xref: /freebsd/usr.sbin/acpi/acpidump/acpi.c (revision 6b2e4da4430029b16591c64aaef78bcd1644cedc)

/*-
 * SPDX-License-Identifier: BSD-2-Clause
 *
 * Copyright (c) 1998 Doug Rabson
 * Copyright (c) 2000 Mitsuru IWASAKI <iwasaki@FreeBSD.org>
 * Copyright (c) 2020 Alexander Motin <mav@FreeBSD.org>
 * Copyright (c) 2024 The FreeBSD Foundation
 * All rights reserved.
 *
 * Portions of this software were developed by Konstantin Belousov
 * under sponsorship from the FreeBSD Foundation.
 *
 * 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.
 */

#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 <uuid.h>

#include "acpidump.h"

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

static void	acpi_print_string(char *s, size_t length);
static void	acpi_print_gas(ACPI_GENERIC_ADDRESS *gas);
static int	acpi_get_fadt_revision(ACPI_TABLE_FADT *fadt);
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 lint, uint16_t mps_flags);
static void	acpi_print_madt(ACPI_SUBTABLE_HEADER *mp);
static void	acpi_handle_madt(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_slit(ACPI_TABLE_HEADER *sdp);
static void	acpi_handle_wddt(ACPI_TABLE_HEADER *sdp);
static void	acpi_handle_lpit(ACPI_TABLE_HEADER *sdp);
static void	acpi_print_srat_cpu(uint32_t apic_id, uint32_t proximity_domain,
		    uint32_t flags);
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_print_nfit(ACPI_NFIT_HEADER *nfit);
static void	acpi_handle_nfit(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, const char *elm);
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 Configurateion",
	"<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("}");
		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
printfield(uint64_t var, int lbit, int hbit, const char *name)
{
	uint64_t mask;
	int len;

	len = hbit - lbit + 1;
	mask = ((1 << (len + 1)) - 1) << lbit;
	printf("%c%s=%#jx", pf_sep, name, (uintmax_t)((var & mask) >> lbit));
	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++;
		putchar(c);
	}
}

static void
acpi_print_gas(ACPI_GENERIC_ADDRESS *gas)
{
	switch(gas->SpaceId) {
	case ACPI_GAS_MEMORY:
		printf("0x%016jx:%u[%u] (Memory)", (uintmax_t)gas->Address,
		    gas->BitOffset, gas->BitWidth);
		break;
	case ACPI_GAS_IO:
		printf("0x%02jx:%u[%u] (IO)", (uintmax_t)gas->Address,
		    gas->BitOffset, gas->BitWidth);
		break;
	case ACPI_GAS_PCI:
		printf("%x:%x+0x%x:%u[%u] (PCI)", (uint16_t)(gas->Address >> 32),
		       (uint16_t)((gas->Address >> 16) & 0xffff),
		       (uint16_t)gas->Address, gas->BitOffset, gas->BitWidth);
		break;
	/* XXX How to handle these below? */
	case ACPI_GAS_EMBEDDED:
		printf("0x%x:%u[%u] (EC)", (uint16_t)gas->Address,
		       gas->BitOffset, gas->BitWidth);
		break;
	case ACPI_GAS_SMBUS:
		printf("0x%x:%u[%u] (SMBus)", (uint16_t)gas->Address,
		       gas->BitOffset, gas->BitWidth);
		break;
	case ACPI_GAS_CMOS:
	case ACPI_GAS_PCIBAR:
	case ACPI_GAS_DATATABLE:
	case ACPI_GAS_FIXED:
	default:
		printf("0x%016jx (?)", (uintmax_t)gas->Address);
		break;
	}
}

/* The FADT revision indicates whether we use the DSDT or X_DSDT addresses. */
static int
acpi_get_fadt_revision(ACPI_TABLE_FADT *fadt __unused)
{
	int fadt_revision;

	/* Set the FADT revision separately from the RSDP version. */
	if (addr_size == 8) {
		fadt_revision = 2;

#if defined(__i386__)
		/*
		 * 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.
		 *
		 * The only known ACPI systems this affects are early
		 * implementations on 32-bit x86. Because of this limit the
		 * workaround to i386.
		 */
		if (fadt->Facs != 0 &&
		    (fadt->XFacs & 0xffffffff) != fadt->Facs)
			fadt_revision = 1;
#endif
	} else
		fadt_revision = 1;
	return (fadt_revision);
}

static void
acpi_handle_fadt(ACPI_TABLE_HEADER *sdp)
{
	ACPI_TABLE_HEADER *dsdp;
	ACPI_TABLE_FACS	*facs;
	ACPI_TABLE_FADT *fadt;
	vm_offset_t	addr;
	int		fadt_revision;

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

	fadt_revision = acpi_get_fadt_revision(fadt);
	if (fadt_revision == 1)
		addr = fadt->Facs;
	else
		addr = fadt->XFacs;
	if (addr != 0) {
		facs = (ACPI_TABLE_FACS *)acpi_map_sdt(addr);

		if (memcmp(facs->Signature, ACPI_SIG_FACS, ACPI_NAMESEG_SIZE) != 0 ||
		    facs->Length < 64)
			errx(1, "FACS is corrupt");
		acpi_print_facs(facs);
	}

	if (fadt_revision == 1)
		dsdp = (ACPI_TABLE_HEADER *)acpi_map_sdt(fadt->Dsdt);
	else
		dsdp = (ACPI_TABLE_HEADER *)acpi_map_sdt(fadt->XDsdt);
	if (acpi_checksum(dsdp, dsdp->Length))
		errx(1, "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={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 lint, uint16_t mps_flags)
{

	printf("\tLINT Pin=%d\n", lint);
	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_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_REDISTRIBUTOR *gicr;
	ACPI_MADT_GENERIC_TRANSLATOR *gict;

	if (mp->Type < nitems(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 < nitems(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);
		printf("\tSPE INTR=%d\n", gicc->SpeInterrupt);
		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_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;
	}
}

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_bert(ACPI_TABLE_HEADER *sdp)
{
	ACPI_TABLE_BERT *bert;

	printf(BEGIN_COMMENT);
	acpi_print_sdt(sdp);
	bert = (ACPI_TABLE_BERT *)sdp;
	printf("\tRegionLength=%d\n", bert->RegionLength);
	printf("\tAddress=0x%016jx\n", bert->Address);
	printf(END_COMMENT);
}

static const char *
einj_action(UINT8 Action)
{
	static char buf[32];

#define ACTION(name)							\
	case __CONCAT(ACPI_EINJ_, name):				\
		return (__STRING(name))
#define ACTIONV2(name)							\
	case __CONCAT(ACPI_EINJV2_, name):				\
		return (__XSTRING(__CONCAT(V2_, name)))

	switch (Action) {
	ACTION(BEGIN_OPERATION);
	ACTION(GET_TRIGGER_TABLE);
	ACTION(SET_ERROR_TYPE);
	ACTION(GET_ERROR_TYPE);
	ACTION(END_OPERATION);
	ACTION(EXECUTE_OPERATION);
	ACTION(CHECK_BUSY_STATUS);
	ACTION(GET_COMMAND_STATUS);
	ACTION(SET_ERROR_TYPE_WITH_ADDRESS);
	ACTION(GET_EXECUTE_TIMINGS);
	ACTIONV2(GET_ERROR_TYPE);
	ACTION(TRIGGER_ERROR);
	default:
		snprintf(buf, sizeof(buf), "UNKNOWN (%#x)", Action);
		return (buf);
	}

