1/*
2*****************************************************************************
3**
4**  File        : AIR32F103XB_FLASH.ld
5**
6**  Abstract    : Linker script for AIR32F103xB Device with
7**                128KByte FLASH, 96KByte 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      : AIR32
15**
16**
17**  Distribution: The file is distributed as is, without any warranty
18**                of any kind.
19**
20**  (c)Copyright Ac6.
21**  You may use this file as-is or modify it according to the needs of your
22**  project. Distribution of this file (unmodified or modified) is not
23**  permitted. Ac6 permit registered System Workbench for MCU users the
24**  rights to distribute the assembled, compiled & linked contents of this
25**  file as part of an application binary file, provided that it is built
26**  using the System Workbench for MCU toolchain.
27**
28*****************************************************************************
29*/
30
31/* Entry Point */
32ENTRY(Reset_Handler)
33
34/* Highest address of the user mode stack */
35_estack = 0x20004FFF;    /* end of RAM */
36
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 = 128K
45RAM (xrw)       : ORIGIN = 0x20000000, LENGTH = 96K
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