1 /* $NetBSD: sb1regs.h,v 1.1 2002/11/15 01:09:20 simonb Exp $ */ 2 3 /* 4 * Copyright 2002 Wasabi Systems, Inc. 5 * All rights reserved. 6 * 7 * Written by Simon Burge for Wasabi Systems, Inc. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. All advertising materials mentioning features or use of this software 18 * must display the following acknowledgement: 19 * This product includes software developed for the NetBSD Project by 20 * Wasabi Systems, Inc. 21 * 4. The name of Wasabi Systems, Inc. may not be used to endorse 22 * or promote products derived from this software without specific prior 23 * written permission. 24 * 25 * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND 26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 27 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 28 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC 29 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 30 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 31 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 32 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 33 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 34 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 35 * POSSIBILITY OF SUCH DAMAGE. 36 */ 37 38 #undef COP0_SYNC /* XXX should be COP0_HAZARD or even COP0_HAZARD_MISC */ 39 #undef COP0_HAZARD_FPUENABLE 40 41 #ifdef SB1250_PASS1 42 #define COP0_SYNC \ 43 .set push; .set mips32; ssnop; ssnop; ssnop; ssnop; .set pop; 44 #else 45 #define COP0_SYNC .set push; .set mips32; ssnop; ssnop; ssnop; .set pop; 46 #endif 47 48 /* 49 * XXX: 50 * This hazard is really: 51 * 52 * .set push; .set mips32; ssnop; bnel $0, $0, .+4; ssnop; .set pop; 53 * 54 * We use ".word 0x54000000" for "bnel $0, $0, .+4" here because 55 * this hazard is used within C code and we can't convert anything 56 * with a comma to a string using normal ANSI C preprocessor string 57 * operations. 58 */ 59 #define COP0_HAZARD_FPUENABLE \ 60 .set push; .set mips32; ssnop; .word 0x54000000; ssnop; .set pop; 61