/*
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*****************************************************************************
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**
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** File : xl6600x_flash.ld
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**
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** Abstract : Linker script for xl6600x Device with
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** 256KByte FLASH, 24KByte DRAM
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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 : CHIPWAYS xl6600
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**
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** Environment : Chipways Code Editor(R)
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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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** (c)Copyright Chipways.
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** You may use this file as-is or modify it according to the needs of your
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** project. Distribution of this file (unmodified or modified) is not
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** permitted. Chipways permit registered Chipways Code Editor(R) users the
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** rights to distribute the assembled, compiled & linked contents of this
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** file as part of an application binary file, provided that it is built
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** using the Chipways Code Editor(R) toolchain.
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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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/* Generate a link error if heap and stack don't fit into DRAM */
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_Min_Heap_Size = DEFINED(__heap_size__) ? __heap_size__ : 0x00000200; /* required amount of heap */
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_Min_Stack_Size = DEFINED(__stack_size__) ? __stack_size__ : 0x00000400; /* 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 = 0x00000000, LENGTH = 256K
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CRAM (xrw) : ORIGIN = 0x1FFFE800, LENGTH = 6K
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DRAM (xrw) : ORIGIN = 0x20000000, LENGTH = 18K
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RAM_VECT_TBL (xrw) : ORIGIN = 0x20000000, LENGTH = 0x200
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FALSH_DRIVER_RAM (xrw):ORIGIN = 0x20000200, LENGTH = 0x100
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BOOTFLAG (xrw) : ORIGIN = 0x20004700, LENGTH = 0x100
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FLASH_BOOT (rx) : ORIGIN = 0x0000000, LENGTH = 48K
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FLASH_APP (rx) : ORIGIN = 0x000C100, LENGTH = 256K -48K -8K-0x100
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FLASH_EEP (rx) : ORIGIN = 0x003E000, LENGTH = 8K /* FALSH EE */
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FLASH_APPL_CRC (rx) : ORIGIN = 0x000C000, LENGTH = 0x100
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}
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/* Define output sections */
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SECTIONS
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{
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/* no init ram data */
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.RAMNoInitSector :
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{
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. = ALIGN(8);
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KEEP(*(.noinit_bootReqFlag_ram)) /* Startup code */
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. = ALIGN(8);
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} >BOOTFLAG
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.RAMVectorTable : {KEEP(*(.RAMVectorTable))} > RAM_VECT_TBL
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.flashdriver_ram : {KEEP(*(.flashdriver_ram))} > FALSH_DRIVER_RAM
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/* file define */
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.filedefine_rom :
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{
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. = ALIGN(8);
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KEEP(*(.filedefine_rom)) /* Startup code */
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. = ALIGN(8);
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} >FLASH_APPL_CRC
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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(8);
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KEEP(*(.isr_vector)) /* Startup code */
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. = ALIGN(8);
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} >FLASH
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. = ALIGN(8);
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_falsh_sidata = .;
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/* _falsh_sidata is load memory address*/
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.flash_ram : AT(_falsh_sidata)
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{
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. = ALIGN(8);
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_flash_start = .;
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KEEP(*(.flash_ram)) /* flash operation code */
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. = ALIGN(8);
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} >DRAM
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/*SIZEOF(.flash_ram) return the size in bytes of flash_ram*/
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_flash_end1 = SIZEOF(.flash_ram);
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_flash_end = _flash_start + _flash_end1;
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/* The program code and other data goes into FLASH */
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.text (_falsh_sidata + _flash_end1):
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{
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. = ALIGN(8);
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*(.text) /* .text sections (code) */
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*(.rodata) /* .rodata sections (constants, strings, etc.) */
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*(.rodata*) /* .rodata* sections (constants, strings, etc.) */
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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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KEEP (*(.init))
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KEEP (*(.fini))
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. = ALIGN(8);
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_etext = .; /* define a global symbols at end of code */
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} >FLASH_BOOT
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. = ALIGN(8);
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.ARM.extab : {
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*(.ARM.extab* .gnu.linkonce.armextab.*)
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. = ALIGN(8);
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} >FLASH_BOOT
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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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. = ALIGN(8);
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} >FLASH_BOOT
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. = ALIGN(8);
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.ARM.attributes : {
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*(.ARM.attributes)
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. = ALIGN(8);
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} > FLASH_BOOT
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. = ALIGN(8);
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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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. = ALIGN(8);
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} >FLASH_BOOT
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. = ALIGN(8);
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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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. = ALIGN(8);
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} >FLASH_BOOT
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. = ALIGN(8);
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.fini_array :
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{
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PROVIDE_HIDDEN (__fini_array_start = .);
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KEEP (*(.fini_array*))
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KEEP (*(SORT(.fini_array.*)))
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PROVIDE_HIDDEN (__fini_array_end = .);
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. = ALIGN(8);
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} >FLASH_BOOT
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/* used by the startup to initialize data */
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. = ALIGN(8);
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_sidata = .;
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/* Initialized data sections goes into DRAM, load LMA copy after code */
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.data : AT ( _sidata )
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{
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. = ALIGN(8);
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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(8);
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_edata = .; /* define a global symbol at data end */
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} >DRAM
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/* Uninitialized data section */
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. = ALIGN(8);
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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(8);
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_ebss = .; /* define a global symbol at bss end */
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__bss_end__ = _ebss;
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} >DRAM
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PROVIDE ( end = _ebss );
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PROVIDE ( _end = _ebss );
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/* User_heap_stack section, used to check that there is enough DRAM left */
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._user_heap :
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{
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. = ALIGN(8);
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. = . + _Min_Heap_Size;
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. = ALIGN(8);
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__HeapLimit = .;
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} >DRAM
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/* Initializes stack on the end of block */
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_estack = ORIGIN(DRAM) + LENGTH(DRAM);
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__StackLimit = _estack - _Min_Stack_Size;
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__RAM_END = _estack;
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._user_stack __StackLimit :
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{
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. = ALIGN(8);
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__stack_start__ = .;
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. += _Min_Stack_Size;
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. = ALIGN(8);
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__stack_end__ = .;
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} >DRAM
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ASSERT(__StackLimit >= __HeapLimit, "region DRAM overflowed with stack and heap")
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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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}
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