1 /*- 2 * Copyright (c) 1998 Doug Rabson 3 * Copyright (c) 2000 Mitsuru IWASAKI <iwasaki@FreeBSD.org> 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 * 27 * $FreeBSD$ 28 */ 29 30 #include <sys/param.h> 31 #include <sys/endian.h> 32 #include <sys/stat.h> 33 #include <sys/wait.h> 34 #include <assert.h> 35 #include <err.h> 36 #include <fcntl.h> 37 #include <paths.h> 38 #include <stdio.h> 39 #include <stdint.h> 40 #include <stdlib.h> 41 #include <string.h> 42 #include <unistd.h> 43 44 #include "acpidump.h" 45 46 #define BEGIN_COMMENT "/*\n" 47 #define END_COMMENT " */\n" 48 49 static void acpi_print_string(char *s, size_t length); 50 static void acpi_print_gas(ACPI_GENERIC_ADDRESS *gas); 51 static int acpi_get_fadt_revision(ACPI_TABLE_FADT *fadt); 52 static void acpi_handle_fadt(ACPI_TABLE_HEADER *fadt); 53 static void acpi_print_cpu(u_char cpu_id); 54 static void acpi_print_cpu_uid(uint32_t uid, char *uid_string); 55 static void acpi_print_local_apic(uint32_t apic_id, uint32_t flags); 56 static void acpi_print_io_apic(uint32_t apic_id, uint32_t int_base, 57 uint64_t apic_addr); 58 static void acpi_print_mps_flags(uint16_t flags); 59 static void acpi_print_intr(uint32_t intr, uint16_t mps_flags); 60 static void acpi_print_local_nmi(u_int lint, uint16_t mps_flags); 61 static void acpi_print_madt(ACPI_SUBTABLE_HEADER *mp); 62 static void acpi_handle_madt(ACPI_TABLE_HEADER *sdp); 63 static void acpi_handle_ecdt(ACPI_TABLE_HEADER *sdp); 64 static void acpi_handle_hpet(ACPI_TABLE_HEADER *sdp); 65 static void acpi_handle_mcfg(ACPI_TABLE_HEADER *sdp); 66 static void acpi_handle_slit(ACPI_TABLE_HEADER *sdp); 67 static void acpi_print_srat_cpu(uint32_t apic_id, uint32_t proximity_domain, 68 uint32_t flags); 69 static void acpi_print_srat_memory(ACPI_SRAT_MEM_AFFINITY *mp); 70 static void acpi_print_srat(ACPI_SUBTABLE_HEADER *srat); 71 static void acpi_handle_srat(ACPI_TABLE_HEADER *sdp); 72 static void acpi_handle_tcpa(ACPI_TABLE_HEADER *sdp); 73 static void acpi_print_sdt(ACPI_TABLE_HEADER *sdp); 74 static void acpi_print_fadt(ACPI_TABLE_HEADER *sdp); 75 static void acpi_print_facs(ACPI_TABLE_FACS *facs); 76 static void acpi_print_dsdt(ACPI_TABLE_HEADER *dsdp); 77 static ACPI_TABLE_HEADER *acpi_map_sdt(vm_offset_t pa); 78 static void acpi_print_rsd_ptr(ACPI_TABLE_RSDP *rp); 79 static void acpi_handle_rsdt(ACPI_TABLE_HEADER *rsdp); 80 static void acpi_walk_subtables(ACPI_TABLE_HEADER *table, void *first, 81 void (*action)(ACPI_SUBTABLE_HEADER *)); 82 83 /* Size of an address. 32-bit for ACPI 1.0, 64-bit for ACPI 2.0 and up. */ 84 static int addr_size; 85 86 /* Strings used in the TCPA table */ 87 static const char *tcpa_event_type_strings[] = { 88 "PREBOOT Certificate", 89 "POST Code", 90 "Unused", 91 "No Action", 92 "Separator", 93 "Action", 94 "Event Tag", 95 "S-CRTM Contents", 96 "S-CRTM Version", 97 "CPU Microcode", 98 "Platform Config Flags", 99 "Table of Devices", 100 "Compact Hash", 101 "IPL", 102 "IPL Partition Data", 103 "Non-Host Code", 104 "Non-Host Config", 105 "Non-Host Info" 106 }; 107 108 static const char *TCPA_pcclient_strings[] = { 109 "<undefined>", 110 "SMBIOS", 111 "BIS Certificate", 112 "POST BIOS ROM Strings", 113 "ESCD", 114 "CMOS", 115 "NVRAM", 116 "Option ROM Execute", 117 "Option ROM Configurateion", 118 "<undefined>", 119 "Option ROM Microcode Update ", 120 "S-CRTM Version String", 121 "S-CRTM Contents", 122 "POST Contents", 123 "Table of Devices", 124 }; 125 126 static void 127 acpi_print_string(char *s, size_t length) 128 { 129 int c; 130 131 /* Trim trailing spaces and NULLs */ 132 while (length > 0 && (s[length - 1] == ' ' || s[length - 1] == '\0')) 133 length--; 134 135 while (length--) { 136 c = *s++; 137 putchar(c); 138 } 139 } 140 141 static void 142 acpi_print_gas(ACPI_GENERIC_ADDRESS *gas) 143 { 144 switch(gas->SpaceId) { 145 case ACPI_GAS_MEMORY: 146 printf("0x%08lx:%u[%u] (Memory)", (u_long)gas->Address, 147 gas->BitOffset, gas->BitWidth); 148 break; 149 case ACPI_GAS_IO: 150 printf("0x%02lx:%u[%u] (IO)", (u_long)gas->Address, 151 gas->BitOffset, gas->BitWidth); 152 break; 153 case ACPI_GAS_PCI: 154 printf("%x:%x+0x%x (PCI)", (uint16_t)(gas->Address >> 32), 155 (uint16_t)((gas->Address >> 16) & 0xffff), 156 (uint16_t)gas->Address); 157 break; 158 /* XXX How to handle these below? */ 159 case ACPI_GAS_EMBEDDED: 160 printf("0x%x:%u[%u] (EC)", (uint16_t)gas->Address, 161 gas->BitOffset, gas->BitWidth); 162 break; 163 case ACPI_GAS_SMBUS: 164 printf("0x%x:%u[%u] (SMBus)", (uint16_t)gas->Address, 165 gas->BitOffset, gas->BitWidth); 166 break; 167 case ACPI_GAS_CMOS: 168 case ACPI_GAS_PCIBAR: 169 case ACPI_GAS_DATATABLE: 170 case ACPI_GAS_FIXED: 171 default: 172 printf("0x%08lx (?)", (u_long)gas->Address); 173 break; 174 } 175 } 176 177 /* The FADT revision indicates whether we use the DSDT or X_DSDT addresses. */ 178 static int 179 acpi_get_fadt_revision(ACPI_TABLE_FADT *fadt) 180 { 181 int fadt_revision; 182 183 /* Set the FADT revision separately from the RSDP version. */ 184 if (addr_size == 8) { 185 fadt_revision = 2; 186 187 /* 188 * A few systems (e.g., IBM T23) have an RSDP that claims 189 * revision 2 but the 64 bit addresses are invalid. If 190 * revision 2 and the 32 bit address is non-zero but the 191 * 32 and 64 bit versions don't match, prefer the 32 bit 192 * version for all subsequent tables. 