root/usr.sbin/acpitools/acpidump/acpi.c
/* $NetBSD: acpi.c,v 1.59 2026/03/10 21:59:30 andvar Exp $ */

/*-
 * Copyright (c) 1998 Doug Rabson
 * Copyright (c) 2000 Mitsuru IWASAKI <iwasaki@FreeBSD.org>
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 *      $FreeBSD: head/usr.sbin/acpi/acpidump/acpi.c 321299 2017-07-20 17:36:17Z emaste $
 */

#include <sys/cdefs.h>
__RCSID("$NetBSD: acpi.c,v 1.59 2026/03/10 21:59:30 andvar Exp $");

#include <sys/param.h>
#include <sys/endian.h>
#include <sys/stat.h>
#include <sys/wait.h>
#include <assert.h>
#include <err.h>
#include <fcntl.h>
#include <paths.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdint.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <stddef.h>
#include <uuid.h>

#include "acpidump.h"

#define BEGIN_COMMENT   "/*\n"
#define END_COMMENT     " */\n"

/* Commonly used helper functions */
static void     acpi_print_string(char *s, size_t length);
static void     acpi_print_tabs(unsigned int n);
static void     acpi_dump_bytes(uint8_t *p, uint32_t len, unsigned int ntabs);
static void     acpi_dump_table(ACPI_TABLE_HEADER *sdp);
static void     acpi_print_gas(ACPI_GENERIC_ADDRESS *gas);
static void     acpi_print_pci(uint16_t vendorid, uint16_t deviceid,
                    uint8_t seg, uint8_t bus, uint8_t device, uint8_t func);
static void     acpi_print_pci_sbdf(uint8_t seg, uint8_t bus, uint8_t device,
                    uint8_t func);
#ifdef notyet
static void     acpi_print_hest_generic_status(ACPI_HEST_GENERIC_STATUS *);
static void     acpi_print_hest_generic_data(ACPI_HEST_GENERIC_DATA *);
#endif
static void     acpi_print_whea(ACPI_WHEA_HEADER *whea,
                    void (*print_action)(ACPI_WHEA_HEADER *),
                    void (*print_ins)(ACPI_WHEA_HEADER *),
                    void (*print_flags)(ACPI_WHEA_HEADER *));
static uint64_t acpi_select_address(uint32_t, uint64_t);

/* Handlers for each table */
static void     acpi_handle_fadt(ACPI_TABLE_HEADER *fadt);
static void     acpi_print_cpu(u_char cpu_id);
static void     acpi_print_cpu_uid(uint32_t uid, char *uid_string);
static void     acpi_print_local_apic(uint32_t apic_id, uint32_t flags);
static void     acpi_print_io_apic(uint32_t apic_id, uint32_t int_base,
                    uint64_t apic_addr);
static void     acpi_print_mps_flags(uint16_t flags);
static void     acpi_print_intr(uint32_t intr, uint16_t mps_flags);
static void     acpi_print_local_nmi(u_int local_int, uint16_t mps_flags);
static void     acpi_print_madt(ACPI_SUBTABLE_HEADER *mp);
static void     acpi_handle_bert(ACPI_TABLE_HEADER *sdp);
static void     acpi_handle_bgrt(ACPI_TABLE_HEADER *sdp);
static void     acpi_handle_boot(ACPI_TABLE_HEADER *sdp);
static void     acpi_handle_cpep(ACPI_TABLE_HEADER *sdp);
static void     acpi_handle_csrt(ACPI_TABLE_HEADER *sdp);
static void     acpi_handle_dbgp(ACPI_TABLE_HEADER *sdp);
static void     acpi_handle_dbg2(ACPI_TABLE_HEADER *sdp);
static void     acpi_handle_einj(ACPI_TABLE_HEADER *sdp);
static void     acpi_handle_erst(ACPI_TABLE_HEADER *sdp);
static void     acpi_handle_gtdt(ACPI_TABLE_HEADER *sdp);
static void     acpi_handle_hest(ACPI_TABLE_HEADER *sdp);
static void     acpi_handle_iort(ACPI_TABLE_HEADER *sdp);
static void     acpi_handle_lpit(ACPI_TABLE_HEADER *sdp);
static void     acpi_handle_madt(ACPI_TABLE_HEADER *sdp);
static void     acpi_handle_msct(ACPI_TABLE_HEADER *sdp);
static void     acpi_handle_ecdt(ACPI_TABLE_HEADER *sdp);
static void     acpi_handle_hpet(ACPI_TABLE_HEADER *sdp);
static void     acpi_handle_mcfg(ACPI_TABLE_HEADER *sdp);
static void     acpi_handle_pcct(ACPI_TABLE_HEADER *sdp);
static void     acpi_handle_pptt(ACPI_TABLE_HEADER *sdp);
static void     acpi_handle_sbst(ACPI_TABLE_HEADER *sdp);
static void     acpi_handle_slit(ACPI_TABLE_HEADER *sdp);
static void     acpi_handle_spcr(ACPI_TABLE_HEADER *sdp);
static void     acpi_handle_spmi(ACPI_TABLE_HEADER *sdp);
static void     acpi_print_srat_cpu(uint8_t type, uint32_t apic_id,
                    uint32_t proximity_domain,
                    uint32_t flags, uint32_t clockdomain, uint8_t sapic_eid);
static void     acpi_print_srat_memory(ACPI_SRAT_MEM_AFFINITY *mp);
static void     acpi_print_srat(ACPI_SUBTABLE_HEADER *srat);
static void     acpi_handle_srat(ACPI_TABLE_HEADER *sdp);
static void     acpi_handle_tcpa(ACPI_TABLE_HEADER *sdp);
static void     acpi_handle_tpm2(ACPI_TABLE_HEADER *sdp);
static void     acpi_print_nfit(ACPI_NFIT_HEADER *nfit);
static void     acpi_handle_nfit(ACPI_TABLE_HEADER *sdp);
static void     acpi_handle_uefi(ACPI_TABLE_HEADER *sdp);
static void     acpi_handle_waet(ACPI_TABLE_HEADER *sdp);
static void     acpi_handle_wdat(ACPI_TABLE_HEADER *sdp);
static void     acpi_handle_wddt(ACPI_TABLE_HEADER *sdp);
static void     acpi_handle_wdrt(ACPI_TABLE_HEADER *sdp);
static void     acpi_print_sdt(ACPI_TABLE_HEADER *sdp);
static void     acpi_print_fadt(ACPI_TABLE_HEADER *sdp);
static void     acpi_print_facs(ACPI_TABLE_FACS *facs);
static void     acpi_print_dsdt(ACPI_TABLE_HEADER *dsdp);
static ACPI_TABLE_HEADER *acpi_map_sdt(vm_offset_t pa);
static void     acpi_print_rsd_ptr(ACPI_TABLE_RSDP *rp);
static void     acpi_handle_rsdt(ACPI_TABLE_HEADER *rsdp);
static void     acpi_walk_subtables(ACPI_TABLE_HEADER *table, void *first,
                    void (*action)(ACPI_SUBTABLE_HEADER *));
static void     acpi_walk_nfit(ACPI_TABLE_HEADER *table, void *first,
                    void (*action)(ACPI_NFIT_HEADER *));

/* Size of an address. 32-bit for ACPI 1.0, 64-bit for ACPI 2.0 and up. */
static int addr_size;

/* Strings used in the TCPA table */
static const char *tcpa_event_type_strings[] = {
        "PREBOOT Certificate",
        "POST Code",
        "Unused",
        "No Action",
        "Separator",
        "Action",
        "Event Tag",
        "S-CRTM Contents",
        "S-CRTM Version",
        "CPU Microcode",
        "Platform Config Flags",
        "Table of Devices",
        "Compact Hash",
        "IPL",
        "IPL Partition Data",
        "Non-Host Code",
        "Non-Host Config",
        "Non-Host Info"
};

static const char *TCPA_pcclient_strings[] = {
        "<undefined>",
        "SMBIOS",
        "BIS Certificate",
        "POST BIOS ROM Strings",
        "ESCD",
        "CMOS",
        "NVRAM",
        "Option ROM Execute",
        "Option ROM Configuration",
        "<undefined>",
        "Option ROM Microcode Update ",
        "S-CRTM Version String",
        "S-CRTM Contents",
        "POST Contents",
        "Table of Devices",
};

#define PRINTFLAG_END()         printflag_end()

static char pf_sep = '{';

static void
printflag_end(void)
{

        if (pf_sep == ',') {
                printf("}");
        } else if (pf_sep == '{') {
                printf("{}");
        }
        pf_sep = '{';
        printf("\n");
}

static void
printflag(uint64_t var, uint64_t mask, const char *name)
{

        if (var & mask) {
                printf("%c%s", pf_sep, name);
                pf_sep = ',';
        }
}

static void
acpi_print_string(char *s, size_t length)
{
        int     c;

        /* Trim trailing spaces and NULLs */
        while (length > 0 && (s[length - 1] == ' ' || s[length - 1] == '\0'))
                length--;

        while (length--) {
                c = *s++;
                if (c == '\0')
                        return;
                putchar(c);
        }
}

static void
acpi_print_gas(ACPI_GENERIC_ADDRESS *gas)
{
        switch (gas->SpaceId) {
        case ACPI_ADR_SPACE_SYSTEM_MEMORY:
                if (gas->BitWidth <= 32)
                        printf("0x%08x:%u[%u] (Memory)",
                            (u_int)gas->Address, gas->BitOffset,
                            gas->BitWidth);
                else
                        printf("0x%016jx:%u[%u] (Memory)",
                            (uintmax_t)gas->Address, gas->BitOffset,
                            gas->BitWidth);
                break;
        case ACPI_ADR_SPACE_SYSTEM_IO:
                printf("0x%02x:%u[%u] (IO)", (u_int)gas->Address,
                    gas->BitOffset, gas->BitWidth);
                break;
        case ACPI_ADR_SPACE_PCI_CONFIG:
                printf("%x:%x+0x%x (PCI)", (uint16_t)(gas->Address >> 32),
                       (uint16_t)((gas->Address >> 16) & 0xffff),
                       (uint16_t)gas->Address);
                break;
        /* XXX How to handle these below? */
        case ACPI_ADR_SPACE_EC:
                printf("0x%x:%u[%u] (EC)", (uint16_t)gas->Address,
                       gas->BitOffset, gas->BitWidth);
                break;
        case ACPI_ADR_SPACE_SMBUS:
                printf("0x%x:%u[%u] (SMBus)", (uint16_t)gas->Address,
                       gas->BitOffset, gas->BitWidth);
                break;
        case ACPI_ADR_SPACE_CMOS:
        case ACPI_ADR_SPACE_PCI_BAR_TARGET:
        case ACPI_ADR_SPACE_IPMI:
        case ACPI_ADR_SPACE_GPIO:
        case ACPI_ADR_SPACE_GSBUS:
        case ACPI_ADR_SPACE_PLATFORM_COMM:
        case ACPI_ADR_SPACE_FIXED_HARDWARE:
        default:
                printf("0x%016jx (SpaceID=%hhu)", (uintmax_t)gas->Address,
                    gas->SpaceId);
                break;
        }
}

static void
acpi_print_pci(uint16_t vendorid, uint16_t deviceid,
    uint8_t seg, uint8_t bus, uint8_t device, uint8_t func)
{
        if (vendorid == 0xffff && deviceid == 0xffff) {
                printf("\tPCI Device=NONE\n");
                return;
        }

        printf("\tPCI device={\n");
        printf("\t\tVendor=0x%x\n", vendorid);
        printf("\t\tDevice=0x%x\n", deviceid);
        printf("\n");
        printf("\t\tSegment Group=%d\n", seg);
        printf("\t\tBus=%d\n", bus);
        printf("\t\tDevice=%d\n", device);
        printf("\t\tFunction=%d\n", func);
        printf("\t}\n");
}

static void
acpi_print_pci_sbdf(uint8_t seg, uint8_t bus, uint8_t device, uint8_t func)
{
        if (bus == 0xff && device == 0xff && func == 0xff) {
                printf("\tPCI Device=NONE\n");
                return;
        }

        printf("\tPCI device={\n");
        printf("\t\tSegment Group=%d\n", seg);
        printf("\t\tBus=%d\n", bus);
        printf("\t\tDevice=%d\n", device);
        printf("\t\tFunction=%d\n", func);
        printf("\t}\n");
}

#ifdef notyet
static void
acpi_print_hest_errorseverity(uint32_t error)
{
        printf("\tError Severity={ ");
        switch (error) {
        case 0:
                printf("Recoverable");
                break;
        case 1:
                printf("Fatal");
                break;
        case 2:
                printf("Corrected");
                break;
        case 3:
                printf("None");
                break;
        default:
                printf("%d (reserved)", error);
                break;
        }
        printf("}\n");
}
#endif

static void
acpi_print_hest_errorbank(ACPI_HEST_IA_ERROR_BANK *bank)
{
        printf("\n");
        printf("\tBank Number=%d\n", bank->BankNumber);
        printf("\tClear Status On Init={%s}\n",
                bank->ClearStatusOnInit ? "NO" : "YES");
        printf("\tStatus Data Format={ ");
        switch (bank->StatusFormat) {
        case 0:
                printf("IA32 MCA");
                break;
        case 1:
                printf("EMT64 MCA");
                break;
        case 2:
                printf("AMD64 MCA");
                break;
        }
        printf(" }\n");

        if (bank->ControlRegister)
                printf("\tControl Register=0x%x\n", bank->ControlRegister);
        printf("\tControl Init Data=0x%"PRIx64"\n", bank->ControlData);
        printf("\tStatus MSR=0x%x\n", bank->StatusRegister);
        printf("\tAddress MSR=0x%x\n", bank->AddressRegister);
        printf("\tMisc MSR=0x%x\n", bank->MiscRegister);
}

static void
acpi_print_hest_header(ACPI_HEST_HEADER *hest)
{
        printf("\tType={");
        switch (hest->Type) {
        case ACPI_HEST_TYPE_IA32_CHECK:
                printf("IA32 Machine Check Exception");
                break;
        case ACPI_HEST_TYPE_IA32_CORRECTED_CHECK:
                printf("IA32 Corrected Machine Check");
                break;
        case ACPI_HEST_TYPE_IA32_NMI:
                printf("IA32 Non-Maskable Interrupt");
                break;
        case ACPI_HEST_TYPE_NOT_USED3:
        case ACPI_HEST_TYPE_NOT_USED4:
        case ACPI_HEST_TYPE_NOT_USED5:
                printf("unused type: %d", hest->Type);
                break;
        case ACPI_HEST_TYPE_AER_ROOT_PORT:
                printf("PCI Express Root Port AER");
                break;
        case ACPI_HEST_TYPE_AER_ENDPOINT:
                printf("PCI Express Endpoint AER");
                break;
        case ACPI_HEST_TYPE_AER_BRIDGE:
                printf("PCI Express/PCI-X Bridge AER");
                break;
        case ACPI_HEST_TYPE_GENERIC_ERROR:
                printf("Generic Hardware Error Source");
                break;
        case ACPI_HEST_TYPE_GENERIC_ERROR_V2:
                printf("Generic Hardware Error Source version 2");
                break;
        case ACPI_HEST_TYPE_RESERVED:
        default:
                printf("Reserved (%d)", hest->Type);
                break;
        }
        printf("}\n");
        printf("\tSourceId=%d\n", hest->SourceId);
}

static void
acpi_print_hest_aer_common(ACPI_HEST_AER_COMMON *data)
{

#define PRINTFLAG(var, flag)    printflag((var), ACPI_HEST_## flag, #flag)

        printf("\tFlags=");
        PRINTFLAG(data->Flags, FIRMWARE_FIRST);
        PRINTFLAG(data->Flags, GLOBAL);
        PRINTFLAG(data->Flags, GHES_ASSIST);
        PRINTFLAG_END();

#undef PRINTFLAG

        printf("\tEnabled={ %s ", data->Flags ? "YES" : "NO");
        if (data->Flags & ACPI_HEST_FIRMWARE_FIRST)
                printf("(ignored) ");
        printf("}\n");
        printf("\tNumber of Record to pre-allocate=%d\n",
                data->RecordsToPreallocate);
        printf("\tMax. Sections per Record=%d\n", data->MaxSectionsPerRecord);
        if (!(data->Flags & ACPI_HEST_GLOBAL))
                acpi_print_pci_sbdf(0, data->Bus, data->Device, data->Function);
        printf("\tDevice Control=0x%x\n", data->DeviceControl);
        printf("\tUncorrectable Error Mask Register=0x%x\n",
                data->UncorrectableMask);
        printf("\tUncorrectable Error Severity Register=0x%x\n",
                data->UncorrectableSeverity);
        printf("\tCorrectable Error Mask Register=0x%x\n",
                data->CorrectableMask);
        printf("\tAdvanced Capabilities Register=0x%x\n",
                data->AdvancedCapabilities);
}

static void
acpi_print_hest_notify(ACPI_HEST_NOTIFY *notify)
{
        printf("\tHW Error Notification={\n");
        printf("\t\tType={");
        switch (notify->Type) {
        case ACPI_HEST_NOTIFY_POLLED:
                printf("POLLED");
                break;
        case ACPI_HEST_NOTIFY_EXTERNAL:
                printf("EXTERN");
                break;
        case ACPI_HEST_NOTIFY_LOCAL:
                printf("LOCAL");
                break;
        case ACPI_HEST_NOTIFY_SCI:
                printf("SCI");
                break;
        case ACPI_HEST_NOTIFY_NMI:
                printf("NMI");
                break;
        case ACPI_HEST_NOTIFY_CMCI:
                printf("CMCI");
                break;
        case ACPI_HEST_NOTIFY_MCE:
                printf("MCE");
                break;
        case ACPI_HEST_NOTIFY_GPIO:
                printf("GPIO-Signal");
                break;
        case ACPI_HEST_NOTIFY_SEA:
                printf("ARMv8 SEA");
                break;
        case ACPI_HEST_NOTIFY_SEI:
                printf("ARMv8 SEI");
                break;
        case ACPI_HEST_NOTIFY_GSIV:
                printf("External Interrupt - GSIV");
                break;
        case ACPI_HEST_NOTIFY_RESERVED:
                printf("RESERVED");
                break;
        default:
                printf("%d (reserved)", notify->Type);
                break;
        }
        printf("}\n");

        printf("\t\tLength=%d\n", notify->Length);

#define PRINTFLAG(var, flag)    printflag((var), ACPI_HEST_## flag, #flag)

        printf("\t\tConfig Write Enable=");
        PRINTFLAG(notify->ConfigWriteEnable, TYPE);
        PRINTFLAG(notify->ConfigWriteEnable, POLL_INTERVAL);
        PRINTFLAG(notify->ConfigWriteEnable, POLL_THRESHOLD_VALUE);
        PRINTFLAG(notify->ConfigWriteEnable, POLL_THRESHOLD_WINDOW);
        PRINTFLAG(notify->ConfigWriteEnable, ERR_THRESHOLD_VALUE);
        PRINTFLAG(notify->ConfigWriteEnable, ERR_THRESHOLD_WINDOW);
        PRINTFLAG_END();

#undef PRINTFLAG

        printf("\t\tPoll Interval=%d msec\n", notify->PollInterval);
        printf("\t\tInterrupt Vector=%d\n", notify->Vector);
        printf("\t\tSwitch To Polling Threshold Value=%d\n",
                notify->PollingThresholdValue);
        printf("\t\tSwitch To Polling Threshold Window=%d msec\n",
                notify->PollingThresholdWindow);
        printf("\t\tError Threshold Value=%d\n",
                notify->ErrorThresholdValue);
        printf("\t\tError Threshold Window=%d msec\n",
                notify->ErrorThresholdWindow);
        printf("\t}\n");
}

#ifdef notyet
static void
acpi_print_hest_generic_status(ACPI_HEST_GENERIC_STATUS *data)
{
        uint32_t i, pos, entries;
        ACPI_HEST_GENERIC_DATA *gen;

        entries = data->BlockStatus & ACPI_HEST_ERROR_ENTRY_COUNT;

        printf("\tGeneric Error Status={\n");
        printf("\t\tBlock Status={ ");
        if (data->BlockStatus & ACPI_HEST_UNCORRECTABLE)
                printf("UNCORRECTABLE");
        if (data->BlockStatus & ACPI_HEST_CORRECTABLE)
                printf("CORRECTABLE");
        if (data->BlockStatus & ACPI_HEST_MULTIPLE_UNCORRECTABLE)
                printf("MULTIPLE UNCORRECTABLE");
        if (data->BlockStatus & ACPI_HEST_MULTIPLE_CORRECTABLE)
                printf("MULTIPLE CORRECTABLE");
        printf(" }\n");
        printf("\t\tEntry Count=%d\n", entries);
        printf("\t\tRaw Data Offset=%d\n", data->RawDataOffset);
        printf("\t\tRaw Data Length=%d\n", data->RawDataLength);
        printf("\t\tData Length=%d\n", data->DataLength);
        printf("\t");
        acpi_print_hest_errorseverity(data->ErrorSeverity);
        printf("\t}\n");

        pos = sizeof(ACPI_HEST_GENERIC_STATUS);
        for (i = 0; i < entries; i++) {
                gen = (ACPI_HEST_GENERIC_DATA *)((char *)data + pos);
                acpi_print_hest_generic_data(gen);
                pos += sizeof(ACPI_HEST_GENERIC_DATA);
        }
}
#endif

