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 49static void acpi_print_string(char *s, size_t length); 50static void acpi_print_gas(ACPI_GENERIC_ADDRESS *gas); 51static int acpi_get_fadt_revision(ACPI_TABLE_FADT *fadt); 52static void acpi_handle_fadt(ACPI_TABLE_HEADER *fadt); 53static void acpi_print_cpu(u_char cpu_id); 54static void acpi_print_cpu_uid(uint32_t uid, char *uid_string); 55static void acpi_print_local_apic(uint32_t apic_id, uint32_t flags); 56static void acpi_print_io_apic(uint32_t apic_id, uint32_t int_base, 57 uint64_t apic_addr); 58static void acpi_print_mps_flags(uint16_t flags); 59static void acpi_print_intr(uint32_t intr, uint16_t mps_flags); 60static void acpi_print_local_nmi(u_int lint, uint16_t mps_flags); 61static void acpi_print_madt(ACPI_SUBTABLE_HEADER *mp); 62static void acpi_handle_madt(ACPI_TABLE_HEADER *sdp); 63static void acpi_handle_ecdt(ACPI_TABLE_HEADER *sdp); 64static void acpi_handle_hpet(ACPI_TABLE_HEADER *sdp); 65static void acpi_handle_mcfg(ACPI_TABLE_HEADER *sdp); 66static void acpi_handle_slit(ACPI_TABLE_HEADER *sdp); 67static void acpi_print_srat_cpu(uint32_t apic_id, uint32_t proximity_domain, 68 uint32_t flags); 69static void acpi_print_srat_memory(ACPI_SRAT_MEM_AFFINITY *mp); 70static void acpi_print_srat(ACPI_SUBTABLE_HEADER *srat); 71static void acpi_handle_srat(ACPI_TABLE_HEADER *sdp); 72static void acpi_handle_tcpa(ACPI_TABLE_HEADER *sdp); 73static void acpi_print_sdt(ACPI_TABLE_HEADER *sdp); 74static void acpi_print_fadt(ACPI_TABLE_HEADER *sdp); 75static void acpi_print_facs(ACPI_TABLE_FACS *facs); 76static void acpi_print_dsdt(ACPI_TABLE_HEADER *dsdp); 77static ACPI_TABLE_HEADER *acpi_map_sdt(vm_offset_t pa); 78static void acpi_print_rsd_ptr(ACPI_TABLE_RSDP *rp); 79static void acpi_handle_rsdt(ACPI_TABLE_HEADER *rsdp); 80static 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. */ 84static int addr_size; 85 86/* Strings used in the TCPA table */ 87static 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 108static 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 126static void 127acpi_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 141static void 142acpi_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. */ 178static int 179acpi_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 202static void 203acpi_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 231static void 232acpi_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 248static void 249acpi_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 259static void 260acpi_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 269static void 270acpi_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 282static void 283acpi_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 291static void 292acpi_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 327static void 328acpi_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 335static void 336acpi_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 343const char *apic_types[] = { "Local APIC", "IO APIC", "INT Override", "NMI", 344 "Local APIC NMI", "Local APIC Override", 345 "IO SAPIC", "Local SAPIC", "Platform Interrupt", 346 "Local X2APIC", "Local X2APIC NMI" }; 347const char *platform_int_types[] = { "0 (unknown)", "PMI", "INIT", 348 "Corrected Platform Error" }; 349 350static void 351acpi_print_madt(ACPI_SUBTABLE_HEADER *mp) 352{ 353 ACPI_MADT_LOCAL_APIC *lapic; 354 ACPI_MADT_IO_APIC *ioapic; 355 ACPI_MADT_INTERRUPT_OVERRIDE *over; 356 ACPI_MADT_NMI_SOURCE *nmi; 357 ACPI_MADT_LOCAL_APIC_NMI *lapic_nmi; 358 ACPI_MADT_LOCAL_APIC_OVERRIDE *lapic_over; 359 ACPI_MADT_IO_SAPIC *iosapic; 360 ACPI_MADT_LOCAL_SAPIC *lsapic; 361 ACPI_MADT_INTERRUPT_SOURCE *isrc; 362 ACPI_MADT_LOCAL_X2APIC *x2apic; 363 ACPI_MADT_LOCAL_X2APIC_NMI *x2apic_nmi; 364 365 if (mp->Type < sizeof(apic_types) / sizeof(apic_types[0])) 366 printf("\tType=%s\n", apic_types[mp->Type]); 367 else 368 printf("\tType=%d (unknown)\n", mp->Type); 