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/types.h> 30 #include <sys/machparam.h> 31 #include <vm/as.h> 32 #include <vm/hat_sfmmu.h> 33 34 #include <mdb/mdb_modapi.h> 35 #include <mdb/mdb_target.h> 36 #include <mdb/mdb_ctf.h> 37 38 /* 39 * sfmmu mdb support 40 */ 41 42 #define SFMMU_VTOP_DBG_SYMBOL 1 43 #define SFMMU_VTOP_DBG_VERBOSE 2 44 #define SFMMU_VTOP_DBG_DEBUG 4 45 #define SFMMU_VTOP_DBG_ALL (SFMMU_VTOP_DBG_SYMBOL|SFMMU_VTOP_DBG_VERBOSE|\ 46 SFMMU_VTOP_DBG_DEBUG) 47 48 #define SFMMU_VTOP_DBG_SYM if (sfmmu_vtop_dbg & SFMMU_VTOP_DBG_SYMBOL) \ 49 mdb_printf 50 #define SFMMU_VTOP_DBG_VRB if (sfmmu_vtop_dbg & SFMMU_VTOP_DBG_VERBOSE) \ 51 mdb_printf 52 #define SFMMU_VTOP_DBG_DBG if (sfmmu_vtop_dbg & SFMMU_VTOP_DBG_DEBUG) \ 53 mdb_printf 54 55 #define SFMMU_VTOP_READSYM(dest, synm, where) \ 56 if (mdb_readsym(&(dest), sizeof (dest), (synm)) == -1) \ 57 mdb_warn("%s: couldn't find or read '%s'\n", (where), (synm)); 58 59 struct hme_blks_max { 60 struct hme_blk hmx_hmeblk; 61 struct sf_hment hmx_hmes[NHMENTS - 1]; 62 }; 63 64 int sfmmu_vtop(uintptr_t, uint_t, int, const mdb_arg_t *); 65 static int sfmmu_vtop_common(struct as *, uintptr_t, physaddr_t *); 66 static int sfmmu_vtop_impl(uintptr_t, sfmmu_t *, sfmmu_t *, physaddr_t *); 67 static void sfmmu_vtop_print_hmeblk(struct hme_blk *); 68 static struct sf_hment *mdb_sfmmu_hblktohme(struct hme_blk *, caddr_t, int *); 69 70 int sfmmu_vtop_dbg_wanted = 0; /* set this as desired */ 71 int sfmmu_vtop_dbg = 0; 72 73 /* 74 * ::sfmmu_vtop [[-v] -a as] 75 * Extended version of the vtop builtin. The optional <as> argument is 76 * used as base address space for translating a virtual address into a 77 * physical address. The verbose option ("-v") shows intermediate 78 * translation steps. If <as> or kas is ommitted, the builtin ::vtop 79 * dcmd is called. 80 */ 81 int 82 sfmmu_vtop(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 83 { 84 int ret; 85 struct as *asp = NULL; 86 char *asnmp = NULL; 87 int verbose = 0; 88 physaddr_t paddr; 89 90 sfmmu_vtop_dbg = sfmmu_vtop_dbg_wanted; 91 92 if (mdb_getopts(argc, argv, 93 'v', MDB_OPT_SETBITS, TRUE, &verbose, 94 'a', MDB_OPT_STR, &asnmp, 95 NULL) != argc) 96 return (DCMD_USAGE); 97 98 if (verbose != 0 && asnmp == NULL) { 99 mdb_warn("-v requires -a option\n"); 100 return (DCMD_USAGE); 101 } 102 103 if (verbose != 0 && (sfmmu_vtop_dbg & SFMMU_VTOP_DBG_VERBOSE) == 0) { 104 sfmmu_vtop_dbg |= SFMMU_VTOP_DBG_VERBOSE; 105 } 106 107 if (asnmp != NULL) { 108 GElf_Sym sym; 109 110 SFMMU_VTOP_DBG_DBG("asnmp=%p asnm=%s\n", asnmp, asnmp); 111 if (strcmp(asnmp, "kas") == 0) { 112 if (mdb_lookup_by_name("kas", &sym) == -1) { 113 mdb_warn("couldn't find 'kas'\n"); 114 return (DCMD_ERR); 115 } else { 116 