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 static void
 127 acpi_print_string(char *s, size_t length)
 128 {
 129         int     c;
 130
 131         /* Trim trailing spaces and NULLs */
 132         while (length > 0 && (s[length - 1] == ' ' || s[length - 1] == '\0'))
 133                 length--;
 134
 135         while (length--) {
 136                 c = *s++;
 137                 putchar(c);
 138         }
 139 }
 140
 141 static void
 142 acpi_print_gas(ACPI_GENERIC_ADDRESS *gas)
 143 {
 144         switch(gas->SpaceId) {
 145         case ACPI_GAS_MEMORY:
 146                 printf("0x%08lx:%u[%u] (Memory)", (u_long)gas->Address,
 147                        gas->BitOffset, gas->BitWidth);
 148                 break;
 149         case ACPI_GAS_IO:
 150                 printf("0x%02lx:%u[%u] (IO)", (u_long)gas->Address,
 151                        gas->BitOffset, gas->BitWidth);
 152                 break;
 153         case ACPI_GAS_PCI:
 154                 printf("%x:%x+0x%x (PCI)", (uint16_t)(gas->Address >> 32),
 155                        (uint16_t)((gas->Address >> 16) & 0xffff),
 156                        (uint16_t)gas->Address);
 157                 break;
 158         /* XXX How to handle these below? */
 159         case ACPI_GAS_EMBEDDED:
 160                 printf("0x%x:%u[%u] (EC)", (uint16_t)gas->Address,
 161                        gas->BitOffset, gas->BitWidth);
 162                 break;
 163         case ACPI_GAS_SMBUS:
 164                 printf("0x%x:%u[%u] (SMBus)", (uint16_t)gas->Address,
 165                        gas->BitOffset, gas->BitWidth);
 166                 break;
 167         case ACPI_GAS_CMOS:
 168         case ACPI_GAS_PCIBAR:
 169         case ACPI_GAS_DATATABLE:
 170         case ACPI_GAS_FIXED:
 171         default:
 172                 printf("0x%08lx (?)", (u_long)gas->Address);
 173                 break;
 174         }
 175 }
 176
 177 /* The FADT revision indicates whether we use the DSDT or X_DSDT addresses. */
 178 static int
 179 acpi_get_fadt_revision(ACPI_TABLE_FADT *fadt)
 180 {
 181         int fadt_revision;
 182
 183         /* Set the FADT revision separately from the RSDP version. */
 184         if (addr_size == 8) {
 185                 fadt_revision = 2;
 186
 187                 /*
 188                  * A few systems (e.g., IBM T23) have an RSDP that claims
 189                  * revision 2 but the 64 bit addresses are invalid.  If
 190                  * revision 2 and the 32 bit address is non-zero but the
 191                  * 32 and 64 bit versions don't match, prefer the 32 bit
 192                  * version for all subsequent tables.
 193                  */
 194                 if (fadt->Facs != 0 &&
 195                     (fadt->XFacs & 0xffffffff) != fadt->Facs)
 196                         fadt_revision = 1;
 197         } else
 198                 fadt_revision = 1;
 199         return (fadt_revision);
 200 }
 201
 202 static void
 203 acpi_handle_fadt(ACPI_TABLE_HEADER *sdp)
 204 {
 205         ACPI_TABLE_HEADER *dsdp;
 206         ACPI_TABLE_FACS *facs;
 207         ACPI_TABLE_FADT *fadt;
 208         int             fadt_revision;
 209
 210         fadt = (ACPI_TABLE_FADT *)sdp;
 211         acpi_print_fadt(sdp);
 212
 213         fadt_revision = acpi_get_fadt_revision(fadt);
 214         if (fadt_revision == 1)
 215                 facs = (ACPI_TABLE_FACS *)acpi_map_sdt(fadt->Facs);
 216         else
 217                 facs = (ACPI_TABLE_FACS *)acpi_map_sdt(fadt->XFacs);
 218         if (memcmp(facs->Signature, ACPI_SIG_FACS, 4) != 0 || facs->Length < 64)
 219                 errx(1, "FACS is corrupt");
 220         acpi_print_facs(facs);
 221
 222         if (fadt_revision == 1)
 223                 dsdp = (ACPI_TABLE_HEADER *)acpi_map_sdt(fadt->Dsdt);
 224         else
 225                 dsdp = (ACPI_TABLE_HEADER *)acpi_map_sdt(fadt->XDsdt);
 226         if (acpi_checksum(dsdp, dsdp->Length))
 227                 errx(1, "DSDT is corrupt");
 228         acpi_print_dsdt(dsdp);
 229 }
 230
 231 static void
 232 acpi_walk_subtables(ACPI_TABLE_HEADER *table, void *first,
 233     void (*action)(ACPI_SUBTABLE_HEADER *))
 234 {
 235         ACPI_SUBTABLE_HEADER *subtable;
 236         char *end;
 237
 238         subtable = first;
 239         end = (char *)table + table->Length;
 240         while ((char *)subtable < end) {
 241                 printf("\n");
 242                 action(subtable);
 243                 subtable = (ACPI_SUBTABLE_HEADER *)((char *)subtable +
 244                     subtable->Length);
 245         }
 246 }
 247
 248 static void
 249 acpi_print_cpu(u_char cpu_id)
 250 {
 251
 252         printf("\tACPI CPU=");
 253         if (cpu_id == 0xff)
 254                 printf("ALL\n");
 255         else
 256                 printf("%d\n", (u_int)cpu_id);
 257 }
 258
 259 static void
 260 acpi_print_cpu_uid(uint32_t uid, char *uid_string)
 261 {
 262
 263         printf("\tUID=%d", uid);
 264         if (uid_string != NULL)
 265                 printf(" (%s)", uid_string);
 266         printf("\n");
 267 }
 268
 269 static void
