ref: ec44609460479138e9f4b506b32a45670208af64
dir: /demos/stm32f429_disco/stm32f429.ld/
/******************************************************************************
* author: Freddie Chopin, http://www.freddiechopin.info/
* file: STM32F4xxxG_rom.ld
* last change: 2012-03-15
*
* chip: STM32F4xxxG
* compiler: arm-none-eabi-gcc (GNU Tools for ARM Embedded Processors) 4.6.2
* 20110921 (release) [ARM/embedded-4_6-branch revision 182083]
*
* description:
* Linker script for STM32F4xxxG chip (1MB Flash, 112kB SRAM, 16kB aux SRAM,
* 64kB CCM RAM and 4kB backup SRAM). Only main block o SRAM (112kB) is used.
******************************************************************************/
SEARCH_DIR(.);
/*
+=============================================================================+
| format configurations
+=============================================================================+
*/
OUTPUT_FORMAT("elf32-littlearm", "elf32-bigarm", "elf32-littlearm");
OUTPUT_ARCH(arm);
/*
+=============================================================================+
| stacks sizes
+=============================================================================+
*/
/* Handler mode (core exceptions / interrupts) can use only main stack */
/* Thread mode can use main stack (default) or process stack - selected in CONTROL special register */
__main_stack_size = 4096;
__process_stack_size = 4096;
PROVIDE(__main_stack_size = __main_stack_size);
PROVIDE(__process_stack_size = __process_stack_size);
/*
+=============================================================================+
| available memories definitions
+=============================================================================+
*/
MEMORY
{
rom (rx) : org = 0x08000000, len = 2M
ram (rwx) : org = 0x20000000, len = 112k
aux_ram (rwx) : org = 0x2001C000, len = 16k
ccm_ram (rw) : org = 0x10000000, len = 64k
bkp_ram (rwx) : org = 0x40024000, len = 4k
}
__rom_start = ORIGIN(rom);
__rom_size = LENGTH(rom);
__rom_end = __rom_start + __rom_size;
__ram_start = ORIGIN(ram);
__ram_size = LENGTH(ram);
__ram_end = __ram_start + __ram_size;
__aux_ram_start = ORIGIN(aux_ram);
__aux_ram_size = LENGTH(aux_ram);
__aux_ram_end = __aux_ram_start + __aux_ram_size;
__ccm_ram_start = ORIGIN(ccm_ram);
__ccm_ram_size = LENGTH(ccm_ram);
__ccm_ram_end = __ccm_ram_start + __ccm_ram_size;
__bkp_ram_start = ORIGIN(bkp_ram);
__bkp_ram_size = LENGTH(bkp_ram);
__bkp_ram_end = __bkp_ram_start + __bkp_ram_size;
PROVIDE(__rom_start = __rom_start);
PROVIDE(__rom_size = __rom_size);
PROVIDE(__rom_end = __rom_end);
PROVIDE(__ram_start = __ram_start);
PROVIDE(__ram_size = __ram_size);
PROVIDE(__ram_end = __ram_end);
PROVIDE(__aux_ram_start = __aux_ram_start);
PROVIDE(__aux_ram_size = __aux_ram_size);
PROVIDE(__aux_ram_end = __aux_ram_end);
PROVIDE(__ccm_ram_start = __ccm_ram_start);
PROVIDE(__ccm_ram_size = __ccm_ram_size);
PROVIDE(__ccm_ram_end = __ccm_ram_end);
PROVIDE(__bkp_ram_start = __bkp_ram_start);
PROVIDE(__bkp_ram_size = __bkp_ram_size);
PROVIDE(__bkp_ram_end = __bkp_ram_end);
/*
+=============================================================================+
| entry point
+=============================================================================+
*/
ENTRY(Reset_Handler);
/*
+=============================================================================+
| put data in sections
+=============================================================================+
*/
SECTIONS
{
.text :
{
. = ALIGN(4);
__text_start = .;
PROVIDE(__text_start = __text_start);
. = ALIGN(4);
KEEP(*(.vectors));
. = ALIGN(4);
*(.text .text.* .gnu.linkonce.t.*);
. = ALIGN(4);
*(.glue_7t .glue_7);
. = ALIGN(4);
*(.rodata .rodata.* .gnu.linkonce.r.*);
. = ALIGN(4);
*(.ARM.extab* .gnu.linkonce.armextab.*); /* exception unwinding information */
. = ALIGN(4);
