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/*
******************************************************************************
**
** File : LinkerScript.ld
**
** Author : Auto-generated by STM32CubeIDE
**
** Abstract : Linker script for NUCLEO-L152RE Board embedding STM32L152RETx Device from STM32L1 series
** 512Kbytes FLASH
** 80Kbytes RAM
**
** Set heap size, stack size and stack location according
** to application requirements.
**
** Set memory bank area and size if external memory is used.
**
** Target : STMicroelectronics STM32
**
** Distribution: The file is distributed as is without any warranty
** of any kind.
**
*****************************************************************************
** @attention
**
** <h2><center>© COPYRIGHT(c) 2020 STMicroelectronics</center></h2>
**
** Redistribution and use in source and binary forms, with or without modification,
** are permitted provided that the following conditions are met:
** 1. Redistributions of source code must retain the above copyright notice,
** this list of conditions and the following disclaimer.
** 2. Redistributions in binary form must reproduce the above copyright notice,
** this list of conditions and the following disclaimer in the documentation
** and/or other materials provided with the distribution.
** 3. Neither the name of STMicroelectronics nor the names of its contributors
** may be used to endorse or promote products derived from this software
** without specific prior written permission.
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
** AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
** IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
** DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
** FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
** DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
** SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
** CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
** OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
**
*****************************************************************************
*/
/* Entry Point. */
ENTRY(Reset_Handler)
/* Highest address of the user mode stack. */
_estack = ORIGIN(RAM) + LENGTH(RAM); /* end of "RAM" Ram type memory. */
_Min_Heap_Size = 0x200 ; /* Required amount of heap. */
_Min_Stack_Size = 0x400 ; /* Required amount of stack. */
/* Memories definition. */
/* ARMv7M MPU requires that the base address of a MPU region must be aligned to
* an interger mutiple of the region size and the region size can only be a
* power of 2. We, therefore, are not using last 16K of RAM. */
MEMORY
{
RAM (xrw) : ORIGIN = 0x20000000, LENGTH = 64K
RAM_UNUSED (xrw) : ORIGIN = 0x20010000, LENGTH = 16K
FLASH (rx) : ORIGIN = 0x8000000, LENGTH = 512K
}
/* Initial 32K Flash is used to store kernel functions and
* initial 512 bytes of RAM is used to store kernel data. */
__privileged_functions_region_size__ = 32K;
__privileged_data_region_size__ = 512;
__FLASH_segment_start__ = ORIGIN( FLASH );
__FLASH_segment_end__ = __FLASH_segment_start__ + LENGTH( FLASH );
__SRAM_segment_start__ = ORIGIN( RAM );
__SRAM_segment_end__ = __SRAM_segment_start__ + LENGTH( RAM );
__privileged_functions_start__ = __FLASH_segment_start__;
__privileged_functions_end__ = __FLASH_segment_start__ + __privileged_functions_region_size__;
__privileged_data_start__ = __SRAM_segment_start__;
__privileged_data_end__ = __SRAM_segment_start__ + __privileged_data_region_size__;
/* Sections. */
SECTIONS
{
/* The startup code and FreeRTOS kernel code are placed into privileged
* flash. */
.privileged_functions :
{
. = ALIGN(4);
KEEP(*(.isr_vector)) /* Startup code */
. = ALIGN(4);
*(privileged_functions)
. = ALIGN(4);
FILL(0xDEAD);
/* Ensure that un-privileged code is placed after the region reserved
* for privileged kernel code. */
/* Note that dot (.) actually refers to the byte offset from the start
* of the current section (.privileged_functions in this case). As a
* result, setting dot (.) to a value sets the size of the section. */
. = __privileged_functions_region_size__;
} >FLASH
/* The rest of the program code and other data into the remaining
* unprivileged flash. */
.text :
{
/* Place the FreeRTOS System Calls first in the unprivileged region. */
. = ALIGN(4);
__syscalls_flash_start__ = .;
*(freertos_system_calls)
__syscalls_flash_end__ = .;
. = ALIGN(4);
*(.text) /* .text sections (code). */
*(.text*) /* .text* sections (code). */
*(.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
/* Constant data into "FLASH" Rom type memory. */
.rodata :
{
. = ALIGN(4);
*(.rodata) /* .rodata sections (constants, strings, etc.). */
*(.rodata*) /* .rodata* sections (constants, strings, etc.). */
. = ALIGN(4);
} >FLASH
.ARM.extab :
{
. = ALIGN(4);
*(.ARM.extab* .gnu.linkonce.armextab.*)
. = ALIGN(4);
} >FLASH
.ARM :
{
. = ALIGN(4);
__exidx_start = .;
*(.ARM.exidx*)
__exidx_end = .;
. = ALIGN(4);
} >FLASH
.preinit_array :
{
. = ALIGN(4);
PROVIDE_HIDDEN (__preinit_array_start = .);
KEEP (*(.preinit_array*))
PROVIDE_HIDDEN (__preinit_array_end = .);
. = ALIGN(4);
} >FLASH
.init_array :
{
. = ALIGN(4);
PROVIDE_HIDDEN (__init_array_start = .);
KEEP (*(SORT(.init_array.*)))
KEEP (*(.init_array*))
PROVIDE_HIDDEN (__init_array_end = .);
. = ALIGN(4);
} >FLASH
.fini_array :
{
. = ALIGN(4);
PROVIDE_HIDDEN (__fini_array_start = .);
KEEP (*(SORT(.fini_array.*)))
KEEP (*(.fini_array*))
PROVIDE_HIDDEN (__fini_array_end = .);
. = ALIGN(4);
} >FLASH
/* Used by the startup to initialize data. */
_sidata = LOADADDR(.privileged_data);
/* FreeRTOS kernel data. */
.privileged_data :
{
. = ALIGN(4);
_sdata = .; /* Create a global symbol at data start. */
*(privileged_data)
. = ALIGN(4);
FILL(0xDEAD);
/* Ensure that un-privileged data is placed after the region reserved
* for privileged kernel data. */
/* Note that dot (.) actually refers to the byte offset from the start
* of the current section (.privileged_data in this case). As a result,
* setting dot (.) to a value sets the size of the section. */
. = __privileged_data_region_size__;
} >RAM AT> FLASH
/* Initialized data sections into "RAM" Ram type memory. */
.data :
{
. = ALIGN(4);
*(.data) /* .data sections. */
*(.data*) /* .data* sections. */
. = ALIGN(4);
_edata = .; /* define a global symbol at data end. */
} >RAM AT> FLASH
/* Uninitialized data section into "RAM" Ram type memory. */
. = 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" Ram
* type memory left. */
._user_heap_stack :
{
. = ALIGN(8);
PROVIDE ( end = . );
PROVIDE ( _end = . );
. = . + _Min_Heap_Size;
. = . + _Min_Stack_Size;
. = ALIGN(8);
} >RAM
/* Remove information from the compiler libraries. */
/DISCARD/ :
{
libc.a ( * )
libm.a ( * )
libgcc.a ( * )
}
.ARM.attributes 0 : { *(.ARM.attributes) }
}
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