 270 acpi_print_local_apic(uint32_t apic_id, uint32_t flags)
 271 {
 272
 273         printf("\tFlags={");
 274         if (flags & ACPI_MADT_ENABLED)
 275                 printf("ENABLED");
 276         else
 277                 printf("DISABLED");
 278         printf("}\n");
 279         printf("\tAPIC ID=%d\n", apic_id);
 280 }
 281
 282 static void
 283 acpi_print_io_apic(uint32_t apic_id, uint32_t int_base, uint64_t apic_addr)
 284 {
 285
 286         printf("\tAPIC ID=%d\n", apic_id);
 287         printf("\tINT BASE=%d\n", int_base);
 288         printf("\tADDR=0x%016jx\n", (uintmax_t)apic_addr);
 289 }
 290
 291 static void
 292 acpi_print_mps_flags(uint16_t flags)
 293 {
 294
 295         printf("\tFlags={Polarity=");
 296         switch (flags & ACPI_MADT_POLARITY_MASK) {
 297         case ACPI_MADT_POLARITY_CONFORMS:
 298                 printf("conforming");
 299                 break;
 300         case ACPI_MADT_POLARITY_ACTIVE_HIGH:
 301                 printf("active-hi");
 302                 break;
 303         case ACPI_MADT_POLARITY_ACTIVE_LOW:
 304                 printf("active-lo");
 305                 break;
 306         default:
 307                 printf("0x%x", flags & ACPI_MADT_POLARITY_MASK);
 308                 break;
 309         }
 310         printf(", Trigger=");
 311         switch (flags & ACPI_MADT_TRIGGER_MASK) {
 312         case ACPI_MADT_TRIGGER_CONFORMS:
 313                 printf("conforming");
 314                 break;
 315         case ACPI_MADT_TRIGGER_EDGE:
 316                 printf("edge");
 317                 break;
 318         case ACPI_MADT_TRIGGER_LEVEL:
 319                 printf("level");
 320                 break;
 321         default:
 322                 printf("0x%x", (flags & ACPI_MADT_TRIGGER_MASK) >> 2);
 323         }
 324         printf("}\n");
 325 }
 326
 327 static void
 328 acpi_print_intr(uint32_t intr, uint16_t mps_flags)
 329 {
 330
 331         printf("\tINTR=%d\n", intr);
 332         acpi_print_mps_flags(mps_flags);
 333 }
 334
 335 static void
 336 acpi_print_local_nmi(u_int lint, uint16_t mps_flags)
 337 {
 338
 339         printf("\tLINT Pin=%d\n", lint);
 340         acpi_print_mps_flags(mps_flags);
 341 }
 342
 343 const 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" };
 347 const char *platform_int_types[] = { "0 (unknown)", "PMI", "INIT",
 348                                      "Corrected Platform Error" };
 349
 350 static void
 351 acpi_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
 438 static void
 439 acpi_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
 455 static void
 456 acpi_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
 481 static void
 482 acpi_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
 499 static void
 500 acpi_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
 522 static void
 523 acpi_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
 549 static void
 550 acpi_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
 564 static char *
 565 acpi_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
 631 static void
 632 acpi_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
 648 static void
 649 acpi_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
 723 static void
 724 acpi_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
 742 const char *srat_types[] = { "CPU", "Memory", "X2APIC" };
 743
 744 static void
 745 acpi_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
 774 static void
 775 acpi_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
 787 static void
 788 acpi_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
 804 static void
 805 acpi_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
 838 static const char *acpi_pm_profiles[] = {
 839         "Unspecified", "Desktop", "Mobile", "Workstation",
 840         "Enterprise Server", "SOHO Server", "Appliance PC"
 841 };
 842
 843 static void
 844 acpi_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
 992 static void
 993 acpi_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
1023 static void
1024 acpi_print_dsdt(ACPI_TABLE_HEADER *dsdp)
1025 {
1026         printf(BEGIN_COMMENT);
1027         acpi_print_sdt(dsdp);
1028         printf(END_COMMENT);
1029 }
1030
1031 int
1032 acpi_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
1045 static ACPI_TABLE_HEADER *
1046 acpi_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
1055 static void
1056 acpi_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
1074 static void
1075 acpi_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
1129 ACPI_TABLE_HEADER *
1130 sdt_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). */
1158 static int
1159 write_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
1198 void
1199 dsdt_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
1215 void
1216 aml_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
1271 void
1272 sdt_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. */
1278 ACPI_TABLE_HEADER *
1279 sdt_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
1317 ACPI_TABLE_HEADER *
1318 dsdt_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 }