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                 if (gas->BitWidth <= 32)
 172                         printf("0x%08x:%u[%u] (Memory)",
 173                             (u_int)gas->Address, gas->BitOffset,
 174                             gas->BitWidth);
 175                 else
 176                         printf("0x%016jx:%u[%u] (Memory)",
 177                             (uintmax_t)gas->Address, gas->BitOffset,
 178                             gas->BitWidth);
 179                 break;
 180         case ACPI_GAS_IO:
 181                 printf("0x%02x:%u[%u] (IO)", (u_int)gas->Address,
 182                     gas->BitOffset, gas->BitWidth);
 183                 break;
 184         case ACPI_GAS_PCI:
 185                 printf("%x:%x+0x%x (PCI)", (uint16_t)(gas->Address >> 32),
 186                        (uint16_t)((gas->Address >> 16) & 0xffff),
 187                        (uint16_t)gas->Address);
 188                 break;
 189         /* XXX How to handle these below? */
 190         case ACPI_GAS_EMBEDDED:
 191                 printf("0x%x:%u[%u] (EC)", (uint16_t)gas->Address,
 192                        gas->BitOffset, gas->BitWidth);
 193                 break;
 194         case ACPI_GAS_SMBUS:
 195                 printf("0x%x:%u[%u] (SMBus)", (uint16_t)gas->Address,
 196                        gas->BitOffset, gas->BitWidth);
 197                 break;
 198         case ACPI_GAS_CMOS:
 199         case ACPI_GAS_PCIBAR:
 200         case ACPI_GAS_DATATABLE:
 201         case ACPI_GAS_FIXED:
 202         default:
 203                 printf("0x%016jx (?)", (uintmax_t)gas->Address);
 204                 break;
 205         }
 206 }
 207
 208 /* The FADT revision indicates whether we use the DSDT or X_DSDT addresses. */
 209 static int
 210 acpi_get_fadt_revision(ACPI_TABLE_FADT *fadt)
 211 {
 212         int fadt_revision;
 213
 214         /* Set the FADT revision separately from the RSDP version. */
 215         if (addr_size == 8) {
 216                 fadt_revision = 2;
 217
 218                 /*
 219                  * A few systems (e.g., IBM T23) have an RSDP that claims
 220                  * revision 2 but the 64 bit addresses are invalid.  If
 221                  * revision 2 and the 32 bit address is non-zero but the
 222                  * 32 and 64 bit versions don't match, prefer the 32 bit
 223                  * version for all subsequent tables.
 224                  */
 225                 if (fadt->Facs != 0 &&
 226                     (fadt->XFacs & 0xffffffff) != fadt->Facs)
 227                         fadt_revision = 1;
 228         } else
 229                 fadt_revision = 1;
 230         return (fadt_revision);
 231 }
 232
 233 static void
 234 acpi_handle_fadt(ACPI_TABLE_HEADER *sdp)
 235 {
 236         ACPI_TABLE_HEADER *dsdp;
 237         ACPI_TABLE_FACS *facs;
 238         ACPI_TABLE_FADT *fadt;
 239         int             fadt_revision;
 240
 241         fadt = (ACPI_TABLE_FADT *)sdp;
 242         acpi_print_fadt(sdp);
 243
 244         fadt_revision = acpi_get_fadt_revision(fadt);
 245         if (fadt_revision == 1)
 246                 facs = (ACPI_TABLE_FACS *)acpi_map_sdt(fadt->Facs);
 247         else
 248                 facs = (ACPI_TABLE_FACS *)acpi_map_sdt(fadt->XFacs);
 249         if (memcmp(facs->Signature, ACPI_SIG_FACS, 4) != 0 || facs->Length < 64)
 250                 errx(1, "FACS is corrupt");
 251         acpi_print_facs(facs);
 252
 253         if (fadt_revision == 1)
 254                 dsdp = (ACPI_TABLE_HEADER *)acpi_map_sdt(fadt->Dsdt);
 255         else
 256                 dsdp = (ACPI_TABLE_HEADER *)acpi_map_sdt(fadt->XDsdt);
 257         if (acpi_checksum(dsdp, dsdp->Length))
 258                 errx(1, "DSDT is corrupt");
 259         acpi_print_dsdt(dsdp);
 260 }
 261
 262 static void
 263 acpi_walk_subtables(ACPI_TABLE_HEADER *table, void *first,
 264     void (*action)(ACPI_SUBTABLE_HEADER *))
 265 {
 266         ACPI_SUBTABLE_HEADER *subtable;
 267         char *end;
 268
 269         subtable = first;
 270         end = (char *)table + table->Length;
 271         while ((char *)subtable < end) {
 272                 printf("\n");
 273                 action(subtable);
 274                 subtable = (ACPI_SUBTABLE_HEADER *)((char *)subtable +
 275                     subtable->Length);
 276         }
 277 }
 278
 279 static void
 280 acpi_print_cpu(u_char cpu_id)
 281 {
 282
 283         printf("\tACPI CPU=");
 284         if (cpu_id == 0xff)
 285                 printf("ALL\n");
 286         else
 287                 printf("%d\n", (u_int)cpu_id);
 288 }
 289
 290 static void
 291 acpi_print_cpu_uid(uint32_t uid, char *uid_string)
 292 {
 293
 294         printf("\tUID=%d", uid);
 295         if (uid_string != NULL)
 296                 printf(" (%s)", uid_string);
 297         printf("\n");
 298 }
 299
 300 static void
 301 acpi_print_local_apic(uint32_t apic_id, uint32_t flags)
 302 {
 303
 304         printf("\tFlags={");
 305         if (flags & ACPI_MADT_ENABLED)
 306                 printf("ENABLED");
 307         else
 308                 printf("DISABLED");
 309         printf("}\n");
 310         printf("\tAPIC ID=%d\n", apic_id);
 311 }
 312
 313 static void
 314 acpi_print_io_apic(uint32_t apic_id, uint32_t int_base, uint64_t apic_addr)
 315 {
 316
 317         printf("\tAPIC ID=%d\n", apic_id);
 318         printf("\tINT BASE=%d\n", int_base);
 319         printf("\tADDR=0x%016jx\n", (uintmax_t)apic_addr);
 320 }
 321
 322 static void
 323 acpi_print_mps_flags(uint16_t flags)
 324 {
 325
 326         printf("\tFlags={Polarity=");
 327         switch (flags & ACPI_MADT_POLARITY_MASK) {
 328         case ACPI_MADT_POLARITY_CONFORMS:
 329                 printf("conforming");
 330                 break;
 331         case ACPI_MADT_POLARITY_ACTIVE_HIGH:
 332                 printf("active-hi");
 333                 break;
 334         case ACPI_MADT_POLARITY_ACTIVE_LOW:
 335                 printf("active-lo");
 336                 break;
 337         default:
 338                 printf("0x%x", flags & ACPI_MADT_POLARITY_MASK);
 339                 break;
 340         }
 341         printf(", Trigger=");
 342         switch (flags & ACPI_MADT_TRIGGER_MASK) {
 343         case ACPI_MADT_TRIGGER_CONFORMS:
 344                 printf("conforming");
 345                 break;
 346         case ACPI_MADT_TRIGGER_EDGE:
 347                 printf("edge");
 348                 break;
 349         case ACPI_MADT_TRIGGER_LEVEL:
 350                 printf("level");
 351                 break;
 352         default:
 353                 printf("0x%x", (flags & ACPI_MADT_TRIGGER_MASK) >> 2);
