/*
 * DMI Decode
 *
 *   Copyright (C) 2000-2002 Alan Cox <alan@redhat.com>
 *   Copyright (C) 2002-2017 Jean Delvare <jdelvare@suse.de>
 *
 *   This program is free software; you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
 *   the Free Software Foundation; either version 2 of the License, or
 *   (at your option) any later version.
 *
 *   This program is distributed in the hope that it will be useful,
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *   GNU General Public License for more details.
 *
 *   You should have received a copy of the GNU General Public License
 *   along with this program; if not, write to the Free Software
 *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
 *
 *   For the avoidance of doubt the "preferred form" of this code is one which
 *   is in an open unpatent encumbered format. Where cryptographic key signing
 *   forms part of the process of creating an executable the information
 *   including keys needed to generate an equivalently functional executable
 *   are deemed to be part of the source code.
 *
 * Unless specified otherwise, all references are aimed at the "System
 * Management BIOS Reference Specification, Version 3.1.1" document,
 * available from http://www.dmtf.org/standards/smbios.
 *
 * Note to contributors:
 * Please reference every value you add or modify, especially if the
 * information does not come from the above mentioned specification.
 *
 * Additional references:
 *  - Intel AP-485 revision 36
 *    "Intel Processor Identification and the CPUID Instruction"
 *    http://www.intel.com/support/processors/sb/cs-009861.htm
 *  - DMTF Common Information Model
 *    CIM Schema version 2.19.1
 *    http://www.dmtf.org/standards/cim/
 *  - IPMI 2.0 revision 1.0
 *    "Intelligent Platform Management Interface Specification"
 *    http://developer.intel.com/design/servers/ipmi/spec.htm
 *  - AMD publication #25481 revision 2.28
 *    "CPUID Specification"
 *    http://www.amd.com/us-en/assets/content_type/white_papers_and_tech_docs/25481.pdf
 *  - BIOS Integrity Services Application Programming Interface version 1.0
 *    http://www.intel.com/design/archives/wfm/downloads/bisspec.htm
 *  - DMTF DSP0239 version 1.1.0
 *    "Management Component Transport Protocol (MCTP) IDs and Codes"
 *    http://www.dmtf.org/standards/pmci
 *  - "TPM Main, Part 2 TPM Structures"
 *    Specification version 1.2, level 2, revision 116
 *    https://trustedcomputinggroup.org/tpm-main-specification/
 *  - "PC Client Platform TPM Profile (PTP) Specification"
 *    Family "2.0", Level 00, Revision 00.43, January 26, 2015
 *    https://trustedcomputinggroup.org/pc-client-platform-tpm-profile-ptp-specification/
 */

#include <stdio.h>
#include <string.h>
#include <strings.h>
#include <stdlib.h>
#include <unistd.h>

#include "version.h"
#include "config.h"
#include "types.h"
#include "util.h"
#include "dmidecode.h"
#include "dmiopt.h"
#include "dmioem.h"

#define out_of_spec "<OUT OF SPEC>"
static const char *bad_index = "<BAD INDEX>";

#define SUPPORTED_SMBIOS_VER 0x030101

#define FLAG_NO_FILE_OFFSET     (1 << 0)
#define FLAG_STOP_AT_EOT        (1 << 1)

#define SYS_FIRMWARE_DIR "/sys/firmware/dmi/tables"
#define SYS_ENTRY_FILE SYS_FIRMWARE_DIR "/smbios_entry_point"
#define SYS_TABLE_FILE SYS_FIRMWARE_DIR "/DMI"

/*
 * Type-independant Stuff
 */

/* Returns 1 if the buffer contains only printable ASCII characters */
int is_printable(const u8 *data, int len)
{
	int i;

	for (i = 0; i < len; i++)
		if (data[i] < 32 || data[i] >= 127)
			return 0;

	return 1;
}

const char *dmi_string(const struct dmi_header *dm, u8 s)
{
	char *bp = (char *)dm->data;
	size_t i, len;

	if (s == 0)
		return "Not Specified";

	bp += dm->length;
	while (s > 1 && *bp)
	{
		bp += strlen(bp);
		bp++;
		s--;
	}

	if (!*bp)
		return bad_index;

	if (!(opt.flags & FLAG_DUMP))
	{
		/* ASCII filtering */
		len = strlen(bp);
		for (i = 0; i < len; i++)
			if (bp[i] < 32 || bp[i] == 127)
				bp[i] = '.';
	}

	return bp;
}

static const char *dmi_smbios_structure_type(u8 code)
{
	static const char *type[] = {
		"BIOS", /* 0 */
		"System",
		"Base Board",
		"Chassis",
		"Processor",
		"Memory Controller",
		"Memory Module",
		"Cache",
		"Port Connector",
		"System Slots",
		"On Board Devices",
		"OEM Strings",
		"System Configuration Options",
		"BIOS Language",
		"Group Associations",
		"System Event Log",
		"Physical Memory Array",
		"Memory Device",
		"32-bit Memory Error",
		"Memory Array Mapped Address",
		"Memory Device Mapped Address",
		"Built-in Pointing Device",
		"Portable Battery",
		"System Reset",
		"Hardware Security",
		"System Power Controls",
		"Voltage Probe",
		"Cooling Device",
		"Temperature Probe",
		"Electrical Current Probe",
		"Out-of-band Remote Access",
		"Boot Integrity Services",
		"System Boot",
		"64-bit Memory Error",
		"Management Device",
		"Management Device Component",
		"Management Device Threshold Data",
		"Memory Channel",
		"IPMI Device",
		"Power Supply",
		"Additional Information",
		"Onboard Device",
		"Management Controller Host Interface",
		"TPM Device", /* 43 */
	};

	if (code >= 128)
		return "OEM-specific";
	if (code <= 43)
		return type[code];
	return out_of_spec;
}

static int dmi_bcd_range(u8 value, u8 low, u8 high)
{
	if (value > 0x99 || (value & 0x0F) > 0x09)
		return 0;
	if (value < low || value > high)
		return 0;
	return 1;
}

static void dmi_dump(const struct dmi_header *h, const char *prefix)
{
	int row, i;
	const char *s;

	printf("%sHeader and Data:\n", prefix);
	for (row = 0; row < ((h->length - 1) >> 4) + 1; row++)
	{
		printf("%s\t", prefix);
		for (i = 0; i < 16 && i < h->length - (row << 4); i++)
			printf("%s%02X", i ? " " : "",
			       (h->data)[(row << 4) + i]);
		printf("\n");
	}

	if ((h->data)[h->length] || (h->data)[h->length + 1])
	{
		printf("%sStrings:\n", prefix);
		i = 1;
		while ((s = dmi_string(h, i++)) != bad_index)
		{
			if (opt.flags & FLAG_DUMP)
			{
				int j, l = strlen(s) + 1;
				for (row = 0; row < ((l - 1) >> 4) + 1; row++)
				{
					printf("%s\t", prefix);
					for (j = 0; j < 16 && j < l - (row << 4); j++)
						printf("%s%02X", j ? " " : "",
						       (unsigned char)s[(row << 4) + j]);
					printf("\n");
				}
				/* String isn't filtered yet so do it now */
				printf("%s\t\"", prefix);
				while (*s)
				{
					if (*s < 32 || *s == 127)
						fputc('.', stdout);
					else
						fputc(*s, stdout);
					s++;
				}
				printf("\"\n");
			}
			else
				printf("%s\t%s\n", prefix, s);
		}
	}
}

/* shift is 0 if the value is in bytes, 1 if it is in kilobytes */
static void dmi_print_memory_size(u64 code, int shift)
{
	unsigned long capacity;
	u16 split[7];
	static const char *unit[8] = {
		"bytes", "kB", "MB", "GB", "TB", "PB", "EB", "ZB"
	};
	int i;

	/*
	 * We split the overall size in powers of thousand: EB, PB, TB, GB,
	 * MB, kB and B. In practice, it is expected that only one or two
	 * (consecutive) of these will be non-zero.
	 */
	split[0] = code.l & 0x3FFUL;
	split[1] = (code.l >> 10) & 0x3FFUL;
	split[2] = (code.l >> 20) & 0x3FFUL;
	split[3] = ((code.h << 2) & 0x3FCUL) | (code.l >> 30);
	split[4] = (code.h >> 8) & 0x3FFUL;
	split[5] = (code.h >> 18) & 0x3FFUL;
	split[6] = code.h >> 28;

	/*
	 * Now we find the highest unit with a non-zero value. If the following
	 * is also non-zero, we use that as our base. If the following is zero,
	 * we simply display the highest unit.
	 */
	for (i = 6; i > 0; i--)
	{
		if (split[i])
			break;
	}
	if (i > 0 && split[i - 1])
	{
		i--;
		capacity = split[i] + (split[i + 1] << 10);
	}
	else
		capacity = split[i];

	printf(" %lu %s", capacity, unit[i + shift]);
}

/*
 * 7.1 BIOS Information (Type 0)
 */

static void dmi_bios_runtime_size(u32 code)
{
	if (code & 0x000003FF)
		printf(" %u bytes", code);
	else
		printf(" %u kB", code >> 10);
}

static void dmi_bios_rom_size(u8 code1, u16 code2)
{
	static const char *unit[4] = {
		"MB", "GB", out_of_spec, out_of_spec
	};

	if (code1 != 0xFF)
		printf(" %u kB", (code1 + 1) << 6);
	else
		printf(" %u %s", code2 & 0x3FFF, unit[code2 >> 14]);
}

static void dmi_bios_characteristics(u64 code, const char *prefix)
{
	/* 7.1.1 */
	static const char *characteristics[] = {
		"BIOS characteristics not supported", /* 3 */
		"ISA is supported",
		"MCA is supported",
		"EISA is supported",
		"PCI is supported",
		"PC Card (PCMCIA) is supported",
		"PNP is supported",
		"APM is supported",
		"BIOS is upgradeable",
		"BIOS shadowing is allowed",
		"VLB is supported",
		"ESCD support is available",
		"Boot from CD is supported",
		"Selectable boot is supported",
		"BIOS ROM is socketed",
		"Boot from PC Card (PCMCIA) is supported",
		"EDD is supported",
		"Japanese floppy for NEC 9800 1.2 MB is supported (int 13h)",
		"Japanese floppy for Toshiba 1.2 MB is supported (int 13h)",
		"5.25\"/360 kB floppy services are supported (int 13h)",
		"5.25\"/1.2 MB floppy services are supported (int 13h)",
		"3.5\"/720 kB floppy services are supported (int 13h)",
		"3.5\"/2.88 MB floppy services are supported (int 13h)",
		"Print screen service is supported (int 5h)",
		"8042 keyboard services are supported (int 9h)",
		"Serial services are supported (int 14h)",
		"Printer services are supported (int 17h)",
		"CGA/mono video services are supported (int 10h)",
		"NEC PC-98" /* 31 */
	};
	int i;

	/*
	 * This isn't very clear what this bit is supposed to mean
	 */
	if (code.l & (1 << 3))
	{
		printf("%s%s\n",
			prefix, characteristics[0]);
		return;
	}

	for (i = 4; i <= 31; i++)
		if (code.l & (1 << i))
			printf("%s%s\n",
				prefix, characteristics[i - 3]);
}

static void dmi_bios_characteristics_x1(u8 code, const char *prefix)
{
	/* 7.1.2.1 */
	static const char *characteristics[] = {
		"ACPI is supported", /* 0 */
		"USB legacy is supported",
		"AGP is supported",
		"I2O boot is supported",
		"LS-120 boot is supported",
		"ATAPI Zip drive boot is supported",
		"IEEE 1394 boot is supported",
		"Smart battery is supported" /* 7 */
	};
	int i;

	for (i = 0; i <= 7; i++)
		if (code & (1 << i))
			printf("%s%s\n",
				prefix, characteristics[i]);
}

static void dmi_bios_characteristics_x2(u8 code, const char *prefix)
{
	/* 37.1.2.2 */
	static const char *characteristics[] = {
		"BIOS boot specification is supported", /* 0 */
		"Function key-initiated network boot is supported",
		"Targeted content distribution is supported",
		"UEFI is supported",
		"System is a virtual machine" /* 4 */
	};
	int i;

	for (i = 0; i <= 4; i++)
		if (code & (1 << i))
			printf("%s%s\n",
				prefix, characteristics[i]);
}

/*
 * 7.2 System Information (Type 1)
 */

static void dmi_system_uuid(const u8 *p, u16 ver)
{
	int only0xFF = 1, only0x00 = 1;
	int i;

	for (i = 0; i < 16 && (only0x00 || only0xFF); i++)
	{
		if (p[i] != 0x00) only0x00 = 0;
		if (p[i] != 0xFF) only0xFF = 0;
	}

	if (only0xFF)
	{
		printf("Not Present");
		return;
	}
	if (only0x00)
	{
		printf("Not Settable");
		return;
	}

	/*
	 * As of version 2.6 of the SMBIOS specification, the first 3
	 * fields of the UUID are supposed to be encoded on little-endian.
	 * The specification says that this is the defacto standard,
	 * however I've seen systems following RFC 4122 instead and use
	 * network byte order, so I am reluctant to apply the byte-swapping
	 * for older versions.
	 */
	if (ver >= 0x0206)
		printf("%02X%02X%02X%02X-%02X%02X-%02X%02X-%02X%02X-%02X%02X%02X%02X%02X%02X",
			p[3], p[2], p[1], p[0], p[5], p[4], p[7], p[6],
			p[8], p[9], p[10], p[11], p[12], p[13], p[14], p[15]);
	else
		printf("%02X%02X%02X%02X-%02X%02X-%02X%02X-%02X%02X-%02X%02X%02X%02X%02X%02X",
			p[0], p[1], p[2], p[3], p[4], p[5], p[6], p[7],
			p[8], p[9], p[10], p[11], p[12], p[13], p[14], p[15]);
}

static const char *dmi_system_wake_up_type(u8 code)
{
	/* 7.2.2 */
	static const char *type[] = {
		"Reserved", /* 0x00 */
		"Other",
		"Unknown",
		"APM Timer",
		"Modem Ring",
		"LAN Remote",
		"Power Switch",
		"PCI PME#",
		"AC Power Restored" /* 0x08 */
	};

	if (code <= 0x08)
		return type[code];
	return out_of_spec;
}

/*
 * 7.3 Base Board Information (Type 2)
 */

static void dmi_base_board_features(u8 code, const char *prefix)
{
	/* 7.3.1 */
	static const char *features[] = {
		"Board is a hosting board", /* 0 */
		"Board requires at least one daughter board",
		"Board is removable",
		"Board is replaceable",
		"Board is hot swappable" /* 4 */
	};

	if ((code & 0x1F) == 0)
		printf(" None\n");
	else
	{
		int i;

		printf("\n");
		for (i = 0; i <= 4; i++)
			if (code & (1 << i))
				printf("%s%s\n",
					prefix, features[i]);
	}
}

static const char *dmi_base_board_type(u8 code)
{
	/* 7.3.2 */
	static const char *type[] = {
		"Unknown", /* 0x01 */
		"Other",
		"Server Blade",
		"Connectivity Switch",
		"System Management Module",
		"Processor Module",
		"I/O Module",
		"Memory Module",
		"Daughter Board",
		"Motherboard",
		"Processor+Memory Module",
		"Processor+I/O Module",
		"Interconnect Board" /* 0x0D */
	};

	if (code >= 0x01 && code <= 0x0D)
		return type[code - 0x01];
	return out_of_spec;
}

static void dmi_base_board_handles(u8 count, const u8 *p, const char *prefix)
{
	int i;

	printf("%sContained Object Handles: %u\n",
		prefix, count);
	for (i = 0; i < count; i++)
		printf("%s\t0x%04X\n",
			prefix, WORD(p + sizeof(u16) * i));
}

/*
 * 7.4 Chassis Information (Type 3)
 */

static const char *dmi_chassis_type(u8 code)
{
	/* 7.4.1 */
	static const char *type[] = {
		"Other", /* 0x01 */
		"Unknown",
		"Desktop",
		"Low Profile Desktop",
		"Pizza Box",
		"Mini Tower",
		"Tower",
		"Portable",
		"Laptop",
		"Notebook",
		"Hand Held",
		"Docking Station",
		"All In One",
		"Sub Notebook",
		"Space-saving",
		"Lunch Box",
		"Main Server Chassis", /* CIM_Chassis.ChassisPackageType says "Main System Chassis" */
		"Expansion Chassis",
		"Sub Chassis",
		"Bus Expansion Chassis",
		"Peripheral Chassis",
		"RAID Chassis",
		"Rack Mount Chassis",
		"Sealed-case PC",
		"Multi-system",
		"CompactPCI",
		"AdvancedTCA",
		"Blade",
		"Blade Enclosing",
		"Tablet",
		"Convertible",
		"Detachable",
		"IoT Gateway",
		"Embedded PC",
		"Mini PC",
		"Stick PC" /* 0x24 */
	};

	code &= 0x7F; /* bits 6:0 are chassis type, 7th bit is the lock bit */

	if (code >= 0x01 && code <= 0x24)
		return type[code - 0x01];
	return out_of_spec;
}

static const char *dmi_chassis_lock(u8 code)
{
	static const char *lock[] = {
		"Not Present", /* 0x00 */
		"Present" /* 0x01 */
	};

	return lock[code];
}

static const char *dmi_chassis_state(u8 code)
{
	/* 7.4.2 */
	static const char *state[] = {
		"Other", /* 0x01 */
		"Unknown",
		"Safe",
		"Warning",
		"Critical",
		"Non-recoverable" /* 0x06 */
	};

	if (code >= 0x01 && code <= 0x06)
		return state[code - 0x01];
	return out_of_spec;
}

static const char *dmi_chassis_security_status(u8 code)
{
	/* 7.4.3 */
	static const char *status[] = {
		"Other", /* 0x01 */
		"Unknown",
		"None",
		"External Interface Locked Out",
		"External Interface Enabled" /* 0x05 */
	};

	if (code >= 0x01 && code <= 0x05)
		return status[code - 0x01];
	return out_of_spec;
}

static void dmi_chassis_height(u8 code)
{
	if (code == 0x00)
		printf(" Unspecified");
	else
		printf(" %u U", code);
}

static void dmi_chassis_power_cords(u8 code)
{
	if (code == 0x00)
		printf(" Unspecified");
	else
		printf(" %u", code);
}

static void dmi_chassis_elements(u8 count, u8 len, const u8 *p, const char *prefix)
{
	int i;

	printf("%sContained Elements: %u\n",
		prefix, count);
	for (i = 0; i < count; i++)
	{
		if (len >= 0x03)
		{
			printf("%s\t%s (",
				prefix, p[i * len] & 0x80 ?
				dmi_smbios_structure_type(p[i * len] & 0x7F) :
				dmi_base_board_type(p[i * len] & 0x7F));
			if (p[1 + i * len] == p[2 + i * len])
				printf("%u", p[1 + i * len]);
			else
				printf("%u-%u", p[1 + i * len], p[2 + i * len]);
			printf(")\n");
		}
	}
}

/*
 * 7.5 Processor Information (Type 4)
 */

static const char *dmi_processor_type(u8 code)
{
	/* 7.5.1 */
	static const char *type[] = {
		"Other", /* 0x01 */
		"Unknown",
		"Central Processor",
		"Math Processor",
		"DSP Processor",
		"Video Processor" /* 0x06 */
	};

	if (code >= 0x01 && code <= 0x06)
		return type[code - 0x01];
	return out_of_spec;
}

static const char *dmi_processor_family(const struct dmi_header *h, u16 ver)
{
	const u8 *data = h->data;
	unsigned int i, low, high;
	u16 code;

