1 /* $NetBSD: cacheops_machdep.h,v 1.2 2002/11/03 01:34:43 chs Exp $ */ 2 3 /* 4 * Copyright (c) 1988 University of Utah. 5 * Copyright (c) 1980, 1990, 1993 6 * The Regents of the University of California. All rights reserved. 7 * 8 * This code is derived from software contributed to Berkeley by 9 * the Systems Programming Group of the University of Utah Computer 10 * Science Department. 11 * 12 * Redistribution and use in source and binary forms, with or without 13 * modification, are permitted provided that the following conditions 14 * are met: 15 * 1. Redistributions of source code must retain the above copyright 16 * notice, this list of conditions and the following disclaimer. 17 * 2. Redistributions in binary form must reproduce the above copyright 18 * notice, this list of conditions and the following disclaimer in the 19 * documentation and/or other materials provided with the distribution. 20 * 3. All advertising materials mentioning features or use of this software 21 * must display the following acknowledgement: 22 * This product includes software developed by the University of 23 * California, Berkeley and its contributors. 24 * 4. Neither the name of the University nor the names of its contributors 25 * may be used to endorse or promote products derived from this software 26 * without specific prior written permission. 27 * 28 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 29 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 30 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 31 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 32 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 33 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 34 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 35 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 36 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 37 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 38 * SUCH DAMAGE. 39 */ 40 41 #ifndef _NEWS68K_CACHEOPS_MACHDEP_H_ 42 #define _NEWS68K_CACHEOPS_MACHDEP_H_ 43 44 extern void *cache_clr; 45 46 static __inline int __attribute__((__unused__)) 47 DCIx_md(void) 48 { 49 volatile uint8_t *p = cache_clr; 50 51 if (ectype != EC_VIRT) { 52 return 0; 53 } 54 55 *p = 0xff; 56 return 1; 57 } 58 59 static __inline int __attribute__((__unused__)) 60 DCIA_md(void) 61 { 62 return DCIx_md(); 63 } 64 65 static __inline int __attribute__((__unused__)) 66 DCIS_md(void) 67 { 68 return DCIx_md(); 69 } 70 71 static __inline int __attribute__((__unused__)) 72 DCIU_md(void) 73 { 74 return DCIx_md(); 75 } 76 77 static __inline int __attribute__((__unused__)) 78 PCIA_md(void) 79 { 80 volatile uint8_t *p = cache_clr; 81 82 if (ectype != EC_PHYS) { 83 return 0; 84 } 85 86 *p = 0xff; 87 return 1; 88 } 89 #endif /* _NEWS68K_CACHEOPS_MACHDEP_H_ */ 90