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diff --git a/sboot/magpie_1_1/sboot/athos/src/xtos/exc-table.S b/sboot/magpie_1_1/sboot/athos/src/xtos/exc-table.S
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index 0000000..db6eaa5
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+++ b/sboot/magpie_1_1/sboot/athos/src/xtos/exc-table.S
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+// exc-table.S - general exception C handler table
+
+// Copyright (c) 1999-2010 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"
+
+
+#if XCHAL_HAVE_EXCEPTIONS
+
+	/*
+	 *  Table of exception handlers (in C) for user vectored exceptions.
+	 *  Provides entries for all possible 64 exception causes
+	 *  currently allowed for in the EXCCAUSE register.
+	 */
+	.data
+	.global	_xtos_c_handler_table
+	.align 4
+_xtos_c_handler_table:
+	.rept	XCHAL_EXCCAUSE_NUM
+	.word	_xtos_p_none
+	.endr
+
+	/*
+	 *  Default/empty exception C handler.
+	 *  This is just a placeholder for exception causes with no registered
+	 *  handler; it normally never gets executed.
+	 *  NOTE:  control goes first to the debugger if one is present;
+	 *	   see _xtos_unhandled_exception in exc-unhandled.S .
+	 */
+	.text
+	.align	4
+	.global	_xtos_p_none
+	.type	_xtos_p_none,@function
+_xtos_p_none:
+	abi_entry
+	//  Do nothing.
+	abi_return
+	.size	_xtos_p_none, . - _xtos_p_none
+
+#endif /* XCHAL_HAVE_EXCEPTIONS */
+