You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
242 lines
7.9 KiB
Plaintext
242 lines
7.9 KiB
Plaintext
4 years ago
|
/*--------------------------------------------------------------------------
|
||
|
|
* MPLAB XC32 Compiler - ATSAMD21E17D linker script
|
||
|
|
*
|
||
|
|
* Copyright (c) 2020, Microchip Technology Inc. and its subsidiaries ("Microchip")
|
||
|
|
* All rights reserved.
|
||
|
|
*
|
||
|
|
* This software is developed by Microchip Technology Inc. and its
|
||
|
|
* subsidiaries ("Microchip").
|
||
|
|
*
|
||
|
|
* 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. Microchip's name may not be used to endorse or promote products
|
||
|
|
* derived from this software without specific prior written
|
||
|
|
* permission.
|
||
|
|
*
|
||
|
|
* THIS SOFTWARE IS PROVIDED BY MICROCHIP "AS IS" AND ANY EXPRESS OR IMPLIED
|
||
|
|
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
|
||
|
|
* MERCHANTABILITY AND FITNESS FOR PURPOSE ARE DISCLAIMED. IN NO EVENT
|
||
|
|
* SHALL MICROCHIP 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) HOWSOEVER 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.
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
|
||
|
|
OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm")
|
||
|
|
OUTPUT_ARCH(arm)
|
||
|
|
SEARCH_DIR(.)
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Define the __XC32_RESET_HANDLER_NAME macro on the command line when you
|
||
|
|
* want to use a different name for the Reset Handler function.
|
||
|
|
*/
|
||
|
|
#ifndef __XC32_RESET_HANDLER_NAME
|
||
|
|
#define __XC32_RESET_HANDLER_NAME Reset_Handler
|
||
|
|
#endif /* __XC32_RESET_HANDLER_NAME */
|
||
|
|
|
||
|
|
/* Set the entry point in the ELF file. Once the entry point is in the ELF
|
||
|
|
* file, you can then use the --write-sla option to xc32-bin2hex to place
|
||
|
|
* the address into the hex file using the SLA field (RECTYPE 5). This hex
|
||
|
|
* record may be useful for a bootloader that needs to determine the entry
|
||
|
|
* point to the application.
|
||
|
|
*/
|
||
|
|
ENTRY(__XC32_RESET_HANDLER_NAME)
|
||
|
|
|
||
|
|
/*************************************************************************
|
||
|
|
* Memory-Region Macro Definitions
|
||
|
|
* The XC32 linker preprocesses linker scripts. You may define these
|
||
|
|
* macros in the MPLAB X project properties or on the command line when
|
||
|
|
* calling the linker via the xc32-gcc shell.
|
||
|
|
*************************************************************************/
|
||
|
|
|
||
|
|
#ifndef ROM_ORIGIN
|
||
|
|
# define ROM_ORIGIN 0x0
|
||
|
|
#endif
|
||
|
|
#ifndef ROM_LENGTH
|
||
|
|
# define ROM_LENGTH 0x20000
|
||
|
|
#elif (ROM_LENGTH > 0x20000)
|
||
|
|
# error ROM_LENGTH is greater than the max size of 0x20000
|
||
|
|
#endif
|
||
|
|
#ifndef RAM_ORIGIN
|
||
|
|
# define RAM_ORIGIN 0x20000000
|
||
|
|
#endif
|
||
|
|
#ifndef RAM_LENGTH
|
||
|
|
# define RAM_LENGTH 0x4000
|
||
|
|
#elif (RAM_LENGTH > 0x4000)
|
||
|
|
# error RAM_LENGTH is greater than the max size of 0x4000
|
||
|
|
#endif
|
||
|
|
|
||
|
|
|
||
|
|
/*************************************************************************
|
||
|
|
* Memory-Region Definitions
|
||
|
|
* The MEMORY command describes the location and size of blocks of memory
|
||
|
|
* on the target device. The command below uses the macros defined above.