#undef ACTION
#undef ACTIONV2
}

static const char *
einj_instruction(UINT8 Instruction)
{
	static char buf[32];

#define INSTRUCTION(name)						\
	case __CONCAT(ACPI_EINJ_, name):				\
		return (__STRING(name))

	switch (Instruction) {
	INSTRUCTION(READ_REGISTER);
	INSTRUCTION(READ_REGISTER_VALUE);
	INSTRUCTION(WRITE_REGISTER);
	INSTRUCTION(WRITE_REGISTER_VALUE);
	INSTRUCTION(NOOP);
	INSTRUCTION(FLUSH_CACHELINE);
	default:
		snprintf(buf, sizeof(buf), "UNKNOWN (%#x)", Instruction);
		return (buf);
	}

#undef INSTRUCTION
}

static void
acpi_print_einj_entry(ACPI_EINJ_ENTRY *entry)
{
	ACPI_WHEA_HEADER *w = &entry->WheaHeader;

	printf("\n\tAction=%s\n", einj_action(w->Action));
	printf("\tInstruction=%s\n", einj_instruction(w->Instruction));
	if (w->Flags != 0) {
		printf("\tFlags=%02x", w->Flags);
		if (w->Flags & 0x1)
			printf("<PRESERVE_REGISTER>");
		printf("\n");
	}
	printf("\tRegisterRegion=");
	acpi_print_gas(&w->RegisterRegion);
	printf("\n");
	switch (w->Instruction) {
	case ACPI_EINJ_READ_REGISTER:
	case ACPI_EINJ_WRITE_REGISTER:
	case ACPI_EINJ_NOOP:
	case ACPI_EINJ_FLUSH_CACHELINE:
		break;
	default:
		printf("\tValue=0x%016jx\n", w->Value);
	}
	printf("\tMask=0x%016jx\n", w->Mask);
}

static void
acpi_handle_einj(ACPI_TABLE_HEADER *sdp)
{
	ACPI_TABLE_EINJ *einj;
	ACPI_EINJ_ENTRY *w;
	u_int i;

	printf(BEGIN_COMMENT);
	acpi_print_sdt(sdp);
	einj = (ACPI_TABLE_EINJ *)sdp;
	printf("\tHeaderLength=%d\n", einj->HeaderLength);
	printf("\tFlags=0x%02x\n", einj->Flags);
	printf("\tEntries=%d\n", einj->Entries);
	w = (ACPI_EINJ_ENTRY *)(einj + 1);
	for (i = 0; i < MIN(einj->Entries, (sdp->Length -
	    sizeof(ACPI_TABLE_EINJ)) / sizeof(ACPI_EINJ_ENTRY)); i++)
		acpi_print_einj_entry(w + i);
	printf(END_COMMENT);
}

static const char *
erst_action(UINT8 Action)
{
	static char buf[32];

#define ACTION(name)							\
	case __CONCAT(ACPI_ERST_, name):				\
		return (__STRING(name))

	switch (Action) {
	ACTION(BEGIN_WRITE);
	ACTION(BEGIN_READ);
	ACTION(BEGIN_CLEAR);
	ACTION(END);
	ACTION(SET_RECORD_OFFSET);
	ACTION(EXECUTE_OPERATION);
	ACTION(CHECK_BUSY_STATUS);
	ACTION(GET_COMMAND_STATUS);
	ACTION(GET_RECORD_ID);
	ACTION(SET_RECORD_ID);
	ACTION(GET_RECORD_COUNT);
	ACTION(BEGIN_DUMMY_WRIITE);
	ACTION(GET_ERROR_RANGE);
	ACTION(GET_ERROR_LENGTH);
	ACTION(GET_ERROR_ATTRIBUTES);
	ACTION(EXECUTE_TIMINGS);
	default:
		snprintf(buf, sizeof(buf), "UNKNOWN (%#x)", Action);
		return (buf);
	}

#undef ACTION
}

static const char *
erst_instruction(UINT8 Instruction)
{
	static char buf[32];

#define INSTRUCTION(name)						\
	case __CONCAT(ACPI_ERST_, name):				\
		return (__STRING(name))

	switch (Instruction) {
	INSTRUCTION(READ_REGISTER);
	INSTRUCTION(READ_REGISTER_VALUE);
	INSTRUCTION(WRITE_REGISTER);
	INSTRUCTION(WRITE_REGISTER_VALUE);
	INSTRUCTION(NOOP);
	INSTRUCTION(LOAD_VAR1);
	INSTRUCTION(LOAD_VAR2);
	INSTRUCTION(STORE_VAR1);
	INSTRUCTION(ADD);
	INSTRUCTION(SUBTRACT);
	INSTRUCTION(ADD_VALUE);
	INSTRUCTION(SUBTRACT_VALUE);
	INSTRUCTION(STALL);
	INSTRUCTION(STALL_WHILE_TRUE);
	INSTRUCTION(SKIP_NEXT_IF_TRUE);
	INSTRUCTION(GOTO);
	INSTRUCTION(SET_SRC_ADDRESS_BASE);
	INSTRUCTION(SET_DST_ADDRESS_BASE);
	INSTRUCTION(MOVE_DATA);
	default:
		snprintf(buf, sizeof(buf), "UNKNOWN (%#x)", Instruction);
		return (buf);
	}

#undef INSTRUCTION
}

static void
acpi_print_erst_entry(ACPI_ERST_ENTRY *entry)
{
	ACPI_WHEA_HEADER *w = &entry->WheaHeader;

	printf("\n\tAction=%s\n", erst_action(w->Action));
	printf("\tInstruction=%s\n", erst_instruction(w->Instruction));
	if (w->Flags != 0) {
		printf("\tFlags=%02x", w->Flags);
		if (w->Flags & 0x1)
			printf("<PRESERVE_REGISTER>");
		printf("\n");
	}
	printf("\tRegisterRegion=");
	acpi_print_gas(&w->RegisterRegion);
	printf("\n");
	switch (w->Instruction) {
	case ACPI_ERST_READ_REGISTER:
	case ACPI_ERST_WRITE_REGISTER:
	case ACPI_ERST_NOOP:
	case ACPI_ERST_LOAD_VAR1:
	case ACPI_ERST_LOAD_VAR2:
	case ACPI_ERST_STORE_VAR1:
	case ACPI_ERST_ADD:
	case ACPI_ERST_SUBTRACT:
	case ACPI_ERST_SET_SRC_ADDRESS_BASE:
	case ACPI_ERST_SET_DST_ADDRESS_BASE:
	case ACPI_ERST_MOVE_DATA:
		break;
	default:
		printf("\tValue=0x%016jx\n", w->Value);
		break;
	}
	printf("\tMask=0x%016jx\n", w->Mask);
}

static void
acpi_handle_erst(ACPI_TABLE_HEADER *sdp)
{
	ACPI_TABLE_ERST *erst;
	ACPI_ERST_ENTRY *w;
	u_int i;

	printf(BEGIN_COMMENT);
	acpi_print_sdt(sdp);
	erst = (ACPI_TABLE_ERST *)sdp;
	printf("\tHeaderLength=%d\n", erst->HeaderLength);
	printf("\tEntries=%d\n", erst->Entries);
	w = (ACPI_ERST_ENTRY *)(erst + 1);
	for (i = 0; i < MIN(erst->Entries, (sdp->Length -
	    sizeof(ACPI_TABLE_ERST)) / sizeof(ACPI_ERST_ENTRY)); i++)
		acpi_print_erst_entry(w + i);
	printf(END_COMMENT);
}