#ifdef notyet
static void
acpi_print_hest_generic_data(ACPI_HEST_GENERIC_DATA *data)
{
        printf("\tGeneric Error Data={\n");
        printf("\t\tSectionType=");
        acpi_print_string((char *)data->SectionType, sizeof(data->SectionType));
        printf("\n\t");
        acpi_print_hest_errorseverity(data->ErrorSeverity);
        printf("\t\tRevision=0x%x\n", data->Revision);
        printf("\t\tValidation Bits=0x%x\n", data->ValidationBits);
        printf("\t\tFlags=0x%x\n", data->Flags);
        printf("\t\tData Length=%d\n", data->ErrorDataLength);
        printf("\t\tField Replication Unit Id=");
        acpi_print_string((char *)data->FruId, sizeof(data->FruId));
        printf("\n");
        printf("\t\tField Replication Unit=");
        acpi_print_string((char *)data->FruText, sizeof(data->FruText));
        printf("\n");
        printf("\t}\n");
}
#endif

static void
acpi_print_whea(ACPI_WHEA_HEADER *whea,
    void (*print_action)(ACPI_WHEA_HEADER *),
    void (*print_ins)(ACPI_WHEA_HEADER *),
    void (*print_flags)(ACPI_WHEA_HEADER *))
{
        printf("\n");

        print_action(whea);
        print_ins(whea);
        if (print_flags)
                print_flags(whea);
        printf("\tRegisterRegion=");
        acpi_print_gas(&whea->RegisterRegion);
        printf("\n");
        printf("\tMASK=0x%08"PRIx64"\n", whea->Mask);
}

static void
acpi_print_hest_ia32_check(ACPI_HEST_IA_MACHINE_CHECK *data)
{
        uint32_t i, pos;
        ACPI_HEST_IA_ERROR_BANK *bank;

        acpi_print_hest_header(&data->Header);
        printf("\tFlags={ ");
        if (data->Flags & ACPI_HEST_FIRMWARE_FIRST)
                printf("FIRMWARE_FIRST");
        printf(" }\n");
        printf("\tEnabled={ %s }\n", data->Enabled ? "YES" : "NO");
        printf("\tNumber of Record to pre-allocate=%d\n",
                data->RecordsToPreallocate);
        printf("\tMax Sections per Record=%d\n",
                data->MaxSectionsPerRecord);
        printf("\tGlobal Capability Init Data=0x%"PRIx64"\n",
                data->GlobalCapabilityData);
        printf("\tGlobal Control Init Data=0x%"PRIx64"\n",
                data->GlobalControlData);
        printf("\tNumber of Hardware Error Reporting Banks=%d\n",
                data->NumHardwareBanks);

        pos = sizeof(ACPI_HEST_IA_MACHINE_CHECK);
        for (i = 0; i < data->NumHardwareBanks; i++) {
                bank = (ACPI_HEST_IA_ERROR_BANK *)((char *)data + pos);
                acpi_print_hest_errorbank(bank);
                pos += sizeof(ACPI_HEST_IA_ERROR_BANK);
        }
}

static void
acpi_print_hest_ia32_correctedcheck(ACPI_HEST_IA_CORRECTED *data)
{
        uint32_t i, pos;
        ACPI_HEST_IA_ERROR_BANK *bank;

        acpi_print_hest_header(&data->Header);
        printf("\tFlags={ ");
        if (data->Flags & ACPI_HEST_FIRMWARE_FIRST)
                printf("FIRMWARE_FIRST");
        printf(" }\n");
        printf("\tEnabled={ %s }\n", data->Enabled ? "YES" : "NO");
        printf("\tNumber of Record to pre-allocate=%d\n",
                data->RecordsToPreallocate);
        printf("\tMax Sections per Record=%d\n",
                data->MaxSectionsPerRecord);
        acpi_print_hest_notify(&data->Notify);

        printf("\tNumber of Hardware Error Reporting Banks=%d\n",
                data->NumHardwareBanks);

        pos = sizeof(ACPI_HEST_IA_MACHINE_CHECK);
        for (i = 0; i < data->NumHardwareBanks; i++) {
                bank = (ACPI_HEST_IA_ERROR_BANK *)((char *)data + pos);
                acpi_print_hest_errorbank(bank);
                pos += sizeof(ACPI_HEST_IA_ERROR_BANK);
        }
}

static void
acpi_print_hest_ia32_nmi(ACPI_HEST_IA_NMI *data)
{
        acpi_print_hest_header(&data->Header);
        printf("\tNumber of Record to pre-allocate=%d\n",
                data->RecordsToPreallocate);
        printf("\tMax Sections per Record=%d\n",
                data->MaxSectionsPerRecord);
        printf("\tMax Raw Data Length=%d\n",
                data->MaxRawDataLength);
}

static void
acpi_print_hest_aer_root(ACPI_HEST_AER_ROOT *data)
{
        acpi_print_hest_header(&data->Header);
        acpi_print_hest_aer_common(&data->Aer);
        printf("Root Error Command Register=0x%x\n", data->RootErrorCommand);
}

static void
acpi_print_hest_aer_endpoint(ACPI_HEST_AER *data)
{
        acpi_print_hest_header(&data->Header);
        acpi_print_hest_aer_common(&data->Aer);
}

static void
acpi_print_hest_aer_bridge(ACPI_HEST_AER_BRIDGE *data)
{
        acpi_print_hest_header(&data->Header);
        acpi_print_hest_aer_common(&data->Aer);

        printf("\tSecondary Uncorrectable Error Mask Register=0x%x\n",
                data->UncorrectableMask2);
        printf("\tSecondary Uncorrectable Error Severity Register=0x%x\n",
                data->UncorrectableSeverity2);
        printf("\tSecondory Advanced Capabilities Register=0x%x\n",
                data->AdvancedCapabilities2);
}

static void
acpi_print_hest_generic(ACPI_HEST_GENERIC *data)
{
        acpi_print_hest_header(&data->Header);
        if (data->RelatedSourceId != 0xffff)
                printf("\tRelated SourceId=%d\n", data->RelatedSourceId);
        printf("\tEnabled={%s}\n", data->Enabled ? "YES" : "NO");
        printf("\tNumber of Records to pre-allocate=%u\n",
                data->RecordsToPreallocate);
        printf("\tMax Sections per Record=%u\n", data->MaxSectionsPerRecord);
        printf("\tMax Raw Data Length=%u\n", data->MaxRawDataLength);
        printf("\tError Status Address=");
        acpi_print_gas(&data->ErrorStatusAddress);
        printf("\n");
        acpi_print_hest_notify(&data->Notify);
        printf("\tError Block Length=%u\n", data->ErrorBlockLength);
}

static void
acpi_print_hest_generic_v2(ACPI_HEST_GENERIC_V2 *data)
{

        /* The first 64 bytes are the same as ACPI_HEST_GENERIC */
        acpi_print_hest_generic((ACPI_HEST_GENERIC *)data);

        printf("\tError Status Address");
        acpi_print_gas(&data->ReadAckRegister);
        printf("\n\tRead Ack Preserve=0x%016jx\n",
            (uintmax_t)data->ReadAckPreserve);
        printf("\tRead Ack Write=0x%016jx\n",
            (uintmax_t)data->ReadAckWrite);
}

static void
acpi_handle_hest(ACPI_TABLE_HEADER *sdp)
{
        ACPI_TABLE_HEST *hest;
        ACPI_HEST_HEADER *subhest;
        uint32_t i, pos;

        printf(BEGIN_COMMENT);
        acpi_print_sdt(sdp);
        hest = (ACPI_TABLE_HEST *)sdp;

        printf("\tError Source Count=%d\n", hest->ErrorSourceCount);
        pos = sizeof(ACPI_TABLE_HEST);
        for (i = 0; i < hest->ErrorSourceCount; i++) {
                subhest = (ACPI_HEST_HEADER *)((char *)hest + pos);
                printf("\n");

                switch (subhest->Type) {
                case ACPI_HEST_TYPE_IA32_CHECK:
                        acpi_print_hest_ia32_check(
                                (ACPI_HEST_IA_MACHINE_CHECK *)subhest);
                        pos += sizeof(ACPI_HEST_IA_MACHINE_CHECK);
                        break;

                case ACPI_HEST_TYPE_IA32_CORRECTED_CHECK:
                        acpi_print_hest_ia32_correctedcheck(
                                (ACPI_HEST_IA_CORRECTED *)subhest);
                        pos += sizeof(ACPI_HEST_IA_CORRECTED);
                        break;

                case ACPI_HEST_TYPE_IA32_NMI:
                        acpi_print_hest_ia32_nmi(
                                (ACPI_HEST_IA_NMI *)subhest);
                        pos += sizeof(ACPI_HEST_IA_NMI);
                        break;

                case ACPI_HEST_TYPE_NOT_USED3:
                case ACPI_HEST_TYPE_NOT_USED4:
                case ACPI_HEST_TYPE_NOT_USED5:
                        pos += sizeof(ACPI_HEST_HEADER);
                        break;

                case ACPI_HEST_TYPE_AER_ROOT_PORT:
                        acpi_print_hest_aer_root((ACPI_HEST_AER_ROOT *)subhest);
                        pos += sizeof(ACPI_HEST_AER_ROOT);
                        break;

                case ACPI_HEST_TYPE_AER_ENDPOINT:
                        acpi_print_hest_aer_endpoint((ACPI_HEST_AER *)subhest);
                        pos += sizeof(ACPI_HEST_AER);
                        break;

                case ACPI_HEST_TYPE_AER_BRIDGE:
                        acpi_print_hest_aer_bridge((ACPI_HEST_AER_BRIDGE *)subhest);
                        pos += sizeof(ACPI_HEST_AER_BRIDGE);
                        break;

                case ACPI_HEST_TYPE_GENERIC_ERROR:
                        acpi_print_hest_generic((ACPI_HEST_GENERIC *)subhest);
                        pos += sizeof(ACPI_HEST_GENERIC);
                        break;

                case ACPI_HEST_TYPE_GENERIC_ERROR_V2:
                        acpi_print_hest_generic_v2(
                                (ACPI_HEST_GENERIC_V2 *)subhest);
                        pos += sizeof(ACPI_HEST_GENERIC_V2);
                        break;

                case ACPI_HEST_TYPE_RESERVED:
                default:
                        pos += sizeof(ACPI_HEST_HEADER);
                        break;
                }
        }

        printf(END_COMMENT);
}

static uint64_t
acpi_select_address(uint32_t addr32, uint64_t addr64)
{

        if (addr64 == 0)
                return addr32;

        if ((addr32 != 0) && ((addr64 & 0xfffffff) != addr32)) {
                /*
                 * A few systems (e.g., IBM T23) have an RSDP that claims
                 * revision 2 but the 64 bit addresses are invalid.  If
                 * revision 2 and the 32 bit address is non-zero but the
                 * 32 and 64 bit versions don't match, prefer the 32 bit
                 * version for all subsequent tables.
                 */
                return addr32;
        }

        return addr64;
}

static void
acpi_handle_fadt(ACPI_TABLE_HEADER *sdp)
{
        ACPI_TABLE_HEADER *dsdp;
        ACPI_TABLE_FACS *facs;
        ACPI_TABLE_FADT *fadt;

        fadt = (ACPI_TABLE_FADT *)sdp;
        acpi_print_fadt(sdp);

        if (acpi_select_address(fadt->Facs, fadt->XFacs) == 0) {
                if ((fadt->Flags & ACPI_FADT_HW_REDUCED) == 0)
                        errx(EXIT_FAILURE, "Missing FACS and HW_REDUCED_ACPI flag not set in FADT");
        } else if ((fadt->Flags & ACPI_FADT_HW_REDUCED) == 0) {
                facs = (ACPI_TABLE_FACS *)acpi_map_sdt(
                        acpi_select_address(fadt->Facs, fadt->XFacs));
                if (memcmp(facs->Signature, ACPI_SIG_FACS, 4) != 0 || facs->Length < 64)
                        errx(EXIT_FAILURE, "FACS is corrupt");
                acpi_print_facs(facs);
        }

        dsdp = (ACPI_TABLE_HEADER *)acpi_map_sdt(
                acpi_select_address(fadt->Dsdt, fadt->XDsdt));
        if (memcmp(dsdp->Signature, ACPI_SIG_DSDT, 4) != 0)
                errx(EXIT_FAILURE, "DSDT signature mismatch");
        if (acpi_checksum(dsdp, dsdp->Length))
                errx(EXIT_FAILURE, "DSDT is corrupt");
        acpi_print_dsdt(dsdp);
}

static void
acpi_walk_subtables(ACPI_TABLE_HEADER *table, void *first,
    void (*action)(ACPI_SUBTABLE_HEADER *))
{
        ACPI_SUBTABLE_HEADER *subtable;
        char *end;

        subtable = first;
        end = (char *)table + table->Length;
        while ((char *)subtable < end) {
                printf("\n");
                if (subtable->Length < sizeof(ACPI_SUBTABLE_HEADER)) {
                        warnx("invalid subtable length %u", subtable->Length);
                        return;
                }
                action(subtable);
                subtable = (ACPI_SUBTABLE_HEADER *)((char *)subtable +
                    subtable->Length);
        }
}

static void
acpi_walk_nfit(ACPI_TABLE_HEADER *table, void *first,
    void (*action)(ACPI_NFIT_HEADER *))
{
        ACPI_NFIT_HEADER *subtable;
        char *end;

        subtable = first;
        end = (char *)table + table->Length;
        while ((char *)subtable < end) {
                printf("\n");
                if (subtable->Length < sizeof(ACPI_NFIT_HEADER)) {
                        warnx("invalid subtable length %u", subtable->Length);
                        return;
                }
                action(subtable);
                subtable = (ACPI_NFIT_HEADER *)((char *)subtable +
                    subtable->Length);
        }
}

static void
acpi_print_cpu(u_char cpu_id)
{

        printf("\tACPI CPU=");
        if (cpu_id == 0xff)
                printf("ALL\n");
        else
                printf("%d\n", (u_int)cpu_id);
}

static void
acpi_print_cpu_uid(uint32_t uid, char *uid_string)
{

        printf("\tUID=%d", uid);
        if (uid_string != NULL)
                printf(" (%s)", uid_string);
        printf("\n");
}

static void
acpi_print_local_apic(uint32_t apic_id, uint32_t flags)
{

        printf("\tFlags={");
        if (flags & ACPI_MADT_ENABLED)
                printf("ENABLED");
        else
                printf("DISABLED");
        printf("}\n");
        printf("\tAPIC ID=%d\n", apic_id);
}

static void
acpi_print_io_apic(uint32_t apic_id, uint32_t int_base, uint64_t apic_addr)
{

        printf("\tAPIC ID=%d\n", apic_id);
        printf("\tINT BASE=%d\n", int_base);
        printf("\tADDR=0x%016jx\n", (uintmax_t)apic_addr);
}

static void
acpi_print_mps_flags(uint16_t flags)
{

        printf("\tFlags={Polarity=");
        switch (flags & ACPI_MADT_POLARITY_MASK) {
        case ACPI_MADT_POLARITY_CONFORMS:
                printf("conforming");
                break;
        case ACPI_MADT_POLARITY_ACTIVE_HIGH:
                printf("active-hi");
                break;
        case ACPI_MADT_POLARITY_ACTIVE_LOW:
                printf("active-lo");
                break;
        default:
                printf("0x%x", flags & ACPI_MADT_POLARITY_MASK);
                break;
        }
        printf(", Trigger=");
        switch (flags & ACPI_MADT_TRIGGER_MASK) {
        case ACPI_MADT_TRIGGER_CONFORMS:
                printf("conforming");
                break;
        case ACPI_MADT_TRIGGER_EDGE:
                printf("edge");
                break;
        case ACPI_MADT_TRIGGER_LEVEL:
                printf("level");
                break;
        default:
                printf("0x%x", (flags & ACPI_MADT_TRIGGER_MASK) >> 2);
        }
        printf("}\n");
}

static void
acpi_print_gicc_flags(uint32_t flags)
{

        printf("\tFlags={");
        if (flags & ACPI_MADT_ENABLED)
                printf("enabled");
        else
                printf("disabled");
        printf(", Performance intr=");
        if (flags & ACPI_MADT_PERFORMANCE_IRQ_MODE)
                printf("edge");
        else
                printf("level");
        printf(", VGIC intr=");
        if (flags & ACPI_MADT_VGIC_IRQ_MODE)
                printf("edge");
        else
                printf("level");
        printf("}\n");
}

static void
acpi_print_intr(uint32_t intr, uint16_t mps_flags)
{

        printf("\tINTR=%d\n", intr);
        acpi_print_mps_flags(mps_flags);
}

static void
acpi_print_local_nmi(u_int local_int, uint16_t mps_flags)
{

        printf("\tLINT Pin=%d\n", local_int);
        acpi_print_mps_flags(mps_flags);
}

static const char *apic_types[] = {
    [ACPI_MADT_TYPE_LOCAL_APIC] = "Local APIC",
    [ACPI_MADT_TYPE_IO_APIC] = "IO APIC",
    [ACPI_MADT_TYPE_INTERRUPT_OVERRIDE] = "INT Override",
    [ACPI_MADT_TYPE_NMI_SOURCE] = "NMI",
    [ACPI_MADT_TYPE_LOCAL_APIC_NMI] = "Local APIC NMI",
    [ACPI_MADT_TYPE_LOCAL_APIC_OVERRIDE] = "Local APIC Override",
    [ACPI_MADT_TYPE_IO_SAPIC] = "IO SAPIC",
    [ACPI_MADT_TYPE_LOCAL_SAPIC] = "Local SAPIC",
    [ACPI_MADT_TYPE_INTERRUPT_SOURCE] = "Platform Interrupt",
    [ACPI_MADT_TYPE_LOCAL_X2APIC] = "Local X2APIC",
    [ACPI_MADT_TYPE_LOCAL_X2APIC_NMI] = "Local X2APIC NMI",
    [ACPI_MADT_TYPE_GENERIC_INTERRUPT] = "GIC CPU Interface Structure",
    [ACPI_MADT_TYPE_GENERIC_DISTRIBUTOR] = "GIC Distributor Structure",
    [ACPI_MADT_TYPE_GENERIC_MSI_FRAME] = "GICv2m MSI Frame",
    [ACPI_MADT_TYPE_GENERIC_REDISTRIBUTOR] = "GIC Redistributor Structure",
    [ACPI_MADT_TYPE_GENERIC_TRANSLATOR] = "GIC ITS Structure"
};

static const char *platform_int_types[] = { "0 (unknown)", "PMI", "INIT",
                                            "Corrected Platform Error" };

static void
acpi_print_gicm_flags(ACPI_MADT_GENERIC_MSI_FRAME *gicm)
{
        uint32_t flags = gicm->Flags;

        printf("\tFLAGS={");
        if (flags & ACPI_MADT_OVERRIDE_SPI_VALUES)
                printf("SPI Count/Base Select");
        printf("}\n");
}

static void
acpi_print_madt(ACPI_SUBTABLE_HEADER *mp)
{
        ACPI_MADT_LOCAL_APIC *lapic;
        ACPI_MADT_IO_APIC *ioapic;
        ACPI_MADT_INTERRUPT_OVERRIDE *over;
        ACPI_MADT_NMI_SOURCE *nmi;
        ACPI_MADT_LOCAL_APIC_NMI *lapic_nmi;
        ACPI_MADT_LOCAL_APIC_OVERRIDE *lapic_over;
        ACPI_MADT_IO_SAPIC *iosapic;
        ACPI_MADT_LOCAL_SAPIC *lsapic;
        ACPI_MADT_INTERRUPT_SOURCE *isrc;
        ACPI_MADT_LOCAL_X2APIC *x2apic;
        ACPI_MADT_LOCAL_X2APIC_NMI *x2apic_nmi;
        ACPI_MADT_GENERIC_INTERRUPT *gicc;
        ACPI_MADT_GENERIC_DISTRIBUTOR *gicd;
        ACPI_MADT_GENERIC_MSI_FRAME *gicm;
        ACPI_MADT_GENERIC_REDISTRIBUTOR *gicr;
        ACPI_MADT_GENERIC_TRANSLATOR *gict;

        if (mp->Type < __arraycount(apic_types))
                printf("\tType=%s\n", apic_types[mp->Type]);
        else
                printf("\tType=%d (unknown)\n", mp->Type);
        switch (mp->Type) {
        case ACPI_MADT_TYPE_LOCAL_APIC:
                lapic = (ACPI_MADT_LOCAL_APIC *)mp;
                acpi_print_cpu(lapic->ProcessorId);
                acpi_print_local_apic(lapic->Id, lapic->LapicFlags);
                break;
        case ACPI_MADT_TYPE_IO_APIC:
                ioapic = (ACPI_MADT_IO_APIC *)mp;
                acpi_print_io_apic(ioapic->Id, ioapic->GlobalIrqBase,
                    ioapic->Address);
                break;
        case ACPI_MADT_TYPE_INTERRUPT_OVERRIDE:
                over = (ACPI_MADT_INTERRUPT_OVERRIDE *)mp;
                printf("\tBUS=%d\n", (u_int)over->Bus);
                printf("\tIRQ=%d\n", (u_int)over->SourceIrq);
                acpi_print_intr(over->GlobalIrq, over->IntiFlags);
                break;
        case ACPI_MADT_TYPE_NMI_SOURCE:
                nmi = (ACPI_MADT_NMI_SOURCE *)mp;
                acpi_print_intr(nmi->GlobalIrq, nmi->IntiFlags);
                break;
        case ACPI_MADT_TYPE_LOCAL_APIC_NMI:
                lapic_nmi = (ACPI_MADT_LOCAL_APIC_NMI *)mp;
                acpi_print_cpu(lapic_nmi->ProcessorId);
                acpi_print_local_nmi(lapic_nmi->Lint, lapic_nmi->IntiFlags);
                break;
        case ACPI_MADT_TYPE_LOCAL_APIC_OVERRIDE:
                lapic_over = (ACPI_MADT_LOCAL_APIC_OVERRIDE *)mp;
                printf("\tLocal APIC ADDR=0x%016jx\n",
                    (uintmax_t)lapic_over->Address);
                break;
        case ACPI_MADT_TYPE_IO_SAPIC:
                iosapic = (ACPI_MADT_IO_SAPIC *)mp;
                acpi_print_io_apic(iosapic->Id, iosapic->GlobalIrqBase,
                    iosapic->Address);
                break;
        case ACPI_MADT_TYPE_LOCAL_SAPIC:
                lsapic = (ACPI_MADT_LOCAL_SAPIC *)mp;
                acpi_print_cpu(lsapic->ProcessorId);
                acpi_print_local_apic(lsapic->Id, lsapic->LapicFlags);
                printf("\tAPIC EID=%d\n", (u_int)lsapic->Eid);
                if (mp->Length > offsetof(ACPI_MADT_LOCAL_SAPIC, Uid))
                        acpi_print_cpu_uid(lsapic->Uid, lsapic->UidString);
                break;
        case ACPI_MADT_TYPE_INTERRUPT_SOURCE:
                isrc = (ACPI_MADT_INTERRUPT_SOURCE *)mp;
                if (isrc->Type < __arraycount(platform_int_types))
                        printf("\tType=%s\n", platform_int_types[isrc->Type]);
                else
                        printf("\tType=%d (unknown)\n", isrc->Type);
                printf("\tAPIC ID=%d\n", (u_int)isrc->Id);
                printf("\tAPIC EID=%d\n", (u_int)isrc->Eid);
                printf("\tSAPIC Vector=%d\n", (u_int)isrc->IoSapicVector);
                acpi_print_intr(isrc->GlobalIrq, isrc->IntiFlags);
                break;
        case ACPI_MADT_TYPE_LOCAL_X2APIC:
                x2apic = (ACPI_MADT_LOCAL_X2APIC *)mp;
                acpi_print_cpu_uid(x2apic->Uid, NULL);
                acpi_print_local_apic(x2apic->LocalApicId, x2apic->LapicFlags);
                break;
        case ACPI_MADT_TYPE_LOCAL_X2APIC_NMI:
                x2apic_nmi = (ACPI_MADT_LOCAL_X2APIC_NMI *)mp;
                acpi_print_cpu_uid(x2apic_nmi->Uid, NULL);
                acpi_print_local_nmi(x2apic_nmi->Lint, x2apic_nmi->IntiFlags);
                break;
        case ACPI_MADT_TYPE_GENERIC_INTERRUPT:
                gicc = (ACPI_MADT_GENERIC_INTERRUPT *)mp;
                acpi_print_cpu_uid(gicc->Uid, NULL);
                printf("\tCPU INTERFACE=%x\n", gicc->CpuInterfaceNumber);
                acpi_print_gicc_flags(gicc->Flags);
                printf("\tParking Protocol Version=%x\n", gicc->ParkingVersion);
                printf("\tPERF INTR=%d\n", gicc->PerformanceInterrupt);
                printf("\tParked ADDR=%016jx\n",
                    (uintmax_t)gicc->ParkedAddress);
                printf("\tBase ADDR=%016jx\n", (uintmax_t)gicc->BaseAddress);
                printf("\tGICV=%016jx\n", (uintmax_t)gicc->GicvBaseAddress);
                printf("\tGICH=%016jx\n", (uintmax_t)gicc->GichBaseAddress);
                printf("\tVGIC INTR=%d\n", gicc->VgicInterrupt);
                printf("\tGICR ADDR=%016jx\n",
                    (uintmax_t)gicc->GicrBaseAddress);
                printf("\tMPIDR=%jx\n", (uintmax_t)gicc->ArmMpidr);
                printf("\tEfficiency Class=%d\n", (u_int)gicc->EfficiencyClass);
                break;
        case ACPI_MADT_TYPE_GENERIC_DISTRIBUTOR:
                gicd = (ACPI_MADT_GENERIC_DISTRIBUTOR *)mp;
                printf("\tGIC ID=%d\n", (u_int)gicd->GicId);
                printf("\tBase ADDR=%016jx\n", (uintmax_t)gicd->BaseAddress);
                printf("\tVector Base=%d\n", gicd->GlobalIrqBase);
                printf("\tGIC VERSION=%d\n", (u_int)gicd->Version);
                break;
        case ACPI_MADT_TYPE_GENERIC_MSI_FRAME:
                gicm = (ACPI_MADT_GENERIC_MSI_FRAME*)mp;
                printf("\tBase ADDR=%016jx\n", (uintmax_t)gicm->BaseAddress);
                acpi_print_gicm_flags(gicm);
                printf("\tSPI Count=%u\n", gicm->SpiCount);
                printf("\tSPI Base=%u\n", gicm->SpiBase);
                break;
        case ACPI_MADT_TYPE_GENERIC_REDISTRIBUTOR:
                gicr = (ACPI_MADT_GENERIC_REDISTRIBUTOR *)mp;
                printf("\tBase ADDR=%016jx\n", (uintmax_t)gicr->BaseAddress);
                printf("\tLength=%08x\n", gicr->Length);
                break;
        case ACPI_MADT_TYPE_GENERIC_TRANSLATOR:
                gict = (ACPI_MADT_GENERIC_TRANSLATOR *)mp;
                printf("\tGIC ITS ID=%d\n", gict->TranslationId);
                printf("\tBase ADDR=%016jx\n", (uintmax_t)gict->BaseAddress);
                break;
        }
}