|
||
|
|
*************************************************************************/
|
||
|
|
MEMORY
|
||
|
|
{
|
||
|
|
rom (LRX) : ORIGIN = ROM_ORIGIN, LENGTH = ROM_LENGTH
|
||
|
|
ram (WX!R) : ORIGIN = RAM_ORIGIN, LENGTH = RAM_LENGTH
|
||
|
|
config_00804000 : ORIGIN = 0x00804000, LENGTH = 0x4
|
||
|
|
config_00804004 : ORIGIN = 0x00804004, LENGTH = 0x4
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
/*************************************************************************
|
||
|
|
* Output region definitions.
|
||
|
|
* CODE_REGION defines the output region for .text/.rodata.
|
||
|
|
* DATA_REGION defines the output region for .data/.bss
|
||
|
|
* VECTOR_REGION defines the output region for .vectors.
|
||
|
|
*
|
||
|
|
* CODE_REGION defaults to 'rom', if rom is present (non-zero length),
|
||
|
|
* and 'ram' otherwise.
|
||
|
|
* DATA_REGION defaults to 'ram', which must be present.
|
||
|
|
* VECTOR_REGION defaults to CODE_REGION, unless 'boot_rom' is present.
|
||
|
|
*/
|
||
|
|
#ifndef CODE_REGION
|
||
|
|
# if ROM_LENGTH > 0
|
||
|
|
# define CODE_REGION rom
|
||
|
|
# else
|
||
|
|
# define CODE_REGION ram
|
||
|
|
# endif
|
||
|
|
#endif
|
||
|
|
#ifndef DATA_REGION
|
||
|
|
# define DATA_REGION ram
|
||
|
|
#endif
|
||
|
|
#ifndef VECTOR_REGION
|
||
|
|
# define VECTOR_REGION CODE_REGION
|
||
|
|
#endif
|
||
|
|
|
||
|
|
__rom_end = ORIGIN(rom) + LENGTH(rom);
|
||
|
|
__ram_end = ORIGIN(ram) + LENGTH(ram);
|
||
|
|
|
||
|
|
/*************************************************************************
|
||
|
|
* Section Definitions - Map input sections to output sections
|
||
|
|
*************************************************************************/
|
||
|
|
SECTIONS
|
||
|
|
{
|
||
|
|
.config_00804000 : {
|
||
|
|
KEEP(*(.config_00804000))
|
||
|
|
} > config_00804000
|
||
|
|
.config_00804004 : {
|
||
|
|
KEEP(*(.config_00804004))
|
||
|
|
} > config_00804004
|
||
|
|
|
||
|
|
/*
|
||
|
|
* The linker moves the .vectors section into itcm when itcm is
|
||
|
|
* enabled via the -mitcm option, but only when this .vectors output
|
||
|
|
* section exists in the linker script.
|
||
|
|
*/
|
||
|
|
.vectors :
|
||
|
|
{
|
||
|
|
. = ALIGN(4);
|
||
|
|
_sfixed = .;
|
||
|
|
KEEP(*(.vectors .vectors.* .vectors_default .vectors_default.*))
|
||
|
|
KEEP(*(.isr_vector))
|
||
|
|
KEEP(*(.reset*))
|
||
|
|
KEEP(*(.after_vectors))
|
||
|
|
} > VECTOR_REGION
|
||
|
|
/*
|
||
|
|
* Code Sections - Note that standard input sections such as
|
||
|
|
* *(.text), *(.text.*), *(.rodata), & *(.rodata.*)
|
||
|
|
* are not mapped here. The best-fit allocator locates them,
|
||
|
|
* so that input sections may flow around absolute sections
|
||
|
|
* as needed.
