mirror of
https://github.com/betaflight/betaflight.git
synced 2025-07-24 00:35:39 +03:00
3d382ea4c7
series development board. These boards can be picked up for less than $11, coupled with a 10DOF sensor board they make a great development platform or cheap expandable FC. Pretty much all pins are available to be used, unlike on the less capable and more expensive OLIMEXINO.
150 lines
3.9 KiB
Text
150 lines
3.9 KiB
Text
/*
|
|
*****************************************************************************
|
|
**
|
|
** File : stm32_flash.ld
|
|
**
|
|
** Abstract : Linker script for STM32F103RC Device with
|
|
** 256KByte FLASH, 48KByte RAM
|
|
**
|
|
*****************************************************************************
|
|
*/
|
|
|
|
/* Entry Point */
|
|
ENTRY(Reset_Handler)
|
|
|
|
/* Highest address of the user mode stack */
|
|
_estack = 0x2000C000; /* end of 48K RAM */
|
|
|
|
/* Generate a link error if heap and stack don't fit into RAM */
|
|
_Min_Heap_Size = 0; /* required amount of heap */
|
|
_Min_Stack_Size = 0x400; /* required amount of stack */
|
|
|
|
/* Specify the memory areas. Flash is limited for last 2K for configuration storage */
|
|
MEMORY
|
|
{
|
|
FLASH (rx) : ORIGIN = 0x08000000, LENGTH = 254K /* last 2kb used for config storage */
|
|
RAM (xrw) : ORIGIN = 0x20000000, LENGTH = 48K
|
|
MEMORY_B1 (rx) : ORIGIN = 0x60000000, LENGTH = 0K
|
|
}
|
|
|
|
/* Define output sections */
|
|
SECTIONS
|
|
{
|
|
/* The startup code goes first into FLASH */
|
|
.isr_vector :
|
|
{
|
|
. = ALIGN(4);
|
|
KEEP(*(.isr_vector)) /* Startup code */
|
|
. = ALIGN(4);
|
|
} >FLASH
|
|
|
|
/* The program code and other data goes into FLASH */
|
|
.text :
|
|
{
|
|
. = ALIGN(4);
|
|
*(.text) /* .text sections (code) */
|
|
*(.text*) /* .text* sections (code) */
|
|
*(.rodata) /* .rodata sections (constants, strings, etc.) */
|
|
*(.rodata*) /* .rodata* sections (constants, strings, etc.) */
|
|
*(.glue_7) /* glue arm to thumb code */
|
|
*(.glue_7t) /* glue thumb to arm code */
|
|
*(.eh_frame)
|
|
|
|
KEEP (*(.init))
|
|
KEEP (*(.fini))
|
|
|
|
. = ALIGN(4);
|
|
_etext = .; /* define a global symbols at end of code */
|
|
} >FLASH
|
|
|
|
|
|
.ARM.extab : { *(.ARM.extab* .gnu.linkonce.armextab.*) } >FLASH
|
|
.ARM : {
|
|
__exidx_start = .;
|
|
*(.ARM.exidx*)
|
|
__exidx_end = .;
|
|
} >FLASH
|
|
|
|
.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 (*(.fini_array*))
|
|
KEEP (*(SORT(.fini_array.*)))
|
|
PROVIDE_HIDDEN (__fini_array_end = .);
|
|
} >FLASH
|
|
|
|
/* used by the startup to initialize data */
|
|
_sidata = .;
|
|
|
|
/* Initialized data sections goes into RAM, load LMA copy after code */
|
|
.data :
|
|
{
|
|
. = ALIGN(4);
|
|
_sdata = .; /* create a global symbol at data start */
|
|
*(.data) /* .data sections */
|
|
*(.data*) /* .data* sections */
|
|
|
|
. = ALIGN(4);
|
|
_edata = .; /* define a global symbol at data end */
|
|
} >RAM AT> FLASH
|
|
|
|
/* 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)
|
|
|
|
. = ALIGN(4);
|
|
_ebss = .; /* define a global symbol at bss end */
|
|
__bss_end__ = _ebss;
|
|
} >RAM
|
|
|
|
/* User_heap_stack section, used to check that there is enough RAM left */
|
|
._user_heap_stack :
|
|
{
|
|
. = ALIGN(4);
|
|
PROVIDE ( end = . );
|
|
PROVIDE ( _end = . );
|
|
. = . + _Min_Heap_Size;
|
|
. = . + _Min_Stack_Size;
|
|
. = ALIGN(4);
|
|
} >RAM
|
|
|
|
/* MEMORY_bank1 section, code must be located here explicitly */
|
|
/* Example: extern int foo(void) __attribute__ ((section (".mb1text"))); */
|
|
.memory_b1_text :
|
|
{
|
|
*(.mb1text) /* .mb1text sections (code) */
|
|
*(.mb1text*) /* .mb1text* sections (code) */
|
|
*(.mb1rodata) /* read-only data (constants) */
|
|
*(.mb1rodata*)
|
|
} >MEMORY_B1
|
|
|
|
/* Remove information from the standard libraries */
|
|
/DISCARD/ :
|
|
{
|
|
libc.a ( * )
|
|
libm.a ( * )
|
|
libgcc.a ( * )
|
|
}
|
|
|
|
.ARM.attributes 0 : { *(.ARM.attributes) }
|
|
}
|