242 lines
4.6 KiB
ArmAsm
242 lines
4.6 KiB
ArmAsm
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/*
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* This file is part of the libopencm3 project.
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*
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* Copyright (C) 2009 Uwe Hermann <uwe@hermann-uwe.de>
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* Copyright (C) 2013 Frantisek Burian <BuFran@seznam.cz>
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*
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* This library is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this library. If not, see <http://www.gnu.org/licenses/>.
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*/
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/* Generic linker script for all targets using libopencm3. */
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/* Enforce emmition of the vector table. */
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EXTERN(vector_table)
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/* Define the entry point of the output file. */
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ENTRY(reset_handler)
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/* Define memory regions. */
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MEMORY
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{
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/* RAM is always used */
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ram (rwx) : ORIGIN = _RAM_OFF, LENGTH = _RAM
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#if defined(_ROM)
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rom (rx) : ORIGIN = _ROM_OFF, LENGTH = _ROM
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#endif
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#if defined(_ROM1)
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rom1 (rx) : ORIGIN = _ROM1_OFF, LENGTH = _ROM1
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#endif
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#if defined(_ROM2)
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rom2 (rx) : ORIGIN = _ROM2_OFF, LENGTH = _ROM2
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#endif
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#if defined(_RAM1)
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ram1 (rwx) : ORIGIN = _RAM1_OFF, LENGTH = _RAM1
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#endif
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#if defined(_RAM2)
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ram2 (rwx) : ORIGIN = _RAM2_OFF, LENGTH = _RAM2
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#endif
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#if defined(_RAM3)
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ram3 (rwx) : ORIGIN = _RAM3_OFF, LENGTH = _RAM3
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#endif
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#if defined(_RAM4)
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ram4 (rwx) : ORIGIN = _RAM4_OFF, LENGTH = _RAM4
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#endif
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#if defined(_RAM5)
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ram5 (rwx) : ORIGIN = _RAM5_OFF, LENGTH = _RAM5
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#endif
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#if defined(_CCM)
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ccm (rwx) : ORIGIN = _CCM_OFF, LENGTH = _CCM
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#endif
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#if defined(_EEP)
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eep (r) : ORIGIN = _EEP_OFF, LENGTH = _EEP
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#endif
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#if defined(_XSRAM)
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xsram (rw) : ORIGIN = _XSRAM_OFF, LENGTH = _XSRAM
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#endif
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#if defined(_XDRAM)
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xdram (rw) : ORIGIN = _XDRAM_OFF, LENGTH = _XDRAM
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#endif
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#if defined(_NFCRAM)
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nfcram (rw) : ORIGIN _NFCRAM_OFF, LENGTH = _NFCRAM
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#endif
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}
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/* Define sections. */
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SECTIONS
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{
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.text : {
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*(.vectors) /* Vector table */
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*(.text*) /* Program code */
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. = ALIGN(4);
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*(.rodata*) /* Read-only data */
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. = ALIGN(4);
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} >rom
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/* C++ Static constructors/destructors, also used for
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* __attribute__((constructor)) and the likes.
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*/
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.preinit_array : {
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. = ALIGN(4);
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__preinit_array_start = .;
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KEEP (*(.preinit_array))
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__preinit_array_end = .;
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} >rom
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.init_array : {
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. = ALIGN(4);
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__init_array_start = .;
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KEEP (*(SORT(.init_array.*)))
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KEEP (*(.init_array))
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__init_array_end = .;
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} >rom
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.fini_array : {
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. = ALIGN(4);
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__fini_array_start = .;
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KEEP (*(.fini_array))
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KEEP (*(SORT(.fini_array.*)))
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__fini_array_end = .;
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} >rom
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/*
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* Another section used by C++ stuff, appears when using newlib with
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* 64bit (long long) printf support
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*/
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.ARM.extab : {
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*(.ARM.extab*)
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} >rom
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.ARM.exidx : {
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__exidx_start = .;
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*(.ARM.exidx*)
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__exidx_end = .;
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} >rom
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. = ALIGN(4);
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_etext = .;
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/* ram, but not cleared on reset, eg boot/app comms */
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.noinit (NOLOAD) : {
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*(.noinit*)
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} >ram
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. = ALIGN(4);
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.data : {
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_data = .;
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*(.data*) /* Read-write initialized data */
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*(.ramtext*) /* "text" functions to run in ram */
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. = ALIGN(4);
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_edata = .;
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} >ram AT >rom
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_data_loadaddr = LOADADDR(.data);
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.bss : {
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*(.bss*) /* Read-write zero initialized data */
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*(COMMON)
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. = ALIGN(4);
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_ebss = .;
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} >ram
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#if defined(_CCM)
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.ccm : {
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_ccm = .;
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*(.ccmram*)
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. = ALIGN(4);
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_eccm = .;
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} >ccm
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#endif
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#if defined(_RAM1)
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.ram1 : {
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_ram1 = .;
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*(.ram1*)
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. = ALIGN(4);
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_eram1 = .;
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} >ram1
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#endif
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#if defined(_RAM2)
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.ram2 : {
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_ram2 = .;
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*(.ram2*)
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. = ALIGN(4);
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_eram2 = .;
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} >ram2
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#endif
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#if defined(_RAM3)
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.ram3 : {
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_ram3 = .;
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*(.ram3*)
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. = ALIGN(4);
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_eram3 = .;
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} >ram3
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#endif
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#if defined(_RAM4)
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.ram4 : {
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_ram4 = .;
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*(.ram4*)
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. = ALIGN(4);
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_eram4 = .;
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} >ram4
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#endif
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#if defined(_RAM5)
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.ram5 : {
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_ram5 = .;
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*(.ram5*)
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. = ALIGN(4);
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_eram5 = .;
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} >ram5
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#endif
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#if defined(_XSRAM)
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.xsram : {
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_xsram = .;
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*(.xsram*)
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. = ALIGN(4);
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_exsram = .;
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} >xsram
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#endif
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#if defined(_XDRAM)
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.xdram : {
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_xdram = .;
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*(.xdram*)
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. = ALIGN(4);
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_exdram = .;
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} >xdram
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#endif
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#if defined(_NFCRAM)
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.nfcram : {
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_nfcram = .;
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*(.nfcram*)
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. = ALIGN(4);
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_enfcram = .;
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} >nfcram
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#endif
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/*
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* The .eh_frame section appears to be used for C++ exception handling.
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* You may need to fix this if you're using C++.
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*/
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/DISCARD/ : { *(.eh_frame) }
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. = ALIGN(4);
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end = .;
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}
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PROVIDE(_stack = ORIGIN(ram) + LENGTH(ram));
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