cache.c revision 1.2.14.2
1 /* $NetBSD: cache.c,v 1.2.14.2 2007/12/03 19:03:07 ad Exp $ */ 2 3 /* 4 * Copyright 2001 Wasabi Systems, Inc. 5 * All rights reserved. 6 * 7 * Written by Jason R. Thorpe 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 #include <lib/libsa/stand.h> 39 #include <lib/libkern/libkern.h> 40 41 #include <mips/cpuregs.h> 42 #include <mips/cache_r4k.h> 43 44 #include "boot.h" 45 46 #define round_line(x) (((x) + (CACHELINESIZE - 1)) & ~(CACHELINESIZE - 1)) 47 #define trunc_line(x) ((x) & ~(CACHELINESIZE - 1)) 48 49 __asm(".set mips3"); 50 51 void 52 pdcache_inv(uint32_t va, u_int size) 53 { 54 uint32_t eva; 55 56 eva = round_line(va + size); 57 va = trunc_line(va); 58 59 while (va < eva) { 60 cache_op_r4k_line(va, CACHE_R4K_D|CACHEOP_R4K_HIT_INV); 61 va += CACHELINESIZE; 62 } 63 } 64 65 void 66 pdcache_wb(uint32_t va, u_int size) 67 { 68 uint32_t eva; 69 70 eva = round_line(va + size); 71 va = trunc_line(va); 72 73 while (va < eva) { 74 cache_op_r4k_line(va, CACHE_R4K_D|CACHEOP_R4K_HIT_WB); 75 va += CACHELINESIZE; 76 } 77 } 78 79 void 80 pdcache_wbinv(uint32_t va, u_int size) 81 { 82 uint32_t eva; 83 84 eva = round_line(va + size); 85 va = trunc_line(va); 86 87 while (va < eva) { 88 cache_op_r4k_line(va, CACHE_R4K_D|CACHEOP_R4K_HIT_WB_INV); 89 va += CACHELINESIZE; 90 } 91 } 92 /* $NetBSD: cache.c,v 1.2.14.2 2007/12/03 19:03:07 ad Exp $ */ 93 94 /* 95 * Copyright 2001 Wasabi Systems, Inc. 96 * All rights reserved. 97 * 98 * Written by Jason R. Thorpe for Wasabi Systems, Inc. 99 * 100 * Redistribution and use in source and binary forms, with or without 101 * modification, are permitted provided that the following conditions 102 * are met: 103 * 1. Redistributions of source code must retain the above copyright 104 * notice, this list of conditions and the following disclaimer. 105 * 2. Redistributions in binary form must reproduce the above copyright 106 * notice, this list of conditions and the following disclaimer in the 107 * documentation and/or other materials provided with the distribution. 108 * 3. All advertising materials mentioning features or use of this software 109 * must display the following acknowledgement: 110 * This product includes software developed for the NetBSD Project by 111 * Wasabi Systems, Inc. 112 * 4. The name of Wasabi Systems, Inc. may not be used to endorse 113 * or promote products derived from this software without specific prior 114 * written permission. 115 * 116 * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND 117 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 118 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 119 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC 120 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 121 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 122 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 123 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 124 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 125 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 126 * POSSIBILITY OF SUCH DAMAGE. 