+++ /dev/null
-// int-vector.S - Interrupt Vector Template (for levels > 1)
-// $Id: //depot/rel/Cottonwood/Xtensa/OS/xtos/int-vector.S#3 $
-
-// Copyright (c) 2003-2004, 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.
-
-
-// To use this template file, define a macro called _INTERRUPT_LEVEL
-// to be the interrupt level of the vector, include "xtos-internal.h",
-// then include this file. We use the same template for both high-level
-// and medium-level interrupts, but not debug level.
-
-
-#define _ASMLANGUAGE
-#include "xtos-internal.h"
-#include <xtensa/config/system.h>
-
-
-#if XCHAL_HAVE_INTERRUPTS && (_INTERRUPT_LEVEL <= XCHAL_NUM_INTLEVELS) && (_INTERRUPT_LEVEL != XCHAL_DEBUGLEVEL)
-
- .begin literal_prefix LABEL(.Level,InterruptVector)
- .section LABEL(.Level,InterruptVector.text), "ax"
- .align 4
- .global LABEL(_Level,Vector)
-LABEL(_Level,Vector):
- // Medium and high priority interrupt vector:
-
-# if HAVE_XSR
- // With XSR, we can use this vector which has the advantage of being ROMable
- // without requiring the handler to also be in ROM; however, it requires
- // initializing the EXCSAVEn register (see ResetEpilog.S) and a slightly
- // different save/restore sequence in the handler:
- xsr a2, EXCSAVE_LEVEL
- jx a2
-
- // Pull-in the real handler by reference, to ensure the reset epilog gets it:
- .global LABEL(_Level,FromVector)
-
-# else
- wsr a2, EXCSAVE_LEVEL
- movi a2, LABEL(_Level,FromVector)
- jx a2
-# endif
-
- .size LABEL(_Level,Vector), . - LABEL(_Level,Vector)
- .text
- .end literal_prefix
-
-#endif /* interrupt at that level */
-