205 lines
6.0 KiB
Plaintext
205 lines
6.0 KiB
Plaintext
/*
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*****************************************************************************
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**
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** File : LinkerScript.ld
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**
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** Abstract : Linker script for STM32F407ZGTx Device with
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** 1024KByte FLASH, 128KByte RAM
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**
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** Set heap size, stack size and stack location according
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** to application requirements.
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**
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** Set memory bank area and size if external memory is used.
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**
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** Target : STMicroelectronics STM32
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**
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**
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** Distribution: The file is distributed as is, without any warranty
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** of any kind.
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**
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*****************************************************************************
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** @attention
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**
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** <h2><center>© COPYRIGHT(c) 2014 Ac6</center></h2>
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**
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** Redistribution and use in source and binary forms, with or without modification,
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** are permitted provided that the following conditions are met:
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** 1. Redistributions of source code must retain the above copyright notice,
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** this list of conditions and the following disclaimer.
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** 2. Redistributions in binary form must reproduce the above copyright notice,
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** this list of conditions and the following disclaimer in the documentation
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** and/or other materials provided with the distribution.
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** 3. Neither the name of Ac6 nor the names of its contributors
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** may be used to endorse or promote products derived from this software
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** without specific prior written permission.
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**
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** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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** AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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** IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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** DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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** FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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** DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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** SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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** CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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** OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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**
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*****************************************************************************
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*/
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/* Entry Point */
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ENTRY(Reset_Handler)
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/* Highest address of the user mode stack */
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_estack = 0x20020000; /* end of RAM */
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/* Generate a link error if heap and stack don't fit into RAM */
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_Min_Heap_Size = 0x200;; /* required amount of heap */
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_Min_Stack_Size = 0x400;; /* required amount of stack */
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/* Specify the memory areas */
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MEMORY
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{
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FLASH (rx) : ORIGIN = 0x8008000, LENGTH = 1024K
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RAM (xrw) : ORIGIN = 0x20000000, LENGTH = 128K
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CCMRAM (rw) : ORIGIN = 0x10000000, LENGTH = 64K
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}
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/* Define output sections */
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SECTIONS
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{
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/* The startup code goes first into FLASH */
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.isr_vector :
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{
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. = ALIGN(4);
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KEEP(*(.isr_vector)) /* Startup code */
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. = ALIGN(4);
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} >FLASH
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/* The program code and other data goes into FLASH */
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.text ALIGN(4):
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{
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. = ALIGN(4);
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*(.text) /* .text sections (code) */
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*(.text*) /* .text* sections (code) */
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*(.glue_7) /* glue arm to thumb code */
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*(.glue_7t) /* glue thumb to arm code */
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*(.eh_frame)
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KEEP (*(.init))
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KEEP (*(.fini))
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. = ALIGN(4);
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_etext = .; /* define a global symbols at end of code */
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} >FLASH
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/* Constant data goes into FLASH */
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.rodata ALIGN(4):
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{
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. = ALIGN(4);
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*(.rodata) /* .rodata sections (constants, strings, etc.) */
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*(.rodata*) /* .rodata* sections (constants, strings, etc.) */
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. = ALIGN(4);
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} >FLASH
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.ARM.extab : { *(.ARM.extab* .gnu.linkonce.armextab.*) } >FLASH
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.ARM : {
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__exidx_start = .;
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*(.ARM.exidx*)
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__exidx_end = .;
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} >FLASH
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.preinit_array :
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{
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PROVIDE_HIDDEN (__preinit_array_start = .);
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KEEP (*(.preinit_array*))
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PROVIDE_HIDDEN (__preinit_array_end = .);
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} >FLASH
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.init_array :
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{
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PROVIDE_HIDDEN (__init_array_start = .);
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KEEP (*(SORT(.init_array.*)))
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KEEP (*(.init_array*))
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PROVIDE_HIDDEN (__init_array_end = .);
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} >FLASH
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.fini_array :
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{
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PROVIDE_HIDDEN (__fini_array_start = .);
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KEEP (*(SORT(.fini_array.*)))
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KEEP (*(.fini_array*))
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PROVIDE_HIDDEN (__fini_array_end = .);
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} >FLASH
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/* used by the startup to initialize data */
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_sidata = LOADADDR(.data);
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/* Initialized data sections goes into RAM, load LMA copy after code */
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.data :
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{
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. = ALIGN(4);
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_sdata = .; /* create a global symbol at data start */
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*(.data) /* .data sections */
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*(.data*) /* .data* sections */
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. = ALIGN(4);
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_edata = .; /* define a global symbol at data end */
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} >RAM AT> FLASH
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_siccmram = LOADADDR(.ccmram);
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/* CCM-RAM section
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*
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* IMPORTANT NOTE!
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* If initialized variables will be placed in this section,
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* the startup code needs to be modified to copy the init-values.
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*/
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.ccmram :
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{
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. = ALIGN(4);
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_sccmram = .; /* create a global symbol at ccmram start */
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*(.ccmram)
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*(.ccmram*)
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. = ALIGN(4);
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_eccmram = .; /* create a global symbol at ccmram end */
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} >CCMRAM AT> FLASH
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/* Uninitialized data section */
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. = ALIGN(4);
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.bss :
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{
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/* This is used by the startup in order to initialize the .bss secion */
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_sbss = .; /* define a global symbol at bss start */
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__bss_start__ = _sbss;
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*(.bss)
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*(.bss*)
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*(COMMON)
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. = ALIGN(4);
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_ebss = .; /* define a global symbol at bss end */
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__bss_end__ = _ebss;
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} >RAM
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/* User_heap_stack section, used to check that there is enough RAM left */
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._user_heap_stack :
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{
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. = ALIGN(4);
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PROVIDE ( end = . );
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PROVIDE ( _end = . );
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. = . + _Min_Heap_Size;
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. = . + _Min_Stack_Size;
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. = ALIGN(4);
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} >RAM
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/* Remove information from the standard libraries */
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/DISCARD/ :
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{
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libc.a ( * )
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libm.a ( * )
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libgcc.a ( * )
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}
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.ARM.attributes 0 : { *(.ARM.attributes) }
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}
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