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