#ifdef notyet
static void
acpi_print_bert_region(ACPI_BERT_REGION *region)
{
        uint32_t i, pos, entries;
        ACPI_HEST_GENERIC_DATA *data;

        printf("\n");
        printf("\tBlockStatus={ ");

        if (region->BlockStatus & ACPI_BERT_UNCORRECTABLE)
                printf("Uncorrectable");
        if (region->BlockStatus & ACPI_BERT_CORRECTABLE)
                printf("Correctable");
        if (region->BlockStatus & ACPI_BERT_MULTIPLE_UNCORRECTABLE)
                printf("Multiple Uncorrectable");
        if (region->BlockStatus & ACPI_BERT_MULTIPLE_CORRECTABLE)
                printf("Multiple Correctable");
        entries = region->BlockStatus & ACPI_BERT_ERROR_ENTRY_COUNT;
        printf(", Error Entry Count=%d", entries);
        printf("}\n");

        printf("\tRaw Data Offset=0x%x\n", region->RawDataOffset);
        printf("\tRaw Data Length=0x%x\n", region->RawDataLength);
        printf("\tData Length=0x%x\n", region->DataLength);

        acpi_print_hest_errorseverity(region->ErrorSeverity);

        pos = sizeof(ACPI_BERT_REGION);
        for (i = 0; i < entries; i++) {
                data = (ACPI_HEST_GENERIC_DATA *)((char *)region + pos);
                acpi_print_hest_generic_data(data);
                pos += sizeof(ACPI_HEST_GENERIC_DATA);
        }
}
#endif

static void
acpi_handle_bert(ACPI_TABLE_HEADER *sdp)
{
        ACPI_TABLE_BERT *bert;

        printf(BEGIN_COMMENT);
        acpi_print_sdt(sdp);
        bert = (ACPI_TABLE_BERT *)sdp;

        printf("\tLength of Boot Error Region=%d bytes\n", bert->RegionLength);
        printf("\tPhysical Address of Region=0x%"PRIx64"\n", bert->Address);

        printf(END_COMMENT);
}

static void
acpi_handle_bgrt(ACPI_TABLE_HEADER *sdp)
{
        ACPI_TABLE_BGRT *bgrt;
        unsigned int degree;

        printf(BEGIN_COMMENT);
        acpi_print_sdt(sdp);
        bgrt = (ACPI_TABLE_BGRT *)sdp;

        printf("\tVersion=%hu\n", bgrt->Version);
        degree = ((unsigned int)(bgrt->Status & ACPI_BGRT_ORIENTATION_OFFSET)
            >> 1) * 90;
        printf("\tDegree=%u\n", degree);
        printf("\tDisplayed=%u\n", bgrt->Status & ACPI_BGRT_DISPLAYED);
        printf("\tImage Type=");
        switch (bgrt->ImageType) {
        case 0:
                printf("Bitmap\n");
                break;
        default:
                printf("reserved (0x%hhx)\n", bgrt->ImageType);
                break;
        }
        printf("\tImage Address=0x%"PRIx64"\n", bgrt->ImageAddress);
        printf("\tImage Offset X=0x%08x\n", bgrt->ImageOffsetX);
        printf("\tImage Offset Y=0x%08x\n", bgrt->ImageOffsetY);

        printf(END_COMMENT);
}

static void
acpi_handle_boot(ACPI_TABLE_HEADER *sdp)
{
        ACPI_TABLE_BOOT *boot;

        printf(BEGIN_COMMENT);
        acpi_print_sdt(sdp);
        boot = (ACPI_TABLE_BOOT *)sdp;
        printf("\tCMOS Index=0x%02x\n", boot->CmosIndex);
        printf(END_COMMENT);
}

static void
acpi_handle_cpep(ACPI_TABLE_HEADER *sdp)
{
        ACPI_TABLE_CPEP *cpep;
        ACPI_CPEP_POLLING *poll;
        uint32_t cpep_pos;

        printf(BEGIN_COMMENT);
        acpi_print_sdt(sdp);
        cpep = (ACPI_TABLE_CPEP *)sdp;

        cpep_pos = sizeof(ACPI_TABLE_CPEP);
        while (cpep_pos < sdp->Length) {
                poll = (ACPI_CPEP_POLLING *)((char *)cpep + cpep_pos);
                acpi_print_cpu(poll->Id);
                printf("\tACPI CPU EId=%d\n", poll->Eid);
                printf("\tPoll Interval=%d msec\n", poll->Interval);
                cpep_pos += sizeof(ACPI_CPEP_POLLING);
        }
        printf(END_COMMENT);
}

static void
acpi_print_csrt_resource_group(ACPI_CSRT_GROUP *grp)
{
        ACPI_CSRT_DESCRIPTOR *desc;

        printf("\tLength=%u\n", grp->Length);
        printf("\tVendorId=");
        acpi_print_string((char *)&grp->VendorId, 4);
        printf("\n");
        if (grp->SubvendorId != 0) {
                printf("\tSubvendorId=");
                acpi_print_string((char *)&grp->SubvendorId, 4);
                printf("\n");
        }
        printf("\tDeviceId=0x%08x\n", grp->DeviceId);
        if (grp->SubdeviceId != 0)
                printf("\tSubdeviceId=0x%08x\n", grp->SubdeviceId);
        printf("\tRevision=%hu\n", grp->Revision);
        printf("\tSharedInfoLength=%u\n", grp->SharedInfoLength);

        /* Next is Shared Info */
        if (grp->SharedInfoLength != 0) {
                printf("\tShared Info ");
                acpi_dump_bytes((uint8_t *)(grp + 1),
                    grp->SharedInfoLength, 1);
        }

        /* And then, Resource Descriptors */
        desc = (ACPI_CSRT_DESCRIPTOR *)
            ((vaddr_t)(grp + 1) + grp->SharedInfoLength);
        while (desc < (ACPI_CSRT_DESCRIPTOR *)((vaddr_t)grp + grp->Length)) {
                bool unknownsubytpe = false;
                printf("\n\tLength=%u\n", desc->Length);
                printf("\tResource Type=");
                switch (desc->Type) {
                case ACPI_CSRT_TYPE_INTERRUPT:
                        printf("Interrupt");
                        switch (desc->Subtype) {
                        case ACPI_CSRT_XRUPT_LINE:
                                printf("(Interrupt line)\n");
                                break;
                        case ACPI_CSRT_XRUPT_CONTROLLER:
                                printf("(Interrupt controller)\n");
                                break;
                        default:
                                unknownsubytpe = true;
                                break;
                        }
                        break;
                case ACPI_CSRT_TYPE_TIMER:
                        printf("Timer");
                        switch (desc->Subtype) {
                        case ACPI_CSRT_TIMER:
                                printf("\n");
                                break;
                        default:
                                unknownsubytpe = true;
                                break;
                        }
                        break;
                case ACPI_CSRT_TYPE_DMA:
                        printf("DMA");
                        switch (desc->Subtype) {
                        case ACPI_CSRT_DMA_CHANNEL:
                                printf("(DMA channel)\n");
                                break;
                        case ACPI_CSRT_DMA_CONTROLLER:
                                printf("(DMA controller)\n");
                                break;
                        default:
                                unknownsubytpe = true;
                                break;
                        }
                        break;
                case 0x0004: /* XXX Platform Security */
                        printf("Platform Security");
                        switch (desc->Subtype) {
                        case 0x0001:
                                printf("\n");
                                /* Platform Security */
                                break;
                        default:
                                unknownsubytpe = true;
                                break;
                        }
                        break;
                default:
                        printf("Unknown (%hx)\n", desc->Type);
                        break;
                }
                if (unknownsubytpe)
                        printf("(unknown subtype(%hx))\n", desc->Subtype);

                printf("\tUID=0x%08x\n", desc->Uid);
                printf("\tVendor defined info ");
                acpi_dump_bytes((uint8_t *)(desc + 1),
                    desc->Length - sizeof(ACPI_CSRT_DESCRIPTOR), 1);

                /* Next */
                desc = (ACPI_CSRT_DESCRIPTOR *)((vaddr_t)desc + desc->Length);
        }
}

static void
acpi_handle_csrt(ACPI_TABLE_HEADER *sdp)
{
        ACPI_CSRT_GROUP *grp;
        uint totallen = sdp->Length;

        printf(BEGIN_COMMENT);
        acpi_print_sdt(sdp);
        grp = (ACPI_CSRT_GROUP *)(sdp + 1);

        while (grp < (ACPI_CSRT_GROUP *)((vaddr_t)sdp + totallen)) {
                printf("\n");
                acpi_print_csrt_resource_group(grp);

                /* Next */
                grp = (ACPI_CSRT_GROUP *)((vaddr_t)grp + grp->Length);
        }

        printf(END_COMMENT);
}

static void
acpi_handle_dbgp(ACPI_TABLE_HEADER *sdp)
{
        ACPI_TABLE_DBGP *dbgp;

        printf(BEGIN_COMMENT);
        acpi_print_sdt(sdp);
        dbgp = (ACPI_TABLE_DBGP *)sdp;
        printf("\tType={");
        switch (dbgp->Type) {
        case 0:
                printf("full 16550");
                break;
        case 1:
                printf("subset of 16550");
                break;
        }
        printf("}\n");
        printf("\tDebugPort=");
        acpi_print_gas(&dbgp->DebugPort);
        printf("\n");
        printf(END_COMMENT);
}

/* This function is used by DBG2 and SPCR. */
static void
acpi_print_dbg2_serial_subtype(uint16_t subtype)
{

        switch (subtype) {
        case ACPI_DBG2_16550_COMPATIBLE:
                printf("Fully 16550 compatible\n");
                break;
        case ACPI_DBG2_16550_SUBSET:
                printf("16550 subset with DBGP Rev. 1\n");
                break;
        case ACPI_DBG2_ARM_PL011:
                printf("ARM PL011\n");
                break;
        case ACPI_DBG2_ARM_SBSA_32BIT:
                printf("ARM SBSA 32bit only\n");
                break;
        case ACPI_DBG2_ARM_SBSA_GENERIC:
                printf("ARM SBSA Generic\n");
                break;
        case ACPI_DBG2_ARM_DCC:
                printf("ARM DCC\n");
                break;
        case ACPI_DBG2_BCM2835:
                printf("BCM2835\n");
                break;
        default:
                printf("reserved (%04hx)\n", subtype);
                break;
        }
}

static void
acpi_print_dbg2_device(ACPI_DBG2_DEVICE *dev)
{

        printf("\t\tRevision=%u\n", dev->Revision);
        printf("\t\tLength=%u\n", dev->Length);
        printf("\t\tRegisterCount=%u\n", dev->RegisterCount);

        printf("\t\tNamepath=");
        acpi_print_string((char *)((vaddr_t)dev + dev->NamepathOffset),
            dev->NamepathLength);
        printf("\n");

        if (dev->OemDataLength) {
                printf("\t\tOemDataLength=%u\n", dev->OemDataLength);
                printf("\t\tOemDataOffset=%u\n", dev->OemDataOffset);
                /* XXX need dump */
        }

        printf("\t\tPortType=");
        switch (dev->PortType) {
        case ACPI_DBG2_SERIAL_PORT:
                printf("Serial\n" "\t\tPortSubtype=");
                acpi_print_dbg2_serial_subtype(dev->PortSubtype);
                break;
        case ACPI_DBG2_1394_PORT:
                printf("IEEE1394\n" "\t\tPortSubtype=");
                if (dev->PortSubtype == ACPI_DBG2_1394_STANDARD)
                        printf("Standard\n");
                else
                        printf("reserved (%04hx)\n", dev->PortSubtype);
                break;
        case ACPI_DBG2_USB_PORT:
                printf("USB\n" "\t\tPortSubtype=");
                switch (dev->PortSubtype) {
                case ACPI_DBG2_USB_XHCI:
                        printf("XHCIn");
                        break;
                case ACPI_DBG2_USB_EHCI:
                        printf("EHCI\n");
                        break;
                default:
                        printf("reserved (%04hx)\n", dev->PortSubtype);
                        break;
                }
                break;
        case ACPI_DBG2_NET_PORT:
                printf("Net\n" "\t\tPciVendorID=%04x\n", dev->PortSubtype);
                break;
        default:
                printf("reserved (%04hx)\n", dev->PortType);
                printf("\t\tPortSubtype=reserved (%04hx)\n", dev->PortSubtype);
                break;
        }

        printf("\t\tBaseAddressOffset=0x%04x\n", dev->BaseAddressOffset);
        printf("\t\tAddressSizeOffset=0x%04x\n", dev->AddressSizeOffset);
}

static void
acpi_handle_dbg2(ACPI_TABLE_HEADER *sdp)
{
        ACPI_TABLE_DBG2 *dbg2;
        ACPI_DBG2_DEVICE *device;
        unsigned int i;

        printf(BEGIN_COMMENT);
        acpi_print_sdt(sdp);
        dbg2 = (ACPI_TABLE_DBG2 *)sdp;

        printf("\tCount=%u\n", dbg2->InfoCount);
        device = (ACPI_DBG2_DEVICE *)((vaddr_t)sdp + dbg2->InfoOffset);
        for (i = 0; i < dbg2->InfoCount; i++) {
                printf("\tDevice %u={\n", i);
                acpi_print_dbg2_device(device);
                printf("\t}\n");
                device++;
        }

        printf(END_COMMENT);
}

static void
acpi_print_einj_action(ACPI_WHEA_HEADER *whea)
{
        printf("\tACTION={");
        switch (whea->Action) {
        case ACPI_EINJ_BEGIN_OPERATION:
                printf("Begin Operation");
                break;
        case ACPI_EINJ_GET_TRIGGER_TABLE:
                printf("Get Trigger Table");
                break;
        case ACPI_EINJ_SET_ERROR_TYPE:
                printf("Set Error Type");
                break;
        case ACPI_EINJ_GET_ERROR_TYPE:
                printf("Get Error Type");
                break;
        case ACPI_EINJ_END_OPERATION:
                printf("End Operation");
                break;
        case ACPI_EINJ_EXECUTE_OPERATION:
                printf("Execute Operation");
                break;
        case ACPI_EINJ_CHECK_BUSY_STATUS:
                printf("Check Busy Status");
                break;
        case ACPI_EINJ_GET_COMMAND_STATUS:
                printf("Get Command Status");
                break;
        case ACPI_EINJ_SET_ERROR_TYPE_WITH_ADDRESS:
                printf("Set Error Type With Address");
                break;
        case ACPI_EINJ_GET_EXECUTE_TIMINGS:
                printf("Get Execute Operation Timings");
                break;
        case ACPI_EINJ_ACTION_RESERVED:
                printf("Preserved");
                break;
        case ACPI_EINJ_TRIGGER_ERROR:
                printf("Trigger Error");
                break;
        default:
                printf("%d", whea->Action);
                break;
        }
        printf("}\n");
}

static void
acpi_print_einj_instruction(ACPI_WHEA_HEADER *whea)
{
        uint32_t ins = whea->Instruction;

        printf("\tINSTRUCTION={");
        switch (ins) {
        case ACPI_EINJ_READ_REGISTER:
                printf("Read Register");
                break;
        case ACPI_EINJ_READ_REGISTER_VALUE:
                printf("Read Register Value");
                break;
        case ACPI_EINJ_WRITE_REGISTER:
                printf("Write Register");
                break;
        case ACPI_EINJ_WRITE_REGISTER_VALUE:
                printf("Write Register Value");
                break;
        case ACPI_EINJ_NOOP:
                printf("Noop");
                break;
        case ACPI_EINJ_INSTRUCTION_RESERVED:
                printf("Reserved");
                break;
        default:
                printf("%d", ins);
                break;
        }
        printf("}\n");
}

static void
acpi_print_einj_flags(ACPI_WHEA_HEADER *whea)
{
        uint32_t flags = whea->Flags;

        printf("\tFLAGS={");
        if (flags & ACPI_EINJ_PRESERVE)
                printf("PRESERVED");
        printf("}\n");
}

static void
acpi_handle_einj(ACPI_TABLE_HEADER *sdp)
{
        ACPI_TABLE_EINJ *einj;
        ACPI_EINJ_ENTRY *einj_entry;
        uint32_t einj_pos;
        u_int i;

        printf(BEGIN_COMMENT);
        acpi_print_sdt(sdp);
        einj = (ACPI_TABLE_EINJ *)sdp;

        printf("\tHeader Length=%d\n", einj->HeaderLength);
        printf("\tFlags=0x%x\n", einj->Flags);
        printf("\tEntries=%d\n", einj->Entries);

        einj_pos = sizeof(ACPI_TABLE_EINJ);
        for (i = 0; i < einj->Entries; i++) {
                einj_entry = (ACPI_EINJ_ENTRY *)((char *)einj + einj_pos);
                acpi_print_whea(&einj_entry->WheaHeader,
                    acpi_print_einj_action, acpi_print_einj_instruction,
                    acpi_print_einj_flags);
                einj_pos += sizeof(ACPI_EINJ_ENTRY);
        }
        printf(END_COMMENT);
}

static void
acpi_print_erst_action(ACPI_WHEA_HEADER *whea)
{
        printf("\tACTION={");
        switch (whea->Action) {
        case ACPI_ERST_BEGIN_WRITE:
                printf("Begin Write");
                break;
        case ACPI_ERST_BEGIN_READ:
                printf("Begin Read");
                break;
        case ACPI_ERST_BEGIN_CLEAR:
                printf("Begin Clear");
                break;
        case ACPI_ERST_END:
                printf("End");
                break;
        case ACPI_ERST_SET_RECORD_OFFSET:
                printf("Set Record Offset");
                break;
        case ACPI_ERST_EXECUTE_OPERATION:
                printf("Execute Operation");
                break;
        case ACPI_ERST_CHECK_BUSY_STATUS:
                printf("Check Busy Status");
                break;
        case ACPI_ERST_GET_COMMAND_STATUS:
                printf("Get Command Status");
                break;
        case ACPI_ERST_GET_RECORD_ID:
                printf("Get Record ID");
                break;
        case ACPI_ERST_SET_RECORD_ID:
                printf("Set Record ID");
                break;
        case ACPI_ERST_GET_RECORD_COUNT:
                printf("Get Record Count");
                break;
        case ACPI_ERST_BEGIN_DUMMY_WRIITE:
                printf("Begin Dummy Write");
                break;
        case ACPI_ERST_NOT_USED:
                printf("Unused");
                break;
        case ACPI_ERST_GET_ERROR_RANGE:
                printf("Get Error Range");
                break;
        case ACPI_ERST_GET_ERROR_LENGTH:
                printf("Get Error Length");
                break;
        case ACPI_ERST_GET_ERROR_ATTRIBUTES:
                printf("Get Error Attributes");
                break;
        case ACPI_ERST_EXECUTE_TIMINGS:
                printf("Execute Operation Timings");
                break;
        case ACPI_ERST_ACTION_RESERVED:
                printf("Reserved");
                break;
        default:
                printf("%d", whea->Action);
                break;
        }
        printf("}\n");
}

static void
acpi_print_erst_instruction(ACPI_WHEA_HEADER *whea)
{
        printf("\tINSTRUCTION={");
        switch (whea->Instruction) {
        case ACPI_ERST_READ_REGISTER:
                printf("Read Register");
                break;
        case ACPI_ERST_READ_REGISTER_VALUE:
                printf("Read Register Value");
                break;
        case ACPI_ERST_WRITE_REGISTER:
                printf("Write Register");
                break;
        case ACPI_ERST_WRITE_REGISTER_VALUE:
                printf("Write Register Value");
                break;
        case ACPI_ERST_NOOP:
                printf("Noop");
                break;
        case ACPI_ERST_LOAD_VAR1:
                printf("Load Var1");
                break;
        case ACPI_ERST_LOAD_VAR2:
                printf("Load Var2");
                break;
        case ACPI_ERST_STORE_VAR1:
                printf("Store Var1");
                break;
        case ACPI_ERST_ADD:
                printf("Add");
                break;
        case ACPI_ERST_SUBTRACT:
                printf("Subtract");
                break;
        case ACPI_ERST_ADD_VALUE:
                printf("Add Value");
                break;
        case ACPI_ERST_SUBTRACT_VALUE:
                printf("Subtract Value");
                break;
        case ACPI_ERST_STALL:
                printf("Stall");
                break;
        case ACPI_ERST_STALL_WHILE_TRUE:
                printf("Stall While True");
                break;
        case ACPI_ERST_SKIP_NEXT_IF_TRUE:
                printf("Skip Next If True");
                break;
        case ACPI_ERST_GOTO:
                printf("Goto");
                break;
        case ACPI_ERST_SET_SRC_ADDRESS_BASE:
                printf("Set Src Address Base");
                break;
        case ACPI_ERST_SET_DST_ADDRESS_BASE:
                printf("Set Dst Address Base");
                break;
        case ACPI_ERST_MOVE_DATA:
                printf("Move Data");
                break;
        case ACPI_ERST_INSTRUCTION_RESERVED:
                printf("Reserved");
                break;
        default:
                printf("%d (reserved)", whea->Instruction);
                break;
        }
        printf("}\n");
}

static void
acpi_print_erst_flags(ACPI_WHEA_HEADER *whea)
{
        uint32_t flags = whea->Flags;

        printf("\tFLAGS={");
        if (flags & ACPI_ERST_PRESERVE)
                printf("PRESERVED");
        printf("}\n");
}

static void
acpi_handle_erst(ACPI_TABLE_HEADER *sdp)
{
        ACPI_TABLE_ERST *erst;
        ACPI_ERST_ENTRY *erst_entry;
        uint32_t erst_pos;
        u_int i;

        printf(BEGIN_COMMENT);
        acpi_print_sdt(sdp);
        erst = (ACPI_TABLE_ERST *)sdp;

        printf("\tHeader Length=%d\n", erst->HeaderLength);
        printf("\tEntries=%d\n", erst->Entries);

        erst_pos = sizeof(ACPI_TABLE_ERST);
        for (i = 0; i < erst->Entries; i++) {
                erst_entry = (ACPI_ERST_ENTRY *)((char *)erst + erst_pos);
                acpi_print_whea(&erst_entry->WheaHeader,
                    acpi_print_erst_action, acpi_print_erst_instruction,
                    acpi_print_erst_flags);
                erst_pos += sizeof(ACPI_ERST_ENTRY);
        }
        printf(END_COMMENT);
}