369 switch (mp->Type) { 370 case ACPI_MADT_TYPE_LOCAL_APIC: 371 lapic = (ACPI_MADT_LOCAL_APIC *)mp; 372 acpi_print_cpu(lapic->ProcessorId); 373 acpi_print_local_apic(lapic->Id, lapic->LapicFlags); 374 break; 375 case ACPI_MADT_TYPE_IO_APIC: 376 ioapic = (ACPI_MADT_IO_APIC *)mp; 377 acpi_print_io_apic(ioapic->Id, ioapic->GlobalIrqBase, 378 ioapic->Address); 379 break; 380 case ACPI_MADT_TYPE_INTERRUPT_OVERRIDE: 381 over = (ACPI_MADT_INTERRUPT_OVERRIDE *)mp; 382 printf("\tBUS=%d\n", (u_int)over->Bus); 383 printf("\tIRQ=%d\n", (u_int)over->SourceIrq); 384 acpi_print_intr(over->GlobalIrq, over->IntiFlags); 385 break; 386 case ACPI_MADT_TYPE_NMI_SOURCE: 387 nmi = (ACPI_MADT_NMI_SOURCE *)mp; 388 acpi_print_intr(nmi->GlobalIrq, nmi->IntiFlags); 389 break; 390 case ACPI_MADT_TYPE_LOCAL_APIC_NMI: 391 lapic_nmi = (ACPI_MADT_LOCAL_APIC_NMI *)mp; 392 acpi_print_cpu(lapic_nmi->ProcessorId); 393 acpi_print_local_nmi(lapic_nmi->Lint, lapic_nmi->IntiFlags); 394 break; 395 case ACPI_MADT_TYPE_LOCAL_APIC_OVERRIDE: 396 lapic_over = (ACPI_MADT_LOCAL_APIC_OVERRIDE *)mp; 397 printf("\tLocal APIC ADDR=0x%016jx\n", 398 (uintmax_t)lapic_over->Address); 399 break; 400 case ACPI_MADT_TYPE_IO_SAPIC: 401 iosapic = (ACPI_MADT_IO_SAPIC *)mp; 402 acpi_print_io_apic(iosapic->Id, iosapic->GlobalIrqBase, 403 iosapic->Address); 404 break; 405 case ACPI_MADT_TYPE_LOCAL_SAPIC: 406 lsapic = (ACPI_MADT_LOCAL_SAPIC *)mp; 407 acpi_print_cpu(lsapic->ProcessorId); 408 acpi_print_local_apic(lsapic->Id, lsapic->LapicFlags); 409 printf("\tAPIC EID=%d\n", (u_int)lsapic->Eid); 410 if (mp->Length > __offsetof(ACPI_MADT_LOCAL_SAPIC, Uid)) 411 acpi_print_cpu_uid(lsapic->Uid, lsapic->UidString); 412 break; 413 case ACPI_MADT_TYPE_INTERRUPT_SOURCE: 414 isrc = (ACPI_MADT_INTERRUPT_SOURCE *)mp; 415 if (isrc->Type < sizeof(platform_int_types) / 416 sizeof(platform_int_types[0])) 417 printf("\tType=%s\n", platform_int_types[isrc->Type]); 418 else 419 printf("\tType=%d (unknown)\n", isrc->Type); 420 printf("\tAPIC ID=%d\n", (u_int)isrc->Id); 421 printf("\tAPIC EID=%d\n", (u_int)isrc->Eid); 422 printf("\tSAPIC Vector=%d\n", (u_int)isrc->IoSapicVector); 423 acpi_print_intr(isrc->GlobalIrq, isrc->IntiFlags); 424 break; 425 case ACPI_MADT_TYPE_LOCAL_X2APIC: 426 x2apic = (ACPI_MADT_LOCAL_X2APIC *)mp; 427 acpi_print_cpu_uid(x2apic->Uid, NULL); 428 acpi_print_local_apic(x2apic->LocalApicId, x2apic->LapicFlags); 429 break; 430 case ACPI_MADT_TYPE_LOCAL_X2APIC_NMI: 431 x2apic_nmi = (ACPI_MADT_LOCAL_X2APIC_NMI *)mp; 432 acpi_print_cpu_uid(x2apic_nmi->Uid, NULL); 433 acpi_print_local_nmi(x2apic_nmi->Lint, x2apic_nmi->IntiFlags); 434 break; 435 } 436} 437 438static void 439acpi_handle_madt(ACPI_TABLE_HEADER *sdp) 440{ 441 ACPI_TABLE_MADT *madt; 442 443 printf(BEGIN_COMMENT); 444 acpi_print_sdt(sdp); 445 madt = (ACPI_TABLE_MADT *)sdp; 446 printf("\tLocal APIC ADDR=0x%08x\n", madt->Address); 447 printf("\tFlags={"); 448 if (madt->Flags & ACPI_MADT_PCAT_COMPAT) 449 printf("PC-AT"); 450 printf("}\n"); 451 acpi_walk_subtables(sdp, (madt + 1), acpi_print_madt); 452 printf(END_COMMENT); 453} 454 455static void 456acpi_handle_hpet(ACPI_TABLE_HEADER *sdp) 457{ 458 ACPI_TABLE_HPET *hpet; 459 460 printf(BEGIN_COMMENT); 461 acpi_print_sdt(sdp); 462 hpet = (ACPI_TABLE_HPET *)sdp; 463 printf("\tHPET Number=%d\n", hpet->Sequence); 464 printf("\tADDR="); 465 acpi_print_gas(&hpet->Address); 466 printf("\tHW Rev=0x%x\n", hpet->Id & ACPI_HPET_ID_HARDWARE_REV_ID); 467 printf("\tComparators=%d\n", (hpet->Id & ACPI_HPET_ID_COMPARATORS) >> 468 8); 469 printf("\tCounter Size=%d\n", hpet->Id & ACPI_HPET_ID_COUNT_SIZE_CAP ? 