static void
acpi_print_hest_bank(ACPI_HEST_IA_ERROR_BANK *b)
{

	printf("\tBank:\n");
	printf("\t\tBankNumber=%d\n", b->BankNumber);
	printf("\t\tClearStatusOnInit=%d\n", b->ClearStatusOnInit);
	printf("\t\tStatusFormat=%d\n", b->StatusFormat);
	printf("\t\tControlRegister=%x\n", b->ControlRegister);
	printf("\t\tControlData=%jx\n", b->ControlData);
	printf("\t\tStatusRegister=%x\n", b->StatusRegister);
	printf("\t\tAddressRegister=%x\n", b->AddressRegister);
	printf("\t\tMiscRegister=%x\n", b->MiscRegister);
}

static void
acpi_print_hest_notify(ACPI_HEST_NOTIFY *n)
{

	printf("\t\tType=%d\n", n->Type);
	printf("\t\tLength=%d\n", n->Length);
	printf("\t\tConfigWriteEnable=%04x\n", n->ConfigWriteEnable);
	printf("\t\tPollInterval=%d\n", n->PollInterval);
	printf("\t\tVector=%d\n", n->Vector);
	printf("\t\tPollingThresholdValue=%d\n", n->PollingThresholdValue);
	printf("\t\tPollingThresholdWindow=%d\n", n->PollingThresholdWindow);
	printf("\t\tErrorThresholdValue=%d\n", n->ErrorThresholdValue);
	printf("\t\tErrorThresholdWindow=%d\n", n->ErrorThresholdWindow);
}

static void
acpi_print_hest_aer(ACPI_HEST_AER_COMMON *a)
{

	printf("\tFlags=%02x\n", a->Flags);
	printf("\tEnabled=%d\n", a->Enabled);
	printf("\tRecordsToPreallocate=%d\n", a->RecordsToPreallocate);
	printf("\tMaxSectionsPerRecord=%d\n", a->MaxSectionsPerRecord);
	printf("\tBus=%d\n", a->Bus);
	printf("\tDevice=%d\n", a->Device);
	printf("\tFunction=%d\n", a->Function);
	printf("\tDeviceControl=%d\n", a->DeviceControl);
	printf("\tUncorrectableMask=%d\n", a->UncorrectableMask);
	printf("\tUncorrectableSeverity=%d\n", a->UncorrectableSeverity);
	printf("\tCorrectableMask=%d\n", a->CorrectableMask);
	printf("\tAdvancedCapabilities=%d\n", a->AdvancedCapabilities);
}

static int
acpi_handle_hest_structure(void *addr, int remaining)
{
	ACPI_HEST_HEADER *hdr = addr;
	int i;

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

	printf("\n\tType=%d\n", hdr->Type);
	printf("\tSourceId=%d\n", hdr->SourceId);
	switch (hdr->Type) {
	case ACPI_HEST_TYPE_IA32_CHECK: {
		ACPI_HEST_IA_MACHINE_CHECK *s = addr;
		printf("\tFlags=%02x\n", s->Flags);
		printf("\tEnabled=%d\n", s->Enabled);
		printf("\tRecordsToPreallocate=%d\n", s->RecordsToPreallocate);
		printf("\tMaxSectionsPerRecord=%d\n", s->MaxSectionsPerRecord);
		printf("\tGlobalCapabilityData=%jd\n", s->GlobalCapabilityData);
		printf("\tGlobalControlData=%jd\n", s->GlobalControlData);
		printf("\tNumHardwareBanks=%d\n", s->NumHardwareBanks);
		for (i = 0; i < s->NumHardwareBanks; i++) {
			acpi_print_hest_bank((ACPI_HEST_IA_ERROR_BANK *)
			    (s + 1) + i);
		}
		return (sizeof(*s) + s->NumHardwareBanks *
		    sizeof(ACPI_HEST_IA_ERROR_BANK));
	}
	case ACPI_HEST_TYPE_IA32_CORRECTED_CHECK: {
		ACPI_HEST_IA_CORRECTED *s = addr;
		printf("\tFlags=%02x\n", s->Flags);
		printf("\tEnabled=%d\n", s->Enabled);
		printf("\tRecordsToPreallocate=%d\n", s->RecordsToPreallocate);
		printf("\tMaxSectionsPerRecord=%d\n", s->MaxSectionsPerRecord);
		printf("\tNotify:\n");
		acpi_print_hest_notify(&s->Notify);
		printf("\tNumHardwareBanks=%d\n", s->NumHardwareBanks);
		for (i = 0; i < s->NumHardwareBanks; i++) {
			acpi_print_hest_bank((ACPI_HEST_IA_ERROR_BANK *)
			    (s + 1) + i);
		}
		return (sizeof(*s) + s->NumHardwareBanks *
		    sizeof(ACPI_HEST_IA_ERROR_BANK));
	}
	case ACPI_HEST_TYPE_IA32_NMI: {
		ACPI_HEST_IA_NMI *s = addr;
		printf("\tRecordsToPreallocate=%d\n", s->RecordsToPreallocate);
		printf("\tMaxSectionsPerRecord=%d\n", s->MaxSectionsPerRecord);
		printf("\tMaxRawDataLength=%d\n", s->MaxRawDataLength);
		return (sizeof(*s));
	}
	case ACPI_HEST_TYPE_AER_ROOT_PORT: {
		ACPI_HEST_AER_ROOT *s = addr;
		acpi_print_hest_aer(&s->Aer);
		printf("\tRootErrorCommand=%d\n", s->RootErrorCommand);
		return (sizeof(*s));
	}
	case ACPI_HEST_TYPE_AER_ENDPOINT: {
		ACPI_HEST_AER *s = addr;
		acpi_print_hest_aer(&s->Aer);
		return (sizeof(*s));
	}
	case ACPI_HEST_TYPE_AER_BRIDGE: {
		ACPI_HEST_AER_BRIDGE *s = addr;
		acpi_print_hest_aer(&s->Aer);
		printf("\tUncorrectableMask2=%d\n", s->UncorrectableMask2);
		printf("\tUncorrectableSeverity2=%d\n", s->UncorrectableSeverity2);
		printf("\tAdvancedCapabilities2=%d\n", s->AdvancedCapabilities2);
		return (sizeof(*s));
	}
	case ACPI_HEST_TYPE_GENERIC_ERROR: {
		ACPI_HEST_GENERIC *s = addr;
		printf("\tRelatedSourceId=%d\n", s->RelatedSourceId);
		printf("\tEnabled=%d\n", s->Enabled);
		printf("\tRecordsToPreallocate=%d\n", s->RecordsToPreallocate);
		printf("\tMaxSectionsPerRecord=%d\n", s->MaxSectionsPerRecord);
		printf("\tMaxRawDataLength=%d\n", s->MaxRawDataLength);
		printf("\tErrorStatusAddress=");
		acpi_print_gas(&s->ErrorStatusAddress);
		printf("\n");
		printf("\tNotify:\n");
		acpi_print_hest_notify(&s->Notify);
		printf("\tErrorBlockLength=%d\n", s->ErrorBlockLength);
		return (sizeof(*s));
	}
	case ACPI_HEST_TYPE_GENERIC_ERROR_V2: {
		ACPI_HEST_GENERIC_V2 *s = addr;
		printf("\tRelatedSourceId=%d\n", s->RelatedSourceId);
		printf("\tEnabled=%d\n", s->Enabled);
		printf("\tRecordsToPreallocate=%d\n", s->RecordsToPreallocate);
		printf("\tMaxSectionsPerRecord=%d\n", s->MaxSectionsPerRecord);
		printf("\tMaxRawDataLength=%d\n", s->MaxRawDataLength);
		printf("\tErrorStatusAddress=");
		acpi_print_gas(&s->ErrorStatusAddress);
		printf("\n");
		printf("\tNotify:\n");
		acpi_print_hest_notify(&s->Notify);
		printf("\tErrorBlockLength=%d\n", s->ErrorBlockLength);
		printf("\tReadAckRegister=");
		acpi_print_gas(&s->ReadAckRegister);
		printf("\n");
		printf("\tReadAckPreserve=%jd\n", s->ReadAckPreserve);
		printf("\tReadAckWrite=%jd\n", s->ReadAckWrite);
		return (sizeof(*s));
	}
	case ACPI_HEST_TYPE_IA32_DEFERRED_CHECK: {
		ACPI_HEST_IA_DEFERRED_CHECK *s = addr;
		printf("\tFlags=%02x\n", s->Flags);
		printf("\tEnabled=%d\n", s->Enabled);
		printf("\tRecordsToPreallocate=%d\n", s->RecordsToPreallocate);
		printf("\tMaxSectionsPerRecord=%d\n", s->MaxSectionsPerRecord);
		printf("\tNotify:\n");
		acpi_print_hest_notify(&s->Notify);
		printf("\tNumHardwareBanks=%d\n", s->NumHardwareBanks);
		for (i = 0; i < s->NumHardwareBanks; i++) {
			acpi_print_hest_bank((ACPI_HEST_IA_ERROR_BANK *)
			    (s + 1) + i);
		}
		return (sizeof(*s) + s->NumHardwareBanks *
		    sizeof(ACPI_HEST_IA_ERROR_BANK));
	}
	default:
		return (-1);
	}
}