asp = (struct as *)sym.st_value; 117 SFMMU_VTOP_DBG_SYM("kas &sym=%p\n", &sym); 118 } 119 } else { 120 asp = (struct as *)mdb_strtoull(asnmp); 121 } 122 SFMMU_VTOP_DBG_DBG("asp=0x%p\n", asp); 123 } 124 125 if (asp == 0) { 126 SFMMU_VTOP_DBG_DBG("sfmmu_vtop: call standard vtop\n"); 127 return (mdb_call_dcmd("vtop", addr, flags, argc, argv)); 128 } 129 130 if ((ret = sfmmu_vtop_common(asp, addr, &paddr)) == -1L) { 131 mdb_printf("no mapping found for addr=%p\n", addr); 132 return (DCMD_ERR); 133 } 134 135 if (ret == 0) { 136 mdb_printf("address space %p: virtual %lr mapped to physical " 137 "%llr", asp, addr, paddr); 138 } else { 139 return (DCMD_ERR); 140 } 141 142 return (DCMD_OK); 143 } 144 145 static int 146 sfmmu_vtop_common(struct as *asp, uintptr_t addr, physaddr_t *pap) 147 { 148 struct as mas; 149 struct as *masp = &mas; 150 sfmmu_t *hatp; 151 sfmmu_t mhat; 152 sfmmu_t *mhatp = &mhat; 153 int ret; 154 155 if (mdb_vread(masp, sizeof (mas), (uintptr_t)asp) == -1) { 156 mdb_warn("couldn't read as at %p\n", asp); 157 return (DCMD_ERR); 158 } 159 160 hatp = masp->a_hat; 161 162 SFMMU_VTOP_DBG_DBG("hatp=%p addr=%p masp=%p\n", hatp, addr, masp); 163 164 if (mdb_vread(mhatp, sizeof (mhat), (uintptr_t)hatp) == -1) { 165 mdb_warn("couldn't read hat at %p\n", hatp); 166 return (DCMD_ERR); 167 } 168 if (mhatp->sfmmu_as != asp) { 169 mdb_warn("%p is not a valid address space\n", asp); 170 return (DCMD_ERR); 171 } 172 173 ret = sfmmu_vtop_impl(addr, hatp, mhatp, pap); 174 175 return (ret); 176 } 177 178 static int 179 sfmmu_vtop_impl(uintptr_t addr, sfmmu_t *sfmmup, sfmmu_t *msfmmup, 180 physaddr_t *pap) 181 { 182 struct hmehash_bucket *uhme_hash; 183 struct hmehash_bucket *khme_hash; 184 int uhmehash_num; 185 int khmehash_num; 186 sfmmu_t *ksfmmup; 187 struct hmehash_bucket mbucket; 188 struct hmehash_bucket *hmebp; 189 struct hmehash_bucket *shmebp; 190 hmeblk_tag hblktag; 191 int hmeshift; 192 int hashno = 1; 193 struct hme_blk *hmeblkp = NULL; 194 struct hme_blks_max mhmeblkmax; 195 intptr_t thmeblkp; 196 struct sf_hment *sfhmep; 197 int i; 198 ism_blk_t mism_blk; 199 ism_map_t *ism_map; 200 ism_blk_t *ism_blkp; 201 ism_blk_t *sism_blkp; 202 sfmmu_t *ism_hatid = NULL; 203 int sfhmeinx = 0; 204 tte_t tte; 205 pfn_t pfn; 206 pfn_t start_pfn; 207 page_t *pp; 208 int ret = -1; 209 210 SFMMU_VTOP_READSYM(uhme_hash, "uhme_hash", "sfmmu_vtop_impl"); 211 SFMMU_VTOP_DBG_DBG("uhme_hash=%p\t", uhme_hash); 212 SFMMU_VTOP_READSYM(uhmehash_num, "uhmehash_num", "sfmmu_vtop_impl"); 213 SFMMU_VTOP_DBG_DBG("uhmehash_num=%lx\n", uhmehash_num); 214 SFMMU_VTOP_READSYM(khme_hash, "khme_hash", "sfmmu_vtop_impl"); 215 SFMMU_VTOP_DBG_DBG("khme_hash=%p\t", khme_hash); 216 SFMMU_VTOP_READSYM(khmehash_num, "khmehash_num", "sfmmu_vtop_impl"); 