 354         }
 355         printf("}\n");
 356 }
 357
 358 static void
 359 acpi_print_intr(uint32_t intr, uint16_t mps_flags)
 360 {
 361
 362         printf("\tINTR=%d\n", intr);
 363         acpi_print_mps_flags(mps_flags);
 364 }
 365
 366 static void
 367 acpi_print_local_nmi(u_int lint, uint16_t mps_flags)
 368 {
 369
 370         printf("\tLINT Pin=%d\n", lint);
 371         acpi_print_mps_flags(mps_flags);
 372 }
 373
 374 static const char *apic_types[] = { "Local APIC", "IO APIC", "INT Override",
 375                                     "NMI", "Local APIC NMI",
 376                                     "Local APIC Override", "IO SAPIC",
 377                                     "Local SAPIC", "Platform Interrupt",
 378                                     "Local X2APIC", "Local X2APIC NMI" };
 379 static const char *platform_int_types[] = { "0 (unknown)", "PMI", "INIT",
 380                                             "Corrected Platform Error" };
 381
 382 static void
 383 acpi_print_madt(ACPI_SUBTABLE_HEADER *mp)
 384 {
 385         ACPI_MADT_LOCAL_APIC *lapic;
 386         ACPI_MADT_IO_APIC *ioapic;
 387         ACPI_MADT_INTERRUPT_OVERRIDE *over;
 388         ACPI_MADT_NMI_SOURCE *nmi;
 389         ACPI_MADT_LOCAL_APIC_NMI *lapic_nmi;
 390         ACPI_MADT_LOCAL_APIC_OVERRIDE *lapic_over;
 391         ACPI_MADT_IO_SAPIC *iosapic;
 392         ACPI_MADT_LOCAL_SAPIC *lsapic;
 393         ACPI_MADT_INTERRUPT_SOURCE *isrc;
 394         ACPI_MADT_LOCAL_X2APIC *x2apic;
 395         ACPI_MADT_LOCAL_X2APIC_NMI *x2apic_nmi;
 396
 397         if (mp->Type < sizeof(apic_types) / sizeof(apic_types[0]))
 398                 printf("\tType=%s\n", apic_types[mp->Type]);
 399         else
 400                 printf("\tType=%d (unknown)\n", mp->Type);
 401         switch (mp->Type) {
 402         case ACPI_MADT_TYPE_LOCAL_APIC:
 403                 lapic = (ACPI_MADT_LOCAL_APIC *)mp;
 404                 acpi_print_cpu(lapic->ProcessorId);
 405                 acpi_print_local_apic(lapic->Id, lapic->LapicFlags);
 406                 break;
 407         case ACPI_MADT_TYPE_IO_APIC:
 408                 ioapic = (ACPI_MADT_IO_APIC *)mp;
 409                 acpi_print_io_apic(ioapic->Id, ioapic->GlobalIrqBase,
 410                     ioapic->Address);
 411                 break;
 412         case ACPI_MADT_TYPE_INTERRUPT_OVERRIDE:
 413                 over = (ACPI_MADT_INTERRUPT_OVERRIDE *)mp;
 414                 printf("\tBUS=%d\n", (u_int)over->Bus);
 415                 printf("\tIRQ=%d\n", (u_int)over->SourceIrq);
 416                 acpi_print_intr(over->GlobalIrq, over->IntiFlags);
 417                 break;
 418         case ACPI_MADT_TYPE_NMI_SOURCE:
 419                 nmi = (ACPI_MADT_NMI_SOURCE *)mp;
 420                 acpi_print_intr(nmi->GlobalIrq, nmi->IntiFlags);
 421                 break;
 422         case ACPI_MADT_TYPE_LOCAL_APIC_NMI:
 423                 lapic_nmi = (ACPI_MADT_LOCAL_APIC_NMI *)mp;
 424                 acpi_print_cpu(lapic_nmi->ProcessorId);
 425                 acpi_print_local_nmi(lapic_nmi->Lint, lapic_nmi->IntiFlags);
 426                 break;
 427         case ACPI_MADT_TYPE_LOCAL_APIC_OVERRIDE:
 428                 lapic_over = (ACPI_MADT_LOCAL_APIC_OVERRIDE *)mp;
 429                 printf("\tLocal APIC ADDR=0x%016jx\n",
 430                     (uintmax_t)lapic_over->Address);
 431                 break;
 432         case ACPI_MADT_TYPE_IO_SAPIC:
 433                 iosapic = (ACPI_MADT_IO_SAPIC *)mp;
 434                 acpi_print_io_apic(iosapic->Id, iosapic->GlobalIrqBase,
 435                     iosapic->Address);
 436                 break;
 437         case ACPI_MADT_TYPE_LOCAL_SAPIC:
 438                 lsapic = (ACPI_MADT_LOCAL_SAPIC *)mp;
 439                 acpi_print_cpu(lsapic->ProcessorId);
 440                 acpi_print_local_apic(lsapic->Id, lsapic->LapicFlags);
 441                 printf("\tAPIC EID=%d\n", (u_int)lsapic->Eid);
 442                 if (mp->Length > __offsetof(ACPI_MADT_LOCAL_SAPIC, Uid))
 443                         acpi_print_cpu_uid(lsapic->Uid, lsapic->UidString);
 444                 break;
 445         case ACPI_MADT_TYPE_INTERRUPT_SOURCE:
 446                 isrc = (ACPI_MADT_INTERRUPT_SOURCE *)mp;
 447                 if (isrc->Type < sizeof(platform_int_types) /
 448                     sizeof(platform_int_types[0]))
 449                         printf("\tType=%s\n", platform_int_types[isrc->Type]);
 450                 else
 451                         printf("\tType=%d (unknown)\n", isrc->Type);
 452                 printf("\tAPIC ID=%d\n", (u_int)isrc->Id);
 453                 printf("\tAPIC EID=%d\n", (u_int)isrc->Eid);
 454                 printf("\tSAPIC Vector=%d\n", (u_int)isrc->IoSapicVector);
 455                 acpi_print_intr(isrc->GlobalIrq, isrc->IntiFlags);
 456                 break;
 457         case ACPI_MADT_TYPE_LOCAL_X2APIC:
 458                 x2apic = (ACPI_MADT_LOCAL_X2APIC *)mp;
 459                 acpi_print_cpu_uid(x2apic->Uid, NULL);
 460                 acpi_print_local_apic(x2apic->LocalApicId, x2apic->LapicFlags);
 461                 break;
 462         case ACPI_MADT_TYPE_LOCAL_X2APIC_NMI:
 463                 x2apic_nmi = (ACPI_MADT_LOCAL_X2APIC_NMI *)mp;
 464                 acpi_print_cpu_uid(x2apic_nmi->Uid, NULL);
 465                 acpi_print_local_nmi(x2apic_nmi->Lint, x2apic_nmi->IntiFlags);
 466                 break;
 467         }
 468 }
 469
 470 static void
 471 acpi_handle_madt(ACPI_TABLE_HEADER *sdp)
 472 {
 473         ACPI_TABLE_MADT *madt;
 474
 475         printf(BEGIN_COMMENT);
 476         acpi_print_sdt(sdp);
 477         madt = (ACPI_TABLE_MADT *)sdp;
 478         printf("\tLocal APIC ADDR=0x%08x\n", madt->Address);
 479         printf("\tFlags={");
 480         if (madt->Flags & ACPI_MADT_PCAT_COMPAT)
 481                 printf("PC-AT");
 482         printf("}\n");
 483         acpi_walk_subtables(sdp, (madt + 1), acpi_print_madt);
 484         printf(END_COMMENT);
 485 }
 486
 487 static void
 488 acpi_handle_hpet(ACPI_TABLE_HEADER *sdp)
 489 {
 490         ACPI_TABLE_HPET *hpet;
 491
 492         printf(BEGIN_COMMENT);
 493         acpi_print_sdt(sdp);
 494         hpet = (ACPI_TABLE_HPET *)sdp;
 495         printf("\tHPET Number=%d\n", hpet->Sequence);
 496         printf("\tADDR=");
 497         acpi_print_gas(&hpet->Address);
 498         printf("\tHW Rev=0x%x\n", hpet->Id & ACPI_HPET_ID_HARDWARE_REV_ID);
 499         printf("\tComparators=%d\n", (hpet->Id & ACPI_HPET_ID_COMPARATORS) >>
 500             8);
 501         printf("\tCounter Size=%d\n", hpet->Id & ACPI_HPET_ID_COUNT_SIZE_CAP ?
