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  • /* Teensyduino Core Library
     * http://www.pjrc.com/teensy/
     * Copyright (c) 2013 PJRC.COM, LLC.
     *
     * Permission is hereby granted, free of charge, to any person obtaining
     * a copy of this software and associated documentation files (the
     * "Software"), to deal in the Software without restriction, including
     * without limitation the rights to use, copy, modify, merge, publish,
     * distribute, sublicense, and/or sell copies of the Software, and to
     * permit persons to whom the Software is furnished to do so, subject to
     * the following conditions:
     *
     * 1. The above copyright notice and this permission notice shall be 
     * included in all copies or substantial portions of the Software.
     *
     * 2. If the Software is incorporated into a build system that allows 
     * selection among a list of target devices, then similar target
     * devices manufactured by PJRC.COM must be included in the list of
     * target devices and selectable in the same manner.
     *
     * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
     * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
     * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
     * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
     * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
     * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
     * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
     * SOFTWARE.
     */
    
    MEMORY
    {
    	FLASH (rx) : ORIGIN = 0x00000000, LENGTH = 128K
    	RAM  (rwx) : ORIGIN = 0x1FFFE000, LENGTH = 16K
    }
    
    
    SECTIONS
    {
    	.text : {
    		. = 0;
    		KEEP(*(.vectors))
    		*(.startup*)
    		/* TODO: does linker detect startup overflow onto flashconfig? */
    		. = 0x400;
    		KEEP(*(.flashconfig*))
    		*(.text*)
    		*(.rodata*)
    		. = ALIGN(4);
    		KEEP(*(.init))
    		. = ALIGN(4);
    		__preinit_array_start = .;
    		KEEP (*(.preinit_array))
    		__preinit_array_end = .;
    		__init_array_start = .;
    		KEEP (*(SORT(.init_array.*)))
    		KEEP (*(.init_array))
    		__init_array_end = .;
    	} > FLASH = 0xFF
    
    	.ARM.exidx : {
    		__exidx_start = .;
    		*(.ARM.exidx* .gnu.linkonce.armexidx.*)
    		__exidx_end = .;
    	} > FLASH
    	_etext = .;
    
    	.usbdescriptortable (NOLOAD) : {
    		/* . = ORIGIN(RAM); */
    		. = ALIGN(512);
    		*(.usbdescriptortable*)
    	} > RAM
    
    	.dmabuffers (NOLOAD) : {
    		. = ALIGN(4);
    		*(.dmabuffers*)
    	} > RAM
    
    	.usbbuffers (NOLOAD) : {
    		. = ALIGN(4);
    		*(.usbbuffers*)
    	} > RAM
    
    	.data : AT (_etext) {
    		. = ALIGN(4);
    		_sdata = .; 
    		*(.data*)
    		. = ALIGN(4);
    		_edata = .; 
    	} > RAM
    
    	.noinit (NOLOAD) : {
    		*(.noinit*)
    	} > RAM
    
    	.bss : {
    		. = ALIGN(4);
    		_sbss = .; 
    		*(.bss*)
    		*(COMMON)
    		. = ALIGN(4);
    		_ebss = .;
    		__bss_end = .;
    	} > RAM
    
    	_estack = ORIGIN(RAM) + LENGTH(RAM);
    }