22 * BIOS Decode
33 *
44 * Copyright (C) 2000-2002 Alan Cox <alan@redhat.com>
5- * Copyright (C) 2002-2015 Jean Delvare <jdelvare@suse.de>
5+ * Copyright (C) 2002-2017 Jean Delvare <jdelvare@suse.de>
66 *
77 * This program is free software; you can redistribute it and/or modify
88 * it under the terms of the GNU General Public License as published by
5252 * - Fujitsu application panel technical details
5353 * As of July 23rd, 2004
5454 * http://apanel.sourceforge.net/tech.php
55+ * - Intel Multiprocessor Specification
56+ * Version 1.4
57+ * http://www.intel.com/design/archives/processors/pro/docs/242016.htm
5558 */
5659
5760#include <stdio.h>
@@ -545,6 +548,34 @@ static int fjkeyinf_decode(const u8 *p, size_t len)
545548 return 1 ;
546549}
547550
551+ /*
552+ * Intel Multiprocessor
553+ */
554+ 555+ static size_t mp_length (const u8 * p )
556+ {
557+ return 16 * p [8 ];
558+ }
559+ 560+ static int mp_decode (const u8 * p , size_t len )
561+ {
562+ if (!checksum (p , len ))
563+ return 0 ;
564+ 565+ printf ("Intel Multiprocessor present.\n" );
566+ printf ("\tSpecification Revision: %s\n" ,
567+ p [9 ] == 0x01 ? "1.1" : p [9 ] == 0x04 ? "1.4" : "Invalid" );
568+ if (p [11 ])
569+ printf ("\tDefault Configuration: #%d\n" , p [11 ]);
570+ else
571+ printf ("\tConfiguration Table Address: 0x%08X\n" ,
572+ DWORD (p + 4 ));
573+ printf ("\tMode: %s\n" , p [12 ] & (1 << 7 ) ?
574+ "IMCR and PIC" : "Virtual Wire" );
575+ 576+ return 1 ;
577+ }
578+ 548579/*
549580 * Main
550581 */
@@ -562,6 +593,7 @@ static struct bios_entry bios_entries[] = {
562593 { "32OS" , 0 , 0xE0000 , 0xFFFFF , compaq_length , compaq_decode },
563594 { "252円125円VPD" , 0 , 0xF0000 , 0xFFFFF , vpd_length , vpd_decode },
564595 { "FJKEYINF" , 0 , 0xF0000 , 0xFFFFF , fjkeyinf_length , fjkeyinf_decode },
596+ { "_MP_" , 0 , 0xE0000 , 0xFFFFF , mp_length , mp_decode },
565597 { NULL , 0 , 0 , 0 , NULL , NULL }
566598};
567599
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