static void
acpi_handle_hest(ACPI_TABLE_HEADER *sdp)
{
	char *cp;
	int remaining, consumed;
	ACPI_TABLE_HEST *hest;

	printf(BEGIN_COMMENT);
	acpi_print_sdt(sdp);
	hest = (ACPI_TABLE_HEST *)sdp;
	printf("\tErrorSourceCount=%d\n", hest->ErrorSourceCount);

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

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_handle_slit(ACPI_TABLE_HEADER *sdp)
{
	ACPI_TABLE_SLIT *slit;
	UINT64 i, j;

	printf(BEGIN_COMMENT);
	acpi_print_sdt(sdp);
	slit = (ACPI_TABLE_SLIT *)sdp;
	printf("\tLocality Count=%ju\n", (uintmax_t)slit->LocalityCount);
	printf("\n\t      ");
	for (i = 0; i < slit->LocalityCount; i++)
		printf(" %3ju", (uintmax_t)i);
	printf("\n\t     +");
	for (i = 0; i < slit->LocalityCount; i++)
		printf("----");
	printf("\n");
	for (i = 0; i < slit->LocalityCount; i++) {
		printf("\t %3ju |", (uintmax_t)i);
		for (j = 0; j < slit->LocalityCount; j++)
			printf(" %3d",
			    slit->Entry[i * slit->LocalityCount + j]);
		printf("\n");
	}
	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=0x%04x, TableVersion=0x%04x\n",
	    wddt->SpecVersion, wddt->TableVersion);
	printf("\tPciVendorId=0x%04x, Address=", wddt->PciVendorId);
	acpi_print_gas(&wddt->Address);
	printf("\n\tMaxCount=%u, MinCount=%u, Period=%ums\n",
	    wddt->MaxCount, wddt->MinCount, 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_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)
		return 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_print_srat_cpu(uint32_t apic_id, uint32_t proximity_domain,
    uint32_t flags)
{

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

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 ((uintptr_t)vaddr + sizeof(struct TCPAevent) >=
		    (uintptr_t)vend || (uintptr_t)vaddr + sizeof(
		    struct TCPAevent) < (uintptr_t)vaddr)
			break;
		event = (struct TCPAevent *)(void *)vaddr;
		if ((uintptr_t)vaddr + event->event_size >= (uintptr_t)vend)
			break;
		if ((uintptr_t)vaddr + event->event_size < (uintptr_t)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;

	printf (BEGIN_COMMENT);
	acpi_print_sdt(sdp);
	tpm2 = (ACPI_TABLE_TPM2 *) sdp;
	printf ("\t\tControlArea=%jx\n", tpm2->ControlAddress);
	printf ("\t\tStartMethod=%x\n", tpm2->StartMethod);
	printf (END_COMMENT);
}

static int spcr_xlate_baud(uint8_t r)
{
	static int rates[] = { 9600, 19200, -1, 57600, 115200 };
	_Static_assert(nitems(rates) == 7 - 3 + 1, "rates array size incorrect");

	if (r == 0)
		return (0);

	if (r < 3 || r > 7)
		return (-1);

	return (rates[r - 3]);
}

static const char *spcr_interface_type(int ift)
{
	static const char *if_names[] = {
		[0x00] = "Fully 16550-compatible",
		[0x01] = "16550 subset compatible with DBGP Revision 1",
		[0x02] = "MAX311xE SPI UART",
		[0x03] = "Arm PL011 UART",
		[0x04] = "MSM8x60 (e.g. 8960)",
		[0x05] = "Nvidia 16550",
		[0x06] = "TI OMAP",
		[0x07] = "Reserved (Do Not Use)",
		[0x08] = "APM88xxxx",
		[0x09] = "MSM8974",
		[0x0a] = "SAM5250",
		[0x0b] = "Intel USIF",
		[0x0c] = "i.MX 6",
		[0x0d] = "(deprecated) Arm SBSA (2.x only) Generic UART supporting only 32-bit accesses",
		[0x0e] = "Arm SBSA Generic UART",
		[0x0f] = "Arm DCC",
		[0x10] = "BCM2835",
		[0x11] = "SDM845 with clock rate of 1.8432 MHz",
		[0x12] = "16550-compatible with parameters defined in Generic Address Structure",
		[0x13] = "SDM845 with clock rate of 7.372 MHz",
		[0x14] = "Intel LPSS",
		[0x15] = "RISC-V SBI console (any supported SBI mechanism)",
	};

	if (ift >= (int)nitems(if_names) || if_names[ift] == NULL)
		return ("Reserved");
	return (if_names[ift]);
}

static const char *spcr_interrupt_type(int ift)
{
	static char buf[100];

#define APPEND(b,s) \
	if ((ift & (b)) != 0) { \
		if (strlen(buf) > 0) \
			strlcat(buf, ",", sizeof(buf)); \
		strlcat(buf, s, sizeof(buf)); \
	}

	*buf = '\0';
	APPEND(0x01, "PC/AT IRQ");
	APPEND(0x02, "I/O APIC");
	APPEND(0x04, "I/O SAPIC");
	APPEND(0x08, "ARMH GIC");
	APPEND(0x10, "RISC-V PLIC/APLIC");

#undef APPEND

	return (buf);
}

static const char *spcr_terminal_type(int type)
{
	static const char *term_names[] = {
		[0] = "VT100",
		[1] = "Extended VT100",
		[2] = "VT-UTF8",
		[3] = "ANSI",
	};

	if (type >= (int)nitems(term_names) || term_names[type] == NULL)
		return ("Reserved");
	return (term_names[type]);
}

