You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
125 lines
2.8 KiB
125 lines
2.8 KiB
/*
|
|
* This file is part of the libopencm3 project.
|
|
*
|
|
* Copyright (C) 2009 Uwe Hermann <uwe@hermann-uwe.de>
|
|
*
|
|
* This library is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU Lesser General Public License as published by
|
|
* the Free Software Foundation, either version 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This library 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 Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public License
|
|
* along with this library. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
/*
|
|
* This is a generic linker script for Cortex-M targets using libopencm3.
|
|
*
|
|
* Memory regions MUST be defined in the ld script which includes this one!
|
|
* Example:
|
|
|
|
MEMORY
|
|
{
|
|
rom (rx) : ORIGIN = 0x08000000, LENGTH = 256K
|
|
ram (rwx) : ORIGIN = 0x20000000, LENGTH = 16K
|
|
}
|
|
|
|
INCLUDE cortex-m-generic.ld
|
|
|
|
*/
|
|
|
|
/* Enforce emmition of the vector table. */
|
|
EXTERN (vector_table)
|
|
|
|
/* Define the entry point of the output file. */
|
|
ENTRY(reset_handler)
|
|
|
|
/* Define sections. */
|
|
SECTIONS
|
|
{
|
|
.text : {
|
|
*(.vectors) /* Vector table */
|
|
*(.text*) /* Program code */
|
|
. = ALIGN(4);
|
|
*(.rodata*) /* Read-only data */
|
|
. = ALIGN(4);
|
|
} >rom
|
|
|
|
/* C++ Static constructors/destructors, also used for __attribute__
|
|
* ((constructor)) and the likes */
|
|
.preinit_array : {
|
|
. = ALIGN(4);
|
|
__preinit_array_start = .;
|
|
KEEP (*(.preinit_array))
|
|
__preinit_array_end = .;
|
|
} >rom
|
|
.init_array : {
|
|
. = ALIGN(4);
|
|
__init_array_start = .;
|
|
KEEP (*(SORT(.init_array.*)))
|
|
KEEP (*(.init_array))
|
|
__init_array_end = .;
|
|
} >rom
|
|
.fini_array : {
|
|
. = ALIGN(4);
|
|
__fini_array_start = .;
|
|
KEEP (*(.fini_array))
|
|
KEEP (*(SORT(.fini_array.*)))
|
|
__fini_array_end = .;
|
|
} >rom
|
|
|
|
/*
|
|
* Another section used by C++ stuff, appears when using newlib with
|
|
* 64bit (long long) printf support
|
|
*/
|
|
.ARM.extab : {
|
|
*(.ARM.extab*)
|
|
} >rom
|
|
.ARM.exidx : {
|
|
__exidx_start = .;
|
|
*(.ARM.exidx*)
|
|
__exidx_end = .;
|
|
} >rom
|
|
|
|
. = ALIGN(4);
|
|
_etext = .;
|
|
|
|
/* ram, but not cleared on reset, eg boot/app comms */
|
|
.noinit (NOLOAD) : {
|
|
*(.noinit*)
|
|
} >ram
|
|
. = ALIGN(4);
|
|
|
|
.data : {
|
|
_data = .;
|
|
*(.data*) /* Read-write initialized data */
|
|
*(.ramtext*) /* "text" functions to run in ram */
|
|
. = ALIGN(4);
|
|
_edata = .;
|
|
} >ram AT >rom
|
|
_data_loadaddr = LOADADDR(.data);
|
|
|
|
.bss : {
|
|
*(.bss*) /* Read-write zero initialized data */
|
|
*(COMMON)
|
|
. = ALIGN(4);
|
|
_ebss = .;
|
|
} >ram
|
|
|
|
/*
|
|
* The .eh_frame section appears to be used for C++ exception handling.
|
|
* You may need to fix this if you're using C++.
|
|
*/
|
|
/DISCARD/ : { *(.eh_frame) }
|
|
|
|
. = ALIGN(4);
|
|
end = .;
|
|
}
|
|
|
|
PROVIDE(_stack = ORIGIN(ram) + LENGTH(ram));
|
|
|
|
|