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/**
* @file linker.ld
*
* Copyright (C) 2018 Clyne Sullivan
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
/* enter at the reset handler */
ENTRY(Reset_Handler)
/* description of memory regions */
MEMORY {
FLASH (rx) : ORIGIN = 0x08000000, LENGTH = 1024K
RAM (rwx) : ORIGIN = 0x20000000, LENGTH = 96K
}
/* description of ELF sections */
SECTIONS {
/* keep startup code at beginning */
.isr_vector : {
. = ALIGN(8);
KEEP(*(.isr_vector))
. = ALIGN(8);
} > FLASH
/* other code sections */
.text : {
. = ALIGN(8);
*(.text)
*(.text*)
KEEP(*(.init))
KEEP(*(.fini))
. = ALIGN(8);
} > FLASH
/* read-only data sections */
.rodata : {
. = ALIGN(8);
*(.rodata)
*(.rodata*)
*(.eh_frame)
. = ALIGN(8);
} > FLASH
/* ARM stuff */
.ARM.exidx : {
*(.ARM.exidx)
} > FLASH
/* init_array/fini_array (TODO understand this) */
.init_array : {
__init_array_start = .;
KEEP(*(.init_array.*))
KEEP(*(.init_array*))
__init_array_end = .;
} > FLASH
.fini_array : {
__fini_array_start = .;
KEEP(*(.fini_array.*))
KEEP(*(.fini_array*))
__fini_array_end = .;
} > FLASH
/* initialized data */
_sidata = LOADADDR(.data);
.data : {
. = ALIGN(8);
_sdata = .;
*(.data)
. = ALIGN(8);
_edata = .;
} > RAM AT > FLASH
/* uninitialized data */
.bss : {
. = ALIGN(8);
__bss_start__ = .;
*(.bss)
. = ALIGN(8);
__bss_end__ = .;
} > RAM
}
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