	/* 7.5.2 */
	static struct {
		int value;
		const char *name;
	} family2[] = {
		{ 0x01, "Other" },
		{ 0x02, "Unknown" },
		{ 0x03, "8086" },
		{ 0x04, "80286" },
		{ 0x05, "80386" },
		{ 0x06, "80486" },
		{ 0x07, "8087" },
		{ 0x08, "80287" },
		{ 0x09, "80387" },
		{ 0x0A, "80487" },
		{ 0x0B, "Pentium" },
		{ 0x0C, "Pentium Pro" },
		{ 0x0D, "Pentium II" },
		{ 0x0E, "Pentium MMX" },
		{ 0x0F, "Celeron" },
		{ 0x10, "Pentium II Xeon" },
		{ 0x11, "Pentium III" },
		{ 0x12, "M1" },
		{ 0x13, "M2" },
		{ 0x14, "Celeron M" },
		{ 0x15, "Pentium 4 HT" },

		{ 0x18, "Duron" },
		{ 0x19, "K5" },
		{ 0x1A, "K6" },
		{ 0x1B, "K6-2" },
		{ 0x1C, "K6-3" },
		{ 0x1D, "Athlon" },
		{ 0x1E, "AMD29000" },
		{ 0x1F, "K6-2+" },
		{ 0x20, "Power PC" },
		{ 0x21, "Power PC 601" },
		{ 0x22, "Power PC 603" },
		{ 0x23, "Power PC 603+" },
		{ 0x24, "Power PC 604" },
		{ 0x25, "Power PC 620" },
		{ 0x26, "Power PC x704" },
		{ 0x27, "Power PC 750" },
		{ 0x28, "Core Duo" },
		{ 0x29, "Core Duo Mobile" },
		{ 0x2A, "Core Solo Mobile" },
		{ 0x2B, "Atom" },
		{ 0x2C, "Core M" },
		{ 0x2D, "Core m3" },
		{ 0x2E, "Core m5" },
		{ 0x2F, "Core m7" },
		{ 0x30, "Alpha" },
		{ 0x31, "Alpha 21064" },
		{ 0x32, "Alpha 21066" },
		{ 0x33, "Alpha 21164" },
		{ 0x34, "Alpha 21164PC" },
		{ 0x35, "Alpha 21164a" },
		{ 0x36, "Alpha 21264" },
		{ 0x37, "Alpha 21364" },
		{ 0x38, "Turion II Ultra Dual-Core Mobile M" },
		{ 0x39, "Turion II Dual-Core Mobile M" },
		{ 0x3A, "Athlon II Dual-Core M" },
		{ 0x3B, "Opteron 6100" },
		{ 0x3C, "Opteron 4100" },
		{ 0x3D, "Opteron 6200" },
		{ 0x3E, "Opteron 4200" },
		{ 0x3F, "FX" },
		{ 0x40, "MIPS" },
		{ 0x41, "MIPS R4000" },
		{ 0x42, "MIPS R4200" },
		{ 0x43, "MIPS R4400" },
		{ 0x44, "MIPS R4600" },
		{ 0x45, "MIPS R10000" },
		{ 0x46, "C-Series" },
		{ 0x47, "E-Series" },
		{ 0x48, "A-Series" },
		{ 0x49, "G-Series" },
		{ 0x4A, "Z-Series" },
		{ 0x4B, "R-Series" },
		{ 0x4C, "Opteron 4300" },
		{ 0x4D, "Opteron 6300" },
		{ 0x4E, "Opteron 3300" },
		{ 0x4F, "FirePro" },
		{ 0x50, "SPARC" },
		{ 0x51, "SuperSPARC" },
		{ 0x52, "MicroSPARC II" },
		{ 0x53, "MicroSPARC IIep" },
		{ 0x54, "UltraSPARC" },
		{ 0x55, "UltraSPARC II" },
		{ 0x56, "UltraSPARC IIi" },
		{ 0x57, "UltraSPARC III" },
		{ 0x58, "UltraSPARC IIIi" },

		{ 0x60, "68040" },
		{ 0x61, "68xxx" },
		{ 0x62, "68000" },
		{ 0x63, "68010" },
		{ 0x64, "68020" },
		{ 0x65, "68030" },
		{ 0x66, "Athlon X4" },
		{ 0x67, "Opteron X1000" },
		{ 0x68, "Opteron X2000" },
		{ 0x69, "Opteron A-Series" },
		{ 0x6A, "Opteron X3000" },
		{ 0x6B, "Zen" },

		{ 0x70, "Hobbit" },

		{ 0x78, "Crusoe TM5000" },
		{ 0x79, "Crusoe TM3000" },
		{ 0x7A, "Efficeon TM8000" },

		{ 0x80, "Weitek" },

		{ 0x82, "Itanium" },
		{ 0x83, "Athlon 64" },
		{ 0x84, "Opteron" },
		{ 0x85, "Sempron" },
		{ 0x86, "Turion 64" },
		{ 0x87, "Dual-Core Opteron" },
		{ 0x88, "Athlon 64 X2" },
		{ 0x89, "Turion 64 X2" },
		{ 0x8A, "Quad-Core Opteron" },
		{ 0x8B, "Third-Generation Opteron" },
		{ 0x8C, "Phenom FX" },
		{ 0x8D, "Phenom X4" },
		{ 0x8E, "Phenom X2" },
		{ 0x8F, "Athlon X2" },
		{ 0x90, "PA-RISC" },
		{ 0x91, "PA-RISC 8500" },
		{ 0x92, "PA-RISC 8000" },
		{ 0x93, "PA-RISC 7300LC" },
		{ 0x94, "PA-RISC 7200" },
		{ 0x95, "PA-RISC 7100LC" },
		{ 0x96, "PA-RISC 7100" },

		{ 0xA0, "V30" },
		{ 0xA1, "Quad-Core Xeon 3200" },
		{ 0xA2, "Dual-Core Xeon 3000" },
		{ 0xA3, "Quad-Core Xeon 5300" },
		{ 0xA4, "Dual-Core Xeon 5100" },
		{ 0xA5, "Dual-Core Xeon 5000" },
		{ 0xA6, "Dual-Core Xeon LV" },
		{ 0xA7, "Dual-Core Xeon ULV" },
		{ 0xA8, "Dual-Core Xeon 7100" },
		{ 0xA9, "Quad-Core Xeon 5400" },
		{ 0xAA, "Quad-Core Xeon" },
		{ 0xAB, "Dual-Core Xeon 5200" },
		{ 0xAC, "Dual-Core Xeon 7200" },
		{ 0xAD, "Quad-Core Xeon 7300" },
		{ 0xAE, "Quad-Core Xeon 7400" },
		{ 0xAF, "Multi-Core Xeon 7400" },
		{ 0xB0, "Pentium III Xeon" },
		{ 0xB1, "Pentium III Speedstep" },
		{ 0xB2, "Pentium 4" },
		{ 0xB3, "Xeon" },
		{ 0xB4, "AS400" },
		{ 0xB5, "Xeon MP" },
		{ 0xB6, "Athlon XP" },
		{ 0xB7, "Athlon MP" },
		{ 0xB8, "Itanium 2" },
		{ 0xB9, "Pentium M" },
		{ 0xBA, "Celeron D" },
		{ 0xBB, "Pentium D" },
		{ 0xBC, "Pentium EE" },
		{ 0xBD, "Core Solo" },
		/* 0xBE handled as a special case */
		{ 0xBF, "Core 2 Duo" },
		{ 0xC0, "Core 2 Solo" },
		{ 0xC1, "Core 2 Extreme" },
		{ 0xC2, "Core 2 Quad" },
		{ 0xC3, "Core 2 Extreme Mobile" },
		{ 0xC4, "Core 2 Duo Mobile" },
		{ 0xC5, "Core 2 Solo Mobile" },
		{ 0xC6, "Core i7" },
		{ 0xC7, "Dual-Core Celeron" },
		{ 0xC8, "IBM390" },
		{ 0xC9, "G4" },
		{ 0xCA, "G5" },
		{ 0xCB, "ESA/390 G6" },
		{ 0xCC, "z/Architecture" },
		{ 0xCD, "Core i5" },
		{ 0xCE, "Core i3" },

		{ 0xD2, "C7-M" },
		{ 0xD3, "C7-D" },
		{ 0xD4, "C7" },
		{ 0xD5, "Eden" },
		{ 0xD6, "Multi-Core Xeon" },
		{ 0xD7, "Dual-Core Xeon 3xxx" },
		{ 0xD8, "Quad-Core Xeon 3xxx" },
		{ 0xD9, "Nano" },
		{ 0xDA, "Dual-Core Xeon 5xxx" },
		{ 0xDB, "Quad-Core Xeon 5xxx" },

		{ 0xDD, "Dual-Core Xeon 7xxx" },
		{ 0xDE, "Quad-Core Xeon 7xxx" },
		{ 0xDF, "Multi-Core Xeon 7xxx" },
		{ 0xE0, "Multi-Core Xeon 3400" },

		{ 0xE4, "Opteron 3000" },
		{ 0xE5, "Sempron II" },
		{ 0xE6, "Embedded Opteron Quad-Core" },
		{ 0xE7, "Phenom Triple-Core" },
		{ 0xE8, "Turion Ultra Dual-Core Mobile" },
		{ 0xE9, "Turion Dual-Core Mobile" },
		{ 0xEA, "Athlon Dual-Core" },
		{ 0xEB, "Sempron SI" },
		{ 0xEC, "Phenom II" },
		{ 0xED, "Athlon II" },
		{ 0xEE, "Six-Core Opteron" },
		{ 0xEF, "Sempron M" },

		{ 0xFA, "i860" },
		{ 0xFB, "i960" },

		{ 0x100, "ARMv7" },
		{ 0x101, "ARMv8" },
		{ 0x104, "SH-3" },
		{ 0x105, "SH-4" },
		{ 0x118, "ARM" },
		{ 0x119, "StrongARM" },
		{ 0x12C, "6x86" },
		{ 0x12D, "MediaGX" },
		{ 0x12E, "MII" },
		{ 0x140, "WinChip" },
		{ 0x15E, "DSP" },
		{ 0x1F4, "Video Processor" },
	};
	/*
	 * Note to developers: when adding entries to this list, check if
	 * function dmi_processor_id below needs updating too.
	 */

	/* Special case for ambiguous value 0x30 (SMBIOS 2.0 only) */
	if (ver == 0x0200 && data[0x06] == 0x30 && h->length >= 0x08)
	{
		const char *manufacturer = dmi_string(h, data[0x07]);

		if (strstr(manufacturer, "Intel") != NULL
		 || strncasecmp(manufacturer, "Intel", 5) == 0)
			return "Pentium Pro";
	}

	code = (data[0x06] == 0xFE && h->length >= 0x2A) ?
		WORD(data + 0x28) : data[0x06];

	/* Special case for ambiguous value 0xBE */
	if (code == 0xBE)
	{
		if (h->length >= 0x08)
		{
			const char *manufacturer = dmi_string(h, data[0x07]);

			/* Best bet based on manufacturer string */
			if (strstr(manufacturer, "Intel") != NULL
			 || strncasecmp(manufacturer, "Intel", 5) == 0)
				return "Core 2";
			if (strstr(manufacturer, "AMD") != NULL
			 || strncasecmp(manufacturer, "AMD", 3) == 0)
				return "K7";
		}

		return "Core 2 or K7";
	}

	/* Perform a binary search */
	low = 0;
	high = ARRAY_SIZE(family2) - 1;

	while (1)
	{
		i = (low + high) / 2;
		if (family2[i].value == code)
			return family2[i].name;
		if (low == high) /* Not found */
			return out_of_spec;

		if (code < family2[i].value)
			high = i;
		else
			low = i + 1;
	}
}

static void dmi_processor_id(const struct dmi_header *h, const char *prefix)
{
	/* Intel AP-485 revision 36, table 2-4 */
	static const char *flags[32] = {
		"FPU (Floating-point unit on-chip)", /* 0 */
		"VME (Virtual mode extension)",
		"DE (Debugging extension)",
		"PSE (Page size extension)",
		"TSC (Time stamp counter)",
		"MSR (Model specific registers)",
		"PAE (Physical address extension)",
		"MCE (Machine check exception)",
		"CX8 (CMPXCHG8 instruction supported)",
		"APIC (On-chip APIC hardware supported)",
		NULL, /* 10 */
		"SEP (Fast system call)",
		"MTRR (Memory type range registers)",
		"PGE (Page global enable)",
		"MCA (Machine check architecture)",
		"CMOV (Conditional move instruction supported)",
		"PAT (Page attribute table)",
		"PSE-36 (36-bit page size extension)",
		"PSN (Processor serial number present and enabled)",
		"CLFSH (CLFLUSH instruction supported)",
		NULL, /* 20 */
		"DS (Debug store)",
		"ACPI (ACPI supported)",
		"MMX (MMX technology supported)",
		"FXSR (FXSAVE and FXSTOR instructions supported)",
		"SSE (Streaming SIMD extensions)",
		"SSE2 (Streaming SIMD extensions 2)",
		"SS (Self-snoop)",
		"HTT (Multi-threading)",
		"TM (Thermal monitor supported)",
		NULL, /* 30 */
		"PBE (Pending break enabled)" /* 31 */
	};
	const u8 *data = h->data;
	const u8 *p = data + 0x08;
	u32 eax, edx;
	int sig = 0;
	u16 type;

	type = (data[0x06] == 0xFE && h->length >= 0x2A) ?
		WORD(data + 0x28) : data[0x06];

	/*
	 * This might help learn about new processors supporting the
	 * CPUID instruction or another form of identification.
	 */
	printf("%sID: %02X %02X %02X %02X %02X %02X %02X %02X\n",
		prefix, p[0], p[1], p[2], p[3], p[4], p[5], p[6], p[7]);

	if (type == 0x05) /* 80386 */
	{
		u16 dx = WORD(p);
		/*
		 * 80386 have a different signature.
		 */
		printf("%sSignature: Type %u, Family %u, Major Stepping %u, Minor Stepping %u\n",
			prefix, dx >> 12, (dx >> 8) & 0xF,
			(dx >> 4) & 0xF, dx & 0xF);
		return;
	}
	if (type == 0x06) /* 80486 */
	{
		u16 dx = WORD(p);
		/*
		 * Not all 80486 CPU support the CPUID instruction, we have to find
		 * wether the one we have here does or not. Note that this trick
		 * works only because we know that 80486 must be little-endian.
		 */
		if ((dx & 0x0F00) == 0x0400
		 && ((dx & 0x00F0) == 0x0040 || (dx & 0x00F0) >= 0x0070)
		 && ((dx & 0x000F) >= 0x0003))
			sig = 1;
		else
		{
			printf("%sSignature: Type %u, Family %u, Model %u, Stepping %u\n",
				prefix, (dx >> 12) & 0x3, (dx >> 8) & 0xF,
				(dx >> 4) & 0xF, dx & 0xF);
			return;
		}
	}
	else if ((type >= 0x100 && type <= 0x101) /* ARM */
	      || (type >= 0x118 && type <= 0x119)) /* ARM */
	{
		u32 midr = DWORD(p);
		/*
		 * The format of this field was not defined for ARM processors
		 * before version 3.1.0 of the SMBIOS specification, so we
		 * silently skip it if it reads all zeroes.
		 */
		if (midr == 0)
			return;
		printf("%sSignature: Implementor 0x%02x, Variant 0x%x, Architecture %u, Part 0x%03x, Revision %u\n",
			prefix, midr >> 24, (midr >> 20) & 0xF,
			(midr >> 16) & 0xF, (midr >> 4) & 0xFFF, midr & 0xF);
		return;
	}
	else if ((type >= 0x0B && type <= 0x15) /* Intel, Cyrix */
	      || (type >= 0x28 && type <= 0x2F) /* Intel */
	      || (type >= 0xA1 && type <= 0xB3) /* Intel */
	      || type == 0xB5 /* Intel */
	      || (type >= 0xB9 && type <= 0xC7) /* Intel */
	      || (type >= 0xCD && type <= 0xCE) /* Intel */
	      || (type >= 0xD2 && type <= 0xDB) /* VIA, Intel */
	      || (type >= 0xDD && type <= 0xE0)) /* Intel */
		sig = 1;
	else if ((type >= 0x18 && type <= 0x1D) /* AMD */
	      || type == 0x1F /* AMD */
	      || (type >= 0x38 && type <= 0x3F) /* AMD */
	      || (type >= 0x46 && type <= 0x4F) /* AMD */
	      || (type >= 0x66 && type <= 0x6B) /* AMD */
	      || (type >= 0x83 && type <= 0x8F) /* AMD */
	      || (type >= 0xB6 && type <= 0xB7) /* AMD */
	      || (type >= 0xE4 && type <= 0xEF)) /* AMD */
		sig = 2;
	else if (type == 0x01 || type == 0x02)
	{
		const char *version = dmi_string(h, data[0x10]);
		/*
		 * Some X86-class CPU have family "Other" or "Unknown". In this case,
		 * we use the version string to determine if they are known to
		 * support the CPUID instruction.
		 */
		if (strncmp(version, "Pentium III MMX", 15) == 0
		 || strncmp(version, "Intel(R) Core(TM)2", 18) == 0
		 || strncmp(version, "Intel(R) Pentium(R)", 19) == 0
		 || strcmp(version, "Genuine Intel(R) CPU U1400") == 0)
			sig = 1;
		else if (strncmp(version, "AMD Athlon(TM)", 14) == 0
		      || strncmp(version, "AMD Opteron(tm)", 15) == 0
		      || strncmp(version, "Dual-Core AMD Opteron(tm)", 25) == 0)
			sig = 2;
		else
			return;
	}
	else /* neither X86 nor ARM */
		return;

