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stm32f4xx_link.ld
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stm32f4xx_link.ld
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/*
* Copyright (C) 2016 by Andy Uribe CA6JAU
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/* Required amount of heap and stack */
_min_heap_size = 0x1000;
_min_stack_size = 0x0800;
/* The entry point in the interrupt vector table */
ENTRY(Reset_Handler)
/* Memory areas */
MEMORY
{
ROM (rx) : ORIGIN = 0x08000000, LENGTH = 1024K /* FLASH */
CCMRAM (xrw) : ORIGIN = 0x10000000, LENGTH = 64K /* Core Coupled Memory (CPU only access) */
RAM (xrw) : ORIGIN = 0x20000000, LENGTH = 128K /* Main RAM (bus matrix)*/
}
/* Stack start address (end of 128K RAM) */
_estack = ORIGIN(RAM) + LENGTH(RAM);
SECTIONS
{
.text :
{
/* The interrupt vector table */
. = ALIGN(4);
KEEP(*(.isr_vector .isr_vector.*))
/* The program code */
. = ALIGN(4);
*(.text .text*)
*(.rodata .rodata*)
/* ARM-Thumb code */
*(.glue_7) *(.glue_7t)
. = ALIGN(4);
KEEP(*(.init))
KEEP(*(.fini))
/* EABI C++ global constructors support */
. = ALIGN(4);
__preinit_array_start = .;
KEEP (*(.preinit_array))
__preinit_array_end = .;
/* EABI C++ global constructors support */
. = ALIGN(4);
__init_array_start = .;
KEEP (*(SORT(.init_array.*)))
KEEP (*(.init_array))
__init_array_end = .;
/* EABI C++ global constructors support */
. = ALIGN(4);
__fini_array_start = .;
KEEP (*(.fini_array))
KEEP (*(SORT(.fini_array.*)))
__fini_array_end = .;
} > ROM
/* ARM sections containing exception unwinding information */
.ARM.extab : {
__extab_start = .;
*(.ARM.extab* .gnu.linkonce.armextab.*)
__extab_end = .;
} > ROM
/* ARM index entries for section unwinding */
.ARM.exidx : {
__exidx_start = .;
*(.ARM.exidx*)
__exidx_end = .;
} > ROM
/* Start address for the initialization values of the .data section */
_sidata = .;
/* The .data section (initialized data) */
.data : AT ( _sidata )
{
. = ALIGN(4);
_sdata = . ; /* Start address for the .data section */
*(.data .data*)
. = ALIGN(4);
_edata = . ; /* End address for the .data section */
} > RAM
/* The .bss section (uninitialized data) */
.bss :
{
. = ALIGN(4);
_sbss = .; /* Start address for the .bss section */
__bss_start__ = _sbss;
*(.bss)
*(.bss*)
*(COMMON)
. = ALIGN(4);
_ebss = . ; /* End address for the .bss section */
__bss_end__ = _ebss;
} > RAM
/* Space for heap and stack */
.heap_stack :
{
end = . ; /* 'end' symbol defines heap location */
_end = end ;
. = . + _min_heap_size; /* Additional space for heap and stack */
. = . + _min_stack_size;
} > RAM
/* Remove information from the standard libraries */
/DISCARD/ :
{
libc.a ( * )
libm.a ( * )
libgcc.a ( * )
}
}