 502             1 : 0);
 503         printf("\tLegacy IRQ routing capable={");
 504         if (hpet->Id & ACPI_HPET_ID_LEGACY_CAPABLE)
 505                 printf("TRUE}\n");
 506         else
 507                 printf("FALSE}\n");
 508         printf("\tPCI Vendor ID=0x%04x\n", hpet->Id >> 16);
 509         printf("\tMinimal Tick=%d\n", hpet->MinimumTick);
 510         printf("\tFlags=0x%02x\n", hpet->Flags);
 511         printf(END_COMMENT);
 512 }
 513
 514 static void
 515 acpi_handle_ecdt(ACPI_TABLE_HEADER *sdp)
 516 {
 517         ACPI_TABLE_ECDT *ecdt;
 518
 519         printf(BEGIN_COMMENT);
 520         acpi_print_sdt(sdp);
 521         ecdt = (ACPI_TABLE_ECDT *)sdp;
 522         printf("\tEC_CONTROL=");
 523         acpi_print_gas(&ecdt->Control);
 524         printf("\n\tEC_DATA=");
 525         acpi_print_gas(&ecdt->Data);
 526         printf("\n\tUID=%#x, ", ecdt->Uid);
 527         printf("GPE_BIT=%#x\n", ecdt->Gpe);
 528         printf("\tEC_ID=%s\n", ecdt->Id);
 529         printf(END_COMMENT);
 530 }
 531
 532 static void
 533 acpi_handle_mcfg(ACPI_TABLE_HEADER *sdp)
 534 {
 535         ACPI_TABLE_MCFG *mcfg;
 536         ACPI_MCFG_ALLOCATION *alloc;
 537         u_int i, entries;
 538
 539         printf(BEGIN_COMMENT);
 540         acpi_print_sdt(sdp);
 541         mcfg = (ACPI_TABLE_MCFG *)sdp;
 542         entries = (sdp->Length - sizeof(ACPI_TABLE_MCFG)) /
 543             sizeof(ACPI_MCFG_ALLOCATION);
 544         alloc = (ACPI_MCFG_ALLOCATION *)(mcfg + 1);
 545         for (i = 0; i < entries; i++, alloc++) {
 546                 printf("\n");
 547                 printf("\tBase Address=0x%016jx\n", (uintmax_t)alloc->Address);
 548                 printf("\tSegment Group=0x%04x\n", alloc->PciSegment);
 549                 printf("\tStart Bus=%d\n", alloc->StartBusNumber);
 550                 printf("\tEnd Bus=%d\n", alloc->EndBusNumber);
 551         }
 552         printf(END_COMMENT);
 553 }
 554
 555 static void
 556 acpi_handle_slit(ACPI_TABLE_HEADER *sdp)
 557 {
 558         ACPI_TABLE_SLIT *slit;
 559         UINT64 i, j;
 560
 561         printf(BEGIN_COMMENT);
 562         acpi_print_sdt(sdp);
 563         slit = (ACPI_TABLE_SLIT *)sdp;
 564         printf("\tLocality Count=%ju\n", (uintmax_t)slit->LocalityCount);
 565         printf("\n\t      ");
 566         for (i = 0; i < slit->LocalityCount; i++)
 567                 printf(" %3ju", (uintmax_t)i);
 568         printf("\n\t     +");
 569         for (i = 0; i < slit->LocalityCount; i++)
 570                 printf("----");
 571         printf("\n");
 572         for (i = 0; i < slit->LocalityCount; i++) {
 573                 printf("\t %3ju |", (uintmax_t)i);
 574                 for (j = 0; j < slit->LocalityCount; j++)
 575                         printf(" %3d",
 576                             slit->Entry[i * slit->LocalityCount + j]);
 577                 printf("\n");
 578         }
 579         printf(END_COMMENT);
 580 }
 581
 582 static void
 583 acpi_print_srat_cpu(uint32_t apic_id, uint32_t proximity_domain,
 584     uint32_t flags)
 585 {
 586
 587         printf("\tFlags={");
 588         if (flags & ACPI_SRAT_CPU_ENABLED)
 589                 printf("ENABLED");
 590         else
 591                 printf("DISABLED");
 592         printf("}\n");
 593         printf("\tAPIC ID=%d\n", apic_id);
 594         printf("\tProximity Domain=%d\n", proximity_domain);
 595 }
 596
 597 static char *
 598 acpi_tcpa_evname(struct TCPAevent *event)
 599 {
 600         struct TCPApc_event *pc_event;
 601         char *eventname = NULL;
 602
 603         pc_event = (struct TCPApc_event *)(event + 1);
 604
 605         switch(event->event_type) {
 606         case PREBOOT:
 607         case POST_CODE:
 608         case UNUSED:
 609         case NO_ACTION:
 610         case SEPARATOR:
 611         case SCRTM_CONTENTS:
 612         case SCRTM_VERSION:
 613         case CPU_MICROCODE:
 614         case PLATFORM_CONFIG_FLAGS:
 615         case TABLE_OF_DEVICES:
 616         case COMPACT_HASH:
 617         case IPL:
 618         case IPL_PARTITION_DATA:
 619         case NONHOST_CODE:
 620         case NONHOST_CONFIG:
 621         case NONHOST_INFO:
 622                 asprintf(&eventname, "%s",
 623                     tcpa_event_type_strings[event->event_type]);
 624                 break;
 625
 626         case ACTION:
 627                 eventname = calloc(event->event_size + 1, sizeof(char));
 628                 memcpy(eventname, pc_event, event->event_size);
 629                 break;
 630
 631         case EVENT_TAG:
 632                 switch (pc_event->event_id) {
 633                 case SMBIOS:
 634                 case BIS_CERT:
 635                 case CMOS:
 636                 case NVRAM:
 637                 case OPTION_ROM_EXEC:
 638                 case OPTION_ROM_CONFIG:
 639                 case S_CRTM_VERSION:
 640                 case POST_BIOS_ROM:
 641                 case ESCD:
 642                 case OPTION_ROM_MICROCODE:
 643                 case S_CRTM_CONTENTS:
 644                 case POST_CONTENTS:
 645                         asprintf(&eventname, "%s",
 646                             TCPA_pcclient_strings[pc_event->event_id]);
 647                         break;
 648
 649                 default:
 650                         asprintf(&eventname, "<unknown tag 0x%02x>",
 651                             pc_event->event_id);
 652                         break;
 653                 }
 654                 break;
 655
 656         default:
 657                 asprintf(&eventname, "<unknown 0x%02x>", event->event_type);
 658                 break;
 659         }
 660
 661         return eventname;
 662 }
 663
 664 static void
 665 acpi_print_tcpa(struct TCPAevent *event)
 666 {
 667         int i;
 668         char *eventname;
 669
 670         eventname = acpi_tcpa_evname(event);
 671
 672         printf("\t%d", event->pcr_index);
 673         printf(" 0x");
 674         for (i = 0; i < 20; i++)
 675                 printf("%02x", event->pcr_value[i]);
 676         printf(" [%s]\n", eventname ? eventname : "<unknown>");
 677
 678         free(eventname);
 679 }
 680
 681 static void
 682 acpi_handle_tcpa(ACPI_TABLE_HEADER *sdp)
 683 {
 684         struct TCPAbody *tcpa;
 685         struct TCPAevent *event;
 686         uintmax_t len, paddr;
 687         unsigned char *vaddr = NULL;
 688         unsigned char *vend = NULL;
 689
 690         printf(BEGIN_COMMENT);
 691         acpi_print_sdt(sdp);
 692         tcpa = (struct TCPAbody *) sdp;
 693
 694         switch (tcpa->platform_class) {
 695         case ACPI_TCPA_BIOS_CLIENT:
 696                 len = tcpa->client.log_max_len;
 697                 paddr = tcpa->client.log_start_addr;
 698                 break;
 699
 700         case ACPI_TCPA_BIOS_SERVER:
 701                 len = tcpa->server.log_max_len;
 702                 paddr = tcpa->server.log_start_addr;
 703                 break;
 704
 705         default:
 706                 printf("XXX");
 707                 printf(END_COMMENT);
 708                 return;
 709         }
 710         printf("\tClass %u Base Address 0x%jx Length %ju\n\n",
 711             tcpa->platform_class, paddr, len);
 712
 713         if (len == 0) {
 714                 printf("\tEmpty TCPA table\n");
 715                 printf(END_COMMENT);
 716                 return;
 717         }
 718         if(sdp->Revision == 1){
 719                 printf("\tOLD TCPA spec log found. Dumping not supported.\n");
 720                 printf(END_COMMENT);
 721                 return;
 722         }
 723
 724         vaddr = (unsigned char *)acpi_map_physical(paddr, len);
 725         vend = vaddr + len;
 726
 727         while (vaddr != NULL) {
 728                 if ((vaddr + sizeof(struct TCPAevent) >= vend)||
 729                     (vaddr + sizeof(struct TCPAevent) < vaddr))
 730                         break;
 731                 event = (struct TCPAevent *)(void *)vaddr;
 732                 if (vaddr + event->event_size >= vend)
 733                         break;
 734                 if (vaddr + event->event_size < vaddr)
 735                         break;
 736                 if (event->event_type == 0 && event->event_size == 0)
 737                         break;
 738 #if 0
 739                 {
 740                 unsigned int i, j, k;
 741
 742                 printf("\n\tsize %d\n\t\t%p ", event->event_size, vaddr);
 743                 for (j = 0, i = 0; i <
 744                     sizeof(struct TCPAevent) + event->event_size; i++) {
 745                         printf("%02x ", vaddr[i]);
 746                         if ((i+1) % 8 == 0) {
 747                                 for (k = 0; k < 8; k++)
 748                                         printf("%c", isprint(vaddr[j+k]) ?