static void
acpi_print_gtd_timer(const char *name, uint32_t interrupt, uint32_t flags)
{

        printf("\t%s Timer GSIV=%d\n", name, interrupt);
        printf("\t%s Flags={Mode=", name);
        if (flags & ACPI_GTDT_INTERRUPT_MODE)
                printf("edge");
        else
                printf("level");
        printf(", Polarity=");
        if (flags & ACPI_GTDT_INTERRUPT_POLARITY)
                printf("active-lo");
        else
                printf("active-hi");
        if (flags & ACPI_GTDT_ALWAYS_ON)
                printf(", always-on");
        printf("}\n");
}

static void
acpi_print_gtd_block_timer_flags(const char *name, uint32_t interrupt,
    uint32_t flags)
{

        printf("\t\t%s Timer GSIV=%d\n", name, interrupt);
        printf("\t\t%s Timer Flags={Mode=", name);
        if (flags & ACPI_GTDT_GT_IRQ_MODE)
                printf("Secure");
        else
                printf("Non-Secure");
        printf(", Polarity=");
        if (flags & ACPI_GTDT_GT_IRQ_POLARITY)
                printf("active-lo");
        else
                printf("active-hi");
        printf("}\n");
}

static void
acpi_print_gtblock(ACPI_GTDT_TIMER_BLOCK *gtblock)
{
        ACPI_GTDT_TIMER_ENTRY *entry;
        unsigned int i;
        
        printf("\tType=GT Block\n");
        printf("\tLength=%d\n", gtblock->Header.Length);
        /* XXX might not 8byte aligned */
        printf("\tBlockAddress=%016jx\n",
            (uintmax_t)gtblock->BlockAddress);

        printf("\tGT Block Timer Count=%d\n", gtblock->TimerCount);
        entry = (ACPI_GTDT_TIMER_ENTRY *)((vaddr_t)gtblock
            + gtblock->TimerOffset);
        for (i = 0; i < gtblock->TimerCount; i++) {
                printf("\n");
                if (entry >= (ACPI_GTDT_TIMER_ENTRY *)((vaddr_t)gtblock
                    + gtblock->Header.Length)) {
                        printf("\\ttWrong Timer entry\n");
                        break;
                }
                printf("\t\tFrame Number=%d\n", entry->FrameNumber);
                /* XXX might not 8byte aligned */
                printf("\t\tBaseAddress=%016jx\n",
                    (uintmax_t)entry->BaseAddress);
                /* XXX might not 8byte aligned */
                printf("\t\tEl0BaseAddress=%016jx\n",
                    (uintmax_t)entry->El0BaseAddress);

                acpi_print_gtd_block_timer_flags("Physical",
                    entry->TimerInterrupt, entry->TimerFlags);
                acpi_print_gtd_block_timer_flags("Virtual",
                    entry->VirtualTimerInterrupt, entry->VirtualTimerFlags);

                printf("\t\tCommon Flags={Mode=");
                if (entry->CommonFlags & ACPI_GTDT_GT_IS_SECURE_TIMER)
                        printf("Secure");
                else
                        printf("Non-Secure");
                if (entry->CommonFlags & ACPI_GTDT_GT_ALWAYS_ON)
                        printf(", always-on");
                printf("}\n");

                entry++;
        }
}

static void
acpi_print_sbsa_watchdog(ACPI_GTDT_WATCHDOG *wdog)
{
        
        printf("\tType=Watchdog GT\n");
        printf("\tLength=%d\n", wdog->Header.Length);
        /* XXX might not 8byte aligned */
        printf("\tRefreshFrameAddress=%016jx\n",
            (uintmax_t)wdog->RefreshFrameAddress);
        /* XXX might not 8byte aligned */
        printf("\tControlFrameAddress=%016jx\n",
            (uintmax_t)wdog->ControlFrameAddress);
        printf("\tGSIV=%d\n", wdog->TimerInterrupt);

        printf("\tFlags={Mode=");
        if (wdog->TimerFlags & ACPI_GTDT_WATCHDOG_IRQ_MODE)
                printf("edge");
        else
                printf("level");
        printf(", Polarity=");
        if (wdog->TimerFlags & ACPI_GTDT_WATCHDOG_IRQ_POLARITY)
                printf("active-lo");
        else
                printf("active-hi");
        if (wdog->TimerFlags & ACPI_GTDT_WATCHDOG_SECURE)
                printf(", Secure");
        else
                printf(", Non-Secure");
        printf("}\n");
}

static void
acpi_handle_gtdt(ACPI_TABLE_HEADER *sdp)
{
        ACPI_TABLE_GTDT *gtdt;
        ACPI_GTDT_HEADER *hdr;
        u_int i;

        printf(BEGIN_COMMENT);
        acpi_print_sdt(sdp);
        gtdt = (ACPI_TABLE_GTDT *)sdp;

        printf("\tCounterBlockAddresss=%016jx\n",
            (uintmax_t)gtdt->CounterBlockAddresss); /* XXX not 8byte aligned */
        printf("\tCounterReadBlockAddress=%016jx\n",
            (uintmax_t)gtdt->CounterReadBlockAddress);

#define PRINTTIMER(gtdt, name) acpi_print_gtd_timer(    \
                #name, (gtdt)-> name## Interrupt,       \
        (gtdt)-> name ## Flags)

        PRINTTIMER(gtdt, SecureEl1);
        PRINTTIMER(gtdt, NonSecureEl1);
        PRINTTIMER(gtdt, VirtualTimer);
        PRINTTIMER(gtdt, NonSecureEl2);

#undef PRINTTIMER

        printf("\tPlatform Timer Count=%d\n", gtdt->PlatformTimerCount);

        hdr = (ACPI_GTDT_HEADER *)((vaddr_t)sdp + gtdt->PlatformTimerOffset);
        for (i = 0; i < gtdt->PlatformTimerCount; i++) {
                printf("\n");
                if (hdr >= (ACPI_GTDT_HEADER *)((vaddr_t)sdp + sdp->Length)) {
                        printf("\tWrong GTDT header"
                            "(type = %hhu, length = %hu)\n",
                            hdr->Type, hdr->Length);
                        break;
                }

                switch (hdr->Type) {
                case ACPI_GTDT_TYPE_TIMER_BLOCK:
                        acpi_print_gtblock((ACPI_GTDT_TIMER_BLOCK *)hdr);
                        break;
                case ACPI_GTDT_TYPE_WATCHDOG:
                        acpi_print_sbsa_watchdog((ACPI_GTDT_WATCHDOG *)hdr);
                        break;
                default:
                        printf("\tUnknown Platform Timer Type"
                            "(type = %hhu, length = %hu)\n",
                            hdr->Type, hdr->Length);
                        break;
                }
                /* Next */
                hdr = (ACPI_GTDT_HEADER *)((vaddr_t)hdr + hdr->Length);
        }
        printf(END_COMMENT);
}

static void
acpi_handle_madt(ACPI_TABLE_HEADER *sdp)
{
        ACPI_TABLE_MADT *madt;

        printf(BEGIN_COMMENT);
        acpi_print_sdt(sdp);
        madt = (ACPI_TABLE_MADT *)sdp;
        printf("\tLocal APIC ADDR=0x%08x\n", madt->Address);
        printf("\tFlags={");
        if (madt->Flags & ACPI_MADT_PCAT_COMPAT)
                printf("PC-AT");
        printf("}\n");
        acpi_walk_subtables(sdp, (madt + 1), acpi_print_madt);
        printf(END_COMMENT);
}

static void
acpi_handle_hpet(ACPI_TABLE_HEADER *sdp)
{
        ACPI_TABLE_HPET *hpet;

        printf(BEGIN_COMMENT);
        acpi_print_sdt(sdp);
        hpet = (ACPI_TABLE_HPET *)sdp;
        printf("\tHPET Number=%d\n", hpet->Sequence);
        printf("\tADDR=");
        acpi_print_gas(&hpet->Address);
        printf("\n\tHW Rev=0x%x\n", hpet->Id & ACPI_HPET_ID_HARDWARE_REV_ID);
        printf("\tComparators=%d\n", (hpet->Id & ACPI_HPET_ID_COMPARATORS) >>
            8);
        printf("\tCounter Size=%d\n", hpet->Id & ACPI_HPET_ID_COUNT_SIZE_CAP ?
            1 : 0);
        printf("\tLegacy IRQ routing capable={");
        if (hpet->Id & ACPI_HPET_ID_LEGACY_CAPABLE)
                printf("TRUE}\n");
        else
                printf("FALSE}\n");
        printf("\tPCI Vendor ID=0x%04x\n", hpet->Id >> 16);
        printf("\tMinimal Tick=%d\n", hpet->MinimumTick);
        printf("\tFlags=0x%02x\n", hpet->Flags);
        printf(END_COMMENT);
}

/*
 * IORT
 * I/O Remapping Table
 */

static void acpi_print_iort_its_group(ACPI_IORT_NODE *);
static void acpi_print_iort_named_component(ACPI_IORT_NODE *);
static void acpi_print_iort_root_complex(ACPI_IORT_NODE *);
static void acpi_print_iort_smmuv1v2(ACPI_IORT_NODE *);
static void acpi_print_iort_smmuv3(ACPI_IORT_NODE *);

struct iort_node_list {
        uint8_t Type;
        const char *gname;
        void (*func)(ACPI_IORT_NODE *);
} iort_node_list [] = {
#define NDMAC(name)     ACPI_IORT_NODE_## name
#define PRFN(name)      acpi_print_iort_## name
        { NDMAC(ITS_GROUP),        "ITS group",       PRFN(its_group)},
        { NDMAC(NAMED_COMPONENT),  "Named component", PRFN(named_component)},
        { NDMAC(PCI_ROOT_COMPLEX), "Root complex",    PRFN(root_complex)},
        { NDMAC(SMMU),             "SMMUv1 or v2",    PRFN(smmuv1v2)},
        { NDMAC(SMMU_V3),          "SMMUv3",          PRFN(smmuv3)},
        { 255, NULL, NULL},
#undef NDMAC
#undef PRFN
};

static void
acpi_print_iort_memory_access(ACPI_IORT_MEMORY_ACCESS *memacc)
{

        printf("\tMemory Access={\n");
        printf("\t\tCacheCoherency=");
        switch (memacc->CacheCoherency) {
        case ACPI_IORT_NODE_COHERENT:
                printf("Fully coherent\n");
                break;
        case ACPI_IORT_NODE_NOT_COHERENT:
                printf("Not coherent\n");
                break;
        default:
                printf("reserved (%u)\n", memacc->CacheCoherency);
                break;
        }
        printf("\t\tAllocation Hints=");
#define PRINTFLAG(var, flag)    printflag((var), ACPI_IORT_HT_## flag, #flag)
                PRINTFLAG(memacc->Hints, TRANSIENT);
                PRINTFLAG(memacc->Hints, WRITE);
                PRINTFLAG(memacc->Hints, READ);
                PRINTFLAG(memacc->Hints, OVERRIDE);
                PRINTFLAG_END();
#undef PRINTFLAG
        printf("\t\tMemory Access Flags=");
#define PRINTFLAG(var, flag)    printflag((var), ACPI_IORT_MF_## flag, #flag)
                PRINTFLAG(memacc->MemoryFlags, COHERENCY);
                PRINTFLAG(memacc->MemoryFlags, ATTRIBUTES);
                PRINTFLAG_END();
#undef PRINTFLAG
        printf("\t}\n");
}

static void
acpi_print_iort_its_group(ACPI_IORT_NODE *node)
{
        ACPI_IORT_ITS_GROUP *itsg = (ACPI_IORT_ITS_GROUP *)node->NodeData;
        uint32_t *idp;
        unsigned int i;

        idp = itsg->Identifiers;
        for (i = 0; i < itsg->ItsCount; i++)
                printf("\tGIC ITS ID=%d\n", idp[i]);
}

static void
acpi_print_iort_named_component(ACPI_IORT_NODE *node)
{
        ACPI_IORT_NAMED_COMPONENT *ncomp
            = (ACPI_IORT_NAMED_COMPONENT *)node->NodeData;

#define PRINTFLAG(var, flag)    printflag((var), ACPI_IORT_NC_## flag, #flag)
        printf("\tNode Flags={PASID_BITS=%u",
            (ncomp->NodeFlags & ACPI_IORT_NC_PASID_BITS) >> 1);
        pf_sep = ',';
        PRINTFLAG(ncomp->NodeFlags, STALL_SUPPORTED);
        PRINTFLAG_END();
#undef PRINTFLAG
        acpi_print_iort_memory_access(
                (ACPI_IORT_MEMORY_ACCESS *)&ncomp->MemoryProperties);
        printf("\tMemory address size=%hhu\n", ncomp->MemoryAddressLimit);
        printf("\tDevice object Name=%s\n", ncomp->DeviceName);
}

static void
acpi_print_iort_root_complex(ACPI_IORT_NODE *node)
{
        ACPI_IORT_ROOT_COMPLEX *rcmp
            = (ACPI_IORT_ROOT_COMPLEX *)node->NodeData;

        acpi_print_iort_memory_access(
                (ACPI_IORT_MEMORY_ACCESS *)&rcmp->MemoryProperties);
        printf("\tATS Attribute=%s\n",
            (rcmp->AtsAttribute & ACPI_IORT_ATS_SUPPORTED)
            ? "supported" : "not supported");
        printf("\tPCI Segment=%u\n", rcmp->PciSegmentNumber);
        printf("\tMemory address size limit=%hhu\n", rcmp->MemoryAddressLimit);
}

static void
acpi_print_iort_smmuv1v2_intflags(uint32_t flags)
{

        printf("{Mode=");
        if (flags & 0x01)
                printf("edge");
        else
                printf("level");
        printf("}\n");
}

static void
acpi_print_iort_smmuv1v2(ACPI_IORT_NODE *node)
{
        ACPI_IORT_SMMU *smmu = (ACPI_IORT_SMMU *)node->NodeData;
        ACPI_IORT_SMMU_GSI *gsi;
        uint64_t *iarray;
        unsigned int i;

        printf("\tBase Address=%016jx\n", (uintmax_t)smmu->BaseAddress);
        printf("\tSpan=%016jx\n", (uintmax_t)smmu->Span);
        printf("\tModel=");
        switch (smmu->Model) {
        case ACPI_IORT_SMMU_V1:
                printf("Generic SMMUv1\n");
                break;
        case ACPI_IORT_SMMU_V2:
                printf("Generic SMMUv2\n");
                break;
        case ACPI_IORT_SMMU_CORELINK_MMU400:
                printf("Arm Corelink MMU-400\n");
                break;
        case ACPI_IORT_SMMU_CORELINK_MMU500:
                printf("Arm Corelink MMU-500\n");
                break;
        case ACPI_IORT_SMMU_CORELINK_MMU401:
                printf("Arm Corelink MMU-401\n");
                break;
        case ACPI_IORT_SMMU_CAVIUM_THUNDERX:
                printf("Cavium ThunderX SMMUv2\n");
                break;
        default:
                printf("reserved (%u)\n", smmu->Model);
                break;
        }
#define PRINTFLAG(var, flag)    printflag((var), ACPI_IORT_SMMU_## flag, #flag)
        printf("\tFlags=");
        PRINTFLAG(smmu->Flags, DVM_SUPPORTED);
        PRINTFLAG(smmu->Flags, COHERENT_WALK);
        PRINTFLAG_END();
#undef PRINTFLAG

        gsi = (ACPI_IORT_SMMU_GSI *)((vaddr_t)node
            + smmu->GlobalInterruptOffset);
        printf("\tNSgIrpt=%u\n", gsi->NSgIrpt);
        printf("\tNSgIrptFlags=");
        acpi_print_iort_smmuv1v2_intflags(gsi->NSgIrptFlags);
        printf("\tNSgCfgIrpt=%u\n", gsi->NSgCfgIrpt);
        printf("\tNSgCfgIrptFlags=");
        acpi_print_iort_smmuv1v2_intflags(gsi->NSgCfgIrptFlags);

        if (smmu->ContextInterruptCount != 0) {
                iarray = (uint64_t *)((vaddr_t)node
                    + smmu->ContextInterruptOffset);
                printf("\tContext Interrupts={\n");
                for (i = 0; i < smmu->ContextInterruptCount; i++) {
                        printf("\t\tGSIV=%u\n",
                            (uint32_t)(iarray[i] & 0xffffffff));
                        printf("\t\tFlags=%u\n", (uint32_t)(iarray[i] >> 32));
                }
        }
        if (smmu->PmuInterruptCount != 0) {
                iarray = (uint64_t *)((vaddr_t)node
                    + smmu->PmuInterruptOffset);
                printf("\tPmu Interrupts={\n");
                for (i = 0; i < smmu->PmuInterruptCount; i++) {
                        printf("\t\tGSIV=%u\n",
                            (uint32_t)(iarray[i] & 0xffffffff));
                        printf("\t\tFlags=%u\n", (uint32_t)(iarray[i] >> 32));
                }
        }
}

static void
acpi_print_iort_smmuv3(ACPI_IORT_NODE *node)
{
        ACPI_IORT_SMMU_V3 *smmu = (ACPI_IORT_SMMU_V3 *)node->NodeData;
        uint8_t httuo;
        
        printf("\tBase Address=%016jx\n", (uintmax_t)smmu->BaseAddress);
#define PRINTFLAG(var, flag)    printflag((var), ACPI_IORT_SMMU_V3_## flag, \
            #flag)
        httuo = __SHIFTOUT(smmu->Flags, ACPI_IORT_SMMU_V3_HTTU_OVERRIDE);
        printf("\tFlags={HTTU Override=%hhx", httuo);
        pf_sep = ',';
        PRINTFLAG(smmu->Flags, HTTU_OVERRIDE);
        PRINTFLAG(smmu->Flags, COHACC_OVERRIDE);
        PRINTFLAG(smmu->Flags, PXM_VALID);
        PRINTFLAG_END();
#undef PRINTFLAG
        printf("\tVATOS Address=%016jx\n", (uintmax_t)smmu->VatosAddress);
        printf("\tModel=");
        switch (smmu->Model) {
        case ACPI_IORT_SMMU_V3_GENERIC:
                printf("Generic SMMUv3\n");
                break;
        case ACPI_IORT_SMMU_V3_HISILICON_HI161X:
                printf("HiSilicon Hi161x SMMU-v3\n");
                break;
        case ACPI_IORT_SMMU_V3_CAVIUM_CN99XX:
                printf("Cavium CN99xx SMMU-v3\n");
                break;
        default:
                printf("reserved (%u)\n", smmu->Model);
                break;
        }

        printf("\tEvent GSIV=%u\n", smmu->EventGsiv);
        printf("\tPRI GSIV=%u\n", smmu->PriGsiv);
        printf("\tGERR GSIV=%u\n", smmu->GerrGsiv);
        printf("\tSync GSIV=%u\n", smmu->SyncGsiv);
        printf("\tProximity domain=%u\n", smmu->Pxm);

        /* XXX should we print the referred contents? */
        printf("\tDevice ID mapping index=%u\n", smmu->IdMappingIndex);
}

static void
acpi_print_iort_node(ACPI_IORT_NODE *node)
{
        ACPI_IORT_ID_MAPPING *mapping;
        uint32_t offset;
        int datasize;
        bool dodump = false;
        struct iort_node_list *list;
        unsigned int i;

        printf("\tLength=%hu\n", node->Length);
        printf("\tRevision=%hhu\n", node->Revision);
        printf("\tType=");

        datasize = node->MappingOffset - offsetof(ACPI_IORT_NODE, NodeData);
        if (datasize != 0)
                dodump = true;

        for (list = iort_node_list; list->gname != NULL; list++) {
                if (node->Type == list->Type) {
                        printf("%s\n", list->gname);
                        if (dodump)
                                (*list->func)(node);
                        break;
                }
        }
        if (list->gname == NULL)
                printf("reserved (0x%hhx)\n", node->Type);

        printf("\tMappingCount=%u\n", node->MappingCount);
        if (node->MappingCount == 0)
                return;

        offset = node->MappingOffset;
        printf("\tMapping offset=%u\n", offset);
        for (i = 0; i < node->MappingCount; i++) {
                mapping = (ACPI_IORT_ID_MAPPING *)((vaddr_t)node + offset);
                printf("\tMapping={\n");
                printf("\t\tInput base=%u\n", mapping->InputBase);
                printf("\t\tCount=%u\n", mapping->IdCount);
                printf("\t\tOutput base=%u\n", mapping->OutputBase);
                printf("\t\tOutput reference offset=%u\n",
                    mapping->OutputReference);
#define PRINTFLAG(var, flag)    printflag((var), ACPI_IORT_ID_## flag, #flag)
                printf("\t\tFlags=");
                PRINTFLAG(mapping->Flags, SINGLE_MAPPING);
                PRINTFLAG_END();
#undef PRINTFLAG
                printf("\t}\n");
                offset += sizeof(ACPI_IORT_ID_MAPPING);
        }
}

static void
acpi_handle_iort(ACPI_TABLE_HEADER *sdp)
{
        ACPI_TABLE_IORT *iort;
        ACPI_IORT_NODE *node;
        unsigned int i;

        printf(BEGIN_COMMENT);
        acpi_print_sdt(sdp);
        iort = (ACPI_TABLE_IORT *)sdp;
        printf("\tIORT Nodes=%u\n", iort->NodeCount);
        printf("\tNode offset=%u\n", iort->NodeOffset);

        node = (ACPI_IORT_NODE *)((vaddr_t)iort + iort->NodeOffset);
        for (i = 0; i < iort->NodeCount; i++) {
                printf("\n");
                acpi_print_iort_node(node);

