usr.sbin/acpi/acpidump/acpi.c

   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 #define PRINTFLAG_END()         printflag_end()
 127
 128 static char pf_sep = '{';
 129
 130 static void
 131 printflag_end(void)
 132 {
 133
 134         if (pf_sep != '{') {
 135                 printf("}");
 136                 pf_sep = '{';
 137         }
 138         printf("\n");
 139 }
 140
 141 static void
 142 printflag(uint64_t var, uint64_t mask, const char *name)
 143 {
 144
 145         if (var & mask) {
 146                 printf("%c%s", pf_sep, name);
 147                 pf_sep = ',';
 148         }
 149 }
 150
 151 static void
 152 acpi_print_string(char *s, size_t length)
 153 {
 154         int     c;
 155
 156         /* Trim trailing spaces and NULLs */
 157         while (length > 0 && (s[length - 1] == ' ' || s[length - 1] == '\0'))
 158                 length--;
 159
 160         while (length--) {
 161                 c = *s++;
 162                 putchar(c);
 163         }
 164 }
 165
 166 static void
 167 acpi_print_gas(ACPI_GENERIC_ADDRESS *gas)
 168 {
 169         switch(gas->SpaceId) {
 170         case ACPI_GAS_MEMORY:
 171                 printf("0x%08lx:%u[%u] (Memory)", (u_long)gas->Address,
 172                        gas->BitOffset, gas->BitWidth);
 173                 break;
 174         case ACPI_GAS_IO:
 175                 printf("0x%02lx:%u[%u] (IO)", (u_long)gas->Address,
 176                        gas->BitOffset, gas->BitWidth);
 177                 break;
 178         case ACPI_GAS_PCI:
 179                 printf("%x:%x+0x%x (PCI)", (uint16_t)(gas->Address >> 32),
 180                        (uint16_t)((gas->Address >> 16) & 0xffff),
 181                        (uint16_t)gas->Address);
 182                 break;
 183         /* XXX How to handle these below? */
 184         case ACPI_GAS_EMBEDDED:
 185                 printf("0x%x:%u[%u] (EC)", (uint16_t)gas->Address,
 186                        gas->BitOffset, gas->BitWidth);
 187                 break;
 188         case ACPI_GAS_SMBUS:
 189                 printf("0x%x:%u[%u] (SMBus)", (uint16_t)gas->Address,
 190                        gas->BitOffset, gas->BitWidth);
 191                 break;
 192         case ACPI_GAS_CMOS:
 193         case ACPI_GAS_PCIBAR:
 194         case ACPI_GAS_DATATABLE:
 195         case ACPI_GAS_FIXED:
 196         default:
 197                 printf("0x%08lx (?)", (u_long)gas->Address);
 198                 break;
 199         }
 200 }
 201
 202 /* The FADT revision indicates whether we use the DSDT or X_DSDT addresses. */
 203 static int
 204 acpi_get_fadt_revision(ACPI_TABLE_FADT *fadt)
 205 {
 206         int fadt_revision;
 207
 208         /* Set the FADT revision separately from the RSDP version. */
 209         if (addr_size == 8) {
 210                 fadt_revision = 2;
 211
 212                 /*
 213                  * A few systems (e.g., IBM T23) have an RSDP that claims
 214                  * revision 2 but the 64 bit addresses are invalid.  If
 215                  * revision 2 and the 32 bit address is non-zero but the
 216                  * 32 and 64 bit versions don't match, prefer the 32 bit
 217                  * version for all subsequent tables.
 218                  */
 219                 if (fadt->Facs != 0 &&
 220                     (fadt->XFacs & 0xffffffff) != fadt->Facs)
 221                         fadt_revision = 1;
 222         } else
 223                 fadt_revision = 1;
 224         return (fadt_revision);
 225 }
 226
 227 static void
 228 acpi_handle_fadt(ACPI_TABLE_HEADER *sdp)
 229 {
 230         ACPI_TABLE_HEADER *dsdp;
 231         ACPI_TABLE_FACS *facs;
 232         ACPI_TABLE_FADT *fadt;
 233         int             fadt_revision;
 234
 235         fadt = (ACPI_TABLE_FADT *)sdp;
 236         acpi_print_fadt(sdp);
 237
 238         fadt_revision = acpi_get_fadt_revision(fadt);
 239         if (fadt_revision == 1)
 240                 facs = (ACPI_TABLE_FACS *)acpi_map_sdt(fadt->Facs);
 241         else
 242                 facs = (ACPI_TABLE_FACS *)acpi_map_sdt(fadt->XFacs);
 243         if (memcmp(facs->Signature, ACPI_SIG_FACS, 4) != 0 || facs->Length < 64)
 244                 errx(1, "FACS is corrupt");
 245         acpi_print_facs(facs);
 246
 247         if (fadt_revision == 1)
 248                 dsdp = (ACPI_TABLE_HEADER *)acpi_map_sdt(fadt->Dsdt);
 249         else
 250                 dsdp = (ACPI_TABLE_HEADER *)acpi_map_sdt(fadt->XDsdt);
 251         if (acpi_checksum(dsdp, dsdp->Length))
 252                 errx(1, "DSDT is corrupt");
 253         acpi_print_dsdt(dsdp);
 254 }
 255
 256 static void
 257 acpi_walk_subtables(ACPI_TABLE_HEADER *table, void *first,
 258     void (*action)(ACPI_SUBTABLE_HEADER *))
 259 {
 260         ACPI_SUBTABLE_HEADER *subtable;
 261         char *end;
 262
 263         subtable = first;
 264         end = (char *)table + table->Length;
 265         while ((char *)subtable < end) {
 266                 printf("\n");
 267                 action(subtable);
 268                 subtable = (ACPI_SUBTABLE_HEADER *)((char *)subtable +
 269                     subtable->Length);
 270         }
 271 }
 272
 273 static void
 274 acpi_print_cpu(u_char cpu_id)
 275 {
 276
 277         printf("\tACPI CPU=");
 278         if (cpu_id == 0xff)
 279                 printf("ALL\n");
 280         else
 281                 printf("%d\n", (u_int)cpu_id);
 282 }
 283
 284 static void
 285 acpi_print_cpu_uid(uint32_t uid, char *uid_string)
 286 {
 287
 288         printf("\tUID=%d", uid);
 289         if (uid_string != NULL)
 290                 printf(" (%s)", uid_string);
 291         printf("\n");
 292 }
 293
 294 static void
 295 acpi_print_local_apic(uint32_t apic_id, uint32_t flags)
 296 {
 297
 298         printf("\tFlags={");
 299         if (flags & ACPI_MADT_ENABLED)
 300                 printf("ENABLED");
 301         else
 302                 printf("DISABLED");
 303         printf("}\n");
 304         printf("\tAPIC ID=%d\n", apic_id);
 305 }
 306
 307 static void
 308 acpi_print_io_apic(uint32_t apic_id, uint32_t int_base, uint64_t apic_addr)
 309 {
 310
 311         printf("\tAPIC ID=%d\n", apic_id);
 312         printf("\tINT BASE=%d\n", int_base);
 313         printf("\tADDR=0x%016jx\n", (uintmax_t)apic_addr);
 314 }
 315
 316 static void
 317 acpi_print_mps_flags(uint16_t flags)
 318 {
 319
 320         printf("\tFlags={Polarity=");
 321         switch (flags & ACPI_MADT_POLARITY_MASK) {
 322         case ACPI_MADT_POLARITY_CONFORMS:
 323                 printf("conforming");
 324                 break;
 325         case ACPI_MADT_POLARITY_ACTIVE_HIGH:
 326                 printf("active-hi");
 327                 break;
 328         case ACPI_MADT_POLARITY_ACTIVE_LOW:
 329                 printf("active-lo");
 330                 break;
 331         default:
 332                 printf("0x%x", flags & ACPI_MADT_POLARITY_MASK);
 333                 break;
 334         }
 335         printf(", Trigger=");
 336         switch (flags & ACPI_MADT_TRIGGER_MASK) {
