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-rw-r--r--biosdecode.c34
1 files changed, 33 insertions, 1 deletions
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 }
};