+++ /dev/null
-// nmi-vector.S -- Standalone NMI Interrupt Vector/Handler
-// $Id: //depot/rel/Cottonwood/Xtensa/OS/xtos/nmi-vector.S#3 $
-
-// Copyright (c) 2003, 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.
-
-// The NMI exception vector handles non-maskable interrupts.
-
-#include <xtensa/coreasm.h>
-#include <xtensa/config/system.h>
-#include <xtensa/config/specreg.h>
-
-#if XCHAL_HAVE_NMI
-
- .begin literal_prefix .NMIExceptionVector
- .section .NMIExceptionVector.text, "ax"
-
- .align 4
- .global _NMIExceptionVector
-_NMIExceptionVector:
-
-// Insert any custom NMI handling code here.
-// For example:
-// wsr a0, EXCSAVE+XCHAL_NMILEVEL
-// movi a0, ...address of some save area specific to this code...
-// s32i a1, a0, 0 // save whatever registers are needed
-// :
-// do something useful ...
-// :
-// l32i a1, a0, 0 // restore whatever registers were saved
-// rsr a0, EXCSAVE+XCHAL_NMILEVEL
-//
-// This default NMI handler does not do anything. It just returns
-// immediately upon any occurrence of a non-maskable interrupt.
-
- rfi XCHAL_NMILEVEL
-
- .size _NMIExceptionVector, . - _NMIExceptionVector
- .text
- .end literal_prefix
-
-#endif /* XCHAL_HAVE_NMI */
-