 337         case ACPI_MADT_TRIGGER_CONFORMS:
 338                 printf("conforming");
 339                 break;
 340         case ACPI_MADT_TRIGGER_EDGE:
 341                 printf("edge");
 342                 break;
 343         case ACPI_MADT_TRIGGER_LEVEL:
 344                 printf("level");
 345                 break;
 346         default:
 347                 printf("0x%x", (flags & ACPI_MADT_TRIGGER_MASK) >> 2);
 348         }
 349         printf("}\n");
 350 }
 351
 352 static void
 353 acpi_print_intr(uint32_t intr, uint16_t mps_flags)
 354 {
 355
 356         printf("\tINTR=%d\n", intr);
 357         acpi_print_mps_flags(mps_flags);
 358 }
 359
 360 static void
 361 acpi_print_local_nmi(u_int lint, uint16_t mps_flags)
 362 {
 363
 364         printf("\tLINT Pin=%d\n", lint);
 365         acpi_print_mps_flags(mps_flags);
 366 }
 367
 368 static const char *apic_types[] = { "Local APIC", "IO APIC", "INT Override",
 369                                     "NMI", "Local APIC NMI",
 370                                     "Local APIC Override", "IO SAPIC",
 371                                     "Local SAPIC", "Platform Interrupt",
 372                                     "Local X2APIC", "Local X2APIC NMI" };
 373 static const char *platform_int_types[] = { "0 (unknown)", "PMI", "INIT",
 374                                             "Corrected Platform Error" };
 375
 376 static void
 377 acpi_print_madt(ACPI_SUBTABLE_HEADER *mp)
 378 {
 379         ACPI_MADT_LOCAL_APIC *lapic;
 380         ACPI_MADT_IO_APIC *ioapic;
 381         ACPI_MADT_INTERRUPT_OVERRIDE *over;
 382         ACPI_MADT_NMI_SOURCE *nmi;
 383         ACPI_MADT_LOCAL_APIC_NMI *lapic_nmi;
 384         ACPI_MADT_LOCAL_APIC_OVERRIDE *lapic_over;
 385         ACPI_MADT_IO_SAPIC *iosapic;
 386         ACPI_MADT_LOCAL_SAPIC *lsapic;
 387         ACPI_MADT_INTERRUPT_SOURCE *isrc;
 388         ACPI_MADT_LOCAL_X2APIC *x2apic;
 389         ACPI_MADT_LOCAL_X2APIC_NMI *x2apic_nmi;
 390
 391         if (mp->Type < sizeof(apic_types) / sizeof(apic_types[0]))
 392                 printf("\tType=%s\n", apic_types[mp->Type]);
 393         else
 394                 printf("\tType=%d (unknown)\n", mp->Type);
 395         switch (mp->Type) {
 396         case ACPI_MADT_TYPE_LOCAL_APIC:
 397                 lapic = (ACPI_MADT_LOCAL_APIC *)mp;
 398                 acpi_print_cpu(lapic->ProcessorId);
 399                 acpi_print_local_apic(lapic->Id, lapic->LapicFlags);
 400                 break;
 401         case ACPI_MADT_TYPE_IO_APIC:
 402                 ioapic = (ACPI_MADT_IO_APIC *)mp;
 403                 acpi_print_io_apic(ioapic->Id, ioapic->GlobalIrqBase,
 404                     ioapic->Address);
 405                 break;
 406         case ACPI_MADT_TYPE_INTERRUPT_OVERRIDE:
 407                 over = (ACPI_MADT_INTERRUPT_OVERRIDE *)mp;
 408                 printf("\tBUS=%d\n", (u_int)over->Bus);
 409                 printf("\tIRQ=%d\n", (u_int)over->SourceIrq);
 410                 acpi_print_intr(over->GlobalIrq, over->IntiFlags);
 411                 break;
 412         case ACPI_MADT_TYPE_NMI_SOURCE:
 413                 nmi = (ACPI_MADT_NMI_SOURCE *)mp;
 414                 acpi_print_intr(nmi->GlobalIrq, nmi->IntiFlags);
 415                 break;
 416         case ACPI_MADT_TYPE_LOCAL_APIC_NMI:
 417                 lapic_nmi = (ACPI_MADT_LOCAL_APIC_NMI *)mp;
 418                 acpi_print_cpu(lapic_nmi->ProcessorId);
 419                 acpi_print_local_nmi(lapic_nmi->Lint, lapic_nmi->IntiFlags);
 420                 break;
 421         case ACPI_MADT_TYPE_LOCAL_APIC_OVERRIDE:
 422                 lapic_over = (ACPI_MADT_LOCAL_APIC_OVERRIDE *)mp;
 423                 printf("\tLocal APIC ADDR=0x%016jx\n",
 424                     (uintmax_t)lapic_over->Address);
 425                 break;
 426         case ACPI_MADT_TYPE_IO_SAPIC:
 427                 iosapic = (ACPI_MADT_IO_SAPIC *)mp;
 428                 acpi_print_io_apic(iosapic->Id, iosapic->GlobalIrqBase,
 429                     iosapic->Address);
 430                 break;
 431         case ACPI_MADT_TYPE_LOCAL_SAPIC:
 432                 lsapic = (ACPI_MADT_LOCAL_SAPIC *)mp;
 433                 acpi_print_cpu(lsapic->ProcessorId);
 434                 acpi_print_local_apic(lsapic->Id, lsapic->LapicFlags);
 435                 printf("\tAPIC EID=%d\n", (u_int)lsapic->Eid);
 436                 if (mp->Length > __offsetof(ACPI_MADT_LOCAL_SAPIC, Uid))
 437                         acpi_print_cpu_uid(lsapic->Uid, lsapic->UidString);
 438                 break;
 439         case ACPI_MADT_TYPE_INTERRUPT_SOURCE:
 440                 isrc = (ACPI_MADT_INTERRUPT_SOURCE *)mp;
 441                 if (isrc->Type < sizeof(platform_int_types) /
 442                     sizeof(platform_int_types[0]))
 443                         printf("\tType=%s\n", platform_int_types[isrc->Type]);
 444                 else
 445                         printf("\tType=%d (unknown)\n", isrc->Type);
 446                 printf("\tAPIC ID=%d\n", (u_int)isrc->Id);
 447                 printf("\tAPIC EID=%d\n", (u_int)isrc->Eid);
 448                 printf("\tSAPIC Vector=%d\n", (u_int)isrc->IoSapicVector);
 449                 acpi_print_intr(isrc->GlobalIrq, isrc->IntiFlags);
 450                 break;
 451         case ACPI_MADT_TYPE_LOCAL_X2APIC:
 452                 x2apic = (ACPI_MADT_LOCAL_X2APIC *)mp;
 453                 acpi_print_cpu_uid(x2apic->Uid, NULL);
 454                 acpi_print_local_apic(x2apic->LocalApicId, x2apic->LapicFlags);
 455                 break;
 456         case ACPI_MADT_TYPE_LOCAL_X2APIC_NMI:
 457                 x2apic_nmi = (ACPI_MADT_LOCAL_X2APIC_NMI *)mp;
 458                 acpi_print_cpu_uid(x2apic_nmi->Uid, NULL);
 459                 acpi_print_local_nmi(x2apic_nmi->Lint, x2apic_nmi->IntiFlags);
 460                 break;
 461         }
 462 }
 463
 464 static void
 465 acpi_handle_madt(ACPI_TABLE_HEADER *sdp)
 466 {
 467         ACPI_TABLE_MADT *madt;
 468
 469         printf(BEGIN_COMMENT);
 470         acpi_print_sdt(sdp);
 471         madt = (ACPI_TABLE_MADT *)sdp;
 472         printf("\tLocal APIC ADDR=0x%08x\n", madt->Address);
 473         printf("\tFlags={");
 474         if (madt->Flags & ACPI_MADT_PCAT_COMPAT)
 475                 printf("PC-AT");
 476         printf("}\n");
 477         acpi_walk_subtables(sdp, (madt + 1), acpi_print_madt);
 478         printf(END_COMMENT);
 479 }
 480
 481 static void
 482 acpi_handle_hpet(ACPI_TABLE_HEADER *sdp)
 483 {
 484         ACPI_TABLE_HPET *hpet;
 485
 486         printf(BEGIN_COMMENT);
 487         acpi_print_sdt(sdp);
 488         hpet = (ACPI_TABLE_HPET *)sdp;
 489         printf("\tHPET Number=%d\n", hpet->Sequence);
 490         printf("\tADDR=");
 491         acpi_print_gas(&hpet->Address);
 492         printf("\tHW Rev=0x%x\n", hpet->Id & ACPI_HPET_ID_HARDWARE_REV_ID);
 493         printf("\tComparators=%d\n", (hpet->Id & ACPI_HPET_ID_COMPARATORS) >>
 494             8);
 495         printf("\tCounter Size=%d\n", hpet->Id & ACPI_HPET_ID_COUNT_SIZE_CAP ?