 749                                             vaddr[j+k] : '.');
 750                                 printf("\n\t\t%p ", &vaddr[i + 1]);
 751                                 j = i + 1;
 752                         }
 753                 }
 754                 printf("\n"); }
 755 #endif
 756                 acpi_print_tcpa(event);
 757
 758                 vaddr += sizeof(struct TCPAevent) + event->event_size;
 759         }
 760
 761         printf(END_COMMENT);
 762 }
 763
 764 static const char *
 765 devscope_type2str(int type)
 766 {
 767         static char typebuf[16];
 768
 769         switch (type) {
 770         case 1:
 771                 return ("PCI Endpoint Device");
 772         case 2:
 773                 return ("PCI Sub-Hierarchy");
 774         case 3:
 775                 return ("IOAPIC");
 776         case 4:
 777                 return ("HPET");
 778         default:
 779                 snprintf(typebuf, sizeof(typebuf), "%d", type);
 780                 return (typebuf);
 781         }
 782 }
 783
 784 static int
 785 acpi_handle_dmar_devscope(void *addr, int remaining)
 786 {
 787         char sep;
 788         int pathlen;
 789         ACPI_DMAR_PCI_PATH *path, *pathend;
 790         ACPI_DMAR_DEVICE_SCOPE *devscope = addr;
 791
 792         if (remaining < (int)sizeof(ACPI_DMAR_DEVICE_SCOPE))
 793                 return (-1);
 794
 795         if (remaining < devscope->Length)
 796                 return (-1);
 797
 798         printf("\n");
 799         printf("\t\tType=%s\n", devscope_type2str(devscope->EntryType));
 800         printf("\t\tLength=%d\n", devscope->Length);
 801         printf("\t\tEnumerationId=%d\n", devscope->EnumerationId);
 802         printf("\t\tStartBusNumber=%d\n", devscope->Bus);
 803
 804         path = (ACPI_DMAR_PCI_PATH *)(devscope + 1);
 805         pathlen = devscope->Length - sizeof(ACPI_DMAR_DEVICE_SCOPE);
 806         pathend = path + pathlen / sizeof(ACPI_DMAR_PCI_PATH);
 807         if (path < pathend) {
 808                 sep = '{';
 809                 printf("\t\tPath=");
 810                 do {
 811                         printf("%c%d:%d", sep, path->Device, path->Function);
 812                         sep=',';
 813                         path++;
 814                 } while (path < pathend);
 815                 printf("}\n");
 816         }
 817
 818         return (devscope->Length);
 819 }
 820
 821 static void
 822 acpi_handle_dmar_drhd(ACPI_DMAR_HARDWARE_UNIT *drhd)
 823 {
 824         char *cp;
 825         int remaining, consumed;
 826
 827         printf("\n");
 828         printf("\tType=DRHD\n");
 829         printf("\tLength=%d\n", drhd->Header.Length);
 830
 831 #define PRINTFLAG(var, flag)    printflag((var), ACPI_DMAR_## flag, #flag)
 832
 833         printf("\tFlags=");
 834         PRINTFLAG(drhd->Flags, INCLUDE_ALL);
 835         PRINTFLAG_END();
 836
 837 #undef PRINTFLAG
 838
 839         printf("\tSegment=%d\n", drhd->Segment);
 840         printf("\tAddress=0x%016jx\n", (uintmax_t)drhd->Address);
 841
 842         remaining = drhd->Header.Length - sizeof(ACPI_DMAR_HARDWARE_UNIT);
 843         if (remaining > 0)
 844                 printf("\tDevice Scope:");
 845         while (remaining > 0) {
 846                 cp = (char *)drhd + drhd->Header.Length - remaining;
 847                 consumed = acpi_handle_dmar_devscope(cp, remaining);
 848                 if (consumed <= 0)
 849                         break;
 850                 else
 851                         remaining -= consumed;
 852         }
 853 }
 854
 855 static void
 856 acpi_handle_dmar_rmrr(ACPI_DMAR_RESERVED_MEMORY *rmrr)
 857 {
 858         char *cp;
 859         int remaining, consumed;
 860
 861         printf("\n");
 862         printf("\tType=RMRR\n");
 863         printf("\tLength=%d\n", rmrr->Header.Length);
 864         printf("\tSegment=%d\n", rmrr->Segment);
 865         printf("\tBaseAddress=0x%016jx\n", (uintmax_t)rmrr->BaseAddress);
 866         printf("\tLimitAddress=0x%016jx\n", (uintmax_t)rmrr->EndAddress);
 867
 868         remaining = rmrr->Header.Length - sizeof(ACPI_DMAR_RESERVED_MEMORY);
 869         if (remaining > 0)
 870                 printf("\tDevice Scope:");
 871         while (remaining > 0) {
 872                 cp = (char *)rmrr + rmrr->Header.Length - remaining;
 873                 consumed = acpi_handle_dmar_devscope(cp, remaining);
 874                 if (consumed <= 0)
 875                         break;
 876                 else
 877                         remaining -= consumed;
 878         }
 879 }
 880
 881 static void
 882 acpi_handle_dmar_atsr(ACPI_DMAR_ATSR *atsr)
 883 {
 884         char *cp;
 885         int remaining, consumed;
 886
 887         printf("\n");
 888         printf("\tType=ATSR\n");
 889         printf("\tLength=%d\n", atsr->Header.Length);
 890
 891 #define PRINTFLAG(var, flag)    printflag((var), ACPI_DMAR_## flag, #flag)
 892
 893         printf("\tFlags=");
 894         PRINTFLAG(atsr->Flags, ALL_PORTS);
 895         PRINTFLAG_END();
 896
 897 #undef PRINTFLAG
 898
 899         printf("\tSegment=%d\n", atsr->Segment);
 900
 901         remaining = atsr->Header.Length - sizeof(ACPI_DMAR_ATSR);
 902         if (remaining > 0)
 903                 printf("\tDevice Scope:");
 904         while (remaining > 0) {
 905                 cp = (char *)atsr + atsr->Header.Length - remaining;
 906                 consumed = acpi_handle_dmar_devscope(cp, remaining);
 907                 if (consumed <= 0)
 908                         break;
 909                 else
 910                         remaining -= consumed;
 911         }
 912 }
 913
 914 static void
 915 acpi_handle_dmar_rhsa(ACPI_DMAR_RHSA *rhsa)
 916 {
 917
 918         printf("\n");
 919         printf("\tType=RHSA\n");
 920         printf("\tLength=%d\n", rhsa->Header.Length);
 921         printf("\tBaseAddress=0x%016jx\n", (uintmax_t)rhsa->BaseAddress);
 922         printf("\tProximityDomain=0x%08x\n", rhsa->ProximityDomain);
 923 }
 924
 925 static int
 926 acpi_handle_dmar_remapping_structure(void *addr, int remaining)
 927 {
 928         ACPI_DMAR_HEADER *hdr = addr;
 929
 930         if (remaining < (int)sizeof(ACPI_DMAR_HEADER))
 931                 return (-1);
 932
 933         if (remaining < hdr->Length)
 934                 return (-1);
 935
 936         switch (hdr->Type) {
 937         case ACPI_DMAR_TYPE_HARDWARE_UNIT:
 938                 acpi_handle_dmar_drhd(addr);
 939                 break;
