Subversion Repositories openarty

/*******************************************************************************
*
* Filename:     arty.ld
*
* Project:      OpenArty, an entirely open SoC based upon the Arty platform
*
* Purpose:      This script provides a description of the memory on the Arty,
*               for the purposes of where to place programs in memory during
*               linking.
*
* Creator:      Dan Gisselquist, Ph.D.
*               Gisselquist Technology, LLC
*
********************************************************************************
*
* Copyright (C) 2016, Gisselquist Technology, LLC
*
* This program is free software (firmware): 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 MERCHANTIBILITY or
* FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
* for more details.
*
* License:      GPL, v3, as defined and found on www.gnu.org,
*               http://www.gnu.org/licenses/gpl.html
*
*
*******************************************************************************/

ENTRY(_start)

MEMORY
{
        blkram (wx) : ORIGIN = 0x0008000, LENGTH = 0x0008000
        flash  (rx) : ORIGIN = 0x0400000, LENGTH = 0x0400000
        sdram  (wx) : ORIGIN = 0x4000000, LENGTH = 0x4000000
}

_flash  = ORIGIN(flash);
_blkram = ORIGIN(blkram);
_sdram  = ORIGIN(sdram);
_top_of_stack = ORIGIN(blkram) + LENGTH(blkram) - 1;

SECTIONS
{
        .rocode 0x4e0000 : {
                _boot_address = .;
                *(.start) *(.boot)
                } > flash
        _kernel_image_start = . ;
        .fastcode : {
                *(.kernel)
                _kernel_image_end = . ;
                }> blkram AT> flash
        _sdram_image_start = . ;
        .ramcode : {
                *(.text)
                *(.rodata*) *(.strings)
                *(.data) *(COMMON) *(.bss)
                }> sdram AT> flash
        _sdram_image_end = . ;
        .bss : {
                *(.bss)
                _bss_image_end = . ;
                } > sdram
        _top_of_heap = .;
}