 496             1 : 0);
 497         printf("\tLegacy IRQ routing capable={");
 498         if (hpet->Id & ACPI_HPET_ID_LEGACY_CAPABLE)
 499                 printf("TRUE}\n");
 500         else
 501                 printf("FALSE}\n");
 502         printf("\tPCI Vendor ID=0x%04x\n", hpet->Id >> 16);
 503         printf("\tMinimal Tick=%d\n", hpet->MinimumTick);
 504         printf(END_COMMENT);
 505 }
 506
 507 static void
 508 acpi_handle_ecdt(ACPI_TABLE_HEADER *sdp)
 509 {
 510         ACPI_TABLE_ECDT *ecdt;
 511
 512         printf(BEGIN_COMMENT);
 513         acpi_print_sdt(sdp);
 514         ecdt = (ACPI_TABLE_ECDT *)sdp;
 515         printf("\tEC_CONTROL=");
 516         acpi_print_gas(&ecdt->Control);
 517         printf("\n\tEC_DATA=");
 518         acpi_print_gas(&ecdt->Data);
 519         printf("\n\tUID=%#x, ", ecdt->Uid);
 520         printf("GPE_BIT=%#x\n", ecdt->Gpe);
 521         printf("\tEC_ID=%s\n", ecdt->Id);
 522         printf(END_COMMENT);
 523 }
 524
 525 static void
 526 acpi_handle_mcfg(ACPI_TABLE_HEADER *sdp)
 527 {
 528         ACPI_TABLE_MCFG *mcfg;
 529         ACPI_MCFG_ALLOCATION *alloc;
 530         u_int i, entries;
 531
 532         printf(BEGIN_COMMENT);
 533         acpi_print_sdt(sdp);
 534         mcfg = (ACPI_TABLE_MCFG *)sdp;
 535         entries = (sdp->Length - sizeof(ACPI_TABLE_MCFG)) /
 536             sizeof(ACPI_MCFG_ALLOCATION);
 537         alloc = (ACPI_MCFG_ALLOCATION *)(mcfg + 1);
 538         for (i = 0; i < entries; i++, alloc++) {
 539                 printf("\n");
 540                 printf("\tBase Address=0x%016jx\n", (uintmax_t)alloc->Address);
 541                 printf("\tSegment Group=0x%04x\n", alloc->PciSegment);
 542                 printf("\tStart Bus=%d\n", alloc->StartBusNumber);
 543                 printf("\tEnd Bus=%d\n", alloc->EndBusNumber);
 544         }
 545         printf(END_COMMENT);
 546 }
 547
 548 static void
 549 acpi_handle_slit(ACPI_TABLE_HEADER *sdp)
 550 {
 551         ACPI_TABLE_SLIT *slit;
 552         UINT64 i, j;
 553
 554         printf(BEGIN_COMMENT);
 555         acpi_print_sdt(sdp);
 556         slit = (ACPI_TABLE_SLIT *)sdp;
 557         printf("\tLocality Count=%ju\n", (uintmax_t)slit->LocalityCount);
 558         printf("\n\t      ");
 559         for (i = 0; i < slit->LocalityCount; i++)
 560                 printf(" %3ju", (uintmax_t)i);
 561         printf("\n\t     +");
 562         for (i = 0; i < slit->LocalityCount; i++)
 563                 printf("----");
 564         printf("\n");
 565         for (i = 0; i < slit->LocalityCount; i++) {
 566                 printf("\t %3ju |", (uintmax_t)i);
 567                 for (j = 0; j < slit->LocalityCount; j++)
 568                         printf(" %3d",
 569                             slit->Entry[i * slit->LocalityCount + j]);
 570                 printf("\n");
 571         }
 572         printf(END_COMMENT);
 573 }
 574
 575 static void
 576 acpi_print_srat_cpu(uint32_t apic_id, uint32_t proximity_domain,
 577     uint32_t flags)
 578 {
 579
 580         printf("\tFlags={");
 581         if (flags & ACPI_SRAT_CPU_ENABLED)
 582                 printf("ENABLED");
 583         else
 584                 printf("DISABLED");
 585         printf("}\n");
 586         printf("\tAPIC ID=%d\n", apic_id);
 587         printf("\tProximity Domain=%d\n", proximity_domain);
 588 }
 589
 590 static char *
 591 acpi_tcpa_evname(struct TCPAevent *event)
 592 {
 593         struct TCPApc_event *pc_event;
 594         char *eventname = NULL;
 595
 596         pc_event = (struct TCPApc_event *)(event + 1);
 597
 598         switch(event->event_type) {
 599         case PREBOOT:
 600         case POST_CODE:
 601         case UNUSED:
 602         case NO_ACTION:
 603         case SEPARATOR:
 604         case SCRTM_CONTENTS:
 605         case SCRTM_VERSION:
 606         case CPU_MICROCODE:
 607         case PLATFORM_CONFIG_FLAGS:
 608         case TABLE_OF_DEVICES:
 609         case COMPACT_HASH:
 610         case IPL:
 611         case IPL_PARTITION_DATA:
 612         case NONHOST_CODE:
 613         case NONHOST_CONFIG:
 614         case NONHOST_INFO:
 615                 asprintf(&eventname, "%s",
 616                     tcpa_event_type_strings[event->event_type]);
 617                 break;
 618
 619         case ACTION:
 620                 eventname = calloc(event->event_size + 1, sizeof(char));
 621                 memcpy(eventname, pc_event, event->event_size);
 622                 break;
 623
 624         case EVENT_TAG:
 625                 switch (pc_event->event_id) {
 626                 case SMBIOS:
 627                 case BIS_CERT:
 628                 case CMOS:
 629                 case NVRAM:
 630                 case OPTION_ROM_EXEC:
 631                 case OPTION_ROM_CONFIG:
 632                 case S_CRTM_VERSION:
 633                 case POST_BIOS_ROM:
 634                 case ESCD:
 635                 case OPTION_ROM_MICROCODE:
 636                 case S_CRTM_CONTENTS:
 637                 case POST_CONTENTS:
 638                         asprintf(&eventname, "%s",
 639                             TCPA_pcclient_strings[pc_event->event_id]);
 640                         break;
 641
 642                 default:
 643                         asprintf(&eventname, "<unknown tag 0x%02x>",
 644                             pc_event->event_id);
 645                         break;
 646                 }
 647                 break;
 648
 649         default:
 650                 asprintf(&eventname, "<unknown 0x%02x>", event->event_type);
 651                 break;
 652         }
 653
 654         return eventname;
 655 }
 656
 657 static void
 658 acpi_print_tcpa(struct TCPAevent *event)
 659 {
 660         int i;
 661         char *eventname;
 662
 663         eventname = acpi_tcpa_evname(event);
 664
 665         printf("\t%d", event->pcr_index);
 666         printf(" 0x");
 667         for (i = 0; i < 20; i++)
 668                 printf("%02x", event->pcr_value[i]);
 669         printf(" [%s]\n", eventname ? eventname : "<unknown>");
 670
 671         free(eventname);
 672 }
 673
 674 static void
 675 acpi_handle_tcpa(ACPI_TABLE_HEADER *sdp)
 676 {
 677         struct TCPAbody *tcpa;
 678         struct TCPAevent *event;
 679         uintmax_t len, paddr;
 680         unsigned char *vaddr = NULL;
 681         unsigned char *vend = NULL;
 682
 683         printf(BEGIN_COMMENT);
 684         acpi_print_sdt(sdp);
 685         tcpa = (struct TCPAbody *) sdp;
 686
 687         switch (tcpa->platform_class) {
 688         case ACPI_TCPA_BIOS_CLIENT:
 689                 len = tcpa->client.log_max_len;
 690                 paddr = tcpa->client.log_start_addr;
 691                 break;
 692
 693         case ACPI_TCPA_BIOS_SERVER:
 694                 len = tcpa->server.log_max_len;
 695                 paddr = tcpa->server.log_start_addr;
 696                 break;
 697
 698         default:
 699                 printf("XXX");
 700                 printf(END_COMMENT);
 701                 return;
 702         }
 703         printf("\tClass %u Base Address 0x%jx Length %ju\n\n",
 704             tcpa->platform_class, paddr, len);
 705
 706         if (len == 0) {
 707                 printf("\tEmpty TCPA table\n");
 708                 printf(END_COMMENT);
 709                 return;
 710         }
 711         if(sdp->Revision == 1){
 712                 printf("\tOLD TCPA spec log found. Dumping not supported.\n");
 713                 printf(END_COMMENT);
 714                 return;
 715         }
 716
 717         vaddr = (unsigned char *)acpi_map_physical(paddr, len);
 718         vend = vaddr + len;
 719
 720         while (vaddr != NULL) {
 721                 if ((vaddr + sizeof(struct TCPAevent) >= vend)||
 722                     (vaddr + sizeof(struct TCPAevent) < vaddr))
 723                         break;
 724                 event = (struct TCPAevent *)(void *)vaddr;
 725                 if (vaddr + event->event_size >= vend)
 726                         break;
 727                 if (vaddr + event->event_size < vaddr)
 728                         break;
 729                 if (event->event_type == 0 && event->event_size == 0)
 730                         break;
 731 #if 0
 732                 {
 733                 unsigned int i, j, k;
 734
 735                 printf("\n\tsize %d\n\t\t%p ", event->event_size, vaddr);
 736                 for (j = 0, i = 0; i <
 737                     sizeof(struct TCPAevent) + event->event_size; i++) {
 738                         printf("%02x ", vaddr[i]);
 739                         if ((i+1) % 8 == 0) {
 740                                 for (k = 0; k < 8; k++)
 741                                         printf("%c", isprint(vaddr[j+k]) ?
