/*******************************************************************************
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/*******************************************************************************
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*
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*
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* Filename: arty.ld
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* Filename: arty.ld
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*
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*
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* Project: OpenArty, an entirely open SoC based upon the Arty platform
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* Project: OpenArty, an entirely open SoC based upon the Arty platform
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*
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*
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* Purpose: This script provides a description of the memory on the Arty,
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* Purpose: This script provides a description of the memory on the Arty,
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* for the purposes of where to place programs in memory during
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* for the purposes of where to place programs in memory during
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* linking.
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* linking.
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*
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*
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* Creator: Dan Gisselquist, Ph.D.
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* Creator: Dan Gisselquist, Ph.D.
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* Gisselquist Technology, LLC
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* Gisselquist Technology, LLC
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*
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*
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********************************************************************************
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********************************************************************************
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*
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*
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* Copyright (C) 2016, Gisselquist Technology, LLC
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* Copyright (C) 2016, Gisselquist Technology, LLC
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*
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*
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* This program is free software (firmware): you can redistribute it and/or
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* This program is free software (firmware): you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as published
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* modify it under the terms of the GNU General Public License as published
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* by the Free Software Foundation, either version 3 of the License, or (at
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* by the Free Software Foundation, either version 3 of the License, or (at
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* your option) any later version.
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* your option) any later version.
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*
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTIBILITY or
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* ANY WARRANTY; without even the implied warranty of MERCHANTIBILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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* for more details.
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*
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*
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* License: GPL, v3, as defined and found on www.gnu.org,
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* License: GPL, v3, as defined and found on www.gnu.org,
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* http://www.gnu.org/licenses/gpl.html
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* http://www.gnu.org/licenses/gpl.html
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*
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*
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*
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*
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*******************************************************************************/
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*******************************************************************************/
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ENTRY(_start)
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ENTRY(_start)
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MEMORY
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MEMORY
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{
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{
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blkram (wx) : ORIGIN = 0x0008000, LENGTH = 0x0008000
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blkram (wx) : ORIGIN = 0x0008000, LENGTH = 0x0008000
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flash (rx) : ORIGIN = 0x0400000, LENGTH = 0x0400000
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flash (rx) : ORIGIN = 0x0400000, LENGTH = 0x0400000
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sdram (wx) : ORIGIN = 0x4000000, LENGTH = 0x4000000
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sdram (wx) : ORIGIN = 0x4000000, LENGTH = 0x4000000
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}
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}
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_flash = ORIGIN(flash);
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_flash = ORIGIN(flash);
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_blkram = ORIGIN(blkram);
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_blkram = ORIGIN(blkram);
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_sdram = ORIGIN(sdram);
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_sdram = ORIGIN(sdram);
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_top_of_stack = ORIGIN(blkram) + LENGTH(blkram) - 1;
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_top_of_stack = ORIGIN(blkram) + LENGTH(blkram) - 1;
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SECTIONS
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SECTIONS
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{
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{
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.rocode 0x4e0000 : {
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.rocode 0x4e0000 : {
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_boot_address = .;
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_boot_address = .;
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*(.start) *(.boot)
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*(.start) *(.boot)
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*(.text.startup)
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} > flash
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} > flash
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_kernel_image_start = . ;
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_kernel_image_start = . ;
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.fastcode : {
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.fastcode : {
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*(.kernel)
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*(.kernel)
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_kernel_image_end = . ;
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_kernel_image_end = . ;
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}> blkram AT> flash
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}> blkram AT> flash
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_sdram_image_start = . ;
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_sdram_image_start = . ;
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.ramcode : {
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.ramcode : {
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*(.text.startup)
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*(.text)
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*(.text)
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*(.rodata*) *(.strings)
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*(.rodata*) *(.strings)
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*(.data) *(COMMON) *(.bss)
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*(.data) *(COMMON)
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}> sdram AT> flash
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}> sdram AT> flash
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_sdram_image_end = . ;
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_sdram_image_end = . ;
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.bss : {
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.bss : {
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*(.bss)
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*(.bss)
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_bss_image_end = . ;
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_bss_image_end = . ;
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} > sdram
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} > sdram
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_top_of_heap = .;
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_top_of_heap = .;
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}
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}
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