents of this
26** file as part of an application binary file, provided that it is built
27** using the System Workbench for MCU toolchain.
28**
29*****************************************************************************
30*/
31
32/* Entry Point */
33ENTRY(Reset_Handler)
34
35/* Highest address of the user mode stack */
36_estack = 0x20020000; /* end of RAM */
37/* Generate a link error if heap and stack don't fit into RAM */
38_Min_Heap_Size = 0x200; /* required amount of heap */
39_Min_Stack_Size = 0x400; /* required amount of stack */
40
41/* Specify the memory areas */
42MEMORY
43{
44FLASH (rx) : ORIGIN = 0x08000000, LENGTH = 1024K
45RAM (xrw) : ORIGIN = 0x20000000, LENGTH = 128K
46}
47
48/* Define output sections */
49SECTIONS
50{
51 /* The startup code goes first into FLASH */
52 .isr_vector :
53 {
54 . = ALIGN(4);
55 KEEP(*(.isr_vector)) /* Startup code */
56 . = ALIGN(4);
57 } >FLASH
58
59 /* The program code and other data goes into FLASH */
60 .text :
61 {
62 . = ALIGN(4);
63 *(.text) /* .text sections (code) */
64 *(.text*) /* .text* sections (code) */
65 *(.glue_7) /* glue arm to thumb code */
66 *(.glue_7t) /* glue thumb to arm code */
67 *(.eh_frame)
68
69 KEEP (*(.init))
70 KEEP (*(.fini))
71
72 . = ALIGN(4);
73 _etext = .; /* define a global symbols at end of code */
74 } >FLASH
75
76 /* Constant data goes into FLASH */
77 .rodata :
78 {
79 . = ALIGN(4);
80 *(.rodata) /* .rodata sections (constants, strings, etc.) */
81 *(.rodata*) /* .rodata* sections (constants, strings, etc.) */
82 . = ALIGN(4);
83 } >FLASH
84
85 .ARM.extab : { *(.ARM.extab* .gnu.linkonce.armextab.*) } >FLASH
86 .ARM : {
87 __exidx_start = .;
88 *(.ARM.exidx*)
89 __exidx_end = .;
90 } >FLASH
91
92 .preinit_array :
93 {
94 PROVIDE_HIDDEN (__preinit_array_start = .);
95 KEEP (*(.preinit_array*))
96 PROVIDE_HIDDEN (__preinit_array_end = .);
97 } >FLASH
98 .init_array :
99 {
100 PROVIDE_HIDDEN (__init_array_start = .);
101 KEEP (*(SORT(.init_array.*)))
102 KEEP (*(.init_array*))
103 PROVIDE_HIDDEN (__init_array_end = .);
104 } >FLASH
105 .fini_array :
106 {
107 PROVIDE_HIDDEN (__fini_array_start = .);
108 KEEP (*(SORT(.fini_array.*)))
109 KEEP (*(.fini_array*))
110 PROVIDE_HIDDEN (__fini_array_end = .);
111 } >FLASH
112
113 /* used by the startup to initialize data */
114 _sidata = LOADADDR(.data);
115
116 /* Initialized data sections goes into RAM, load LMA copy after code */
117 .data :
118 {
119 . = ALIGN(4);
120 _sdata = .; /* create a global symbol at data start */
121 *(.data) /* .data sections */
122 *(.data*) /* .data* sections */
123
124 . = ALIGN(4);
125 _edata = .; /* define a global symbol at data end */
126 } >RAM AT> FLASH
127
128
129 /* Uninitialized data section */
130 . = ALIGN(4);
131 .bss :
132 {
133 /* This is used by the startup in order to initialize the .bss secion */
134 _sbss = .; /* define a global symbol at bss start */
135 __bss_start__ = _sbss;
136 *(.bss)
137 *(.bss*)
138 *(COMMON)
139
140 . = ALIGN(4);
141 _ebss = .; /* define a global symbol at bss end */
142 __bss_end__ = _ebss;
143 } >RAM
144
145 /* User_heap_stack section, used to check that there is enough RAM left */
146 ._user_heap_stack :
147 {
148 . = ALIGN(8);
149 PROVIDE ( end = . );
150 PROVIDE ( _end = . );
151 . = . + _Min_Heap_Size;
152 . = . + _Min_Stack_Size;
153 . = ALIGN(8);
154 } >RAM
155
156
157
158 /* Remove information from the standard libraries */
159 /DISCARD/ :
160 {
161 libc.a ( * )
162 libm.a ( * )
163 libgcc.a ( * )
164 }
165
166 .ARM.attributes 0 : { *(.ARM.attributes) }
167}
168
169