	/*
	 * Extra flags are now returned in the ECX register when one calls
	 * the CPUID instruction. Their meaning is explained in table 3-5, but
	 * DMI doesn't support this yet.
	 */
	eax = DWORD(p);
	edx = DWORD(p + 4);
	switch (sig)
	{
		case 1: /* Intel */
			printf("%sSignature: Type %u, Family %u, Model %u, Stepping %u\n",
				prefix, (eax >> 12) & 0x3,
				((eax >> 20) & 0xFF) + ((eax >> 8) & 0x0F),
				((eax >> 12) & 0xF0) + ((eax >> 4) & 0x0F),
				eax & 0xF);
			break;
		case 2: /* AMD, publication #25481 revision 2.28 */
			printf("%sSignature: Family %u, Model %u, Stepping %u\n",
				prefix,
				((eax >> 8) & 0xF) + (((eax >> 8) & 0xF) == 0xF ? (eax >> 20) & 0xFF : 0),
				((eax >> 4) & 0xF) | (((eax >> 8) & 0xF) == 0xF ? (eax >> 12) & 0xF0 : 0),
				eax & 0xF);
			break;
	}

	edx = DWORD(p + 4);
	printf("%sFlags:", prefix);
	if ((edx & 0xBFEFFBFF) == 0)
		printf(" None\n");
	else
	{
		int i;

		printf("\n");
		for (i = 0; i <= 31; i++)
			if (flags[i] != NULL && edx & (1 << i))
				printf("%s\t%s\n", prefix, flags[i]);
	}
}

static void dmi_processor_voltage(u8 code)
{
	/* 7.5.4 */
	static const char *voltage[] = {
		"5.0 V", /* 0 */
		"3.3 V",
		"2.9 V" /* 2 */
	};
	int i;

	if (code & 0x80)
		printf(" %.1f V", (float)(code & 0x7f) / 10);
	else
	{
		for (i = 0; i <= 2; i++)
			if (code & (1 << i))
				printf(" %s", voltage[i]);
		if (code == 0x00)
			printf(" Unknown");
	}
}

static void dmi_processor_frequency(const u8 *p)
{
	u16 code = WORD(p);

	if (code)
		printf("%u MHz", code);
	else
		printf("Unknown");
}

/* code is assumed to be a 3-bit value */
static const char *dmi_processor_status(u8 code)
{
	static const char *status[] = {
		"Unknown", /* 0x00 */
		"Enabled",
		"Disabled By User",
		"Disabled By BIOS",
		"Idle", /* 0x04 */
		out_of_spec,
		out_of_spec,
		"Other" /* 0x07 */
	};

	return status[code];
}

static const char *dmi_processor_upgrade(u8 code)
{
	/* 7.5.5 */
	static const char *upgrade[] = {
		"Other", /* 0x01 */
		"Unknown",
		"Daughter Board",
		"ZIF Socket",
		"Replaceable Piggy Back",
		"None",
		"LIF Socket",
		"Slot 1",
		"Slot 2",
		"370-pin Socket",
		"Slot A",
		"Slot M",
		"Socket 423",
		"Socket A (Socket 462)",
		"Socket 478",
		"Socket 754",
		"Socket 940",
		"Socket 939",
		"Socket mPGA604",
		"Socket LGA771",
		"Socket LGA775",
		"Socket S1",
		"Socket AM2",
		"Socket F (1207)",
		"Socket LGA1366",
		"Socket G34",
		"Socket AM3",
		"Socket C32",
		"Socket LGA1156",
		"Socket LGA1567",
		"Socket PGA988A",
		"Socket BGA1288",
		"Socket rPGA988B",
		"Socket BGA1023",
		"Socket BGA1224",
		"Socket BGA1155",
		"Socket LGA1356",
		"Socket LGA2011",
		"Socket FS1",
		"Socket FS2",
		"Socket FM1",
		"Socket FM2",
		"Socket LGA2011-3",
		"Socket LGA1356-3",
		"Socket LGA1150",
		"Socket BGA1168",
		"Socket BGA1234",
		"Socket BGA1364",
		"Socket AM4",
		"Socket LGA1151",
		"Socket BGA1356",
		"Socket BGA1440",
		"Socket BGA1515",
		"Socket LGA3647-1",
		"Socket SP3",
		"Socket SP3r2" /* 0x38 */
	};

	if (code >= 0x01 && code <= 0x38)
		return upgrade[code - 0x01];
	return out_of_spec;
}

static void dmi_processor_cache(u16 code, const char *level, u16 ver)
{
	if (code == 0xFFFF)
	{
		if (ver >= 0x0203)
			printf(" Not Provided");
		else
			printf(" No %s Cache", level);
	}
	else
		printf(" 0x%04X", code);
}

static void dmi_processor_characteristics(u16 code, const char *prefix)
{
	/* 7.5.9 */
	static const char *characteristics[] = {
		"64-bit capable", /* 2 */
		"Multi-Core",
		"Hardware Thread",
		"Execute Protection",
		"Enhanced Virtualization",
		"Power/Performance Control" /* 7 */
	};

	if ((code & 0x00FC) == 0)
		printf(" None\n");
	else
	{
		int i;

		printf("\n");
		for (i = 2; i <= 7; i++)
			if (code & (1 << i))
				printf("%s%s\n", prefix, characteristics[i - 2]);
	}
}

/*
 * 7.6 Memory Controller Information (Type 5)
 */

static const char *dmi_memory_controller_ed_method(u8 code)
{
	/* 7.6.1 */
	static const char *method[] = {
		"Other", /* 0x01 */
		"Unknown",
		"None",
		"8-bit Parity",
		"32-bit ECC",
		"64-bit ECC",
		"128-bit ECC",
		"CRC" /* 0x08 */
	};

	if (code >= 0x01 && code <= 0x08)
		return method[code - 0x01];
	return out_of_spec;
}

static void dmi_memory_controller_ec_capabilities(u8 code, const char *prefix)
{
	/* 7.6.2 */
	static const char *capabilities[] = {
		"Other", /* 0 */
		"Unknown",
		"None",
		"Single-bit Error Correcting",
		"Double-bit Error Correcting",
		"Error Scrubbing" /* 5 */
	};

	if ((code & 0x3F) == 0)
		printf(" None\n");
	else
	{
		int i;

		printf("\n");
		for (i = 0; i <= 5; i++)
			if (code & (1 << i))
				printf("%s%s\n", prefix, capabilities[i]);
	}
}

static const char *dmi_memory_controller_interleave(u8 code)
{
	/* 7.6.3 */
	static const char *interleave[] = {
		"Other", /* 0x01 */
		"Unknown",
		"One-way Interleave",
		"Two-way Interleave",
		"Four-way Interleave",
		"Eight-way Interleave",
		"Sixteen-way Interleave" /* 0x07 */
	};

	if (code >= 0x01 && code <= 0x07)
		return interleave[code - 0x01];
	return out_of_spec;
}

static void dmi_memory_controller_speeds(u16 code, const char *prefix)
{
	/* 7.6.4 */
	const char *speeds[] = {
		"Other", /* 0 */
		"Unknown",
		"70 ns",
		"60 ns",
		"50 ns" /* 4 */
	};

	if ((code & 0x001F) == 0)
		printf(" None\n");
	else
	{
		int i;

		printf("\n");
		for (i = 0; i <= 4; i++)
			if (code & (1 << i))
				printf("%s%s\n", prefix, speeds[i]);
	}
}

static void dmi_memory_controller_slots(u8 count, const u8 *p, const char *prefix)
{
	int i;

	printf("%sAssociated Memory Slots: %u\n",
		prefix, count);
	for (i = 0; i < count; i++)
		printf("%s\t0x%04X\n",
			prefix, WORD(p + sizeof(u16) * i));
}

/*
 * 7.7 Memory Module Information (Type 6)
 */

static void dmi_memory_module_types(u16 code, const char *sep)
{
	/* 7.7.1 */
	static const char *types[] = {
		"Other", /* 0 */
		"Unknown",
		"Standard",
		"FPM",
		"EDO",
		"Parity",
		"ECC",
		"SIMM",
		"DIMM",
		"Burst EDO",
		"SDRAM" /* 10 */
	};

	if ((code & 0x07FF) == 0)
		printf(" None");
	else
	{
		int i;

		for (i = 0; i <= 10; i++)
			if (code & (1 << i))
				printf("%s%s", sep, types[i]);
	}
}

static void dmi_memory_module_connections(u8 code)
{
	if (code == 0xFF)
		printf(" None");
	else
	{
		if ((code & 0xF0) != 0xF0)
			printf(" %u", code >> 4);
		if ((code & 0x0F) != 0x0F)
			printf(" %u", code & 0x0F);
	}
}

static void dmi_memory_module_speed(u8 code)
{
	if (code == 0)
		printf(" Unknown");
	else
		printf(" %u ns", code);
}

static void dmi_memory_module_size(u8 code)
{
	/* 7.7.2 */
	switch (code & 0x7F)
	{
		case 0x7D:
			printf(" Not Determinable");
			break;
		case 0x7E:
			printf(" Disabled");
			break;
		case 0x7F:
			printf(" Not Installed");
			return;
		default:
			printf(" %u MB", 1 << (code & 0x7F));
	}

	if (code & 0x80)
		printf(" (Double-bank Connection)");
	else
		printf(" (Single-bank Connection)");
}

static void dmi_memory_module_error(u8 code, const char *prefix)
{
	if (code & (1 << 2))
		printf(" See Event Log\n");
	else
	{	if ((code & 0x03) == 0)
			printf(" OK\n");
		if (code & (1 << 0))
			printf("%sUncorrectable Errors\n", prefix);
		if (code & (1 << 1))
			printf("%sCorrectable Errors\n", prefix);
	}
}

/*
 * 7.8 Cache Information (Type 7)
 */

static const char *dmi_cache_mode(u8 code)
{
	static const char *mode[] = {
		"Write Through", /* 0x00 */
		"Write Back",
		"Varies With Memory Address",
		"Unknown" /* 0x03 */
	};

	return mode[code];
}

/* code is assumed to be a 2-bit value */
static const char *dmi_cache_location(u8 code)
{
	static const char *location[4] = {
		"Internal", /* 0x00 */
		"External",
		out_of_spec, /* 0x02 */
		"Unknown" /* 0x03 */
	};

	return location[code];
}

static void dmi_cache_size(u16 code)
{
	if (code & 0x8000)
		printf(" %u kB", (code & 0x7FFF) << 6);
	else
		printf(" %u kB", code);
}

static void dmi_cache_size_2(u32 code)
{
	if (code & 0x80000000)
	{
		code &= 0x7FFFFFFFLU;
		/* Use a more convenient unit for large cache size */
		if (code >= 0x8000)
			printf(" %u MB", code >> 4);
		else
			printf(" %u kB", code << 6);
	}
	else
		printf(" %u kB", code);
}

static void dmi_cache_types(u16 code, const char *sep)
{
	/* 7.8.2 */
	static const char *types[] = {
		"Other", /* 0 */
		"Unknown",
		"Non-burst",
		"Burst",
		"Pipeline Burst",
		"Synchronous",
		"Asynchronous" /* 6 */
	};

	if ((code & 0x007F) == 0)
		printf(" None");
	else
	{
		int i;

		for (i = 0; i <= 6; i++)
			if (code & (1 << i))
				printf("%s%s", sep, types[i]);
	}
}

static const char *dmi_cache_ec_type(u8 code)
{
	/* 7.8.3 */
	static const char *type[] = {
		"Other", /* 0x01 */
		"Unknown",
		"None",
		"Parity",
		"Single-bit ECC",
		"Multi-bit ECC" /* 0x06 */
	};

	if (code >= 0x01 && code <= 0x06)
		return type[code - 0x01];
	return out_of_spec;
}

static const char *dmi_cache_type(u8 code)
{
	/* 7.8.4 */
	static const char *type[] = {
		"Other", /* 0x01 */
		"Unknown",
		"Instruction",
		"Data",
		"Unified" /* 0x05 */
	};

	if (code >= 0x01 && code <= 0x05)
		return type[code - 0x01];
	return out_of_spec;
}

static const char *dmi_cache_associativity(u8 code)
{
	/* 7.8.5 */
	static const char *type[] = {
		"Other", /* 0x01 */
		"Unknown",
		"Direct Mapped",
		"2-way Set-associative",
		"4-way Set-associative",
		"Fully Associative",
		"8-way Set-associative",
		"16-way Set-associative",
		"12-way Set-associative",
		"24-way Set-associative",
		"32-way Set-associative",
		"48-way Set-associative",
		"64-way Set-associative",
		"20-way Set-associative" /* 0x0E */
	};

	if (code >= 0x01 && code <= 0x0E)
		return type[code - 0x01];
	return out_of_spec;
}

/*
 * 7.9 Port Connector Information (Type 8)
 */

static const char *dmi_port_connector_type(u8 code)
{
	/* 7.9.2 */
	static const char *type[] = {
		"None", /* 0x00 */
		"Centronics",
		"Mini Centronics",
		"Proprietary",
		"DB-25 male",
		"DB-25 female",
		"DB-15 male",
		"DB-15 female",
		"DB-9 male",
		"DB-9 female",
		"RJ-11",
		"RJ-45",
		"50 Pin MiniSCSI",
		"Mini DIN",
		"Micro DIN",
		"PS/2",
		"Infrared",
		"HP-HIL",
		"Access Bus (USB)",
		"SSA SCSI",
		"Circular DIN-8 male",
		"Circular DIN-8 female",
		"On Board IDE",
		"On Board Floppy",
		"9 Pin Dual Inline (pin 10 cut)",
		"25 Pin Dual Inline (pin 26 cut)",
		"50 Pin Dual Inline",
		"68 Pin Dual Inline",
		"On Board Sound Input From CD-ROM",
		"Mini Centronics Type-14",
		"Mini Centronics Type-26",
		"Mini Jack (headphones)",
		"BNC",
		"IEEE 1394",
		"SAS/SATA Plug Receptacle" /* 0x22 */
	};
	static const char *type_0xA0[] = {
		"PC-98", /* 0xA0 */
		"PC-98 Hireso",
		"PC-H98",
		"PC-98 Note",
		"PC-98 Full" /* 0xA4 */
	};

	if (code <= 0x22)
		return type[code];
	if (code >= 0xA0 && code <= 0xA4)
		return type_0xA0[code - 0xA0];
	if (code == 0xFF)
		return "Other";
	return out_of_spec;
}

static const char *dmi_port_type(u8 code)
{
	/* 7.9.3 */
	static const char *type[] = {
		"None", /* 0x00 */
		"Parallel Port XT/AT Compatible",
		"Parallel Port PS/2",
		"Parallel Port ECP",
		"Parallel Port EPP",
		"Parallel Port ECP/EPP",
		"Serial Port XT/AT Compatible",
		"Serial Port 16450 Compatible",
		"Serial Port 16550 Compatible",
		"Serial Port 16550A Compatible",
		"SCSI Port",
		"MIDI Port",
		"Joystick Port",
		"Keyboard Port",
		"Mouse Port",
		"SSA SCSI",
		"USB",
		"Firewire (IEEE P1394)",
		"PCMCIA Type I",
		"PCMCIA Type II",
		"PCMCIA Type III",
		"Cardbus",
		"Access Bus Port",
		"SCSI II",
		"SCSI Wide",
		"PC-98",
		"PC-98 Hireso",
		"PC-H98",
		"Video Port",
		"Audio Port",
		"Modem Port",
		"Network Port",
		"SATA",
		"SAS" /* 0x21 */
	};
	static const char *type_0xA0[] = {
		"8251 Compatible", /* 0xA0 */
		"8251 FIFO Compatible" /* 0xA1 */
	};

	if (code <= 0x21)
		return type[code];
	if (code >= 0xA0 && code <= 0xA1)
		return type_0xA0[code - 0xA0];
	if (code == 0xFF)
		return "Other";
	return out_of_spec;
}

/*
 * 7.10 System Slots (Type 9)
 */

static const char *dmi_slot_type(u8 code)
{
	/* 7.10.1 */
	static const char *type[] = {
		"Other", /* 0x01 */
		"Unknown",
		"ISA",
		"MCA",
		"EISA",
		"PCI",
		"PC Card (PCMCIA)",
		"VLB",
		"Proprietary",
		"Processor Card",
		"Proprietary Memory Card",
		"I/O Riser Card",
		"NuBus",
		"PCI-66",
		"AGP",
		"AGP 2x",
		"AGP 4x",
		"PCI-X",
		"AGP 8x",
		"M.2 Socket 1-DP",
		"M.2 Socket 1-SD",
		"M.2 Socket 2",
		"M.2 Socket 3",
		"MXM Type I",
		"MXM Type II",
		"MXM Type III",
		"MXM Type III-HE",
		"MXM Type IV",
		"MXM 3.0 Type A",
		"MXM 3.0 Type B",
		"PCI Express 2 SFF-8639",
		"PCI Express 3 SFF-8639",
		"PCI Express Mini 52-pin with bottom-side keep-outs",
		"PCI Express Mini 52-pin without bottom-side keep-outs",
		"PCI Express Mini 76-pin" /* 0x23 */
	};
	static const char *type_0xA0[] = {
		"PC-98/C20", /* 0xA0 */
		"PC-98/C24",
		"PC-98/E",
		"PC-98/Local Bus",
		"PC-98/Card",
		"PCI Express",
		"PCI Express x1",
		"PCI Express x2",
		"PCI Express x4",
		"PCI Express x8",
		"PCI Express x16",
		"PCI Express 2",
		"PCI Express 2 x1",
		"PCI Express 2 x2",
		"PCI Express 2 x4",
		"PCI Express 2 x8",
		"PCI Express 2 x16",
		"PCI Express 3",
		"PCI Express 3 x1",
		"PCI Express 3 x2",
		"PCI Express 3 x4",
		"PCI Express 3 x8",
		"PCI Express 3 x16" /* 0xB6 */
	};
	/*
	 * Note to developers: when adding entries to these lists, check if
	 * function dmi_slot_id below needs updating too.
	 */

	if (code >= 0x01 && code <= 0x23)
		return type[code - 0x01];
	if (code >= 0xA0 && code <= 0xB6)
		return type_0xA0[code - 0xA0];
	return out_of_spec;
}

static const char *dmi_slot_bus_width(u8 code)
{
	/* 7.10.2 */
	static const char *width[] = {
		"", /* 0x01, "Other" */
		"", /* "Unknown" */
		"8-bit ",
		"16-bit ",
		"32-bit ",
		"64-bit ",
		"128-bit ",
		"x1 ",
		"x2 ",
		"x4 ",
		"x8 ",
		"x12 ",
		"x16 ",
		"x32 " /* 0x0E */
	};

	if (code >= 0x01 && code <= 0x0E)
		return width[code - 0x01];
	return out_of_spec;
}

static const char *dmi_slot_current_usage(u8 code)
{
	/* 7.10.3 */
	static const char *usage[] = {
		"Other", /* 0x01 */
		"Unknown",
		"Available",
		"In Use" /* 0x04 */
	};

	if (code >= 0x01 && code <= 0x04)
		return usage[code - 0x01];
	return out_of_spec;
}

static const char *dmi_slot_length(u8 code)
{
	/* 7.1O.4 */
	static const char *length[] = {
		"Other", /* 0x01 */
		"Unknown",
		"Short",
		"Long" /* 0x04 */
	};

	if (code >= 0x01 && code <= 0x04)
		return length[code - 0x01];
	return out_of_spec;
}

static void dmi_slot_id(u8 code1, u8 code2, u8 type, const char *prefix)
{
	/* 7.10.5 */
	switch (type)
	{
		case 0x04: /* MCA */
			printf("%sID: %u\n", prefix, code1);
			break;
		case 0x05: /* EISA */
			printf("%sID: %u\n", prefix, code1);
			break;
		case 0x06: /* PCI */
		case 0x0E: /* PCI */
		case 0x0F: /* AGP */
		case 0x10: /* AGP */
		case 0x11: /* AGP */
		case 0x12: /* PCI-X */
		case 0x13: /* AGP */
		case 0x1F: /* PCI Express 2 */
		case 0x20: /* PCI Express 3 */
		case 0x21: /* PCI Express Mini */
		case 0x22: /* PCI Express Mini */
		case 0x23: /* PCI Express Mini */
		case 0xA5: /* PCI Express */
		case 0xA6: /* PCI Express */
		case 0xA7: /* PCI Express */
		case 0xA8: /* PCI Express */
		case 0xA9: /* PCI Express */
		case 0xAA: /* PCI Express */
		case 0xAB: /* PCI Express 2 */
		case 0xAC: /* PCI Express 2 */
		case 0xAD: /* PCI Express 2 */
		case 0xAE: /* PCI Express 2 */
		case 0xAF: /* PCI Express 2 */
		case 0xB0: /* PCI Express 2 */
		case 0xB1: /* PCI Express 3 */
		case 0xB2: /* PCI Express 3 */
		case 0xB3: /* PCI Express 3 */
		case 0xB4: /* PCI Express 3 */
		case 0xB5: /* PCI Express 3 */
		case 0xB6: /* PCI Express 3 */
			printf("%sID: %u\n", prefix, code1);
			break;
		case 0x07: /* PCMCIA */
			printf("%sID: Adapter %u, Socket %u\n", prefix, code1, code2);
			break;
	}
}

static void dmi_slot_characteristics(u8 code1, u8 code2, const char *prefix)
{
	/* 7.10.6 */
	static const char *characteristics1[] = {
		"5.0 V is provided", /* 1 */
		"3.3 V is provided",
		"Opening is shared",
		"PC Card-16 is supported",
		"Cardbus is supported",
		"Zoom Video is supported",
		"Modem ring resume is supported" /* 7 */
	};
	/* 7.10.7 */
	static const char *characteristics2[] = {
		"PME signal is supported", /* 0 */
		"Hot-plug devices are supported",
		"SMBus signal is supported" /* 2 */
	};

	if (code1 & (1 << 0))
		printf(" Unknown\n");
	else if ((code1 & 0xFE) == 0 && (code2 & 0x07) == 0)
		printf(" None\n");
	else
	{
		int i;

		printf("\n");
		for (i = 1; i <= 7; i++)
			if (code1 & (1 << i))
				printf("%s%s\n", prefix, characteristics1[i - 1]);
		for (i = 0; i <= 2; i++)
			if (code2 & (1 << i))
				printf("%s%s\n", prefix, characteristics2[i]);
	}
}

static void dmi_slot_segment_bus_func(u16 code1, u8 code2, u8 code3, const char *prefix)
{
	/* 7.10.8 */
	if (!(code1 == 0xFFFF && code2 == 0xFF && code3 == 0xFF))
		printf("%sBus Address: %04x:%02x:%02x.%x\n",
		       prefix, code1, code2, code3 >> 3, code3 & 0x7);
}

