stm32f4-nucleo-test/libopencm3/ld/linker.ld.S
Arti Zirk 2de3a91b0a git subrepo clone https://github.com/libopencm3/libopencm3.git
subrepo:
  subdir:   "libopencm3"
  merged:   "88e91c9a7cce"
upstream:
  origin:   "https://github.com/libopencm3/libopencm3.git"
  branch:   "master"
  commit:   "88e91c9a7cce"
git-subrepo:
  version:  "0.4.3"
  origin:   "???"
  commit:   "???"
2023-01-21 18:31:08 +02:00

242 lines
4.6 KiB
ArmAsm

/*
* This file is part of the libopencm3 project.
*
* Copyright (C) 2009 Uwe Hermann <uwe@hermann-uwe.de>
* Copyright (C) 2013 Frantisek Burian <BuFran@seznam.cz>
*
* 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/>.
*/
/* Generic linker script for all targets using libopencm3. */
/* Enforce emmition of the vector table. */
EXTERN(vector_table)
/* Define the entry point of the output file. */
ENTRY(reset_handler)
/* Define memory regions. */
MEMORY
{
/* RAM is always used */
ram (rwx) : ORIGIN = _RAM_OFF, LENGTH = _RAM
#if defined(_ROM)
rom (rx) : ORIGIN = _ROM_OFF, LENGTH = _ROM
#endif
#if defined(_ROM1)
rom1 (rx) : ORIGIN = _ROM1_OFF, LENGTH = _ROM1
#endif
#if defined(_ROM2)
rom2 (rx) : ORIGIN = _ROM2_OFF, LENGTH = _ROM2
#endif
#if defined(_RAM1)
ram1 (rwx) : ORIGIN = _RAM1_OFF, LENGTH = _RAM1
#endif
#if defined(_RAM2)
ram2 (rwx) : ORIGIN = _RAM2_OFF, LENGTH = _RAM2
#endif
#if defined(_RAM3)
ram3 (rwx) : ORIGIN = _RAM3_OFF, LENGTH = _RAM3
#endif
#if defined(_RAM4)
ram4 (rwx) : ORIGIN = _RAM4_OFF, LENGTH = _RAM4
#endif
#if defined(_RAM5)
ram5 (rwx) : ORIGIN = _RAM5_OFF, LENGTH = _RAM5
#endif
#if defined(_CCM)
ccm (rwx) : ORIGIN = _CCM_OFF, LENGTH = _CCM
#endif
#if defined(_EEP)
eep (r) : ORIGIN = _EEP_OFF, LENGTH = _EEP
#endif
#if defined(_XSRAM)
xsram (rw) : ORIGIN = _XSRAM_OFF, LENGTH = _XSRAM
#endif
#if defined(_XDRAM)
xdram (rw) : ORIGIN = _XDRAM_OFF, LENGTH = _XDRAM
#endif
#if defined(_NFCRAM)
nfcram (rw) : ORIGIN _NFCRAM_OFF, LENGTH = _NFCRAM
#endif
}
/* 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
#if defined(_CCM)
.ccm : {
_ccm = .;
*(.ccmram*)
. = ALIGN(4);
_eccm = .;
} >ccm
#endif
#if defined(_RAM1)
.ram1 : {
_ram1 = .;
*(.ram1*)
. = ALIGN(4);
_eram1 = .;
} >ram1
#endif
#if defined(_RAM2)
.ram2 : {
_ram2 = .;
*(.ram2*)
. = ALIGN(4);
_eram2 = .;
} >ram2
#endif
#if defined(_RAM3)
.ram3 : {
_ram3 = .;
*(.ram3*)
. = ALIGN(4);
_eram3 = .;
} >ram3
#endif
#if defined(_RAM4)
.ram4 : {
_ram4 = .;
*(.ram4*)
. = ALIGN(4);
_eram4 = .;
} >ram4
#endif
#if defined(_RAM5)
.ram5 : {
_ram5 = .;
*(.ram5*)
. = ALIGN(4);
_eram5 = .;
} >ram5
#endif
#if defined(_XSRAM)
.xsram : {
_xsram = .;
*(.xsram*)
. = ALIGN(4);
_exsram = .;
} >xsram
#endif
#if defined(_XDRAM)
.xdram : {
_xdram = .;
*(.xdram*)
. = ALIGN(4);
_exdram = .;
} >xdram
#endif
#if defined(_NFCRAM)
.nfcram : {
_nfcram = .;
*(.nfcram*)
. = ALIGN(4);
_enfcram = .;
} >nfcram
#endif
/*
* 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));