 940         case ACPI_DMAR_TYPE_RESERVED_MEMORY:
 941                 acpi_handle_dmar_rmrr(addr);
 942                 break;
 943         case ACPI_DMAR_TYPE_ROOT_ATS:
 944                 acpi_handle_dmar_atsr(addr);
 945                 break;
 946         case ACPI_DMAR_TYPE_HARDWARE_AFFINITY:
 947                 acpi_handle_dmar_rhsa(addr);
 948                 break;
 949         default:
 950                 printf("\n");
 951                 printf("\tType=%d\n", hdr->Type);
 952                 printf("\tLength=%d\n", hdr->Length);
 953                 break;
 954         }
 955         return (hdr->Length);
 956 }
 957
 958 #ifndef ACPI_DMAR_X2APIC_OPT_OUT
 959 #define ACPI_DMAR_X2APIC_OPT_OUT        (0x2)
 960 #endif
 961
 962 static void
 963 acpi_handle_dmar(ACPI_TABLE_HEADER *sdp)
 964 {
 965         char *cp;
 966         int remaining, consumed;
 967         ACPI_TABLE_DMAR *dmar;
 968
 969         printf(BEGIN_COMMENT);
 970         acpi_print_sdt(sdp);
 971         dmar = (ACPI_TABLE_DMAR *)sdp;
 972         printf("\tHost Address Width=%d\n", dmar->Width + 1);
 973
 974 #define PRINTFLAG(var, flag)    printflag((var), ACPI_DMAR_## flag, #flag)
 975
 976         printf("\tFlags=");
 977         PRINTFLAG(dmar->Flags, INTR_REMAP);
 978         PRINTFLAG(dmar->Flags, X2APIC_OPT_OUT);
 979         PRINTFLAG_END();
 980
 981 #undef PRINTFLAG
 982
 983         remaining = sdp->Length - sizeof(ACPI_TABLE_DMAR);
 984         while (remaining > 0) {
 985                 cp = (char *)sdp + sdp->Length - remaining;
 986                 consumed = acpi_handle_dmar_remapping_structure(cp, remaining);
 987                 if (consumed <= 0)
 988                         break;
 989                 else
 990                         remaining -= consumed;
 991         }
 992
 993         printf(END_COMMENT);
 994 }
 995
 996 static void
 997 acpi_print_srat_memory(ACPI_SRAT_MEM_AFFINITY *mp)
 998 {
 999
1000         printf("\tFlags={");
1001         if (mp->Flags & ACPI_SRAT_MEM_ENABLED)
1002                 printf("ENABLED");
1003         else
1004                 printf("DISABLED");
1005         if (mp->Flags & ACPI_SRAT_MEM_HOT_PLUGGABLE)
1006                 printf(",HOT_PLUGGABLE");
1007         if (mp->Flags & ACPI_SRAT_MEM_NON_VOLATILE)
1008                 printf(",NON_VOLATILE");
1009         printf("}\n");
1010         printf("\tBase Address=0x%016jx\n", (uintmax_t)mp->BaseAddress);
1011         printf("\tLength=0x%016jx\n", (uintmax_t)mp->Length);
1012         printf("\tProximity Domain=%d\n", mp->ProximityDomain);
1013 }
1014
1015 static const char *srat_types[] = { "CPU", "Memory", "X2APIC" };
1016
1017 static void
1018 acpi_print_srat(ACPI_SUBTABLE_HEADER *srat)
1019 {
1020         ACPI_SRAT_CPU_AFFINITY *cpu;
1021         ACPI_SRAT_X2APIC_CPU_AFFINITY *x2apic;
1022
1023         if (srat->Type < sizeof(srat_types) / sizeof(srat_types[0]))
1024                 printf("\tType=%s\n", srat_types[srat->Type]);
1025         else
1026                 printf("\tType=%d (unknown)\n", srat->Type);
1027         switch (srat->Type) {
1028         case ACPI_SRAT_TYPE_CPU_AFFINITY:
1029                 cpu = (ACPI_SRAT_CPU_AFFINITY *)srat;
1030                 acpi_print_srat_cpu(cpu->ApicId,
1031                     cpu->ProximityDomainHi[2] << 24 |
1032                     cpu->ProximityDomainHi[1] << 16 |
1033                     cpu->ProximityDomainHi[0] << 0 |
1034                     cpu->ProximityDomainLo, cpu->Flags);
1035                 break;
1036         case ACPI_SRAT_TYPE_MEMORY_AFFINITY:
1037                 acpi_print_srat_memory((ACPI_SRAT_MEM_AFFINITY *)srat);
1038                 break;
1039         case ACPI_SRAT_TYPE_X2APIC_CPU_AFFINITY:
1040                 x2apic = (ACPI_SRAT_X2APIC_CPU_AFFINITY *)srat;
1041                 acpi_print_srat_cpu(x2apic->ApicId, x2apic->ProximityDomain,
1042                     x2apic->Flags);
1043                 break;
1044         }
1045 }
1046
1047 static void
1048 acpi_handle_srat(ACPI_TABLE_HEADER *sdp)
1049 {
1050         ACPI_TABLE_SRAT *srat;
1051
1052         printf(BEGIN_COMMENT);
1053         acpi_print_sdt(sdp);
1054         srat = (ACPI_TABLE_SRAT *)sdp;
1055         printf("\tTable Revision=%d\n", srat->TableRevision);
1056         acpi_walk_subtables(sdp, (srat + 1), acpi_print_srat);
1057         printf(END_COMMENT);
1058 }
1059
1060 static void
1061 acpi_print_sdt(ACPI_TABLE_HEADER *sdp)
1062 {
1063         printf("  ");
1064         acpi_print_string(sdp->Signature, ACPI_NAME_SIZE);
1065         printf(": Length=%d, Revision=%d, Checksum=%d,\n",
1066                sdp->Length, sdp->Revision, sdp->Checksum);
1067         printf("\tOEMID=");
1068         acpi_print_string(sdp->OemId, ACPI_OEM_ID_SIZE);
1069         printf(", OEM Table ID=");
1070         acpi_print_string(sdp->OemTableId, ACPI_OEM_TABLE_ID_SIZE);
1071         printf(", OEM Revision=0x%x,\n", sdp->OemRevision);
1072         printf("\tCreator ID=");
1073         acpi_print_string(sdp->AslCompilerId, ACPI_NAME_SIZE);
1074         printf(", Creator Revision=0x%x\n", sdp->AslCompilerRevision);
1075 }
1076
1077 static void
1078 acpi_print_rsdt(ACPI_TABLE_HEADER *rsdp)
1079 {
1080         ACPI_TABLE_RSDT *rsdt;
1081         ACPI_TABLE_XSDT *xsdt;
1082         int     i, entries;
1083
1084         rsdt = (ACPI_TABLE_RSDT *)rsdp;
1085         xsdt = (ACPI_TABLE_XSDT *)rsdp;
1086         printf(BEGIN_COMMENT);
1087         acpi_print_sdt(rsdp);
1088         entries = (rsdp->Length - sizeof(ACPI_TABLE_HEADER)) / addr_size;
1089         printf("\tEntries={ ");
1090         for (i = 0; i < entries; i++) {
1091                 if (i > 0)
1092                         printf(", ");
1093                 if (addr_size == 4)
1094                         printf("0x%08x", le32toh(rsdt->TableOffsetEntry[i]));
1095                 else
1096                         printf("0x%016jx",
1097                             (uintmax_t)le64toh(xsdt->TableOffsetEntry[i]));
1098         }
1099         printf(" }\n");
1100         printf(END_COMMENT);
1101 }
1102
1103 static const char *acpi_pm_profiles[] = {
1104         "Unspecified", "Desktop", "Mobile", "Workstation",
1105         "Enterprise Server", "SOHO Server", "Appliance PC"
1106 };
1107
1108 static void
1109 acpi_print_fadt(ACPI_TABLE_HEADER *sdp)
1110 {
1111         ACPI_TABLE_FADT *fadt;
1112         const char *pm;
1113
1114         fadt = (ACPI_TABLE_FADT *)sdp;
1115         printf(BEGIN_COMMENT);
1116         acpi_print_sdt(sdp);
