1 /* $NetBSD: cacheops_machdep.h,v 1.8 2023/12/27 17:35:34 thorpej Exp $ */ 2 3 /* 4 * Copyright (c) 1980, 1990, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * This code is derived from software contributed to Berkeley by 8 * the Systems Programming Group of the University of Utah Computer 9 * Science Department. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 */ 35 36 /* 37 * Copyright (c) 1994, 1995 Gordon W. Ross 38 * Copyright (c) 1988 University of Utah. 39 * 40 * This code is derived from software contributed to Berkeley by 41 * the Systems Programming Group of the University of Utah Computer 42 * Science Department. 43 * 44 * Redistribution and use in source and binary forms, with or without 45 * modification, are permitted provided that the following conditions 46 * are met: 47 * 1. Redistributions of source code must retain the above copyright 48 * notice, this list of conditions and the following disclaimer. 49 * 2. Redistributions in binary form must reproduce the above copyright 50 * notice, this list of conditions and the following disclaimer in the 51 * documentation and/or other materials provided with the distribution. 52 * 3. All advertising materials mentioning features or use of this software 53 * must display the following acknowledgement: 54 * This product includes software developed by the University of 55 * California, Berkeley and its contributors. 56 * 4. Neither the name of the University nor the names of its contributors 57 * may be used to endorse or promote products derived from this software 58 * without specific prior written permission. 59 * 60 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 61 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 62 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 63 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 64 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 65 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 66 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 67 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 68 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 69 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 70 * SUCH DAMAGE. 71 */ 72 73 #ifndef _HP300_CACHEOPS_MACHDEP_H_ 74 #define _HP300_CACHEOPS_MACHDEP_H_ 75 76 #include <machine/fcode.h> 77 78 extern vaddr_t MMUbase; 79 80 static __inline int __attribute__((__unused__)) 81 DCIA_md(void) 82 { 83 volatile int *ip = (void *)(MMUbase + MMUCMD); 84 85 if (ectype != EC_VIRT) { 86 return 0; 87 } 88 89 *ip &= ~MMU_CEN; 90 *ip |= MMU_CEN; 91 return 1; 92 } 93 94 static __inline int __attribute__((__unused__)) 95 DCIS_md(void) 96 { 97 volatile int *ip = (void *)(MMUbase + MMUSSTP); 98 99 if (ectype != EC_VIRT) { 100 return 0; 101 } 102 103 *ip = *ip; 104 return 1; 105 } 106 107 static __inline int __attribute__((__unused__)) 108 DCIU_md(void) 109 { 110 volatile int *ip = (void *)(MMUbase + MMUUSTP); 111 112 if (ectype != EC_VIRT) { 113 return 0; 114 } 115 116 *ip = *ip; 117 return 1; 118 } 119 120 static __inline int __attribute__((__unused__)) 121 PCIA_md(void) 122 { 123 volatile int *ip = (void *)(MMUbase + MMUCMD); 124 125 if (ectype != EC_PHYS || cputype != CPU_68030) { 126 return 0; 127 } 128 129 *ip &= ~MMU_CEN; 130 *ip |= MMU_CEN; 131 132 /* 133 * only some '030 models (345/370/375/400) have external PAC, 134 * so we need to do the standard flushing as well. 135 */ 136 137 return 0; 138 } 139 140 static __inline int __attribute__((__unused__)) 141 TBIA_md(void) 142 { 143 volatile int *ip = (void *)(MMUbase + MMUTBINVAL); 144 145 if (mmutype != MMU_HP) { 146 return 0; 147 } 148 149 (void) *ip; 150 return 1; 151 } 152 153 static __inline int __attribute__((__unused__)) 154 TBIS_md(vaddr_t va) 155 { 156 register vaddr_t r_va __asm("%a1") = va; 157 int s; 158 159 if (mmutype != MMU_HP) { 160 return 0; 161 } 162 163 s = splhigh(); 164 __asm volatile (" movc %0, %%dfc;" /* select purge space */ 165 " movsl %3, %1@;" /* purge it */ 166 " movc %2, %%dfc;" 167 : : "r" (FC_PURGE), "a" (r_va), "r" (FC_USERD), 168 "r" (0)); 169 splx(s); 170 return 1; 171 } 172 173 static __inline int __attribute__((__unused__)) 174 TBIAS_md(void) 175 { 176 volatile int *ip = (void *)(MMUbase + MMUTBINVAL); 177 178 if (mmutype != MMU_HP) { 179 return 0; 180 } 181 182 *ip = 0x8000; 183 return 1; 184 } 185 186 static __inline int __attribute__((__unused__)) 187 TBIAU_md(void) 188 { 189 volatile int *ip = (void *)(MMUbase + MMUTBINVAL); 190 191 if (mmutype != MMU_HP) { 192 return 0; 193 } 194 195 *ip = 0; 196 return 1; 197 } 198 #endif /* _HP300_CACHEOPS_MACHDEP_H_ */ 199
Indexes created Sun Sep 21 16:09:51 GMT 2025