217 SFMMU_VTOP_DBG_DBG("khmehash_num=%lx\n", khmehash_num); 218 SFMMU_VTOP_READSYM(ksfmmup, "ksfmmup", "sfmmu_vtop_impl"); 219 SFMMU_VTOP_DBG_DBG("ksfmmup=%p\n", ksfmmup); 220 221 ism_blkp = sism_blkp = msfmmup->sfmmu_iblk; 222 while (ism_blkp != NULL && ism_hatid == NULL) { 223 SFMMU_VTOP_DBG_DBG("ism_blkp=%p\n", ism_blkp); 224 if (mdb_vread(&mism_blk, sizeof (mism_blk), 225 (uintptr_t)ism_blkp) == -1) { 226 mdb_warn("couldn't read ism_blk at %p\n", ism_blkp); 227 return (DCMD_ERR); 228 } 229 ism_blkp = &mism_blk; 230 ism_map = ism_blkp->iblk_maps; 231 for (i = 0; ism_map[i].imap_ismhat && i < ISM_MAP_SLOTS; i++) { 232 if ((caddr_t)addr >= ism_start(ism_map[i]) && 233 (caddr_t)addr < ism_end(ism_map[i])) { 234 sfmmup = ism_hatid = ism_map[i].imap_ismhat; 235 addr = (caddr_t)addr - ism_start(ism_map[i]); 236 SFMMU_VTOP_DBG_VRB("ism_blkp=%p inx=%d\n", 237 sism_blkp, i); 238 SFMMU_VTOP_DBG_DBG("ism map=%p ism hat=%p " 239 "addr=%llx\n", 240 (caddr_t)&ism_map[i] - (caddr_t)ism_blkp 241 + (caddr_t)sism_blkp, sfmmup, addr); 242 break; 243 } 244 } 245 ism_blkp = sism_blkp = ism_blkp->iblk_next; 246 } 247 248 hblktag.htag_id = sfmmup; 249 do { 250 SFMMU_VTOP_DBG_DBG("-hashno=%d-\n", hashno); 251 hmeshift = HME_HASH_SHIFT(hashno); 252 SFMMU_VTOP_DBG_DBG("hmeshift=%d\n", hmeshift); 253 hblktag.htag_bspage = HME_HASH_BSPAGE(addr, hmeshift); 254 hblktag.htag_rehash = hashno; 255 256 #ifdef __sparcv9 257 SFMMU_VTOP_DBG_DBG("hblktag=%lx %lx\n", 258 (uint64_t)hblktag.htag_tag[0], 259 (uint64_t)hblktag.htag_tag[1]); 260 #else 261 SFMMU_VTOP_DBG_DBG("hblktag=%llx\n", 262 (uint64_t)hblktag.htag_tag); 263 #endif 264 265 hmebp = shmebp = HME_HASH_FUNCTION(sfmmup, addr, hmeshift); 266 SFMMU_VTOP_DBG_DBG("hmebp=%p\n", hmebp); 267 268 if (mdb_vread(&mbucket, sizeof (mbucket), 269 (uintptr_t)hmebp) == -1) { 270 mdb_warn("couldn't read mbucket at %p\n", hmebp); 271 return (DCMD_ERR); 272 } 273 274 hmebp = &mbucket; 275 276 for (hmeblkp = hmebp->hmeblkp; hmeblkp; 277 hmeblkp = hmeblkp->hblk_next) { 278 279 SFMMU_VTOP_DBG_DBG("hmeblkp=%p\n", hmeblkp); 280 281 if (hmeblkp == NULL) 282 break; 283 284 if (mdb_vread(&mhmeblkmax, sizeof (struct hme_blk), 285 (uintptr_t)hmeblkp) == -1) { 286 mdb_warn("couldn't read hme_blk at %p\n", 287 hmeblkp); 288 return (DCMD_ERR); 289 } 290 291 thmeblkp = (uintptr_t)hmeblkp; 292 hmeblkp = &mhmeblkmax.hmx_hmeblk; 293 294 if (HTAGS_EQ(hmeblkp->hblk_tag, hblktag)) { 295 /* found hme_blk */ 296 break; 297 } 298 } 299 300 if (hmeblkp != NULL) { 301 sfmmu_vtop_print_hmeblk(hmeblkp); 302 303 sfhmep = mdb_sfmmu_hblktohme(hmeblkp, (caddr_t)addr, 304 &sfhmeinx); 305 306 SFMMU_VTOP_DBG_DBG("sfhmeinx=%d ", sfhmeinx); 307 308 if (sfhmeinx > 0) { 309 thmeblkp += sizeof (struct hme_blk) + 310 sizeof (struct sf_hment) * (sfhmeinx - 1); 311 312 if (mdb_vread(sfhmep, sizeof (struct sf_hment), 313 thmeblkp) == -1) { 314 mdb_warn("couldn't read msfhme at %p\n", 315 sfhmep); 316 return (DCMD_ERR); 317 } 318 } 319 320 SFMMU_VTOP_DBG_VRB("sfmmup=%p hmebp=%p hmeblkp=%p\n", 321 sfmmup, shmebp, thmeblkp); 322 323 tte = sfhmep->hme_tte; 324 SFMMU_VTOP_DBG_VRB("tte=%llx ", tte.ll); 325 if (TTE_IS_VALID(&tte)) { 326 start_pfn = TTE_TO_TTEPFN(&tte); 327 *pap = (start_pfn << MMU_PAGESHIFT) + 328 (addr & TTE_PAGE_OFFSET(tte.tte_size)); 329 pfn = *pap >> MMU_PAGESHIFT; 330 pp = (sfhmep->hme_page != 0) ? 331 sfhmep->hme_page + (pfn - start_pfn) : 332 0; 333 SFMMU_VTOP_DBG_VRB("pfn=%lx pp=%p\n", 334 pfn, pp); 335 ret = 0; 336 } 337 break; 338 } 339 340 hashno++; 341 342 } while (HME_REHASH(msfmmup) && (hashno <= MAX_HASHCNT)); 343 344 return (ret); 345 } 346 347 static void 348 sfmmu_vtop_print_hmeblk(struct hme_blk *hmeblkp) 349 { 350 351 if ((sfmmu_vtop_dbg & SFMMU_VTOP_DBG_DEBUG) == NULL) 352 return; 353 354 mdb_printf(" hblk_nextpa=%llx\n", hmeblkp->hblk_nextpa); 355 #ifdef __sparcv9 356 mdb_printf(" hblktag=%lx %lx\n", hmeblkp->hblk_tag.htag_tag[0], 357 hmeblkp->hblk_tag.htag_tag[1]); 358 #else 359 mdb_printf(" hblktag=%llx\n", hmeblkp->hblk_tag.htag_tag); 360 #endif 361 mdb_printf(" hblk_next=%p\n", hmeblkp->hblk_next); 362 mdb_printf(" hblk_shadow=%p\n", hmeblkp->hblk_shadow); 363 mdb_printf(" hblk_span=%d\n", hmeblkp->hblk_span); 364 mdb_printf(" hblk_ttesz=%d\n", hmeblkp->hblk_ttesz); 365 if (hmeblkp->hblk_shw_bit == 0) { 366 mdb_printf(" hblk_hmecnt=%d\n", hmeblkp->hblk_hmecnt); 367 mdb_printf(" hblk_vcnt=%d\n", hmeblkp->hblk_vcnt); 368 } else { 369 mdb_printf(" hblk_shw_mask=%x\n", hmeblkp->hblk_shw_mask); 370 } 371 } 372 373 static struct sf_hment * 374 mdb_sfmmu_hblktohme(struct hme_blk *hmeblkp, caddr_t addr, int *hmenump) 375 { 376 int index = 0; 377 378 if (get_hblk_ttesz(hmeblkp) == TTE8K) { 379 index = (((uintptr_t)addr >> MMU_PAGESHIFT) & (NHMENTS-1)); 380 } 381 382 if (hmenump) { 383 *hmenump = index; 384 } 385 386 return (&hmeblkp->hblk_hme[index]); 387 } 388 389 /* 390 * memseg walker based callback function: used internal and for ::page_num2pp 391 */ 392 393 struct pfn2pp { 394 pfn_t pfn; 395 page_t *pp; 396 }; 397 398 /*ARGSUSED*/ 399 int 400 page_num2pp_cb(uintptr_t addr, void *ignored, uintptr_t *data) 401 { 402 struct memseg ms, *msp = &ms; 403 struct pfn2pp *p = (struct pfn2pp *)data; 404 405 if (mdb_vread(msp, sizeof (struct memseg), addr) == -1) { 406 mdb_warn("can't read memseg at %#lx", addr); 407 return (DCMD_ERR); 408 } 409 410 if (p->pfn >= msp->pages_base && p->pfn < msp->pages_end) { 411 p->pp = msp->pages + (p->pfn - msp->pages_base); 