63 lines
2.0 KiB
C
63 lines
2.0 KiB
C
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/****************************************************************************
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* libs/libc/machine/xtensa/xtensa_asm.h
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <arch/chip/core-isa.h>
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/****************************************************************************
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* Assembly Language Macros
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****************************************************************************/
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.macro src_b r, w0, w1
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#if XCHAL_HAVE_BE
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src \r, \w0, \w1
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#else
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src \r, \w1, \w0
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#endif
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.endm
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.macro ssa8 r
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#if XCHAL_HAVE_BE
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ssa8b \r
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#else
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ssa8l \r
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#endif
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.endm
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/****************************************************************************
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* Pre-processor Macros
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****************************************************************************/
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#if XCHAL_HAVE_BE
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# define MASK0 0xff000000
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# define MASK1 0x00ff0000
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# define MASK2 0x0000ff00
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# define MASK3 0x000000ff
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#else
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# define MASK0 0x000000ff
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# define MASK1 0x0000ff00
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# define MASK2 0x00ff0000
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# define MASK3 0xff000000
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#endif
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