193 */ 194 if (fadt->Facs != 0 && 195 (fadt->XFacs & 0xffffffff) != fadt->Facs) 196 fadt_revision = 1; 197 } else 198 fadt_revision = 1; 199 return (fadt_revision); 200 } 201 202 static void 203 acpi_handle_fadt(ACPI_TABLE_HEADER *sdp) 204 { 205 ACPI_TABLE_HEADER *dsdp; 206 ACPI_TABLE_FACS *facs; 207 ACPI_TABLE_FADT *fadt; 208 int fadt_revision; 209 210 fadt = (ACPI_TABLE_FADT *)sdp; 211 acpi_print_fadt(sdp); 212 213 fadt_revision = acpi_get_fadt_revision(fadt); 214 if (fadt_revision == 1) 215 facs = (ACPI_TABLE_FACS *)acpi_map_sdt(fadt->Facs); 216 else 217 facs = (ACPI_TABLE_FACS *)acpi_map_sdt(fadt->XFacs); 218 if (memcmp(facs->Signature, ACPI_SIG_FACS, 4) != 0 || facs->Length < 64) 219 errx(1, "FACS is corrupt"); 220 acpi_print_facs(facs); 221 222 if (fadt_revision == 1) 223 dsdp = (ACPI_TABLE_HEADER *)acpi_map_sdt(fadt->Dsdt); 224 else 225 dsdp = (ACPI_TABLE_HEADER *)acpi_map_sdt(fadt->XDsdt); 226 if (acpi_checksum(dsdp, dsdp->Length)) 227 errx(1, "DSDT is corrupt"); 228 acpi_print_dsdt(dsdp); 229 } 230 231 static void 232 acpi_walk_subtables(ACPI_TABLE_HEADER *table, void *first, 233 void (*action)(ACPI_SUBTABLE_HEADER *)) 234 { 235 ACPI_SUBTABLE_HEADER *subtable; 236 char *end; 237 238 subtable = first; 239 end = (char *)table + table->Length; 240 while ((char *)subtable < end) { 241 printf("\n"); 242 action(subtable); 243 subtable = (ACPI_SUBTABLE_HEADER *)((char *)subtable + 244 subtable->Length); 245 } 246 } 247 248 static void 249 acpi_print_cpu(u_char cpu_id) 250 { 251 252 printf("\tACPI CPU="); 253 if (cpu_id == 0xff) 254 printf("ALL\n"); 255 else 256 printf("%d\n", (u_int)cpu_id); 257 } 258 259 static void 260 acpi_print_cpu_uid(uint32_t uid, char *uid_string) 261 { 262 263 printf("\tUID=%d", uid); 264 if (uid_string != NULL) 265 printf(" (%s)", uid_string); 266 printf("\n"); 267 } 268 269 static void 270 acpi_print_local_apic(uint32_t apic_id, uint32_t flags) 271 { 272 273 printf("\tFlags={"); 274 if (flags & ACPI_MADT_ENABLED) 275 printf("ENABLED"); 276 else 277 printf("DISABLED"); 278 printf("}\n"); 279 printf("\tAPIC ID=%d\n", apic_id); 280 } 281 282 static void 283 acpi_print_io_apic(uint32_t apic_id, uint32_t int_base, uint64_t apic_addr) 284 { 285 286 printf("\tAPIC ID=%d\n", apic_id); 287 printf("\tINT BASE=%d\n", int_base); 288 printf("\tADDR=0x%016jx\n", (uintmax_t)apic_addr); 289 } 290 291 static void 292 acpi_print_mps_flags(uint16_t flags) 293 { 294 295 printf("\tFlags={Polarity="); 296 switch (flags & ACPI_MADT_POLARITY_MASK) { 297 case ACPI_MADT_POLARITY_CONFORMS: 298 printf("conforming"); 299 break; 300 case ACPI_MADT_POLARITY_ACTIVE_HIGH: 301 printf("active-hi"); 302 break; 303 case ACPI_MADT_POLARITY_ACTIVE_LOW: 304 printf("active-lo"); 305 break; 306 default: 307 printf("0x%x", flags & ACPI_MADT_POLARITY_MASK); 308 break; 309 } 310 printf(", Trigger="); 311 switch (flags & ACPI_MADT_TRIGGER_MASK) { 312 case ACPI_MADT_TRIGGER_CONFORMS: 313 printf("conforming"); 314 break; 315 case ACPI_MADT_TRIGGER_EDGE: 316 printf("edge"); 317 break; 318 case ACPI_MADT_TRIGGER_LEVEL: 319 printf("level"); 320 break; 321 default: 322 printf("0x%x", (flags & ACPI_MADT_TRIGGER_MASK) >> 2); 323 } 324 printf("}\n"); 325 } 326 327 static void 328 acpi_print_intr(uint32_t intr, uint16_t mps_flags) 329 { 330 331 printf("\tINTR=%d\n", intr); 332 acpi_print_mps_flags(mps_flags); 333 } 334 335 static void 336 acpi_print_local_nmi(u_int lint, uint16_t mps_flags) 337 { 338 339 printf("\tLINT Pin=%d\n", lint); 340 acpi_print_mps_flags(mps_flags); 341 } 342 343 static const char *apic_types[] = { "Local APIC", "IO APIC", "INT Override", 344 "NMI", "Local APIC NMI", 345 "Local APIC Override", "IO SAPIC", 346 "Local SAPIC", "Platform Interrupt", 347 "Local X2APIC", "Local X2APIC NMI" }; 348 static const char *platform_int_types[] = { "0 (unknown)", "PMI", "INIT", 349 "Corrected Platform Error" }; 350 351 static void 352 acpi_print_madt(ACPI_SUBTABLE_HEADER *mp) 353 { 354 ACPI_MADT_LOCAL_APIC *lapic; 355 ACPI_MADT_IO_APIC *ioapic; 356 ACPI_MADT_INTERRUPT_OVERRIDE *over; 357 ACPI_MADT_NMI_SOURCE *nmi; 358 ACPI_MADT_LOCAL_APIC_NMI *lapic_nmi; 359 ACPI_MADT_LOCAL_APIC_OVERRIDE *lapic_over; 360 ACPI_MADT_IO_SAPIC *iosapic; 361 ACPI_MADT_LOCAL_SAPIC *lsapic; 362 ACPI_MADT_INTERRUPT_SOURCE *isrc; 363 ACPI_MADT_LOCAL_X2APIC *x2apic; 364 ACPI_MADT_LOCAL_X2APIC_NMI *x2apic_nmi; 365 366 if (mp->Type < sizeof(apic_types) / sizeof(apic_types[0])) 367 printf("\tType=%s\n", apic_types[mp->Type]); 368 else 369 printf("\tType=%d (unknown)\n", mp->Type); 370 switch (mp->Type) { 371 case ACPI_MADT_TYPE_LOCAL_APIC: 372 lapic = (ACPI_MADT_LOCAL_APIC *)mp; 373 acpi_print_cpu(lapic->ProcessorId); 374 acpi_print_local_apic(lapic->Id, lapic->LapicFlags); 375 break; 376 case ACPI_MADT_TYPE_IO_APIC: 377 ioapic = (ACPI_MADT_IO_APIC *)mp; 378 acpi_print_io_apic(ioapic->Id, ioapic->GlobalIrqBase, 379 ioapic->Address); 380 break; 381 case ACPI_MADT_TYPE_INTERRUPT_OVERRIDE: 382 over = (ACPI_MADT_INTERRUPT_OVERRIDE *)mp; 383 printf("\tBUS=%d\n", (u_int)over->Bus); 384 printf("\tIRQ=%d\n", (u_int)over->SourceIrq); 385 acpi_print_intr(over->GlobalIrq, over->IntiFlags); 386 break; 387 case ACPI_MADT_TYPE_NMI_SOURCE: 388 nmi = (ACPI_MADT_NMI_SOURCE *)mp; 389 acpi_print_intr(nmi->GlobalIrq, nmi->IntiFlags); 390 break; 391 case ACPI_MADT_TYPE_LOCAL_APIC_NMI: 392 lapic_nmi = (ACPI_MADT_LOCAL_APIC_NMI *)mp; 393 acpi_print_cpu(lapic_nmi->ProcessorId); 394 acpi_print_local_nmi(lapic_nmi->Lint, lapic_nmi->IntiFlags); 395 break; 396 case ACPI_MADT_TYPE_LOCAL_APIC_OVERRIDE: 397 lapic_over = (ACPI_MADT_LOCAL_APIC_OVERRIDE *)mp; 398 printf("\tLocal APIC ADDR=0x%016jx\n", 399 (uintmax_t)lapic_over->Address); 400 break; 401 case ACPI_MADT_TYPE_IO_SAPIC: 402 iosapic = (ACPI_MADT_IO_SAPIC *)mp; 403 acpi_print_io_apic(iosapic->Id, iosapic->GlobalIrqBase, 404 iosapic->Address); 405 break; 406 case ACPI_MADT_TYPE_LOCAL_SAPIC: 407 lsapic = (ACPI_MADT_LOCAL_SAPIC *)mp; 408 acpi_print_cpu(lsapic->ProcessorId); 409 acpi_print_local_apic(lsapic->Id, lsapic->LapicFlags); 410 printf("\tAPIC EID=%d\n", (u_int)lsapic->Eid); 411 if (mp->Length > __offsetof(ACPI_MADT_LOCAL_SAPIC, Uid)) 412 acpi_print_cpu_uid(lsapic->Uid, lsapic->UidString); 413 break; 414 case ACPI_MADT_TYPE_INTERRUPT_SOURCE: 415 isrc = (ACPI_MADT_INTERRUPT_SOURCE *)mp; 416 if (isrc->Type < sizeof(platform_int_types) / 417 sizeof(platform_int_types[0])) 418 printf("\tType=%s\n", platform_int_types[isrc->Type]); 419 else 420 printf("\tType=%d (unknown)\n", isrc->Type); 421 printf("\tAPIC ID=%d\n", (u_int)isrc->Id); 422 printf("\tAPIC EID=%d\n", (u_int)isrc->Eid); 423 printf("\tSAPIC Vector=%d\n", (u_int)isrc->IoSapicVector); 424 acpi_print_intr(isrc->GlobalIrq, isrc->IntiFlags); 425 break; 426 case ACPI_MADT_TYPE_LOCAL_X2APIC: 427 x2apic = (ACPI_MADT_LOCAL_X2APIC *)mp; 428 acpi_print_cpu_uid(x2apic->Uid, NULL); 429 acpi_print_local_apic(x2apic->LocalApicId, x2apic->LapicFlags); 430 break; 431 case ACPI_MADT_TYPE_LOCAL_X2APIC_NMI: 432 x2apic_nmi = (ACPI_MADT_LOCAL_X2APIC_NMI *)mp; 433 acpi_print_cpu_uid(x2apic_nmi->Uid, NULL); 434 acpi_print_local_nmi(x2apic_nmi->Lint, x2apic_nmi->IntiFlags); 435 break; 436 } 437 } 438 439 static void 440 acpi_handle_madt(ACPI_TABLE_HEADER *sdp) 441 { 442 ACPI_TABLE_MADT *madt; 443 444 printf(BEGIN_COMMENT); 445 acpi_print_sdt(sdp); 446 madt = (ACPI_TABLE_MADT *)sdp; 447 printf("\tLocal APIC ADDR=0x%08x\n", madt->Address); 448 printf("\tFlags={"); 449 if (madt->Flags & ACPI_MADT_PCAT_COMPAT) 450 printf("PC-AT"); 451 printf("}\n"); 452 acpi_walk_subtables(sdp, (madt + 1), acpi_print_madt); 453 printf(END_COMMENT); 454 } 455 456 static void 457 acpi_handle_hpet(ACPI_TABLE_HEADER *sdp) 458 { 459 ACPI_TABLE_HPET *hpet; 460 461 printf(BEGIN_COMMENT); 462 acpi_print_sdt(sdp); 463 hpet = (ACPI_TABLE_HPET *)sdp; 464 printf("\tHPET Number=%d\n", hpet->Sequence); 465 printf("\tADDR="); 466 acpi_print_gas(&hpet->Address); 467 printf("\tHW Rev=0x%x\n", hpet->Id & ACPI_HPET_ID_HARDWARE_REV_ID); 468 printf("\tComparators=%d\n", (hpet->Id & ACPI_HPET_ID_COMPARATORS) >> 469 8); 470 printf("\tCounter Size=%d\n", hpet->Id & ACPI_HPET_ID_COUNT_SIZE_CAP ? 471 1 : 0); 472 printf("\tLegacy IRQ routing capable={"); 473 if (hpet->Id & ACPI_HPET_ID_LEGACY_CAPABLE) 474 printf("TRUE}\n"); 475 else 476 printf("FALSE}\n"); 477 printf("\tPCI Vendor ID=0x%04x\n", hpet->Id >> 16); 478 printf("\tMinimal Tick=%d\n", hpet->MinimumTick); 479 printf(END_COMMENT); 480 } 481 482 static void 483 acpi_handle_ecdt(ACPI_TABLE_HEADER *sdp) 484 { 485 ACPI_TABLE_ECDT *ecdt; 486 487 printf(BEGIN_COMMENT); 488 acpi_print_sdt(sdp); 489 ecdt = (ACPI_TABLE_ECDT *)sdp; 490 printf("\tEC_CONTROL="); 491 acpi_print_gas(&ecdt->Control); 492 printf("\n\tEC_DATA="); 493 acpi_print_gas(&ecdt->Data); 494 printf("\n\tUID=%#x, ", ecdt->Uid); 495 printf("GPE_BIT=%#x\n", ecdt->Gpe); 496 printf("\tEC_ID=%s\n", ecdt->Id); 497 printf(END_COMMENT); 498 } 