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)

                *(.text.startup)

                } > flash

        _kernel_image_start = . ;

        .fastcode : {

                *(.kernel)

                _kernel_image_end = . ;

                }> blkram AT> flash

        _sdram_image_start = . ;

        .ramcode : {

                *(.text.startup)

                *(.text)

                *(.rodata*) *(.strings)

                *(.data) *(COMMON)

                }> sdram AT> flash

        _sdram_image_end = . ;

        .bss : {

                *(.bss)

                _bss_image_end = . ;

                } > sdram

        _top_of_heap = .;

}