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										 |  |  | /* | 
					
						
							|  |  |  | ****************************************************************************** | 
					
						
							|  |  |  | ** | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | **  File        : LinkerScript.ld | 
					
						
							|  |  |  | ** | 
					
						
							|  |  |  | **  Author		: STM32CubeMX | 
					
						
							|  |  |  | ** | 
					
						
							|  |  |  | **  Abstract    : Linker script for STM32F429IGHx series | 
					
						
							|  |  |  | **                1024Kbytes FLASH and 256Kbytes RAM | 
					
						
							|  |  |  | ** | 
					
						
							|  |  |  | **                Set heap size, stack size and stack location according | 
					
						
							|  |  |  | **                to application requirements. | 
					
						
							|  |  |  | ** | 
					
						
							|  |  |  | **                Set memory bank area and size if external memory is used. | 
					
						
							|  |  |  | ** | 
					
						
							|  |  |  | **  Target      : STMicroelectronics STM32 | 
					
						
							|  |  |  | ** | 
					
						
							|  |  |  | **  Distribution: The file is distributed “as is,” without any warranty | 
					
						
							|  |  |  | **                of any kind. | 
					
						
							|  |  |  | ** | 
					
						
							|  |  |  | ***************************************************************************** | 
					
						
							|  |  |  | ** @attention | 
					
						
							|  |  |  | ** | 
					
						
							|  |  |  | ** <h2><center>© COPYRIGHT(c) 2019 STMicroelectronics</center></h2> | 
					
						
							|  |  |  | ** | 
					
						
							|  |  |  | ** Redistribution and use in source and binary forms, with or without modification, | 
					
						
							|  |  |  | ** are permitted provided that the following conditions are met: | 
					
						
							|  |  |  | **   1. Redistributions of source code must retain the above copyright notice, | 
					
						
							|  |  |  | **      this list of conditions and the following disclaimer. | 
					
						
							|  |  |  | **   2. Redistributions in binary form must reproduce the above copyright notice, | 
					
						
							|  |  |  | **      this list of conditions and the following disclaimer in the documentation | 
					
						
							|  |  |  | **      and/or other materials provided with the distribution. | 
					
						
							|  |  |  | **   3. Neither the name of STMicroelectronics nor the names of its contributors | 
					
						
							|  |  |  | **      may be used to endorse or promote products derived from this software | 
					
						
							|  |  |  | **      without specific prior written permission. | 
					
						
							|  |  |  | ** | 
					
						
							|  |  |  | ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" | 
					
						
							|  |  |  | ** AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | 
					
						
							|  |  |  | ** IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | 
					
						
							|  |  |  | ** DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE | 
					
						
							|  |  |  | ** FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | 
					
						
							|  |  |  | ** DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR | 
					
						
							|  |  |  | ** SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER | 
					
						
							|  |  |  | ** CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, | 
					
						
							|  |  |  | ** OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 
					
						
							|  |  |  | ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 
					
						
							|  |  |  | ** | 
					
						
							|  |  |  | ***************************************************************************** | 
					
						
							|  |  |  | */ | 
					
						
							|  |  |  | 
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							|  |  |  | /* Entry Point */ | 
					
						
							|  |  |  | ENTRY(Reset_Handler) | 
					
						
							|  |  |  | 
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							|  |  |  | /* Highest address of the user mode stack */ | 
					
						
							|  |  |  | _estack = ORIGIN(RAM) + LENGTH(RAM);    /* end of RAM */ | 
					
						
							|  |  |  | /* Generate a link error if heap and stack don't fit into RAM */ | 
					
						
							|  |  |  | _Min_Heap_Size = 0x200;      /* required amount of heap  */ | 
					
						
							|  |  |  | _Min_Stack_Size = 0x400; /* required amount of stack */ | 
					
						
							|  |  |  | 
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							|  |  |  | /* Specify the memory areas */ | 
					
						
							|  |  |  | MEMORY | 
					
						
							|  |  |  | { | 
					
						
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										 |  |  | RAM (xrw)      : ORIGIN = 0x2000000C, LENGTH = 0x0002FFF4 | 
					
						
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										 |  |  | CCMRAM (xrw)      : ORIGIN = 0x10000000, LENGTH = 64K | 
					
						
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										 |  |  | FLASH (rx)      : ORIGIN = 0x8000000, LENGTH = 2048K | 
					
						
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										 |  |  | } | 
					
						
							|  |  |  | 
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							|  |  |  | /* Define output sections */ | 
					
						
							|  |  |  | SECTIONS | 
					
						
							|  |  |  | { | 
					
						
							|  |  |  |   /* The startup code goes first into FLASH */ | 
					
						
							|  |  |  |   .isr_vector : | 
					
						
							|  |  |  |   { | 
					
						
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										 |  |  |     isr_vector_start = .; | 
					