499 500 static void 501 acpi_handle_mcfg(ACPI_TABLE_HEADER *sdp) 502 { 503 ACPI_TABLE_MCFG *mcfg; 504 ACPI_MCFG_ALLOCATION *alloc; 505 u_int i, entries; 506 507 printf(BEGIN_COMMENT); 508 acpi_print_sdt(sdp); 509 mcfg = (ACPI_TABLE_MCFG *)sdp; 510 entries = (sdp->Length - sizeof(ACPI_TABLE_MCFG)) / 511 sizeof(ACPI_MCFG_ALLOCATION); 512 alloc = (ACPI_MCFG_ALLOCATION *)(mcfg + 1); 513 for (i = 0; i < entries; i++, alloc++) { 514 printf("\n"); 515 printf("\tBase Address=0x%016jx\n", alloc->Address); 516 printf("\tSegment Group=0x%04x\n", alloc->PciSegment); 517 printf("\tStart Bus=%d\n", alloc->StartBusNumber); 518 printf("\tEnd Bus=%d\n", alloc->EndBusNumber); 519 } 520 printf(END_COMMENT); 521 } 522 523 static void 524 acpi_handle_slit(ACPI_TABLE_HEADER *sdp) 525 { 526 ACPI_TABLE_SLIT *slit; 527 UINT64 i, j; 528 529 printf(BEGIN_COMMENT); 530 acpi_print_sdt(sdp); 531 slit = (ACPI_TABLE_SLIT *)sdp; 532 printf("\tLocality Count=%jd\n", slit->LocalityCount); 533 printf("\n\t "); 534 for (i = 0; i < slit->LocalityCount; i++) 535 printf(" %3jd", i); 536 printf("\n\t +"); 537 for (i = 0; i < slit->LocalityCount; i++) 538 printf("----"); 539 printf("\n"); 540 for (i = 0; i < slit->LocalityCount; i++) { 541 printf("\t %3jd |", i); 542 for (j = 0; j < slit->LocalityCount; j++) 543 printf(" %3d", 544 slit->Entry[i * slit->LocalityCount + j]); 545 printf("\n"); 546 } 547 printf(END_COMMENT); 548 } 549 550 static void 551 acpi_print_srat_cpu(uint32_t apic_id, uint32_t proximity_domain, 552 uint32_t flags) 553 { 554 555 printf("\tFlags={"); 556 if (flags & ACPI_SRAT_CPU_ENABLED) 557 printf("ENABLED"); 558 else 559 printf("DISABLED"); 560 printf("}\n"); 561 printf("\tAPIC ID=%d\n", apic_id); 562 printf("\tProximity Domain=%d\n", proximity_domain); 563 } 564 565 static char * 566 acpi_tcpa_evname(struct TCPAevent *event) 567 { 568 struct TCPApc_event *pc_event; 569 char *eventname = NULL; 570 571 pc_event = (struct TCPApc_event *)(event + 1); 572 573 switch(event->event_type) { 574 case PREBOOT: 575 case POST_CODE: 576 case UNUSED: 577 case NO_ACTION: 578 case SEPARATOR: 579 case SCRTM_CONTENTS: 580 case SCRTM_VERSION: 581 case CPU_MICROCODE: 582 case PLATFORM_CONFIG_FLAGS: 583 case TABLE_OF_DEVICES: 584 case COMPACT_HASH: 585 case IPL: 586 case IPL_PARTITION_DATA: 587 case NONHOST_CODE: 588 case NONHOST_CONFIG: 589 case NONHOST_INFO: 590 asprintf(&eventname, "%s", 591 tcpa_event_type_strings[event->event_type]); 592 break; 593 594 case ACTION: 595 eventname = calloc(event->event_size + 1, sizeof(char)); 596 memcpy(eventname, pc_event, event->event_size); 597 break; 598 599 case EVENT_TAG: 600 switch (pc_event->event_id) { 601 case SMBIOS: 602 case BIS_CERT: 603 case CMOS: 604 case NVRAM: 605 case OPTION_ROM_EXEC: 606 case OPTION_ROM_CONFIG: 607 case S_CRTM_VERSION: 608 case POST_BIOS_ROM: 609 case ESCD: 610 case OPTION_ROM_MICROCODE: 611 case S_CRTM_CONTENTS: 612 case POST_CONTENTS: 613 asprintf(&eventname, "%s", 614 TCPA_pcclient_strings[pc_event->event_id]); 615 break; 616 617 default: 618 asprintf(&eventname, "<unknown tag 0x%02x>", 619 pc_event->event_id); 620 break; 621 } 622 break; 623 624 default: 625 asprintf(&eventname, "<unknown 0x%02x>", event->event_type); 626 break; 627 } 628 629 return eventname; 630 } 631 632 static void 633 acpi_print_tcpa(struct TCPAevent *event) 634 { 635 int i; 636 char *eventname; 637 638 eventname = acpi_tcpa_evname(event); 639 640 printf("\t%d", event->pcr_index); 641 printf(" 0x"); 642 for (i = 0; i < 20; i++) 643 printf("%02x", event->pcr_value[i]); 644 printf(" [%s]\n", eventname ? eventname : "<unknown>"); 645 646 free(eventname); 647 } 648 649 static void 650 acpi_handle_tcpa(ACPI_TABLE_HEADER *sdp) 651 { 652 struct TCPAbody *tcpa; 653 struct TCPAevent *event; 654 uintmax_t len, paddr; 655 unsigned char *vaddr = NULL; 656 unsigned char *vend = NULL; 657 658 printf(BEGIN_COMMENT); 659 acpi_print_sdt(sdp); 660 tcpa = (struct TCPAbody *) sdp; 661 662 switch (tcpa->platform_class) { 663 case ACPI_TCPA_BIOS_CLIENT: 664 len = tcpa->client.log_max_len; 665 paddr = tcpa->client.log_start_addr; 666 break; 667 668 case ACPI_TCPA_BIOS_SERVER: 669 len = tcpa->server.log_max_len; 670 paddr = tcpa->server.log_start_addr; 671 break; 672 673 default: 674 printf("XXX"); 675 printf(END_COMMENT); 676 return; 677 } 678 printf("\tClass %u Base Address 0x%jx Length %ju\n\n", 679 tcpa->platform_class, paddr, len); 680 681 if (len == 0) { 682 printf("\tEmpty TCPA table\n"); 683 printf(END_COMMENT); 684 return; 685 } 686 if(sdp->Revision == 1){ 687 printf("\tOLD TCPA spec log found. Dumping not supported.