2 *****************************************************************************
5 ** File : LinkerScript.ld
7 ** Abstract : Linker script for STM32F746ZGTx Device with
8 ** 1024KByte FLASH, 320KByte RAM
10 ** Set heap size, stack size and stack location according
11 ** to application requirements.
13 ** Set memory bank area and size if external memory is used.
15 ** Target : STMicroelectronics STM32
18 ** Distribution: The file is distributed as is, without any warranty
21 *****************************************************************************
24 ** <h2><center>© COPYRIGHT(c) 2014 Ac6</center></h2>
26 ** Redistribution and use in source and binary forms, with or without modification,
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 documentation
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.
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 ARE
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.
48 *****************************************************************************
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 = 0x400; /* required amount of heap */
58 _Min_Stack_Size = 0x200; /* required amount of stack */
60 /* Specify the memory areas */
63 FLASH (rx) : ORIGIN = 0x00200000, LENGTH = 2048K
64 RAM (xrw) : ORIGIN = 0x20000000, LENGTH = 512K
67 /* Define output sections */
70 /* The startup code goes first into FLASH */
74 KEEP(*(.isr_vector)) /* Startup code */
78 /* The program code and other data goes into FLASH */
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 */
92 _etext = .; /* define a global symbols at end of code */
95 /* Constant data goes into FLASH */
99 *(.rodata) /* .rodata sections (constants, strings, etc.) */
100 *(.rodata*) /* .rodata* sections (constants, strings, etc.) */
104 .ARM.extab : { *(.ARM.extab* .gnu.linkonce.armextab.*) } >FLASH
113 PROVIDE_HIDDEN (__preinit_array_start = .);
114 KEEP (*(.preinit_array*))
115 PROVIDE_HIDDEN (__preinit_array_end = .);
119 PROVIDE_HIDDEN (__init_array_start = .);
120 KEEP (*(SORT(.init_array.*)))
121 KEEP (*(.init_array*))
122 PROVIDE_HIDDEN (__init_array_end = .);
126 PROVIDE_HIDDEN (__fini_array_start = .);
127 KEEP (*(SORT(.fini_array.*)))
128 KEEP (*(.fini_array*))
129 PROVIDE_HIDDEN (__fini_array_end = .);
132 /* used by the startup to initialize data */
133 _sidata = LOADADDR(.data);
135 /* Initialized data sections goes into RAM, load LMA copy after code */
139 _sdata = .; /* create a global symbol at data start */
140 *(.data) /* .data sections */
141 *(.data*) /* .data* sections */
144 _edata = .; /* define a global symbol at data end */
148 /* Uninitialized data section */
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;
160 _ebss = .; /* define a global symbol at bss end */
164 /* User_heap_stack section, used to check that there is enough RAM left */
169 PROVIDE ( _end = . );
170 . = . + _Min_Heap_Size;
171 . = . + _Min_Stack_Size;
177 /* Remove information from the standard libraries */
185 .ARM.attributes 0 : { *(.ARM.attributes) }