1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright 2005 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #pragma ident "%Z%%M% %I% %E% SMI" 28 29 #include <sys/cpu_module.h> 30 #include <vm/page.h> 31 #include <vm/seg_map.h> 32 33 void 34 cpu_fiximp(dnode_t dnode) 35 {} 36 37 void 38 ce_err(void) 39 {} 40 41 void 42 ce_err_tl1(void) 43 {} 44 45 void 46 async_err(void) 47 {} 48 49 void 50 cpu_flush_ecache(void) 51 {} 52 53 void 54 cpu_disable_errors(void) 55 {} 56 57 /* It could be removed later if prom enables error handling */ 58 void 59 cpu_enable_errors(void) 60 {} 61 62 /*ARGSUSED*/ 63 void 64 cpu_faulted_enter(struct cpu *cp) 65 {} 66 67 /*ARGSUSED*/ 68 void 69 cpu_faulted_exit(struct cpu *cp) 70 {} 71 72 /*ARGSUSED*/ 73 void 74 cpu_ce_count_unum(struct async_flt *ecc, int len, char *unum) 75 {} 76 77 /*ARGSUSED*/ 78 void 79 cpu_ce_scrub_mem_err(struct async_flt *ecc, boolean_t triedcpulogout) 80 {} 81 82 /*ARGSUSED*/ 83 void 84 cpu_ce_log_err(struct async_flt *ecc, errorq_elem_t *eqep) 85 {} 86 87 /*ARGSUSED*/ 88 void 89 cpu_ue_log_err(struct async_flt *ecc) 90 {} 91 92 /*ARGSUSED*/ 93 int 94 ce_scrub_xdiag_recirc(struct async_flt *aflt, errorq_t *eqp, 95 errorq_elem_t *eqep, size_t afltoffset) 96 { return (0); } 97 98 /*ARGSUSED*/ 99 char * 100 flt_to_error_type(struct async_flt *aflt) 101 { return (NULL); } 102 103 int 104 cpu_aflt_size(void) 105 { return (0); } 106 107 void 108 cpu_async_panic_callb(void) 109 {} 110 111 /*ARGSUSED*/ 112 void 113 cpu_check_allcpus(struct async_flt *aflt) 114 {} 115 116 /*ARGSUSED*/ 117 int 118 cpu_get_mem_unum(int synd_stat, ushort_t synd, uint64_t afsr, uint64_t afar, 119 int cpuid, int flt_in_memory, ushort_t flt_status, char *buf, 120 int buflen, int *lenp) 121 { return (ENOTSUP); } 122 123 /*ARGSUSED*/ 124 int 125 cpu_get_mem_unum_aflt(int synd_stat, struct async_flt *aflt, 126 char *buf, int buflen, int *lenp) 127 { return (ENOTSUP); } 128 129 /*ARGSUSED*/ 130 int 131 cpu_get_cpu_unum(int cpuid, char *buf, int buflen, int *lenp) 132 { return (ENOTSUP); } 133 134 /*ARGSUSED*/ 135 int 136 cpu_get_mem_name(uint64_t synd, uint64_t *afsr, uint64_t afar, 137 char *buf, int buflen, int *lenp) 138 { return (ENOTSUP); } 139 140 /*ARGSUSED*/ 141 size_t 142 cpu_get_name_bufsize() 143 { return (0); } 144 145 /*ARGSUSED*/ 146 int 147 cpu_get_mem_info(uint64_t synd, uint64_t afar, 148 uint64_t *mem_sizep, uint64_t *seg_sizep, uint64_t *bank_sizep, 149 int *segsp, int *banksp, int *mcidp) 150 { return (ENOTSUP); } 151 152 /*ARGSUSED*/ 153 void 154 cpu_ereport_post(struct async_flt *aflt) 155 {} 156 157 /*ARGSUSED*/ 158 void 159 cpu_run_bus_error_handlers(struct async_flt *aflt, int expected) 160 {} 161 162 void 163 cpu_errorq_dispatch(char *error_class, void *payload, size_t payload_sz, 164 errorq_t *eqp, uint_t flag) 165 {} 166 167 void 168 clr_datapath(void) 