\n"); 688 printf(END_COMMENT); 689 return; 690 } 691 692 vaddr = (unsigned char *)acpi_map_physical(paddr, len); 693 vend = vaddr + len; 694 695 while (vaddr != NULL) { 696 if ((vaddr + sizeof(struct TCPAevent) >= vend)|| 697 (vaddr + sizeof(struct TCPAevent) < vaddr)) 698 break; 699 event = (struct TCPAevent *)(void *)vaddr; 700 if (vaddr + event->event_size >= vend) 701 break; 702 if (vaddr + event->event_size < vaddr) 703 break; 704 if (event->event_type == 0 && event->event_size == 0) 705 break; 706 #if 0 707 { 708 unsigned int i, j, k; 709 710 printf("\n\tsize %d\n\t\t%p ", event->event_size, vaddr); 711 for (j = 0, i = 0; i < 712 sizeof(struct TCPAevent) + event->event_size; i++) { 713 printf("%02x ", vaddr[i]); 714 if ((i+1) % 8 == 0) { 715 for (k = 0; k < 8; k++) 716 printf("%c", isprint(vaddr[j+k]) ? 717 vaddr[j+k] : '.'); 718 printf("\n\t\t%p ", &vaddr[i + 1]); 719 j = i + 1; 720 } 721 } 722 printf("\n"); } 723 #endif 724 acpi_print_tcpa(event); 725 726 vaddr += sizeof(struct TCPAevent) + event->event_size; 727 } 728 729 printf(END_COMMENT); 730 } 731 732 static void 733 acpi_print_srat_memory(ACPI_SRAT_MEM_AFFINITY *mp) 734 { 735 736 printf("\tFlags={"); 737 if (mp->Flags & ACPI_SRAT_MEM_ENABLED) 738 printf("ENABLED"); 739 else 740 printf("DISABLED"); 741 if (mp->Flags & ACPI_SRAT_MEM_HOT_PLUGGABLE) 742 printf(",HOT_PLUGGABLE"); 743 if (mp->Flags & ACPI_SRAT_MEM_NON_VOLATILE) 744 printf(",NON_VOLATILE"); 745 printf("}\n"); 746 printf("\tBase Address=0x%016jx\n", (uintmax_t)mp->BaseAddress); 747 printf("\tLength=0x%016jx\n", (uintmax_t)mp->Length); 748 printf("\tProximity Domain=%d\n", mp->ProximityDomain); 749 } 750 751 static const char *srat_types[] = { "CPU", "Memory", "X2APIC" }; 752 753 static void 754 acpi_print_srat(ACPI_SUBTABLE_HEADER *srat) 755 { 756 ACPI_SRAT_CPU_AFFINITY *cpu; 757 ACPI_SRAT_X2APIC_CPU_AFFINITY *x2apic; 758 759 if (srat->Type < sizeof(srat_types) / sizeof(srat_types[0])) 760 printf("\tType=%s\n", srat_types[srat->Type]); 761 else 762 printf("\tType=%d (unknown)\n", srat->Type); 763 switch (srat->Type) { 764 case ACPI_SRAT_TYPE_CPU_AFFINITY: 765 cpu = (ACPI_SRAT_CPU_AFFINITY *)srat; 766 acpi_print_srat_cpu(cpu->ApicId, 767 cpu->ProximityDomainHi[2] << 24 | 768 cpu->ProximityDomainHi[1] << 16 | 769 cpu->ProximityDomainHi[0] << 0 | 770 cpu->ProximityDomainLo, cpu->Flags); 771 break; 772 case ACPI_SRAT_TYPE_MEMORY_AFFINITY: 773 acpi_print_srat_memory((ACPI_SRAT_MEM_AFFINITY *)srat); 774 break; 775 case ACPI_SRAT_TYPE_X2APIC_CPU_AFFINITY: 776 x2apic = (ACPI_SRAT_X2APIC_CPU_AFFINITY *)srat; 777 acpi_print_srat_cpu(x2apic->ApicId, x2apic->ProximityDomain, 778 x2apic->Flags); 779 break; 780 } 781 } 782 783 static void 784 acpi_handle_srat(ACPI_TABLE_HEADER *sdp) 785 { 786 ACPI_TABLE_SRAT *srat; 787 788 printf(BEGIN_COMMENT); 789 acpi_print_sdt(sdp); 790 srat = (ACPI_TABLE_SRAT *)sdp; 791 printf("\tTable Revision=%d\n", srat->TableRevision); 792 acpi_walk_subtables(sdp, (srat + 1), acpi_print_srat); 793 printf(END_COMMENT); 794 } 795 796 static void 797 acpi_print_sdt(ACPI_TABLE_HEADER *sdp) 798 { 799 printf(" "); 800 acpi_print_string(sdp->Signature, ACPI_NAME_SIZE); 801 printf(": Length=%d, Revision=%d, Checksum=%d,\n", 802 sdp->Length, sdp->Revision, sdp->Checksum); 803 printf("\tOEMID="); 804 acpi_print_string(sdp->OemId, ACPI_OEM_ID_SIZE); 805 printf(", OEM Table ID="); 806 acpi_print_string(sdp->OemTableId, ACPI_OEM_TABLE_ID_SIZE); 807 printf(", OEM Revision=0x%x,\n", sdp->OemRevision); 808 printf("\tCreator ID="); 809 acpi_print_string(sdp->AslCompilerId, ACPI_NAME_SIZE); 810 printf(", Creator Revision=0x%x\n", sdp->AslCompilerRevision); 811 } 812 813 static void 814 acpi_print_rsdt(ACPI_TABLE_HEADER *rsdp) 815 { 816 ACPI_TABLE_RSDT *rsdt; 817 ACPI_TABLE_XSDT *xsdt; 818 int i, entries; 819 u_long addr; 820 821 rsdt = (ACPI_TABLE_RSDT *)rsdp; 822 xsdt = (ACPI_TABLE_XSDT *)rsdp; 823 printf(BEGIN_COMMENT); 824 acpi_print_sdt(rsdp); 825 entries = (rsdp->Length - sizeof(ACPI_TABLE_HEADER)) / addr_size; 826 printf("\tEntries={ "); 827 for (i = 0; i < entries; i++) { 828 if (i > 0) 829 printf(", "); 830 switch (addr_size) { 831 case 4: 832 addr = le32toh(rsdt->TableOffsetEntry[i]); 833 break; 834 case 8: 835 addr = le64toh(xsdt->TableOffsetEntry[i]); 836 break; 837 default: 838 addr = 0; 839 } 840 assert(addr != 0); 841 printf("0x%08lx", addr); 842 } 843 printf(" }\n"); 844 printf(END_COMMENT); 845 } 846 847 static const char *acpi_pm_profiles[] = { 848 "Unspecified", "Desktop", "Mobile", "Workstation", 849 "Enterprise Server", "SOHO Server", "Appliance PC" 850 }; 851 852 static void 853 acpi_print_fadt(ACPI_TABLE_HEADER *sdp) 854 { 855 ACPI_TABLE_FADT *fadt; 856 const char *pm; 857 char sep; 858 859 fadt = (ACPI_TABLE_FADT *)sdp; 860 printf(BEGIN_COMMENT); 861 acpi_print_sdt(sdp); 862 printf(" \tFACS=0x%x, DSDT=0x%x\n", fadt->Facs, 863 fadt->Dsdt); 864 