 742                                             vaddr[j+k] : '.');
 743                                 printf("\n\t\t%p ", &vaddr[i + 1]);
 744                                 j = i + 1;
 745                         }
 746                 }
 747                 printf("\n"); }
 748 #endif
 749                 acpi_print_tcpa(event);
 750
 751                 vaddr += sizeof(struct TCPAevent) + event->event_size;
 752         }
 753
 754         printf(END_COMMENT);
 755 }
 756
 757 static const char *
 758 devscope_type2str(int type)
 759 {
 760         static char typebuf[16];
 761
 762         switch (type) {
 763         case 1:
 764                 return ("PCI Endpoint Device");
 765         case 2:
 766                 return ("PCI Sub-Hierarchy");
 767         case 3:
 768                 return ("IOAPIC");
 769         case 4:
 770                 return ("HPET");
 771         default:
 772                 snprintf(typebuf, sizeof(typebuf), "%d", type);
 773                 return (typebuf);
 774         }
 775 }
 776
 777 static int
 778 acpi_handle_dmar_devscope(void *addr, int remaining)
 779 {
 780         char sep;
 781         int pathlen;
 782         ACPI_DMAR_PCI_PATH *path, *pathend;
 783         ACPI_DMAR_DEVICE_SCOPE *devscope = addr;
 784
 785         if (remaining < (int)sizeof(ACPI_DMAR_DEVICE_SCOPE))
 786                 return (-1);
 787
 788         if (remaining < devscope->Length)
 789                 return (-1);
 790
 791         printf("\n");
 792         printf("\t\tType=%s\n", devscope_type2str(devscope->EntryType));
 793         printf("\t\tLength=%d\n", devscope->Length);
 794         printf("\t\tEnumerationId=%d\n", devscope->EnumerationId);
 795         printf("\t\tStartBusNumber=%d\n", devscope->Bus);
 796
 797         path = (ACPI_DMAR_PCI_PATH *)(devscope + 1);
 798         pathlen = devscope->Length - sizeof(ACPI_DMAR_DEVICE_SCOPE);
 799         pathend = path + pathlen / sizeof(ACPI_DMAR_PCI_PATH);
 800         if (path < pathend) {
 801                 sep = '{';
 802                 printf("\t\tPath=");
 803                 do {
 804                         printf("%c%d:%d", sep, path->Device, path->Function);
 805                         sep=',';
 806                         path++;
 807                 } while (path < pathend);
 808                 printf("}\n");
 809         }
 810
 811         return (devscope->Length);
 812 }
 813
 814 static void
 815 acpi_handle_dmar_drhd(ACPI_DMAR_HARDWARE_UNIT *drhd)
 816 {
 817         char *cp;
 818         int remaining, consumed;
 819
 820         printf("\n");
 821         printf("\tType=DRHD\n");
 822         printf("\tLength=%d\n", drhd->Header.Length);
 823
 824 #define PRINTFLAG(var, flag)    printflag((var), ACPI_DMAR_## flag, #flag)
 825
 826         printf("\tFlags=");
 827         PRINTFLAG(drhd->Flags, INCLUDE_ALL);
 828         PRINTFLAG_END();
 829
 830 #undef PRINTFLAG
 831
 832         printf("\tSegment=%d\n", drhd->Segment);
 833         printf("\tAddress=0x%0jx\n", (uintmax_t)drhd->Address);
 834
 835         remaining = drhd->Header.Length - sizeof(ACPI_DMAR_HARDWARE_UNIT);
 836         if (remaining > 0)
 837                 printf("\tDevice Scope:");
 838         while (remaining > 0) {
 839                 cp = (char *)drhd + drhd->Header.Length - remaining;
 840                 consumed = acpi_handle_dmar_devscope(cp, remaining);
 841                 if (consumed <= 0)
 842                         break;
 843                 else
 844                         remaining -= consumed;
 845         }
 846 }
 847
 848 static void
 849 acpi_handle_dmar_rmrr(ACPI_DMAR_RESERVED_MEMORY *rmrr)
 850 {
 851         char *cp;
 852         int remaining, consumed;
 853
 854         printf("\n");
 855         printf("\tType=RMRR\n");
 856         printf("\tLength=%d\n", rmrr->Header.Length);
 857         printf("\tSegment=%d\n", rmrr->Segment);
 858         printf("\tBaseAddress=0x%0jx\n", (uintmax_t)rmrr->BaseAddress);
 859         printf("\tLimitAddress=0x%0jx\n", (uintmax_t)rmrr->EndAddress);
 860
 861         remaining = rmrr->Header.Length - sizeof(ACPI_DMAR_RESERVED_MEMORY);
 862         if (remaining > 0)
 863                 printf("\tDevice Scope:");
 864         while (remaining > 0) {
 865                 cp = (char *)rmrr + rmrr->Header.Length - remaining;
 866                 consumed = acpi_handle_dmar_devscope(cp, remaining);
 867                 if (consumed <= 0)
 868                         break;
 869                 else
 870                         remaining -= consumed;
 871         }
 872 }
 873
 874 static void
 875 acpi_handle_dmar_atsr(ACPI_DMAR_ATSR *atsr)
 876 {
 877         char *cp;
 878         int remaining, consumed;
 879
 880         printf("\n");
 881         printf("\tType=ATSR\n");
 882         printf("\tLength=%d\n", atsr->Header.Length);
 883
 884 #define PRINTFLAG(var, flag)    printflag((var), ACPI_DMAR_## flag, #flag)
 885
 886         printf("\tFlags=");
 887         PRINTFLAG(atsr->Flags, ALL_PORTS);
 888         PRINTFLAG_END();
 889
 890 #undef PRINTFLAG
 891
 892         printf("\tSegment=%d\n", atsr->Segment);
 893
 894         remaining = atsr->Header.Length - sizeof(ACPI_DMAR_ATSR);
 895         if (remaining > 0)
 896                 printf("\tDevice Scope:");
 897         while (remaining > 0) {
 898                 cp = (char *)atsr + atsr->Header.Length - remaining;
 899                 consumed = acpi_handle_dmar_devscope(cp, remaining);
 900                 if (consumed <= 0)
 901                         break;
 902                 else
 903                         remaining -= consumed;
 904         }
 905 }
 906
 907 static void
 908 acpi_handle_dmar_rhsa(ACPI_DMAR_RHSA *rhsa)
 909 {
 910
 911         printf("\n");
 912         printf("\tType=RHSA\n");
 913         printf("\tLength=%d\n", rhsa->Header.Length);
 914         printf("\tBaseAddress=0x%0jx\n", (uintmax_t)rhsa->BaseAddress);
 915         printf("\tProximityDomain=0x%08x\n", rhsa->ProximityDomain);
 916 }
 917
 918 static int
 919 acpi_handle_dmar_remapping_structure(void *addr, int remaining)
 920 {
 921         ACPI_DMAR_HEADER *hdr = addr;
 922
 923         if (remaining < (int)sizeof(ACPI_DMAR_HEADER))
 924                 return (-1);
 925
 926         if (remaining < hdr->Length)
 927                 return (-1);
 928
 929         switch (hdr->Type) {
 930         case ACPI_DMAR_TYPE_HARDWARE_UNIT:
 931                 acpi_handle_dmar_drhd(addr);
 932                 break;