470 1 : 0); 471 printf("\tLegacy IRQ routing capable={"); 472 if (hpet->Id & ACPI_HPET_ID_LEGACY_CAPABLE) 473 printf("TRUE}\n"); 474 else 475 printf("FALSE}\n"); 476 printf("\tPCI Vendor ID=0x%04x\n", hpet->Id >> 16); 477 printf("\tMinimal Tick=%d\n", hpet->MinimumTick); 478 printf(END_COMMENT); 479} 480 481static void 482acpi_handle_ecdt(ACPI_TABLE_HEADER *sdp) 483{ 484 ACPI_TABLE_ECDT *ecdt; 485 486 printf(BEGIN_COMMENT); 487 acpi_print_sdt(sdp); 488 ecdt = (ACPI_TABLE_ECDT *)sdp; 489 printf("\tEC_CONTROL="); 490 acpi_print_gas(&ecdt->Control); 491 printf("\n\tEC_DATA="); 492 acpi_print_gas(&ecdt->Data); 493 printf("\n\tUID=%#x, ", ecdt->Uid); 494 printf("GPE_BIT=%#x\n", ecdt->Gpe); 495 printf("\tEC_ID=%s\n", ecdt->Id); 496 printf(END_COMMENT); 497} 498 499static void 500acpi_handle_mcfg(ACPI_TABLE_HEADER *sdp) 501{ 502 ACPI_TABLE_MCFG *mcfg; 503 ACPI_MCFG_ALLOCATION *alloc; 504 u_int i, entries; 505 506 printf(BEGIN_COMMENT); 507 acpi_print_sdt(sdp); 508 mcfg = (ACPI_TABLE_MCFG *)sdp; 509 entries = (sdp->Length - sizeof(ACPI_TABLE_MCFG)) / 510 sizeof(ACPI_MCFG_ALLOCATION); 511 alloc = (ACPI_MCFG_ALLOCATION *)(mcfg + 1); 512 for (i = 0; i < entries; i++, alloc++) { 513 printf("\n"); 514 printf("\tBase Address=0x%016jx\n", alloc->Address); 515 printf("\tSegment Group=0x%04x\n", alloc->PciSegment); 516 printf("\tStart Bus=%d\n", alloc->StartBusNumber); 517 printf("\tEnd Bus=%d\n", alloc->EndBusNumber); 518 } 519 printf(END_COMMENT); 520} 521 522static void 523acpi_handle_slit(ACPI_TABLE_HEADER *sdp) 524{ 525 ACPI_TABLE_SLIT *slit; 526 UINT64 i, j; 527 528 printf(BEGIN_COMMENT); 529 acpi_print_sdt(sdp); 530 slit = (ACPI_TABLE_SLIT *)sdp; 531 printf("\tLocality Count=%jd\n", slit->LocalityCount); 532 printf("\n\t "); 533 for (i = 0; i < slit->LocalityCount; i++) 534 printf(" %3jd", i); 535 printf("\n\t +"); 536 for (i = 0; i < slit->LocalityCount; i++) 537 printf("----"); 538 printf("\n"); 539 for (i = 0; i < slit->LocalityCount; i++) { 540 printf("\t %3jd |", i); 541 for (j = 0; j < slit->LocalityCount; j++) 542 printf(" %3d", 543 slit->Entry[i * slit->LocalityCount + j]); 544 printf("\n"); 545 } 546 printf(END_COMMENT); 547} 548 549static void 550acpi_print_srat_cpu(uint32_t apic_id, uint32_t proximity_domain, 551 uint32_t flags) 552{ 553 554 printf("\tFlags={"); 555 if (flags & ACPI_SRAT_CPU_ENABLED) 556 printf("ENABLED"); 557 else 558 printf("DISABLED"); 559 printf("}\n"); 560 printf("\tAPIC ID=%d\n", apic_id); 561 printf("\tProximity Domain=%d\n", proximity_domain); 562} 563 564static char * 565acpi_tcpa_evname(struct TCPAevent *event) 566{ 567 struct TCPApc_event *pc_event; 568 char *eventname = NULL; 569 570 pc_event = (struct TCPApc_event *)(event + 1); 571 572 switch(event->event_type) { 573 case PREBOOT: 574 case POST_CODE: 575 case UNUSED: 576 case NO_ACTION: 577 case SEPARATOR: 578 case SCRTM_CONTENTS: 579 case SCRTM_VERSION: 580 case CPU_MICROCODE: 581 case PLATFORM_CONFIG_FLAGS: 582 case TABLE_OF_DEVICES: 583 case COMPACT_HASH: 584 case IPL: 585 case IPL_PARTITION_DATA: 586 case NONHOST_CODE: 587 case NONHOST_CONFIG: 588 case NONHOST_INFO: 589 asprintf(&eventname, "%s", 590 tcpa_event_type_strings[event->event_type]); 591 break; 592 593 case ACTION: 594 eventname = calloc(event->event_size + 1, sizeof(char)); 595 memcpy(eventname, pc_event, event->event_size); 596 break; 597 598 case EVENT_TAG: 599 switch (pc_event->event_id) { 600 case SMBIOS: 601 case BIS_CERT: 602 case CMOS: 603 case NVRAM: 604 case OPTION_ROM_EXEC: 605 case OPTION_ROM_CONFIG: 606 case S_CRTM_VERSION: 607 case POST_BIOS_ROM: 608 case ESCD: 609 case OPTION_ROM_MICROCODE: 610 case S_CRTM_CONTENTS: 611 case POST_CONTENTS: 612 asprintf(&eventname, "%s", 613 TCPA_pcclient_strings[pc_event->event_id]); 614 break; 615 616 default: 617 asprintf(&eventname, "<unknown tag 0x%02x>", 618 pc_event->event_id); 619 break; 620 } 621 break; 622 623 default: 624 asprintf(&eventname, "<unknown 0x%02x>", event->event_type); 625 break; 626 } 627 628 return eventname; 629} 630 631static void 632acpi_print_tcpa(struct TCPAevent *event) 633{ 634 int i; 635 char *eventname; 636 637 eventname = acpi_tcpa_evname(event); 638 639 printf("\t%d", event->pcr_index); 640 printf(" 0x"); 641 for (i = 0; i < 20; i++) 642 printf("%02x", event->pcr_value[i]); 643 printf(" [%s]\n", eventname ? eventname : "<unknown>"); 644 645 free(eventname); 646} 647 648static void 649acpi_handle_tcpa(ACPI_TABLE_HEADER *sdp) 650{ 651 struct TCPAbody *tcpa; 652 struct TCPAevent *event; 653 uintmax_t len, paddr; 654 unsigned char *vaddr = NULL; 655 unsigned char *vend = NULL; 656 657 printf(BEGIN_COMMENT); 658 acpi_print_sdt(sdp); 659 tcpa = (struct TCPAbody *) sdp; 660 661 switch (tcpa->platform_class) { 662 case ACPI_TCPA_BIOS_CLIENT: 663 len = tcpa->client.log_max_len; 664 paddr = tcpa->client.log_start_addr; 665 break; 666 667 case ACPI_TCPA_BIOS_SERVER: 668 len = tcpa->server.log_max_len; 669 paddr = tcpa->server.log_start_addr; 670 break; 671 672 default: 673 printf("XXX"); 674 printf(END_COMMENT); 675 return; 676 } 677 printf("\tClass %u Base Address 0x%jx Length %ju\n\n", 678 tcpa->platform_class, paddr, len); 679 680 if (len == 0) { 681 printf("\tEmpty TCPA table\n"); 682 printf(END_COMMENT); 683 return; 684 } 685 686 vaddr = (unsigned char *)acpi_map_physical(paddr, len); 687 vend = vaddr + len; 688 689 while (vaddr != NULL) { 690 if (vaddr + sizeof(struct TCPAevent) >= vend) 691 break; 692 event = (struct TCPAevent *)(void *)vaddr; 693 if (vaddr + event->event_size >= vend) 694 break; 695 if (event->event_type == 0 && event->event_size == 0) 696 break; 697#if 0 698 { 699 unsigned int i, j, k; 700 701 printf("\n\tsize %d\n\t\t%p ", event->event_size, vaddr); 702 for (j = 0, i = 0; i < 703 sizeof(struct TCPAevent) + event->event_size; i++) { 704 printf("%02x ", vaddr[i]); 705 if ((i+1) % 8 == 0) { 706 for (k = 0; k < 8; k++) 707 printf("%c", isprint(vaddr[j+k]) ? 708 vaddr[j+k] : '.'); 709 printf("\n\t\t%p ", &vaddr[i + 1]); 710 j = i + 1; 711 } 712 } 713 printf("\n"); } 714#endif 715 acpi_print_tcpa(event); 716 717 vaddr += sizeof(struct TCPAevent) + event->event_size; 718 } 719 720 printf(END_COMMENT); 721} 722 723static void 724acpi_print_srat_memory(ACPI_SRAT_MEM_AFFINITY *mp) 725{ 726 727 printf("\tFlags={"); 728 if (mp->Flags & ACPI_SRAT_MEM_ENABLED) 729 printf("ENABLED"); 730 else 731 printf("DISABLED"); 732 if (mp->Flags & ACPI_SRAT_MEM_HOT_PLUGGABLE) 733 printf(",HOT_PLUGGABLE"); 734 if (mp->Flags & ACPI_SRAT_MEM_NON_VOLATILE) 735 printf(",NON_VOLATILE"); 736 printf("}\n"); 737 printf("\tBase Address=0x%016jx\n", (uintmax_t)mp->BaseAddress); 738 printf("\tLength=0x%016jx\n", (uintmax_t)mp->Length); 739 printf("\tProximity Domain=%d\n", mp->ProximityDomain); 740} 741 742const char *srat_types[] = { "CPU", "Memory", "X2APIC" }; 743 744static void 745acpi_print_srat(ACPI_SUBTABLE_HEADER *srat) 746{ 747 ACPI_SRAT_CPU_AFFINITY *cpu; 748 ACPI_SRAT_X2APIC_CPU_AFFINITY *x2apic; 749 750 if (srat->Type < sizeof(srat_types) / sizeof(srat_types[0])) 751 printf("\tType=%s\n", srat_types[srat->Type]); 752 else 753 printf("\tType=%d (unknown)\n", srat->Type); 754 switch (srat->Type) { 755 case ACPI_SRAT_TYPE_CPU_AFFINITY: 756 cpu = (ACPI_SRAT_CPU_AFFINITY *)srat; 757 acpi_print_srat_cpu(cpu->ApicId, 758 cpu->ProximityDomainHi[2] << 24 | 759 cpu->ProximityDomainHi[1] << 16 | 760 cpu->ProximityDomainHi[0] << 0 | 761 cpu->ProximityDomainLo, cpu->Flags); 762 break; 763 case ACPI_SRAT_TYPE_MEMORY_AFFINITY: 764 acpi_print_srat_memory((ACPI_SRAT_MEM_AFFINITY *)srat); 765 break; 766 case ACPI_SRAT_TYPE_X2APIC_CPU_AFFINITY: 767 x2apic = (ACPI_SRAT_X2APIC_CPU_AFFINITY *)srat; 768 acpi_print_srat_cpu(x2apic->ApicId, x2apic->ProximityDomain, 769 x2apic->Flags); 770 break; 771 } 772} 773 774static void 775acpi_handle_srat(ACPI_TABLE_HEADER *sdp) 776{ 777 ACPI_TABLE_SRAT *srat; 778 779 printf(BEGIN_COMMENT); 780 acpi_print_sdt(sdp); 781 srat = (ACPI_TABLE_SRAT *)sdp; 782 printf("\tTable Revision=%d\n", srat->TableRevision); 783 acpi_walk_subtables(sdp, (srat + 1), acpi_print_srat); 784 printf(END_COMMENT); 785} 786 787static void 788acpi_print_sdt(ACPI_TABLE_HEADER *sdp) 789{ 790 printf(" "); 791 acpi_print_string(sdp->Signature, ACPI_NAME_SIZE); 792 printf(": Length=%d, Revision=%d, Checksum=%d,\n", 