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

	printf (BEGIN_COMMENT);
	acpi_print_sdt(sdp);

	/* Rev 1 and 2 are the same size */
	spcr = (ACPI_TABLE_SPCR *) sdp;
	printf ("\tInterfaceType=%d (%s)\n", spcr->InterfaceType,
	    spcr_interface_type(spcr->InterfaceType));
	printf ("\tSerialPort=");
	acpi_print_gas(&spcr->SerialPort);
	printf ("\n\tInterruptType=%#x (%s)\n", spcr->InterruptType,
	    spcr_interrupt_type(spcr->InterruptType));
	printf ("\tPcInterrupt=%d (%s)\n", spcr->PcInterrupt,
	    (spcr->InterruptType & 0x1) ? "Valid" : "Invalid");
	printf ("\tInterrupt=%d\n", spcr->Interrupt);
	printf ("\tBaudRate=%d (%d)\n", spcr_xlate_baud(spcr->BaudRate), spcr->BaudRate);
	printf ("\tParity=%d\n", spcr->Parity);
	printf ("\tStopBits=%d\n", spcr->StopBits);
	printf ("\tFlowControl=%d\n", spcr->FlowControl);
	printf ("\tTerminalType=%d (%s)\n", spcr->TerminalType,
	    spcr_terminal_type(spcr->TerminalType));
	printf ("\tPciDeviceId=%#04x\n", spcr->PciDeviceId);
	printf ("\tPciVendorId=%#04x\n", spcr->PciVendorId);
	printf ("\tPciBus=%d\n", spcr->PciBus);
	printf ("\tPciDevice=%d\n", spcr->PciDevice);
	printf ("\tPciFunction=%d\n", spcr->PciFunction);
	printf ("\tPciFlags=%d\n", spcr->PciFlags);
	printf ("\tPciSegment=%d\n", spcr->PciSegment);

	/* Rev 3 added UartClkFrequency */
	if (sdp->Revision >= 3) {
		printf("\tLanguage=%d\n", spcr->Language);
		printf("\tUartClkFreq=%jd",
		    (uintmax_t)spcr->UartClkFreq);
	}

	/* Rev 4 added PreciseBaudrate and NameSpace* */
	if (sdp->Revision >= 4) {
		printf("\tPreciseBaudrate=%jd",
		    (uintmax_t)spcr->PreciseBaudrate);
		if (spcr->NameSpaceStringLength > 0 &&
		    spcr->NameSpaceStringOffset >= sizeof(*spcr) &&
		    sdp->Length >= spcr->NameSpaceStringOffset +
		        spcr->NameSpaceStringLength) {
			printf ("\tNameSpaceString='%s'\n",
			    (char *)sdp + spcr->NameSpaceStringOffset);
		}
	}

	printf (END_COMMENT);
}

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

	switch (type) {
	case ACPI_DMAR_SCOPE_TYPE_ENDPOINT:
		return ("PCI Endpoint Device");
	case ACPI_DMAR_SCOPE_TYPE_BRIDGE:
		return ("PCI Sub-Hierarchy");
	case ACPI_DMAR_SCOPE_TYPE_IOAPIC:
		return ("IOAPIC");
	case ACPI_DMAR_SCOPE_TYPE_HPET:
		return ("HPET");
	case ACPI_DMAR_SCOPE_TYPE_NAMESPACE:
		return ("ACPI NS DEV");
	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 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;
	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_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_ivrs_ivhd_header(ACPI_IVRS_HEADER *addr)
{
	printf("\n\tIVHD Type=%#x IOMMU DeviceId=%#06x\n\tFlags=",
	    addr->Type, addr->DeviceId);
#define PRINTFLAG(flag, name) printflag(addr->Flags, flag, #name)
	PRINTFLAG(ACPI_IVHD_TT_ENABLE, HtTunEn);
	PRINTFLAG(ACPI_IVHD_ISOC, PassPW);
	PRINTFLAG(ACPI_IVHD_RES_PASS_PW, ResPassPW);
	PRINTFLAG(ACPI_IVHD_ISOC, Isoc);
	PRINTFLAG(ACPI_IVHD_TT_ENABLE, IotlbSup);
	PRINTFLAG((1 << 5), Coherent);
	PRINTFLAG((1 << 6), PreFSup);
	PRINTFLAG((1 << 7), PPRSup);
#undef PRINTFLAG
	PRINTFLAG_END();
}

static void
acpi_handle_ivrs_ivhd_dte(UINT8 dte)
{
	if (dte == 0) {
		printf("\n");
		return;
	}
	printf(" DTE=");
#define PRINTFLAG(flag, name) printflag(dte, flag, #name)
	PRINTFLAG(ACPI_IVHD_INIT_PASS, INITPass);
	PRINTFLAG(ACPI_IVHD_EINT_PASS, EIntPass);
	PRINTFLAG(ACPI_IVHD_NMI_PASS, NMIPass);
	PRINTFLAG(ACPI_IVHD_SYSTEM_MGMT, SysMgtPass);
	PRINTFLAG(ACPI_IVHD_LINT0_PASS, Lint0Pass);
	PRINTFLAG(ACPI_IVHD_LINT1_PASS, Lint1Pass);
#undef PRINTFLAG
	PRINTFLAG_END();
}

static void
acpi_handle_ivrs_ivhd_edte(UINT32 edte)
{
	if (edte == 0)
		return;
	printf("\t\t ExtDTE=");
#define PRINTFLAG(flag, name) printflag(edte, flag, #name)
	PRINTFLAG(ACPI_IVHD_ATS_DISABLED, AtsDisabled);
#undef PRINTFLAG
	PRINTFLAG_END();
}

static const char *
acpi_handle_ivrs_ivhd_variety(UINT8 v)
{
	switch (v) {
	case ACPI_IVHD_IOAPIC:
		return ("IOAPIC");
	case ACPI_IVHD_HPET:
		return ("HPET");
	default:
		return ("UNKNOWN");
	}
}

static void
acpi_handle_ivrs_ivhd_devs(ACPI_IVRS_DE_HEADER *d, char *de)
{
	char *db;
	ACPI_IVRS_DEVICE4 *d4;
	ACPI_IVRS_DEVICE8A *d8a;
	ACPI_IVRS_DEVICE8B *d8b;
	ACPI_IVRS_DEVICE8C *d8c;
	ACPI_IVRS_DEVICE_HID *dh;
	size_t len;
	UINT32 x32;