|
||
|
|
*/
|
||
|
|
.text :
|
||
|
|
{
|
||
|
|
. = ALIGN(4);
|
||
|
|
*(.glue_7t) *(.glue_7)
|
||
|
|
*(.gnu.linkonce.r.*)
|
||
|
|
*(.ARM.extab* .gnu.linkonce.armextab.*)
|
||
|
|
|
||
|
|
/* Support C constructors, and C destructors in both user code
|
||
|
|
and the C library. This also provides support for C++ code. */
|
||
|
|
. = ALIGN(4);
|
||
|
|
KEEP(*(.init))
|
||
|
|
. = ALIGN(4);
|
||
|
|
__preinit_array_start = .;
|
||
|
|
KEEP (*(.preinit_array))
|
||
|
|
__preinit_array_end = .;
|
||
|
|
|
||
|
|
. = ALIGN(4);
|
||
|
|
__init_array_start = .;
|
||
|
|
KEEP (*(SORT(.init_array.*)))
|
||
|
|
KEEP (*(.init_array))
|
||
|
|
__init_array_end = .;
|
||
|
|
|
||
|
|
. = ALIGN(0x4);
|
||
|
|
KEEP (*crtbegin.o(.ctors))
|
||
|
|
KEEP (*(EXCLUDE_FILE (*crtend.o) .ctors))
|
||
|
|
KEEP (*(SORT(.ctors.*)))
|
||
|
|
KEEP (*crtend.o(.ctors))
|
||
|
|
|
||
|
|
. = ALIGN(4);
|
||
|
|
KEEP(*(.fini))
|
||
|
|
|
||
|
|
. = ALIGN(4);
|
||
|
|
__fini_array_start = .;
|
||
|
|
KEEP (*(.fini_array))
|
||
|
|
KEEP (*(SORT(.fini_array.*)))
|
||
|
|
__fini_array_end = .;
|
||
|
|
|
||
|
|
KEEP (*crtbegin.o(.dtors))
|
||
|
|
KEEP (*(EXCLUDE_FILE (*crtend.o) .dtors))
|
||
|
|
KEEP (*(SORT(.dtors.*)))
|
||
|
|
KEEP (*crtend.o(.dtors))
|
||
|
|
|
||
|
|
. = ALIGN(4);
|
||
|
|
_efixed = .; /* End of text section */
|
||
|
|
} > CODE_REGION
|
||
|
|
|
||
|
|
/* .ARM.exidx is sorted, so has to go in its own output section. */
|
||
|
|
PROVIDE_HIDDEN (__exidx_start = .);
|
||
|
|
.ARM.exidx :
|
||
|
|
{
|
||
|
|
*(.ARM.exidx* .gnu.linkonce.armexidx.*)
|
||
|
|
} > CODE_REGION
|
||
|
|
PROVIDE_HIDDEN (__exidx_end = .);
|
||
|
|
|
||
|
|
. = ALIGN(4);
|
||
|
|
_etext = .;
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Align here to ensure that the .bss section occupies space up to
|
||
|
|
* _end. Align after .bss to ensure correct alignment even if the
|
||
|
|
* .bss section disappears because there are no input sections.
|
||
|
|
*
|
||
|
|
* Note that input sections named .bss* are no longer mapped here.
|
||
|
|
* The best-fit allocator locates them, so that they may flow
|
||
|
|
* around absolute sections as needed.
|
||
|
|
*/
|
||
|
|
.bss (NOLOAD) :
|
||
|
|
{
|
||
|
|
. = ALIGN(4);
|
||
|
|
__bss_start__ = .;
|
||
|
|
_sbss = . ;
|
||
|
|
_szero = .;
|
||
|
|
*(COMMON)
|
||
|
|
. = ALIGN(4);
|
||
|
|
__bss_end__ = .;
|
||
|
|
_ebss = . ;
|
||
|
|
_ezero = .;
|
||
|
|
} > DATA_REGION
|
||
|
|
|
||
|
|
. = ALIGN(4);
|
||
|
|
_end = . ;
|
||
|
|
_ram_end_ = ORIGIN(ram) + LENGTH(ram) -1 ;
|
||
|
|
|
||
|
|
}
|
||
|
|
|