793 sdp->Length, sdp->Revision, sdp->Checksum); 794 printf("\tOEMID="); 795 acpi_print_string(sdp->OemId, ACPI_OEM_ID_SIZE); 796 printf(", OEM Table ID="); 797 acpi_print_string(sdp->OemTableId, ACPI_OEM_TABLE_ID_SIZE); 798 printf(", OEM Revision=0x%x,\n", sdp->OemRevision); 799 printf("\tCreator ID="); 800 acpi_print_string(sdp->AslCompilerId, ACPI_NAME_SIZE); 801 printf(", Creator Revision=0x%x\n", sdp->AslCompilerRevision); 802} 803 804static void 805acpi_print_rsdt(ACPI_TABLE_HEADER *rsdp) 806{ 807 ACPI_TABLE_RSDT *rsdt; 808 ACPI_TABLE_XSDT *xsdt; 809 int i, entries; 810 u_long addr; 811 812 rsdt = (ACPI_TABLE_RSDT *)rsdp; 813 xsdt = (ACPI_TABLE_XSDT *)rsdp; 814 printf(BEGIN_COMMENT); 815 acpi_print_sdt(rsdp); 816 entries = (rsdp->Length - sizeof(ACPI_TABLE_HEADER)) / addr_size; 817 printf("\tEntries={ "); 818 for (i = 0; i < entries; i++) { 819 if (i > 0) 820 printf(", "); 821 switch (addr_size) { 822 case 4: 823 addr = le32toh(rsdt->TableOffsetEntry[i]); 824 break; 825 case 8: 826 addr = le64toh(xsdt->TableOffsetEntry[i]); 827 break; 828 default: 829 addr = 0; 830 } 831 assert(addr != 0); 832 printf("0x%08lx", addr); 833 } 834 printf(" }\n"); 835 printf(END_COMMENT); 836} 837 838static const char *acpi_pm_profiles[] = { 839 "Unspecified", "Desktop", "Mobile", "Workstation", 840 "Enterprise Server", "SOHO Server", "Appliance PC" 841}; 842 843static void 844acpi_print_fadt(ACPI_TABLE_HEADER *sdp) 845{ 846 ACPI_TABLE_FADT *fadt; 847 const char *pm; 848 char sep; 849 850 fadt = (ACPI_TABLE_FADT *)sdp; 851 printf(BEGIN_COMMENT); 852 acpi_print_sdt(sdp); 853 printf(" \tFACS=0x%x, DSDT=0x%x\n", fadt->Facs, 854 fadt->Dsdt); 855 printf("\tINT_MODEL=%s\n", fadt->Model ? "APIC" : "PIC"); 856 if (fadt->PreferredProfile >= sizeof(acpi_pm_profiles) / sizeof(char *)) 857 pm = "Reserved"; 858 else 859 pm = acpi_pm_profiles[fadt->PreferredProfile]; 860 printf("\tPreferred_PM_Profile=%s (%d)\n", pm, fadt->PreferredProfile); 861 printf("\tSCI_INT=%d\n", fadt->SciInterrupt); 862 printf("\tSMI_CMD=0x%x, ", fadt->SmiCommand); 863 printf("ACPI_ENABLE=0x%x, ", fadt->AcpiEnable); 864 printf("ACPI_DISABLE=0x%x, ", fadt->AcpiDisable); 865 printf("S4BIOS_REQ=0x%x\n", fadt->S4BiosRequest); 866 printf("\tPSTATE_CNT=0x%x\n", fadt->PstateControl); 867 printf("\tPM1a_EVT_BLK=0x%x-0x%x\n", 868 fadt->Pm1aEventBlock, 869 fadt->Pm1aEventBlock + fadt->Pm1EventLength - 1); 870 if (fadt->Pm1bEventBlock != 0) 871 printf("\tPM1b_EVT_BLK=0x%x-0x%x\n", 872 fadt->Pm1bEventBlock, 873 fadt->Pm1bEventBlock + fadt->Pm1EventLength - 1); 874 printf("\tPM1a_CNT_BLK=0x%x-0x%x\n", 875 fadt->Pm1aControlBlock, 876 fadt->Pm1aControlBlock + fadt->Pm1ControlLength - 1); 877 if (fadt->Pm1bControlBlock != 0) 878 printf("\tPM1b_CNT_BLK=0x%x-0x%x\n", 879 fadt->Pm1bControlBlock, 880 fadt->Pm1bControlBlock + fadt->Pm1ControlLength - 1); 881 if (fadt->Pm2ControlBlock != 0) 882 printf("\tPM2_CNT_BLK=0x%x-0x%x\n", 883 fadt->Pm2ControlBlock, 884 fadt->Pm2ControlBlock + fadt->Pm2ControlLength - 1); 885 printf("\tPM_TMR_BLK=0x%x-0x%x\n", 886 fadt->PmTimerBlock, 887 fadt->PmTimerBlock + fadt->PmTimerLength - 1); 888 if (fadt->Gpe0Block != 0) 889 printf("\tGPE0_BLK=0x%x-0x%x\n", 890 fadt->Gpe0Block, 891 fadt->Gpe0Block + fadt->Gpe0BlockLength - 1); 892 if (fadt->Gpe1Block != 0) 893 printf("\tGPE1_BLK=0x%x-0x%x, GPE1_BASE=%d\n", 894 fadt->Gpe1Block, 895 fadt->Gpe1Block + fadt->Gpe1BlockLength - 1, 896 fadt->Gpe1Base); 897 if (fadt->CstControl != 0) 898 printf("\tCST_CNT=0x%x\n", fadt->CstControl); 899 printf("\tP_LVL2_LAT=%d us, P_LVL3_LAT=%d us\n", 900 fadt->C2Latency, fadt->C3Latency); 901 printf("\tFLUSH_SIZE=%d, FLUSH_STRIDE=%d\n", 902 fadt->FlushSize, fadt->FlushStride); 903 printf("\tDUTY_OFFSET=%d, DUTY_WIDTH=%d\n", 904 fadt->DutyOffset, fadt->DutyWidth); 905 printf("\tDAY_ALRM=%d, MON_ALRM=%d, CENTURY=%d\n", 906 fadt->DayAlarm, fadt->MonthAlarm, fadt->Century); 907 908#define PRINTFLAG(var, flag) do { \ 909 if ((var) & ACPI_FADT_## flag) { \ 