codec2/stm32/stm32_flash.ld

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ENTRY(Reset_Handler)
/* Highest address of the user mode stack */
_estack = 0x20020000; /* end of 128K RAM on AHB bus*/
/* 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 */
MEMORY
{
/* ISR vectors *must* be placed here as they get mapped to address 0 */
VECTOR (rx) : ORIGIN = 0x08000000, LENGTH = 16K
/* Virtual EEPROM area, we use the remaining 16kB blocks for this. */
EEPROM (rx) : ORIGIN = 0x08004000, LENGTH = 48K
/* The rest of flash is used for program data */
FLASH (rx) : ORIGIN = 0x08010000, LENGTH = 960K
/* Backup memory area */
BKPSRAM (rwx) : ORIGIN = 0x40024000, LENGTH = 4K
/* Memory area */
RAM (rwx) : ORIGIN = 0x20000000, LENGTH = 128K
/* Core Coupled Memory */
CCM (rwx) : ORIGIN = 0x10000000, LENGTH = 64K
}
SECTIONS
{
.isr_vector :
{
. = ALIGN(4);
KEEP(*(.isr_vector))
. = ALIGN(4);
} >VECTOR
.eeprom :
{
. = ALIGN(4);
KEEP(*(.eeprom)) /* special section for persistent data */
. = ORIGIN(EEPROM) + LENGTH(EEPROM) - 1;
BYTE(0xFF)
. = ALIGN(4);
} >EEPROM = 0xff
.bkpsram :
{
. = ALIGN(4);
KEEP(*(.bkpsram))
. = ALIGN(4);
} > BKPSRAM
.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 */
_exit = .;
} >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 : AT ( _sidata )
{
. = 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
/* Uninitialized data section */
. = ALIGN(4);
.bss :
{
/* This is used by the startup in order to initialize the .bss section */
_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
.ccm (NOLOAD) :
{
. = ALIGN(4);
_sccmram = .;
*(.ccm)
. = ALIGN(4);
_eccmram = .;
} >CCM
}