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1 /* | |
2 ***************************************************************************** | |
3 ** | |
4 | |
5 ** File : LinkerScript.ld | |
6 ** | |
7 ** Abstract : Linker script for STM32F746NGHx Device with | |
8 ** 1024KByte FLASH, 320KByte 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 ***************************************************************************** | |
22 ** @attention | |
23 ** | |
24 ** <h2><center>© COPYRIGHT(c) 2014 Ac6</center></h2> | |
25 ** | |
26 ** Redistribution and use in source and binary forms, with or without modificati
on, | |
27 ** are permitted provided that the following conditions are met: | |
28 ** 1. Redistributions of source code must retain the above copyright notice, | |
29 ** this list of conditions and the following disclaimer. | |
30 ** 2. Redistributions in binary form must reproduce the above copyright notice
, | |
31 ** this list of conditions and the following disclaimer in the documentatio
n | |
32 ** and/or other materials provided with the distribution. | |
33 ** 3. Neither the name of Ac6 nor the names of its contributors | |
34 ** may be used to endorse or promote products derived from this software | |
35 ** without specific prior written permission. | |
36 ** | |
37 ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" | |
38 ** AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
39 ** IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE AR
E | |
40 ** DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE | |
41 ** FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
42 ** DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR | |
43 ** SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER | |
44 ** CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, | |
45 ** OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
46 ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
47 ** | |
48 ***************************************************************************** | |
49 */ | |
50 | |
51 /* Entry Point */ | |
52 ENTRY(Reset_Handler) | |
53 | |
54 /* Highest address of the user mode stack */ | |
55 _estack = 0x20050000; /* end of RAM */ | |
56 /* Generate a link error if heap and stack don't fit into RAM */ | |
57 _Min_Heap_Size = 0x200; /* required amount of heap */ | |
58 _Min_Stack_Size = 0x400; /* required amount of stack */ | |
59 | |
60 /* Specify the memory areas */ | |
61 MEMORY | |
62 { | |
63 FLASH (rx) : ORIGIN = 0x08000000, LENGTH = 1024K | |
64 RAM (xrw) : ORIGIN = 0x20000000, LENGTH = 320K | |
65 } | |
66 | |
67 /* Define output sections */ | |
68 SECTIONS | |
69 { | |
70 /* The startup code goes first into FLASH */ | |
71 .isr_vector : | |
72 { | |
73 . = ALIGN(4); | |
74 KEEP(*(.isr_vector)) /* Startup code */ | |
75 . = ALIGN(4); | |
76 } >FLASH | |
77 | |
78 /* The program code and other data goes into FLASH */ | |
79 .text : | |
80 { | |
81 . = ALIGN(4); | |
82 *(.text) /* .text sections (code) */ | |
83 *(.text*) /* .text* sections (code) */ | |
84 *(.glue_7) /* glue arm to thumb code */ | |
85 *(.glue_7t) /* glue thumb to arm code */ | |
86 *(.eh_frame) | |
87 | |
88 KEEP (*(.init)) | |
89 KEEP (*(.fini)) | |
90 | |
91 . = ALIGN(4); | |
92 _etext = .; /* define a global symbols at end of code */ | |
93 } >FLASH | |
94 | |
95 /* Constant data goes into FLASH */ | |
96 .rodata : | |
97 { | |
98 . = ALIGN(4); | |
99 *(.rodata) /* .rodata sections (constants, strings, etc.) */ | |
100 *(.rodata*) /* .rodata* sections (constants, strings, etc.) */ | |
101 . = ALIGN(4); | |
102 } >FLASH | |
103 | |
104 .ARM.extab : { *(.ARM.extab* .gnu.linkonce.armextab.*) } >FLASH | |
105 .ARM : { | |
106 __exidx_start = .; | |
107 *(.ARM.exidx*) | |
108 __exidx_end = .; | |
109 } >FLASH | |
110 | |
111 .preinit_array : | |
112 { | |
113 PROVIDE_HIDDEN (__preinit_array_start = .); | |
114 KEEP (*(.preinit_array*)) | |
115 PROVIDE_HIDDEN (__preinit_array_end = .); | |
116 } >FLASH | |
117 .init_array : | |
118 { | |
119 PROVIDE_HIDDEN (__init_array_start = .); | |
120 KEEP (*(SORT(.init_array.*))) | |
121 KEEP (*(.init_array*)) | |
122 PROVIDE_HIDDEN (__init_array_end = .); | |
123 } >FLASH | |
124 .fini_array : | |
125 { | |
126 PROVIDE_HIDDEN (__fini_array_start = .); | |
127 KEEP (*(SORT(.fini_array.*))) | |
128 KEEP (*(.fini_array*)) | |
129 PROVIDE_HIDDEN (__fini_array_end = .); | |
130 } >FLASH | |
131 | |
132 /* used by the startup to initialize data */ | |
133 _sidata = LOADADDR(.data); | |
134 | |
135 /* Initialized data sections goes into RAM, load LMA copy after code */ | |
136 .data : | |
137 { | |
138 . = ALIGN(4); | |
139 _sdata = .; /* create a global symbol at data start */ | |
140 *(.data) /* .data sections */ | |
141 *(.data*) /* .data* sections */ | |
142 | |
143 . = ALIGN(4); | |
144 _edata = .; /* define a global symbol at data end */ | |
145 } >RAM AT> FLASH | |
146 | |
147 | |
148 /* Uninitialized data section */ | |
149 . = ALIGN(4); | |
150 .bss : | |
151 { | |
152 /* This is used by the startup in order to initialize the .bss secion */ | |
153 _sbss = .; /* define a global symbol at bss start */ | |
154 __bss_start__ = _sbss; | |
155 *(.bss) | |
156 *(.bss*) | |
157 *(COMMON) | |
158 | |
159 . = ALIGN(4); | |
160 _ebss = .; /* define a global symbol at bss end */ | |
161 __bss_end__ = _ebss; | |
162 } >RAM | |
163 | |
164 /* User_heap_stack section, used to check that there is enough RAM left */ | |
165 ._user_heap_stack : | |
166 { | |
167 . = ALIGN(8); | |
168 PROVIDE ( end = . ); | |
169 PROVIDE ( _end = . ); | |
170 . = . + _Min_Heap_Size; | |
171 . = . + _Min_Stack_Size; | |
172 . = ALIGN(8); | |
173 } >RAM | |
174 | |
175 | |
176 | |
177 /* Remove information from the standard libraries */ | |
178 /DISCARD/ : | |
179 { | |
180 libc.a ( * ) | |
181 libm.a ( * ) | |
182 libgcc.a ( * ) | |
183 } | |
184 | |
185 .ARM.attributes 0 : { *(.ARM.attributes) } | |
186 } | |
187 | |
188 | |
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