1 /* $NetBSD: cacheops_machdep.h,v 1.7 2011/02/08 20:20:20 rmind 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. Neither the name of the University nor the names of its contributors 21 * may be used to endorse or promote products derived from this software 22 * without specific prior written permission. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34 * SUCH DAMAGE. 35 */ 36 37 #ifndef _NEWS68K_CACHEOPS_MACHDEP_H_ 38 #define _NEWS68K_CACHEOPS_MACHDEP_H_ 39 40 extern void *cache_clr; 41 42 static __inline int __attribute__((__unused__)) 43 DCIx_md(void) 44 { 45 volatile uint8_t *p = cache_clr; 46 47 if (ectype != EC_VIRT) { 48 return 0; 49 } 50 51 *p = 0xff; 52 return 1; 53 } 54 55 static __inline int __attribute__((__unused__)) 56 DCIA_md(void) 57 { 58 return DCIx_md(); 59 } 60 61 static __inline int __attribute__((__unused__)) 62 DCIS_md(void) 63 { 64 return DCIx_md(); 65 } 66 67 static __inline int __attribute__((__unused__)) 68 DCIU_md(void) 69 { 70 return DCIx_md(); 71 } 72 73 static __inline int __attribute__((__unused__)) 74 PCIA_md(void) 75 { 76 volatile uint8_t *p = cache_clr; 77 78 if (ectype != EC_PHYS) { 79 return 0; 80 } 81 82 *p = 0xff; 83 return 1; 84 } 85 #endif /* _NEWS68K_CACHEOPS_MACHDEP_H_ */ 86