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comparison l476rg-hal-test/stm32l4_flash.ld @ 0:32a3b1785697

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a rough draft of Hardware Abstraction Layer for C++ STM32L476RG drivers
author cin
date Thu, 12 Jan 2017 02:45:43 +0300
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-1:000000000000 0:32a3b1785697
1 /*
2 *****************************************************************************
3 **
4
5 ** File : stm32_flash.ld
6 **
7 ** Abstract : Linker script for STM32L476RG Device with
8 ** 1024KByte FLASH, 96KByte 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 ** Environment : Atollic TrueSTUDIO(R)
18 **
19 ** Distribution: The file is distributed as is, without any warranty
20 ** of any kind.
21 **
22 ** (c)Copyright Atollic AB.
23 ** You may use this file as-is or modify it according to the needs of your
24 ** project. This file may only be built (assembled or compiled and linked)
25 ** using the Atollic TrueSTUDIO(R) product. The use of this file together
26 ** with other tools than Atollic TrueSTUDIO(R) is not permitted.
27 **
28 *****************************************************************************
29 */
30
31 /* Entry Point */
32 ENTRY(Reset_Handler)
33
34 /* Highest address of the user mode stack */
35 _estack = 0x20018000; /* end of RAM */
36 /* Generate a link error if heap and stack don't fit into RAM */
37 _Min_Heap_Size = 0x200; /* required amount of heap */
38 _Min_Stack_Size = 0x400; /* required amount of stack */
39
40 /* Specify the memory areas */
41 MEMORY
42 {
43 RAM (xrw) : ORIGIN = 0x20000000, LENGTH = 96K
44 RAM2 (xrw) : ORIGIN = 0x10000000, LENGTH = 32K
45 FLASH (rx) : ORIGIN = 0x8000000, LENGTH = 1024K
46 }
47
48 /* Define output sections */
49 SECTIONS
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(4);
149 PROVIDE ( end = . );
150 PROVIDE ( _end = . );
151 . = . + _Min_Heap_Size;
152 . = . + _Min_Stack_Size;
153 . = ALIGN(4);
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