printf("\tINT_MODEL=%s\n", fadt->Model ? "APIC" : "PIC"); 865 if (fadt->PreferredProfile >= sizeof(acpi_pm_profiles) / sizeof(char *)) 866 pm = "Reserved"; 867 else 868 pm = acpi_pm_profiles[fadt->PreferredProfile]; 869 printf("\tPreferred_PM_Profile=%s (%d)\n", pm, fadt->PreferredProfile); 870 printf("\tSCI_INT=%d\n", fadt->SciInterrupt); 871 printf("\tSMI_CMD=0x%x, ", fadt->SmiCommand); 872 printf("ACPI_ENABLE=0x%x, ", fadt->AcpiEnable); 873 printf("ACPI_DISABLE=0x%x, ", fadt->AcpiDisable); 874 printf("S4BIOS_REQ=0x%x\n", fadt->S4BiosRequest); 875 printf("\tPSTATE_CNT=0x%x\n", fadt->PstateControl); 876 printf("\tPM1a_EVT_BLK=0x%x-0x%x\n", 877 fadt->Pm1aEventBlock, 878 fadt->Pm1aEventBlock + fadt->Pm1EventLength - 1); 879 if (fadt->Pm1bEventBlock != 0) 880 printf("\tPM1b_EVT_BLK=0x%x-0x%x\n", 881 fadt->Pm1bEventBlock, 882 fadt->Pm1bEventBlock + fadt->Pm1EventLength - 1); 883 printf("\tPM1a_CNT_BLK=0x%x-0x%x\n", 884 fadt->Pm1aControlBlock, 885 fadt->Pm1aControlBlock + fadt->Pm1ControlLength - 1); 886 if (fadt->Pm1bControlBlock != 0) 887 printf("\tPM1b_CNT_BLK=0x%x-0x%x\n", 888 fadt->Pm1bControlBlock, 889 fadt->Pm1bControlBlock + fadt->Pm1ControlLength - 1); 890 if (fadt->Pm2ControlBlock != 0) 891 printf("\tPM2_CNT_BLK=0x%x-0x%x\n", 892 fadt->Pm2ControlBlock, 893 fadt->Pm2ControlBlock + fadt->Pm2ControlLength - 1); 894 printf("\tPM_TMR_BLK=0x%x-0x%x\n", 895 fadt->PmTimerBlock, 896 fadt->PmTimerBlock + fadt->PmTimerLength - 1); 897 if (fadt->Gpe0Block != 0) 898 printf("\tGPE0_BLK=0x%x-0x%x\n", 899 fadt->Gpe0Block, 900 fadt->Gpe0Block + fadt->Gpe0BlockLength - 1); 901 if (fadt->Gpe1Block != 0) 902 printf("\tGPE1_BLK=0x%x-0x%x, GPE1_BASE=%d\n", 903 fadt->Gpe1Block, 904 fadt->Gpe1Block + fadt->Gpe1BlockLength - 1, 905 fadt->Gpe1Base); 906 if (fadt->CstControl != 0) 907 printf("\tCST_CNT=0x%x\n", fadt->CstControl); 908 printf("\tP_LVL2_LAT=%d us, P_LVL3_LAT=%d us\n", 909 fadt->C2Latency, fadt->C3Latency); 910 printf("\tFLUSH_SIZE=%d, FLUSH_STRIDE=%d\n", 911 fadt->FlushSize, fadt->FlushStride); 912 printf("\tDUTY_OFFSET=%d, DUTY_WIDTH=%d\n", 913 fadt->DutyOffset, fadt->DutyWidth); 914 printf("\tDAY_ALRM=%d, MON_ALRM=%d, CENTURY=%d\n", 915 fadt->DayAlarm, fadt->MonthAlarm, fadt->Century); 916 917 #define PRINTFLAG(var, flag) do { \ 918 if ((var) & ACPI_FADT_## flag) { \ 919 printf("%c%s", sep, #flag); sep = ','; \ 920 } \ 921 } while (0) 922 923 printf("\tIAPC_BOOT_ARCH="); 924 sep = '{'; 925 PRINTFLAG(fadt->BootFlags, LEGACY_DEVICES); 926 PRINTFLAG(fadt->BootFlags, 8042); 927 PRINTFLAG(fadt->BootFlags, NO_VGA); 928 PRINTFLAG(fadt->BootFlags, NO_MSI); 929 PRINTFLAG(fadt->BootFlags, NO_ASPM); 930 if (fadt->BootFlags != 0) 931 printf("}"); 932 printf("\n"); 933 934 printf("\tFlags="); 935 sep = '{'; 936 PRINTFLAG(fadt->Flags, WBINVD); 937 PRINTFLAG(fadt->Flags, WBINVD_FLUSH); 938 PRINTFLAG(fadt->Flags, C1_SUPPORTED); 939 PRINTFLAG(fadt->Flags, C2_MP_SUPPORTED); 940 PRINTFLAG(fadt->Flags, POWER_BUTTON); 941 PRINTFLAG(fadt->Flags, SLEEP_BUTTON); 942 PRINTFLAG(fadt->Flags, FIXED_RTC); 943 PRINTFLAG(fadt->Flags, S4_RTC_WAKE); 944 PRINTFLAG(fadt->Flags, 32BIT_TIMER); 945 PRINTFLAG(fadt->Flags, DOCKING_SUPPORTED); 946 PRINTFLAG(fadt->Flags, RESET_REGISTER); 947 PRINTFLAG(fadt->Flags, SEALED_CASE); 948 PRINTFLAG(fadt->Flags, HEADLESS); 949 PRINTFLAG(fadt->Flags, SLEEP_TYPE); 950 PRINTFLAG(fadt->Flags, PCI_EXPRESS_WAKE); 951 PRINTFLAG(fadt->Flags, PLATFORM_CLOCK); 952 PRINTFLAG(fadt->Flags, S4_RTC_VALID); 953 PRINTFLAG(fadt->Flags, REMOTE_POWER_ON); 954 PRINTFLAG(fadt->Flags, APIC_CLUSTER); 955 PRINTFLAG(fadt->Flags, APIC_PHYSICAL); 956 if (fadt->Flags != 0) 957 printf("}\n"); 958 959 #undef PRINTFLAG 960 961 if (fadt->Flags & ACPI_FADT_RESET_REGISTER) { 962 printf("\tRESET_REG="); 963 acpi_print_gas(&fadt->ResetRegister); 964 printf(", RESET_VALUE=%#x\n", fadt->ResetValue); 965 } 966 if (acpi_get_fadt_revision(fadt) > 1) { 967 printf("\tX_FACS=0x%08lx, ", (u_long)fadt->XFacs); 968 printf("X_DSDT=0x%08lx\n", (u_long)fadt->XDsdt); 969 printf("\tX_PM1a_EVT_BLK="); 970 acpi_print_gas(&fadt->XPm1aEventBlock); 971 if (fadt->XPm1bEventBlock.Address != 0) { 972 printf("\n\tX_PM1b_EVT_BLK="); 973 acpi_print_gas(&fadt->XPm1bEventBlock); 974 } 975 printf("\n\tX_PM1a_CNT_BLK="); 976 acpi_print_gas(&fadt->XPm1aControlBlock); 977 if (fadt->XPm1bControlBlock.Address != 0) { 978 printf("\n\tX_PM1b_CNT_BLK="); 979 acpi_print_gas(&fadt->XPm1bControlBlock); 980 } 981 if (fadt->XPm2ControlBlock.Address != 0) { 982 printf("\n\tX_PM2_CNT_BLK="); 983 acpi_print_gas(&fadt->XPm2ControlBlock); 984 } 985 printf("\n\tX_PM_TMR_BLK="); 986 acpi_print_gas(&fadt->XPmTimerBlock); 987 if (fadt->XGpe0Block.Address != 0) { 988 printf("\n\tX_GPE0_BLK="); 989 acpi_print_gas(&fadt->XGpe0Block); 990 } 991 if (fadt->XGpe1Block.Address != 0) { 992 printf("\n\tX_GPE1_BLK="); 993 acpi_print_gas(&fadt->XGpe1Block); 994 } 995 printf("\n"); 996 } 997 998 printf(END_COMMENT); 999 } 1000 1001 static void 1002 acpi_print_facs(ACPI_TABLE_FACS *facs) 1003 { 1004 printf(BEGIN_COMMENT); 1005 printf(" FACS:\tLength=%u, ", facs->Length); 1006 printf("HwSig=0x%08x, ", facs->HardwareSignature); 1007 printf("Firm_Wake_Vec=0x%08x\n", facs->FirmwareWakingVector); 1008 1009 printf("\tGlobal_Lock="); 1010 if (facs->GlobalLock != 0) { 1011 if (facs->GlobalLock & ACPI_GLOCK_PENDING) 1012 printf("PENDING,"); 1013 if (facs->GlobalLock & ACPI_GLOCK_OWNED) 1014 printf("OWNED"); 1015 } 1016 printf("\n"); 1017 1018 printf("\tFlags="); 1019 if (facs->Flags & ACPI_FACS_S4_BIOS_PRESENT) 1020 printf("S4BIOS"); 1021 printf("\n"); 1022 1023 if (facs->XFirmwareWakingVector != 0) { 1024 printf("\tX_Firm_Wake_Vec=%08lx\n", 1025 (u_long)facs->XFirmwareWakingVector); 1026 } 1027 printf("\tVersion=%u\n", facs->Version); 1028 1029 printf(END_COMMENT); 1030 } 1031 1032 static void 1033 acpi_print_dsdt(ACPI_TABLE_HEADER *dsdp) 1034 { 1035 printf(BEGIN_COMMENT); 1036 acpi_print_sdt(dsdp); 1037 printf(END_COMMENT); 1038 } 1039 1040 int 1041 acpi_checksum(void *p, size_t length) 1042 { 1043 uint8_t *bp; 1044 uint8_t sum; 1045 1046 bp = p; 1047 sum = 0; 1048 while (length--) 1049 sum += *bp++; 1050 1051 return (sum); 1052 } 1053 1054 static ACPI_TABLE_HEADER * 1055 acpi_map_sdt(vm_offset_t pa) 1056 { 1057 ACPI_TABLE_HEADER *sp; 1058 1059 sp = acpi_map_physical(pa, sizeof(ACPI_TABLE_HEADER)); 1060 sp = acpi_map_physical(pa, sp->Length); 1061 return (sp); 1062 } 1063 1064 static void 1065 acpi_print_rsd_ptr(ACPI_TABLE_RSDP *rp) 1066 { 1067 printf(BEGIN_COMMENT); 1068 printf(" RSD PTR: OEM="); 1069 acpi_print_string(rp->OemId, ACPI_OEM_ID_SIZE); 1070 printf(", ACPI_Rev=%s (%d)\n", rp->Revision < 2 ? "1.0x" : "2.0x", 1071 rp->Revision); 1072 if (rp->Revision < 2) { 1073 printf("\tRSDT=0x%08x, cksum=%u\n", rp->RsdtPhysicalAddress, 1074 rp->Checksum); 1075 } else { 1076 printf("\tXSDT=0x%08lx, length=%u, cksum=%u\n", 1077 (u_long)rp->XsdtPhysicalAddress, rp->Length, 1078 rp->ExtendedChecksum); 1079 } 1080 printf(END_COMMENT); 1081 } 1082 1083 static void 1084 acpi_handle_rsdt(ACPI_TABLE_HEADER *rsdp) 1085 { 1086 ACPI_TABLE_HEADER *sdp; 1087 ACPI_TABLE_RSDT *rsdt; 1088 ACPI_TABLE_XSDT *xsdt; 1089 vm_offset_t addr; 1090 int entries, i; 1091 1092 acpi_print_rsdt(rsdp); 1093 rsdt = (ACPI_TABLE_RSDT *)rsdp; 1094 xsdt = (ACPI_TABLE_XSDT *)rsdp; 1095 entries = (rsdp->Length - sizeof(ACPI_TABLE_HEADER)) / addr_size; 1096 for (i = 0; i < entries; i++) { 1097 switch (addr_size) { 1098 case 4: 1099 addr = le32toh(rsdt->TableOffsetEntry[i]); 1100 break; 1101 case 8: 1102 addr = le64toh(xsdt->TableOffsetEntry[i]); 1103 break; 1104 default: 1105 assert((addr = 0)); 1106 } 1107 1108 sdp = (ACPI_TABLE_HEADER *)acpi_map_sdt(addr); 1109 if (acpi_checksum(sdp, sdp->Length)) { 1110 warnx("RSDT entry %d (sig %.4s) is corrupt", i, 1111 sdp->Signature); 1112 continue; 1113 } 1114 if (!memcmp(sdp->Signature, ACPI_SIG_FADT, 4)) 1115 acpi_handle_fadt(sdp); 1116 else if (!memcmp(sdp->Signature, ACPI_SIG_MADT, 4)) 1117 acpi_handle_madt(sdp); 1118 else if (!memcmp(sdp->Signature, ACPI_SIG_HPET, 4)) 1119 acpi_handle_hpet(sdp); 1120 else if (!memcmp(sdp->Signature, ACPI_SIG_ECDT, 4)) 1121 acpi_handle_ecdt(sdp); 1122 else if (!memcmp(sdp->Signature, ACPI_SIG_MCFG, 4)) 1123 acpi_handle_mcfg(sdp); 1124 else if (!memcmp(sdp->Signature, ACPI_SIG_SLIT, 4)) 1125 acpi_handle_slit(sdp); 1126 else if (!memcmp(sdp->Signature, ACPI_SIG_SRAT, 4)) 1127 acpi_handle_srat(sdp); 1128 else if (!memcmp(sdp->Signature, ACPI_SIG_TCPA, 4)) 1129 acpi_handle_tcpa(sdp); 1130 else { 1131 printf(BEGIN_COMMENT); 1132 acpi_print_sdt(sdp); 1133 printf(END_COMMENT); 1134 } 1135 } 1136 } 1137 1138 ACPI_TABLE_HEADER * 1139 sdt_load_devmem(void) 1140 { 1141 ACPI_TABLE_RSDP *rp; 1142 ACPI_TABLE_HEADER *rsdp; 1143 1144 rp = acpi_find_rsd_ptr(); 1145 if (!rp) 1146 errx(1, "Can't find ACPI information"); 1147 1148 if (tflag) 1149 acpi_print_rsd_ptr(rp); 1150 if (rp->Revision < 2) { 1151 rsdp = (ACPI_TABLE_HEADER *)acpi_map_sdt(rp->RsdtPhysicalAddress); 1152 if (memcmp(rsdp->Signature, "RSDT", 4) != 0 || 1153 acpi_checksum(rsdp, rsdp->Length) != 0) 1154 errx(1, "RSDT is corrupted"); 1155 addr_size = sizeof(uint32_t); 1156 } else { 1157 rsdp = (ACPI_TABLE_HEADER *)acpi_map_sdt(rp->XsdtPhysicalAddress); 1158 if (memcmp(rsdp->Signature, "XSDT", 4) != 0 || 1159 acpi_checksum(rsdp, rsdp->Length) != 0) 1160 errx(1, "XSDT is corrupted"); 1161 addr_size = sizeof(uint64_t); 1162 } 1163 return (rsdp); 1164 } 1165 1166 /* Write the DSDT to a file, concatenating any SSDTs (if present). */ 1167 static int 1168 