Subversion Repositories DashDisplay

Rev

Rev 16 | Details | Compare with Previous | Last modification | View Log | RSS feed

Rev Author Line No. Line
2 mjames 1 
/*
2 
*****************************************************************************
3 
**
4 
**  File        : stm32_flash.ld
5 
**
6 
**  Abstract    : Linker script for STM32F103CB Device with
7 
**                128KByte FLASH, 20KByte 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. This file may only be built (assembled or compiled and linked)
24 
**  using the Atollic TrueSTUDIO(R) product. The use of this file together
25 
**  with other tools than Atollic TrueSTUDIO(R) is not permitted.
26 
**
27 
*****************************************************************************
28 
*/
29 
 
30 
/* Entry Point */
31 
ENTRY(Reset_Handler)
32 
 
33 
/* Highest address of the user mode stack */
34 
_estack = 0x20005000;    /* end of RAM */
35 
 
36 
/* Generate a link error if heap and stack don't fit into RAM */
37 
_Min_Heap_Size = 0x400;      /* required amount of heap  */
38 
_Min_Stack_Size = 0x400; /* required amount of stack */
39 
 
40 
/* Specify the memory areas */
41 
MEMORY
42 
{
43 
FLASH (rx)      : ORIGIN = 0x8000000, LENGTH = 128K
44 
RAM (xrw)      : ORIGIN = 0x20000000, LENGTH = 20K
45 
}
46 
 
47 
/* Define output sections */
48 
SECTIONS
49 
{
50 
  /* The startup code goes first into FLASH */
51 
  .isr_vector :
52 
  {
53 
    . = ALIGN(4);
54 
    KEEP(*(.isr_vector)) /* Startup code */
55 
    . = ALIGN(4);
56 
  } >FLASH
57 
 
58 
  /* The program code and other data goes into FLASH */
59 
  .text :
60 
  {
61 
    . = ALIGN(4);
62 
    *(.text)           /* .text sections (code) */
63 
    *(.text*)          /* .text* sections (code) */
64 
    *(.glue_7)         /* glue arm to thumb code */
65 
    *(.glue_7t)        /* glue thumb to arm code */
66 
    *(.eh_frame)
67 
 
68 
    KEEP (*(.init))
69 
    KEEP (*(.fini))
70 
 
71 
    . = ALIGN(4);
72 
    _etext = .;        /* define a global symbols at end of code */
73 
  } >FLASH
74 
 
75 
  /* Constant data goes into FLASH */
76 
  .rodata :
77 
  {
78 
    . = ALIGN(4);
79 
    *(.rodata)         /* .rodata sections (constants, strings, etc.) */
80 
    *(.rodata*)        /* .rodata* sections (constants, strings, etc.) */
81 
    . = ALIGN(4);
82 
  } >FLASH
83 
 
84 
  .ARM.extab   : { *(.ARM.extab* .gnu.linkonce.armextab.*) } >FLASH
85 
  .ARM : {
86 
    __exidx_start = .;
87 
    *(.ARM.exidx*)
88 
    __exidx_end = .;
89 
  } >FLASH
90 
 
91 
  .preinit_array     :
92 
  {
93 
    PROVIDE_HIDDEN (__preinit_array_start = .);
94 
    KEEP (*(.preinit_array*))
95 
    PROVIDE_HIDDEN (__preinit_array_end = .);
96 
  } >FLASH
97 
  .init_array :
98 
  {
99 
    PROVIDE_HIDDEN (__init_array_start = .);
100 
    KEEP (*(SORT(.init_array.*)))
101 
    KEEP (*(.init_array*))
102 
    PROVIDE_HIDDEN (__init_array_end = .);
103 
  } >FLASH
104 
  .fini_array :
105 
  {
106 
    PROVIDE_HIDDEN (__fini_array_start = .);
107 
    KEEP (*(SORT(.fini_array.*)))
108 
    KEEP (*(.fini_array*))
109 
    PROVIDE_HIDDEN (__fini_array_end = .);
110 
  } >FLASH
111 
 
112 
  /* used by the startup to initialize data */
113 
  _sidata = LOADADDR(.data);
114 
 
115 
  /* Initialized data sections goes into RAM, load LMA copy after code */
116 
  .data :
117 
  {
118 
    . = ALIGN(4);
119 
    _sdata = .;        /* create a global symbol at data start */
120 
    *(.data)           /* .data sections */
121 
    *(.data*)          /* .data* sections */
122 
 
123 
    . = ALIGN(4);
124 
    _edata = .;        /* define a global symbol at data end */
125 
  } >RAM AT> FLASH
126 
 
16 mjames 127 
 
128 
 
129 
 /* NVRAM image section : nothing gets stored here but the addresses are set up */
130 
   .eeprom_data (NOLOAD) :
131 
   {
132 
   . = ALIGN(1024) ;
133 
    KEEP ( *(.EEPROM_Data)) /* any __attribute__((section(".EEPROM_Data"))) section info to be put in here  */
134 
   } >FLASH
135 
 
136 
 
137 
 
138 
 
139 
 
140 
 
141 
 
2 mjames 142 
 
143 
  /* Uninitialized data section */
144 
  . = ALIGN(4);
145 
  .bss :
146 
  {
147 
    /* This is used by the startup in order to initialize the .bss secion */
148 
    _sbss = .;         /* define a global symbol at bss start */
149 
    __bss_start__ = _sbss;
150 
    *(.bss)
151 
    *(.bss*)
152 
    *(COMMON)
153 
 
154 
    . = ALIGN(4);
155 
    _ebss = .;         /* define a global symbol at bss end */
156 
    __bss_end__ = _ebss;
157 
  } >RAM
158 
 
159 
  /* User_heap_stack section, used to check that there is enough RAM left */
160 
  ._user_heap_stack :
161 
  {
162 
    . = ALIGN(4);
163 
    PROVIDE ( end = . );
164 
    PROVIDE ( _end = . );
165 
    . = . + _Min_Heap_Size;
166 
    . = . + _Min_Stack_Size;
167 
    . = ALIGN(4);
168 
  } >RAM
169 
 
170 
 
171 
 
172 
  /* Remove information from the standard libraries */
173 
  /DISCARD/ :
174 
  {
175 
    libc.a ( * )
176 
    libm.a ( * )
177 
    libgcc.a ( * )
178 
  }
179 
 
180 
  .ARM.attributes 0 : { *(.ARM.attributes) }
16 mjames 181 
 
182 
 
183 
 
184 
 
185 
 
186 
 
2 mjames 187 
}