diff options
| -rw-r--r-- | CHANGELOG | 5 | ||||
| -rw-r--r-- | biosdecode.c | 34 |
2 files changed, 38 insertions, 1 deletions
@@ -1,5 +1,10 @@ 2017-01-20 Jean Delvare <jdelvare@suse.de> + * biosdecode.c: Decode the entry point defined in the Intel + Multiprocessor specification. + +2017-01-20 Jean Delvare <jdelvare@suse.de> + * dmidecode.c: Only decode one DMI table. This fixes Savannah bug #50022: https://savannah.nongnu.org/bugs/?50022 diff --git a/biosdecode.c b/biosdecode.c index 3bbfe28..ad3d4bc 100644 --- a/biosdecode.c +++ b/biosdecode.c @@ -2,7 +2,7 @@ * BIOS Decode * * Copyright (C) 2000-2002 Alan Cox <alan@redhat.com> - * Copyright (C) 2002-2015 Jean Delvare <jdelvare@suse.de> + * 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 @@ -52,6 +52,9 @@ * - Fujitsu application panel technical details * As of July 23rd, 2004 * http://apanel.sourceforge.net/tech.php + * - Intel Multiprocessor Specification + * Version 1.4 + * http://www.intel.com/design/archives/processors/pro/docs/242016.htm */ #include <stdio.h> @@ -546,6 +549,34 @@ static int fjkeyinf_decode(const u8 *p, size_t len) } /* + * Intel Multiprocessor + */ + +static size_t mp_length(const u8 *p) +{ + return 16 * p[8]; +} + +static int mp_decode(const u8 *p, size_t len) +{ + if (!checksum(p, len)) + return 0; + + printf("Intel Multiprocessor present.\n"); + printf("\tSpecification Revision: %s\n", + p[9] == 0x01 ? "1.1" : p[9] == 0x04 ? "1.4" : "Invalid"); + if (p[11]) + printf("\tDefault Configuration: #%d\n", p[11]); + else + printf("\tConfiguration Table Address: 0x%08X\n", + DWORD(p + 4)); + printf("\tMode: %s\n", p[12] & (1 << 7) ? + "IMCR and PIC" : "Virtual Wire"); + + return 1; +} + +/* * Main */ @@ -562,6 +593,7 @@ static struct bios_entry bios_entries[] = { { "32OS", 0, 0xE0000, 0xFFFFF, compaq_length, compaq_decode }, { "\252\125VPD", 0, 0xF0000, 0xFFFFF, vpd_length, vpd_decode }, { "FJKEYINF", 0, 0xF0000, 0xFFFFF, fjkeyinf_length, fjkeyinf_decode }, + { "_MP_", 0, 0xE0000, 0xFFFFF, mp_length, mp_decode }, { NULL, 0, 0, 0, NULL, NULL } }; |