127 */ 128 129 #include <lib/libsa/stand.h> 130 #include <lib/libkern/libkern.h> 131 132 #include <mips/cpuregs.h> 133 #include <mips/cache_r4k.h> 134 135 #include "boot.h" 136 137 #define round_line(x) (((x) + (CACHELINESIZE - 1)) & ~(CACHELINESIZE - 1)) 138 #define trunc_line(x) ((x) & ~(CACHELINESIZE - 1)) 139 140 __asm(".set mips3"); 141 142 void 143 pdcache_inv(uint32_t va, u_int size) 144 { 145 uint32_t eva; 146 147 eva = round_line(va + size); 148 va = trunc_line(va); 149 150 while (va < eva) { 151 cache_op_r4k_line(va, CACHE_R4K_D|CACHEOP_R4K_HIT_INV); 152 va += CACHELINESIZE; 153 } 154 } 155 156 void 157 pdcache_wb(uint32_t va, u_int size) 158 { 159 uint32_t eva; 160 161 eva = round_line(va + size); 162 va = trunc_line(va); 163 164 while (va < eva) { 165 cache_op_r4k_line(va, CACHE_R4K_D|CACHEOP_R4K_HIT_WB); 166 va += CACHELINESIZE; 167 } 168 } 169 170 void 171 pdcache_wbinv(uint32_t va, u_int size) 172 { 173 uint32_t eva; 174 175 eva = round_line(va + size); 176 va = trunc_line(va); 177 178 while (va < eva) { 179 cache_op_r4k_line(va, CACHE_R4K_D|CACHEOP_R4K_HIT_WB_INV); 180 va += CACHELINESIZE; 181 } 182 } 183 /* $NetBSD: cache.c,v 1.2.14.2 2007/12/03 19:03:07 ad Exp $ */ 184 185 /* 186 * Copyright 2001 Wasabi Systems, Inc. 187 * All rights reserved. 188 * 189 * Written by Jason R. Thorpe for Wasabi Systems, Inc. 190 * 191 * Redistribution and use in source and binary forms, with or without 192 * modification, are permitted provided that the following conditions 193 * are met: 194 * 1. Redistributions of source code must retain the above copyright 195 * notice, this list of conditions and the following disclaimer. 196 * 2. Redistributions in binary form must reproduce the above copyright 197 * notice, this list of conditions and the following disclaimer in the 198 * documentation and/or other materials provided with the distribution. 199 * 3. All advertising materials mentioning features or use of this software 200 * must display the following acknowledgement: 201 * This product includes software developed for the NetBSD Project by 202 * Wasabi Systems, Inc. 203 * 4. The name of Wasabi Systems, Inc. may not be used to endorse 204 * or promote products derived from this software without specific prior 205 * written permission. 206 * 207 * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND 208 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 209 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 210 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC 211 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 212 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 213 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 214 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 215 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 216 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 217 * POSSIBILITY OF SUCH DAMAGE. 218 */ 219 220 #include <lib/libsa/stand.h> 221 #include <lib/libkern/libkern.h> 222 223 #include <mips/cpuregs.h> 224 #include <mips/cache_r4k.h> 225 226 #include "boot.h" 227 228 #define round_line(x) (((x) + (CACHELINESIZE - 1)) & ~(CACHELINESIZE - 1)) 229 #define trunc_line(x) ((x) & ~(CACHELINESIZE - 1)) 230 231 __asm(".set mips3"); 232 233 void 234 pdcache_inv(uint32_t va, u_int size) 235 { 236 uint32_t eva; 237 238 eva = round_line(va + size); 239 va = trunc_line(va); 240 241 while (va < eva) { 242 cache_op_r4k_line(va, CACHE_R4K_D|CACHEOP_R4K_HIT_INV); 243 va += CACHELINESIZE; 244 } 245 } 246 247 void 248 pdcache_wb(uint32_t va, u_int size) 249 { 250 uint32_t eva; 251 252 eva = round_line(va + size); 253 va = trunc_line(va); 254 255 while (va < eva) { 256 cache_op_r4k_line(va, CACHE_R4K_D|CACHEOP_R4K_HIT_WB); 257 va += CACHELINESIZE; 258 } 259 } 260 261 void 262 pdcache_wbinv(uint32_t va, u_int size) 263 { 264 uint32_t eva; 265 266 eva = round_line(va + size); 267 va = trunc_line(va); 268 269 while (va < eva) { 270 cache_op_r4k_line(va, CACHE_R4K_D|CACHEOP_R4K_HIT_WB_INV); 271 va += CACHELINESIZE; 272 } 273 } 274
Indexes created Tue Sep 30 07:10:03 GMT 2025