Subversion Repositories xulalx25soc

/*******************************************************************************

*

* Filename:     xulalink.x

*

* Project:      XuLA2-LX25 SoC

*

* Purpose:      This script provides a description of the XuLA2-LX25 SoC,

*               and specifically the memory bus that the Zip CPU would see,

*               for the purposes of where to place memory when 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 = 0x002000, LENGTH = 0x002000

        flash  (rx) : ORIGIN = 0x040000, LENGTH = 0x040000

        sdram  (wx) : ORIGIN = 0x800000, LENGTH = 0x800000

}

_top_of_stack = ORIGIN(blkram) + LENGTH(blkram) - 1;

SECTIONS

{

  . = 0x02000;

  .rocode 0x02000 : { *(.start) *(.text)

        *(.rodata)

        *(.strings) } > blkram

  .data : { *(.data) *(COMMON) *(.bss) } > blkram

  _top_of_heap = 0xf00000;

}