412 return (WALK_DONE); 413 } 414 415 return (WALK_NEXT); 416 } 417 418 /* 419 * ::page_num2pp dcmd 420 */ 421 /*ARGSUSED*/ 422 int 423 page_num2pp(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 424 { 425 struct pfn2pp pfn2pp; 426 page_t page; 427 428 if ((flags & DCMD_ADDRSPEC) == 0) { 429 mdb_warn("page frame number missing\n"); 430 return (DCMD_USAGE); 431 } 432 433 pfn2pp.pfn = (pfn_t)addr; 434 pfn2pp.pp = NULL; 435 436 if (mdb_walk("memseg", (mdb_walk_cb_t)page_num2pp_cb, 437 (void *)&pfn2pp) == -1) { 438 mdb_warn("can't walk memseg"); 439 return (DCMD_ERR); 440 } 441 442 if (pfn2pp.pp == NULL) 443 return (DCMD_ERR); 444 445 mdb_printf("%lx has mpage at %p\n", pfn2pp.pfn, pfn2pp.pp); 446 447 if (mdb_vread(&page, sizeof (page_t), 448 (uintptr_t)pfn2pp.pp) == -1) { 449 mdb_warn("can't read page at %p", &page); 450 return (DCMD_ERR); 451 } 452 453 if (page.p_pagenum != pfn2pp.pfn) { 454 mdb_warn("WARNING! Found page structure contains " 455 "different pagenumber %x\n", page.p_pagenum); 456 } 457 458 return (DCMD_OK); 459 } 460 461 /* 462 * ::memseg_list dcmd 463 */ 464 /*ARGSUSED*/ 465 int 466 memseg_list(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 467 { 468 struct memseg ms; 469 470 if (!(flags & DCMD_ADDRSPEC)) { 471 if (mdb_pwalk_dcmd("memseg", "memseg_list", 472 0, NULL, 0) == -1) { 473 mdb_warn("can't walk memseg"); 474 return (DCMD_ERR); 475 } 476 return (DCMD_OK); 477 } 478 479 if (DCMD_HDRSPEC(flags)) 480 mdb_printf("%<u>%?s %?s %?s %?s %?s%</u>\n", "ADDR", 481 "PAGES", "EPAGES", "BASE", "END"); 482 483 if (mdb_vread(&ms, sizeof (struct memseg), addr) == -1) { 484 mdb_warn("can't read memseg at %#lx", addr); 485 return (DCMD_ERR); 486 } 487 488 mdb_printf("%0?lx %0?lx %0?lx %0?lx %0?lx\n", addr, 489 ms.pages, ms.epages, ms.pages_base, ms.pages_end); 490 491 return (DCMD_OK); 492 } 493 494 /* 495 * walk the memseg structures 496 */ 497 int 498 memseg_walk_init(mdb_walk_state_t *wsp) 499 { 500 if (wsp->walk_addr != NULL) { 501 mdb_warn("memseg only supports global walks\n"); 502 return (WALK_ERR); 503 } 504 505 if (mdb_readvar(&wsp->walk_addr, "memsegs") == -1) { 506 mdb_warn("symbol 'memsegs' not found"); 507 return (WALK_ERR); 508 } 509 510 wsp->walk_data = mdb_alloc(sizeof (struct memseg), UM_SLEEP); 511 return (WALK_NEXT); 512 513 } 514 515 int 516 memseg_walk_step(mdb_walk_state_t *wsp) 517 { 518 int status; 519 520 if (wsp->walk_addr == 0) { 521 return (WALK_DONE); 522 } 523 524 if (mdb_vread(wsp->walk_data, sizeof (struct memseg), 525 wsp->walk_addr) == -1) { 526 mdb_warn("failed to read struct memseg at %p", wsp->walk_addr); 527 return (WALK_DONE); 528 } 529 530 status = wsp->walk_callback(wsp->walk_addr, wsp->walk_data, 531 wsp->walk_cbdata); 532 533 