73 lines
2.5 KiB
Plaintext
73 lines
2.5 KiB
Plaintext
/*
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* Copyright (c) 2018, Shawn D'silva <shawn@shawndsilva.com>
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* All rights reserved.
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*
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* This file 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 file 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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* File: TM4C123GH6PHM.ld
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* Author: Shawn D'silva <https://www.shawndsilva.com>.
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* Version: 1.0.0.
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* Description: linker file for the TM4C Launchpad
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*/
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MEMORY
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{
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FLASH (rx) : ORIGIN = 0x00000000, LENGTH = 256K /* FLASH size 256KB */
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RAM (rwx) : ORIGIN = 0x20000000, LENGTH = 32K/* RAM size 32KB */
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}
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SECTIONS
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{
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/*
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* initial stack pointer pointing to top of stack,starts from higher addresses
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* i.e ORIGIN(RAM) + LENGTH(RAM)-1 in this case 0x20007FFF to lower addesses i.e
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* those lesser than 0x20007FFF to 0x2000000,which is the origina address of RAM,
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* until it comes in contact with .bss or .data in which case a buffer overflow occurs
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*/
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PROVIDE( _stack_ptr = ORIGIN(RAM) + LENGTH(RAM));
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/* constants and other code stored in FLASH */
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.text :
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{
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_text = .; /* beginning of .text segment,also called code memory */
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KEEP(*(.vector_table)) /* vector table defined in startup.c to be included */
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*(.text*) /* other code */
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*(.rodata*) /* constants go here */
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_etext = .; /* end of .text segment */
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} > FLASH
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/* data, initialized variables, to be copied to RAM upon <RESET> by startup.c */
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.data :
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{
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_data = .; /* beginning of .data segment */
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*(.data*) /* data goes here */
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_edata = .; /* end of .data segment */
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} > RAM AT >FLASH /* .data segment starts directly after the .text section in FLASH */
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/* uninitialized data which is initialized to 0 upon <RESET> by startup.c */
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.bss :
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{
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_bss = .; /* beginning of .bss segment */
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*(.bss*) /* .bss content goes here */
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*(COMMON)
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_ebss = .; /* end of .bss segment */
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} > RAM
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}
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