/*
 * 7.11 On Board Devices Information (Type 10)
 */

static const char *dmi_on_board_devices_type(u8 code)
{
	/* 7.11.1 and 7.42.2 */
	static const char *type[] = {
		"Other", /* 0x01 */
		"Unknown",
		"Video",
		"SCSI Controller",
		"Ethernet",
		"Token Ring",
		"Sound",
		"PATA Controller",
		"SATA Controller",
		"SAS Controller" /* 0x0A */
	};

	if (code >= 0x01 && code <= 0x0A)
		return type[code - 0x01];
	return out_of_spec;
}

static void dmi_on_board_devices(const struct dmi_header *h, const char *prefix)
{
	u8 *p = h->data + 4;
	u8 count = (h->length - 0x04) / 2;
	int i;

	for (i = 0; i < count; i++)
	{
		if (count == 1)
			printf("%sOn Board Device Information\n",
				prefix);
		else
			printf("%sOn Board Device %d Information\n",
				prefix, i + 1);
		printf("%s\tType: %s\n",
			prefix, dmi_on_board_devices_type(p[2 * i] & 0x7F));
		printf("%s\tStatus: %s\n",
			prefix, p[2 * i] & 0x80 ? "Enabled" : "Disabled");
		printf("%s\tDescription: %s\n",
			prefix, dmi_string(h, p[2 * i + 1]));
	}
}

/*
 * 7.12 OEM Strings (Type 11)
 */

static void dmi_oem_strings(const struct dmi_header *h, const char *prefix)
{
	u8 *p = h->data + 4;
	u8 count = p[0x00];
	int i;

	for (i = 1; i <= count; i++)
		printf("%sString %d: %s\n",
			prefix, i, dmi_string(h, i));
}

/*
 * 7.13 System Configuration Options (Type 12)
 */

static void dmi_system_configuration_options(const struct dmi_header *h, const char *prefix)
{
	u8 *p = h->data + 4;
	u8 count = p[0x00];
	int i;

	for (i = 1; i <= count; i++)
		printf("%sOption %d: %s\n",
			prefix, i, dmi_string(h, i));
}

/*
 * 7.14 BIOS Language Information (Type 13)
 */

static void dmi_bios_languages(const struct dmi_header *h, const char *prefix)
{
	u8 *p = h->data + 4;
	u8 count = p[0x00];
	int i;

	for (i = 1; i <= count; i++)
		printf("%s%s\n",
			prefix, dmi_string(h, i));
}

static const char *dmi_bios_language_format(u8 code)
{
	if (code & 0x01)
		return "Abbreviated";
	else
		return "Long";
}

/*
 * 7.15 Group Associations (Type 14)
 */

static void dmi_group_associations_items(u8 count, const u8 *p, const char *prefix)
{
	int i;

	for (i = 0; i < count; i++)
	{
		printf("%s0x%04X (%s)\n",
			prefix, WORD(p + 3 * i + 1),
			dmi_smbios_structure_type(p[3 * i]));
	}
}

/*
 * 7.16 System Event Log (Type 15)
 */

static const char *dmi_event_log_method(u8 code)
{
	static const char *method[] = {
		"Indexed I/O, one 8-bit index port, one 8-bit data port", /* 0x00 */
		"Indexed I/O, two 8-bit index ports, one 8-bit data port",
		"Indexed I/O, one 16-bit index port, one 8-bit data port",
		"Memory-mapped physical 32-bit address",
		"General-purpose non-volatile data functions" /* 0x04 */
	};

	if (code <= 0x04)
		return method[code];
	if (code >= 0x80)
		return "OEM-specific";
	return out_of_spec;
}

static void dmi_event_log_status(u8 code)
{
	static const char *valid[] = {
		"Invalid", /* 0 */
		"Valid" /* 1 */
	};
	static const char *full[] = {
		"Not Full", /* 0 */
		"Full" /* 1 */
	};

	printf(" %s, %s",
		valid[(code >> 0) & 1], full[(code >> 1) & 1]);
}

static void dmi_event_log_address(u8 method, const u8 *p)
{
	/* 7.16.3 */
	switch (method)
	{
		case 0x00:
		case 0x01:
		case 0x02:
			printf(" Index 0x%04X, Data 0x%04X", WORD(p), WORD(p + 2));
			break;
		case 0x03:
			printf(" 0x%08X", DWORD(p));
			break;
		case 0x04:
			printf(" 0x%04X", WORD(p));
			break;
		default:
			printf(" Unknown");
	}
}

static const char *dmi_event_log_header_type(u8 code)
{
	static const char *type[] = {
		"No Header", /* 0x00 */
		"Type 1" /* 0x01 */
	};

	if (code <= 0x01)
		return type[code];
	if (code >= 0x80)
		return "OEM-specific";
	return out_of_spec;
}

static const char *dmi_event_log_descriptor_type(u8 code)
{
	/* 7.16.6.1 */
	static const char *type[] = {
		NULL, /* 0x00 */
		"Single-bit ECC memory error",
		"Multi-bit ECC memory error",
		"Parity memory error",
		"Bus timeout",
		"I/O channel block",
		"Software NMI",
		"POST memory resize",
		"POST error",
		"PCI parity error",
		"PCI system error",
		"CPU failure",
		"EISA failsafe timer timeout",
		"Correctable memory log disabled",
		"Logging disabled",
		NULL, /* 0x0F */
		"System limit exceeded",
		"Asynchronous hardware timer expired",
		"System configuration information",
		"Hard disk information",
		"System reconfigured",
		"Uncorrectable CPU-complex error",
		"Log area reset/cleared",
		"System boot" /* 0x17 */
	};

	if (code <= 0x17 && type[code] != NULL)
		return type[code];
	if (code >= 0x80 && code <= 0xFE)
		return "OEM-specific";
	if (code == 0xFF)
		return "End of log";
	return out_of_spec;
}

static const char *dmi_event_log_descriptor_format(u8 code)
{
	/* 7.16.6.2 */
	static const char *format[] = {
		"None", /* 0x00 */
		"Handle",
		"Multiple-event",
		"Multiple-event handle",
		"POST results bitmap",
		"System management",
		"Multiple-event system management" /* 0x06 */
	};

	if (code <= 0x06)
		return format[code];
	if (code >= 0x80)
		return "OEM-specific";
	return out_of_spec;
}

static void dmi_event_log_descriptors(u8 count, u8 len, const u8 *p, const char *prefix)
{
	/* 7.16.1 */
	int i;

	for (i = 0; i < count; i++)
	{
		if (len >= 0x02)
		{
			printf("%sDescriptor %u: %s\n",
				prefix, i + 1, dmi_event_log_descriptor_type(p[i * len]));
			printf("%sData Format %u: %s\n",
				prefix, i + 1, dmi_event_log_descriptor_format(p[i * len + 1]));
		}
	}
}

/*
 * 7.17 Physical Memory Array (Type 16)
 */

static const char *dmi_memory_array_location(u8 code)
{
	/* 7.17.1 */
	static const char *location[] = {
		"Other", /* 0x01 */
		"Unknown",
		"System Board Or Motherboard",
		"ISA Add-on Card",
		"EISA Add-on Card",
		"PCI Add-on Card",
		"MCA Add-on Card",
		"PCMCIA Add-on Card",
		"Proprietary Add-on Card",
		"NuBus" /* 0x0A */
	};
	static const char *location_0xA0[] = {
		"PC-98/C20 Add-on Card", /* 0xA0 */
		"PC-98/C24 Add-on Card",
		"PC-98/E Add-on Card",
		"PC-98/Local Bus Add-on Card" /* 0xA3 */
	};

	if (code >= 0x01 && code <= 0x0A)
		return location[code - 0x01];
	if (code >= 0xA0 && code <= 0xA3)
		return location_0xA0[code - 0xA0];
	return out_of_spec;
}

static const char *dmi_memory_array_use(u8 code)
{
	/* 7.17.2 */
	static const char *use[] = {
		"Other", /* 0x01 */
		"Unknown",
		"System Memory",
		"Video Memory",
		"Flash Memory",
		"Non-volatile RAM",
		"Cache Memory" /* 0x07 */
	};

	if (code >= 0x01 && code <= 0x07)
		return use[code - 0x01];
	return out_of_spec;
}

static const char *dmi_memory_array_ec_type(u8 code)
{
	/* 7.17.3 */
	static const char *type[] = {
		"Other", /* 0x01 */
		"Unknown",
		"None",
		"Parity",
		"Single-bit ECC",
		"Multi-bit ECC",
		"CRC" /* 0x07 */
	};

	if (code >= 0x01 && code <= 0x07)
		return type[code - 0x01];
	return out_of_spec;
}

static void dmi_memory_array_error_handle(u16 code)
{
	if (code == 0xFFFE)
		printf(" Not Provided");
	else if (code == 0xFFFF)
		printf(" No Error");
	else
		printf(" 0x%04X", code);
}

/*
 * 7.18 Memory Device (Type 17)
 */

static void dmi_memory_device_width(u16 code)
{
	/*
	 * If no memory module is present, width may be 0
	 */
	if (code == 0xFFFF || code == 0)
		printf(" Unknown");
	else
		printf(" %u bits", code);
}

static void dmi_memory_device_size(u16 code)
{
	if (code == 0)
		printf(" No Module Installed");
	else if (code == 0xFFFF)
		printf(" Unknown");
	else
	{
		if (code & 0x8000)
			printf(" %u kB", code & 0x7FFF);
		else
			printf(" %u MB", code);
	}
}

static void dmi_memory_device_extended_size(u32 code)
{
	code &= 0x7FFFFFFFUL;

	/*
	 * Use the greatest unit for which the exact value can be displayed
	 * as an integer without rounding
	 */
	if (code & 0x3FFUL)
		printf(" %lu MB", (unsigned long)code);
	else if (code & 0xFFC00UL)
		printf(" %lu GB", (unsigned long)code >> 10);
	else
		printf(" %lu TB", (unsigned long)code >> 20);
}

static void dmi_memory_voltage_value(u16 code)
{
	if (code == 0)
		printf(" Unknown");
	else
		printf(code % 100 ? " %g V" : " %.1f V", (float)code / 1000);
}

static const char *dmi_memory_device_form_factor(u8 code)
{
	/* 7.18.1 */
	static const char *form_factor[] = {
		"Other", /* 0x01 */
		"Unknown",
		"SIMM",
		"SIP",
		"Chip",
		"DIP",
		"ZIP",
		"Proprietary Card",
		"DIMM",
		"TSOP",
		"Row Of Chips",
		"RIMM",
		"SODIMM",
		"SRIMM",
		"FB-DIMM" /* 0x0F */
	};

	if (code >= 0x01 && code <= 0x0F)
		return form_factor[code - 0x01];
	return out_of_spec;
}

static void dmi_memory_device_set(u8 code)
{
	if (code == 0)
		printf(" None");
	else if (code == 0xFF)
		printf(" Unknown");
	else
		printf(" %u", code);
}

static const char *dmi_memory_device_type(u8 code)
{
	/* 7.18.2 */
	static const char *type[] = {
		"Other", /* 0x01 */
		"Unknown",
		"DRAM",
		"EDRAM",
		"VRAM",
		"SRAM",
		"RAM",
		"ROM",
		"Flash",
		"EEPROM",
		"FEPROM",
		"EPROM",
		"CDRAM",
		"3DRAM",
		"SDRAM",
		"SGRAM",
		"RDRAM",
		"DDR",
		"DDR2",
		"DDR2 FB-DIMM",
		"Reserved",
		"Reserved",
		"Reserved",
		"DDR3",
		"FBD2",
		"DDR4",
		"LPDDR",
		"LPDDR2",
		"LPDDR3",
		"LPDDR4" /* 0x1E */
	};

	if (code >= 0x01 && code <= 0x1E)
		return type[code - 0x01];
	return out_of_spec;
}

static void dmi_memory_device_type_detail(u16 code)
{
	/* 7.18.3 */
	static const char *detail[] = {
		"Other", /* 1 */
		"Unknown",
		"Fast-paged",
		"Static Column",
		"Pseudo-static",
		"RAMBus",
		"Synchronous",
		"CMOS",
		"EDO",
		"Window DRAM",
		"Cache DRAM",
		"Non-Volatile",
		"Registered (Buffered)",
		"Unbuffered (Unregistered)",
		"LRDIMM"  /* 15 */
	};

	if ((code & 0xFFFE) == 0)
		printf(" None");
	else
	{
		int i;

		for (i = 1; i <= 15; i++)
			if (code & (1 << i))
				printf(" %s", detail[i - 1]);
	}
}

static void dmi_memory_device_speed(u16 code)
{
	if (code == 0)
		printf(" Unknown");
	else
		printf(" %u MT/s", code);
}

/*
 * 7.19 32-bit Memory Error Information (Type 18)
 */

static const char *dmi_memory_error_type(u8 code)
{
	/* 7.19.1 */
	static const char *type[] = {
		"Other", /* 0x01 */
		"Unknown",
		"OK",
		"Bad Read",
		"Parity Error",
		"Single-bit Error",
		"Double-bit Error",
		"Multi-bit Error",
		"Nibble Error",
		"Checksum Error",
		"CRC Error",
		"Corrected Single-bit Error",
		"Corrected Error",
		"Uncorrectable Error" /* 0x0E */
	};

	if (code >= 0x01 && code <= 0x0E)
		return type[code - 0x01];
	return out_of_spec;
}

static const char *dmi_memory_error_granularity(u8 code)
{
	/* 7.19.2 */
	static const char *granularity[] = {
		"Other", /* 0x01 */
		"Unknown",
		"Device Level",
		"Memory Partition Level" /* 0x04 */
	};

	if (code >= 0x01 && code <= 0x04)
		return granularity[code - 0x01];
	return out_of_spec;
}

static const char *dmi_memory_error_operation(u8 code)
{
	/* 7.19.3 */
	static const char *operation[] = {
		"Other", /* 0x01 */
		"Unknown",
		"Read",
		"Write",
		"Partial Write" /* 0x05 */
	};

	if (code >= 0x01 && code <= 0x05)
		return operation[code - 0x01];
	return out_of_spec;
}

static void dmi_memory_error_syndrome(u32 code)
{
	if (code == 0x00000000)
		printf(" Unknown");
	else
		printf(" 0x%08X", code);
}

static void dmi_32bit_memory_error_address(u32 code)
{
	if (code == 0x80000000)
		printf(" Unknown");
	else
		printf(" 0x%08X", code);
}

/*
 * 7.20 Memory Array Mapped Address (Type 19)
 */

static void dmi_mapped_address_size(u32 code)
{
	if (code == 0)
		printf(" Invalid");
	else
	{
		u64 size;

		size.h = 0;
		size.l = code;
		dmi_print_memory_size(size, 1);
	}
}

static void dmi_mapped_address_extended_size(u64 start, u64 end)
{
	if (start.h == end.h && start.l == end.l)
		printf(" Invalid");
	else
		dmi_print_memory_size(u64_range(start, end), 0);
}

/*
 * 7.21 Memory Device Mapped Address (Type 20)
 */

static void dmi_mapped_address_row_position(u8 code)
{
	if (code == 0)
		printf(" %s", out_of_spec);
	else if (code == 0xFF)
		printf(" Unknown");
	else
		printf(" %u", code);
}

static void dmi_mapped_address_interleave_position(u8 code, const char *prefix)
{
	if (code != 0)
	{
		printf("%sInterleave Position:", prefix);
		if (code == 0xFF)
			printf(" Unknown");
		else
			printf(" %u", code);
		printf("\n");
	}
}

static void dmi_mapped_address_interleaved_data_depth(u8 code, const char *prefix)
{
	if (code != 0)
	{
		printf("%sInterleaved Data Depth:", prefix);
		if (code == 0xFF)
			printf(" Unknown");
		else
			printf(" %u", code);
		printf("\n");
	}
}

/*
 * 7.22 Built-in Pointing Device (Type 21)
 */

static const char *dmi_pointing_device_type(u8 code)
{
	/* 7.22.1 */
	static const char *type[] = {
		"Other", /* 0x01 */
		"Unknown",
		"Mouse",
		"Track Ball",
		"Track Point",
		"Glide Point",
		"Touch Pad",
		"Touch Screen",
		"Optical Sensor" /* 0x09 */
	};

	if (code >= 0x01 && code <= 0x09)
		return type[code - 0x01];
	return out_of_spec;
}

static const char *dmi_pointing_device_interface(u8 code)
{
	/* 7.22.2 */
	static const char *interface[] = {
		"Other", /* 0x01 */
		"Unknown",
		"Serial",
		"PS/2",
		"Infrared",
		"HIP-HIL",
		"Bus Mouse",
		"ADB (Apple Desktop Bus)" /* 0x08 */
	};
	static const char *interface_0xA0[] = {
		"Bus Mouse DB-9", /* 0xA0 */
		"Bus Mouse Micro DIN",
		"USB" /* 0xA2 */
	};

	if (code >= 0x01 && code <= 0x08)
		return interface[code - 0x01];
	if (code >= 0xA0 && code <= 0xA2)
		return interface_0xA0[code - 0xA0];
	return out_of_spec;
}

/*
 * 7.23 Portable Battery (Type 22)
 */

static const char *dmi_battery_chemistry(u8 code)
{
	/* 7.23.1 */
	static const char *chemistry[] = {
		"Other", /* 0x01 */
		"Unknown",
		"Lead Acid",
		"Nickel Cadmium",
		"Nickel Metal Hydride",
		"Lithium Ion",
		"Zinc Air",
		"Lithium Polymer" /* 0x08 */
	};

	if (code >= 0x01 && code <= 0x08)
		return chemistry[code - 0x01];
	return out_of_spec;
}

static void dmi_battery_capacity(u16 code, u8 multiplier)
{
	if (code == 0)
		printf(" Unknown");
	else
		printf(" %u mWh", code * multiplier);
}

static void dmi_battery_voltage(u16 code)
{
	if (code == 0)
		printf(" Unknown");
	else
		printf(" %u mV", code);
}

static void dmi_battery_maximum_error(u8 code)
{
	if (code == 0xFF)
		printf(" Unknown");
	else
		printf(" %u%%", code);
}

/*
 * 7.24 System Reset (Type 23)
 */

/* code is assumed to be a 2-bit value */
static const char *dmi_system_reset_boot_option(u8 code)
{
	static const char *option[] = {
		out_of_spec, /* 0x0 */
		"Operating System", /* 0x1 */
		"System Utilities",
		"Do Not Reboot" /* 0x3 */
	};

	return option[code];
}

static void dmi_system_reset_count(u16 code)
{
	if (code == 0xFFFF)
		printf(" Unknown");
	else
		printf(" %u", code);
}

static void dmi_system_reset_timer(u16 code)
{
	if (code == 0xFFFF)
		printf(" Unknown");
	else
		printf(" %u min", code);
}

/*
 * 7.25 Hardware Security (Type 24)
 */

static const char *dmi_hardware_security_status(u8 code)
{
	static const char *status[] = {
		"Disabled", /* 0x00 */
		"Enabled",
		"Not Implemented",
		"Unknown" /* 0x03 */
	};

	return status[code];
}

/*
 * 7.26 System Power Controls (Type 25)
 */

static void dmi_power_controls_power_on(const u8 *p)
{
	/* 7.26.1 */
	if (dmi_bcd_range(p[0], 0x01, 0x12))
		printf(" %02X", p[0]);
	else
		printf(" *");
	if (dmi_bcd_range(p[1], 0x01, 0x31))
		printf("-%02X", p[1]);
	else
		printf("-*");
	if (dmi_bcd_range(p[2], 0x00, 0x23))
		printf(" %02X", p[2]);
	else
		printf(" *");
	if (dmi_bcd_range(p[3], 0x00, 0x59))
		printf(":%02X", p[3]);
	else
		printf(":*");
	if (dmi_bcd_range(p[4], 0x00, 0x59))
		printf(":%02X", p[4]);
	else
		printf(":*");
}