1117         printf(" \tFACS=0x%x, DSDT=0x%x\n", fadt->Facs,
1118                fadt->Dsdt);
1119         printf("\tINT_MODEL=%s\n", fadt->Model ? "APIC" : "PIC");
1120         if (fadt->PreferredProfile >= sizeof(acpi_pm_profiles) / sizeof(char *))
1121                 pm = "Reserved";
1122         else
1123                 pm = acpi_pm_profiles[fadt->PreferredProfile];
1124         printf("\tPreferred_PM_Profile=%s (%d)\n", pm, fadt->PreferredProfile);
1125         printf("\tSCI_INT=%d\n", fadt->SciInterrupt);
1126         printf("\tSMI_CMD=0x%x, ", fadt->SmiCommand);
1127         printf("ACPI_ENABLE=0x%x, ", fadt->AcpiEnable);
1128         printf("ACPI_DISABLE=0x%x, ", fadt->AcpiDisable);
1129         printf("S4BIOS_REQ=0x%x\n", fadt->S4BiosRequest);
1130         printf("\tPSTATE_CNT=0x%x\n", fadt->PstateControl);
1131         printf("\tPM1a_EVT_BLK=0x%x-0x%x\n",
1132                fadt->Pm1aEventBlock,
1133                fadt->Pm1aEventBlock + fadt->Pm1EventLength - 1);
1134         if (fadt->Pm1bEventBlock != 0)
1135                 printf("\tPM1b_EVT_BLK=0x%x-0x%x\n",
1136                        fadt->Pm1bEventBlock,
1137                        fadt->Pm1bEventBlock + fadt->Pm1EventLength - 1);
1138         printf("\tPM1a_CNT_BLK=0x%x-0x%x\n",
1139                fadt->Pm1aControlBlock,
1140                fadt->Pm1aControlBlock + fadt->Pm1ControlLength - 1);
1141         if (fadt->Pm1bControlBlock != 0)
1142                 printf("\tPM1b_CNT_BLK=0x%x-0x%x\n",
1143                        fadt->Pm1bControlBlock,
1144                        fadt->Pm1bControlBlock + fadt->Pm1ControlLength - 1);
1145         if (fadt->Pm2ControlBlock != 0)
1146                 printf("\tPM2_CNT_BLK=0x%x-0x%x\n",
1147                        fadt->Pm2ControlBlock,
1148                        fadt->Pm2ControlBlock + fadt->Pm2ControlLength - 1);
1149         printf("\tPM_TMR_BLK=0x%x-0x%x\n",
1150                fadt->PmTimerBlock,
1151                fadt->PmTimerBlock + fadt->PmTimerLength - 1);
1152         if (fadt->Gpe0Block != 0)
1153                 printf("\tGPE0_BLK=0x%x-0x%x\n",
1154                        fadt->Gpe0Block,
1155                        fadt->Gpe0Block + fadt->Gpe0BlockLength - 1);
1156         if (fadt->Gpe1Block != 0)
1157                 printf("\tGPE1_BLK=0x%x-0x%x, GPE1_BASE=%d\n",
1158                        fadt->Gpe1Block,
1159                        fadt->Gpe1Block + fadt->Gpe1BlockLength - 1,
1160                        fadt->Gpe1Base);
1161         if (fadt->CstControl != 0)
1162                 printf("\tCST_CNT=0x%x\n", fadt->CstControl);
1163         printf("\tP_LVL2_LAT=%d us, P_LVL3_LAT=%d us\n",
1164                fadt->C2Latency, fadt->C3Latency);
1165         printf("\tFLUSH_SIZE=%d, FLUSH_STRIDE=%d\n",
1166                fadt->FlushSize, fadt->FlushStride);
1167         printf("\tDUTY_OFFSET=%d, DUTY_WIDTH=%d\n",
1168                fadt->DutyOffset, fadt->DutyWidth);
1169         printf("\tDAY_ALRM=%d, MON_ALRM=%d, CENTURY=%d\n",
1170                fadt->DayAlarm, fadt->MonthAlarm, fadt->Century);
1171
1172 #define PRINTFLAG(var, flag)    printflag((var), ACPI_FADT_## flag, #flag)
1173
1174         printf("\tIAPC_BOOT_ARCH=");
1175         PRINTFLAG(fadt->BootFlags, LEGACY_DEVICES);
1176         PRINTFLAG(fadt->BootFlags, 8042);
1177         PRINTFLAG(fadt->BootFlags, NO_VGA);
1178         PRINTFLAG(fadt->BootFlags, NO_MSI);
1179         PRINTFLAG(fadt->BootFlags, NO_ASPM);
1180         PRINTFLAG_END();
1181
1182         printf("\tFlags=");
1183         PRINTFLAG(fadt->Flags, WBINVD);
1184         PRINTFLAG(fadt->Flags, WBINVD_FLUSH);
1185         PRINTFLAG(fadt->Flags, C1_SUPPORTED);
1186         PRINTFLAG(fadt->Flags, C2_MP_SUPPORTED);
1187         PRINTFLAG(fadt->Flags, POWER_BUTTON);
1188         PRINTFLAG(fadt->Flags, SLEEP_BUTTON);
1189         PRINTFLAG(fadt->Flags, FIXED_RTC);
1190         PRINTFLAG(fadt->Flags, S4_RTC_WAKE);
1191         PRINTFLAG(fadt->Flags, 32BIT_TIMER);
1192         PRINTFLAG(fadt->Flags, DOCKING_SUPPORTED);
1193         PRINTFLAG(fadt->Flags, RESET_REGISTER);
1194         PRINTFLAG(fadt->Flags, SEALED_CASE);
1195         PRINTFLAG(fadt->Flags, HEADLESS);
1196         PRINTFLAG(fadt->Flags, SLEEP_TYPE);
1197         PRINTFLAG(fadt->Flags, PCI_EXPRESS_WAKE);
1198         PRINTFLAG(fadt->Flags, PLATFORM_CLOCK);
1199         PRINTFLAG(fadt->Flags, S4_RTC_VALID);
1200         PRINTFLAG(fadt->Flags, REMOTE_POWER_ON);
1201         PRINTFLAG(fadt->Flags, APIC_CLUSTER);
1202         PRINTFLAG(fadt->Flags, APIC_PHYSICAL);
1203         PRINTFLAG_END();
1204
1205 #undef PRINTFLAG
1206
1207         if (fadt->Flags & ACPI_FADT_RESET_REGISTER) {
1208                 printf("\tRESET_REG=");
1209                 acpi_print_gas(&fadt->ResetRegister);
1210                 printf(", RESET_VALUE=%#x\n", fadt->ResetValue);
1211         }
1212         if (acpi_get_fadt_revision(fadt) > 1) {
1213                 printf("\tX_FACS=0x%016jx, ", (uintmax_t)fadt->XFacs);
1214                 printf("X_DSDT=0x%016jx\n", (uintmax_t)fadt->XDsdt);
1215                 printf("\tX_PM1a_EVT_BLK=");
1216                 acpi_print_gas(&fadt->XPm1aEventBlock);
1217                 if (fadt->XPm1bEventBlock.Address != 0) {
1218                         printf("\n\tX_PM1b_EVT_BLK=");
1219                         acpi_print_gas(&fadt->XPm1bEventBlock);
1220                 }
1221                 printf("\n\tX_PM1a_CNT_BLK=");
1222                 acpi_print_gas(&fadt->XPm1aControlBlock);
1223                 if (fadt->XPm1bControlBlock.Address != 0) {
1224                         printf("\n\tX_PM1b_CNT_BLK=");
1225                         acpi_print_gas(&fadt->XPm1bControlBlock);
1226                 }
1227                 if (fadt->XPm2ControlBlock.Address != 0) {
1228                         printf("\n\tX_PM2_CNT_BLK=");
1229                         acpi_print_gas(&fadt->XPm2ControlBlock);
1230                 }
1231                 printf("\n\tX_PM_TMR_BLK=");
1232                 acpi_print_gas(&fadt->XPmTimerBlock);
1233                 if (fadt->XGpe0Block.Address != 0) {
1234                         printf("\n\tX_GPE0_BLK=");
1235                         acpi_print_gas(&fadt->XGpe0Block);
1236                 }
1237                 if (fadt->XGpe1Block.Address != 0) {
1238                         printf("\n\tX_GPE1_BLK=");
1239                         acpi_print_gas(&fadt->XGpe1Block);
1240                 }
1241                 printf("\n");
1242         }
1243
1244         printf(END_COMMENT);
1245 }
1246