wsp->walk_addr = (uintptr_t)(((struct memseg *)wsp->walk_data)->next); 534 535 return (status); 536 } 537 538 void 539 memseg_walk_fini(mdb_walk_state_t *wsp) 540 { 541 mdb_free(wsp->walk_data, sizeof (struct memseg)); 542 } 543 544 int 545 platform_vtop(uintptr_t addr, struct as *asp, physaddr_t *pap) 546 { 547 int rv; 548 549 sfmmu_vtop_dbg = sfmmu_vtop_dbg_wanted; 550 551 SFMMU_VTOP_DBG_DBG("platform_vtop: called.\n"); 552 553 if (asp == NULL) { 554 return (DCMD_ERR); 555 } 556 557 if ((rv = sfmmu_vtop_common(asp, addr, pap)) == 0) { 558 mdb_printf("address space %p: ", asp); 559 } 560 561 return (rv); 562 } 563 564 /* 565 * ::tsbinfo help 566 */ 567 void 568 tsbinfo_help(void) 569 { 570 mdb_printf("-l\tlist valid TSB entries.\n" 571 "-a\tlist all TSB entries. Can only be used with -l.\n"); 572 } 573 574 /* 575 * ::tsbinfo dcmd 576 */ 577 int 578 tsbinfo_list(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv) 579 { 580 uint_t lflag = 0, aflag = 0; 581 struct tsb_info tsbinfo; 582 unsigned int entries = 0; 583 struct tsbe *tsbp, *tsbend, *tsbstart; 584 caddr_t va; 585 uintptr_t pa; 586 uint_t tsbbytes; 587 char tsbsize[16]; 588 #define FLAGS_SIZE sizeof ("RELOC,FLUSH,SWAPPED") 589 char tsbflags[FLAGS_SIZE + 1]; 590 591 static const mdb_bitmask_t ttesz_mask_bits[] = { 592 { "8K", TSB8K, TSB8K }, 593 { "64K", TSB64K, TSB64K }, 594 { "512K", TSB512K, TSB512K }, 595 { "4M", TSB4M, TSB4M }, 596 { NULL, 0, 0 } 597 }; 598 599 static const mdb_bitmask_t flags_bits[] = { 600 { "RELOC", TSB_RELOC_FLAG, TSB_RELOC_FLAG }, 601 { "FLUSH", TSB_FLUSH_NEEDED, TSB_FLUSH_NEEDED }, 602 { "SWAPPED", TSB_SWAPPED, TSB_SWAPPED }, 603 { NULL, 0, 0 } 604 }; 605 606 if (!(flags & DCMD_ADDRSPEC)) { 607 return (DCMD_USAGE); 608 } 609 610 if (mdb_getopts(argc, argv, 611 'l', MDB_OPT_SETBITS, TRUE, &lflag, 612 'a', MDB_OPT_SETBITS, TRUE, &aflag, 613 NULL) != argc) { 614 return (DCMD_USAGE); 615 } 616 617 /* -a only valid with -l */ 618 if (aflag && !lflag) { 619 return (DCMD_USAGE); 620 } 621 622 /* Print header? */ 623 if (DCMD_HDRSPEC(flags) || lflag) { 624 mdb_printf("%<u>%-?s %-?s %-8s %-*s %s%</u>\n", "TSBINFO", 625 "TSB", "SIZE", FLAGS_SIZE, "FLAGS", "TTE SIZES"); 626 } 627 628 if (mdb_vread(&tsbinfo, sizeof (struct tsb_info), addr) == -1) { 629 mdb_warn("failed to read struct tsb_info at %p", addr); 630 return (DCMD_ERR); 631 } 632 633 mdb_printf("%0?lx ", addr); 634 635 /* Print a "-" if the TSB is swapped out. */ 636 if ((tsbinfo.tsb_flags & TSB_SWAPPED) == 0) { 637 mdb_printf("%0?lx ", tsbinfo.tsb_va); 638 } else { 639 mdb_printf("%0?