910 printf("%c%s", sep, #flag); sep = ','; \ 911 } \ 912} while (0) 913 914 printf("\tIAPC_BOOT_ARCH="); 915 sep = '{'; 916 PRINTFLAG(fadt->BootFlags, LEGACY_DEVICES); 917 PRINTFLAG(fadt->BootFlags, 8042); 918 PRINTFLAG(fadt->BootFlags, NO_VGA); 919 PRINTFLAG(fadt->BootFlags, NO_MSI); 920 PRINTFLAG(fadt->BootFlags, NO_ASPM); 921 if (fadt->BootFlags != 0) 922 printf("}"); 923 printf("\n"); 924 925 printf("\tFlags="); 926 sep = '{'; 927 PRINTFLAG(fadt->Flags, WBINVD); 928 PRINTFLAG(fadt->Flags, WBINVD_FLUSH); 929 PRINTFLAG(fadt->Flags, C1_SUPPORTED); 930 PRINTFLAG(fadt->Flags, C2_MP_SUPPORTED); 931 PRINTFLAG(fadt->Flags, POWER_BUTTON); 932 PRINTFLAG(fadt->Flags, SLEEP_BUTTON); 933 PRINTFLAG(fadt->Flags, FIXED_RTC); 934 PRINTFLAG(fadt->Flags, S4_RTC_WAKE); 935 PRINTFLAG(fadt->Flags, 32BIT_TIMER); 936 PRINTFLAG(fadt->Flags, DOCKING_SUPPORTED); 937 PRINTFLAG(fadt->Flags, RESET_REGISTER); 938 PRINTFLAG(fadt->Flags, SEALED_CASE); 939 PRINTFLAG(fadt->Flags, HEADLESS); 940 PRINTFLAG(fadt->Flags, SLEEP_TYPE); 941 PRINTFLAG(fadt->Flags, PCI_EXPRESS_WAKE); 942 PRINTFLAG(fadt->Flags, PLATFORM_CLOCK); 943 PRINTFLAG(fadt->Flags, S4_RTC_VALID); 944 PRINTFLAG(fadt->Flags, REMOTE_POWER_ON); 945 PRINTFLAG(fadt->Flags, APIC_CLUSTER); 946 PRINTFLAG(fadt->Flags, APIC_PHYSICAL); 947 if (fadt->Flags != 0) 948 printf("}\n"); 949 950#undef PRINTFLAG 951 952 if (fadt->Flags & ACPI_FADT_RESET_REGISTER) { 953 printf("\tRESET_REG="); 954 acpi_print_gas(&fadt->ResetRegister); 955 printf(", RESET_VALUE=%#x\n", fadt->ResetValue); 956 } 957 if (acpi_get_fadt_revision(fadt) > 1) { 958 printf("\tX_FACS=0x%08lx, ", (u_long)fadt->XFacs); 959 printf("X_DSDT=0x%08lx\n", (u_long)fadt->XDsdt); 960 printf("\tX_PM1a_EVT_BLK="); 961 acpi_print_gas(&fadt->XPm1aEventBlock); 962 if (fadt->XPm1bEventBlock.Address != 0) { 963 printf("\n\tX_PM1b_EVT_BLK="); 964 acpi_print_gas(&fadt->XPm1bEventBlock); 965 } 966 printf("\n\tX_PM1a_CNT_BLK="); 967 acpi_print_gas(&fadt->XPm1aControlBlock); 968 if (fadt->XPm1bControlBlock.Address != 0) { 969 printf("\n\tX_PM1b_CNT_BLK="); 970 acpi_print_gas(&fadt->XPm1bControlBlock); 971 } 972 if (fadt->XPm2ControlBlock.Address != 0) { 973 printf("\n\tX_PM2_CNT_BLK="); 974 acpi_print_gas(&fadt->XPm2ControlBlock); 975 } 976 printf("\n\tX_PM_TMR_BLK="); 977 acpi_print_gas(&fadt->XPmTimerBlock); 978 if (fadt->XGpe0Block.Address != 0) { 979 printf("\n\tX_GPE0_BLK="); 980 acpi_print_gas(&fadt->XGpe0Block); 981 } 982 if (fadt->XGpe1Block.Address != 0) { 983 printf("\n\tX_GPE1_BLK="); 984 acpi_print_gas(&fadt->XGpe1Block); 985 } 986 printf("\n"); 987 } 988 989 printf(END_COMMENT); 990} 991 992static void 993acpi_print_facs(ACPI_TABLE_FACS *facs) 994{ 995 printf(BEGIN_COMMENT); 996 printf(" FACS:\tLength=%u, ", facs->Length); 997 printf("HwSig=0x%08x, ", facs->HardwareSignature); 998 printf("Firm_Wake_Vec=0x%08x\n", facs->FirmwareWakingVector); 999 1000 printf("\tGlobal_Lock="); 1001 if (facs->GlobalLock != 0) { 1002 if (facs->GlobalLock & ACPI_GLOCK_PENDING) 1003 printf("PENDING,"); 1004 if (facs->GlobalLock & ACPI_GLOCK_OWNED) 1005 printf("OWNED"); 1006 } 1007 printf("\n"); 1008 1009 printf("\tFlags="); 1010 if (facs->Flags & ACPI_FACS_S4_BIOS_PRESENT) 1011 printf("S4BIOS"); 1012 printf("\n"); 1013 1014 if (facs->XFirmwareWakingVector != 0) { 1015 printf("\tX_Firm_Wake_Vec=%08lx\n", 1016 (u_long)facs->XFirmwareWakingVector); 1017 } 1018 printf("\tVersion=%u\n", facs->Version); 1019 1020 printf(END_COMMENT); 1021} 1022 1023static void 1024acpi_print_dsdt(ACPI_TABLE_HEADER *dsdp) 1025{ 1026 printf(BEGIN_COMMENT); 1027 acpi_print_sdt(dsdp); 1028 printf(END_COMMENT); 1029} 1030 1031int 1032acpi_checksum(void *p, size_t length) 1033{ 1034 uint8_t *bp; 1035 uint8_t sum; 1036 1037 bp = p; 1038 sum = 0; 1039 while (length--) 1040 sum += *bp++; 1041 1042 return (sum); 1043} 1044 1045static ACPI_TABLE_HEADER * 1046acpi_map_sdt(vm_offset_t pa) 1047{ 1048 ACPI_TABLE_HEADER *sp; 1049 1050 sp = acpi_map_physical(pa, sizeof(ACPI_TABLE_HEADER)); 