1247 static void
1248 acpi_print_facs(ACPI_TABLE_FACS *facs)
1249 {
1250         printf(BEGIN_COMMENT);
1251         printf("  FACS:\tLength=%u, ", facs->Length);
1252         printf("HwSig=0x%08x, ", facs->HardwareSignature);
1253         printf("Firm_Wake_Vec=0x%08x\n", facs->FirmwareWakingVector);
1254
1255         printf("\tGlobal_Lock=");
1256         if (facs->GlobalLock != 0) {
1257                 if (facs->GlobalLock & ACPI_GLOCK_PENDING)
1258                         printf("PENDING,");
1259                 if (facs->GlobalLock & ACPI_GLOCK_OWNED)
1260                         printf("OWNED");
1261         }
1262         printf("\n");
1263
1264         printf("\tFlags=");
1265         if (facs->Flags & ACPI_FACS_S4_BIOS_PRESENT)
1266                 printf("S4BIOS");
1267         printf("\n");
1268
1269         if (facs->XFirmwareWakingVector != 0)
1270                 printf("\tX_Firm_Wake_Vec=%016jx\n",
1271                     (uintmax_t)facs->XFirmwareWakingVector);
1272         printf("\tVersion=%u\n", facs->Version);
1273
1274         printf(END_COMMENT);
1275 }
1276
1277 static void
1278 acpi_print_dsdt(ACPI_TABLE_HEADER *dsdp)
1279 {
1280         printf(BEGIN_COMMENT);
1281         acpi_print_sdt(dsdp);
1282         printf(END_COMMENT);
1283 }
1284
1285 int
1286 acpi_checksum(void *p, size_t length)
1287 {
1288         uint8_t *bp;
1289         uint8_t sum;
1290
1291         bp = p;
1292         sum = 0;
1293         while (length--)
1294                 sum += *bp++;
1295
1296         return (sum);
1297 }
1298
1299 static ACPI_TABLE_HEADER *
1300 acpi_map_sdt(vm_offset_t pa)
1301 {
1302         ACPI_TABLE_HEADER *sp;
1303
1304         sp = acpi_map_physical(pa, sizeof(ACPI_TABLE_HEADER));
1305         sp = acpi_map_physical(pa, sp->Length);
1306         return (sp);
1307 }
1308
1309 static void
1310 acpi_print_rsd_ptr(ACPI_TABLE_RSDP *rp)
1311 {
1312         printf(BEGIN_COMMENT);
1313         printf("  RSD PTR: OEM=");
1314         acpi_print_string(rp->OemId, ACPI_OEM_ID_SIZE);
1315         printf(", ACPI_Rev=%s (%d)\n", rp->Revision < 2 ? "1.0x" : "2.0x",
1316                rp->Revision);
1317         if (rp->Revision < 2) {
1318                 printf("\tRSDT=0x%08x, cksum=%u\n", rp->RsdtPhysicalAddress,
1319                     rp->Checksum);
1320         } else {
1321                 printf("\tXSDT=0x%016jx, length=%u, cksum=%u\n",
1322                     (uintmax_t)rp->XsdtPhysicalAddress, rp->Length,
1323                     rp->ExtendedChecksum);
1324         }
1325         printf(END_COMMENT);
1326 }
1327
1328 static void
1329 acpi_handle_rsdt(ACPI_TABLE_HEADER *rsdp)
1330 {
1331         ACPI_TABLE_HEADER *sdp;
1332         ACPI_TABLE_RSDT *rsdt;
1333         ACPI_TABLE_XSDT *xsdt;
1334         vm_offset_t addr;
1335         int entries, i;
1336
1337         acpi_print_rsdt(rsdp);
1338         rsdt = (ACPI_TABLE_RSDT *)rsdp;
1339         xsdt = (ACPI_TABLE_XSDT *)rsdp;
1340         entries = (rsdp->Length - sizeof(ACPI_TABLE_HEADER)) / addr_size;
1341         for (i = 0; i < entries; i++) {
1342                 if (addr_size == 4)
1343                         addr = le32toh(rsdt->TableOffsetEntry[i]);
1344                 else
1345                         addr = le64toh(xsdt->TableOffsetEntry[i]);
1346                 if (addr == 0)
1347                         continue;
1348                 sdp = (ACPI_TABLE_HEADER *)acpi_map_sdt(addr);
1349                 if (acpi_checksum(sdp, sdp->Length)) {
1350                         warnx("RSDT entry %d (sig %.4s) is corrupt", i,
1351                             sdp->Signature);
1352                         continue;
1353                 }
1354                 if (!memcmp(sdp->Signature, ACPI_SIG_FADT, 4))
1355                         acpi_handle_fadt(sdp);
1356                 else if (!memcmp(sdp->Signature, ACPI_SIG_MADT, 4))
1357                         acpi_handle_madt(sdp);
1358                 else if (!memcmp(sdp->Signature, ACPI_SIG_HPET, 4))
1359                         acpi_handle_hpet(sdp);
1360                 else if (!memcmp(sdp->Signature, ACPI_SIG_ECDT, 4))
1361                         acpi_handle_ecdt(sdp);
1362                 else if (!memcmp(sdp->Signature, ACPI_SIG_MCFG, 4))
1363                         acpi_handle_mcfg(sdp);
1364                 else if (!memcmp(sdp->Signature, ACPI_SIG_SLIT, 4))
1365                         acpi_handle_slit(sdp);
1366                 else if (!memcmp(sdp->Signature, ACPI_SIG_SRAT, 4))
1367                         acpi_handle_srat(sdp);
1368                 else if (!memcmp(sdp->Signature, ACPI_SIG_TCPA, 4))
1369                         acpi_handle_tcpa(sdp);
1370                 else if (!memcmp(sdp->Signature, ACPI_SIG_DMAR, 4))
1371                         acpi_handle_dmar(sdp);
1372                 else {
1373                         printf(BEGIN_COMMENT);
1374                         acpi_print_sdt(sdp);
1375                         printf(END_COMMENT);
1376                 }
1377         }
1378 }
1379
1380 ACPI_TABLE_HEADER *
1381 sdt_load_devmem(void)
1382 {
1383         ACPI_TABLE_RSDP *rp;
1384         ACPI_TABLE_HEADER *rsdp;
1385
1386         rp = acpi_find_rsd_ptr();
1387         if (!rp)
1388                 errx(1, "Can't find ACPI information");
1389
1390         if (tflag)
1391                 acpi_print_rsd_ptr(rp);
1392         if (rp->Revision < 2) {
1393                 rsdp = (ACPI_TABLE_HEADER *)acpi_map_sdt(rp->RsdtPhysicalAddress);
1394                 if (memcmp(rsdp->Signature, "RSDT", 4) != 0 ||
1395                     acpi_checksum(rsdp, rsdp->Length) != 0)
1396                         errx(1, "RSDT is corrupted");
1397                 addr_size = sizeof(uint32_t);
1398         } else {
1399                 rsdp = (ACPI_TABLE_HEADER *)acpi_map_sdt(rp->XsdtPhysicalAddress);
1400                 if (memcmp(rsdp->Signature, "XSDT", 4) != 0 ||
1401                     acpi_checksum(rsdp, rsdp->Length) != 0)
1402                         errx(1, "XSDT is corrupted");
1403                 addr_size = sizeof(uint64_t);
1404         }
1405         return (rsdp);
1406 }
1407
1408 /* Write the DSDT to a file, concatenating any SSDTs (if present). */
1409 static int
1410 write_dsdt(int fd, ACPI_TABLE_HEADER *rsdt, ACPI_TABLE_HEADER *dsdt)
1411 {
1412         ACPI_TABLE_HEADER sdt;
1413         ACPI_TABLE_HEADER *ssdt;
1414         uint8_t sum;
1415
1416         /* Create a new checksum to account for the DSDT and any SSDTs. */
1417         sdt = *dsdt;
1418         if (rsdt != NULL) {
