cacheops_machdep.h revision 1.2.2.2
1 1.2.2.2 nathanw /* $NetBSD: cacheops_machdep.h,v 1.2.2.2 2002/11/11 21:58:31 nathanw Exp $ */ 2 1.2.2.2 nathanw 3 1.2.2.2 nathanw /* 4 1.2.2.2 nathanw * Copyright (c) 1994, 1995 Gordon W. Ross 5 1.2.2.2 nathanw * Copyright (c) 1988 University of Utah. 6 1.2.2.2 nathanw * Copyright (c) 1980, 1990, 1993 7 1.2.2.2 nathanw * The Regents of the University of California. All rights reserved. 8 1.2.2.2 nathanw * 9 1.2.2.2 nathanw * This code is derived from software contributed to Berkeley by 10 1.2.2.2 nathanw * the Systems Programming Group of the University of Utah Computer 11 1.2.2.2 nathanw * Science Department. 12 1.2.2.2 nathanw * 13 1.2.2.2 nathanw * Redistribution and use in source and binary forms, with or without 14 1.2.2.2 nathanw * modification, are permitted provided that the following conditions 15 1.2.2.2 nathanw * are met: 16 1.2.2.2 nathanw * 1. Redistributions of source code must retain the above copyright 17 1.2.2.2 nathanw * notice, this list of conditions and the following disclaimer. 18 1.2.2.2 nathanw * 2. Redistributions in binary form must reproduce the above copyright 19 1.2.2.2 nathanw * notice, this list of conditions and the following disclaimer in the 20 1.2.2.2 nathanw * documentation and/or other materials provided with the distribution. 21 1.2.2.2 nathanw * 3. All advertising materials mentioning features or use of this software 22 1.2.2.2 nathanw * must display the following acknowledgement: 23 1.2.2.2 nathanw * This product includes software developed by the University of 24 1.2.2.2 nathanw * California, Berkeley and its contributors. 25 1.2.2.2 nathanw * 4. Neither the name of the University nor the names of its contributors 26 1.2.2.2 nathanw * may be used to endorse or promote products derived from this software 27 1.2.2.2 nathanw * without specific prior written permission. 28 1.2.2.2 nathanw * 29 1.2.2.2 nathanw * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 30 1.2.2.2 nathanw * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 31 1.2.2.2 nathanw * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 32 1.2.2.2 nathanw * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 33 1.2.2.2 nathanw * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 34 1.2.2.2 nathanw * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 35 1.2.2.2 nathanw * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 36 1.2.2.2 nathanw * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 37 1.2.2.2 nathanw * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 38 1.2.2.2 nathanw * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 39 1.2.2.2 nathanw * SUCH DAMAGE. 40 1.2.2.2 nathanw */ 41 1.2.2.2 nathanw 42 1.2.2.2 nathanw #ifndef _HP300_CACHEOPS_MACHDEP_H_ 43 1.2.2.2 nathanw #define _HP300_CACHEOPS_MACHDEP_H_ 44 1.2.2.2 nathanw 45 1.2.2.2 nathanw extern vaddr_t MMUbase; 46 1.2.2.2 nathanw 47 1.2.2.2 nathanw static __inline int __attribute__((__unused__)) 48 1.2.2.2 nathanw DCIA_md(void) 49 1.2.2.2 nathanw { 50 1.2.2.2 nathanw volatile int *ip = (void *)(MMUbase + MMUCMD); 51 1.2.2.2 nathanw 52 1.2.2.2 nathanw if (ectype != EC_VIRT) { 53 1.2.2.2 nathanw return 0; 54 1.2.2.2 nathanw } 55 1.2.2.2 nathanw 56 1.2.2.2 nathanw *ip &= ~MMU_CEN; 57 1.2.2.2 nathanw *ip |= MMU_CEN; 58 1.2.2.2 nathanw return 1; 59 1.2.2.2 nathanw } 60 1.2.2.2 nathanw 61 1.2.2.2 nathanw static __inline int __attribute__((__unused__)) 62 1.2.2.2 nathanw DCIS_md(void) 63 1.2.2.2 nathanw { 64 1.2.2.2 nathanw volatile int *ip = (void *)(MMUbase + MMUSSTP); 65 1.2.2.2 nathanw 66 1.2.2.2 nathanw if (ectype != EC_VIRT) { 67 1.2.2.2 nathanw return 0; 68 1.2.2.2 nathanw } 69 1.2.2.2 nathanw 70 1.2.2.2 nathanw *ip = *ip; 71 1.2.2.2 nathanw return 1; 72 1.2.2.2 nathanw } 73 1.2.2.2 nathanw 74 1.2.2.2 nathanw static __inline int __attribute__((__unused__)) 75 1.2.2.2 nathanw DCIU_md(void) 76 1.2.2.2 nathanw { 77 1.2.2.2 nathanw volatile int *ip = (void *)(MMUbase + MMUUSTP); 78 1.2.2.2 nathanw 79 1.2.2.2 nathanw if (ectype != EC_VIRT) { 80 1.2.2.2 nathanw return 0; 81 1.2.2.2 nathanw } 82 1.2.2.2 nathanw 83 1.2.2.2 nathanw *ip = *ip; 84 1.2.2.2 nathanw return 1; 85 1.2.2.2 nathanw } 86 1.2.2.2 nathanw 87 1.2.2.2 nathanw static __inline int __attribute__((__unused__)) 88 1.2.2.2 nathanw PCIA_md(void) 89 1.2.2.2 nathanw { 90 1.2.2.2 nathanw volatile int *ip = (void *)(MMUbase + MMUCMD); 91 1.2.2.2 nathanw 92 1.2.2.2 nathanw if (ectype != EC_PHYS || cputype != CPU_68030) { 93 1.2.2.2 nathanw return 0; 94 1.2.2.2 nathanw } 95 1.2.2.2 nathanw 96 1.2.2.2 nathanw *ip &= ~MMU_CEN; 97 1.2.2.2 nathanw *ip |= MMU_CEN; 98 1.2.2.2 nathanw 99 1.2.2.2 nathanw /* 100 1.2.2.2 nathanw * only some '030 models (345/370/375/400) have external PAC, 101 1.2.2.2 nathanw * so we need to do the standard flushing as well. 102 1.2.2.2 nathanw */ 103 1.2.2.2 nathanw 104 1.2.2.2 nathanw return 0; 105 1.2.2.2 nathanw } 106 1.2.2.2 nathanw 107 1.2.2.2 nathanw static __inline int __attribute__((__unused__)) 108 1.2.2.2 nathanw TBIA_md(void) 109 1.2.2.2 nathanw { 110 1.2.2.2 nathanw volatile int *ip = (void *)(MMUbase + MMUTBINVAL); 111 1.2.2.2 nathanw 112 1.2.2.2 nathanw if (mmutype != MMU_HP) { 113 1.2.2.2 nathanw return 0; 114 1.2.2.2 nathanw } 115 1.2.2.2 nathanw 116 1.2.2.2 nathanw (void) *ip; 117 1.2.2.2 nathanw return 1; 118 1.2.2.2 nathanw } 119 1.2.2.2 nathanw 120 1.2.2.2 nathanw static __inline int __attribute__((__unused__)) 121 1.2.2.2 nathanw TBIS_md(vaddr_t va) 122 1.2.2.2 nathanw { 123 1.2.2.2 nathanw vaddr_t r_va __asm("%a0") = va; 124 1.2.2.2 nathanw int s; 125 1.2.2.2 nathanw 126 1.2.2.2 nathanw if (mmutype != MMU_HP) { 127 1.2.2.2 nathanw return 0; 128 1.2.2.2 nathanw } 129 1.2.2.2 nathanw 130 1.2.2.2 nathanw s = splhigh(); 131 1.2.2.2 nathanw __asm __volatile (" movc %0, %%dfc;" /* select purge space */ 132 1.2.2.2 nathanw " movsl %3, %1@;" /* purge it */ 133 1.2.2.2 nathanw " movc %2, %%dfc;" 134 1.2.2.2 nathanw : : "r" (FC_PURGE), "a" (r_va), "r" (FC_USERD), 135 1.2.2.2 nathanw "r" (0)); 136 1.2.2.2 nathanw splx(s); 137 1.2.2.2 nathanw return 1; 138 1.2.2.2 nathanw } 139 1.2.2.2 nathanw 140 1.2.2.2 nathanw static __inline int __attribute__((__unused__)) 141 1.2.2.2 nathanw TBIAS_md(void) 142 1.2.2.2 nathanw { 143 1.2.2.2 nathanw volatile int *ip = (void *)(MMUbase + MMUTBINVAL); 144 1.2.2.2 nathanw 145 1.2.2.2 nathanw if (mmutype != MMU_HP) { 146 1.2.2.2 nathanw return 0; 147 1.2.2.2 nathanw } 148 1.2.2.2 nathanw 149 1.2.2.2 nathanw *ip = 0x8000; 150 1.2.2.2 nathanw return 1; 151 1.2.2.2 nathanw } 152 1.2.2.2 nathanw 153 1.2.2.2 nathanw static __inline int __attribute__((__unused__)) 154 1.2.2.2 nathanw TBIAU_md(void) 155 1.2.2.2 nathanw { 156 1.2.2.2 nathanw volatile int *ip = (void *)(MMUbase + MMUTBINVAL); 157 1.2.2.2 nathanw 158 1.2.2.2 nathanw if (mmutype != MMU_HP) { 159 1.2.2.2 nathanw return 0; 160 1.2.2.2 nathanw } 161 1.2.2.2 nathanw 162 1.2.2.2 nathanw *ip = 0; 163 1.2.2.2 nathanw return 1; 164 1.2.2.2 nathanw } 165 1.2.2.2 nathanw #endif /* _HP300_CACHEOPS_MACHDEP_H_ */ 166
Indexes created Fri Oct 03 23:09:56 GMT 2025