                /* Next */
                node = (ACPI_IORT_NODE *)((vaddr_t)node + node->Length);
        }
        
        printf(END_COMMENT);
}

static void
acpi_print_native_lpit(ACPI_LPIT_NATIVE *nl)
{
        printf("\tEntryTrigger=");
        acpi_print_gas(&nl->EntryTrigger);
        printf("\n\tResidency=%u\n", nl->Residency);
        printf("\tLatency=%u\n", nl->Latency);
        if (nl->Header.Flags & ACPI_LPIT_NO_COUNTER)
                printf("\tResidencyCounter=Not Present");
        else {
                printf("\tResidencyCounter=");
                acpi_print_gas(&nl->ResidencyCounter);
                printf("\n");
        }
        if (nl->CounterFrequency)
                printf("\tCounterFrequency=%ju\n", nl->CounterFrequency);
        else
                printf("\tCounterFrequency=TSC\n");
}

static void
acpi_print_lpit(ACPI_LPIT_HEADER *lpit)
{
        if (lpit->Type == ACPI_LPIT_TYPE_NATIVE_CSTATE)
                printf("\tType=ACPI_LPIT_TYPE_NATIVE_CSTATE\n");
        else
                warnx("unknown LPIT type %u", lpit->Type);

        printf("\tLength=%u\n", lpit->Length);
        printf("\tUniqueId=0x%04x\n", lpit->UniqueId);
#define PRINTFLAG(var, flag)    printflag((var), ACPI_LPIT_## flag, #flag)
        printf("\tFlags=");
        PRINTFLAG(lpit->Flags, STATE_DISABLED);
        PRINTFLAG_END();
#undef PRINTFLAG

        if (lpit->Type == ACPI_LPIT_TYPE_NATIVE_CSTATE)
                acpi_print_native_lpit((ACPI_LPIT_NATIVE *)lpit);
}

static void
acpi_walk_lpit(ACPI_TABLE_HEADER *table, void *first,
    void (*action)(ACPI_LPIT_HEADER *))
{
        ACPI_LPIT_HEADER *subtable;
        char *end;

        subtable = first;
        end = (char *)table + table->Length;
        while ((char *)subtable < end) {
                printf("\n");
                if (subtable->Length < sizeof(ACPI_LPIT_HEADER)) {
                        warnx("invalid subtable length %u", subtable->Length);
                        return;
                }
                action(subtable);
                subtable = (ACPI_LPIT_HEADER *)((char *)subtable +
                    subtable->Length);
        }
}

static void
acpi_handle_lpit(ACPI_TABLE_HEADER *sdp)
{
        ACPI_TABLE_LPIT *lpit;

        printf(BEGIN_COMMENT);
        acpi_print_sdt(sdp);
        lpit = (ACPI_TABLE_LPIT *)sdp;
        acpi_walk_lpit(sdp, (lpit + 1), acpi_print_lpit);

        printf(END_COMMENT);
}

static void
acpi_handle_msct(ACPI_TABLE_HEADER *sdp)
{
        ACPI_TABLE_MSCT *msct;
        ACPI_MSCT_PROXIMITY *msctentry;
        uint32_t pos;

        printf(BEGIN_COMMENT);
        acpi_print_sdt(sdp);
        msct = (ACPI_TABLE_MSCT *)sdp;

        printf("\tProximity Offset=0x%x\n", msct->ProximityOffset);
        printf("\tMax Proximity Domains=%d\n", msct->MaxProximityDomains);
        printf("\tMax Clock Domains=%d\n", msct->MaxClockDomains);
        printf("\tMax Physical Address=0x%"PRIx64"\n", msct->MaxAddress);

        pos = msct->ProximityOffset;
        while (pos < msct->Header.Length) {
                msctentry = (ACPI_MSCT_PROXIMITY *)((char *)msct + pos);
                pos += msctentry->Length;

                printf("\n");
                printf("\tRevision=%d\n", msctentry->Revision);
                printf("\tLength=%d\n", msctentry->Length);
                printf("\tRange Start=%d\n", msctentry->RangeStart);
                printf("\tRange End=%d\n", msctentry->RangeEnd);
                printf("\tProcessor Capacity=%d\n",
                    msctentry->ProcessorCapacity);
                printf("\tMemory Capacity=0x%"PRIx64" byte\n",
                    msctentry->MemoryCapacity);
        }

        printf(END_COMMENT);
}

static void
acpi_handle_ecdt(ACPI_TABLE_HEADER *sdp)
{
        ACPI_TABLE_ECDT *ecdt;

        printf(BEGIN_COMMENT);
        acpi_print_sdt(sdp);
        ecdt = (ACPI_TABLE_ECDT *)sdp;
        printf("\tEC_CONTROL=");
        acpi_print_gas(&ecdt->Control);
        printf("\n\tEC_DATA=");
        acpi_print_gas(&ecdt->Data);
        printf("\n\tUID=%#x, ", ecdt->Uid);
        printf("GPE_BIT=%#x\n", ecdt->Gpe);
        printf("\tEC_ID=%s\n", ecdt->Id);
        printf(END_COMMENT);
}

static void
acpi_handle_mcfg(ACPI_TABLE_HEADER *sdp)
{
        ACPI_TABLE_MCFG *mcfg;
        ACPI_MCFG_ALLOCATION *alloc;
        u_int i, entries;

        printf(BEGIN_COMMENT);
        acpi_print_sdt(sdp);
        mcfg = (ACPI_TABLE_MCFG *)sdp;
        entries = (sdp->Length - sizeof(ACPI_TABLE_MCFG)) /
            sizeof(ACPI_MCFG_ALLOCATION);
        alloc = (ACPI_MCFG_ALLOCATION *)(mcfg + 1);
        for (i = 0; i < entries; i++, alloc++) {
                printf("\n");
                printf("\tBase Address=0x%016jx\n", (uintmax_t)alloc->Address);
                printf("\tSegment Group=0x%04x\n", alloc->PciSegment);
                printf("\tStart Bus=%d\n", alloc->StartBusNumber);
                printf("\tEnd Bus=%d\n", alloc->EndBusNumber);
        }
        printf(END_COMMENT);
}

static void
acpi_print_pcct_subspace(ACPI_PCCT_SUBSPACE *subspace)
{
        printf("\tType=Generic Subspace\n");
        printf("\tBase Address=0x%016jx\n", subspace->BaseAddress);
        printf("\tLength=%jd\n", subspace->Length);
        printf("\tDoorbell Address=");
        acpi_print_gas(&subspace->DoorbellRegister);
        printf("\n");
        printf("\tDoorbell Preserve=0x%016jx\n", subspace->PreserveMask);
        printf("\tDoorbell Write=0x%016jx\n", subspace->WriteMask);
        printf("\tLatency=%u us\n", subspace->Latency);
        printf("\tMax Access Rate=%u\n", subspace->MaxAccessRate);
        printf("\tMin Turnaround Time=%u us\n", subspace->MinTurnaroundTime);
}

static void
acpi_print_pcct_hw_reduced(ACPI_PCCT_HW_REDUCED *subspace)
{
        printf("\tType=HW-reduced Subspace\n");
        printf("\tPlatform Interrupt=%u", subspace->PlatformInterrupt);
        if (subspace->Flags & ACPI_PCCT_INTERRUPT_POLARITY) {
                printf(", Edge triggered");
        } else {
                printf(", Level triggered");
        }
        if (subspace->Flags & ACPI_PCCT_INTERRUPT_MODE) {
                printf(", Active low");
        } else {
                printf(", Active high");
        }
        printf("\n");
        printf("\tBase Address=0x%016jx\n", subspace->BaseAddress);
        printf("\tLength=%jd\n", subspace->Length);
        printf("\tDoorbell Register=");
        acpi_print_gas(&subspace->DoorbellRegister);
        printf("\n");
        printf("\tDoorbell Preserve=0x%016jx\n", subspace->PreserveMask);
        printf("\tDoorbell Write=0x%016jx\n", subspace->WriteMask);
        printf("\tLatency=%u us\n", subspace->Latency);
        printf("\tMax Access Rate=%u\n", subspace->MaxAccessRate);
        printf("\tMin Turnaround Time=%u us\n", subspace->MinTurnaroundTime);
}

static void
acpi_print_pcct_hw_reduced_type2(ACPI_PCCT_HW_REDUCED_TYPE2 *subspace)
{
        printf("\tType=HW-reduced Subspace Type 2\n");
        printf("\tPlatform Interrupt=%u", subspace->PlatformInterrupt);
        if (subspace->Flags & ACPI_PCCT_INTERRUPT_POLARITY) {
                printf(", Edge triggered");
        } else {
                printf(", Level triggered");
        }
        if (subspace->Flags & ACPI_PCCT_INTERRUPT_MODE) {
                printf(", Active low");
        } else {
                printf(", Active high");
        }
        printf("\n");
        printf("\tBase Address=0x%016jx\n", subspace->BaseAddress);
        printf("\tLength=%jd\n", subspace->Length);
        printf("\tDoorbell Register=");
        acpi_print_gas(&subspace->DoorbellRegister);
        printf("\n");
        printf("\tDoorbell Preserve=0x%016jx\n", subspace->PreserveMask);
        printf("\tDoorbell Write=0x%016jx\n", subspace->WriteMask);
        printf("\tLatency=%u us\n", subspace->Latency);
        printf("\tMax Access Rate=%u\n", subspace->MaxAccessRate);
        printf("\tMin Turnaround Time=%u us\n", subspace->MinTurnaroundTime);
        printf("\tPlatform Interrupt Ack Register=");
        acpi_print_gas(&subspace->PlatformAckRegister);
        printf("\n");
        printf("\tPlatform Interrupt Ack Preserve=0x%016jx\n", subspace->AckPreserveMask);
        printf("\tPlatform Interrupt Ack Write=0x%016jx\n", subspace->AckWriteMask);
}

static void
acpi_print_pcct_ext_pcc_master(ACPI_PCCT_EXT_PCC_MASTER *subspace)
{
        printf("\tType=Extended PCC Master Subspace\n");
        printf("\tPlatform Interrupt=%u", subspace->PlatformInterrupt);
        if (subspace->Flags & ACPI_PCCT_INTERRUPT_POLARITY) {
                printf(", Edge triggered");
        } else {
                printf(", Level triggered");
        }
        if (subspace->Flags & ACPI_PCCT_INTERRUPT_MODE) {
                printf(", Active low");
        } else {
                printf(", Active high");
        }
        printf("\n");
        printf("\tBase Address=0x%016jx\n", subspace->BaseAddress);
        printf("\tLength=%d\n", subspace->Length);
        printf("\tDoorbell Register=");
        acpi_print_gas(&subspace->DoorbellRegister);
        printf("\n");
        printf("\tDoorbell Preserve=0x%016jx\n", subspace->PreserveMask);
        printf("\tDoorbell Write=0x%016jx\n", subspace->WriteMask);
        printf("\tLatency=%u us\n", subspace->Latency);
        printf("\tMax Access Rate=%u\n", subspace->MaxAccessRate);
        printf("\tMin Turnaround Time=%u us\n", subspace->MinTurnaroundTime);
        printf("\tPlatform Interrupt Ack Register=");
        acpi_print_gas(&subspace->PlatformAckRegister);
        printf("\n");
        printf("\tPlatform Interrupt Ack Preserve=0x%016jx\n", subspace->AckPreserveMask);
        printf("\tPlatform Interrupt Ack Set=0x%016jx\n", subspace->AckSetMask);
        printf("\tCommand Complete Register=");
        acpi_print_gas(&subspace->CmdCompleteRegister);
        printf("\n");
        printf("\tCommand Complete Mask=0x%016jx\n", subspace->CmdCompleteMask);
        printf("\tCommand Update Register=");
        acpi_print_gas(&subspace->CmdUpdateRegister);
        printf("\n");
        printf("\tCommand Update Preserve Mask=0x%016jx\n", subspace->CmdUpdatePreserveMask);
        printf("\tCommand Update Set Mask=0x%016jx\n", subspace->CmdUpdateSetMask);
        printf("\tError Status Register=");
        acpi_print_gas(&subspace->ErrorStatusRegister);
        printf("\n");
        printf("\tError Status Mask=0x%016jx\n", subspace->ErrorStatusMask);
}

static void
acpi_print_pcct_ext_pcc_slave(ACPI_PCCT_EXT_PCC_SLAVE *subspace)
{
        printf("\tType=Extended PCC Slave Subspace\n");
        printf("\tPlatform Interrupt=%u", subspace->PlatformInterrupt);
        if (subspace->Flags & ACPI_PCCT_INTERRUPT_POLARITY) {
                printf(", Edge triggered");
        } else {
                printf(", Level triggered");
        }
        if (subspace->Flags & ACPI_PCCT_INTERRUPT_MODE) {
                printf(", Active low");
        } else {
                printf(", Active high");
        }
        printf("\n");
        printf("\tBase Address=0x%016jx\n", subspace->BaseAddress);
        printf("\tLength=%d\n", subspace->Length);
        printf("\tDoorbell Register=");
        acpi_print_gas(&subspace->DoorbellRegister);
        printf("\n");
        printf("\tDoorbell Preserve=0x%016jx\n", subspace->PreserveMask);
        printf("\tDoorbell Write=0x%016jx\n", subspace->WriteMask);
        printf("\tLatency=%u us\n", subspace->Latency);
        printf("\tMax Access Rate=%u\n", subspace->MaxAccessRate);
        printf("\tMin Turnaround Time=%u us\n", subspace->MinTurnaroundTime);
        printf("\tPlatform Interrupt Ack Register=");
        acpi_print_gas(&subspace->PlatformAckRegister);
        printf("\n");
        printf("\tPlatform Interrupt Ack Preserve=0x%016jx\n", subspace->AckPreserveMask);
        printf("\tPlatform Interrupt Ack Set=0x%016jx\n", subspace->AckSetMask);
        printf("\tCommand Complete Register=");
        acpi_print_gas(&subspace->CmdCompleteRegister);
        printf("\n");
        printf("\tCommand Complete Mask=0x%016jx\n", subspace->CmdCompleteMask);
        printf("\tCommand Update Register=");
        acpi_print_gas(&subspace->CmdUpdateRegister);
        printf("\n");
        printf("\tCommand Update Preserve Mask=0x%016jx\n", subspace->CmdUpdatePreserveMask);
        printf("\tCommand Update Set Mask=0x%016jx\n", subspace->CmdUpdateSetMask);
        printf("\tError Status Register=");
        acpi_print_gas(&subspace->ErrorStatusRegister);
        printf("\n");
        printf("\tError Status Mask=0x%016jx\n", subspace->ErrorStatusMask);
}

static void
acpi_print_pcct(ACPI_SUBTABLE_HEADER *hdr)
{
        switch (hdr->Type) {
        case ACPI_PCCT_TYPE_GENERIC_SUBSPACE:
                acpi_print_pcct_subspace((ACPI_PCCT_SUBSPACE *)hdr);
                break;
        case ACPI_PCCT_TYPE_HW_REDUCED_SUBSPACE:
                acpi_print_pcct_hw_reduced((ACPI_PCCT_HW_REDUCED *)hdr);
                break;
        case ACPI_PCCT_TYPE_HW_REDUCED_SUBSPACE_TYPE2:
                acpi_print_pcct_hw_reduced_type2((ACPI_PCCT_HW_REDUCED_TYPE2 *)hdr);
                break;
        case ACPI_PCCT_TYPE_EXT_PCC_MASTER_SUBSPACE:
                acpi_print_pcct_ext_pcc_master((ACPI_PCCT_EXT_PCC_MASTER *)hdr);
                break;
        case ACPI_PCCT_TYPE_EXT_PCC_SLAVE_SUBSPACE:
                acpi_print_pcct_ext_pcc_slave((ACPI_PCCT_EXT_PCC_SLAVE *)hdr);
                break;
        default:
                printf("\tUnknown structure"
                    "(type = %hhu, length = %hhu)\n",
                    hdr->Type, hdr->Length);
                break;
        }
}

static void
acpi_handle_pcct(ACPI_TABLE_HEADER *sdp)
{
        ACPI_TABLE_PCCT *pcct;

        printf(BEGIN_COMMENT);
        acpi_print_sdt(sdp);

        pcct = (ACPI_TABLE_PCCT *)sdp;
#define PRINTFLAG(var, flag)    printflag((var), ACPI_PCCT_## flag, #flag)
        printf("\tFlags=");
        PRINTFLAG(pcct->Flags, DOORBELL);
        PRINTFLAG_END();
#undef PRINTFLAG

        acpi_walk_subtables(sdp, (pcct + 1), acpi_print_pcct);

        printf(END_COMMENT);
}

static void
acpi_print_pptt_processor(ACPI_PPTT_PROCESSOR *processor)
{
        uint32_t *private;
        unsigned int i;

        printf("\tType=processor\n");
        printf("\tLength=%d\n", processor->Header.Length);
#define PRINTFLAG(var, flag)    printflag((var), ACPI_PPTT_## flag, #flag)

        printf("\tFlags=");
        PRINTFLAG(processor->Flags, PHYSICAL_PACKAGE);
        PRINTFLAG(processor->Flags, ACPI_PROCESSOR_ID_VALID);
        PRINTFLAG_END();

#undef PRINTFLAG
        printf("\tParent=%08x\n", processor->Parent);
        printf("\tACPI Processor ID=0x%08x\n", processor->AcpiProcessorId);
        printf("\tprivate resources=%d\n", processor->NumberOfPrivResources);

        private = (uint32_t *)(processor + 1);
        for (i = 0; i < processor->NumberOfPrivResources; i++)
                printf("\tprivate resources%d=%08x\n", i, private[i]);
}

static void
acpi_print_pptt_cache(ACPI_PPTT_CACHE *cache)
{

        printf("\tType=cache\n");
        printf("\tLength=%d\n", cache->Header.Length);

#define PRINTFLAG(var, flag)    printflag((var), ACPI_PPTT_## flag, #flag)
        printf("\tFlags=");
        PRINTFLAG(cache->Flags, SIZE_PROPERTY_VALID);
        PRINTFLAG(cache->Flags, NUMBER_OF_SETS_VALID);
        PRINTFLAG(cache->Flags, ASSOCIATIVITY_VALID);
        PRINTFLAG(cache->Flags, ALLOCATION_TYPE_VALID);
        PRINTFLAG(cache->Flags, CACHE_TYPE_VALID);
        PRINTFLAG(cache->Flags, WRITE_POLICY_VALID);
        PRINTFLAG(cache->Flags, LINE_SIZE_VALID);
        PRINTFLAG_END();
#undef PRINTFLAG

        printf("\tNextLevel=0x%08x\n", cache->NextLevelOfCache);
        if (cache->Flags & ACPI_PPTT_SIZE_PROPERTY_VALID)
                printf("\tSize=%d\n", cache->Size);
        if (cache->Flags & ACPI_PPTT_NUMBER_OF_SETS_VALID)
                printf("\tSets=%d\n", cache->NumberOfSets);
        if (cache->Flags & ACPI_PPTT_ASSOCIATIVITY_VALID)
                printf("\tAssociativity=%d\n", cache->Associativity);
        if (cache->Flags & ACPI_PPTT_ALLOCATION_TYPE_VALID) {
                printf("\tAllocation type=");
                switch (cache->Attributes & ACPI_PPTT_MASK_ALLOCATION_TYPE) {
                case ACPI_PPTT_CACHE_READ_ALLOCATE:
                        printf("Read allocate\n");
                        break;
                case ACPI_PPTT_CACHE_WRITE_ALLOCATE:
                        printf("Write allocate\n");
                        break;
                case ACPI_PPTT_CACHE_RW_ALLOCATE:
                case ACPI_PPTT_CACHE_RW_ALLOCATE_ALT:
                        printf("Read and Write allocate\n");
                        break;
                }
        }
        if (cache->Flags & ACPI_PPTT_CACHE_TYPE_VALID) {
                printf("\tCache type=");
                switch (cache->Attributes & ACPI_PPTT_MASK_CACHE_TYPE) {
                case ACPI_PPTT_CACHE_TYPE_DATA:
                        printf("Data\n");
                        break;
                case ACPI_PPTT_CACHE_TYPE_INSTR:
                        printf("Instruction\n");
                        break;
                case ACPI_PPTT_CACHE_TYPE_UNIFIED:
                case ACPI_PPTT_CACHE_TYPE_UNIFIED_ALT:
                        printf("Unified\n");
                        break;
                }
        }
        if (cache->Flags & ACPI_PPTT_WRITE_POLICY_VALID)
                printf("\tWrite Policy=Write %s \n",
                    (cache->Attributes & ACPI_PPTT_MASK_WRITE_POLICY) ?
                    "through" : "back");
                        
        if (cache->Flags & ACPI_PPTT_LINE_SIZE_VALID)
                printf("\tLine size=%d\n", cache->LineSize);
}

static void
acpi_print_pptt_id(ACPI_PPTT_ID *id)
{

        printf("\tType=id\n");
        printf("\tLength=%d\n", id->Header.Length);

        printf("\tVENDOR_ID=");
        acpi_print_string((char *)&id->VendorId, 4);
        printf("\n");

        printf("\tLEVEL_1_ID=%016" PRIx64 "\n", id->Level1Id);
        printf("\tLEVEL_2_ID=%016" PRIx64 "\n", id->Level2Id);
        printf("\tMajor=%hu", id->MajorRev);
        printf("\tMinor=%hu", id->MinorRev);
        printf("\tSpin=%hu", id->SpinRev);
}

static void
acpi_print_pptt(ACPI_SUBTABLE_HEADER *hdr)
{
        switch (hdr->Type) {
        case ACPI_PPTT_TYPE_PROCESSOR:
                acpi_print_pptt_processor((ACPI_PPTT_PROCESSOR *)hdr);
                break;
        case ACPI_PPTT_TYPE_CACHE:
                acpi_print_pptt_cache((ACPI_PPTT_CACHE *)hdr);
                break;
        case ACPI_PPTT_TYPE_ID:
                acpi_print_pptt_id((ACPI_PPTT_ID *)hdr);
                break;
        default:
                printf("\tUnknown structure"
                    "(type = %hhu, length = %hhu)\n",
                    hdr->Type, hdr->Length);
                break;
        }
}

static void
acpi_handle_pptt(ACPI_TABLE_HEADER *sdp)
{
        ACPI_TABLE_PPTT *pptt;

        printf(BEGIN_COMMENT);
        acpi_print_sdt(sdp);

        pptt = (ACPI_TABLE_PPTT *)sdp;
        acpi_walk_subtables(sdp, (pptt + 1), acpi_print_pptt);

        printf(END_COMMENT);
}

static void
acpi_handle_sbst(ACPI_TABLE_HEADER *sdp)
{
        ACPI_TABLE_SBST *sbst;

        printf(BEGIN_COMMENT);
        acpi_print_sdt(sdp);
        sbst = (ACPI_TABLE_SBST *)sdp;

        printf("\tWarning Level=%d mWh\n", sbst->WarningLevel);
        printf("\tLow Level=%d mWh\n", sbst->LowLevel);
        printf("\tCritical Level=%d mWh\n", sbst->CriticalLevel);

        printf(END_COMMENT);
}

static void
acpi_handle_slit(ACPI_TABLE_HEADER *sdp)
{
        ACPI_TABLE_SLIT *slit;
        u_int idx;
        uint64_t cnt;

        printf(BEGIN_COMMENT);
        acpi_print_sdt(sdp);
        slit = (ACPI_TABLE_SLIT *)sdp;

        cnt = slit->LocalityCount * slit->LocalityCount;
        printf("\tLocalityCount=%ju\n", (uintmax_t)slit->LocalityCount);
        printf("\tEntry=\n\t");
        for (idx = 0; idx < cnt; idx++) {
                printf("%u ", slit->Entry[idx]);
                if ((idx % slit->LocalityCount) == (slit->LocalityCount - 1)) {
                        printf("\n");
                        if (idx < cnt - 1)
                                printf("\t");
                }
        }

        printf(END_COMMENT);
}

static void
acpi_handle_spcr(ACPI_TABLE_HEADER *sdp)
{
        ACPI_TABLE_SPCR *spcr;

        printf(BEGIN_COMMENT);
        acpi_print_sdt(sdp);
        spcr = (ACPI_TABLE_SPCR *)sdp;

        printf("\n\tInterface Type=");
        switch (sdp->Revision) {
        case 1:
                printf("full 16550%s\n",
                    (spcr->InterfaceType == 1) ?
                    "(must also accept writing FCR register)" : "");
                break;
        case 2:
                acpi_print_dbg2_serial_subtype(spcr->InterfaceType);
                break;
        default:
                printf("unknown Revision\n");
                break;
        }
        
        printf("\tSerial Port=");
        acpi_print_gas(&spcr->SerialPort);
        printf("\n\tInterrupt Type={");
        if (spcr->InterruptType & 0x1) {
                printf("\n\t\tdual-8259 IRQ=");
                switch (spcr->PcInterrupt) {
                case 2 ... 7:
                case 9 ... 12:
                case 14 ... 15:
                        printf("%d", spcr->PcInterrupt);
                        break;
                default:
                        printf("%d (invalid entry)", spcr->PcInterrupt);
                        break;
                }
        }
        if (spcr->InterruptType & 0x2) {
                printf("\n\t\tIO APIC={ GSI=%d }", spcr->Interrupt);
        }
        if (spcr->InterruptType & 0x4) {
                printf("\n\t\tIO SAPIC={ GSI=%d }", spcr->Interrupt);
        }
        if (spcr->InterruptType & 0x8) {
                printf("\n\t\tARMH GIC={ GSI=%d }", spcr->Interrupt);
        }
        printf("\n\t}\n");