1419                 sdt.Checksum = 0;
1420                 sum = acpi_checksum(dsdt + 1, dsdt->Length -
1421                     sizeof(ACPI_TABLE_HEADER));
1422                 ssdt = sdt_from_rsdt(rsdt, ACPI_SIG_SSDT, NULL);
1423                 while (ssdt != NULL) {
1424                         sdt.Length += ssdt->Length - sizeof(ACPI_TABLE_HEADER);
1425                         sum += acpi_checksum(ssdt + 1,
1426                             ssdt->Length - sizeof(ACPI_TABLE_HEADER));
1427                         ssdt = sdt_from_rsdt(rsdt, ACPI_SIG_SSDT, ssdt);
1428                 }
1429                 sum += acpi_checksum(&sdt, sizeof(ACPI_TABLE_HEADER));
1430                 sdt.Checksum -= sum;
1431         }
1432
1433         /* Write out the DSDT header and body. */
1434         write(fd, &sdt, sizeof(ACPI_TABLE_HEADER));
1435         write(fd, dsdt + 1, dsdt->Length - sizeof(ACPI_TABLE_HEADER));
1436
1437         /* Write out any SSDTs (if present.) */
1438         if (rsdt != NULL) {
1439                 ssdt = sdt_from_rsdt(rsdt, "SSDT", NULL);
1440                 while (ssdt != NULL) {
1441                         write(fd, ssdt + 1, ssdt->Length -
1442                             sizeof(ACPI_TABLE_HEADER));
1443                         ssdt = sdt_from_rsdt(rsdt, "SSDT", ssdt);
1444                 }
1445         }
1446         return (0);
1447 }
1448
1449 void
1450 dsdt_save_file(char *outfile, ACPI_TABLE_HEADER *rsdt, ACPI_TABLE_HEADER *dsdp)
1451 {
1452         int     fd;
1453         mode_t  mode;
1454
1455         assert(outfile != NULL);
1456         mode = S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH;
1457         fd = open(outfile, O_WRONLY | O_CREAT | O_TRUNC, mode);
1458         if (fd == -1) {
1459                 perror("dsdt_save_file");
1460                 return;
1461         }
1462         write_dsdt(fd, rsdt, dsdp);
1463         close(fd);
1464 }
1465
1466 void
1467 aml_disassemble(ACPI_TABLE_HEADER *rsdt, ACPI_TABLE_HEADER *dsdp)
1468 {
1469         char buf[PATH_MAX], tmpstr[PATH_MAX], wrkdir[PATH_MAX];
1470         const char *iname = "/acpdump.din";
1471         const char *oname = "/acpdump.dsl";
1472         const char *tmpdir;
1473         FILE *fp;
1474         size_t len;
1475         int fd, status;
1476         pid_t pid;
1477
1478         tmpdir = getenv("TMPDIR");
1479         if (tmpdir == NULL)
1480                 tmpdir = _PATH_TMP;
1481         if (realpath(tmpdir, buf) == NULL) {
1482                 perror("realpath tmp dir");
1483                 return;
1484         }
1485         len = sizeof(wrkdir) - strlen(iname);
1486         if ((size_t)snprintf(wrkdir, len, "%s/acpidump.XXXXXX", buf) > len-1 ) {
1487                 fprintf(stderr, "$TMPDIR too long\n");
1488                 return;
1489         }
1490         if  (mkdtemp(wrkdir) == NULL) {
1491                 perror("mkdtemp tmp working dir");
1492                 return;
1493         }
1494         assert((size_t)snprintf(tmpstr, sizeof(tmpstr), "%s%s", wrkdir, iname)
1495                 <= sizeof(tmpstr) - 1);
1496         fd = open(tmpstr, O_CREAT | O_WRONLY, S_IRUSR | S_IWUSR);
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 ((pid = 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         if (pid > 0)
1513                 wait(&status);
1514         if (unlink(tmpstr) < 0) {
1515                 perror("unlink");
1516                 goto out;
1517         }
1518         if (pid < 0) {
1519                 perror("fork");
1520                 goto out;
1521         }
1522         if (status != 0) {
1523                 fprintf(stderr, "iast exit status = %d\n", status);
1524         }
1525
1526         /* Dump iasl's output to stdout */
1527         assert((size_t)snprintf(tmpstr, sizeof(tmpstr), "%s%s", wrkdir, oname)
1528                 <= sizeof(tmpstr) -1);
1529         fp = fopen(tmpstr, "r");
1530         if (unlink(tmpstr) < 0) {
1531                 perror("unlink");
1532                 goto out;
1533         }
1534         if (fp == NULL) {
1535                 perror("iasl tmp file (read)");
1536                 goto out;
1537         }
1538         while ((len = fread(buf, 1, sizeof(buf), fp)) > 0)
1539                 fwrite(buf, 1, len, stdout);
1540         fclose(fp);
1541
1542     out:
1543         if (rmdir(wrkdir) < 0)
1544                 perror("rmdir");
1545 }
1546
1547 void
1548 sdt_print_all(ACPI_TABLE_HEADER *rsdp)
1549 {
1550         acpi_handle_rsdt(rsdp);
1551 }
1552
1553 /* Fetch a table matching the given signature via the RSDT. */
1554 ACPI_TABLE_HEADER *
1555 sdt_from_rsdt(ACPI_TABLE_HEADER *rsdp, const char *sig, ACPI_TABLE_HEADER *last)
1556 {
1557         ACPI_TABLE_HEADER *sdt;
1558         ACPI_TABLE_RSDT *rsdt;
1559         ACPI_TABLE_XSDT *xsdt;
1560         vm_offset_t addr;
1561         int entries, i;
1562
1563         rsdt = (ACPI_TABLE_RSDT *)rsdp;
1564         xsdt = (ACPI_TABLE_XSDT *)rsdp;
1565         entries = (rsdp->Length - sizeof(ACPI_TABLE_HEADER)) / addr_size;
1566         for (i = 0; i < entries; i++) {
1567                 if (addr_size == 4)
1568                         addr = le32toh(rsdt->TableOffsetEntry[i]);
1569                 else
1570                         addr = le64toh(xsdt->TableOffsetEntry[i]);
1571                 if (addr == 0)
1572                         continue;
1573                 sdt = (ACPI_TABLE_HEADER *)acpi_map_sdt(addr);
1574                 if (last != NULL) {
1575                         if (sdt == last)
1576                                 last = NULL;
1577                         continue;
1578                 }
1579                 if (memcmp(sdt->Signature, sig, strlen(sig)))
1580                         continue;
1581                 if (acpi_checksum(sdt, sdt->Length))
1582                         errx(1, "RSDT entry %d is corrupt", i);
1583                 return (sdt);
1584         }
1585
1586         return (NULL);
1587 }
1588
1589 ACPI_TABLE_HEADER *
1590 dsdt_from_fadt(ACPI_TABLE_FADT *fadt)
1591 {
1592         ACPI_TABLE_HEADER       *sdt;
1593
1594         /* Use the DSDT address if it is version 1, otherwise use XDSDT. */
1595         if (acpi_get_fadt_revision(fadt) == 1)
1596                 sdt = (ACPI_TABLE_HEADER *)acpi_map_sdt(fadt->Dsdt);
1597         else
1598                 sdt = (ACPI_TABLE_HEADER *)acpi_map_sdt(fadt->XDsdt);
1599         if (acpi_checksum(sdt, sdt->Length))
1600                 errx(1, "DSDT is corrupt\n");
1601         return (sdt);
1602 }