1051 sp = acpi_map_physical(pa, sp->Length); 1052 return (sp); 1053} 1054 1055static void 1056acpi_print_rsd_ptr(ACPI_TABLE_RSDP *rp) 1057{ 1058 printf(BEGIN_COMMENT); 1059 printf(" RSD PTR: OEM="); 1060 acpi_print_string(rp->OemId, ACPI_OEM_ID_SIZE); 1061 printf(", ACPI_Rev=%s (%d)\n", rp->Revision < 2 ? "1.0x" : "2.0x", 1062 rp->Revision); 1063 if (rp->Revision < 2) { 1064 printf("\tRSDT=0x%08x, cksum=%u\n", rp->RsdtPhysicalAddress, 1065 rp->Checksum); 1066 } else { 1067 printf("\tXSDT=0x%08lx, length=%u, cksum=%u\n", 1068 (u_long)rp->XsdtPhysicalAddress, rp->Length, 1069 rp->ExtendedChecksum); 1070 } 1071 printf(END_COMMENT); 1072} 1073 1074static void 1075acpi_handle_rsdt(ACPI_TABLE_HEADER *rsdp) 1076{ 1077 ACPI_TABLE_HEADER *sdp; 1078 ACPI_TABLE_RSDT *rsdt; 1079 ACPI_TABLE_XSDT *xsdt; 1080 vm_offset_t addr; 1081 int entries, i; 1082 1083 acpi_print_rsdt(rsdp); 1084 rsdt = (ACPI_TABLE_RSDT *)rsdp; 1085 xsdt = (ACPI_TABLE_XSDT *)rsdp; 1086 entries = (rsdp->Length - sizeof(ACPI_TABLE_HEADER)) / addr_size; 1087 for (i = 0; i < entries; i++) { 1088 switch (addr_size) { 1089 case 4: 1090 addr = le32toh(rsdt->TableOffsetEntry[i]); 1091 break; 1092 case 8: 1093 addr = le64toh(xsdt->TableOffsetEntry[i]); 1094 break; 1095 default: 1096 assert((addr = 0)); 1097 } 1098 1099 sdp = (ACPI_TABLE_HEADER *)acpi_map_sdt(addr); 1100 if (acpi_checksum(sdp, sdp->Length)) { 1101 warnx("RSDT entry %d (sig %.4s) is corrupt", i, 1102 sdp->Signature); 1103 continue; 1104 } 1105 if (!memcmp(sdp->Signature, ACPI_SIG_FADT, 4)) 1106 acpi_handle_fadt(sdp); 1107 else if (!memcmp(sdp->Signature, ACPI_SIG_MADT, 4)) 1108 acpi_handle_madt(sdp); 1109 else if (!memcmp(sdp->Signature, ACPI_SIG_HPET, 4)) 1110 acpi_handle_hpet(sdp); 1111 else if (!memcmp(sdp->Signature, ACPI_SIG_ECDT, 4)) 1112 acpi_handle_ecdt(sdp); 1113 else if (!memcmp(sdp->Signature, ACPI_SIG_MCFG, 4)) 1114 acpi_handle_mcfg(sdp); 1115 else if (!memcmp(sdp->Signature, ACPI_SIG_SLIT, 4)) 1116 acpi_handle_slit(sdp); 1117 else if (!memcmp(sdp->Signature, ACPI_SIG_SRAT, 4)) 1118 acpi_handle_srat(sdp); 1119 else if (!memcmp(sdp->Signature, ACPI_SIG_TCPA, 4)) 1120 acpi_handle_tcpa(sdp); 1121 else { 1122 printf(BEGIN_COMMENT); 1123 acpi_print_sdt(sdp); 1124 printf(END_COMMENT); 1125 } 1126 } 1127} 1128 1129ACPI_TABLE_HEADER * 1130sdt_load_devmem(void) 1131{ 1132 ACPI_TABLE_RSDP *rp; 1133 ACPI_TABLE_HEADER *rsdp; 1134 1135 rp = acpi_find_rsd_ptr(); 1136 if (!rp) 1137 errx(1, "Can't find ACPI information"); 1138 1139 if (tflag) 1140 acpi_print_rsd_ptr(rp); 1141 if (rp->Revision < 2) { 1142 rsdp = (ACPI_TABLE_HEADER *)acpi_map_sdt(rp->RsdtPhysicalAddress); 1143 if (memcmp(rsdp->Signature, "RSDT", 4) != 0 || 1144 acpi_checksum(rsdp, rsdp->Length) != 0) 1145 errx(1, "RSDT is corrupted"); 1146 addr_size = sizeof(uint32_t); 1147 } else { 1148 rsdp = (ACPI_TABLE_HEADER *)acpi_map_sdt(rp->XsdtPhysicalAddress); 1149 if (memcmp(rsdp->Signature, "XSDT", 4) != 0 || 1150 acpi_checksum(rsdp, rsdp->Length) != 0) 1151 errx(1, "XSDT is corrupted"); 1152 addr_size = sizeof(uint64_t); 1153 } 1154 return (rsdp); 1155} 1156 1157/* Write the DSDT to a file, concatenating any SSDTs (if present). */ 1158static int 1159write_dsdt(int fd, ACPI_TABLE_HEADER *rsdt, ACPI_TABLE_HEADER *dsdt) 1160{ 1161 ACPI_TABLE_HEADER sdt; 1162 ACPI_TABLE_HEADER *ssdt; 1163 uint8_t sum; 1164 1165 /* Create a new checksum to account for the DSDT and any SSDTs. */ 1166 sdt = *dsdt; 1167 if (rsdt != NULL) { 1168 sdt.Checksum = 0; 1169 sum = acpi_checksum(dsdt + 1, dsdt->Length - 1170 sizeof(ACPI_TABLE_HEADER)); 1171 ssdt = sdt_from_rsdt(rsdt, ACPI_SIG_SSDT, NULL); 1172 while (ssdt != NULL) { 1173 sdt.Length += ssdt->Length - sizeof(ACPI_TABLE_HEADER); 1174 sum += acpi_checksum(ssdt + 1, 1175 ssdt->Length - sizeof(ACPI_TABLE_HEADER)); 1176 ssdt = sdt_from_rsdt(rsdt, ACPI_SIG_SSDT, ssdt); 1177 } 1178 sum += acpi_checksum(&sdt, sizeof(ACPI_TABLE_HEADER)); 1179 sdt.Checksum -= sum; 1180 } 