 933         case ACPI_DMAR_TYPE_RESERVED_MEMORY:
 934                 acpi_handle_dmar_rmrr(addr);
 935                 break;
 936         case ACPI_DMAR_TYPE_ATSR:
 937                 acpi_handle_dmar_atsr(addr);
 938                 break;
 939         case ACPI_DMAR_HARDWARE_AFFINITY:
 940                 acpi_handle_dmar_rhsa(addr);
 941                 break;
 942         default:
 943                 printf("\n");
 944                 printf("\tType=%d\n", hdr->Type);
 945                 printf("\tLength=%d\n", hdr->Length);
 946                 break;
 947         }
 948         return (hdr->Length);
 949 }
 950
 951 #ifndef ACPI_DMAR_X2APIC_OPT_OUT
 952 #define ACPI_DMAR_X2APIC_OPT_OUT        (0x2)
 953 #endif
 954
 955 static void
 956 acpi_handle_dmar(ACPI_TABLE_HEADER *sdp)
 957 {
 958         char *cp;
 959         int remaining, consumed;
 960         ACPI_TABLE_DMAR *dmar;
 961
 962         printf(BEGIN_COMMENT);
 963         acpi_print_sdt(sdp);
 964         dmar = (ACPI_TABLE_DMAR *)sdp;
 965         printf("\tHost Address Width=%d\n", dmar->Width + 1);
 966
 967 #define PRINTFLAG(var, flag)    printflag((var), ACPI_DMAR_## flag, #flag)
 968
 969         printf("\tFlags=");
 970         PRINTFLAG(dmar->Flags, INTR_REMAP);
 971         PRINTFLAG(dmar->Flags, X2APIC_OPT_OUT);
 972         PRINTFLAG_END();
 973
 974 #undef PRINTFLAG
 975
 976         remaining = sdp->Length - sizeof(ACPI_TABLE_DMAR);
 977         while (remaining > 0) {
 978                 cp = (char *)sdp + sdp->Length - remaining;
 979                 consumed = acpi_handle_dmar_remapping_structure(cp, remaining);
 980                 if (consumed <= 0)
 981                         break;
 982                 else
 983                         remaining -= consumed;
 984         }
 985
 986         printf(END_COMMENT);
 987 }
 988
 989 static void
 990 acpi_print_srat_memory(ACPI_SRAT_MEM_AFFINITY *mp)
 991 {
 992
 993         printf("\tFlags={");
 994         if (mp->Flags & ACPI_SRAT_MEM_ENABLED)
 995                 printf("ENABLED");
 996         else
 997                 printf("DISABLED");
 998         if (mp->Flags & ACPI_SRAT_MEM_HOT_PLUGGABLE)
 999                 printf(",HOT_PLUGGABLE");
1000         if (mp->Flags & ACPI_SRAT_MEM_NON_VOLATILE)
1001                 printf(",NON_VOLATILE");
1002         printf("}\n");
1003         printf("\tBase Address=0x%016jx\n", (uintmax_t)mp->BaseAddress);
1004         printf("\tLength=0x%016jx\n", (uintmax_t)mp->Length);
1005         printf("\tProximity Domain=%d\n", mp->ProximityDomain);
1006 }
1007
1008 static const char *srat_types[] = { "CPU", "Memory", "X2APIC" };
1009
1010 static void
1011 acpi_print_srat(ACPI_SUBTABLE_HEADER *srat)
1012 {
1013         ACPI_SRAT_CPU_AFFINITY *cpu;
1014         ACPI_SRAT_X2APIC_CPU_AFFINITY *x2apic;
1015
1016         if (srat->Type < sizeof(srat_types) / sizeof(srat_types[0]))
1017                 printf("\tType=%s\n", srat_types[srat->Type]);
1018         else
1019                 printf("\tType=%d (unknown)\n", srat->Type);
1020         switch (srat->Type) {
1021         case ACPI_SRAT_TYPE_CPU_AFFINITY:
1022                 cpu = (ACPI_SRAT_CPU_AFFINITY *)srat;
1023                 acpi_print_srat_cpu(cpu->ApicId,
1024                     cpu->ProximityDomainHi[2] << 24 |
1025                     cpu->ProximityDomainHi[1] << 16 |
1026                     cpu->ProximityDomainHi[0] << 0 |
1027                     cpu->ProximityDomainLo, cpu->Flags);
1028                 break;
1029         case ACPI_SRAT_TYPE_MEMORY_AFFINITY:
1030                 acpi_print_srat_memory((ACPI_SRAT_MEM_AFFINITY *)srat);
1031                 break;
1032         case ACPI_SRAT_TYPE_X2APIC_CPU_AFFINITY:
1033                 x2apic = (ACPI_SRAT_X2APIC_CPU_AFFINITY *)srat;
1034                 acpi_print_srat_cpu(x2apic->ApicId, x2apic->ProximityDomain,
1035                     x2apic->Flags);
1036                 break;
1037         }
1038 }
1039
1040 static void
1041 acpi_handle_srat(ACPI_TABLE_HEADER *sdp)
1042 {
1043         ACPI_TABLE_SRAT *srat;
1044
1045         printf(BEGIN_COMMENT);
1046         acpi_print_sdt(sdp);
1047         srat = (ACPI_TABLE_SRAT *)sdp;
1048         printf("\tTable Revision=%d\n", srat->TableRevision);
1049         acpi_walk_subtables(sdp, (srat + 1), acpi_print_srat);
1050         printf(END_COMMENT);
1051 }
1052
1053 static void
1054 acpi_print_sdt(ACPI_TABLE_HEADER *sdp)
1055 {
1056         printf("  ");
1057         acpi_print_string(sdp->Signature, ACPI_NAME_SIZE);
1058         printf(": Length=%d, Revision=%d, Checksum=%d,\n",
1059                sdp->Length, sdp->Revision, sdp->Checksum);
1060         printf("\tOEMID=");
1061         acpi_print_string(sdp->OemId, ACPI_OEM_ID_SIZE);
1062         printf(", OEM Table ID=");
1063         acpi_print_string(sdp->OemTableId, ACPI_OEM_TABLE_ID_SIZE);
1064         printf(", OEM Revision=0x%x,\n", sdp->OemRevision);
1065         printf("\tCreator ID=");
1066         acpi_print_string(sdp->AslCompilerId, ACPI_NAME_SIZE);
1067         printf(", Creator Revision=0x%x\n", sdp->AslCompilerRevision);
1068 }
1069
1070 static void
1071 acpi_print_rsdt(ACPI_TABLE_HEADER *rsdp)
1072 {
1073         ACPI_TABLE_RSDT *rsdt;
1074         ACPI_TABLE_XSDT *xsdt;
1075         int     i, entries;
1076         u_long  addr;
1077
1078         rsdt = (ACPI_TABLE_RSDT *)rsdp;
1079         xsdt = (ACPI_TABLE_XSDT *)rsdp;
1080         printf(BEGIN_COMMENT);
1081         acpi_print_sdt(rsdp);
1082         entries = (rsdp->Length - sizeof(ACPI_TABLE_HEADER)) / addr_size;
1083         printf("\tEntries={ ");
1084         for (i = 0; i < entries; i++) {
1085                 if (i > 0)
1086                         printf(", ");
1087                 switch (addr_size) {
1088                 case 4:
1089                         addr = le32toh(rsdt->TableOffsetEntry[i]);
1090                         break;
1091                 case 8:
1092                         addr = le64toh(xsdt->TableOffsetEntry[i]);
1093                         break;
1094                 default:
1095                         addr = 0;
1096                 }
1097                 assert(addr != 0);
1098                 printf("0x%08lx", addr);
1099         }
1100         printf(" }\n");
1101         printf(END_COMMENT);
1102 }
1103
1104 static const char *acpi_pm_profiles[] = {
1105         "Unspecified", "Desktop", "Mobile", "Workstation",
1106         "Enterprise Server", "SOHO Server", "Appliance PC"
1107 };
1108
1109 static void