						
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										 |  |  |     . = ALIGN(4); | 
					
						
							|  |  |  |     KEEP(*(.isr_vector)) /* Startup code */ | 
					
						
							|  |  |  |     . = ALIGN(4); | 
					
						
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										 |  |  |     isr_vector_end = .; | 
					
						
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										 |  |  |   } >FLASH | 
					
						
							|  |  |  | 
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							|  |  |  |   /* The program code and other data goes into FLASH */ | 
					
						
							|  |  |  |   .text : | 
					
						
							|  |  |  |   { | 
					
						
							|  |  |  |     . = ALIGN(4); | 
					
						
							|  |  |  |     *(.text)           /* .text sections (code) */ | 
					
						
							|  |  |  |     *(.text*)          /* .text* sections (code) */ | 
					
						
							|  |  |  |     *(.glue_7)         /* glue arm to thumb code */ | 
					
						
							|  |  |  |     *(.glue_7t)        /* glue thumb to arm code */ | 
					
						
							|  |  |  |     *(.eh_frame) | 
					
						
							|  |  |  | 
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							|  |  |  |     KEEP (*(.init)) | 
					
						
							|  |  |  |     KEEP (*(.fini)) | 
					
						
							|  |  |  | 
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							|  |  |  |     . = ALIGN(4); | 
					
						
							|  |  |  |     _etext = .;        /* define a global symbols at end of code */ | 
					
						
							|  |  |  |   } >FLASH | 
					
						
							|  |  |  | 
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							|  |  |  |   /* Constant data goes into FLASH */ | 
					
						
							|  |  |  |   .rodata : | 
					
						
							|  |  |  |   { | 
					
						
							|  |  |  |     . = ALIGN(4); | 
					
						
							|  |  |  |     *(.rodata)         /* .rodata sections (constants, strings, etc.) */ | 
					
						
							|  |  |  |     *(.rodata*)        /* .rodata* sections (constants, strings, etc.) */ | 
					
						
							|  |  |  |     . = ALIGN(4); | 
					
						
							|  |  |  |   } >FLASH | 
					
						
							|  |  |  | 
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										 |  |  |   .ARM.extab   : { *(.ARM.extab* .gnu.linkonce.armextab.*) } >FLASH | 
					
						
							|  |  |  |   .ARM : { | 
					
						
							|  |  |  |     __exidx_start = .; | 
					
						
							|  |  |  |     *(.ARM.exidx*) | 
					
						
							|  |  |  |     __exidx_end = .; | 
					
						
							|  |  |  |   } >FLASH | 
					
						
							|  |  |  | 
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							|  |  |  |   .preinit_array     : | 
					
						
							|  |  |  |   { | 
					
						
							|  |  |  |     PROVIDE_HIDDEN (__preinit_array_start = .); | 
					
						
							|  |  |  |     KEEP (*(.preinit_array*)) | 
					
						
							|  |  |  |     PROVIDE_HIDDEN (__preinit_array_end = .); | 
					
						
							|  |  |  |   } >FLASH | 
					
						
							|  |  |  |   .init_array : | 
					
						
							|  |  |  |   { | 
					
						
							|  |  |  |     PROVIDE_HIDDEN (__init_array_start = .); | 
					
						
							|  |  |  |     KEEP (*(SORT(.init_array.*))) | 
					
						
							|  |  |  |     KEEP (*(.init_array*)) | 
					
						
							|  |  |  |     PROVIDE_HIDDEN (__init_array_end = .); | 
					
						
							|  |  |  |   } >FLASH | 
					
						
							|  |  |  |   .fini_array : | 
					
						
							|  |  |  |   { | 
					
						
							|  |  |  |     PROVIDE_HIDDEN (__fini_array_start = .); | 
					
						
							|  |  |  |     KEEP (*(SORT(.fini_array.*))) | 
					
						
							|  |  |  |     KEEP (*(.fini_array*)) | 
					
						
							|  |  |  |     PROVIDE_HIDDEN (__fini_array_end = .); | 
					
						
							|  |  |  |   } >FLASH | 
					
						
							|  |  |  | 
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										 |  |  |   .libc_dev : | 
					
						
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										 |  |  |   { | 
					
						
							|  |  |  |     /* Place specific object files at fixed addresses */ | 
					
						
							|  |  |  |     . = ALIGN(4); | 
					
						
							|  |  |  |     libc_dev_start = .; | 
					
						
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										 |  |  |     KEEP(*(.libc_dev)) | 
					
						
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										 |  |  |     libc_dev_end = .; | 
					
						
							|  |  |  |     . = ALIGN(4); | 
					
						
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										 |  |  |   } >FLASH | 
					
						
							|  |  |  | 
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							|  |  |  |   .name :{ | 
					
						
							|  |  |  |     . = ALIGN(4); | 
					
						
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										 |  |  |     name_start = .; | 
					
						
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										 |  |  |     KEEP(*(.name)) | 
					
						
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										 |  |  |     name_end = .; | 
					
						
							|  |  |  |     . = ALIGN(4); | 
					
						
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										 |  |  |   } >FLASH | 
					