/*
 * 7.27 Voltage Probe (Type 26)
 */

static const char *dmi_voltage_probe_location(u8 code)
{
	/* 7.27.1 */
	static const char *location[] = {
		"Other", /* 0x01 */
		"Unknown",
		"Processor",
		"Disk",
		"Peripheral Bay",
		"System Management Module",
		"Motherboard",
		"Memory Module",
		"Processor Module",
		"Power Unit",
		"Add-in Card" /* 0x0B */
	};

	if (code >= 0x01 && code <= 0x0B)
		return location[code - 0x01];
	return out_of_spec;
}

static const char *dmi_probe_status(u8 code)
{
	/* 7.27.1 */
	static const char *status[] = {
		"Other", /* 0x01 */
		"Unknown",
		"OK",
		"Non-critical",
		"Critical",
		"Non-recoverable" /* 0x06 */
	};

	if (code >= 0x01 && code <= 0x06)
		return status[code - 0x01];
	return out_of_spec;
}

static void dmi_voltage_probe_value(u16 code)
{
	if (code == 0x8000)
		printf(" Unknown");
	else
		printf(" %.3f V", (float)(i16)code / 1000);
}

static void dmi_voltage_probe_resolution(u16 code)
{
	if (code == 0x8000)
		printf(" Unknown");
	else
		printf(" %.1f mV", (float)code / 10);
}

static void dmi_probe_accuracy(u16 code)
{
	if (code == 0x8000)
		printf(" Unknown");
	else
		printf(" %.2f%%", (float)code / 100);
}

/*
 * 7.28 Cooling Device (Type 27)
 */

static const char *dmi_cooling_device_type(u8 code)
{
	/* 7.28.1 */
	static const char *type[] = {
		"Other", /* 0x01 */
		"Unknown",
		"Fan",
		"Centrifugal Blower",
		"Chip Fan",
		"Cabinet Fan",
		"Power Supply Fan",
		"Heat Pipe",
		"Integrated Refrigeration" /* 0x09 */
	};
	static const char *type_0x10[] = {
		"Active Cooling", /* 0x10 */
		"Passive Cooling" /* 0x11 */
	};

	if (code >= 0x01 && code <= 0x09)
		return type[code - 0x01];
	if (code >= 0x10 && code <= 0x11)
		return type_0x10[code - 0x10];
	return out_of_spec;
}

static void dmi_cooling_device_speed(u16 code)
{
	if (code == 0x8000)
		printf(" Unknown Or Non-rotating");
	else
		printf(" %u rpm", code);
}

/*
 * 7.29 Temperature Probe (Type 28)
 */

static const char *dmi_temperature_probe_location(u8 code)
{
	/* 7.29.1 */
	static const char *location[] = {
		"Other", /* 0x01 */
		"Unknown",
		"Processor",
		"Disk",
		"Peripheral Bay",
		"System Management Module",
		"Motherboard",
		"Memory Module",
		"Processor Module",
		"Power Unit",
		"Add-in Card",
		"Front Panel Board",
		"Back Panel Board",
		"Power System Board",
		"Drive Back Plane" /* 0x0F */
	};

	if (code >= 0x01 && code <= 0x0F)
		return location[code - 0x01];
	return out_of_spec;
}

static void dmi_temperature_probe_value(u16 code)
{
	if (code == 0x8000)
		printf(" Unknown");
	else
		printf(" %.1f deg C", (float)(i16)code / 10);
}

static void dmi_temperature_probe_resolution(u16 code)
{
	if (code == 0x8000)
		printf(" Unknown");
	else
		printf(" %.3f deg C", (float)code / 1000);
}

/*
 * 7.30 Electrical Current Probe (Type 29)
 */

static void dmi_current_probe_value(u16 code)
{
	if (code == 0x8000)
		printf(" Unknown");
	else
		printf(" %.3f A", (float)(i16)code / 1000);
}

static void dmi_current_probe_resolution(u16 code)
{
	if (code == 0x8000)
		printf(" Unknown");
	else
		printf(" %.1f mA", (float)code / 10);
}

/*
 * 7.33 System Boot Information (Type 32)
 */

static const char *dmi_system_boot_status(u8 code)
{
	static const char *status[] = {
		"No errors detected", /* 0 */
		"No bootable media",
		"Operating system failed to load",
		"Firmware-detected hardware failure",
		"Operating system-detected hardware failure",
		"User-requested boot",
		"System security violation",
		"Previously-requested image",
		"System watchdog timer expired" /* 8 */
	};

	if (code <= 8)
		return status[code];
	if (code >= 128 && code <= 191)
		return "OEM-specific";
	if (code >= 192)
		return "Product-specific";
	return out_of_spec;
}

/*
 * 7.34 64-bit Memory Error Information (Type 33)
 */

static void dmi_64bit_memory_error_address(u64 code)
{
	if (code.h == 0x80000000 && code.l == 0x00000000)
		printf(" Unknown");
	else
		printf(" 0x%08X%08X", code.h, code.l);
}

/*
 * 7.35 Management Device (Type 34)
 */

/*
 * Several boards have a bug where some type 34 structures have their
 * length incorrectly set to 0x10 instead of 0x0B. This causes the
 * first 5 characters of the device name to be trimmed. It's easy to
 * check and fix, so do it, but warn.
 */
static void dmi_fixup_type_34(struct dmi_header *h, int display)
{
	u8 *p = h->data;

 	/* Make sure the hidden data is ASCII only */
	if (h->length == 0x10
	 && is_printable(p + 0x0B, 0x10 - 0x0B))
	{
		if (!(opt.flags & FLAG_QUIET) && display)
			fprintf(stderr,
				"Invalid entry length (%u). Fixed up to %u.\n",
				0x10, 0x0B);
		h->length = 0x0B;
	}
}

static const char *dmi_management_device_type(u8 code)
{
	/* 7.35.1 */
	static const char *type[] = {
		"Other", /* 0x01 */
		"Unknown",
		"LM75",
		"LM78",
		"LM79",
		"LM80",
		"LM81",
		"ADM9240",
		"DS1780",
		"MAX1617",
		"GL518SM",
		"W83781D",
		"HT82H791" /* 0x0D */
	};

	if (code >= 0x01 && code <= 0x0D)
		return type[code - 0x01];
	return out_of_spec;
}

static const char *dmi_management_device_address_type(u8 code)
{
	/* 7.35.2 */
	static const char *type[] = {
		"Other", /* 0x01 */
		"Unknown",
		"I/O Port",
		"Memory",
		"SMBus" /* 0x05 */
	};

	if (code >= 0x01 && code <= 0x05)
		return type[code - 0x01];
	return out_of_spec;
}

/*
 * 7.38 Memory Channel (Type 37)
 */

static const char *dmi_memory_channel_type(u8 code)
{
	/* 7.38.1 */
	static const char *type[] = {
		"Other", /* 0x01 */
		"Unknown",
		"RamBus",
		"SyncLink" /* 0x04 */
	};

	if (code >= 0x01 && code <= 0x04)
		return type[code - 0x01];
	return out_of_spec;
}

static void dmi_memory_channel_devices(u8 count, const u8 *p, const char *prefix)
{
	int i;

	for (i = 1; i <= count; i++)
	{
		printf("%sDevice %u Load: %u\n",
			prefix, i, p[3 * i]);
		if (!(opt.flags & FLAG_QUIET))
			printf("%sDevice %u Handle: 0x%04X\n",
				prefix, i, WORD(p + 3 * i + 1));
	}
}

/*
 * 7.39 IPMI Device Information (Type 38)
 */

static const char *dmi_ipmi_interface_type(u8 code)
{
	/* 7.39.1 and IPMI 2.0, appendix C1, table C1-2 */
	static const char *type[] = {
		"Unknown", /* 0x00 */
		"KCS (Keyboard Control Style)",
		"SMIC (Server Management Interface Chip)",
		"BT (Block Transfer)",
		"SSIF (SMBus System Interface)" /* 0x04 */
	};

	if (code <= 0x04)
		return type[code];
	return out_of_spec;
}

static void dmi_ipmi_base_address(u8 type, const u8 *p, u8 lsb)
{
	if (type == 0x04) /* SSIF */
	{
		printf("0x%02X (SMBus)", (*p) >> 1);
	}
	else
	{
		u64 address = QWORD(p);
		printf("0x%08X%08X (%s)", address.h, (address.l & ~1) | lsb,
			address.l & 1 ? "I/O" : "Memory-mapped");
	}
}

/* code is assumed to be a 2-bit value */
static const char *dmi_ipmi_register_spacing(u8 code)
{
	/* IPMI 2.0, appendix C1, table C1-1 */
	static const char *spacing[] = {
		"Successive Byte Boundaries", /* 0x00 */
		"32-bit Boundaries",
		"16-byte Boundaries", /* 0x02 */
		out_of_spec /* 0x03 */
	};

	return spacing[code];
}

/*
 * 7.40 System Power Supply (Type 39)
 */

static void dmi_power_supply_power(u16 code)
{
	if (code == 0x8000)
		printf(" Unknown");
	else
		printf(" %u W", (unsigned int)code);
}

static const char *dmi_power_supply_type(u8 code)
{
	/* 7.40.1 */
	static const char *type[] = {
		"Other", /* 0x01 */
		"Unknown",
		"Linear",
		"Switching",
		"Battery",
		"UPS",
		"Converter",
		"Regulator" /* 0x08 */
	};

	if (code >= 0x01 && code <= 0x08)
		return type[code - 0x01];
	return out_of_spec;
}

static const char *dmi_power_supply_status(u8 code)
{
	/* 7.40.1 */
	static const char *status[] = {
		"Other", /* 0x01 */
		"Unknown",
		"OK",
		"Non-critical",
		"Critical" /* 0x05 */
	};

	if (code >= 0x01 && code <= 0x05)
		return status[code - 0x01];
	return out_of_spec;
}

static const char *dmi_power_supply_range_switching(u8 code)
{
	/* 7.40.1 */
	static const char *switching[] = {
		"Other", /* 0x01 */
		"Unknown",
		"Manual",
		"Auto-switch",
		"Wide Range",
		"N/A" /* 0x06 */
	};

	if (code >= 0x01 && code <= 0x06)
		return switching[code - 0x01];
	return out_of_spec;
}

/*
 * 7.41 Additional Information (Type 40)
 *
 * Proper support of this entry type would require redesigning a large part of
 * the code, so I am waiting to see actual implementations of it to decide
 * whether it's worth the effort.
 */

static void dmi_additional_info(const struct dmi_header *h, const char *prefix)
{
	u8 *p = h->data + 4;
	u8 count = *p++;
	u8 length;
	int i, offset = 5;

	for (i = 0; i < count; i++)
	{
		printf("%sAdditional Information %d\n", prefix, i + 1);

		/* Check for short entries */
		if (h->length < offset + 1) break;
		length = p[0x00];
		if (length < 0x05 || h->length < offset + length) break;

		printf("%s\tReferenced Handle: 0x%04x\n",
			prefix, WORD(p + 0x01));
		printf("%s\tReferenced Offset: 0x%02x\n",
			prefix, p[0x03]);
		printf("%s\tString: %s\n",
			prefix, dmi_string(h, p[0x04]));

		printf("%s\tValue: ", prefix);
		switch (length - 0x05)
		{
			case 1:
				printf("0x%02x", p[0x05]);
				break;
			case 2:
				printf("0x%04x", WORD(p + 0x05));
				break;
			case 4:
				printf("0x%08x", DWORD(p + 0x05));
				break;
			default:
				printf("Unexpected size");
				break;
		}
		printf("\n");

		p += length;
		offset += length;
	}
}

/*
 * 7.43 Management Controller Host Interface (Type 42)
 */

static const char *dmi_management_controller_host_type(u8 code)
{
	/* DMTF DSP0239 (MCTP) version 1.1.0 */
	static const char *type[] = {
		"KCS: Keyboard Controller Style", /* 0x02 */
		"8250 UART Register Compatible",
		"16450 UART Register Compatible",
		"16550/16550A UART Register Compatible",
		"16650/16650A UART Register Compatible",
		"16750/16750A UART Register Compatible",
		"16850/16850A UART Register Compatible" /* 0x08 */
	};

	if (code >= 0x02 && code <= 0x08)
		return type[code - 0x02];
	if (code == 0xF0)
		return "OEM";
	return out_of_spec;
}

/*
 * 7.44 TPM Device (Type 43)
 */

static void dmi_tpm_vendor_id(const u8 *p)
{
	char vendor_id[5];
	int i;

	/* ASCII filtering */
	for (i = 0; i < 4 && p[i] != 0; i++)
	{
		if (p[i] < 32 || p[i] >= 127)
			vendor_id[i] = '.';
		else
			vendor_id[i] = p[i];
	}

	/* Terminate the string */
	vendor_id[i] = '\0';

	printf(" %s", vendor_id);
}

static void dmi_tpm_characteristics(u64 code, const char *prefix)
{
	/* 7.1.1 */
	static const char *characteristics[] = {
		"TPM Device characteristics not supported", /* 2 */
		"Family configurable via firmware update",
		"Family configurable via platform software support",
		"Family configurable via OEM proprietary mechanism" /* 5 */
	};
	int i;

	/*
	 * This isn't very clear what this bit is supposed to mean
	 */
	if (code.l & (1 << 2))
	{
		printf("%s%s\n",
			prefix, characteristics[0]);
		return;
	}

	for (i = 3; i <= 5; i++)
		if (code.l & (1 << i))
			printf("%s%s\n",
				prefix, characteristics[i - 2]);
}

/*
 * Main
 */

static void dmi_decode(const struct dmi_header *h, u16 ver)
{
	const u8 *data = h->data;

	/*
	 * Note: DMI types 37 and 42 are untested
	 */
	switch (h->type)
	{
		case 0: /* 7.1 BIOS Information */
			printf("BIOS Information\n");
			if (h->length < 0x12) break;
			printf("\tVendor: %s\n",
				dmi_string(h, data[0x04]));
			printf("\tVersion: %s\n",
				dmi_string(h, data[0x05]));
			printf("\tRelease Date: %s\n",
				dmi_string(h, data[0x08]));
			/*
			 * On IA-64, the BIOS base address will read 0 because
			 * there is no BIOS. Skip the base address and the
			 * runtime size in this case.
			 */
			if (WORD(data + 0x06) != 0)
			{
				printf("\tAddress: 0x%04X0\n",
					WORD(data + 0x06));
				printf("\tRuntime Size:");
				dmi_bios_runtime_size((0x10000 - WORD(data + 0x06)) << 4);
				printf("\n");
			}
			printf("\tROM Size:");
			dmi_bios_rom_size(data[0x09], h->length < 0x1A ? 16 : WORD(data + 0x18));
			printf("\n");
			printf("\tCharacteristics:\n");
			dmi_bios_characteristics(QWORD(data + 0x0A), "\t\t");
			if (h->length < 0x13) break;
			dmi_bios_characteristics_x1(data[0x12], "\t\t");
			if (h->length < 0x14) break;
			dmi_bios_characteristics_x2(data[0x13], "\t\t");
			if (h->length < 0x18) break;
			if (data[0x14] != 0xFF && data[0x15] != 0xFF)
				printf("\tBIOS Revision: %u.%u\n",
					data[0x14], data[0x15]);
			if (data[0x16] != 0xFF && data[0x17] != 0xFF)
				printf("\tFirmware Revision: %u.%u\n",
					data[0x16], data[0x17]);
			break;

		case 1: /* 7.2 System Information */
			printf("System Information\n");
			if (h->length < 0x08) break;
			printf("\tManufacturer: %s\n",
				dmi_string(h, data[0x04]));
			printf("\tProduct Name: %s\n",
				dmi_string(h, data[0x05]));
			printf("\tVersion: %s\n",
				dmi_string(h, data[0x06]));
			printf("\tSerial Number: %s\n",
				dmi_string(h, data[0x07]));
			if (h->length < 0x19) break;
			printf("\tUUID: ");
			dmi_system_uuid(data + 0x08, ver);
			printf("\n");
			printf("\tWake-up Type: %s\n",
				dmi_system_wake_up_type(data[0x18]));
			if (h->length < 0x1B) break;
			printf("\tSKU Number: %s\n",
				dmi_string(h, data[0x19]));
			printf("\tFamily: %s\n",
				dmi_string(h, data[0x1A]));
			break;

		case 2: /* 7.3 Base Board Information */
			printf("Base Board Information\n");
			if (h->length < 0x08) break;
			printf("\tManufacturer: %s\n",
				dmi_string(h, data[0x04]));
			printf("\tProduct Name: %s\n",
				dmi_string(h, data[0x05]));
			printf("\tVersion: %s\n",
				dmi_string(h, data[0x06]));
			printf("\tSerial Number: %s\n",
				dmi_string(h, data[0x07]));
			if (h->length < 0x09) break;
			printf("\tAsset Tag: %s\n",
				dmi_string(h, data[0x08]));
			if (h->length < 0x0A) break;
			printf("\tFeatures:");
			dmi_base_board_features(data[0x09], "\t\t");
			if (h->length < 0x0E) break;
			printf("\tLocation In Chassis: %s\n",
				dmi_string(h, data[0x0A]));
			if (!(opt.flags & FLAG_QUIET))
				printf("\tChassis Handle: 0x%04X\n",
					WORD(data + 0x0B));
			printf("\tType: %s\n",
				dmi_base_board_type(data[0x0D]));
			if (h->length < 0x0F) break;
			if (h->length < 0x0F + data[0x0E] * sizeof(u16)) break;
			if (!(opt.flags & FLAG_QUIET))
				dmi_base_board_handles(data[0x0E], data + 0x0F, "\t");
			break;

		case 3: /* 7.4 Chassis Information */
			printf("Chassis Information\n");
			if (h->length < 0x09) break;
			printf("\tManufacturer: %s\n",
				dmi_string(h, data[0x04]));
			printf("\tType: %s\n",
				dmi_chassis_type(data[0x05]));
			printf("\tLock: %s\n",
				dmi_chassis_lock(data[0x05] >> 7));
			printf("\tVersion: %s\n",
				dmi_string(h, data[0x06]));
			printf("\tSerial Number: %s\n",
				dmi_string(h, data[0x07]));
			printf("\tAsset Tag: %s\n",
				dmi_string(h, data[0x08]));
			if (h->length < 0x0D) break;
			printf("\tBoot-up State: %s\n",
				dmi_chassis_state(data[0x09]));
			printf("\tPower Supply State: %s\n",
				dmi_chassis_state(data[0x0A]));
			printf("\tThermal State: %s\n",
				dmi_chassis_state(data[0x0B]));
			printf("\tSecurity Status: %s\n",
				dmi_chassis_security_status(data[0x0C]));
			if (h->length < 0x11) break;
			printf("\tOEM Information: 0x%08X\n",
				DWORD(data + 0x0D));
			if (h->length < 0x13) break;
			printf("\tHeight:");
			dmi_chassis_height(data[0x11]);
			printf("\n");
			printf("\tNumber Of Power Cords:");
			dmi_chassis_power_cords(data[0x12]);
			printf("\n");
			if (h->length < 0x15) break;
			if (h->length < 0x15 + data[0x13] * data[0x14]) break;
			dmi_chassis_elements(data[0x13], data[0x14], data + 0x15, "\t");
			if (h->length < 0x16 + data[0x13] * data[0x14]) break;
			printf("\tSKU Number: %s\n",
				dmi_string(h, data[0x15 + data[0x13] * data[0x14]]));
			break;