1110 acpi_print_fadt(ACPI_TABLE_HEADER *sdp)
1111 {
1112         ACPI_TABLE_FADT *fadt;
1113         const char *pm;
1114
1115         fadt = (ACPI_TABLE_FADT *)sdp;
1116         printf(BEGIN_COMMENT);
1117         acpi_print_sdt(sdp);
1118         printf(" \tFACS=0x%x, DSDT=0x%x\n", fadt->Facs,
1119                fadt->Dsdt);
1120         printf("\tINT_MODEL=%s\n", fadt->Model ? "APIC" : "PIC");
1121         if (fadt->PreferredProfile >= sizeof(acpi_pm_profiles) / sizeof(char *))
1122                 pm = "Reserved";
1123         else
1124                 pm = acpi_pm_profiles[fadt->PreferredProfile];
1125         printf("\tPreferred_PM_Profile=%s (%d)\n", pm, fadt->PreferredProfile);
1126         printf("\tSCI_INT=%d\n", fadt->SciInterrupt);
1127         printf("\tSMI_CMD=0x%x, ", fadt->SmiCommand);
1128         printf("ACPI_ENABLE=0x%x, ", fadt->AcpiEnable);
1129         printf("ACPI_DISABLE=0x%x, ", fadt->AcpiDisable);
1130         printf("S4BIOS_REQ=0x%x\n", fadt->S4BiosRequest);
1131         printf("\tPSTATE_CNT=0x%x\n", fadt->PstateControl);
1132         printf("\tPM1a_EVT_BLK=0x%x-0x%x\n",
1133                fadt->Pm1aEventBlock,
1134                fadt->Pm1aEventBlock + fadt->Pm1EventLength - 1);
1135         if (fadt->Pm1bEventBlock != 0)
1136                 printf("\tPM1b_EVT_BLK=0x%x-0x%x\n",
1137                        fadt->Pm1bEventBlock,
1138                        fadt->Pm1bEventBlock + fadt->Pm1EventLength - 1);
1139         printf("\tPM1a_CNT_BLK=0x%x-0x%x\n",
1140                fadt->Pm1aControlBlock,
1141                fadt->Pm1aControlBlock + fadt->Pm1ControlLength - 1);
1142         if (fadt->Pm1bControlBlock != 0)
1143                 printf("\tPM1b_CNT_BLK=0x%x-0x%x\n",
1144                        fadt->Pm1bControlBlock,
1145                        fadt->Pm1bControlBlock + fadt->Pm1ControlLength - 1);
1146         if (fadt->Pm2ControlBlock != 0)
1147                 printf("\tPM2_CNT_BLK=0x%x-0x%x\n",
1148                        fadt->Pm2ControlBlock,
1149                        fadt->Pm2ControlBlock + fadt->Pm2ControlLength - 1);
1150         printf("\tPM_TMR_BLK=0x%x-0x%x\n",
1151                fadt->PmTimerBlock,
1152                fadt->PmTimerBlock + fadt->PmTimerLength - 1);
1153         if (fadt->Gpe0Block != 0)
1154                 printf("\tGPE0_BLK=0x%x-0x%x\n",
1155                        fadt->Gpe0Block,
1156                        fadt->Gpe0Block + fadt->Gpe0BlockLength - 1);
1157         if (fadt->Gpe1Block != 0)
1158                 printf("\tGPE1_BLK=0x%x-0x%x, GPE1_BASE=%d\n",
1159                        fadt->Gpe1Block,
1160                        fadt->Gpe1Block + fadt->Gpe1BlockLength - 1,
1161                        fadt->Gpe1Base);
1162         if (fadt->CstControl != 0)
1163                 printf("\tCST_CNT=0x%x\n", fadt->CstControl);
1164         printf("\tP_LVL2_LAT=%d us, P_LVL3_LAT=%d us\n",
1165                fadt->C2Latency, fadt->C3Latency);
1166         printf("\tFLUSH_SIZE=%d, FLUSH_STRIDE=%d\n",
1167                fadt->FlushSize, fadt->FlushStride);
1168         printf("\tDUTY_OFFSET=%d, DUTY_WIDTH=%d\n",
1169                fadt->DutyOffset, fadt->DutyWidth);
1170         printf("\tDAY_ALRM=%d, MON_ALRM=%d, CENTURY=%d\n",
1171                fadt->DayAlarm, fadt->MonthAlarm, fadt->Century);
1172
1173 #define PRINTFLAG(var, flag)    printflag((var), ACPI_FADT_## flag, #flag)
1174
1175         printf("\tIAPC_BOOT_ARCH=");
1176         PRINTFLAG(fadt->BootFlags, LEGACY_DEVICES);
1177         PRINTFLAG(fadt->BootFlags, 8042);
1178         PRINTFLAG(fadt->BootFlags, NO_VGA);
1179         PRINTFLAG(fadt->BootFlags, NO_MSI);
1180         PRINTFLAG(fadt->BootFlags, NO_ASPM);
1181         PRINTFLAG_END();
1182
1183         printf("\tFlags=");
1184         PRINTFLAG(fadt->Flags, WBINVD);
1185         PRINTFLAG(fadt->Flags, WBINVD_FLUSH);
1186         PRINTFLAG(fadt->Flags, C1_SUPPORTED);
1187         PRINTFLAG(fadt->Flags, C2_MP_SUPPORTED);
1188         PRINTFLAG(fadt->Flags, POWER_BUTTON);
1189         PRINTFLAG(fadt->Flags, SLEEP_BUTTON);
1190         PRINTFLAG(fadt->Flags, FIXED_RTC);
1191         PRINTFLAG(fadt->Flags, S4_RTC_WAKE);
1192         PRINTFLAG(fadt->Flags, 32BIT_TIMER);
1193         PRINTFLAG(fadt->Flags, DOCKING_SUPPORTED);
1194         PRINTFLAG(fadt->Flags, RESET_REGISTER);
1195         PRINTFLAG(fadt->Flags, SEALED_CASE);
1196         PRINTFLAG(fadt->Flags, HEADLESS);
1197         PRINTFLAG(fadt->Flags, SLEEP_TYPE);
1198         PRINTFLAG(fadt->Flags, PCI_EXPRESS_WAKE);
1199         PRINTFLAG(fadt->Flags, PLATFORM_CLOCK);
1200         PRINTFLAG(fadt->Flags, S4_RTC_VALID);
1201         PRINTFLAG(fadt->Flags, REMOTE_POWER_ON);
1202         PRINTFLAG(fadt->Flags, APIC_CLUSTER);
1203         PRINTFLAG(fadt->Flags, APIC_PHYSICAL);
1204         PRINTFLAG_END();
1205
1206 #undef PRINTFLAG
1207
1208         if (fadt->Flags & ACPI_FADT_RESET_REGISTER) {
1209                 printf("\tRESET_REG=");
1210                 acpi_print_gas(&fadt->ResetRegister);
1211                 printf(", RESET_VALUE=%#x\n", fadt->ResetValue);
1212         }
1213         if (acpi_get_fadt_revision(fadt) > 1) {
1214                 printf("\tX_FACS=0x%08lx, ", (u_long)fadt->XFacs);
1215                 printf("X_DSDT=0x%08lx\n", (u_long)fadt->XDsdt);
1216                 printf("\tX_PM1a_EVT_BLK=");
1217                 acpi_print_gas(&fadt->XPm1aEventBlock);
1218                 if (fadt->XPm1bEventBlock.Address != 0) {
1219                         printf("\n\tX_PM1b_EVT_BLK=");
1220                         acpi_print_gas(&fadt->XPm1bEventBlock);
1221                 }
1222                 printf("\n\tX_PM1a_CNT_BLK=");
1223                 acpi_print_gas(&fadt->XPm1aControlBlock);
1224                 if (fadt->XPm1bControlBlock.Address != 0) {
1225                         printf("\n\tX_PM1b_CNT_BLK=");
1226                         acpi_print_gas(&fadt->XPm1bControlBlock);
1227                 }
1228                 if (fadt->XPm2ControlBlock.Address != 0) {
1229                         printf("\n\tX_PM2_CNT_BLK=");
1230                         acpi_print_gas(&fadt->XPm2ControlBlock);
1231                 }
1232                 printf("\n\tX_PM_TMR_BLK=");
1233                 acpi_print_gas(&fadt->XPmTimerBlock);
1234                 if (fadt->XGpe0Block.Address != 0) {
1235                         printf("\n\tX_GPE0_BLK=");
1236                         acpi_print_gas(&fadt->XGpe0Block);
1237                 }
1238                 if (fadt->XGpe1Block.Address != 0) {
