+++ /dev/null
-// memep-enable.S -- Turn on local memory ECC/parity checking
-// $Id: //depot/rel/Cottonwood/Xtensa/OS/xtos/memep-enable.S#3 $
-
-// Copyright (c) 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>
-
-
- /*
- * void _xtos_memep_enable(int flags);
- *
- * Turn on local memory ECC/parity checking, for both
- * data access and instruction fetch.
- *
- * For now, flags are ignored. Caller is expected to pass zero.
- *
- * _xtos_memep_initrams() must have already been called, if necessary,
- * to ensure all ECC/parity bits are valid in any local instruction
- * or data RAM. The normal reset vector sequence already takes care
- * of initializing any local cache ECC/parity bits.
- */
- .text
- .align 4
- .global _xtos_memep_enable
-_xtos_memep_enable:
- abi_entry
-
-#if XCHAL_HAVE_MEM_ECC_PARITY
-
- // Local Memory ECC/Parity option initialization
- //
- // NOTE: We turn on exceptions on correctable errors and correct
- // them in the memory error handler.
- movi a2, MESR_ERRENAB | MESR_DATEXC | MESR_INSEXC
- wsr a2, MESR
- isync
-
-#endif /* XCHAL_HAVE_MEM_ECC_PARITY */
-
- movi a2, 0 // successfully turned on what we could
- abi_return
-
- .size _xtos_memep_enable, . - _xtos_memep_enable
-