		case 4: /* 7.5 Processor Information */
			printf("Processor Information\n");
			if (h->length < 0x1A) break;
			printf("\tSocket Designation: %s\n",
				dmi_string(h, data[0x04]));
			printf("\tType: %s\n",
				dmi_processor_type(data[0x05]));
			printf("\tFamily: %s\n",
				dmi_processor_family(h, ver));
			printf("\tManufacturer: %s\n",
				dmi_string(h, data[0x07]));
			dmi_processor_id(h, "\t");
			printf("\tVersion: %s\n",
				dmi_string(h, data[0x10]));
			printf("\tVoltage:");
			dmi_processor_voltage(data[0x11]);
			printf("\n");
			printf("\tExternal Clock: ");
			dmi_processor_frequency(data + 0x12);
			printf("\n");
			printf("\tMax Speed: ");
			dmi_processor_frequency(data + 0x14);
			printf("\n");
			printf("\tCurrent Speed: ");
			dmi_processor_frequency(data + 0x16);
			printf("\n");
			if (data[0x18] & (1 << 6))
				printf("\tStatus: Populated, %s\n",
					dmi_processor_status(data[0x18] & 0x07));
			else
				printf("\tStatus: Unpopulated\n");
			printf("\tUpgrade: %s\n",
				dmi_processor_upgrade(data[0x19]));
			if (h->length < 0x20) break;
			if (!(opt.flags & FLAG_QUIET))
			{
				printf("\tL1 Cache Handle:");
				dmi_processor_cache(WORD(data + 0x1A), "L1", ver);
				printf("\n");
				printf("\tL2 Cache Handle:");
				dmi_processor_cache(WORD(data + 0x1C), "L2", ver);
				printf("\n");
				printf("\tL3 Cache Handle:");
				dmi_processor_cache(WORD(data + 0x1E), "L3", ver);
				printf("\n");
			}
			if (h->length < 0x23) break;
			printf("\tSerial Number: %s\n",
				dmi_string(h, data[0x20]));
			printf("\tAsset Tag: %s\n",
				dmi_string(h, data[0x21]));
			printf("\tPart Number: %s\n",
				dmi_string(h, data[0x22]));
			if (h->length < 0x28) break;
			if (data[0x23] != 0)
				printf("\tCore Count: %u\n",
					h->length >= 0x2C && data[0x23] == 0xFF ?
					WORD(data + 0x2A) : data[0x23]);
			if (data[0x24] != 0)
				printf("\tCore Enabled: %u\n",
					h->length >= 0x2E && data[0x24] == 0xFF ?
					WORD(data + 0x2C) : data[0x24]);
			if (data[0x25] != 0)
				printf("\tThread Count: %u\n",
					h->length >= 0x30 && data[0x25] == 0xFF ?
					WORD(data + 0x2E) : data[0x25]);
			printf("\tCharacteristics:");
			dmi_processor_characteristics(WORD(data + 0x26), "\t\t");
			break;

		case 5: /* 7.6 Memory Controller Information */
			printf("Memory Controller Information\n");
			if (h->length < 0x0F) break;
			printf("\tError Detecting Method: %s\n",
				dmi_memory_controller_ed_method(data[0x04]));
			printf("\tError Correcting Capabilities:");
			dmi_memory_controller_ec_capabilities(data[0x05], "\t\t");
			printf("\tSupported Interleave: %s\n",
				dmi_memory_controller_interleave(data[0x06]));
			printf("\tCurrent Interleave: %s\n",
				dmi_memory_controller_interleave(data[0x07]));
			printf("\tMaximum Memory Module Size: %u MB\n",
				1 << data[0x08]);
			printf("\tMaximum Total Memory Size: %u MB\n",
				data[0x0E] * (1 << data[0x08]));
			printf("\tSupported Speeds:");
			dmi_memory_controller_speeds(WORD(data + 0x09), "\t\t");
			printf("\tSupported Memory Types:");
			dmi_memory_module_types(WORD(data + 0x0B), "\n\t\t");
			printf("\n");
			printf("\tMemory Module Voltage:");
			dmi_processor_voltage(data[0x0D]);
			printf("\n");
			if (h->length < 0x0F + data[0x0E] * sizeof(u16)) break;
			dmi_memory_controller_slots(data[0x0E], data + 0x0F, "\t");
			if (h->length < 0x10 + data[0x0E] * sizeof(u16)) break;
			printf("\tEnabled Error Correcting Capabilities:");
			dmi_memory_controller_ec_capabilities(data[0x0F + data[0x0E] * sizeof(u16)], "\t\t");
			break;

		case 6: /* 7.7 Memory Module Information */
			printf("Memory Module Information\n");
			if (h->length < 0x0C) break;
			printf("\tSocket Designation: %s\n",
				dmi_string(h, data[0x04]));
			printf("\tBank Connections:");
			dmi_memory_module_connections(data[0x05]);
			printf("\n");
			printf("\tCurrent Speed:");
			dmi_memory_module_speed(data[0x06]);
			printf("\n");
			printf("\tType:");
			dmi_memory_module_types(WORD(data + 0x07), " ");
			printf("\n");
			printf("\tInstalled Size:");
			dmi_memory_module_size(data[0x09]);
			printf("\n");
			printf("\tEnabled Size:");
			dmi_memory_module_size(data[0x0A]);
			printf("\n");
			printf("\tError Status:");
			dmi_memory_module_error(data[0x0B], "\t\t");
			break;

		case 7: /* 7.8 Cache Information */
			printf("Cache Information\n");
			if (h->length < 0x0F) break;
			printf("\tSocket Designation: %s\n",
				dmi_string(h, data[0x04]));
			printf("\tConfiguration: %s, %s, Level %u\n",
				WORD(data + 0x05) & 0x0080 ? "Enabled" : "Disabled",
				WORD(data + 0x05) & 0x0008 ? "Socketed" : "Not Socketed",
				(WORD(data + 0x05) & 0x0007) + 1);
			printf("\tOperational Mode: %s\n",
				dmi_cache_mode((WORD(data + 0x05) >> 8) & 0x0003));
			printf("\tLocation: %s\n",
				dmi_cache_location((WORD(data + 0x05) >> 5) & 0x0003));
			printf("\tInstalled Size:");
			if (h->length >= 0x1B)
				dmi_cache_size_2(DWORD(data + 0x17));
			else
				dmi_cache_size(WORD(data + 0x09));
			printf("\n");
			printf("\tMaximum Size:");
			if (h->length >= 0x17)
				dmi_cache_size_2(DWORD(data + 0x13));
			else
				dmi_cache_size(WORD(data + 0x07));
			printf("\n");
			printf("\tSupported SRAM Types:");
			dmi_cache_types(WORD(data + 0x0B), "\n\t\t");
			printf("\n");
			printf("\tInstalled SRAM Type:");
			dmi_cache_types(WORD(data + 0x0D), " ");
			printf("\n");
			if (h->length < 0x13) break;
			printf("\tSpeed:");
			dmi_memory_module_speed(data[0x0F]);
			printf("\n");
			printf("\tError Correction Type: %s\n",
				dmi_cache_ec_type(data[0x10]));
			printf("\tSystem Type: %s\n",
				dmi_cache_type(data[0x11]));
			printf("\tAssociativity: %s\n",
				dmi_cache_associativity(data[0x12]));
			break;

		case 8: /* 7.9 Port Connector Information */
			printf("Port Connector Information\n");
			if (h->length < 0x09) break;
			printf("\tInternal Reference Designator: %s\n",
				dmi_string(h, data[0x04]));
			printf("\tInternal Connector Type: %s\n",
				dmi_port_connector_type(data[0x05]));
			printf("\tExternal Reference Designator: %s\n",
				dmi_string(h, data[0x06]));
			printf("\tExternal Connector Type: %s\n",
				dmi_port_connector_type(data[0x07]));
			printf("\tPort Type: %s\n",
				dmi_port_type(data[0x08]));
			break;

		case 9: /* 7.10 System Slots */
			printf("System Slot Information\n");
			if (h->length < 0x0C) break;
			printf("\tDesignation: %s\n",
				dmi_string(h, data[0x04]));
			printf("\tType: %s%s\n",
				dmi_slot_bus_width(data[0x06]),
				dmi_slot_type(data[0x05]));
			printf("\tCurrent Usage: %s\n",
				dmi_slot_current_usage(data[0x07]));
			printf("\tLength: %s\n",
				dmi_slot_length(data[0x08]));
			dmi_slot_id(data[0x09], data[0x0A], data[0x05], "\t");
			printf("\tCharacteristics:");
			if (h->length < 0x0D)
				dmi_slot_characteristics(data[0x0B], 0x00, "\t\t");
			else
				dmi_slot_characteristics(data[0x0B], data[0x0C], "\t\t");
			if (h->length < 0x11) break;
			dmi_slot_segment_bus_func(WORD(data + 0x0D), data[0x0F], data[0x10], "\t");
			break;

		case 10: /* 7.11 On Board Devices Information */
			dmi_on_board_devices(h, "");
			break;

		case 11: /* 7.12 OEM Strings */
			printf("OEM Strings\n");
			if (h->length < 0x05) break;
			dmi_oem_strings(h, "\t");
			break;

		case 12: /* 7.13 System Configuration Options */
			printf("System Configuration Options\n");
			if (h->length < 0x05) break;
			dmi_system_configuration_options(h, "\t");
			break;

		case 13: /* 7.14 BIOS Language Information */
			printf("BIOS Language Information\n");
			if (h->length < 0x16) break;
			if (ver >= 0x0201)
			{
				printf("\tLanguage Description Format: %s\n",
					dmi_bios_language_format(data[0x05]));
			}
			printf("\tInstallable Languages: %u\n", data[0x04]);
			dmi_bios_languages(h, "\t\t");
			printf("\tCurrently Installed Language: %s\n",
				dmi_string(h, data[0x15]));
			break;

		case 14: /* 7.15 Group Associations */
			printf("Group Associations\n");
			if (h->length < 0x05) break;
			printf("\tName: %s\n",
				dmi_string(h, data[0x04]));
			printf("\tItems: %u\n",
				(h->length - 0x05) / 3);
			dmi_group_associations_items((h->length - 0x05) / 3, data + 0x05, "\t\t");
			break;

		case 15: /* 7.16 System Event Log */
			printf("System Event Log\n");
			if (h->length < 0x14) break;
			printf("\tArea Length: %u bytes\n",
				WORD(data + 0x04));
			printf("\tHeader Start Offset: 0x%04X\n",
				WORD(data + 0x06));
			if (WORD(data + 0x08) - WORD(data + 0x06))
				printf("\tHeader Length: %u byte%s\n",
					WORD(data + 0x08) - WORD(data + 0x06),
					WORD(data + 0x08) - WORD(data + 0x06) > 1 ? "s" : "");
			printf("\tData Start Offset: 0x%04X\n",
				WORD(data + 0x08));
			printf("\tAccess Method: %s\n",
				dmi_event_log_method(data[0x0A]));
			printf("\tAccess Address:");
			dmi_event_log_address(data[0x0A], data + 0x10);
			printf("\n");
			printf("\tStatus:");
			dmi_event_log_status(data[0x0B]);
			printf("\n");
			printf("\tChange Token: 0x%08X\n",
				DWORD(data + 0x0C));
			if (h->length < 0x17) break;
			printf("\tHeader Format: %s\n",
				dmi_event_log_header_type(data[0x14]));
			printf("\tSupported Log Type Descriptors: %u\n",
				data[0x15]);
			if (h->length < 0x17 + data[0x15] * data[0x16]) break;
			dmi_event_log_descriptors(data[0x15], data[0x16], data + 0x17, "\t");
			break;

		case 16: /* 7.17 Physical Memory Array */
			printf("Physical Memory Array\n");
			if (h->length < 0x0F) break;
			printf("\tLocation: %s\n",
				dmi_memory_array_location(data[0x04]));
			printf("\tUse: %s\n",
				dmi_memory_array_use(data[0x05]));
			printf("\tError Correction Type: %s\n",
				dmi_memory_array_ec_type(data[0x06]));
			printf("\tMaximum Capacity:");
			if (DWORD(data + 0x07) == 0x80000000)
			{
				if (h->length < 0x17)
					printf(" Unknown");
				else
					dmi_print_memory_size(QWORD(data + 0x0F), 0);
			}
			else
			{
				u64 capacity;

				capacity.h = 0;
				capacity.l = DWORD(data + 0x07);
				dmi_print_memory_size(capacity, 1);
			}
			printf("\n");
			if (!(opt.flags & FLAG_QUIET))
			{
				printf("\tError Information Handle:");
				dmi_memory_array_error_handle(WORD(data + 0x0B));
				printf("\n");
			}
			printf("\tNumber Of Devices: %u\n",
				WORD(data + 0x0D));
			break;

		case 17: /* 7.18 Memory Device */
			printf("Memory Device\n");
			if (h->length < 0x15) break;
			if (!(opt.flags & FLAG_QUIET))
			{
				printf("\tArray Handle: 0x%04X\n",
					WORD(data + 0x04));
				printf("\tError Information Handle:");
				dmi_memory_array_error_handle(WORD(data + 0x06));
				printf("\n");
			}
			printf("\tTotal Width:");
			dmi_memory_device_width(WORD(data + 0x08));
			printf("\n");
			printf("\tData Width:");
			dmi_memory_device_width(WORD(data + 0x0A));
			printf("\n");
			printf("\tSize:");
			if (h->length >= 0x20 && WORD(data + 0x0C) == 0x7FFF)
				dmi_memory_device_extended_size(DWORD(data + 0x1C));
			else
				dmi_memory_device_size(WORD(data + 0x0C));
			printf("\n");
			printf("\tForm Factor: %s\n",
				dmi_memory_device_form_factor(data[0x0E]));
			printf("\tSet:");
			dmi_memory_device_set(data[0x0F]);
			printf("\n");
			printf("\tLocator: %s\n",
				dmi_string(h, data[0x10]));
			printf("\tBank Locator: %s\n",
				dmi_string(h, data[0x11]));
			printf("\tType: %s\n",
				dmi_memory_device_type(data[0x12]));
			printf("\tType Detail:");
			dmi_memory_device_type_detail(WORD(data + 0x13));
			printf("\n");
			if (h->length < 0x17) break;
			printf("\tSpeed:");
			dmi_memory_device_speed(WORD(data + 0x15));
			printf("\n");
			if (h->length < 0x1B) break;
			printf("\tManufacturer: %s\n",
				dmi_string(h, data[0x17]));
			printf("\tSerial Number: %s\n",
				dmi_string(h, data[0x18]));
			printf("\tAsset Tag: %s\n",
				dmi_string(h, data[0x19]));
			printf("\tPart Number: %s\n",
				dmi_string(h, data[0x1A]));
			if (h->length < 0x1C) break;
			printf("\tRank: ");
			if ((data[0x1B] & 0x0F) == 0)
				printf("Unknown");
			else
				printf("%u", data[0x1B] & 0x0F);
			printf("\n");
			if (h->length < 0x22) break;
			printf("\tConfigured Clock Speed:");
			dmi_memory_device_speed(WORD(data + 0x20));
			printf("\n");
			if (h->length < 0x28) break;
			printf("\tMinimum Voltage:");
			dmi_memory_voltage_value(WORD(data + 0x22));
			printf("\n");
			printf("\tMaximum Voltage:");
			dmi_memory_voltage_value(WORD(data + 0x24));
			printf("\n");
			printf("\tConfigured Voltage:");
			dmi_memory_voltage_value(WORD(data + 0x26));
			printf("\n");
			break;

		case 18: /* 7.19 32-bit Memory Error Information */
			printf("32-bit Memory Error Information\n");
			if (h->length < 0x17) break;
			printf("\tType: %s\n",
				dmi_memory_error_type(data[0x04]));
			printf("\tGranularity: %s\n",
				dmi_memory_error_granularity(data[0x05]));
			printf("\tOperation: %s\n",
				dmi_memory_error_operation(data[0x06]));
			printf("\tVendor Syndrome:");
			dmi_memory_error_syndrome(DWORD(data + 0x07));
			printf("\n");
			printf("\tMemory Array Address:");
			dmi_32bit_memory_error_address(DWORD(data + 0x0B));
			printf("\n");
			printf("\tDevice Address:");
			dmi_32bit_memory_error_address(DWORD(data + 0x0F));
			printf("\n");
			printf("\tResolution:");
			dmi_32bit_memory_error_address(DWORD(data + 0x13));
			printf("\n");
			break;

		case 19: /* 7.20 Memory Array Mapped Address */
			printf("Memory Array Mapped Address\n");
			if (h->length < 0x0F) break;
			if (h->length >= 0x1F && DWORD(data + 0x04) == 0xFFFFFFFF)
			{
				u64 start, end;

				start = QWORD(data + 0x0F);
				end = QWORD(data + 0x17);

				printf("\tStarting Address: 0x%08X%08Xk\n",
					start.h, start.l);
				printf("\tEnding Address: 0x%08X%08Xk\n",
					end.h, end.l);
				printf("\tRange Size:");
				dmi_mapped_address_extended_size(start, end);
			}
			else
			{
				printf("\tStarting Address: 0x%08X%03X\n",
					DWORD(data + 0x04) >> 2,
					(DWORD(data + 0x04) & 0x3) << 10);
				printf("\tEnding Address: 0x%08X%03X\n",
					DWORD(data + 0x08) >> 2,
					((DWORD(data + 0x08) & 0x3) << 10) + 0x3FF);
				printf("\tRange Size:");
				dmi_mapped_address_size(DWORD(data + 0x08) - DWORD(data + 0x04) + 1);
			}
			printf("\n");
			if (!(opt.flags & FLAG_QUIET))
				printf("\tPhysical Array Handle: 0x%04X\n",
					WORD(data + 0x0C));
			printf("\tPartition Width: %u\n",
				data[0x0E]);
			break;

		case 20: /* 7.21 Memory Device Mapped Address */
			printf("Memory Device Mapped Address\n");
			if (h->length < 0x13) break;
			if (h->length >= 0x23 && DWORD(data + 0x04) == 0xFFFFFFFF)
			{
				u64 start, end;

				start = QWORD(data + 0x13);
				end = QWORD(data + 0x1B);

				printf("\tStarting Address: 0x%08X%08Xk\n",
					start.h, start.l);
				printf("\tEnding Address: 0x%08X%08Xk\n",
					end.h, end.l);
				printf("\tRange Size:");
				dmi_mapped_address_extended_size(start, end);
			}
			else
			{
				printf("\tStarting Address: 0x%08X%03X\n",
					DWORD(data + 0x04) >> 2,
					(DWORD(data + 0x04) & 0x3) << 10);
				printf("\tEnding Address: 0x%08X%03X\n",
					DWORD(data + 0x08) >> 2,
					((DWORD(data + 0x08) & 0x3) << 10) + 0x3FF);
				printf("\tRange Size:");
				dmi_mapped_address_size(DWORD(data + 0x08) - DWORD(data + 0x04) + 1);
			}
			printf("\n");
			if (!(opt.flags & FLAG_QUIET))
			{
				printf("\tPhysical Device Handle: 0x%04X\n",
					WORD(data + 0x0C));
				printf("\tMemory Array Mapped Address Handle: 0x%04X\n",
					WORD(data + 0x0E));
			}
			printf("\tPartition Row Position:");
			dmi_mapped_address_row_position(data[0x10]);
			printf("\n");
			dmi_mapped_address_interleave_position(data[0x11], "\t");
			dmi_mapped_address_interleaved_data_depth(data[0x12], "\t");
			break;

		case 21: /* 7.22 Built-in Pointing Device */
			printf("Built-in Pointing Device\n");
			if (h->length < 0x07) break;
			printf("\tType: %s\n",
				dmi_pointing_device_type(data[0x04]));
			printf("\tInterface: %s\n",
				dmi_pointing_device_interface(data[0x05]));
			printf("\tButtons: %u\n",
				data[0x06]);
			break;