169 {} 170 171 /*ARGSUSED*/ 172 void 173 read_ecc_data(struct async_flt *ecc, short verbose, short ce_err) 174 {} 175 176 /*ARGSUSED*/ 177 void 178 itlb_rd_entry(uint_t entry, tte_t *tte, uint64_t *va_tag) 179 {} 180 181 /*ARGSUSED*/ 182 void 183 dtlb_rd_entry(uint_t entry, tte_t *tte, uint64_t *va_tag) 184 {} 185 186 /* 187 * tick operations 188 */ 189 190 void 191 cpu_clearticknpt(void) 192 { } 193 194 /* 195 * Ecache scrub operations 196 */ 197 void 198 cpu_init_cache_scrub(void) 199 {} 200 201 /*ARGSUSED*/ 202 void 203 cpu_busy_ecache_scrub(struct cpu *cp) 204 {} 205 206 /*ARGSUSED*/ 207 void 208 cpu_idle_ecache_scrub(struct cpu *cp) 209 {} 210 211 /* ARGSUSED */ 212 void 213 cpu_check_ce(int flag, uint64_t pa, caddr_t va, uint_t bpp) 214 {} 215 216 /* ARGSUSED */ 217 void 218 prefetch_page_w(void *pp) 219 { 220 #define ECACHE_SUBBLOCKS_PER_PAGE 2 221 #define ECACHE_SUBBLOCK_SIZE_BYTES 64 222 #define ECACHE_PAGE_BYTE_MAX \ 223 (ECACHE_SUBBLOCKS_PER_PAGE*ECACHE_SUBBLOCK_SIZE_BYTES+1) 224 225 /* 226 * The following line is intended to cause an error 227 * whenever the sun4u page_t grows beyond 128 228 * bytes. 229 * 230 * If you get an error here, you'll need to change 231 * the 'prefetch_page_w' assembly language code 232 * (see also prefetch_page_w prologue comment) 233 */ 234 /*LINTED*/ 235 volatile int garbage[ECACHE_PAGE_BYTE_MAX - sizeof (page_t)]; 236 } 237 238 /* ARGSUSED */ 239 void 240 prefetch_page_r(void *pp) 241 { 242 #define ECACHE_SUBBLOCKS_PER_PAGE 2 243 #define ECACHE_SUBBLOCK_SIZE_BYTES 64 244 #define ECACHE_PAGE_BYTE_MAX \ 245 (ECACHE_SUBBLOCKS_PER_PAGE*ECACHE_SUBBLOCK_SIZE_BYTES+1) 246 247 /* 248 * The following line is intended to cause an error 249 * whenever the sun4u page_t grows beyond 128 250 * bytes. 251 * 252 * If you get an error here, you'll need to change 253 * the 'prefetch_page_r' assembly language code 254 * (see also prefetch_page_w prologue comment) 255 */ 256 /*LINTED*/ 257 volatile int garbage[ECACHE_PAGE_BYTE_MAX - sizeof (page_t)]; 258 } 259 260 261 #ifdef SEGKPM_SUPPORT 262 #define SMAP_SIZE 80 263 #else 264 #define SMAP_SIZE 56 265 #endif 266 267 /* ARGSUSED */ 268 void 269 prefetch_smap_w(void *smp) 270 { 271 272 /* 273 * The following lines are intended to cause an error 274 * whenever the smap object size changes from the current 275 * size of 48 bytes. If you get an error here, you'll 276 * need to update the code in the 'prefetch_smap_w' assembly 277 * language code. 278 */ 279 /*LINTED*/ 280 volatile int smap_size_changed [SMAP_SIZE - sizeof (struct smap) + 1]; 281 volatile int smap_size_changed2 [sizeof (struct smap) - SMAP_SIZE + 1]; 282 } 283 284 void 285 kdi_flush_caches(void) 286 {} 287 288 /*ARGSUSED*/ 289 void 290 mmu_init_kernel_pgsz(struct hat *hat) 291 { 292 } 293 294 size_t 295 mmu_get_kernel_lpsize(size_t value) 296 { 297 return (value); 298 } 299