        printf("\tBaud Rate=");
        switch (spcr->BaudRate) {
        case 3:
                printf("9600");
                break;
        case 4:
                printf("19200");
                break;
        case 6:
                printf("57600");
                break;
        case 7:
                printf("115200");
                break;
        default:
                printf("unknown speed index %d", spcr->BaudRate);
                break;
        }
        printf("\n\tParity={");
        switch (spcr->Parity) {
        case 0:
                printf("OFF");
                break;
        default:
                printf("ON");
                break;
        }
        printf("}\n");

        printf("\tStop Bits={");
        switch (spcr->StopBits) {
        case 1:
                printf("ON");
                break;
        default:
                printf("OFF");
                break;
        }
        printf("}\n");

        printf("\tFlow Control={");
        if (spcr->FlowControl & 0x1)
                printf("DCD, ");
        if (spcr->FlowControl & 0x2)
                printf("RTS/CTS hardware, ");
        if (spcr->FlowControl & 0x4)
                printf("XON/XOFF software");
        printf("}\n");

        printf("\tTerminal=");
        switch (spcr->TerminalType) {
        case 0:
                printf("VT100");
                break;
        case 1:
                printf("VT100+");
                break;
        case 2:
                printf("VT-UTF8");
                break;
        case 3:
                printf("ANSI");
                break;
        default:
                printf("unknown type %d", spcr->TerminalType);
                break;
        }
        printf("\n");

        acpi_print_pci(spcr->PciVendorId, spcr->PciDeviceId,
            spcr->PciSegment, spcr->PciBus, spcr->PciDevice, spcr->PciFunction);

        printf("\tPCI Flags={");
        if (spcr->PciFlags & ACPI_SPCR_DO_NOT_DISABLE)
                printf("DONOT_DISABLE");
        printf("}\n");

        printf(END_COMMENT);
}

static void
acpi_handle_spmi(ACPI_TABLE_HEADER *sdp)
{
        ACPI_TABLE_SPMI *spmi;

        printf(BEGIN_COMMENT);
        acpi_print_sdt(sdp);
        spmi = (ACPI_TABLE_SPMI *)sdp;

        printf("\tInterface Type=");
        switch (spmi->InterfaceType) {
        case ACPI_SPMI_KEYBOARD:
                printf("Keyboard Controller Stype (KCS)");
                break;
        case ACPI_SPMI_SMI:
                printf("Server Management Interface Chip (SMIC)");
                break;
        case ACPI_SPMI_BLOCK_TRANSFER:
                printf("Block Transfer (BT)");
                break;
        case ACPI_SPMI_SMBUS:
                printf("SMBus System Interface (SSIF)");
                break;
        default:
                printf("Reserved(%d)", spmi->InterfaceType);
                break;
        }
        printf("\n\tSpecRevision=%d.%d", spmi->SpecRevision >> 8,
                spmi->SpecRevision & 0xff);

        printf("\n\tInterrupt Type={");
        if (spmi->InterruptType & 0x1) {
                printf("\n\t\tSCI triggered GPE=%d", spmi->GpeNumber);
        }
        if (spmi->InterruptType & 0x2) {
                printf("\n\t\tIO APIC/SAPIC={ GSI=%d }", spmi->Interrupt);
        }
        printf("\n\t}\n");

        printf("\tBase Address=");
        acpi_print_gas(&spmi->IpmiRegister);
        printf("\n");

        if ((spmi->PciDeviceFlag & 0x01) != 0)
                acpi_print_pci_sbdf(spmi->PciSegment, spmi->PciBus,
                    spmi->PciDevice, spmi->PciFunction);

        printf(END_COMMENT);
}

static void
acpi_print_srat_cpu(uint8_t type, uint32_t apic_id, uint32_t proximity_domain,
    uint32_t flags, uint32_t clockdomain, uint8_t sapic_eid)
{

        printf("\tFlags={");
        if (flags & ACPI_SRAT_CPU_ENABLED)
                printf("ENABLED");
        else
                printf("DISABLED");
        printf("}\n");
        printf("\t%s ID=%d\n",
            (type == ACPI_SRAT_TYPE_GIC_ITS_AFFINITY) ? "ITS" : "APIC",
            apic_id);
        if (type == ACPI_SRAT_TYPE_CPU_AFFINITY)
                printf("\tSAPIC EID=%d\n", sapic_eid);
        printf("\tProximity Domain=%d\n", proximity_domain);
        if (type != ACPI_SRAT_TYPE_GIC_ITS_AFFINITY)
                printf("\tClock Domain=%d\n", clockdomain);
}

static void
acpi_print_srat_memory(ACPI_SRAT_MEM_AFFINITY *mp)
{

        printf("\tFlags={");
        if (mp->Flags & ACPI_SRAT_MEM_ENABLED)
                printf("ENABLED");
        else
                printf("DISABLED");
        if (mp->Flags & ACPI_SRAT_MEM_HOT_PLUGGABLE)
                printf(",HOT_PLUGGABLE");
        if (mp->Flags & ACPI_SRAT_MEM_NON_VOLATILE)
                printf(",NON_VOLATILE");
        printf("}\n");
        printf("\tBase Address=0x%016jx\n", (uintmax_t)mp->BaseAddress);
        printf("\tLength=0x%016jx\n", (uintmax_t)mp->Length);
        printf("\tProximity Domain=%d\n", mp->ProximityDomain);
}

static const char *srat_types[] = {
    [ACPI_SRAT_TYPE_CPU_AFFINITY] = "CPU",
    [ACPI_SRAT_TYPE_MEMORY_AFFINITY] = "Memory",
    [ACPI_SRAT_TYPE_X2APIC_CPU_AFFINITY] = "X2APIC",
    [ACPI_SRAT_TYPE_GICC_AFFINITY] = "GICC",
    [ACPI_SRAT_TYPE_GIC_ITS_AFFINITY] = "GIC ITS",
};

static void
acpi_print_srat(ACPI_SUBTABLE_HEADER *srat)
{
        ACPI_SRAT_CPU_AFFINITY *cpu;
        ACPI_SRAT_X2APIC_CPU_AFFINITY *x2apic;
        ACPI_SRAT_GICC_AFFINITY *gicc;
        ACPI_SRAT_GIC_ITS_AFFINITY *gici;

        if (srat->Type < __arraycount(srat_types))
                printf("\tType=%s\n", srat_types[srat->Type]);
        else
                printf("\tType=%d (unknown)\n", srat->Type);
        switch (srat->Type) {
        case ACPI_SRAT_TYPE_CPU_AFFINITY:
                cpu = (ACPI_SRAT_CPU_AFFINITY *)srat;
                acpi_print_srat_cpu(srat->Type, cpu->ApicId,
                    cpu->ProximityDomainHi[2] << 24 |
                    cpu->ProximityDomainHi[1] << 16 |
                    cpu->ProximityDomainHi[0] << 0 |
                    cpu->ProximityDomainLo,
                    cpu->Flags, cpu->ClockDomain, cpu->LocalSapicEid);
                break;
        case ACPI_SRAT_TYPE_MEMORY_AFFINITY:
                acpi_print_srat_memory((ACPI_SRAT_MEM_AFFINITY *)srat);
                break;
        case ACPI_SRAT_TYPE_X2APIC_CPU_AFFINITY:
                x2apic = (ACPI_SRAT_X2APIC_CPU_AFFINITY *)srat;
                acpi_print_srat_cpu(srat->Type, x2apic->ApicId,
                    x2apic->ProximityDomain,
                    x2apic->Flags, x2apic->ClockDomain, 0 /* dummy */);
                break;
        case ACPI_SRAT_TYPE_GICC_AFFINITY:
                gicc = (ACPI_SRAT_GICC_AFFINITY *)srat;
                acpi_print_srat_cpu(srat->Type, gicc->AcpiProcessorUid,
                    gicc->ProximityDomain,
                    gicc->Flags, gicc->ClockDomain, 0 /* dummy */);
                break;
        case ACPI_SRAT_TYPE_GIC_ITS_AFFINITY:
                gici = (ACPI_SRAT_GIC_ITS_AFFINITY *)srat;
                acpi_print_srat_cpu(srat->Type, gici->ItsId,
                    gici->ProximityDomain,
                    0 /* dummy */, 0 /* dummy */, 0 /* dummy */);
                break;
        }
}

static void
acpi_handle_srat(ACPI_TABLE_HEADER *sdp)
{
        ACPI_TABLE_SRAT *srat;

        printf(BEGIN_COMMENT);
        acpi_print_sdt(sdp);
        srat = (ACPI_TABLE_SRAT *)sdp;
        printf("\tTable Revision=%d\n", srat->TableRevision);
        acpi_walk_subtables(sdp, (srat + 1), acpi_print_srat);
        printf(END_COMMENT);
}

static const char *nfit_types[] = {
    [ACPI_NFIT_TYPE_SYSTEM_ADDRESS] = "System Address",
    [ACPI_NFIT_TYPE_MEMORY_MAP] = "Memory Map",
    [ACPI_NFIT_TYPE_INTERLEAVE] = "Interleave",
    [ACPI_NFIT_TYPE_SMBIOS] = "SMBIOS",
    [ACPI_NFIT_TYPE_CONTROL_REGION] = "Control Region",
    [ACPI_NFIT_TYPE_DATA_REGION] = "Data Region",
    [ACPI_NFIT_TYPE_FLUSH_ADDRESS] = "Flush Address"
};


static void
acpi_print_nfit(ACPI_NFIT_HEADER *nfit)
{
        char *uuidstr;
        uint32_t status;

        ACPI_NFIT_SYSTEM_ADDRESS *sysaddr;
        ACPI_NFIT_MEMORY_MAP *mmap;
        ACPI_NFIT_INTERLEAVE *ileave;
        ACPI_NFIT_SMBIOS *smbios __unused;
        ACPI_NFIT_CONTROL_REGION *ctlreg;
        ACPI_NFIT_DATA_REGION *datareg;
        ACPI_NFIT_FLUSH_ADDRESS *fladdr;

        if (nfit->Type < __arraycount(nfit_types))
                printf("\tType=%s\n", nfit_types[nfit->Type]);
        else
                printf("\tType=%u (unknown)\n", nfit->Type);
        switch (nfit->Type) {
        case ACPI_NFIT_TYPE_SYSTEM_ADDRESS:
                sysaddr = (ACPI_NFIT_SYSTEM_ADDRESS *)nfit;
                printf("\tRangeIndex=%u\n", (u_int)sysaddr->RangeIndex);
                printf("\tProximityDomain=%u\n",
                    (u_int)sysaddr->ProximityDomain);
                uuid_to_string((uuid_t *)(sysaddr->RangeGuid),
                    &uuidstr, &status);
                if (status != uuid_s_ok)
                        errx(1, "uuid_to_string: status=%u", status);
                printf("\tRangeGuid=%s\n", uuidstr);
                free(uuidstr);
                printf("\tAddress=0x%016jx\n", (uintmax_t)sysaddr->Address);
                printf("\tLength=0x%016jx\n", (uintmax_t)sysaddr->Length);
                printf("\tMemoryMapping=0x%016jx\n",
                    (uintmax_t)sysaddr->MemoryMapping);

#define PRINTFLAG(var, flag)    printflag((var), ACPI_NFIT_## flag, #flag)

                printf("\tFlags=");
                PRINTFLAG(sysaddr->Flags, ADD_ONLINE_ONLY);
                PRINTFLAG(sysaddr->Flags, PROXIMITY_VALID);
                PRINTFLAG_END();

#undef PRINTFLAG

                break;
        case ACPI_NFIT_TYPE_MEMORY_MAP:
                mmap = (ACPI_NFIT_MEMORY_MAP *)nfit;
                printf("\tDeviceHandle=%u\n", (u_int)mmap->DeviceHandle);
                printf("\tPhysicalId=%u\n", (u_int)mmap->PhysicalId);
                printf("\tRegionId=%u\n", (u_int)mmap->RegionId);
                printf("\tRangeIndex=%u\n", (u_int)mmap->RangeIndex);
                printf("\tRegionIndex=%u\n", (u_int)mmap->RegionIndex);
                printf("\tRegionSize=0x%016jx\n", (uintmax_t)mmap->RegionSize);
                printf("\tRegionOffset=0x%016jx\n",
                    (uintmax_t)mmap->RegionOffset);
                printf("\tAddress=0x%016jx\n", (uintmax_t)mmap->Address);
                printf("\tInterleaveIndex=%u\n", (u_int)mmap->InterleaveIndex);
                printf("\tInterleaveWays=%u\n", (u_int)mmap->InterleaveWays);

#define PRINTFLAG(var, flag)    printflag((var), ACPI_NFIT_MEM_## flag, #flag)

                printf("\tFlags=");
                PRINTFLAG(mmap->Flags, SAVE_FAILED);
                PRINTFLAG(mmap->Flags, RESTORE_FAILED);
                PRINTFLAG(mmap->Flags, FLUSH_FAILED);
                PRINTFLAG(mmap->Flags, NOT_ARMED);
                PRINTFLAG(mmap->Flags, HEALTH_OBSERVED);
                PRINTFLAG(mmap->Flags, HEALTH_ENABLED);
                PRINTFLAG(mmap->Flags, MAP_FAILED);
                PRINTFLAG_END();

#undef PRINTFLAG

                break;
        case ACPI_NFIT_TYPE_INTERLEAVE:
                ileave = (ACPI_NFIT_INTERLEAVE *)nfit;
                printf("\tInterleaveIndex=%u\n",
                    (u_int)ileave->InterleaveIndex);
                printf("\tLineCount=%u\n", (u_int)ileave->LineCount);
                printf("\tLineSize=%u\n", (u_int)ileave->LineSize);
                /* XXX ileave->LineOffset[i] output is not supported */
                break;
        case ACPI_NFIT_TYPE_SMBIOS:
                smbios = (ACPI_NFIT_SMBIOS *)nfit;
                /* XXX smbios->Data[x] output is not supported */
                break;
        case ACPI_NFIT_TYPE_CONTROL_REGION:
                ctlreg = (ACPI_NFIT_CONTROL_REGION *)nfit;
                printf("\tRegionIndex=%u\n", (u_int)ctlreg->RegionIndex);
                printf("\tVendorId=0x%04x\n", (u_int)ctlreg->VendorId);
                printf("\tDeviceId=0x%04x\n", (u_int)ctlreg->DeviceId);
                printf("\tRevisionId=%u\n", (u_int)ctlreg->RevisionId);
                printf("\tSubsystemVendorId=0x%04x\n",
                    (u_int)ctlreg->SubsystemVendorId);
                printf("\tSubsystemDeviceId=0x%04x\n",
                    (u_int)ctlreg->SubsystemDeviceId);
                printf("\tSubsystemRevisionId=%u\n",
                    (u_int)ctlreg->SubsystemRevisionId);
                printf("\tValidFields=%02x\n", (u_int)ctlreg->ValidFields);
                printf("\tManufacturingLocation=%u\n",
                    (u_int)ctlreg->ManufacturingLocation);
                printf("\tManufacturingDate=%u\n",
                    (u_int)ctlreg->ManufacturingDate);
                printf("\tSerialNumber=%u\n",
                    (u_int)ctlreg->SerialNumber);
                printf("\tCode=0x%04x\n", (u_int)ctlreg->Code);
                printf("\tWindows=%u\n", (u_int)ctlreg->Windows);
                printf("\tWindowSize=0x%016jx\n",
                    (uintmax_t)ctlreg->WindowSize);
                printf("\tCommandOffset=0x%016jx\n",
                    (uintmax_t)ctlreg->CommandOffset);
                printf("\tCommandSize=0x%016jx\n",
                    (uintmax_t)ctlreg->CommandSize);
                printf("\tStatusOffset=0x%016jx\n",
                    (uintmax_t)ctlreg->StatusOffset);
                printf("\tStatusSize=0x%016jx\n",
                    (uintmax_t)ctlreg->StatusSize);

#define PRINTFLAG(var, flag)    printflag((var), ACPI_NFIT_## flag, #flag)

                printf("\tFlags=");
                PRINTFLAG(ctlreg->Flags, CONTROL_BUFFERED);
                PRINTFLAG_END();

#undef PRINTFLAG

                break;
        case ACPI_NFIT_TYPE_DATA_REGION:
                datareg = (ACPI_NFIT_DATA_REGION *)nfit;
                printf("\tRegionIndex=%u\n", (u_int)datareg->RegionIndex);
                printf("\tWindows=%u\n", (u_int)datareg->Windows);
                printf("\tOffset=0x%016jx\n", (uintmax_t)datareg->Offset);
                printf("\tSize=0x%016jx\n", (uintmax_t)datareg->Size);
                printf("\tCapacity=0x%016jx\n", (uintmax_t)datareg->Capacity);
                printf("\tStartAddress=0x%016jx\n",
                    (uintmax_t)datareg->StartAddress);
                break;
        case ACPI_NFIT_TYPE_FLUSH_ADDRESS:
                fladdr = (ACPI_NFIT_FLUSH_ADDRESS *)nfit;
                printf("\tDeviceHandle=%u\n", (u_int)fladdr->DeviceHandle);
                printf("\tHintCount=%u\n", (u_int)fladdr->HintCount);
                /* XXX fladdr->HintAddress[i] output is not supported */
                break;
        }
}

static void
acpi_handle_nfit(ACPI_TABLE_HEADER *sdp)
{
        ACPI_TABLE_NFIT *nfit;

        printf(BEGIN_COMMENT);
        acpi_print_sdt(sdp);
        nfit = (ACPI_TABLE_NFIT *)sdp;
        acpi_walk_nfit(sdp, (nfit + 1), acpi_print_nfit);
        printf(END_COMMENT);
}

static char *
acpi_tcpa_evname(struct TCPAevent *event)
{
        struct TCPApc_event *pc_event;
        char *eventname = NULL;

        pc_event = (struct TCPApc_event *)(event + 1);

        switch (event->event_type) {
        case PREBOOT:
        case POST_CODE:
        case UNUSED:
        case NO_ACTION:
        case SEPARATOR:
        case SCRTM_CONTENTS:
        case SCRTM_VERSION:
        case CPU_MICROCODE:
        case PLATFORM_CONFIG_FLAGS:
        case TABLE_OF_DEVICES:
        case COMPACT_HASH:
        case IPL:
        case IPL_PARTITION_DATA:
        case NONHOST_CODE:
        case NONHOST_CONFIG:
        case NONHOST_INFO:
                asprintf(&eventname, "%s",
                    tcpa_event_type_strings[event->event_type]);
                break;

        case ACTION:
                eventname = calloc(event->event_size + 1, sizeof(char));
                memcpy(eventname, pc_event, event->event_size);
                break;

        case EVENT_TAG:
                switch (pc_event->event_id) {
                case SMBIOS:
                case BIS_CERT:
                case CMOS:
                case NVRAM:
                case OPTION_ROM_EXEC:
                case OPTION_ROM_CONFIG:
                case S_CRTM_VERSION:
                case POST_BIOS_ROM:
                case ESCD:
                case OPTION_ROM_MICROCODE:
                case S_CRTM_CONTENTS:
                case POST_CONTENTS:
                        asprintf(&eventname, "%s",
                            TCPA_pcclient_strings[pc_event->event_id]);
                        break;

                default:
                        asprintf(&eventname, "<unknown tag 0x%02x>",
                            pc_event->event_id);
                        break;
                }
                break;

        default:
                asprintf(&eventname, "<unknown 0x%02x>", event->event_type);
                break;
        }

        return eventname;
}

static void
acpi_print_tcpa(struct TCPAevent *event)
{
        int i;
        char *eventname;

        eventname = acpi_tcpa_evname(event);

        printf("\t%d", event->pcr_index);
        printf(" 0x");
        for (i = 0; i < 20; i++)
                printf("%02x", event->pcr_value[i]);
        printf(" [%s]\n", eventname ? eventname : "<unknown>");

        free(eventname);
}

static void
acpi_handle_tcpa(ACPI_TABLE_HEADER *sdp)
{
        struct TCPAbody *tcpa;
        struct TCPAevent *event;
        uintmax_t len, paddr;
        unsigned char *vaddr = NULL;
        unsigned char *vend = NULL;

        printf(BEGIN_COMMENT);
        acpi_print_sdt(sdp);
        tcpa = (struct TCPAbody *) sdp;

        switch (tcpa->platform_class) {
        case ACPI_TCPA_BIOS_CLIENT:
                len = tcpa->client.log_max_len;
                paddr = tcpa->client.log_start_addr;
                break;

        case ACPI_TCPA_BIOS_SERVER:
                len = tcpa->server.log_max_len;
                paddr = tcpa->server.log_start_addr;
                break;

        default:
                printf("XXX");
                printf(END_COMMENT);
                return;
        }
        printf("\tClass %u Base Address 0x%jx Length %ju\n\n",
            tcpa->platform_class, paddr, len);

        if (len == 0) {
                printf("\tEmpty TCPA table\n");
                printf(END_COMMENT);
                return;
        }
        if (sdp->Revision == 1) {
                printf("\tOLD TCPA spec log found. Dumping not supported.\n");
                printf(END_COMMENT);
                return;
        }

        vaddr = (unsigned char *)acpi_map_physical(paddr, len);
        vend = vaddr + len;

        while (vaddr != NULL) {
                if ((vaddr + sizeof(struct TCPAevent) >= vend)||
                    (vaddr + sizeof(struct TCPAevent) < vaddr))
                        break;
                event = (struct TCPAevent *)(void *)vaddr;
                if (vaddr + event->event_size >= vend)
                        break;
                if (vaddr + event->event_size < vaddr)
                        break;
                if (event->event_type == 0 && event->event_size == 0)
                        break;
#if 0
                {
                unsigned int i, j, k;

                printf("\n\tsize %d\n\t\t%p ", event->event_size, vaddr);
                for (j = 0, i = 0; i <
                    sizeof(struct TCPAevent) + event->event_size; i++) {
                        printf("%02x ", vaddr[i]);
                        if ((i+1) % 8 == 0) {
                                for (k = 0; k < 8; k++)
                                        printf("%c", isprint(vaddr[j+k]) ?
                                            vaddr[j+k] : '.');
                                printf("\n\t\t%p ", &vaddr[i + 1]);
                                j = i + 1;
                        }
                }
                printf("\n"); }
#endif
                acpi_print_tcpa(event);

                vaddr += sizeof(struct TCPAevent) + event->event_size;
        }

        printf(END_COMMENT);
}

static void
acpi_handle_tpm2(ACPI_TABLE_HEADER *sdp)
{
        ACPI_TABLE_TPM2 *tpm2;
        const char *class;

        printf(BEGIN_COMMENT);

        acpi_print_sdt(sdp);
        tpm2 = (ACPI_TABLE_TPM2 *)sdp;

        if (tpm2->PlatformClass == 0) {
                class = "Client";
        } else if (tpm2->PlatformClass == 1) {
                class = "Server";
        } else {
                class = "Unknown";
        }
        printf("\tClass=%s (%u)\n", class, tpm2->PlatformClass);
        printf("\tControl Address=0x%"PRIx64"\n", tpm2->ControlAddress);
        printf("\tStart Method=%u\n", tpm2->StartMethod);

        printf(END_COMMENT);
}

static const char *
devscope_type2str(int type)
{
        static char typebuf[16];

        switch (type) {
        case 1:
                return ("PCI Endpoint Device");
        case 2:
                return ("PCI Sub-Hierarchy");
        case 3:
                return ("IOAPIC");
        case 4:
                return ("HPET");
        case 5:
                return ("ACPI Name space");
        default:
                snprintf(typebuf, sizeof(typebuf), "%d", type);
                return (typebuf);
        }
}

static int
acpi_handle_dmar_devscope(void *addr, int remaining)
{
        char sep;
        int pathlen;
        ACPI_DMAR_PCI_PATH *path, *pathend;
        ACPI_DMAR_DEVICE_SCOPE *devscope = addr;

        if (remaining < (int)sizeof(ACPI_DMAR_DEVICE_SCOPE))
                return (-1);

        if (remaining < devscope->Length)
                return (-1);

        printf("\n");
        printf("\t\tType=%s\n", devscope_type2str(devscope->EntryType));
        printf("\t\tLength=%d\n", devscope->Length);
        printf("\t\tEnumerationId=%d\n", devscope->EnumerationId);
        printf("\t\tStartBusNumber=%d\n", devscope->Bus);

        path = (ACPI_DMAR_PCI_PATH *)(devscope + 1);
        pathlen = devscope->Length - sizeof(ACPI_DMAR_DEVICE_SCOPE);
        pathend = path + pathlen / sizeof(ACPI_DMAR_PCI_PATH);
        if (path < pathend) {
                sep = '{';
                printf("\t\tPath=");
                do {
                        printf("%c%d:%d", sep, path->Device, path->Function);
                        sep=',';
                        path++;
                } while (path < pathend);
                printf("}\n");
        }

        return (devscope->Length);
}

static void
acpi_handle_dmar_drhd(ACPI_DMAR_HARDWARE_UNIT *drhd)
{
        char *cp;
        int remaining, consumed;

        printf("\n");
        printf("\tType=DRHD\n");
        printf("\tLength=%d\n", drhd->Header.Length);