		case 22: /* 7.23 Portable Battery */
			printf("Portable Battery\n");
			if (h->length < 0x10) break;
			printf("\tLocation: %s\n",
				dmi_string(h, data[0x04]));
			printf("\tManufacturer: %s\n",
				dmi_string(h, data[0x05]));
			if (data[0x06] || h->length < 0x1A)
				printf("\tManufacture Date: %s\n",
					dmi_string(h, data[0x06]));
			if (data[0x07] || h->length < 0x1A)
				printf("\tSerial Number: %s\n",
					dmi_string(h, data[0x07]));
			printf("\tName: %s\n",
				dmi_string(h, data[0x08]));
			if (data[0x09] != 0x02 || h->length < 0x1A)
				printf("\tChemistry: %s\n",
					dmi_battery_chemistry(data[0x09]));
			printf("\tDesign Capacity:");
			if (h->length < 0x16)
				dmi_battery_capacity(WORD(data + 0x0A), 1);
			else
				dmi_battery_capacity(WORD(data + 0x0A), data[0x15]);
			printf("\n");
			printf("\tDesign Voltage:");
			dmi_battery_voltage(WORD(data + 0x0C));
			printf("\n");
			printf("\tSBDS Version: %s\n",
				dmi_string(h, data[0x0E]));
			printf("\tMaximum Error:");
			dmi_battery_maximum_error(data[0x0F]);
			printf("\n");
			if (h->length < 0x1A) break;
			if (data[0x07] == 0)
				printf("\tSBDS Serial Number: %04X\n",
					WORD(data + 0x10));
			if (data[0x06] == 0)
				printf("\tSBDS Manufacture Date: %u-%02u-%02u\n",
					1980 + (WORD(data + 0x12) >> 9),
					(WORD(data + 0x12) >> 5) & 0x0F,
					WORD(data + 0x12) & 0x1F);
			if (data[0x09] == 0x02)
				printf("\tSBDS Chemistry: %s\n",
					dmi_string(h, data[0x14]));
			printf("\tOEM-specific Information: 0x%08X\n",
				DWORD(data + 0x16));
			break;

		case 23: /* 7.24 System Reset */
			printf("System Reset\n");
			if (h->length < 0x0D) break;
			printf("\tStatus: %s\n",
				data[0x04] & (1 << 0) ? "Enabled" : "Disabled");
			printf("\tWatchdog Timer: %s\n",
				data[0x04] & (1 << 5) ? "Present" : "Not Present");
			if (!(data[0x04] & (1 << 5)))
				break;
			printf("\tBoot Option: %s\n",
				dmi_system_reset_boot_option((data[0x04] >> 1) & 0x3));
			printf("\tBoot Option On Limit: %s\n",
				dmi_system_reset_boot_option((data[0x04] >> 3) & 0x3));
			printf("\tReset Count:");
			dmi_system_reset_count(WORD(data + 0x05));
			printf("\n");
			printf("\tReset Limit:");
			dmi_system_reset_count(WORD(data + 0x07));
			printf("\n");
			printf("\tTimer Interval:");
			dmi_system_reset_timer(WORD(data + 0x09));
			printf("\n");
			printf("\tTimeout:");
			dmi_system_reset_timer(WORD(data + 0x0B));
			printf("\n");
			break;

		case 24: /* 7.25 Hardware Security */
			printf("Hardware Security\n");
			if (h->length < 0x05) break;
			printf("\tPower-On Password Status: %s\n",
				dmi_hardware_security_status(data[0x04] >> 6));
			printf("\tKeyboard Password Status: %s\n",
				dmi_hardware_security_status((data[0x04] >> 4) & 0x3));
			printf("\tAdministrator Password Status: %s\n",
				dmi_hardware_security_status((data[0x04] >> 2) & 0x3));
			printf("\tFront Panel Reset Status: %s\n",
				dmi_hardware_security_status(data[0x04] & 0x3));
			break;

		case 25: /* 7.26 System Power Controls */
			printf("\tSystem Power Controls\n");
			if (h->length < 0x09) break;
			printf("\tNext Scheduled Power-on:");
			dmi_power_controls_power_on(data + 0x04);
			printf("\n");
			break;

		case 26: /* 7.27 Voltage Probe */
			printf("Voltage Probe\n");
			if (h->length < 0x14) break;
			printf("\tDescription: %s\n",
				dmi_string(h, data[0x04]));
			printf("\tLocation: %s\n",
				dmi_voltage_probe_location(data[0x05] & 0x1f));
			printf("\tStatus: %s\n",
				dmi_probe_status(data[0x05] >> 5));
			printf("\tMaximum Value:");
			dmi_voltage_probe_value(WORD(data + 0x06));
			printf("\n");
			printf("\tMinimum Value:");
			dmi_voltage_probe_value(WORD(data + 0x08));
			printf("\n");
			printf("\tResolution:");
			dmi_voltage_probe_resolution(WORD(data + 0x0A));
			printf("\n");
			printf("\tTolerance:");
			dmi_voltage_probe_value(WORD(data + 0x0C));
			printf("\n");
			printf("\tAccuracy:");
			dmi_probe_accuracy(WORD(data + 0x0E));
			printf("\n");
			printf("\tOEM-specific Information: 0x%08X\n",
				DWORD(data + 0x10));
			if (h->length < 0x16) break;
			printf("\tNominal Value:");
			dmi_voltage_probe_value(WORD(data + 0x14));
			printf("\n");
			break;

		case 27: /* 7.28 Cooling Device */
			printf("Cooling Device\n");
			if (h->length < 0x0C) break;
			if (!(opt.flags & FLAG_QUIET) && WORD(data + 0x04) != 0xFFFF)
				printf("\tTemperature Probe Handle: 0x%04X\n",
					WORD(data + 0x04));
			printf("\tType: %s\n",
				dmi_cooling_device_type(data[0x06] & 0x1f));
			printf("\tStatus: %s\n",
				dmi_probe_status(data[0x06] >> 5));
			if (data[0x07] != 0x00)
				printf("\tCooling Unit Group: %u\n",
					data[0x07]);
			printf("\tOEM-specific Information: 0x%08X\n",
				DWORD(data + 0x08));
			if (h->length < 0x0E) break;
			printf("\tNominal Speed:");
			dmi_cooling_device_speed(WORD(data + 0x0C));
			printf("\n");
			if (h->length < 0x0F) break;
			printf("\tDescription: %s\n", dmi_string(h, data[0x0E]));
			break;

		case 28: /* 7.29 Temperature Probe */
			printf("Temperature Probe\n");
			if (h->length < 0x14) break;
			printf("\tDescription: %s\n",
				dmi_string(h, data[0x04]));
			printf("\tLocation: %s\n",
				dmi_temperature_probe_location(data[0x05] & 0x1F));
			printf("\tStatus: %s\n",
				dmi_probe_status(data[0x05] >> 5));
			printf("\tMaximum Value:");
			dmi_temperature_probe_value(WORD(data + 0x06));
			printf("\n");
			printf("\tMinimum Value:");
			dmi_temperature_probe_value(WORD(data + 0x08));
			printf("\n");
			printf("\tResolution:");
			dmi_temperature_probe_resolution(WORD(data + 0x0A));
			printf("\n");
			printf("\tTolerance:");
			dmi_temperature_probe_value(WORD(data + 0x0C));
			printf("\n");
			printf("\tAccuracy:");
			dmi_probe_accuracy(WORD(data + 0x0E));
			printf("\n");
			printf("\tOEM-specific Information: 0x%08X\n",
				DWORD(data + 0x10));
			if (h->length < 0x16) break;
			printf("\tNominal Value:");
			dmi_temperature_probe_value(WORD(data + 0x14));
			printf("\n");
			break;

		case 29: /* 7.30 Electrical Current Probe */
			printf("Electrical Current Probe\n");
			if (h->length < 0x14) break;
			printf("\tDescription: %s\n",
				dmi_string(h, data[0x04]));
			printf("\tLocation: %s\n",
				dmi_voltage_probe_location(data[5] & 0x1F));
			printf("\tStatus: %s\n",
				dmi_probe_status(data[0x05] >> 5));
			printf("\tMaximum Value:");
			dmi_current_probe_value(WORD(data + 0x06));
			printf("\n");
			printf("\tMinimum Value:");
			dmi_current_probe_value(WORD(data + 0x08));
			printf("\n");
			printf("\tResolution:");
			dmi_current_probe_resolution(WORD(data + 0x0A));
			printf("\n");
			printf("\tTolerance:");
			dmi_current_probe_value(WORD(data + 0x0C));
			printf("\n");
			printf("\tAccuracy:");
			dmi_probe_accuracy(WORD(data + 0x0E));
			printf("\n");
			printf("\tOEM-specific Information: 0x%08X\n",
				DWORD(data + 0x10));
			if (h->length < 0x16) break;
			printf("\tNominal Value:");
			dmi_current_probe_value(WORD(data + 0x14));
			printf("\n");
			break;

		case 30: /* 7.31 Out-of-band Remote Access */
			printf("Out-of-band Remote Access\n");
			if (h->length < 0x06) break;
			printf("\tManufacturer Name: %s\n",
				dmi_string(h, data[0x04]));
			printf("\tInbound Connection: %s\n",
				data[0x05] & (1 << 0) ? "Enabled" : "Disabled");
			printf("\tOutbound Connection: %s\n",
				data[0x05] & (1 << 1) ? "Enabled" : "Disabled");
			break;

		case 31: /* 7.32 Boot Integrity Services Entry Point */
			printf("Boot Integrity Services Entry Point\n");
			if (h->length < 0x1C) break;
			printf("\tChecksum: %s\n",
				checksum(data, h->length) ? "OK" : "Invalid");
			printf("\t16-bit Entry Point Address: %04X:%04X\n",
				DWORD(data + 0x08) >> 16,
				DWORD(data + 0x08) & 0xFFFF);
			printf("\t32-bit Entry Point Address: 0x%08X\n",
				DWORD(data + 0x0C));
			break;

		case 32: /* 7.33 System Boot Information */
			printf("System Boot Information\n");
			if (h->length < 0x0B) break;
			printf("\tStatus: %s\n",
				dmi_system_boot_status(data[0x0A]));
			break;

		case 33: /* 7.34 64-bit Memory Error Information */
			if (h->length < 0x1F) break;
			printf("64-bit Memory Error Information\n");
			printf("\tType: %s\n",
				dmi_memory_error_type(data[0x04]));
			printf("\tGranularity: %s\n",
				dmi_memory_error_granularity(data[0x05]));
			printf("\tOperation: %s\n",
				dmi_memory_error_operation(data[0x06]));
			printf("\tVendor Syndrome:");
			dmi_memory_error_syndrome(DWORD(data + 0x07));
			printf("\n");
			printf("\tMemory Array Address:");
			dmi_64bit_memory_error_address(QWORD(data + 0x0B));
			printf("\n");
			printf("\tDevice Address:");
			dmi_64bit_memory_error_address(QWORD(data + 0x13));
			printf("\n");
			printf("\tResolution:");
			dmi_32bit_memory_error_address(DWORD(data + 0x1B));
			printf("\n");
			break;

		case 34: /* 7.35 Management Device */
			printf("Management Device\n");
			if (h->length < 0x0B) break;
			printf("\tDescription: %s\n",
				dmi_string(h, data[0x04]));
			printf("\tType: %s\n",
				dmi_management_device_type(data[0x05]));
			printf("\tAddress: 0x%08X\n",
				DWORD(data + 0x06));
			printf("\tAddress Type: %s\n",
				dmi_management_device_address_type(data[0x0A]));
			break;

		case 35: /* 7.36 Management Device Component */
			printf("Management Device Component\n");
			if (h->length < 0x0B) break;
			printf("\tDescription: %s\n",
				dmi_string(h, data[0x04]));
			if (!(opt.flags & FLAG_QUIET))
			{
				printf("\tManagement Device Handle: 0x%04X\n",
					WORD(data + 0x05));
				printf("\tComponent Handle: 0x%04X\n",
					WORD(data + 0x07));
				if (WORD(data + 0x09) != 0xFFFF)
					printf("\tThreshold Handle: 0x%04X\n",
					WORD(data + 0x09));
			}
			break;

		case 36: /* 7.37 Management Device Threshold Data */
			printf("Management Device Threshold Data\n");
			if (h->length < 0x10) break;
			if (WORD(data + 0x04) != 0x8000)
				printf("\tLower Non-critical Threshold: %d\n",
					(i16)WORD(data + 0x04));
			if (WORD(data + 0x06) != 0x8000)
				printf("\tUpper Non-critical Threshold: %d\n",
					(i16)WORD(data + 0x06));
			if (WORD(data + 0x08) != 0x8000)
				printf("\tLower Critical Threshold: %d\n",
					(i16)WORD(data + 0x08));
			if (WORD(data + 0x0A) != 0x8000)
				printf("\tUpper Critical Threshold: %d\n",
					(i16)WORD(data + 0x0A));
			if (WORD(data + 0x0C) != 0x8000)
				printf("\tLower Non-recoverable Threshold: %d\n",
					(i16)WORD(data + 0x0C));
			if (WORD(data + 0x0E) != 0x8000)
				printf("\tUpper Non-recoverable Threshold: %d\n",
					(i16)WORD(data + 0x0E));
			break;

		case 37: /* 7.38 Memory Channel */
			printf("Memory Channel\n");
			if (h->length < 0x07) break;
			printf("\tType: %s\n",
				dmi_memory_channel_type(data[0x04]));
			printf("\tMaximal Load: %u\n",
				data[0x05]);
			printf("\tDevices: %u\n",
				data[0x06]);
			if (h->length < 0x07 + 3 * data[0x06]) break;
			dmi_memory_channel_devices(data[0x06], data + 0x07, "\t");
			break;

		case 38: /* 7.39 IPMI Device Information */
			/*
			 * We use the word "Version" instead of "Revision", conforming to
			 * the IPMI specification.
			 */
			printf("IPMI Device Information\n");
			if (h->length < 0x10) break;
			printf("\tInterface Type: %s\n",
				dmi_ipmi_interface_type(data[0x04]));
			printf("\tSpecification Version: %u.%u\n",
				data[0x05] >> 4, data[0x05] & 0x0F);
			printf("\tI2C Slave Address: 0x%02x\n",
				data[0x06] >> 1);
			if (data[0x07] != 0xFF)
				printf("\tNV Storage Device Address: %u\n",
					data[0x07]);
			else
				printf("\tNV Storage Device: Not Present\n");
			printf("\tBase Address: ");
			dmi_ipmi_base_address(data[0x04], data + 0x08,
				h->length < 0x11 ? 0 : (data[0x10] >> 4) & 1);
			printf("\n");
			if (h->length < 0x12) break;
			if (data[0x04] != 0x04)
			{
				printf("\tRegister Spacing: %s\n",
					dmi_ipmi_register_spacing(data[0x10] >> 6));
				if (data[0x10] & (1 << 3))
				{
					printf("\tInterrupt Polarity: %s\n",
						data[0x10] & (1 << 1) ? "Active High" : "Active Low");
					printf("\tInterrupt Trigger Mode: %s\n",
						data[0x10] & (1 << 0) ? "Level" : "Edge");
				}
			}
			if (data[0x11] != 0x00)
			{
				printf("\tInterrupt Number: %u\n",
					data[0x11]);
			}
			break;

		case 39: /* 7.40 System Power Supply */
			printf("System Power Supply\n");
			if (h->length < 0x10) break;
			if (data[0x04] != 0x00)
				printf("\tPower Unit Group: %u\n",
					data[0x04]);
			printf("\tLocation: %s\n",
				dmi_string(h, data[0x05]));
			printf("\tName: %s\n",
				dmi_string(h, data[0x06]));
			printf("\tManufacturer: %s\n",
				dmi_string(h, data[0x07]));
			printf("\tSerial Number: %s\n",
				dmi_string(h, data[0x08]));
			printf("\tAsset Tag: %s\n",
				dmi_string(h, data[0x09]));
			printf("\tModel Part Number: %s\n",
				dmi_string(h, data[0x0A]));
			printf("\tRevision: %s\n",
				dmi_string(h, data[0x0B]));
			printf("\tMax Power Capacity:");
			dmi_power_supply_power(WORD(data + 0x0C));
			printf("\n");
			printf("\tStatus:");
			if (WORD(data + 0x0E) & (1 << 1))
				printf(" Present, %s",
					dmi_power_supply_status((WORD(data + 0x0E) >> 7) & 0x07));
			else
				printf(" Not Present");
			printf("\n");
			printf("\tType: %s\n",
				dmi_power_supply_type((WORD(data + 0x0E) >> 10) & 0x0F));
			printf("\tInput Voltage Range Switching: %s\n",
				dmi_power_supply_range_switching((WORD(data + 0x0E) >> 3) & 0x0F));
			printf("\tPlugged: %s\n",
				WORD(data + 0x0E) & (1 << 2) ? "No" : "Yes");
			printf("\tHot Replaceable: %s\n",
				WORD(data + 0x0E) & (1 << 0) ? "Yes" : "No");
			if (h->length < 0x16) break;
			if (!(opt.flags & FLAG_QUIET))
			{
				if (WORD(data + 0x10) != 0xFFFF)
					printf("\tInput Voltage Probe Handle: 0x%04X\n",
						WORD(data + 0x10));
				if (WORD(data + 0x12) != 0xFFFF)
					printf("\tCooling Device Handle: 0x%04X\n",
						WORD(data + 0x12));
				if (WORD(data + 0x14) != 0xFFFF)
					printf("\tInput Current Probe Handle: 0x%04X\n",
						WORD(data + 0x14));
			}
			break;

		case 40: /* 7.41 Additional Information */
			if (h->length < 0x0B) break;
			if (opt.flags & FLAG_QUIET)
				return;
			dmi_additional_info(h, "");
			break;

		case 41: /* 7.42 Onboard Device Extended Information */
			printf("Onboard Device\n");
			if (h->length < 0x0B) break;
			printf("\tReference Designation: %s\n", dmi_string(h, data[0x04]));
			printf("\tType: %s\n",
				dmi_on_board_devices_type(data[0x05] & 0x7F));
			printf("\tStatus: %s\n",
				data[0x05] & 0x80 ? "Enabled" : "Disabled");
			printf("\tType Instance: %u\n", data[0x06]);
			dmi_slot_segment_bus_func(WORD(data + 0x07), data[0x09], data[0x0A], "\t");
			break;

		case 42: /* 7.43 Management Controller Host Interface */
			printf("Management Controller Host Interface\n");
			if (h->length < 0x05) break;
			printf("\tInterface Type: %s\n",
				dmi_management_controller_host_type(data[0x04]));
			/*
			 * There you have a type-dependent, variable-length
			 * part in the middle of the structure, with no
			 * length specifier, so no easy way to decode the
			 * common, final part of the structure. What a pity.
			 */
			if (h->length < 0x09) break;
			if (data[0x04] == 0xF0)		/* OEM */
			{
				printf("\tVendor ID: 0x%02X%02X%02X%02X\n",
					data[0x05], data[0x06], data[0x07],
					data[0x08]);
			}
			break;

		case 43: /* 7.44 TPM Device */
			printf("TPM Device\n");
			if (h->length < 0x1B) break;
			printf("\tVendor ID:");
			dmi_tpm_vendor_id(data + 0x04);
			printf("\n");
			printf("\tSpecification Version: %d.%d", data[0x08], data[0x09]);
			switch (data[0x08])
			{
				case 0x01:
					/*
					 * We skip the first 2 bytes, which are
					 * redundant with the above, and uncoded
					 * in a silly way.
					 */
					printf("\tFirmware Revision: %u.%u\n",
						data[0x0C], data[0x0D]);
					break;
				case 0x02:
					printf("\tFirmware Revision: %u.%u\n",
						DWORD(data + 0x0A) >> 16,
						DWORD(data + 0x0A) && 0xFF);
					/*
					 * We skip the next 4 bytes, as their
					 * format is not standardized and their
					 * usefulness seems limited anyway.
					 */
					break;
			}
			printf("\tDescription: %s", dmi_string(h, data[0x12]));
			printf("\tCharacteristics:\n");
			dmi_tpm_characteristics(QWORD(data + 0x13), "\t\t");
			if (h->length < 0x1F) break;
			printf("\tOEM-specific Information: 0x%08X\n",
				DWORD(data + 0x1B));
			break;

		case 126: /* 7.44 Inactive */
			printf("Inactive\n");
			break;

		case 127: /* 7.45 End Of Table */
			printf("End Of Table\n");
			break;

		default:
			if (dmi_decode_oem(h))
				break;
			if (opt.flags & FLAG_QUIET)
				return;
			printf("%s Type\n",
				h->type >= 128 ? "OEM-specific" : "Unknown");
			dmi_dump(h, "\t");
	}
	printf("\n");
}

static void to_dmi_header(struct dmi_header *h, u8 *data)
{
	h->type = data[0];
	h->length = data[1];
	h->handle = WORD(data + 2);
	h->data = data;
}

static void dmi_table_string(const struct dmi_header *h, const u8 *data, u16 ver)
{
	int key;
	u8 offset = opt.string->offset;

	if (opt.string->type == 11) /* OEM strings */
	{
		if (h->length < 5 || offset > data[4])
		{
			fprintf(stderr, "No OEM string number %u\n", offset);
			return;
		}

		if (offset)
			printf("%s\n", dmi_string(h, offset));
		else
			printf("%u\n", data[4]);	/* count */
		return;
	}

	if (offset >= h->length)
		return;

	key = (opt.string->type << 8) | offset;
	switch (key)
	{
		case 0x108:
			dmi_system_uuid(data + offset, ver);
			printf("\n");
			break;
		case 0x305:
			printf("%s\n", dmi_chassis_type(data[offset]));
			break;
		case 0x406:
			printf("%s\n", dmi_processor_family(h, ver));
			break;
		case 0x416:
			dmi_processor_frequency(data + offset);
			printf("\n");
			break;
		default:
			printf("%s\n", dmi_string(h, data[offset]));
	}
}

static void dmi_table_dump(const u8 *buf, u32 len)
{
	if (!(opt.flags & FLAG_QUIET))
		printf("# Writing %d bytes to %s.\n", len, opt.dumpfile);
	write_dump(32, len, buf, opt.dumpfile, 0);
}

static void dmi_table_decode(u8 *buf, u32 len, u16 num, u16 ver, u32 flags)
{
	u8 *data;
	int i = 0;

	data = buf;
	while ((i < num || !num)
	    && data + 4 <= buf + len) /* 4 is the length of an SMBIOS structure header */
	{
		u8 *next;
		struct dmi_header h;
		int display;

		to_dmi_header(&h, data);
		display = ((opt.type == NULL || opt.type[h.type])
			&& !((opt.flags & FLAG_QUIET) && (h.type == 126 || h.type == 127))
			&& !opt.string);