-s ", "-"); 640 } 641 642 tsbbytes = TSB_BYTES(tsbinfo.tsb_szc); 643 644 #define KB 1024 645 #define MB (KB*KB) 646 if (tsbbytes >= MB) { 647 mdb_snprintf(tsbsize, sizeof (tsbsize), "%dM", tsbbytes / MB); 648 } else { 649 mdb_snprintf(tsbsize, sizeof (tsbsize), "%dK", tsbbytes / KB); 650 } 651 #undef MB 652 #undef KB 653 mdb_printf("%-8s ", tsbsize); 654 655 if (tsbinfo.tsb_flags == 0) { 656 mdb_printf("%-*s ", FLAGS_SIZE, "-"); 657 } else { 658 mdb_snprintf(tsbflags, sizeof (tsbflags), "%b", 659 tsbinfo.tsb_flags, flags_bits); 660 mdb_printf("%-*s ", FLAGS_SIZE, tsbflags); 661 } 662 663 mdb_printf("%b\n", tsbinfo.tsb_ttesz_mask, ttesz_mask_bits); 664 665 /* Print TSB entries? */ 666 if (lflag) { 667 668 if ((tsbinfo.tsb_flags & TSB_SWAPPED) == 0) { 669 670 entries = TSB_ENTRIES(tsbinfo.tsb_szc); 671 672 tsbp = mdb_alloc(sizeof (struct tsbe) * entries, 673 UM_SLEEP); 674 675 if (mdb_vread(tsbp, sizeof (struct tsbe) * entries, 676 (uintptr_t)tsbinfo.tsb_va) == -1) { 677 mdb_warn("failed to read TSB at %p", 678 tsbinfo.tsb_va); 679 return (DCMD_ERR); 680 } 681 682 mdb_printf( 683 "TSB @ %lx (%d entries)\n" 684 "%-?s %-17s %s\n" 685 "%<u>%-?s %1s %1s %-11s %1s %1s %1s " 686 "%1s %1s %2s %8s %1s %1s %1s %1s %1s %1s " 687 "%1s %1s %1s %1s %1s%</u>\n", 688 tsbinfo.tsb_va, entries, 689 "", "TAG", "TTE", 690 "ADDR", "I", "L", "VA 63:22", "V", 691 "S", "N", "I", "H", "LC", "PA 42:13", "R", 692 "W", "N", "X", "L", "P", "V", "E", "P", 693 "W", "G"); 694 695 tsbend = tsbp + entries; 696 for (tsbstart = tsbp; tsbp < tsbend; tsbp++) { 697 if (aflag || 698 (tsbp->tte_tag.tag_invalid == 0)) { 699 700 va = (caddr_t) 701 (((uint64_t)tsbp->tte_tag.tag_vahi 702 << 32) + 703 tsbp->tte_tag.tag_valo); 704 pa = (tsbp->tte_data.tte_pahi << 19) + 705 tsbp->tte_data.tte_palo; 706 mdb_printf("%0?lx %-1u %-1u " 707 "%011lx %1u %-1u %-1u %-1u %-1u " 708 "%-2u %08x %1u %1u %1u %1u %1u " 709 "%1u %1u %1u %1u %1u %1u\n", 710 tsbinfo.tsb_va + (tsbp - tsbstart) 711 * sizeof (struct tsbe), 712 tsbp->tte_tag.tag_invalid, 713 tsbp->tte_tag.tag_locked, va, 714 tsbp->tte_data.tte_val, 715 tsbp->tte_data.tte_size, 716 tsbp->tte_data.tte_nfo, 717 tsbp->tte_data.tte_ie, 718 tsbp->tte_data.tte_hmenum, 719 #ifdef sun4v 720 0, 721 #else 722 tsbp->tte_data.tte_lckcnt, 723 #endif 724 pa, 725 tsbp->tte_data.tte_ref, 726 tsbp->tte_data.tte_wr_perm, 727 tsbp->tte_data.tte_no_sync, 728 tsbp->tte_data.tte_exec_perm, 729 tsbp->tte_data.tte_lock, 730 tsbp->tte_data.tte_cp, 731 tsbp->tte_data.tte_cv, 732 tsbp->tte_data.tte_se, 733 tsbp->tte_data.tte_priv, 734 tsbp->tte_data.tte_hwwr, 735 #ifdef sun4v 736 0 737 #else 738 tsbp->tte_data.tte_glb 739 #endif 740 /*CSTYLED*/ 741 ); 742 } 743 } 744 745 mdb_printf("\n"); /* blank line for readability */ 746 747 mdb_free(tsbstart, sizeof (struct tsbe) * entries); 748 749 } else { 750 751 mdb_printf("TSB swapped out\n"); 752 } 753 } 754 755 return (DCMD_OK); 756 } 757