	for (; (char *)d < de; d = (ACPI_IVRS_DE_HEADER *)(db + len)) {
		db = (char *)d;
		if (d->Type == ACPI_IVRS_TYPE_PAD4) {
			len = sizeof(*d4);
		} else if (d->Type == ACPI_IVRS_TYPE_ALL) {
			d4 = (ACPI_IVRS_DEVICE4 *)db;
			len = sizeof(*d4);
			printf("\t\tDev Type=%#x Id=ALL", d4->Header.Type);
			acpi_handle_ivrs_ivhd_dte(d4->Header.DataSetting);
		} else if (d->Type == ACPI_IVRS_TYPE_SELECT) {
			d4 = (ACPI_IVRS_DEVICE4 *)db;
			len = sizeof(*d4);
			printf("\t\tDev Type=%#x Id=%#06x", d4->Header.Type,
			    d4->Header.Id);
			acpi_handle_ivrs_ivhd_dte(d4->Header.DataSetting);
		} else if (d->Type == ACPI_IVRS_TYPE_START) {
			d4 = (ACPI_IVRS_DEVICE4 *)db;
			len = 2 * sizeof(*d4);
			printf("\t\tDev Type=%#x Id=%#06x-%#06x",
			    d4->Header.Type,
			    d4->Header.Id, (d4 + 1)->Header.Id);
			acpi_handle_ivrs_ivhd_dte(d4->Header.DataSetting);
		} else if (d->Type == ACPI_IVRS_TYPE_END) {
			d4 = (ACPI_IVRS_DEVICE4 *)db;
			len = 2 * sizeof(*d4);
			printf("\t\tDev Type=%#x Id=%#06x BIOS BUG\n",
			    d4->Header.Type, d4->Header.Id);
		} else if (d->Type == ACPI_IVRS_TYPE_PAD8) {
			len = sizeof(*d8a);
		} else if (d->Type == ACPI_IVRS_TYPE_ALIAS_SELECT) {
			d8a = (ACPI_IVRS_DEVICE8A *)db;
			len = sizeof(*d8a);
			printf("\t\tDev Type=%#x Id=%#06x AliasId=%#06x",
			    d8a->Header.Type, d8a->Header.Id, d8a->UsedId);
			acpi_handle_ivrs_ivhd_dte(d8a->Header.DataSetting);
		} else if (d->Type == ACPI_IVRS_TYPE_ALIAS_START) {
			d8a = (ACPI_IVRS_DEVICE8A *)db;
			d4 = (ACPI_IVRS_DEVICE4 *)(db + sizeof(*d8a));
			len = sizeof(*d8a) + sizeof(*d4);
			printf("\t\tDev Type=%#x Id=%#06x-%#06x AliasId=%#06x",
			    d8a->Header.Type, d8a->Header.Id, d4->Header.Id,
			    d8a->UsedId);
			acpi_handle_ivrs_ivhd_dte(d8a->Header.DataSetting);
		} else if (d->Type == ACPI_IVRS_TYPE_EXT_SELECT) {
			d8b = (ACPI_IVRS_DEVICE8B *)db;
			len = sizeof(*d8b);
			printf("\t\tDev Type=%#x Id=%#06x",
			    d8b->Header.Type, d8b->Header.Id);
			acpi_handle_ivrs_ivhd_dte(d8b->Header.DataSetting);
			printf("\t\t");
			acpi_handle_ivrs_ivhd_edte(d8b->ExtendedData);
		} else if (d->Type == ACPI_IVRS_TYPE_EXT_START) {
			d8b = (ACPI_IVRS_DEVICE8B *)db;
			len = sizeof(*d8b);
			d4 = (ACPI_IVRS_DEVICE4 *)(db + sizeof(*d8b));
			len = sizeof(*d8b) + sizeof(*d4);
			printf("\t\tDev Type=%#x Id=%#06x-%#06x",
			    d8b->Header.Type, d8b->Header.Id, d4->Header.Id);
			acpi_handle_ivrs_ivhd_dte(d8b->Header.DataSetting);
			acpi_handle_ivrs_ivhd_edte(d8b->ExtendedData);
		} else if (d->Type == ACPI_IVRS_TYPE_SPECIAL) {
			d8c = (ACPI_IVRS_DEVICE8C *)db;
			len = sizeof(*d8c);
			printf("\t\tDev Type=%#x Id=%#06x Handle=%#x "
			    "Variety=%d(%s)",
			    d8c->Header.Type, d8c->UsedId, d8c->Handle,
			    d8c->Variety,
			    acpi_handle_ivrs_ivhd_variety(d8c->Variety));
			acpi_handle_ivrs_ivhd_dte(d8c->Header.DataSetting);
		} else if (d->Type == ACPI_IVRS_TYPE_HID) {
			dh = (ACPI_IVRS_DEVICE_HID *)db;
			len = sizeof(*dh) + dh->UidLength;
			printf("\t\tDev Type=%#x Id=%#06x HID=",
			    dh->Header.Type, dh->Header.Id);
			acpi_print_string((char *)&dh->AcpiHid,
			    sizeof(dh->AcpiHid));
			printf(" CID=");
			acpi_print_string((char *)&dh->AcpiCid,
			    sizeof(dh->AcpiCid));
			printf(" UID=");
			switch (dh->UidType) {
			case ACPI_IVRS_UID_NOT_PRESENT:
			default:
				printf("none");
				break;
			case ACPI_IVRS_UID_IS_INTEGER:
				memcpy(&x32, dh + 1, sizeof(x32));
				printf("%#x", x32);
				break;
			case ACPI_IVRS_UID_IS_STRING:
				acpi_print_string((char *)(dh + 1),
				    dh->UidLength);
				break;
			}
			acpi_handle_ivrs_ivhd_dte(dh->Header.DataSetting);
		} else {
			printf("\t\tDev Type=%#x Unknown\n", d->Type);
			if (d->Type <= 63)
				len = sizeof(*d4);
			else if (d->Type <= 127)
				len = sizeof(*d8a);
			else {
				printf("Abort, cannot advance iterator.\n");
				return;
			}
		}
	}
}

static void
acpi_handle_ivrs_ivhd_10(ACPI_IVRS_HARDWARE1 *addr, bool efrsup)
{
	acpi_handle_ivrs_ivhd_header(&addr->Header);
	printf("\tCapOffset=%#x Base=%#jx PCISeg=%#x Unit=%#x MSIlog=%d\n",
	    addr->CapabilityOffset, (uintmax_t)addr->BaseAddress,
	    addr->PciSegmentGroup, (addr->Info & ACPI_IVHD_UNIT_ID_MASK) >> 8,
	    addr->Info & ACPI_IVHD_MSI_NUMBER_MASK);
	if (efrsup) {
#define PRINTFLAG(flag, name) printflag(addr->FeatureReporting, flag, #name)
#define PRINTFIELD(lbit, hbit, name) \
    printfield(addr->FeatureReporting, lbit, hbit, #name)
		PRINTFIELD(30, 31, HATS);
		PRINTFIELD(28, 29, GATS);
		PRINTFIELD(23, 27, MsiNumPPR);
		PRINTFIELD(17, 22, PNBanks);
		PRINTFIELD(13, 16, PNCounters);
		PRINTFIELD(8, 12, PASmax);
		PRINTFLAG(1 << 7, HESup);
		PRINTFLAG(1 << 6, GASup);
		PRINTFLAG(1 << 5, UASup);
		PRINTFIELD(3, 2, GLXSup);
		PRINTFLAG(1 << 1, NXSup);
		PRINTFLAG(1 << 0, XTSup);
#undef PRINTFLAG
#undef PRINTFIELD
		PRINTFLAG_END();
	}
	acpi_handle_ivrs_ivhd_devs((ACPI_IVRS_DE_HEADER *)(addr + 1),
	    (char *)addr + addr->Header.Length);
}

static void
acpi_handle_ivrs_ivhd_info_11(ACPI_IVRS_HARDWARE2 *addr)
{
	acpi_handle_ivrs_ivhd_header(&addr->Header);
	printf("\tCapOffset=%#x Base=%#jx PCISeg=%#x Unit=%#x MSIlog=%d\n",
	    addr->CapabilityOffset, (uintmax_t)addr->BaseAddress,
	    addr->PciSegmentGroup, (addr->Info >> 8) & 0x1f,
	    addr->Info & 0x5);
	printf("\tAttr=");
#define PRINTFIELD(lbit, hbit, name) \
    printfield(addr->Attributes, lbit, hbit, #name)
	PRINTFIELD(23, 27, MsiNumPPR);
	PRINTFIELD(17, 22, PNBanks);
	PRINTFIELD(13, 16, PNCounters);
#undef PRINTFIELD
	PRINTFLAG_END();
}