*(.gcc_except_table); /* information used for stack unwinding during exception */
. = ALIGN(4);
*(.eh_frame_hdr); /* additional information about .ex_frame section */
. = ALIGN(4);
*(.eh_frame); /* information used for stack unwinding during exception */
. = ALIGN(4);
KEEP(*(.init));
. = ALIGN(4);
__preinit_array_start = .;
KEEP(*(.preinit_array));
. = ALIGN(4);
__preinit_array_end = .;
__init_array_start = .;
KEEP(*(SORT(.init_array.*)));
. = ALIGN(4);
KEEP(*(.init_array));
. = ALIGN(4);
__init_array_end = .;
KEEP(*(.fini));
. = ALIGN(4);
__fini_array_start = .;
KEEP(*(.fini_array));
. = ALIGN(4);
KEEP(*(SORT(.fini_array.*)));
. = ALIGN(4);
__fini_array_end = .;
. = ALIGN(4);
__text_end = .;
PROVIDE(__text_end = __text_end);
} > rom AT > rom
. = ALIGN(4);
__exidx_start = .;
PROVIDE(__exidx_start = __exidx_start);
.ARM.exidx :
{
*(.ARM.exidx* .gnu.linkonce.armexidx.*);
} > rom AT > rom /* index entries for section unwinding */
. = ALIGN(4);
__exidx_end = .;
PROVIDE(__exidx_end = __exidx_end);
.data :
{
. = ALIGN(4);
__data_init_start = LOADADDR (.data);
PROVIDE(__data_init_start = __data_init_start);
__data_start = .;
PROVIDE(__data_start = __data_start);
. = ALIGN(4);
*(.data .data.* .gnu.linkonce.d.*)
. = ALIGN(4);
__data_end = .;
PROVIDE(__data_end = __data_end);
} > ram AT > rom
.bss :
{
. = ALIGN(4);
__bss_start = .;
PROVIDE(__bss_start = __bss_start);
. = ALIGN(4);
*(.bss .bss.* .gnu.linkonce.b.*)
. = ALIGN(4);
*(COMMON);
. = ALIGN(4);
__bss_end = .;
PROVIDE(__bss_end = __bss_end);
} > ram AT > ram
.stack :
{
. = ALIGN(8);
__stack_start = .;
PROVIDE(__stack_start = __stack_start);
. = ALIGN(8);
__main_stack_start = .;
PROVIDE(__main_stack_start = __main_stack_start);
. += __main_stack_size;
. = ALIGN(8);
__main_stack_end = .;
PROVIDE(__main_stack_end = __main_stack_end);
. = ALIGN(8);
__process_stack_start = .;
PROVIDE(__process_stack_start = __process_stack_start);
. += __process_stack_size;
. = ALIGN(8);
__process_stack_end = .;
PROVIDE(__process_stack_end = __process_stack_end);
. = ALIGN(8);
__stack_end = .;
PROVIDE(__stack_end = __stack_end);
} > ram AT > ram
. = ALIGN(4);
__heap_start = .;
PROVIDE(__heap_start = __heap_start);
. = ALIGN(4);
__heap_end = __ram_end;
PROVIDE(__heap_end = __heap_end);
.stab 0 (NOLOAD) : { *(.stab) }
.stabstr 0 (NOLOAD) : { *(.stabstr) }
/* DWARF debug sections.
* Symbols in the DWARF debugging sections are relative to the beginning
* of the section so we begin them at 0. */
/* DWARF 1 */
.debug 0 : { *(.debug) }
.line 0 : { *(.line) }
/* GNU DWARF 1 extensions */
.debug_srcinfo 0 : { *(.debug_srcinfo) }
.debug_sfnames 0 : { *(.debug_sfnames) }
/* DWARF 1.1 and DWARF 2 */
.debug_aranges 0 : { *(.debug_aranges) }
.debug_pubnames 0 : { *(.debug_pubnames) }
/* DWARF 2 */
.debug_info 0 : { *(.debug_info .gnu.linkonce.wi.*) }
.debug_abbrev 0 : { *(.debug_abbrev) }
.debug_line 0 : { *(.debug_line) }
.debug_frame 0 : { *(.debug_frame) }
.debug_str 0 : { *(.debug_str) }
.debug_loc 0 : { *(.debug_loc) }
.debug_macinfo 0 : { *(.debug_macinfo) }
/* SGI/MIPS DWARF 2 extensions */
.debug_weaknames 0 : { *(.debug_weaknames) }
.debug_funcnames 0 : { *(.debug_funcnames) }
.debug_typenames 0 : { *(.debug_typenames) }
.debug_varnames 0 : { *(.debug_varnames) }
.note.gnu.arm.ident 0 : { KEEP(*(.note.gnu.arm.ident)) }
.ARM.attributes 0 : { KEEP(*(.ARM.attributes)) }
/DISCARD/ : { *(.note.GNU-stack) }
}
PROVIDE(__text_size = __text_end - __text_start);
PROVIDE(__exidx_size = __exidx_end - __exidx_start);
PROVIDE(__data_size = __data_end - __data_start);
PROVIDE(__bss_size = __bss_end - __bss_start);
PROVIDE(__stack_size = __stack_end - __stack_start);
PROVIDE(__heap_size = __heap_end - __heap_start);
/******************************************************************************
* END OF FILE
******************************************************************************/