1239                         printf("\n\tX_GPE1_BLK=");
1240                         acpi_print_gas(&fadt->XGpe1Block);
1241                 }
1242                 printf("\n");
1243         }
1244
1245         printf(END_COMMENT);
1246 }
1247
1248 static void
1249 acpi_print_facs(ACPI_TABLE_FACS *facs)
1250 {
1251         printf(BEGIN_COMMENT);
1252         printf("  FACS:\tLength=%u, ", facs->Length);
1253         printf("HwSig=0x%08x, ", facs->HardwareSignature);
1254         printf("Firm_Wake_Vec=0x%08x\n", facs->FirmwareWakingVector);
1255
1256         printf("\tGlobal_Lock=");
1257         if (facs->GlobalLock != 0) {
1258                 if (facs->GlobalLock & ACPI_GLOCK_PENDING)
1259                         printf("PENDING,");
1260                 if (facs->GlobalLock & ACPI_GLOCK_OWNED)
1261                         printf("OWNED");
1262         }
1263         printf("\n");
1264
1265         printf("\tFlags=");
1266         if (facs->Flags & ACPI_FACS_S4_BIOS_PRESENT)
1267                 printf("S4BIOS");
1268         printf("\n");
1269
1270         if (facs->XFirmwareWakingVector != 0) {
1271                 printf("\tX_Firm_Wake_Vec=%08lx\n",
1272                        (u_long)facs->XFirmwareWakingVector);
1273         }
1274         printf("\tVersion=%u\n", facs->Version);
1275
1276         printf(END_COMMENT);
1277 }
1278
1279 static void
1280 acpi_print_dsdt(ACPI_TABLE_HEADER *dsdp)
1281 {
1282         printf(BEGIN_COMMENT);
1283         acpi_print_sdt(dsdp);
1284         printf(END_COMMENT);
1285 }
1286
1287 int
1288 acpi_checksum(void *p, size_t length)
1289 {
1290         uint8_t *bp;
1291         uint8_t sum;
1292
1293         bp = p;
1294         sum = 0;
1295         while (length--)
1296                 sum += *bp++;
1297
1298         return (sum);
1299 }
1300
1301 static ACPI_TABLE_HEADER *
1302 acpi_map_sdt(vm_offset_t pa)
1303 {
1304         ACPI_TABLE_HEADER *sp;
1305
1306         sp = acpi_map_physical(pa, sizeof(ACPI_TABLE_HEADER));
1307         sp = acpi_map_physical(pa, sp->Length);
1308         return (sp);
1309 }
1310
1311 static void
1312 acpi_print_rsd_ptr(ACPI_TABLE_RSDP *rp)
1313 {
1314         printf(BEGIN_COMMENT);
1315         printf("  RSD PTR: OEM=");
1316         acpi_print_string(rp->OemId, ACPI_OEM_ID_SIZE);
1317         printf(", ACPI_Rev=%s (%d)\n", rp->Revision < 2 ? "1.0x" : "2.0x",
1318                rp->Revision);
1319         if (rp->Revision < 2) {
1320                 printf("\tRSDT=0x%08x, cksum=%u\n", rp->RsdtPhysicalAddress,
1321                     rp->Checksum);
1322         } else {
1323                 printf("\tXSDT=0x%08lx, length=%u, cksum=%u\n",
1324                     (u_long)rp->XsdtPhysicalAddress, rp->Length,
1325                     rp->ExtendedChecksum);
1326         }
1327         printf(END_COMMENT);
1328 }
1329
1330 static void
1331 acpi_handle_rsdt(ACPI_TABLE_HEADER *rsdp)
1332 {
1333         ACPI_TABLE_HEADER *sdp;
1334         ACPI_TABLE_RSDT *rsdt;
1335         ACPI_TABLE_XSDT *xsdt;
1336         vm_offset_t addr;
1337         int entries, i;
1338
1339         acpi_print_rsdt(rsdp);
1340         rsdt = (ACPI_TABLE_RSDT *)rsdp;
1341         xsdt = (ACPI_TABLE_XSDT *)rsdp;
1342         entries = (rsdp->Length - sizeof(ACPI_TABLE_HEADER)) / addr_size;
1343         for (i = 0; i < entries; i++) {
1344                 switch (addr_size) {
1345                 case 4:
1346                         addr = le32toh(rsdt->TableOffsetEntry[i]);
1347                         break;
1348                 case 8:
1349                         addr = le64toh(xsdt->TableOffsetEntry[i]);
1350                         break;
1351                 default:
1352                         assert((addr = 0));
1353                 }
1354
1355                 sdp = (ACPI_TABLE_HEADER *)acpi_map_sdt(addr);
1356                 if (acpi_checksum(sdp, sdp->Length)) {
1357                         warnx("RSDT entry %d (sig %.4s) is corrupt", i,
1358                             sdp->Signature);
1359                         continue;
1360                 }
1361                 if (!memcmp(sdp->Signature, ACPI_SIG_FADT, 4))
1362                         acpi_handle_fadt(sdp);
1363                 else if (!memcmp(sdp->Signature, ACPI_SIG_MADT, 4))
1364                         acpi_handle_madt(sdp);
1365                 else if (!memcmp(sdp->Signature, ACPI_SIG_HPET, 4))
1366                         acpi_handle_hpet(sdp);
1367                 else if (!memcmp(sdp->Signature, ACPI_SIG_ECDT, 4))
1368                         acpi_handle_ecdt(sdp);
1369                 else if (!memcmp(sdp->Signature, ACPI_SIG_MCFG, 4))
1370                         acpi_handle_mcfg(sdp);
1371                 else if (!memcmp(sdp->Signature, ACPI_SIG_SLIT, 4))
1372                         acpi_handle_slit(sdp);
1373                 else if (!memcmp(sdp->Signature, ACPI_SIG_SRAT, 4))
1374                         acpi_handle_srat(sdp);
1375                 else if (!memcmp(sdp->Signature, ACPI_SIG_TCPA, 4))
1376                         acpi_handle_tcpa(sdp);
1377                 else if (!memcmp(sdp->Signature, ACPI_SIG_DMAR, 4))
1378                         acpi_handle_dmar(sdp);
1379                 else {
1380                         printf(BEGIN_COMMENT);
1381                         acpi_print_sdt(sdp);
1382                         printf(END_COMMENT);
1383                 }
1384         }
1385 }
1386
1387 ACPI_TABLE_HEADER *
1388 sdt_load_devmem(void)
1389 {
1390         ACPI_TABLE_RSDP *rp;
1391         ACPI_TABLE_HEADER *rsdp;
1392
1393         rp = acpi_find_rsd_ptr();
1394         if (!rp)
1395                 errx(1, "Can't find ACPI information");
1396
1397         if (tflag)
1398                 acpi_print_rsd_ptr(rp);
1399         if (rp->Revision < 2) {
1400                 rsdp = (ACPI_TABLE_HEADER *)acpi_map_sdt(rp->RsdtPhysicalAddress);
1401                 if (memcmp(rsdp->Signature, "RSDT", 4) != 0 ||
1402                     acpi_checksum(rsdp, rsdp->Length) != 0)
1403                         errx(1, "RSDT is corrupted");
1404                 addr_size = sizeof(uint32_t);
1405         } else {
1406                 rsdp = (ACPI_TABLE_HEADER *)acpi_map_sdt(rp->XsdtPhysicalAddress);
1407                 if (memcmp(rsdp->Signature, "XSDT", 4) != 0 ||
1408                     acpi_checksum(rsdp, rsdp->Length) != 0)
1409                         errx(1, "XSDT is corrupted");
1410                 addr_size = sizeof(uint64_t);
1411         }
1412         return (rsdp);
