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diff --git a/target_firmware/magpie_fw_dev/build/magpie_1_1/sboot/athos/src/xtos/intlevel-restore.S b/target_firmware/magpie_fw_dev/build/magpie_1_1/sboot/athos/src/xtos/intlevel-restore.S
deleted file mode 100755
index a1490e8..0000000
--- a/target_firmware/magpie_fw_dev/build/magpie_1_1/sboot/athos/src/xtos/intlevel-restore.S
+++ /dev/null
@@ -1,92 +0,0 @@
-// intlevel-restore.S - Interrupt related assembler code - _xtos_restore_intlevel
-
-// Copyright (c) 2004-2010 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/specreg.h>
-#include "xtos-internal.h"
-
-
-/***************************************************************************
- *  void  _xtos_restore_intlevel(unsigned restoreval);
- *
- *  _xtos_restore_intlevel() restores the current interrupt level
- *  according to a value returned by _xtos_set_intlevel() or
- *  _xtos_set_min_intlevel() (or one of the corresponding macros).
- *
- *  NOTE:  In XEA2, this function may restore the entire PS register, not
- *  just the PS.INTLEVEL field.  If some other PS field(s) must be changed
- *  and kept intact across restoring PS.INTLEVEL (this is generally unlikely),
- *  use the XTOS_RESTORE_JUST_INTLEVEL() macro instead (which is slower).
- *
- *  NOTE:  In XEA1, this function is implemented further below, identically
- *  to _xtos_set_vpri().
- *
- *  NOTE:  The macro form of this function (XTOS_RESTORE_INTLEVEL())
- *  is recommended (for XEA2 configs or where the config is unknown)
- *  because it may be more efficient.
- */
-
-	.text
-	.global	_xtos_restore_intlevel
-	.type	_xtos_restore_intlevel,@function
-#if XCHAL_HAVE_XEA2
-	.align 4
-_xtos_restore_intlevel:
-	abi_entry
-# if XCHAL_HAVE_INTERRUPTS
-	wsr	a2, PS		// restore PS
-	rsync			// wait for WSR to PS to complete
-# endif
-	abi_return
-	.size	_xtos_restore_intlevel, . - _xtos_restore_intlevel
-#endif
-
-
-
-/***************************************************************************
- *  _xtos_set_vpri() is used to set the current virtual priority from C code;
- *  it can be called from the application or from a C interrupt handler.
- */
-
-	.global	_xtos_set_vpri
-	.type	_xtos_set_vpri,@function
-	.align 4
-_xtos_set_vpri:
-#if XCHAL_HAVE_XEA1
-_xtos_restore_intlevel:
-#endif
-	abi_entry
-#if XCHAL_HAVE_INTERRUPTS && XTOS_VIRTUAL_INTENABLE
-	mov	a3, a2
-	movi	a4, _xtos_intstruct
-	xtos_lock	a7	// MUST USE highest address register of function to avoid window overflows in critical section
-	l32i	a2, a4, XTOS_VPRI_ENABLED_OFS	// return old xtos_vpri_enabled (current vpri)
-	l32i	a5, a4, XTOS_ENABLED_OFS	// a3 = xtos_enabled
-	s32i	a3, a4, XTOS_VPRI_ENABLED_OFS	// set new xtos_vpri_enabled (current vpri)
-	and	a5, a5, a3			// a5 = xtos_enabled & xtos_vpri_enabled
-	wsr	a5, INTENABLE
-	xtos_unlock	a7
-#endif /*XCHAL_HAVE_INTERRUPTS*/
-	abi_return
-	.size	_xtos_set_vpri, . - _xtos_set_vpri
-