1181 1182 /* Write out the DSDT header and body. */ 1183 write(fd, &sdt, sizeof(ACPI_TABLE_HEADER)); 1184 write(fd, dsdt + 1, dsdt->Length - sizeof(ACPI_TABLE_HEADER)); 1185 1186 /* Write out any SSDTs (if present.) */ 1187 if (rsdt != NULL) { 1188 ssdt = sdt_from_rsdt(rsdt, "SSDT", NULL); 1189 while (ssdt != NULL) { 1190 write(fd, ssdt + 1, ssdt->Length - 1191 sizeof(ACPI_TABLE_HEADER)); 1192 ssdt = sdt_from_rsdt(rsdt, "SSDT", ssdt); 1193 } 1194 } 1195 return (0); 1196} 1197 1198void 1199dsdt_save_file(char *outfile, ACPI_TABLE_HEADER *rsdt, ACPI_TABLE_HEADER *dsdp) 1200{ 1201 int fd; 1202 mode_t mode; 1203 1204 assert(outfile != NULL); 1205 mode = S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH; 1206 fd = open(outfile, O_WRONLY | O_CREAT | O_TRUNC, mode); 1207 if (fd == -1) { 1208 perror("dsdt_save_file"); 1209 return; 1210 } 1211 write_dsdt(fd, rsdt, dsdp); 1212 close(fd); 1213} 1214 1215void 1216aml_disassemble(ACPI_TABLE_HEADER *rsdt, ACPI_TABLE_HEADER *dsdp) 1217{ 1218 char buf[PATH_MAX], tmpstr[PATH_MAX]; 1219 const char *tmpdir; 1220 char *tmpext; 1221 FILE *fp; 1222 size_t len; 1223 int fd; 1224 1225 tmpdir = getenv("TMPDIR"); 1226 if (tmpdir == NULL) 1227 tmpdir = _PATH_TMP; 1228 strncpy(tmpstr, tmpdir, sizeof(tmpstr)); 1229 if (realpath(tmpstr, buf) == NULL) { 1230 perror("realpath tmp dir"); 1231 return; 1232 } 1233 strncpy(tmpstr, buf, sizeof(tmpstr)); 1234 strncat(tmpstr, "/acpidump.", sizeof(tmpstr) - strlen(buf)); 1235 len = strlen(tmpstr); 1236 tmpext = tmpstr + len; 1237 strncpy(tmpext, "XXXXXX", sizeof(tmpstr) - len); 1238 fd = mkstemp(tmpstr); 1239 if (fd < 0) { 1240 perror("iasl tmp file"); 1241 return; 1242 } 1243 write_dsdt(fd, rsdt, dsdp); 1244 close(fd); 1245 1246 /* Run iasl -d on the temp file */ 1247 if (fork() == 0) { 1248 close(STDOUT_FILENO); 1249 if (vflag == 0) 1250 close(STDERR_FILENO); 1251 execl("/usr/sbin/iasl", "iasl", "-d", tmpstr, NULL); 1252 err(1, "exec"); 1253 } 1254 1255 wait(NULL); 1256 unlink(tmpstr); 1257 1258 /* Dump iasl's output to stdout */ 1259 strncpy(tmpext, "dsl", sizeof(tmpstr) - len); 1260 fp = fopen(tmpstr, "r"); 1261 unlink(tmpstr); 1262 if (fp == NULL) { 1263 perror("iasl tmp file (read)"); 1264 return; 1265 } 1266 while ((len = fread(buf, 1, sizeof(buf), fp)) > 0) 1267 fwrite(buf, 1, len, stdout); 1268 fclose(fp); 1269} 1270 1271void 1272sdt_print_all(ACPI_TABLE_HEADER *rsdp) 1273{ 1274 acpi_handle_rsdt(rsdp); 1275} 1276 1277/* Fetch a table matching the given signature via the RSDT. */ 1278ACPI_TABLE_HEADER * 1279sdt_from_rsdt(ACPI_TABLE_HEADER *rsdp, const char *sig, ACPI_TABLE_HEADER *last) 1280{ 1281 ACPI_TABLE_HEADER *sdt; 1282 ACPI_TABLE_RSDT *rsdt; 1283 ACPI_TABLE_XSDT *xsdt; 1284 vm_offset_t addr; 1285 int entries, i; 1286 1287 rsdt = (ACPI_TABLE_RSDT *)rsdp; 1288 xsdt = (ACPI_TABLE_XSDT *)rsdp; 1289 entries = (rsdp->Length - sizeof(ACPI_TABLE_HEADER)) / addr_size; 1290 for (i = 0; i < entries; i++) { 1291 switch (addr_size) { 1292 case 4: 1293 addr = le32toh(rsdt->TableOffsetEntry[i]); 1294 break; 1295 case 8: 1296 addr = le64toh(xsdt->TableOffsetEntry[i]); 1297 break; 1298 default: 1299 assert((addr = 0)); 1300 } 1301 sdt = (ACPI_TABLE_HEADER *)acpi_map_sdt(addr); 1302 if (last != NULL) { 1303 if (sdt == last) 1304 last = NULL; 1305 continue; 1306 } 1307 if (memcmp(sdt->Signature, sig, strlen(sig))) 1308 continue; 1309 if (acpi_checksum(sdt, sdt->Length)) 1310 errx(1, "RSDT entry %d is corrupt", i); 1311 return (sdt); 1312 } 1313 1314 return (NULL); 1315} 1316 1317ACPI_TABLE_HEADER * 1318dsdt_from_fadt(ACPI_TABLE_FADT *fadt) 1319{ 1320 ACPI_TABLE_HEADER *sdt; 1321 1322 /* Use the DSDT address if it is version 1, otherwise use XDSDT. */ 1323 if (acpi_get_fadt_revision(fadt) == 1) 1324 sdt = (ACPI_TABLE_HEADER *)acpi_map_sdt(fadt->Dsdt); 1325 else 1326 sdt = (ACPI_TABLE_HEADER *)acpi_map_sdt(fadt->XDsdt); 1327 if (acpi_checksum(sdt, sdt->Length)) 1328 errx(1, "DSDT is corrupt\n"); 1329 return (sdt); 1330} 1331