61 lines
2.5 KiB
C
61 lines
2.5 KiB
C
/* $NetBSD: sb1regs.h,v 1.1 2002/11/15 01:09:20 simonb Exp $ */
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/*
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* Copyright 2002 Wasabi Systems, Inc.
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* All rights reserved.
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*
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* Written by Simon Burge for Wasabi Systems, Inc.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed for the NetBSD Project by
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* Wasabi Systems, Inc.
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* 4. The name of Wasabi Systems, Inc. may not be used to endorse
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* or promote products derived from this software without specific prior
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* written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#undef COP0_SYNC /* XXX should be COP0_HAZARD or even COP0_HAZARD_MISC */
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#undef COP0_HAZARD_FPUENABLE
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#ifdef SB1250_PASS1
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#define COP0_SYNC \
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.set push; .set mips32; ssnop; ssnop; ssnop; ssnop; .set pop;
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#else
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#define COP0_SYNC .set push; .set mips32; ssnop; ssnop; ssnop; .set pop;
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#endif
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/*
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* XXX:
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* This hazard is really:
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*
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* .set push; .set mips32; ssnop; bnel $0, $0, .+4; ssnop; .set pop;
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*
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* We use ".word 0x54000000" for "bnel $0, $0, .+4" here because
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* this hazard is used within C code and we can't convert anything
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* with a comma to a string using normal ANSI C preprocessor string
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* operations.
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*/
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#define COP0_HAZARD_FPUENABLE \
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.set push; .set mips32; ssnop; .word 0x54000000; ssnop; .set pop;
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