write_dsdt(int fd, ACPI_TABLE_HEADER *rsdt, ACPI_TABLE_HEADER *dsdt) 1169 { 1170 ACPI_TABLE_HEADER sdt; 1171 ACPI_TABLE_HEADER *ssdt; 1172 uint8_t sum; 1173 1174 /* Create a new checksum to account for the DSDT and any SSDTs. */ 1175 sdt = *dsdt; 1176 if (rsdt != NULL) { 1177 sdt.Checksum = 0; 1178 sum = acpi_checksum(dsdt + 1, dsdt->Length - 1179 sizeof(ACPI_TABLE_HEADER)); 1180 ssdt = sdt_from_rsdt(rsdt, ACPI_SIG_SSDT, NULL); 1181 while (ssdt != NULL) { 1182 sdt.Length += ssdt->Length - sizeof(ACPI_TABLE_HEADER); 1183 sum += acpi_checksum(ssdt + 1, 1184 ssdt->Length - sizeof(ACPI_TABLE_HEADER)); 1185 ssdt = sdt_from_rsdt(rsdt, ACPI_SIG_SSDT, ssdt); 1186 } 1187 sum += acpi_checksum(&sdt, sizeof(ACPI_TABLE_HEADER)); 1188 sdt.Checksum -= sum; 1189 } 1190 1191 /* Write out the DSDT header and body. */ 1192 write(fd, &sdt, sizeof(ACPI_TABLE_HEADER)); 1193 write(fd, dsdt + 1, dsdt->Length - sizeof(ACPI_TABLE_HEADER)); 1194 1195 /* Write out any SSDTs (if present.) */ 1196 if (rsdt != NULL) { 1197 ssdt = sdt_from_rsdt(rsdt, "SSDT", NULL); 1198 while (ssdt != NULL) { 1199 write(fd, ssdt + 1, ssdt->Length - 1200 sizeof(ACPI_TABLE_HEADER)); 1201 ssdt = sdt_from_rsdt(rsdt, "SSDT", ssdt); 1202 } 1203 } 1204 return (0); 1205 } 1206 1207 void 1208 dsdt_save_file(char *outfile, ACPI_TABLE_HEADER *rsdt, ACPI_TABLE_HEADER *dsdp) 1209 { 1210 int fd; 1211 mode_t mode; 1212 1213 assert(outfile != NULL); 1214 mode = S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH; 1215 fd = open(outfile, O_WRONLY | O_CREAT | O_TRUNC, mode); 1216 if (fd == -1) { 1217 perror("dsdt_save_file"); 1218 return; 1219 } 1220 write_dsdt(fd, rsdt, dsdp); 1221 close(fd); 1222 } 1223 1224 void 1225 aml_disassemble(ACPI_TABLE_HEADER *rsdt, ACPI_TABLE_HEADER *dsdp) 1226 { 1227 char buf[PATH_MAX], tmpstr[PATH_MAX]; 1228 const char *tmpdir; 1229 char *tmpext; 1230 FILE *fp; 1231 size_t len; 1232 int fd; 1233 1234 tmpdir = getenv("TMPDIR"); 1235 if (tmpdir == NULL) 1236 tmpdir = _PATH_TMP; 1237 strncpy(tmpstr, tmpdir, sizeof(tmpstr)); 1238 if (realpath(tmpstr, buf) == NULL) { 1239 perror("realpath tmp dir"); 1240 return; 1241 } 1242 strncpy(tmpstr, buf, sizeof(tmpstr)); 1243 strncat(tmpstr, "/acpidump.", sizeof(tmpstr) - strlen(buf)); 1244 len = strlen(tmpstr); 1245 tmpext = tmpstr + len; 1246 strncpy(tmpext, "XXXXXX", sizeof(tmpstr) - len); 1247 fd = mkstemp(tmpstr); 1248 if (fd < 0) { 1249 perror("iasl tmp file"); 1250 return; 1251 } 1252 write_dsdt(fd, rsdt, dsdp); 1253 close(fd); 1254 1255 /* Run iasl -d on the temp file */ 1256 if (fork() == 0) { 1257 close(STDOUT_FILENO); 1258 if (vflag == 0) 1259 close(STDERR_FILENO); 1260 execl("/usr/sbin/iasl", "iasl", "-d", tmpstr, NULL); 1261 err(1, "exec"); 1262 } 1263 1264 wait(NULL); 1265 unlink(tmpstr); 1266 1267 /* Dump iasl's output to stdout */ 1268 strncpy(tmpext, "dsl", sizeof(tmpstr) - len); 1269 fp = fopen(tmpstr, "r"); 1270 unlink(tmpstr); 1271 if (fp == NULL) { 1272 perror("iasl tmp file (read)"); 1273 return; 1274 } 1275 while ((len = fread(buf, 1, sizeof(buf), fp)) > 0) 1276 fwrite(buf, 1, len, stdout); 1277 fclose(fp); 1278 } 1279 1280 void 1281 sdt_print_all(ACPI_TABLE_HEADER *rsdp) 1282 { 1283 acpi_handle_rsdt(rsdp); 1284 } 1285 1286 /* Fetch a table matching the given signature via the RSDT. */ 1287 ACPI_TABLE_HEADER * 1288 sdt_from_rsdt(ACPI_TABLE_HEADER *rsdp, const char *sig, ACPI_TABLE_HEADER *last) 1289 { 1290 ACPI_TABLE_HEADER *sdt; 1291 ACPI_TABLE_RSDT *rsdt; 1292 ACPI_TABLE_XSDT *xsdt; 1293 vm_offset_t addr; 1294 int entries, i; 1295 1296 rsdt = (ACPI_TABLE_RSDT *)rsdp; 1297 xsdt = (ACPI_TABLE_XSDT *)rsdp; 1298 entries = (rsdp->Length - sizeof(ACPI_TABLE_HEADER)) / addr_size; 1299 for (i = 0; i < entries; i++) { 1300 switch (addr_size) { 1301 case 4: 1302 addr = le32toh(rsdt->TableOffsetEntry[i]); 1303 break; 1304 case 8: 1305 addr = le64toh(xsdt->TableOffsetEntry[i]); 1306 break; 1307 default: 1308 assert((addr = 0)); 1309 } 1310 sdt = (ACPI_TABLE_HEADER *)acpi_map_sdt(addr); 1311 if (last != NULL) { 1312 if (sdt == last) 1313 last = NULL; 1314 continue; 1315 } 1316 if (memcmp(sdt->Signature, sig, strlen(sig))) 1317 continue; 1318 if (acpi_checksum(sdt, sdt->Length)) 1319 errx(1, "RSDT entry %d is corrupt", i); 1320 return (sdt); 1321 } 1322 1323 return (NULL); 1324 } 1325 1326 ACPI_TABLE_HEADER * 1327 dsdt_from_fadt(ACPI_TABLE_FADT *fadt) 1328 { 1329 ACPI_TABLE_HEADER *sdt; 1330 1331 /* Use the DSDT address if it is version 1, otherwise use XDSDT. */ 1332 if (acpi_get_fadt_revision(fadt) == 1) 1333 sdt = (ACPI_TABLE_HEADER *)acpi_map_sdt(fadt->Dsdt); 1334 else 1335 sdt = (ACPI_TABLE_HEADER *)acpi_map_sdt(fadt->XDsdt); 1336 if (acpi_checksum(sdt, sdt->Length)) 1337 errx(1, "DSDT is corrupt\n"); 1338 return (sdt); 1339 } 1340