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diff --git a/target_firmware/magpie_fw_dev/build/magpie_1_1/sboot/athos/src/xtos/double-vector.S b/target_firmware/magpie_fw_dev/build/magpie_1_1/sboot/athos/src/xtos/double-vector.S
deleted file mode 100755
index ad96144..0000000
--- a/target_firmware/magpie_fw_dev/build/magpie_1_1/sboot/athos/src/xtos/double-vector.S
+++ /dev/null
@@ -1,98 +0,0 @@
-// double-vector.S  --  Double Exception Vector
-// $Id: //depot/rel/Cottonwood/Xtensa/OS/xtos/double-vector.S#3 $
-
-// Copyright (c) 2000-2004, 2006, 2010 Tensilica Inc.
-//
-// 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:
-//
-// The above copyright notice and this permission notice shall be included
-// in all copies or substantial portions of the Software.
-//
-// 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.
-
-#include <xtensa/coreasm.h>
-#include <xtensa/config/system.h>
-#include <xtensa/config/specreg.h>
-#ifdef SIMULATOR
-#include <xtensa/simcall.h>
-#endif
-
-
-#if XCHAL_HAVE_EXCEPTIONS && defined(XCHAL_DOUBLEEXC_VECTOR_VADDR)
-
-/*
- *  This is a very minimalist implementation of the double
- *  exception vector.  For XEA2 configurations without a
- *  full MMU, this vector is only expected to be executed
- *  upon fatal errors (exceptions that occur within critical
- *  sections of exception vectors and handlers).
- *
- *  For configurations with a full MMU (ie. with TLBs and
- *  auto-refill) and the windowed address registers option,
- *  a more complete version of this handler is necessary if:
- *  dynamic page mapping is implemented, and the stack
- *  can ever point to a dynamically mapped area.
- *  In this case, a double exception is a normal occurrence
- *  when a stack access within a window handler causes
- *  a TLB miss exception or other expected MMU fault.
- *  XTOS does not support this scenario, hence a minimalist
- *  double exception vector is sufficient.
- */
-
-	.begin	literal_prefix	.DoubleExceptionVector
-	.section		.DoubleExceptionVector.text, "ax"
-
-	.align 4
-	.global	_DoubleExceptionVector
-_DoubleExceptionVector:
-#  if XCHAL_HAVE_DEBUG
-1:	break	1,4			// unhandled double exception
-#  elif defined(SIMULATOR)
-	wsr	a2, EXCSAVE1		// save a2 where simulator expects it
-	movi	a2, SYS_unhandled_double_exc
-1:	simcall				// let simulator/debugger report unhandled exception
-#  else
-1:
-#  endif
-	j	1b			// infinite loop
-
-	// NOTE:  a non-minimalist vector may choose to
-	// process the double exception in the vector itself
-	// (by default, much more space is allocated to double
-	// exception vectors than to most other vectors);
-	// or, to jump to a double exception handler located
-	// elsewhere.  If only the normal case of double
-	// exceptions occurring within a window handler is
-	// being handled, then it is safe to use EXCSAVE_1 to
-	// do this jump (window handlers don't use EXCSAVE_1).
-	// For example:
-	//
-	//	wsr	a0, EXCSAVE_1
-	//	movi	a0, _DoubleExceptionFromVector
-	//	jx	a0
-	//
-	//	.text
-	//	.align	4
-	//	.global _DoubleExceptionFromVector
-	//_DoubleExceptionFromVector:
-	//	...
-
-
-	.size	_DoubleExceptionVector, . - _DoubleExceptionVector
-	.text
-	.end	literal_prefix
-
-#endif /* have double exceptions */
-