mirror of
https://github.com/betaflight/betaflight.git
synced 2025-07-15 20:35:33 +03:00
a947ef8fbb
meant that 1kb of code could be overwritten when saving the config. Fixed EEPROM write address for F30x so that code is also not overwritten when saving the config.
150 lines
4 KiB
Text
150 lines
4 KiB
Text
/*
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*****************************************************************************
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**
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** File : stm32_flash.ld
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**
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** Abstract : Linker script for STM32F30x Device with
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** 256KByte FLASH and 40KByte RAM
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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 = 0x2000A000; /* end of 40K 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 = 0; /* 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 = 0x08000000, LENGTH = 254K /* last 2kb used for config storage */
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RAM (xrw) : ORIGIN = 0x20000000, LENGTH = 40K
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MEMORY_B1 (rx) : ORIGIN = 0x60000000, LENGTH = 0K
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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 :
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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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*(.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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*(.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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.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 (*(.fini_array*))
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KEEP (*(SORT(.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 = .;
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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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/* 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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/* MEMORY_bank1 section, code must be located here explicitly */
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/* Example: extern int foo(void) __attribute__ ((section (".mb1text"))); */
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.memory_b1_text :
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{
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*(.mb1text) /* .mb1text sections (code) */
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*(.mb1text*) /* .mb1text* sections (code) */
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*(.mb1rodata) /* read-only data (constants) */
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*(.mb1rodata*)
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} >MEMORY_B1
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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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