#define PRINTFLAG(var, flag)    printflag((var), ACPI_DMAR_## flag, #flag)

        printf("\tFlags=");
        PRINTFLAG(drhd->Flags, INCLUDE_ALL);
        PRINTFLAG_END();

#undef PRINTFLAG

        printf("\tSegment=%d\n", drhd->Segment);
        printf("\tAddress=0x%016jx\n", (uintmax_t)drhd->Address);

        remaining = drhd->Header.Length - sizeof(ACPI_DMAR_HARDWARE_UNIT);
        if (remaining > 0)
                printf("\tDevice Scope:");
        while (remaining > 0) {
                cp = (char *)drhd + drhd->Header.Length - remaining;
                consumed = acpi_handle_dmar_devscope(cp, remaining);
                if (consumed <= 0)
                        break;
                else
                        remaining -= consumed;
        }
}

static void
acpi_handle_dmar_rmrr(ACPI_DMAR_RESERVED_MEMORY *rmrr)
{
        char *cp;
        int remaining, consumed;

        printf("\n");
        printf("\tType=RMRR\n");
        printf("\tLength=%d\n", rmrr->Header.Length);
        printf("\tSegment=%d\n", rmrr->Segment);
        printf("\tBaseAddress=0x%016jx\n", (uintmax_t)rmrr->BaseAddress);
        printf("\tLimitAddress=0x%016jx\n", (uintmax_t)rmrr->EndAddress);

        remaining = rmrr->Header.Length - sizeof(ACPI_DMAR_RESERVED_MEMORY);
        if (remaining > 0)
                printf("\tDevice Scope:");
        while (remaining > 0) {
                cp = (char *)rmrr + rmrr->Header.Length - remaining;
                consumed = acpi_handle_dmar_devscope(cp, remaining);
                if (consumed <= 0)
                        break;
                else
                        remaining -= consumed;
        }
}

static void
acpi_handle_dmar_atsr(ACPI_DMAR_ATSR *atsr)
{
        char *cp;
        int remaining, consumed;

        printf("\n");
        printf("\tType=ATSR\n");
        printf("\tLength=%d\n", atsr->Header.Length);

#define PRINTFLAG(var, flag)    printflag((var), ACPI_DMAR_## flag, #flag)

        printf("\tFlags=");
        PRINTFLAG(atsr->Flags, ALL_PORTS);
        PRINTFLAG_END();

#undef PRINTFLAG

        printf("\tSegment=%d\n", atsr->Segment);

        remaining = atsr->Header.Length - sizeof(ACPI_DMAR_ATSR);
        if (remaining > 0)
                printf("\tDevice Scope:");
        while (remaining > 0) {
                cp = (char *)atsr + atsr->Header.Length - remaining;
                consumed = acpi_handle_dmar_devscope(cp, remaining);
                if (consumed <= 0)
                        break;
                else
                        remaining -= consumed;
        }
}

static void
acpi_handle_dmar_rhsa(ACPI_DMAR_RHSA *rhsa)
{

        printf("\n");
        printf("\tType=RHSA\n");
        printf("\tLength=%d\n", rhsa->Header.Length);
        printf("\tBaseAddress=0x%016jx\n", (uintmax_t)rhsa->BaseAddress);
        printf("\tProximityDomain=0x%08x\n", rhsa->ProximityDomain);
}

static void
acpi_handle_dmar_andd(ACPI_DMAR_ANDD *andd)
{

        printf("\n");
        printf("\tType=ANDD\n");
        printf("\tLength=%d\n", andd->Header.Length);
        printf("\tDeviceNumber=%d\n", andd->DeviceNumber);
        printf("\tDeviceName=0x%s\n", andd->DeviceName);
}

static int
acpi_handle_dmar_remapping_structure(void *addr, int remaining)
{
        ACPI_DMAR_HEADER *hdr = addr;

        if (remaining < (int)sizeof(ACPI_DMAR_HEADER))
                return (-1);

        if (remaining < hdr->Length)
                return (-1);

        switch (hdr->Type) {
        case ACPI_DMAR_TYPE_HARDWARE_UNIT:
                acpi_handle_dmar_drhd(addr);
                break;
        case ACPI_DMAR_TYPE_RESERVED_MEMORY:
                acpi_handle_dmar_rmrr(addr);
                break;
        case ACPI_DMAR_TYPE_ROOT_ATS:
                acpi_handle_dmar_atsr(addr);
                break;
        case ACPI_DMAR_TYPE_HARDWARE_AFFINITY:
                acpi_handle_dmar_rhsa(addr);
                break;
        case ACPI_DMAR_TYPE_NAMESPACE:
                acpi_handle_dmar_andd(addr);
                break;
        default:
                printf("\n");
                printf("\tType=%d\n", hdr->Type);
                printf("\tLength=%d\n", hdr->Length);
                break;
        }
        return (hdr->Length);
}

#ifndef ACPI_DMAR_X2APIC_OPT_OUT
#define ACPI_DMAR_X2APIC_OPT_OUT        (0x2)
#endif

static void
acpi_handle_dmar(ACPI_TABLE_HEADER *sdp)
{
        char *cp;
        int remaining, consumed;
        ACPI_TABLE_DMAR *dmar;

        printf(BEGIN_COMMENT);
        acpi_print_sdt(sdp);
        dmar = (ACPI_TABLE_DMAR *)sdp;
        printf("\tHost Address Width=%d\n", dmar->Width + 1);

#define PRINTFLAG(var, flag)    printflag((var), ACPI_DMAR_## flag, #flag)

        printf("\tFlags=");
        PRINTFLAG(dmar->Flags, INTR_REMAP);
        PRINTFLAG(dmar->Flags, X2APIC_OPT_OUT);
        PRINTFLAG(dmar->Flags, X2APIC_MODE);
        PRINTFLAG_END();

#undef PRINTFLAG

        remaining = sdp->Length - sizeof(ACPI_TABLE_DMAR);
        while (remaining > 0) {
                cp = (char *)sdp + sdp->Length - remaining;
                consumed = acpi_handle_dmar_remapping_structure(cp, remaining);
                if (consumed <= 0)
                        break;
                else
                        remaining -= consumed;
        }

        printf(END_COMMENT);
}

static void
acpi_handle_uefi(ACPI_TABLE_HEADER *sdp)
{
        ACPI_TABLE_UEFI *uefi;
        char *uuidstr;
        uint32_t status;

        printf(BEGIN_COMMENT);
        acpi_print_sdt(sdp);
        uefi = (ACPI_TABLE_UEFI *)sdp;

        uuid_to_string((uuid_t *)(uefi->Identifier),
            &uuidstr, &status);
        if (status != uuid_s_ok)
                errx(1, "uuid_to_string: status=%u", status);
        printf("\tUUID=%s\n", uuidstr);
        free(uuidstr);

        printf("\tDataOffset=%04hx\n", uefi->DataOffset);
        /* XXX need write */

        printf(END_COMMENT);
}

static void
acpi_handle_waet(ACPI_TABLE_HEADER *sdp)
{
        ACPI_TABLE_WAET *waet;

        printf(BEGIN_COMMENT);
        acpi_print_sdt(sdp);
        waet = (ACPI_TABLE_WAET *)sdp;

        printf("\tRTC Timer={");
        if (waet->Flags & ACPI_WAET_RTC_NO_ACK)
                printf("No ACK required");
        else
                printf("default behaviour");
        printf("}\n");
        printf("\t ACPI PM Timer={");
        if (waet->Flags & ACPI_WAET_TIMER_ONE_READ)
                printf("One Read sufficient");
        else
                printf("default behaviour");
        printf("}\n");

        printf(END_COMMENT);
}

static void
acpi_print_wdat_action(ACPI_WHEA_HEADER *whea)
{
        printf("\tACTION={");
        switch (whea->Action) {
        case ACPI_WDAT_RESET:
                printf("RESET");
                break;
        case ACPI_WDAT_GET_CURRENT_COUNTDOWN:
                printf("GET_CURRENT_COUNTDOWN");
                break;
        case ACPI_WDAT_GET_COUNTDOWN:
                printf("GET_COUNTDOWN");
                break;
        case ACPI_WDAT_SET_COUNTDOWN:
                printf("SET_COUNTDOWN");
                break;
        case ACPI_WDAT_GET_RUNNING_STATE:
                printf("GET_RUNNING_STATE");
                break;
        case ACPI_WDAT_SET_RUNNING_STATE:
                printf("SET_RUNNING_STATE");
                break;
        case ACPI_WDAT_GET_STOPPED_STATE:
                printf("GET_STOPPED_STATE");
                break;
        case ACPI_WDAT_SET_STOPPED_STATE:
                printf("SET_STOPPED_STATE");
                break;
        case ACPI_WDAT_GET_REBOOT:
                printf("GET_REBOOT");
                break;
        case ACPI_WDAT_SET_REBOOT:
                printf("SET_REBOOT");
                break;
        case ACPI_WDAT_GET_SHUTDOWN:
                printf("GET_SHUTDOWN");
                break;
        case ACPI_WDAT_SET_SHUTDOWN:
                printf("SET_SHUTDOWN");
                break;
        case ACPI_WDAT_GET_STATUS:
                printf("GET_STATUS");
                break;
        case ACPI_WDAT_SET_STATUS:
                printf("SET_STATUS");
                break;
        case ACPI_WDAT_ACTION_RESERVED:
                printf("ACTION_RESERVED");
                break;
        default:
                printf("%d", whea->Action);
                break;
        }
        printf("}\n");
}

static void
acpi_print_wdat_instruction(ACPI_WHEA_HEADER *whea)
{
        uint32_t ins;

        ins = whea->Instruction & ~ACPI_WDAT_PRESERVE_REGISTER;

        printf("\tINSTRUCTION={");
        switch (ins) {
        case ACPI_WDAT_READ_VALUE:
                printf("READ_VALUE");
                break;
        case ACPI_WDAT_READ_COUNTDOWN:
                printf("READ_COUNTDOWN");
                break;
        case ACPI_WDAT_WRITE_VALUE:
                printf("WRITE_VALUE");
                break;
        case ACPI_WDAT_WRITE_COUNTDOWN:
                printf("WRITE_COUNTDOWN");
                break;
        case ACPI_WDAT_INSTRUCTION_RESERVED:
                printf("INSTRUCTION_RESERVED");
                break;
        default:
                printf("%d", ins);
                break;
        }

        if (whea->Instruction & ACPI_WDAT_PRESERVE_REGISTER)
                printf(", Preserve Register");

        printf("}\n");
}

static void
acpi_handle_wdat(ACPI_TABLE_HEADER *sdp)
{
        ACPI_TABLE_WDAT *wdat;
        ACPI_WHEA_HEADER *whea;
        ACPI_WDAT_ENTRY *wdat_pos;
        u_int i;

        printf(BEGIN_COMMENT);
        acpi_print_sdt(sdp);
        wdat = (ACPI_TABLE_WDAT *)sdp;

        printf("\tHeader Length=%d\n", wdat->HeaderLength);

        acpi_print_pci_sbdf(wdat->PciSegment, wdat->PciBus, wdat->PciDevice,
            wdat->PciFunction);
        printf("\n\tTimer Counter Period=%d msec\n", wdat->TimerPeriod);
        printf("\tTimer Maximum Counter Value=%d\n", wdat->MaxCount);
        printf("\tTimer Minimum Counter Value=%d\n", wdat->MinCount);

        printf("\tFlags={");
        if (wdat->Flags & ACPI_WDAT_ENABLED)
                printf("ENABLED");
        if (wdat->Flags & ACPI_WDAT_STOPPED)
                printf(", STOPPED");
        printf("}\n");

        wdat_pos = (ACPI_WDAT_ENTRY *)((char *)wdat + sizeof(ACPI_TABLE_WDAT));

        for (i = 0; i < wdat->Entries; i++) {
                whea = (ACPI_WHEA_HEADER *)wdat_pos;
                acpi_print_whea(whea,
                    acpi_print_wdat_action, acpi_print_wdat_instruction,
                    NULL);
                wdat_pos++;
        }
        printf(END_COMMENT);
}

static void
acpi_handle_wddt(ACPI_TABLE_HEADER *sdp)
{
        ACPI_TABLE_WDDT *wddt;

        printf(BEGIN_COMMENT);
        acpi_print_sdt(sdp);
        wddt = (ACPI_TABLE_WDDT *)sdp;

        printf("\tSpecVersion=%04hx\n", wddt->SpecVersion);
        printf("\tTableVersion=%04hx\n", wddt->TableVersion);
        printf("\tPciVendorID=%04hx\n", wddt->PciVendorId);
        printf("\tAddress=");
        acpi_print_gas(&wddt->Address);
        printf("\n\tTimer Maximum Counter Value=%d\n", wddt->MaxCount);
        printf("\tTimer Minimum Counter Value=%d\n", wddt->MinCount);
        printf("\tTimer Counter Period=%d\n", wddt->Period);

#define PRINTFLAG(var, flag)    printflag((var), ACPI_WDDT_## flag, #flag)

        printf("\tStatus=");
        PRINTFLAG(wddt->Status, AVAILABLE);
        PRINTFLAG(wddt->Status, ACTIVE);
        PRINTFLAG(wddt->Status, TCO_OS_OWNED);
        PRINTFLAG(wddt->Status, USER_RESET);
        PRINTFLAG(wddt->Status, WDT_RESET);
        PRINTFLAG(wddt->Status, POWER_FAIL);
        PRINTFLAG(wddt->Status, UNKNOWN_RESET);
        PRINTFLAG_END();

        printf("\tCapability=");
        PRINTFLAG(wddt->Capability, AUTO_RESET);
        PRINTFLAG(wddt->Capability, ALERT_SUPPORT);
        PRINTFLAG_END();

#undef PRINTFLAG

        printf(END_COMMENT);
}

static void
acpi_handle_wdrt(ACPI_TABLE_HEADER *sdp)
{
        ACPI_TABLE_WDRT *wdrt;

        printf(BEGIN_COMMENT);
        acpi_print_sdt(sdp);
        wdrt = (ACPI_TABLE_WDRT *)sdp;

        printf("\tControl Register=");
        acpi_print_gas(&wdrt->ControlRegister);
        printf("\n\tCount Register=");
        acpi_print_gas(&wdrt->CountRegister);
        printf("\n");
        acpi_print_pci(wdrt->PciVendorId, wdrt->PciDeviceId,
            wdrt->PciSegment, wdrt->PciBus, wdrt->PciDevice, wdrt->PciFunction);

        /* Value must be >= 511 and < 65535 */
        printf("\tMaxCount=%d", wdrt->MaxCount);
        if (wdrt->MaxCount < 511)
                printf(" (Out of Range. Valid range: 511 <= maxcount < 65535)");
        printf("\n");

        printf("\tUnit={");
        switch (wdrt->Units) {
        case 0:
                printf("1 seconds/count");
                break;
        case 1:
                printf("100 milliseconds/count");
                break;
        case 2:
                printf("10 milliseconds/count");
                break;
        default:
                printf("%d", wdrt->Units);
                break;
        }
        printf("}\n");

        printf(END_COMMENT);
}

static void
acpi_print_sdt(ACPI_TABLE_HEADER *sdp)
{
        printf("  ");
        acpi_print_string(sdp->Signature, ACPI_NAMESEG_SIZE);
        printf(": Length=%d, Revision=%d, Checksum=%d",
               sdp->Length, sdp->Revision, sdp->Checksum);
        if (acpi_checksum(sdp, sdp->Length))
                printf(" (Incorrect)");
        printf(",\n\tOEMID=");
        acpi_print_string(sdp->OemId, ACPI_OEM_ID_SIZE);
        printf(", OEM Table ID=");
        acpi_print_string(sdp->OemTableId, ACPI_OEM_TABLE_ID_SIZE);
        printf(", OEM Revision=0x%x,\n", sdp->OemRevision);
        printf("\tCreator ID=");
        acpi_print_string(sdp->AslCompilerId, ACPI_NAMESEG_SIZE);
        printf(", Creator Revision=0x%x\n", sdp->AslCompilerRevision);
}

void
acpi_print_tabs(unsigned int n)
{

        while (n-- > 0)
                printf("\t");
}

static void
acpi_dump_bytes(uint8_t *p, uint32_t len, unsigned int ntabs)
{
        unsigned int i;

        acpi_print_tabs(ntabs);
        printf("Data={");
        for (i = 0; i < len; i++) {
                if (cflag) {
                        if (i % 64 == 0) {
                                printf("\n");
                                acpi_print_tabs(ntabs);
                                printf(" ");
                        } else if (i % 16 == 0)
                                printf(" ");
                        printf("%c", (p[i] >= ' ' && p[i] <= '~') ? p[i] : '.');
                } else {
                        if (i % 16 == 0) {
                                printf("\n");
                                acpi_print_tabs(ntabs + 1);
                        } else if (i % 8 == 0)
                                printf("   ");
                        printf(" %02x", p[i]);
                }
        }
        printf("\n");
        acpi_print_tabs(ntabs);
        printf("}\n");
}

/* Dump data which has ACPI_TABLE_HEADER */
static void
acpi_dump_table(ACPI_TABLE_HEADER *sdp)
{

        acpi_dump_bytes((uint8_t *)sdp, sdp->Length, 1);
}

static void
acpi_print_rsdt(ACPI_TABLE_HEADER *rsdp)
{
        ACPI_TABLE_RSDT *rsdt;
        ACPI_TABLE_XSDT *xsdt;
        int     i, entries;

        rsdt = (ACPI_TABLE_RSDT *)rsdp;
        xsdt = (ACPI_TABLE_XSDT *)rsdp;
        printf(BEGIN_COMMENT);
        acpi_print_sdt(rsdp);
        entries = (rsdp->Length - sizeof(ACPI_TABLE_HEADER)) / addr_size;
        printf("\tEntries={ ");
        for (i = 0; i < entries; i++) {
                if (i > 0)
                        printf(", ");
                if (addr_size == 4)
                        printf("0x%08x", le32toh(rsdt->TableOffsetEntry[i]));
                else
                        printf("0x%016jx",
                            (uintmax_t)le64toh(xsdt->TableOffsetEntry[i]));
        }
        printf(" }\n");
        printf(END_COMMENT);
}

static const char *acpi_pm_profiles[] = {
        "Unspecified", "Desktop", "Mobile", "Workstation",
        "Enterprise Server", "SOHO Server", "Appliance PC",
        "Performance Server", "Tablet"
};

static void
acpi_print_fadt(ACPI_TABLE_HEADER *sdp)
{
        ACPI_TABLE_FADT *fadt;
        const char *pm;

        fadt = (ACPI_TABLE_FADT *)sdp;
        printf(BEGIN_COMMENT);
        acpi_print_sdt(sdp);
        printf(" \tFACS=0x%x, DSDT=0x%x\n", fadt->Facs,
               fadt->Dsdt);
        /* XXX ACPI 2.0 eliminated this */
        printf("\tINT_MODEL=%s\n", fadt->Model ? "APIC" : "PIC");
        if (fadt->PreferredProfile >= sizeof(acpi_pm_profiles) / sizeof(char *))
                pm = "Reserved";
        else
                pm = acpi_pm_profiles[fadt->PreferredProfile];
        printf("\tPreferred_PM_Profile=%s (%d)\n", pm, fadt->PreferredProfile);
        printf("\tSCI_INT=%d\n", fadt->SciInterrupt);
        printf("\tSMI_CMD=0x%x, ", fadt->SmiCommand);
        printf("ACPI_ENABLE=0x%x, ", fadt->AcpiEnable);
        printf("ACPI_DISABLE=0x%x, ", fadt->AcpiDisable);
        printf("S4BIOS_REQ=0x%x\n", fadt->S4BiosRequest);
        printf("\tPSTATE_CNT=0x%x\n", fadt->PstateControl);
        printf("\tPM1a_EVT_BLK=0x%x-0x%x\n",
               fadt->Pm1aEventBlock,
               fadt->Pm1aEventBlock + fadt->Pm1EventLength - 1);
        if (fadt->Pm1bEventBlock != 0)
                printf("\tPM1b_EVT_BLK=0x%x-0x%x\n",
                       fadt->Pm1bEventBlock,
                       fadt->Pm1bEventBlock + fadt->Pm1EventLength - 1);
        printf("\tPM1a_CNT_BLK=0x%x-0x%x\n",
               fadt->Pm1aControlBlock,
               fadt->Pm1aControlBlock + fadt->Pm1ControlLength - 1);
        if (fadt->Pm1bControlBlock != 0)
                printf("\tPM1b_CNT_BLK=0x%x-0x%x\n",
                       fadt->Pm1bControlBlock,
                       fadt->Pm1bControlBlock + fadt->Pm1ControlLength - 1);
        if (fadt->Pm2ControlBlock != 0)
                printf("\tPM2_CNT_BLK=0x%x-0x%x\n",
                       fadt->Pm2ControlBlock,
                       fadt->Pm2ControlBlock + fadt->Pm2ControlLength - 1);
        if (fadt->PmTimerBlock != 0)
                printf("\tPM_TMR_BLK=0x%x-0x%x\n",
                    fadt->PmTimerBlock,
                    fadt->PmTimerBlock + fadt->PmTimerLength - 1);
        if (fadt->Gpe0Block != 0)
                printf("\tGPE0_BLK=0x%x-0x%x\n",
                       fadt->Gpe0Block,
                       fadt->Gpe0Block + fadt->Gpe0BlockLength - 1);
        if (fadt->Gpe1Block != 0)
                printf("\tGPE1_BLK=0x%x-0x%x, GPE1_BASE=%d\n",
                       fadt->Gpe1Block,
                       fadt->Gpe1Block + fadt->Gpe1BlockLength - 1,
                       fadt->Gpe1Base);
        if (fadt->CstControl != 0)
                printf("\tCST_CNT=0x%x\n", fadt->CstControl);
        printf("\tP_LVL2_LAT=%d us, P_LVL3_LAT=%d us\n",
               fadt->C2Latency, fadt->C3Latency);
        printf("\tFLUSH_SIZE=%d, FLUSH_STRIDE=%d\n",
               fadt->FlushSize, fadt->FlushStride);
        printf("\tDUTY_OFFSET=%d, DUTY_WIDTH=%d\n",
               fadt->DutyOffset, fadt->DutyWidth);
        printf("\tDAY_ALRM=%d, MON_ALRM=%d, CENTURY=%d\n",
               fadt->DayAlarm, fadt->MonthAlarm, fadt->Century);