static void
acpi_handle_ivrs_ivhd_11(ACPI_IVRS_HARDWARE2 *addr)
{
	acpi_handle_ivrs_ivhd_info_11(addr);
	printf("\tEFRreg=%#018jx\n", (uintmax_t)addr->EfrRegisterImage);
	acpi_handle_ivrs_ivhd_devs((ACPI_IVRS_DE_HEADER *)(addr + 1),
	    (char *)addr + addr->Header.Length);
}

static void
acpi_handle_ivrs_ivhd_40(ACPI_IVRS_HARDWARE2 *addr)
{
	acpi_handle_ivrs_ivhd_info_11(addr);
	printf("\tEFRreg=%#018jx EFR2reg=%#018jx\n",
	    (uintmax_t)addr->EfrRegisterImage, (uintmax_t)addr->Reserved);
	acpi_handle_ivrs_ivhd_devs((ACPI_IVRS_DE_HEADER *)(addr + 1),
	    (char *)addr + addr->Header.Length);
}

static const char *
acpi_handle_ivrs_ivmd_type(ACPI_IVRS_MEMORY *addr)
{
	switch (addr->Header.Type) {
	case ACPI_IVRS_TYPE_MEMORY1:
		return ("ALL");
	case ACPI_IVRS_TYPE_MEMORY2:
		return ("specified");
	case ACPI_IVRS_TYPE_MEMORY3:
		return ("range");
	default:
		return ("unknown");
	}
}

static void
acpi_handle_ivrs_ivmd(ACPI_IVRS_MEMORY *addr)
{
	UINT16 x16;

	printf("\tMem Type=%#x(%s) ",
	    addr->Header.Type, acpi_handle_ivrs_ivmd_type(addr));
	switch (addr->Header.Type) {
	case ACPI_IVRS_TYPE_MEMORY2:
		memcpy(&x16, &addr->Reserved, sizeof(x16));
		printf("Id=%#06x PCISeg=%#x ", addr->Header.DeviceId, x16);
		break;
	case ACPI_IVRS_TYPE_MEMORY3:
		memcpy(&x16, &addr->Reserved, sizeof(x16));
		printf("Id=%#06x-%#06x PCISeg=%#x", addr->Header.DeviceId,
		    addr->AuxData, x16);
		break;
	}
	printf("Start=%#18jx Length=%#jx Flags=",
	    (uintmax_t)addr->StartAddress, (uintmax_t)addr->MemoryLength);
#define PRINTFLAG(flag, name) printflag(addr->Header.Flags, flag, #name)
	PRINTFLAG(ACPI_IVMD_EXCLUSION_RANGE, ExclusionRange);
	PRINTFLAG(ACPI_IVMD_WRITE, IW);
	PRINTFLAG(ACPI_IVMD_READ, IR);
	PRINTFLAG(ACPI_IVMD_UNITY, Unity);
#undef PRINTFLAG
	PRINTFLAG_END();
}

static int
acpi_handle_ivrs_blocks(void *addr, int remaining, bool efrsup)
{
	ACPI_IVRS_HEADER *hdr = addr;

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

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

	switch (hdr->Type) {
	case ACPI_IVRS_TYPE_HARDWARE1:
		acpi_handle_ivrs_ivhd_10(addr, efrsup);
		break;
	case ACPI_IVRS_TYPE_HARDWARE2:
		if (!efrsup)
			printf("\t!! Found IVHD block 0x11 but !EFRsup\n");
		acpi_handle_ivrs_ivhd_11(addr);
		break;
	case ACPI_IVRS_TYPE_HARDWARE3:
		if (!efrsup)
			printf("\t!! Found IVHD block 0x40 but !EFRsup\n");
		acpi_handle_ivrs_ivhd_40(addr);
		break;
	case ACPI_IVRS_TYPE_MEMORY1:
	case ACPI_IVRS_TYPE_MEMORY2:
	case ACPI_IVRS_TYPE_MEMORY3:
		acpi_handle_ivrs_ivmd(addr);
		break;
	default:
		printf("\n");
		printf("\tType=%d\n", hdr->Type);
		printf("\tLength=%d\n", hdr->Length);
		break;
	}
	return (hdr->Length);
}

#define	ACPI_IVRS_DMAREMAP	0x00000002
#define	ACPI_IVRS_EFRSUP	0x00000001
#define	ACPI_IVRS_GVA_SIZE	0x000000e0

static void
acpi_handle_ivrs(ACPI_TABLE_HEADER *sdp)
{
	ACPI_TABLE_IVRS *ivrs;
	char *cp;
	int remaining, consumed;
	bool efrsup;

	printf(BEGIN_COMMENT);
	acpi_print_sdt(sdp);
	ivrs = (ACPI_TABLE_IVRS *)sdp;
	efrsup = (ivrs->Info & ACPI_IVRS_EFRSUP) != 0;
	printf("\tVAsize=%d PAsize=%d GVAsize=%d\n",
	    (ivrs->Info & ACPI_IVRS_VIRTUAL_SIZE) >> 15,
	    (ivrs->Info & ACPI_IVRS_PHYSICAL_SIZE) >> 8,
	    (ivrs->Info & ACPI_IVRS_GVA_SIZE) >> 5);
	printf("\tATS_resp_res=%d DMA_preboot_remap=%d EFRsup=%d\n",
	    (ivrs->Info & ACPI_IVRS_ATS_RESERVED) != 0,
	    (ivrs->Info & ACPI_IVRS_DMAREMAP) != 0, efrsup);

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

	printf(END_COMMENT);
}

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 *gic;

	if (srat->Type < nitems(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(cpu->ApicId,
		    cpu->ProximityDomainHi[2] << 24 |
		    cpu->ProximityDomainHi[1] << 16 |
		    cpu->ProximityDomainHi[0] << 0 |
		    cpu->ProximityDomainLo, cpu->Flags);
		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(x2apic->ApicId, x2apic->ProximityDomain,
		    x2apic->Flags);
		break;
	case ACPI_SRAT_TYPE_GICC_AFFINITY:
		gic = (ACPI_SRAT_GICC_AFFINITY *)srat;
		acpi_print_srat_cpu(gic->AcpiProcessorUid, gic->ProximityDomain,
		    gic->Flags);
		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",
    [ACPI_NFIT_TYPE_CAPABILITIES] = "Platform Capabilities"
};


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

	ACPI_NFIT_SYSTEM_ADDRESS *sysaddr;
	ACPI_NFIT_MEMORY_MAP *mmap;
	ACPI_NFIT_INTERLEAVE *ileave;
	ACPI_NFIT_CONTROL_REGION *ctlreg;
	ACPI_NFIT_DATA_REGION *datareg;
	ACPI_NFIT_FLUSH_ADDRESS *fladdr;
	ACPI_NFIT_CAPABILITIES *caps;

	if (nfit->Type < nitems(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 *)(uintptr_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=0x%x\n", (u_int)mmap->DeviceHandle);
		printf("\tPhysicalId=0x%04x\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);
		for (m = 0; m < ileave->LineCount; m++) {
			printf("\tLine%uOffset=0x%08x\n", (u_int)m + 1,
			    (u_int)ileave->LineOffset[m]);
		}
		break;
	case ACPI_NFIT_TYPE_SMBIOS:
		/* 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=0x%02x\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=0x%02x\n",
		    (u_int)ctlreg->SubsystemRevisionId);
		printf("\tValidFields=0x%02x\n", (u_int)ctlreg->ValidFields);
		printf("\tManufacturingLocation=0x%02x\n",
		    (u_int)ctlreg->ManufacturingLocation);
		printf("\tManufacturingDate=%04x\n",
		    (u_int)be16toh(ctlreg->ManufacturingDate));
		printf("\tSerialNumber=%08X\n",
		    (u_int)be32toh(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);
		for (m = 0; m < fladdr->HintCount; m++) {
			printf("\tHintAddress%u=0x%016jx\n", (u_int)m + 1,
			    (uintmax_t)fladdr->HintAddress[m]);
		}
		break;
	case ACPI_NFIT_TYPE_CAPABILITIES:
		caps = (ACPI_NFIT_CAPABILITIES *)nfit;
		printf("\tHighestCapability=%u\n", (u_int)caps->HighestCapability);

