Rev Author Line No. Line
2067 kakl 1 /*
2 *****************************************************************************
3 **
4 ** File : stm32_flash.ld
5 **
6 ** Abstract : Linker script for STM32F100VB Device with
7 ** 128KByte FLASH, 8KByte RAM
8 **
9 ** Set heap size, stack size and stack location according
10 ** to application requirements.
11 **
12 ** Set memory bank area and size if external memory is used.
13 **
14 ** Target : STMicroelectronics STM32
15 **
16 ** Environment : Atollic TrueSTUDIO(R)
17 **
18 ** Distribution: The file is distributed “as is,” without any warranty
19 ** of any kind.
20 **
21 ** (c)Copyright Atollic AB.
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. Atollic AB permit registered Atollic TrueSTUDIO(R) 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 Atollic TrueSTUDIO(R) toolchain.
28 **
29 *****************************************************************************
30 */
31  
32 /* Entry Point */
33 ENTRY(Reset_Handler)
34  
35 /* Highest address of the user mode stack */
36 _estack = 0x20002000; /* end of 8K RAM */
37  
38 /* Generate a link error if heap and stack don't fit into RAM */
39 _Min_Heap_Size = 0; /* required amount of heap */
40 _Min_Stack_Size = 0x800; /* required amount of stack */
41  
42 /* Specify the memory areas */
43 MEMORY
44 {
45 FLASH (rx) : ORIGIN = 0x08000000, LENGTH = 128K
46 RAM (xrw) : ORIGIN = 0x20000000, LENGTH = 8K
47 MEMORY_B1 (rx) : ORIGIN = 0x60000000, LENGTH = 0K
48 }
49  
50 /* Define output sections */
51 SECTIONS
52 {
53 /* The startup code goes first into FLASH */
54 .isr_vector :
55 {
56 . = ALIGN(4);
57 KEEP(*(.isr_vector)) /* Startup code */
58 . = ALIGN(4);
59 } >FLASH
60  
61 /* The program code and other data goes into FLASH */
62 .text :
63 {
64 . = ALIGN(4);
65 *(.text) /* .text sections (code) */
66 *(.text*) /* .text* sections (code) */
67 *(.rodata) /* .rodata sections (constants, strings, etc.) */
68 *(.rodata*) /* .rodata* sections (constants, strings, etc.) */
69 *(.glue_7) /* glue arm to thumb code */
70 *(.glue_7t) /* glue thumb to arm code */
71  
72 KEEP (*(.init))
73 KEEP (*(.fini))
74  
75 . = ALIGN(4);
76 _etext = .; /* define a global symbols at end of code */
77 } >FLASH
78  
79  
80 .ARM.extab : { *(.ARM.extab* .gnu.linkonce.armextab.*) } >FLASH
81 .ARM : {
82 __exidx_start = .;
83 *(.ARM.exidx*)
84 __exidx_end = .;
85 } >FLASH
86  
87 .ARM.attributes 0 : { *(.ARM.attributes) }
88  
89 .preinit_array :
90 {
91 PROVIDE_HIDDEN (__preinit_array_start = .);
92 KEEP (*(.preinit_array*))
93 PROVIDE_HIDDEN (__preinit_array_end = .);
94 } >FLASH
95 .init_array :
96 {
97 PROVIDE_HIDDEN (__init_array_start = .);
98 KEEP (*(SORT(.init_array.*)))
99 KEEP (*(.init_array*))
100 PROVIDE_HIDDEN (__init_array_end = .);
101 } >FLASH
102 .fini_array :
103 {
104 PROVIDE_HIDDEN (__fini_array_start = .);
105 KEEP (*(.fini_array*))
106 KEEP (*(SORT(.fini_array.*)))
107 PROVIDE_HIDDEN (__fini_array_end = .);
108 } >FLASH
109  
110 /* used by the startup to initialize data */
111 _sidata = .;
112  
113 /* Initialized data sections goes into RAM, load LMA copy after code */
114 .data : AT ( _sidata )
115 {
116 . = ALIGN(4);
117 _sdata = .; /* create a global symbol at data start */
118 *(.data) /* .data sections */
119 *(.data*) /* .data* sections */
120  
121 . = ALIGN(4);
122 _edata = .; /* define a global symbol at data end */
123 } >RAM
124  
125 /* Uninitialized data section */
126 . = ALIGN(4);
127 .bss :
128 {
129 /* This is used by the startup in order to initialize the .bss secion */
130 _sbss = .; /* define a global symbol at bss start */
131 __bss_start__ = _sbss;
132 *(.bss)
133 *(.bss*)
134 *(COMMON)
135  
136 . = ALIGN(4);
137 _ebss = .; /* define a global symbol at bss end */
138 __bss_end__ = _ebss;
139 } >RAM
140  
141 PROVIDE ( end = _ebss );
142 PROVIDE ( _end = _ebss );
143  
144 /* User_heap_stack section, used to check that there is enough RAM left */
145 ._user_heap_stack :
146 {
147 . = ALIGN(4);
148 . = . + _Min_Heap_Size;
149 . = . + _Min_Stack_Size;
150 . = ALIGN(4);
151 } >RAM
152  
153 /* MEMORY_bank1 section, code must be located here explicitly */
154 /* Example: extern int foo(void) __attribute__ ((section (".mb1text"))); */
155 .memory_b1_text :
156 {
157 *(.mb1text) /* .mb1text sections (code) */
158 *(.mb1text*) /* .mb1text* sections (code) */
159 *(.mb1rodata) /* read-only data (constants) */
160 *(.mb1rodata*)
161 } >MEMORY_B1
162  
163 /* Remove information from the standard libraries */
164 /DISCARD/ :
165 {
166 libc.a ( * )
167 libm.a ( * )
168 libgcc.a ( * )
169 }
170 }