#define PRINTFLAG(var, flag)    printflag((var), ACPI_FADT_## flag, #flag)

        printf("\tIAPC_BOOT_ARCH=");
        PRINTFLAG(fadt->BootFlags, LEGACY_DEVICES);
        PRINTFLAG(fadt->BootFlags, 8042);
        PRINTFLAG(fadt->BootFlags, NO_VGA);
        PRINTFLAG(fadt->BootFlags, NO_MSI);
        PRINTFLAG(fadt->BootFlags, NO_ASPM);
        PRINTFLAG(fadt->BootFlags, NO_CMOS_RTC);
        PRINTFLAG_END();

        printf("\tFlags=");
        PRINTFLAG(fadt->Flags, WBINVD);
        PRINTFLAG(fadt->Flags, WBINVD_FLUSH);
        PRINTFLAG(fadt->Flags, C1_SUPPORTED);
        PRINTFLAG(fadt->Flags, C2_MP_SUPPORTED);
        PRINTFLAG(fadt->Flags, POWER_BUTTON);
        PRINTFLAG(fadt->Flags, SLEEP_BUTTON);
        PRINTFLAG(fadt->Flags, FIXED_RTC);
        PRINTFLAG(fadt->Flags, S4_RTC_WAKE);
        PRINTFLAG(fadt->Flags, 32BIT_TIMER);
        PRINTFLAG(fadt->Flags, DOCKING_SUPPORTED);
        PRINTFLAG(fadt->Flags, RESET_REGISTER);
        PRINTFLAG(fadt->Flags, SEALED_CASE);
        PRINTFLAG(fadt->Flags, HEADLESS);
        PRINTFLAG(fadt->Flags, SLEEP_TYPE);
        PRINTFLAG(fadt->Flags, PCI_EXPRESS_WAKE);
        PRINTFLAG(fadt->Flags, PLATFORM_CLOCK);
        PRINTFLAG(fadt->Flags, S4_RTC_VALID);
        PRINTFLAG(fadt->Flags, REMOTE_POWER_ON);
        PRINTFLAG(fadt->Flags, APIC_CLUSTER);
        PRINTFLAG(fadt->Flags, APIC_PHYSICAL);
        PRINTFLAG(fadt->Flags, HW_REDUCED);
        PRINTFLAG(fadt->Flags, LOW_POWER_S0);
        PRINTFLAG_END();

        if (sdp->Length < ACPI_FADT_V2_SIZE)
                goto out;

        if (fadt->Flags & ACPI_FADT_RESET_REGISTER) {
                printf("\tRESET_REG=");
                acpi_print_gas(&fadt->ResetRegister);
                printf(", RESET_VALUE=%#x\n", fadt->ResetValue);
        }

        printf("\tArmBootFlags=");
        PRINTFLAG(fadt->ArmBootFlags, PSCI_COMPLIANT);
        PRINTFLAG(fadt->ArmBootFlags, PSCI_USE_HVC);
        PRINTFLAG_END();

#undef PRINTFLAG

        printf("\tMinorRevision=%u\n", fadt->MinorRevision);

        if (sdp->Length < ACPI_FADT_V3_SIZE)
                goto out;

        printf("\tX_FACS=0x%016jx, ", (uintmax_t)fadt->XFacs);
        printf("X_DSDT=0x%016jx\n", (uintmax_t)fadt->XDsdt);
        printf("\tX_PM1a_EVT_BLK=");
        acpi_print_gas(&fadt->XPm1aEventBlock);
        if (fadt->XPm1bEventBlock.Address != 0) {
                printf("\n\tX_PM1b_EVT_BLK=");
                acpi_print_gas(&fadt->XPm1bEventBlock);
        }
        printf("\n\tX_PM1a_CNT_BLK=");
        acpi_print_gas(&fadt->XPm1aControlBlock);
        if (fadt->XPm1bControlBlock.Address != 0) {
                printf("\n\tX_PM1b_CNT_BLK=");
                acpi_print_gas(&fadt->XPm1bControlBlock);
        }
        if (fadt->XPm2ControlBlock.Address != 0) {
                printf("\n\tX_PM2_CNT_BLK=");
                acpi_print_gas(&fadt->XPm2ControlBlock);
        }
        if (fadt->XPmTimerBlock.Address != 0) {
                printf("\n\tX_PM_TMR_BLK=");
                acpi_print_gas(&fadt->XPmTimerBlock);
        }
        if (fadt->XGpe0Block.Address != 0) {
                printf("\n\tX_GPE0_BLK=");
                acpi_print_gas(&fadt->XGpe0Block);
        }
        if (fadt->XGpe1Block.Address != 0) {
                printf("\n\tX_GPE1_BLK=");
                acpi_print_gas(&fadt->XGpe1Block);
        }
        printf("\n");

        if (sdp->Length < ACPI_FADT_V5_SIZE)
                goto out;

        if (fadt->SleepControl.Address != 0) {
                printf("\tSleepControl=");
                acpi_print_gas(&fadt->SleepControl);
                printf("\n");
        }
        if (fadt->SleepStatus.Address != 0) {
                printf("\n\tSleepStatus=");
                acpi_print_gas(&fadt->SleepStatus);
                printf("\n");
        }

        if (sdp->Length < ACPI_FADT_V6_SIZE)
                goto out;

        printf("\tHypervisorId=0x%016"PRIx64"\n", fadt->HypervisorId);

out:
        printf(END_COMMENT);
}

static void
acpi_print_facs(ACPI_TABLE_FACS *facs)
{
        printf(BEGIN_COMMENT);
        printf("  FACS:\tLength=%u, ", facs->Length);
        printf("HwSig=0x%08x, ", facs->HardwareSignature);
        printf("Firm_Wake_Vec=0x%08x\n", facs->FirmwareWakingVector);

#define PRINTFLAG(var, flag)    printflag((var), ACPI_GLOCK_## flag, #flag)

        printf("\tGlobal_Lock=");
        PRINTFLAG(facs->GlobalLock, PENDING);
        PRINTFLAG(facs->GlobalLock, OWNED);
        PRINTFLAG_END();

#undef PRINTFLAG

#define PRINTFLAG(var, flag)    printflag((var), ACPI_FACS_## flag, #flag)

        printf("\tFlags=");
        PRINTFLAG(facs->Flags, S4_BIOS_PRESENT);
        PRINTFLAG(facs->Flags, 64BIT_WAKE);
        PRINTFLAG_END();

#undef PRINTFLAG

        if (facs->XFirmwareWakingVector != 0)
                printf("\tX_Firm_Wake_Vec=%016jx\n",
                    (uintmax_t)facs->XFirmwareWakingVector);
        printf("\tVersion=%u\n", facs->Version);

        printf("\tOspmFlags={");
        if (facs->OspmFlags & ACPI_FACS_64BIT_ENVIRONMENT)
                printf("64BIT_WAKE");
        printf("}\n");

        printf(END_COMMENT);
}

static void
acpi_print_dsdt(ACPI_TABLE_HEADER *dsdp)
{
        printf(BEGIN_COMMENT);
        acpi_print_sdt(dsdp);
        printf(END_COMMENT);
}

int
acpi_checksum(void *p, size_t length)
{
        uint8_t *bp;
        uint8_t sum;

        bp = p;
        sum = 0;
        while (length--)
                sum += *bp++;

        return (sum);
}

static ACPI_TABLE_HEADER *
acpi_map_sdt(vm_offset_t pa)
{
        ACPI_TABLE_HEADER *sp;

        sp = acpi_map_physical(pa, sizeof(ACPI_TABLE_HEADER));
        sp = acpi_map_physical(pa, sp->Length);
        return (sp);
}

static void
acpi_print_rsd_ptr(ACPI_TABLE_RSDP *rp)
{
        printf(BEGIN_COMMENT);
        printf("  RSD PTR: OEM=");
        acpi_print_string(rp->OemId, ACPI_OEM_ID_SIZE);
        printf(", ACPI_Rev=%s (%d)\n", rp->Revision < 2 ? "1.0x" : "2.0x",
               rp->Revision);
        if (rp->Revision < 2) {
                printf("\tRSDT=0x%08x, cksum=%u\n", rp->RsdtPhysicalAddress,
                    rp->Checksum);
        } else {
                printf("\tXSDT=0x%016jx, length=%u, cksum=%u\n",
                    (uintmax_t)rp->XsdtPhysicalAddress, rp->Length,
                    rp->ExtendedChecksum);
        }
        printf(END_COMMENT);
}

static void
acpi_handle_rsdt(ACPI_TABLE_HEADER *rsdp)
{
        ACPI_TABLE_HEADER *sdp;
        ACPI_TABLE_RSDT *rsdt;
        ACPI_TABLE_XSDT *xsdt;
        vm_offset_t addr = 0;
        int entries, i;

        acpi_print_rsdt(rsdp);
        rsdt = (ACPI_TABLE_RSDT *)rsdp;
        xsdt = (ACPI_TABLE_XSDT *)rsdp;
        entries = (rsdp->Length - sizeof(ACPI_TABLE_HEADER)) / addr_size;
        for (i = 0; i < entries; i++) {
                if (addr_size == 4)
                        addr = le32toh(rsdt->TableOffsetEntry[i]);
                else
                        addr = le64toh(xsdt->TableOffsetEntry[i]);
                if (addr == 0)
                        continue;
                sdp = (ACPI_TABLE_HEADER *)acpi_map_sdt(addr);
                if (acpi_checksum(sdp, sdp->Length)) {
                        warnx("RSDT entry %d (sig %.4s) is corrupt", i,
                            sdp->Signature);
                        if (sflag)
                                continue;
                }
                if (!memcmp(sdp->Signature, ACPI_SIG_FADT, 4))
                        acpi_handle_fadt(sdp);
                else if (!memcmp(sdp->Signature, ACPI_SIG_BERT, 4))
                        acpi_handle_bert(sdp);
                else if (!memcmp(sdp->Signature, ACPI_SIG_BGRT, 4))
                        acpi_handle_bgrt(sdp);
                else if (!memcmp(sdp->Signature, ACPI_SIG_BOOT, 4))
                        acpi_handle_boot(sdp);
                else if (!memcmp(sdp->Signature, ACPI_SIG_CPEP, 4))
                        acpi_handle_cpep(sdp);
                else if (!memcmp(sdp->Signature, ACPI_SIG_CSRT, 4))
                        acpi_handle_csrt(sdp);
                else if (!memcmp(sdp->Signature, ACPI_SIG_DBGP, 4))
                        acpi_handle_dbgp(sdp);
                else if (!memcmp(sdp->Signature, ACPI_SIG_DBG2, 4))
                        acpi_handle_dbg2(sdp);
                else if (!memcmp(sdp->Signature, ACPI_SIG_DMAR, 4))
                        acpi_handle_dmar(sdp);
                else if (!memcmp(sdp->Signature, ACPI_SIG_EINJ, 4))
                        acpi_handle_einj(sdp);
                else if (!memcmp(sdp->Signature, ACPI_SIG_ERST, 4))
                        acpi_handle_erst(sdp);
                else if (!memcmp(sdp->Signature, ACPI_SIG_GTDT, 4))
                        acpi_handle_gtdt(sdp);
                else if (!memcmp(sdp->Signature, ACPI_SIG_MADT, 4))
                        acpi_handle_madt(sdp);
                else if (!memcmp(sdp->Signature, ACPI_SIG_MSCT, 4))
                        acpi_handle_msct(sdp);
                else if (!memcmp(sdp->Signature, ACPI_SIG_HEST, 4))
                        acpi_handle_hest(sdp);
                else if (!memcmp(sdp->Signature, ACPI_SIG_HPET, 4))
                        acpi_handle_hpet(sdp);
                else if (!memcmp(sdp->Signature, ACPI_SIG_IORT, 4))
                        acpi_handle_iort(sdp);
                else if (!memcmp(sdp->Signature, ACPI_SIG_ECDT, 4))
                        acpi_handle_ecdt(sdp);
                else if (!memcmp(sdp->Signature, ACPI_SIG_LPIT, 4))
                        acpi_handle_lpit(sdp);
                else if (!memcmp(sdp->Signature, ACPI_SIG_MCFG, 4))
                        acpi_handle_mcfg(sdp);
                else if (!memcmp(sdp->Signature, ACPI_SIG_PCCT, 4))
                        acpi_handle_pcct(sdp);
                else if (!memcmp(sdp->Signature, ACPI_SIG_PPTT, 4))
                        acpi_handle_pptt(sdp);
                else if (!memcmp(sdp->Signature, ACPI_SIG_SBST, 4))
                        acpi_handle_sbst(sdp);
                else if (!memcmp(sdp->Signature, ACPI_SIG_SLIT, 4))
                        acpi_handle_slit(sdp);
                else if (!memcmp(sdp->Signature, ACPI_SIG_SPCR, 4))
                        acpi_handle_spcr(sdp);
                else if (!memcmp(sdp->Signature, ACPI_SIG_SPMI, 4))
                        acpi_handle_spmi(sdp);
                else if (!memcmp(sdp->Signature, ACPI_SIG_SRAT, 4))
                        acpi_handle_srat(sdp);
                else if (!memcmp(sdp->Signature, ACPI_SIG_TCPA, 4))
                        acpi_handle_tcpa(sdp);
                else if (!memcmp(sdp->Signature, ACPI_SIG_TPM2, 4))
                        acpi_handle_tpm2(sdp);
                else if (!memcmp(sdp->Signature, ACPI_SIG_NFIT, 4))
                        acpi_handle_nfit(sdp);
                else if (!memcmp(sdp->Signature, ACPI_SIG_UEFI, 4))
                        acpi_handle_uefi(sdp);
                else if (!memcmp(sdp->Signature, ACPI_SIG_WAET, 4))
                        acpi_handle_waet(sdp);
                else if (!memcmp(sdp->Signature, ACPI_SIG_WDAT, 4))
                        acpi_handle_wdat(sdp);
                else if (!memcmp(sdp->Signature, ACPI_SIG_WDDT, 4))
                        acpi_handle_wddt(sdp);
                else if (!memcmp(sdp->Signature, ACPI_SIG_WDRT, 4))
                        acpi_handle_wdrt(sdp);
                else {
                        printf(BEGIN_COMMENT);
                        acpi_print_sdt(sdp);
                        printf("\n");
                        acpi_dump_table(sdp);
                        printf(END_COMMENT);
                }
        }
}

ACPI_TABLE_HEADER *
sdt_load_devmem(void)
{
        ACPI_TABLE_RSDP *rp;
        ACPI_TABLE_HEADER *rsdp;

        rp = acpi_find_rsd_ptr();
        if (!rp)
                errx(EXIT_FAILURE, "Can't find ACPI information");

        if (tflag)
                acpi_print_rsd_ptr(rp);
        if (rp->Revision < 2) {
                rsdp = (ACPI_TABLE_HEADER *)acpi_map_sdt(rp->RsdtPhysicalAddress);
                if (memcmp(rsdp->Signature, "RSDT", 4) != 0 ||
                    acpi_checksum(rsdp, rsdp->Length) != 0)
                        errx(EXIT_FAILURE, "RSDT is corrupted");
                addr_size = sizeof(uint32_t);
        } else {
                rsdp = (ACPI_TABLE_HEADER *)acpi_map_sdt(rp->XsdtPhysicalAddress);
                if (memcmp(rsdp->Signature, "XSDT", 4) != 0 ||
                    acpi_checksum(rsdp, rsdp->Length) != 0)
                        errx(EXIT_FAILURE, "XSDT is corrupted");
                addr_size = sizeof(uint64_t);
        }
        return (rsdp);
}

/* Write the DSDT to a file, concatenating any SSDTs (if present). */
static int
write_dsdt(int fd, ACPI_TABLE_HEADER *rsdt, ACPI_TABLE_HEADER *dsdt)
{
        ACPI_TABLE_HEADER sdt;
        ACPI_TABLE_HEADER *ssdt;
        uint8_t sum;

        /* Create a new checksum to account for the DSDT and any SSDTs. */
        sdt = *dsdt;
        if (rsdt != NULL) {
                sdt.Checksum = 0;
                sum = acpi_checksum(dsdt + 1, dsdt->Length -
                    sizeof(ACPI_TABLE_HEADER));
                ssdt = sdt_from_rsdt(rsdt, ACPI_SIG_SSDT, NULL);
                while (ssdt != NULL) {
                        sdt.Length += ssdt->Length - sizeof(ACPI_TABLE_HEADER);
                        sum += acpi_checksum(ssdt + 1,
                            ssdt->Length - sizeof(ACPI_TABLE_HEADER));
                        ssdt = sdt_from_rsdt(rsdt, ACPI_SIG_SSDT, ssdt);
                }
                sum += acpi_checksum(&sdt, sizeof(ACPI_TABLE_HEADER));
                sdt.Checksum -= sum;
        }

        /* Write out the DSDT header and body. */
        write(fd, &sdt, sizeof(ACPI_TABLE_HEADER));
        write(fd, dsdt + 1, dsdt->Length - sizeof(ACPI_TABLE_HEADER));

        /* Write out any SSDTs (if present.) */
        if (rsdt != NULL) {
                ssdt = sdt_from_rsdt(rsdt, ACPI_SIG_SSDT, NULL);
                while (ssdt != NULL) {
                        write(fd, ssdt + 1, ssdt->Length -
                            sizeof(ACPI_TABLE_HEADER));
                        ssdt = sdt_from_rsdt(rsdt, ACPI_SIG_SSDT, ssdt);
                }
        }
        return (0);
}

void
dsdt_save_file(char *outfile, ACPI_TABLE_HEADER *rsdt, ACPI_TABLE_HEADER *dsdp)
{
        int     fd;
        mode_t  mode;

        assert(outfile != NULL);
        mode = S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH;
        fd = open(outfile, O_WRONLY | O_CREAT | O_TRUNC, mode);
        if (fd == -1) {
                perror("dsdt_save_file");
                return;
        }
        write_dsdt(fd, rsdt, dsdp);
        close(fd);
}

void
aml_disassemble(ACPI_TABLE_HEADER *rsdt, ACPI_TABLE_HEADER *dsdp)
{
        char buf[MAXPATHLEN], tmpstr[MAXPATHLEN], wrkdir[MAXPATHLEN];
        const char *iname = "/acpdump.din";
        const char *oname = "/acpdump.dsl";
        const char *tmpdir;
        FILE *fp;
        size_t len;
        int fd, status;
        pid_t pid;

        if (rsdt == NULL)
                errx(EXIT_FAILURE, "aml_disassemble: invalid rsdt");
        if (dsdp == NULL)
                errx(EXIT_FAILURE, "aml_disassemble: invalid dsdp");

        tmpdir = getenv("TMPDIR");
        if (tmpdir == NULL)
                tmpdir = _PATH_TMP;
        if (realpath(tmpdir, buf) == NULL) {
                perror("realpath tmp dir");
                return;
        }
        len = sizeof(wrkdir) - strlen(iname);
        if ((size_t)snprintf(wrkdir, len, "%s/acpidump.XXXXXX", buf) > len-1 ) {
                fprintf(stderr, "$TMPDIR too long\n");
                return;
        }
        if  (mkdtemp(wrkdir) == NULL) {
                perror("mkdtemp tmp working dir");
                return;
        }
        len = (size_t)snprintf(tmpstr, sizeof(tmpstr), "%s%s", wrkdir, iname);
        assert(len <= sizeof(tmpstr) - 1);
        fd = open(tmpstr, O_CREAT | O_WRONLY, S_IRUSR | S_IWUSR);
        if (fd < 0) {
                perror("iasl tmp file");
                return;
        }
        write_dsdt(fd, rsdt, dsdp);
        close(fd);

        /* Run iasl -d on the temp file */
        if ((pid = fork()) == 0) {
                close(STDOUT_FILENO);
                if (vflag == 0)
                        close(STDERR_FILENO);
                execl("/usr/bin/iasl", "iasl", "-d", tmpstr, NULL);
                err(EXIT_FAILURE, "exec");
        }
        if (pid > 0)
                wait(&status);
        if (unlink(tmpstr) < 0) {
                perror("unlink");
                goto out;
        }
        if (pid < 0) {
                perror("fork");
                goto out;
        }
        if (status != 0) {
                fprintf(stderr, "iasl exit status = %d\n", status);
        }

        /* Dump iasl's output to stdout */
        len = (size_t)snprintf(tmpstr, sizeof(tmpstr), "%s%s", wrkdir, oname);
        assert(len <= sizeof(tmpstr) - 1);
        fp = fopen(tmpstr, "r");
        if (unlink(tmpstr) < 0) {
                perror("unlink");
                goto out;
        }
        if (fp == NULL) {
                perror("iasl tmp file (read)");
                goto out;
        }
        while ((len = fread(buf, 1, sizeof(buf), fp)) > 0)
                fwrite(buf, 1, len, stdout);
        fclose(fp);

    out:
        if (rmdir(wrkdir) < 0)
                perror("rmdir");
}

void
sdt_print_all(ACPI_TABLE_HEADER *rsdp)
{
        acpi_handle_rsdt(rsdp);
}

/* Fetch a table matching the given signature via the RSDT. */
ACPI_TABLE_HEADER *
sdt_from_rsdt(ACPI_TABLE_HEADER *rsdp, const char *sig, ACPI_TABLE_HEADER *last)
{
        ACPI_TABLE_HEADER *sdt;
        ACPI_TABLE_RSDT *rsdt;
        ACPI_TABLE_XSDT *xsdt;
        vm_offset_t addr = 0;
        int entries, i;

        rsdt = (ACPI_TABLE_RSDT *)rsdp;
        xsdt = (ACPI_TABLE_XSDT *)rsdp;
        entries = (rsdp->Length - sizeof(ACPI_TABLE_HEADER)) / addr_size;
        for (i = 0; i < entries; i++) {
                if (addr_size == 4)
                        addr = le32toh(rsdt->TableOffsetEntry[i]);
                else
                        addr = le64toh(xsdt->TableOffsetEntry[i]);
                if (addr == 0)
                        continue;
                sdt = (ACPI_TABLE_HEADER *)acpi_map_sdt(addr);
                if (last != NULL) {
                        if (sdt == last)
                                last = NULL;
                        continue;
                }
                if (memcmp(sdt->Signature, sig, strlen(sig)))
                        continue;
                if (acpi_checksum(sdt, sdt->Length))
                        errx(EXIT_FAILURE, "RSDT entry %d is corrupt", i);
                return (sdt);
        }

        return (NULL);
}

ACPI_TABLE_HEADER *
dsdt_from_fadt(ACPI_TABLE_FADT *fadt)
{
        ACPI_TABLE_HEADER       *sdt;

        /* Use the DSDT address if it is version 1, otherwise use XDSDT. */
        sdt = (ACPI_TABLE_HEADER *)acpi_map_sdt(
                acpi_select_address(fadt->Dsdt, fadt->XDsdt));
        if (acpi_checksum(sdt, sdt->Length))
                errx(EXIT_FAILURE, "DSDT is corrupt");
        return (sdt);
}