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

		printf("\tCapabilities=");
		PRINTFLAG(caps->Capabilities, CACHE_FLUSH);
		PRINTFLAG(caps->Capabilities, MEM_FLUSH);
		PRINTFLAG(caps->Capabilities, MEM_MIRRORING);
		PRINTFLAG_END();

#undef PRINTFLAG
		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 void
acpi_print_sdt(ACPI_TABLE_HEADER *sdp)
{
	printf("  ");
	acpi_print_string(sdp->Signature, ACPI_NAMESEG_SIZE);
	printf(": Length=%d, Revision=%d, Checksum=%d,\n",
	       sdp->Length, sdp->Revision, sdp->Checksum);
	printf("\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);
}

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"
};

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);
	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);
	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();

#undef PRINTFLAG

	if (fadt->Flags & ACPI_FADT_RESET_REGISTER) {
		printf("\tRESET_REG=");
		acpi_print_gas(&fadt->ResetRegister);
		printf(", RESET_VALUE=%#x\n", fadt->ResetValue);
	}
	if (acpi_get_fadt_revision(fadt) > 1) {
		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);
		}
		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");
	}

	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);

	printf("\tGlobal_Lock=");
	if (facs->GlobalLock != 0) {
		if (facs->GlobalLock & ACPI_GLOCK_PENDING)
			printf("PENDING,");
		if (facs->GlobalLock & ACPI_GLOCK_OWNED)
			printf("OWNED");
	}
	printf("\n");

	printf("\tFlags=");
	if (facs->Flags & ACPI_FACS_S4_BIOS_PRESENT)
		printf("S4BIOS");
	printf("\n");

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

	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 const struct {
	const char *sig;
	void (*fnp)(ACPI_TABLE_HEADER *);
} known[] = {
	{ ACPI_SIG_BERT, 	acpi_handle_bert },
	{ ACPI_SIG_DMAR,	acpi_handle_dmar },
	{ ACPI_SIG_ECDT,	acpi_handle_ecdt },
	{ ACPI_SIG_EINJ,	acpi_handle_einj },
	{ ACPI_SIG_ERST,	acpi_handle_erst },
	{ ACPI_SIG_FADT,	acpi_handle_fadt },
	{ ACPI_SIG_HEST,	acpi_handle_hest },
	{ ACPI_SIG_HPET,	acpi_handle_hpet },
	{ ACPI_SIG_IVRS,	acpi_handle_ivrs },
	{ ACPI_SIG_LPIT,	acpi_handle_lpit },
	{ ACPI_SIG_MADT,	acpi_handle_madt },
	{ ACPI_SIG_MCFG,	acpi_handle_mcfg },
	{ ACPI_SIG_NFIT,	acpi_handle_nfit },
	{ ACPI_SIG_SLIT,	acpi_handle_slit },
	{ ACPI_SIG_SPCR,	acpi_handle_spcr },
	{ ACPI_SIG_SRAT,	acpi_handle_srat },
	{ ACPI_SIG_TCPA,	acpi_handle_tcpa },
	{ ACPI_SIG_TPM2,	acpi_handle_tpm2 },
	{ ACPI_SIG_WDDT,	acpi_handle_wddt },
};

static void
acpi_report_sdp(ACPI_TABLE_HEADER *sdp)
{
	for (u_int i = 0; i < nitems(known); i++) {
		if (memcmp(sdp->Signature, known[i].sig, ACPI_NAMESEG_SIZE)
		    == 0) {
			known[i].fnp(sdp);
			return;
		}
	}

	/*
	 * Otherwise, do a generic thing.
	 */
	printf(BEGIN_COMMENT);
	acpi_print_sdt(sdp);
	printf(END_COMMENT);
}

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

	if (tbl == NULL) {
		acpi_print_rsdt(rsdp);
	} else {
		if (memcmp(tbl, rsdp->Signature, ACPI_NAMESEG_SIZE) == 0) {
			acpi_print_rsdt(rsdp);
			return;
		}
	}
	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);
			continue;
		}
		if (tbl != NULL && memcmp(sdp->Signature, tbl, ACPI_NAMESEG_SIZE) != 0)
			continue;
		acpi_report_sdp(sdp);
	}
}

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

	rp = acpi_find_rsd_ptr();
	if (!rp)
		errx(1, "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", ACPI_NAMESEG_SIZE) != 0 ||
		    acpi_checksum(rsdp, rsdp->Length) != 0)
			errx(1, "RSDT is corrupted");
		addr_size = sizeof(uint32_t);
	} else {
		rsdp = (ACPI_TABLE_HEADER *)acpi_map_sdt(rp->XsdtPhysicalAddress);
		if (memcmp(rsdp->Signature, "XSDT", ACPI_NAMESEG_SIZE) != 0 ||
		    acpi_checksum(rsdp, rsdp->Length) != 0)
			errx(1, "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, "SSDT", NULL);
		while (ssdt != NULL) {
			write(fd, ssdt + 1, ssdt->Length -
			    sizeof(ACPI_TABLE_HEADER));
			ssdt = sdt_from_rsdt(rsdt, "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[PATH_MAX], tmpstr[PATH_MAX], wrkdir[PATH_MAX];
	const char *iname = "/acpdump.din";
	const char *oname = "/acpdump.dsl";
	const char *tmpdir;
	FILE *fp;
	size_t len;
	int fd, status;
	pid_t pid;

	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/sbin/iasl", "iasl", "-d", tmpstr, NULL);
		err(1, "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
aml_disassemble_separate(ACPI_TABLE_HEADER *rsdt, ACPI_TABLE_HEADER *dsdp)
{
	ACPI_TABLE_HEADER *ssdt = NULL;

	aml_disassemble(NULL, dsdp);
	if (rsdt != NULL) {
		for (;;) {
			ssdt = sdt_from_rsdt(rsdt, "SSDT", ssdt);
			if (ssdt == NULL)
				break;
			aml_disassemble(NULL, ssdt);
		}
	}
}

void
sdt_print_all(ACPI_TABLE_HEADER *rsdp, const char *tbl)
{
	acpi_handle_rsdt(rsdp, tbl);
}

/* 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;
	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(1, "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. */
	if (acpi_get_fadt_revision(fadt) == 1)
		sdt = (ACPI_TABLE_HEADER *)acpi_map_sdt(fadt->Dsdt);
	else
		sdt = (ACPI_TABLE_HEADER *)acpi_map_sdt(fadt->XDsdt);
	if (acpi_checksum(sdt, sdt->Length))
		errx(1, "DSDT is corrupt\n");
	return (sdt);
}