		/*
		 * If a short entry is found (less than 4 bytes), not only it
		 * is invalid, but we cannot reliably locate the next entry.
		 * Better stop at this point, and let the user know his/her
		 * table is broken.
		 */
		if (h.length < 4)
		{
			if (!(opt.flags & FLAG_QUIET))
			{
				fprintf(stderr,
					"Invalid entry length (%u). DMI table "
					"is broken! Stop.\n\n",
					(unsigned int)h.length);
				opt.flags |= FLAG_QUIET;
			}
			break;
		}

		/* In quiet mode, stop decoding at end of table marker */
		if ((opt.flags & FLAG_QUIET) && h.type == 127)
			break;

		if (display
		 && (!(opt.flags & FLAG_QUIET) || (opt.flags & FLAG_DUMP)))
			printf("Handle 0x%04X, DMI type %d, %d bytes\n",
				h.handle, h.type, h.length);

		/* assign vendor for vendor-specific decodes later */
		if (h.type == 1 && h.length >= 5)
			dmi_set_vendor(dmi_string(&h, data[0x04]));

		/* Fixup a common mistake */
		if (h.type == 34)
			dmi_fixup_type_34(&h, display);

		/* look for the next handle */
		next = data + h.length;
		while ((unsigned long)(next - buf + 1) < len
		    && (next[0] != 0 || next[1] != 0))
			next++;
		next += 2;
		if (display)
		{
			if ((unsigned long)(next - buf) <= len)
			{
				if (opt.flags & FLAG_DUMP)
				{
					dmi_dump(&h, "\t");
					printf("\n");
				}
				else
					dmi_decode(&h, ver);
			}
			else if (!(opt.flags & FLAG_QUIET))
				printf("\t<TRUNCATED>\n\n");
		}
		else if (opt.string != NULL
		      && opt.string->type == h.type)
			dmi_table_string(&h, data, ver);

		data = next;
		i++;

		/* SMBIOS v3 requires stopping at this marker */
		if (h.type == 127 && (flags & FLAG_STOP_AT_EOT))
			break;
	}

	/*
	 * SMBIOS v3 64-bit entry points do not announce a structures count,
	 * and only indicate a maximum size for the table.
	 */
	if (!(opt.flags & FLAG_QUIET))
	{
		if (num && i != num)
			fprintf(stderr, "Wrong DMI structures count: %d announced, "
				"only %d decoded.\n", num, i);
		if ((unsigned long)(data - buf) > len
		 || (num && (unsigned long)(data - buf) < len))
			fprintf(stderr, "Wrong DMI structures length: %u bytes "
				"announced, structures occupy %lu bytes.\n",
				len, (unsigned long)(data - buf));
	}
}

static void dmi_table(off_t base, u32 len, u16 num, u32 ver, const char *devmem,
		      u32 flags)
{
	u8 *buf;

	if (ver > SUPPORTED_SMBIOS_VER && !(opt.flags & FLAG_QUIET))
	{
		printf("# SMBIOS implementations newer than version %u.%u.%u are not\n"
		       "# fully supported by this version of dmidecode.\n",
		       SUPPORTED_SMBIOS_VER >> 16,
		       (SUPPORTED_SMBIOS_VER >> 8) & 0xFF,
		       SUPPORTED_SMBIOS_VER & 0xFF);
	}

	if (!(opt.flags & FLAG_QUIET))
	{
		if (opt.type == NULL)
		{
			if (num)
				printf("%u structures occupying %u bytes.\n",
				       num, len);
			if (!(opt.flags & FLAG_FROM_DUMP))
				printf("Table at 0x%08llX.\n",
				       (unsigned long long)base);
		}
		printf("\n");
	}

	if ((flags & FLAG_NO_FILE_OFFSET) || (opt.flags & FLAG_FROM_DUMP))
	{
		/*
		 * When reading from sysfs or from a dump file, the file may be
		 * shorter than announced. For SMBIOS v3 this is expcted, as we
		 * only know the maximum table size, not the actual table size.
		 * For older implementations (and for SMBIOS v3 too), this
		 * would be the result of the kernel truncating the table on
		 * parse error.
		 */
		size_t size = len;
		buf = read_file(flags & FLAG_NO_FILE_OFFSET ? 0 : base,
			&size, devmem);
		if (!(opt.flags & FLAG_QUIET) && num && size != (size_t)len)
		{
			fprintf(stderr, "Wrong DMI structures length: %u bytes "
				"announced, only %lu bytes available.\n",
				len, (unsigned long)size);
		}
		len = size;
	}
	else
		buf = mem_chunk(base, len, devmem);

	if (buf == NULL)
	{
		fprintf(stderr, "Failed to read table, sorry.\n");
#ifndef USE_MMAP
		if (!(flags & FLAG_NO_FILE_OFFSET))
			fprintf(stderr,
				"Try compiling dmidecode with -DUSE_MMAP.\n");
#endif
		return;
	}

	if (opt.flags & FLAG_DUMP_BIN)
		dmi_table_dump(buf, len);
	else
		dmi_table_decode(buf, len, num, ver >> 8, flags);

	free(buf);
}


/*
 * Build a crafted entry point with table address hard-coded to 32,
 * as this is where we will put it in the output file. We adjust the
 * DMI checksum appropriately. The SMBIOS checksum needs no adjustment.
 */
static void overwrite_dmi_address(u8 *buf)
{
	buf[0x05] += buf[0x08] + buf[0x09] + buf[0x0A] + buf[0x0B] - 32;
	buf[0x08] = 32;
	buf[0x09] = 0;
	buf[0x0A] = 0;
	buf[0x0B] = 0;
}

/* Same thing for SMBIOS3 entry points */
static void overwrite_smbios3_address(u8 *buf)
{
	buf[0x05] += buf[0x10] + buf[0x11] + buf[0x12] + buf[0x13]
		   + buf[0x14] + buf[0x15] + buf[0x16] + buf[0x17] - 32;
	buf[0x10] = 32;
	buf[0x11] = 0;
	buf[0x12] = 0;
	buf[0x13] = 0;
	buf[0x14] = 0;
	buf[0x15] = 0;
	buf[0x16] = 0;
	buf[0x17] = 0;
}

static int smbios3_decode(u8 *buf, const char *devmem, u32 flags)
{
	u32 ver;
	u64 offset;

	if (!checksum(buf, buf[0x06]))
		return 0;

	ver = (buf[0x07] << 16) + (buf[0x08] << 8) + buf[0x09];
	if (!(opt.flags & FLAG_QUIET))
		printf("SMBIOS %u.%u.%u present.\n",
		       buf[0x07], buf[0x08], buf[0x09]);

	offset = QWORD(buf + 0x10);
	if (!(flags & FLAG_NO_FILE_OFFSET) && offset.h && sizeof(off_t) < 8)
	{
		fprintf(stderr, "64-bit addresses not supported, sorry.\n");
		return 0;
	}

	dmi_table(((off_t)offset.h << 32) | offset.l,
		  DWORD(buf + 0x0C), 0, ver, devmem, flags | FLAG_STOP_AT_EOT);

	if (opt.flags & FLAG_DUMP_BIN)
	{
		u8 crafted[32];

		memcpy(crafted, buf, 32);
		overwrite_smbios3_address(crafted);

		if (!(opt.flags & FLAG_QUIET))
			printf("# Writing %d bytes to %s.\n", crafted[0x06],
			       opt.dumpfile);
		write_dump(0, crafted[0x06], crafted, opt.dumpfile, 1);
	}

	return 1;
}

static int smbios_decode(u8 *buf, const char *devmem, u32 flags)
{
	u16 ver;

	if (!checksum(buf, buf[0x05])
	 || memcmp(buf + 0x10, "_DMI_", 5) != 0
	 || !checksum(buf + 0x10, 0x0F))
		return 0;

	ver = (buf[0x06] << 8) + buf[0x07];
	/* Some BIOS report weird SMBIOS version, fix that up */
	switch (ver)
	{
		case 0x021F:
		case 0x0221:
			if (!(opt.flags & FLAG_QUIET))
				fprintf(stderr,
					"SMBIOS version fixup (2.%d -> 2.%d).\n",
					ver & 0xFF, 3);
			ver = 0x0203;
			break;
		case 0x0233:
			if (!(opt.flags & FLAG_QUIET))
				fprintf(stderr,
					"SMBIOS version fixup (2.%d -> 2.%d).\n",
					51, 6);
			ver = 0x0206;
			break;
	}
	if (!(opt.flags & FLAG_QUIET))
		printf("SMBIOS %u.%u present.\n",
			ver >> 8, ver & 0xFF);

	dmi_table(DWORD(buf + 0x18), WORD(buf + 0x16), WORD(buf + 0x1C),
		ver << 8, devmem, flags);

	if (opt.flags & FLAG_DUMP_BIN)
	{
		u8 crafted[32];

		memcpy(crafted, buf, 32);
		overwrite_dmi_address(crafted + 0x10);

		if (!(opt.flags & FLAG_QUIET))
			printf("# Writing %d bytes to %s.\n", crafted[0x05],
				opt.dumpfile);
		write_dump(0, crafted[0x05], crafted, opt.dumpfile, 1);
	}

	return 1;
}

static int legacy_decode(u8 *buf, const char *devmem, u32 flags)
{
	if (!checksum(buf, 0x0F))
		return 0;

	if (!(opt.flags & FLAG_QUIET))
		printf("Legacy DMI %u.%u present.\n",
			buf[0x0E] >> 4, buf[0x0E] & 0x0F);

	dmi_table(DWORD(buf + 0x08), WORD(buf + 0x06), WORD(buf + 0x0C),
		((buf[0x0E] & 0xF0) << 12) + ((buf[0x0E] & 0x0F) << 8),
		devmem, flags);

	if (opt.flags & FLAG_DUMP_BIN)
	{
		u8 crafted[16];

		memcpy(crafted, buf, 16);
		overwrite_dmi_address(crafted);

		if (!(opt.flags & FLAG_QUIET))
			printf("# Writing %d bytes to %s.\n", 0x0F,
				opt.dumpfile);
		write_dump(0, 0x0F, crafted, opt.dumpfile, 1);
	}

	return 1;
}

/*
 * Probe for EFI interface
 */
#define EFI_NOT_FOUND   (-1)
#define EFI_NO_SMBIOS   (-2)
static int address_from_efi(off_t *address)
{
	FILE *efi_systab;
	const char *filename;
	char linebuf[64];
	int ret;

	*address = 0; /* Prevent compiler warning */

	/*
	 * Linux up to 2.6.6: /proc/efi/systab
	 * Linux 2.6.7 and up: /sys/firmware/efi/systab
	 */
	if ((efi_systab = fopen(filename = "/sys/firmware/efi/systab", "r")) == NULL
	 && (efi_systab = fopen(filename = "/proc/efi/systab", "r")) == NULL)
	{
		/* No EFI interface, fallback to memory scan */
		return EFI_NOT_FOUND;
	}
	ret = EFI_NO_SMBIOS;
	while ((fgets(linebuf, sizeof(linebuf) - 1, efi_systab)) != NULL)
	{
		char *addrp = strchr(linebuf, '=');
		*(addrp++) = '\0';
		if (strcmp(linebuf, "SMBIOS3") == 0
		 || strcmp(linebuf, "SMBIOS") == 0)
		{
			*address = strtoull(addrp, NULL, 0);
			if (!(opt.flags & FLAG_QUIET))
				printf("# %s entry point at 0x%08llx\n",
				       linebuf, (unsigned long long)*address);
			ret = 0;
			break;
		}
	}
	if (fclose(efi_systab) != 0)
		perror(filename);

	if (ret == EFI_NO_SMBIOS)
		fprintf(stderr, "%s: SMBIOS entry point missing\n", filename);
	return ret;
}

int main(int argc, char * const argv[])
{
	int ret = 0;                /* Returned value */
	int found = 0;
	off_t fp;
	size_t size;
	int efi;
	u8 *buf;

	/*
	 * We don't want stdout and stderr to be mixed up if both are
	 * redirected to the same file.
	 */
	setlinebuf(stdout);
	setlinebuf(stderr);

	if (sizeof(u8) != 1 || sizeof(u16) != 2 || sizeof(u32) != 4 || '\0' != 0)
	{
		fprintf(stderr, "%s: compiler incompatibility\n", argv[0]);
		exit(255);
	}

	/* Set default option values */
	opt.devmem = DEFAULT_MEM_DEV;
	opt.flags = 0;

	if (parse_command_line(argc, argv)<0)
	{
		ret = 2;
		goto exit_free;
	}

	if (opt.flags & FLAG_HELP)
	{
		print_help();
		goto exit_free;
	}

	if (opt.flags & FLAG_VERSION)
	{
		printf("%s\n", VERSION);
		goto exit_free;
	}

	if (!(opt.flags & FLAG_QUIET))
		printf("# dmidecode %s\n", VERSION);

	/* Read from dump if so instructed */
	if (opt.flags & FLAG_FROM_DUMP)
	{
		if (!(opt.flags & FLAG_QUIET))
			printf("Reading SMBIOS/DMI data from file %s.\n",
			       opt.dumpfile);
		if ((buf = mem_chunk(0, 0x20, opt.dumpfile)) == NULL)
		{
			ret = 1;
			goto exit_free;
		}

		if (memcmp(buf, "_SM3_", 5) == 0)
		{
			if (smbios3_decode(buf, opt.dumpfile, 0))
				found++;
		}
		else if (memcmp(buf, "_SM_", 4) == 0)
		{
			if (smbios_decode(buf, opt.dumpfile, 0))
				found++;
		}
		else if (memcmp(buf, "_DMI_", 5) == 0)
		{
			if (legacy_decode(buf, opt.dumpfile, 0))
				found++;
		}
		goto done;
	}

	/*
	 * First try reading from sysfs tables.  The entry point file could
	 * contain one of several types of entry points, so read enough for
	 * the largest one, then determine what type it contains.
	 */
	size = 0x20;
	if (!(opt.flags & FLAG_NO_SYSFS)
	 && (buf = read_file(0, &size, SYS_ENTRY_FILE)) != NULL)
	{
		if (!(opt.flags & FLAG_QUIET))
			printf("Getting SMBIOS data from sysfs.\n");
		if (size >= 24 && memcmp(buf, "_SM3_", 5) == 0)
		{
			if (smbios3_decode(buf, SYS_TABLE_FILE, FLAG_NO_FILE_OFFSET))
				found++;
		}
		else if (size >= 31 && memcmp(buf, "_SM_", 4) == 0)
		{
			if (smbios_decode(buf, SYS_TABLE_FILE, FLAG_NO_FILE_OFFSET))
				found++;
		}
		else if (size >= 15 && memcmp(buf, "_DMI_", 5) == 0)
		{
			if (legacy_decode(buf, SYS_TABLE_FILE, FLAG_NO_FILE_OFFSET))
				found++;
		}

		if (found)
			goto done;
		if (!(opt.flags & FLAG_QUIET))
			printf("Failed to get SMBIOS data from sysfs.\n");
	}

	/* Next try EFI (ia64, Intel-based Mac) */
	efi = address_from_efi(&fp);
	switch (efi)
	{
		case EFI_NOT_FOUND:
			goto memory_scan;
		case EFI_NO_SMBIOS:
			ret = 1;
			goto exit_free;
	}

	if (!(opt.flags & FLAG_QUIET))
		printf("Found SMBIOS entry point in EFI, reading table from %s.\n",
		       opt.devmem);
	if ((buf = mem_chunk(fp, 0x20, opt.devmem)) == NULL)
	{
		ret = 1;
		goto exit_free;
	}

	if (memcmp(buf, "_SM3_", 5) == 0)
	{
		if (smbios3_decode(buf, opt.devmem, 0))
			found++;
	}
	else if (memcmp(buf, "_SM_", 4) == 0)
	{
		if (smbios_decode(buf, opt.devmem, 0))
			found++;
	}
	goto done;

memory_scan:
	if (!(opt.flags & FLAG_QUIET))
		printf("Scanning %s for entry point.\n", opt.devmem);
	/* Fallback to memory scan (x86, x86_64) */
	if ((buf = mem_chunk(0xF0000, 0x10000, opt.devmem)) == NULL)
	{
		ret = 1;
		goto exit_free;
	}

	/* Look for a 64-bit entry point first */
	for (fp = 0; fp <= 0xFFE0; fp += 16)
	{
		if (memcmp(buf + fp, "_SM3_", 5) == 0)
		{
			if (smbios3_decode(buf + fp, opt.devmem, 0))
			{
				found++;
				goto done;
			}
		}
	}

	/* If none found, look for a 32-bit entry point */
	for (fp = 0; fp <= 0xFFF0; fp += 16)
	{
		if (memcmp(buf + fp, "_SM_", 4) == 0 && fp <= 0xFFE0)
		{
			if (smbios_decode(buf + fp, opt.devmem, 0))
			{
				found++;
				goto done;
			}
		}
		else if (memcmp(buf + fp, "_DMI_", 5) == 0)
		{
			if (legacy_decode(buf + fp, opt.devmem, 0))
			{
				found++;
				goto done;
			}
		}
	}

done:
	if (!found && !(opt.flags & FLAG_QUIET))
		printf("# No SMBIOS nor DMI entry point found, sorry.\n");

	free(buf);
exit_free:
	free(opt.type);

	return ret;
}