						
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							|  |  |  |   .sys_api :{ | 
					
						
							|  |  |  |     . = ALIGN(4); | 
					
						
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										 |  |  |     sys_api_start = .; | 
					
						
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										 |  |  |     KEEP(*(.sys_api)) | 
					
						
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										 |  |  |     sys_api_end = .; | 
					
						
							|  |  |  |     . = ALIGN(4); | 
					
						
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										 |  |  |   } >FLASH | 
					
						
							|  |  |  | 
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							|  |  |  |   .bsp_init :{ | 
					
						
							|  |  |  |     . = ALIGN(4); | 
					
						
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										 |  |  |     bsp_init_start = .; | 
					
						
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										 |  |  |     KEEP(*(.bsp_init)) | 
					
						
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										 |  |  |     bsp_init_end = .; | 
					
						
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										 |  |  |     . = ALIGN(4); | 
					
						
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										 |  |  |   } >FLASH | 
					
						
							|  |  |  | 
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										 |  |  |   /* used by the startup to initialize data */ | 
					
						
							|  |  |  |   _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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										 |  |  |   { | 
					
						
							|  |  |  |     . = ALIGN(4); | 
					
						
							|  |  |  |     _sdata = .;        /* create a global symbol at data start */ | 
					
						
							|  |  |  |     *(.data)           /* .data sections */ | 
					
						
							|  |  |  |     *(.data*)          /* .data* sections */ | 
					
						
							|  |  |  | 
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							|  |  |  |     . = ALIGN(4); | 
					
						
							|  |  |  |     _edata = .;        /* define a global symbol at data end */ | 
					
						
							|  |  |  |   } >RAM AT> FLASH | 
					
						
							|  |  |  | 
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							|  |  |  |   _siccmram = LOADADDR(.ccmram); | 
					
						
							|  |  |  | 
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										 |  |  |   /* CCM-RAM section | 
					
						
							|  |  |  |   * | 
					
						
							|  |  |  |   * 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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										 |  |  |   */ | 
					
						
							|  |  |  |   .ccmram : | 
					
						
							|  |  |  |   { | 
					
						
							|  |  |  |     . = ALIGN(4); | 
					
						
							|  |  |  |     _sccmram = .;       /* create a global symbol at ccmram start */ | 
					
						
							|  |  |  |     *(.ccmram) | 
					
						
							|  |  |  |     *(.ccmram*) | 
					
						
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										 |  |  |     . = ALIGN(4); | 
					
						
							|  |  |  |     _eccmram = .;       /* create a global symbol at ccmram end */ | 
					
						
							|  |  |  |   } >CCMRAM AT> FLASH | 
					
						
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										 |  |  |   /* Uninitialized data section */ | 
					
						
							|  |  |  |   . = ALIGN(4); | 
					
						
							|  |  |  |   .bss : | 
					
						
							|  |  |  |   { | 
					
						
							|  |  |  |     /* This is used by the startup in order to initialize the .bss secion */ | 
					
						
							|  |  |  |     _sbss = .;         /* define a global symbol at bss start */ | 
					
						
							|  |  |  |     __bss_start__ = _sbss; | 
					
						
							|  |  |  |     *(.bss) | 
					
						
							|  |  |  |     *(.bss*) | 
					
						
							|  |  |  |     *(COMMON) | 
					
						
							|  |  |  | 
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							|  |  |  |     . = ALIGN(4); | 
					
						
							|  |  |  |     _ebss = .;         /* define a global symbol at bss end */ | 
					
						
							|  |  |  |     __bss_end__ = _ebss; | 
					
						
							|  |  |  |   } >RAM | 
					
						
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							|  |  |  |   /* User_heap_stack section, used to check that there is enough RAM left */ | 
					
						
							|  |  |  |   ._user_heap_stack : | 
					
						
							|  |  |  |   { | 
					
						
							|  |  |  |     . = ALIGN(8); | 
					
						
							|  |  |  |     PROVIDE ( end = . ); | 
					
						
							|  |  |  |     PROVIDE ( _end = . ); | 
					
						
							|  |  |  |     . = . + _Min_Heap_Size; | 
					
						
							|  |  |  |     . = . + _Min_Stack_Size; | 
					
						
							|  |  |  |     . = ALIGN(8); | 
					
						
							|  |  |  |   } >RAM | 
					
						
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										 |  |  | 
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							|  |  |  |   /* Remove information from the standard libraries */ | 
					
						
							|  |  |  |   /DISCARD/ : | 
					
						
							|  |  |  |   { | 
					
						
							|  |  |  |     libc.a ( * ) | 
					
						
							|  |  |  |     libm.a ( * ) | 
					
						
							|  |  |  |     libgcc.a ( * ) | 
					
						
							|  |  |  |   } | 
					
						
							|  |  |  | 
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							|  |  |  | } | 
					
						
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