1413 }
1414
1415 /* Write the DSDT to a file, concatenating any SSDTs (if present). */
1416 static int
1417 write_dsdt(int fd, ACPI_TABLE_HEADER *rsdt, ACPI_TABLE_HEADER *dsdt)
1418 {
1419         ACPI_TABLE_HEADER sdt;
1420         ACPI_TABLE_HEADER *ssdt;
1421         uint8_t sum;
1422
1423         /* Create a new checksum to account for the DSDT and any SSDTs. */
1424         sdt = *dsdt;
1425         if (rsdt != NULL) {
1426                 sdt.Checksum = 0;
1427                 sum = acpi_checksum(dsdt + 1, dsdt->Length -
1428                     sizeof(ACPI_TABLE_HEADER));
1429                 ssdt = sdt_from_rsdt(rsdt, ACPI_SIG_SSDT, NULL);
1430                 while (ssdt != NULL) {
1431                         sdt.Length += ssdt->Length - sizeof(ACPI_TABLE_HEADER);
1432                         sum += acpi_checksum(ssdt + 1,
1433                             ssdt->Length - sizeof(ACPI_TABLE_HEADER));
1434                         ssdt = sdt_from_rsdt(rsdt, ACPI_SIG_SSDT, ssdt);
1435                 }
1436                 sum += acpi_checksum(&sdt, sizeof(ACPI_TABLE_HEADER));
1437                 sdt.Checksum -= sum;
1438         }
1439
1440         /* Write out the DSDT header and body. */
1441         write(fd, &sdt, sizeof(ACPI_TABLE_HEADER));
1442         write(fd, dsdt + 1, dsdt->Length - sizeof(ACPI_TABLE_HEADER));
1443
1444         /* Write out any SSDTs (if present.) */
1445         if (rsdt != NULL) {
1446                 ssdt = sdt_from_rsdt(rsdt, "SSDT", NULL);
1447                 while (ssdt != NULL) {
1448                         write(fd, ssdt + 1, ssdt->Length -
1449                             sizeof(ACPI_TABLE_HEADER));
1450                         ssdt = sdt_from_rsdt(rsdt, "SSDT", ssdt);
1451                 }
1452         }
1453         return (0);
1454 }
1455
1456 void
1457 dsdt_save_file(char *outfile, ACPI_TABLE_HEADER *rsdt, ACPI_TABLE_HEADER *dsdp)
1458 {
1459         int     fd;
1460         mode_t  mode;
1461
1462         assert(outfile != NULL);
1463         mode = S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH;
1464         fd = open(outfile, O_WRONLY | O_CREAT | O_TRUNC, mode);
1465         if (fd == -1) {
1466                 perror("dsdt_save_file");
1467                 return;
1468         }
1469         write_dsdt(fd, rsdt, dsdp);
1470         close(fd);
1471 }
1472
1473 void
1474 aml_disassemble(ACPI_TABLE_HEADER *rsdt, ACPI_TABLE_HEADER *dsdp)
1475 {
1476         char buf[PATH_MAX], tmpstr[PATH_MAX];
1477         const char *tmpdir;
1478         char *tmpext;
1479         FILE *fp;
1480         size_t len;
1481         int fd;
1482
1483         tmpdir = getenv("TMPDIR");
1484         if (tmpdir == NULL)
1485                 tmpdir = _PATH_TMP;
1486         strncpy(tmpstr, tmpdir, sizeof(tmpstr));
1487         if (realpath(tmpstr, buf) == NULL) {
1488                 perror("realpath tmp dir");
1489                 return;
1490         }
1491         strncpy(tmpstr, buf, sizeof(tmpstr));
1492         strncat(tmpstr, "/acpidump.", sizeof(tmpstr) - strlen(buf));
1493         len = strlen(tmpstr);
1494         tmpext = tmpstr + len;
1495         strncpy(tmpext, "XXXXXX", sizeof(tmpstr) - len);
1496         fd = mkstemp(tmpstr);
1497         if (fd < 0) {
1498                 perror("iasl tmp file");
1499                 return;
1500         }
1501         write_dsdt(fd, rsdt, dsdp);
1502         close(fd);
1503
1504         /* Run iasl -d on the temp file */
1505         if (fork() == 0) {
1506                 close(STDOUT_FILENO);
1507                 if (vflag == 0)
1508                         close(STDERR_FILENO);
1509                 execl("/usr/sbin/iasl", "iasl", "-d", tmpstr, NULL);
1510                 err(1, "exec");
1511         }
1512
1513         wait(NULL);
1514         unlink(tmpstr);
1515
1516         /* Dump iasl's output to stdout */
1517         strncpy(tmpext, "dsl", sizeof(tmpstr) - len);
1518         fp = fopen(tmpstr, "r");
1519         unlink(tmpstr);
1520         if (fp == NULL) {
1521                 perror("iasl tmp file (read)");
1522                 return;
1523         }
1524         while ((len = fread(buf, 1, sizeof(buf), fp)) > 0)
1525                 fwrite(buf, 1, len, stdout);
1526         fclose(fp);
1527 }
1528
1529 void
1530 sdt_print_all(ACPI_TABLE_HEADER *rsdp)
1531 {
1532         acpi_handle_rsdt(rsdp);
1533 }
1534
1535 /* Fetch a table matching the given signature via the RSDT. */
1536 ACPI_TABLE_HEADER *
1537 sdt_from_rsdt(ACPI_TABLE_HEADER *rsdp, const char *sig, ACPI_TABLE_HEADER *last)
1538 {
1539         ACPI_TABLE_HEADER *sdt;
1540         ACPI_TABLE_RSDT *rsdt;
1541         ACPI_TABLE_XSDT *xsdt;
1542         vm_offset_t addr;
1543         int entries, i;
1544
1545         rsdt = (ACPI_TABLE_RSDT *)rsdp;
1546         xsdt = (ACPI_TABLE_XSDT *)rsdp;
1547         entries = (rsdp->Length - sizeof(ACPI_TABLE_HEADER)) / addr_size;
1548         for (i = 0; i < entries; i++) {
1549                 switch (addr_size) {
1550                 case 4:
1551                         addr = le32toh(rsdt->TableOffsetEntry[i]);
1552                         break;
1553                 case 8:
1554                         addr = le64toh(xsdt->TableOffsetEntry[i]);
1555                         break;
1556                 default:
1557                         assert((addr = 0));
1558                 }
1559                 sdt = (ACPI_TABLE_HEADER *)acpi_map_sdt(addr);
1560                 if (last != NULL) {
1561                         if (sdt == last)
1562                                 last = NULL;
1563                         continue;
1564                 }
1565                 if (memcmp(sdt->Signature, sig, strlen(sig)))
1566                         continue;
1567                 if (acpi_checksum(sdt, sdt->Length))
1568                         errx(1, "RSDT entry %d is corrupt", i);
1569                 return (sdt);
1570         }
1571
1572         return (NULL);
1573 }
1574
1575 ACPI_TABLE_HEADER *
1576 dsdt_from_fadt(ACPI_TABLE_FADT *fadt)
1577 {
1578         ACPI_TABLE_HEADER       *sdt;
1579
1580         /* Use the DSDT address if it is version 1, otherwise use XDSDT. */
1581         if (acpi_get_fadt_revision(fadt) == 1)
1582                 sdt = (ACPI_TABLE_HEADER *)acpi_map_sdt(fadt->Dsdt);
1583         else
1584                 sdt = (ACPI_TABLE_HEADER *)acpi_map_sdt(fadt->XDsdt);
1585         if (acpi_checksum(sdt, sdt->Length))
1586                 errx(1, "DSDT is corrupt\n");
1587         return (sdt);
1588 }