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authorPhilipp Deppenwiese <zaolin@das-labor.org>2016-08-26 02:10:51 +0200
committerPatrick Rudolph <siro@das-labor.org>2017-11-25 12:59:54 +0000
commit73add175cd866a5acd2bddb662080d6b03179d8b (patch)
tree55dbfd0fb2986ea4874d13c7459a4ff04e5aad3c /util/intelmetool/msr.h
parent5e9dc37818a017fd5cccba65b9268d715e414380 (diff)
downloadcoreboot-73add175cd866a5acd2bddb662080d6b03179d8b.tar.xz
util/intelmetool: Add bootguard information dump support
With this implementation it's possible to detect the state of bootguard in intel based systems. Currently it's WIP and in a testphase. Handle it with care! Changes done: * Add support for reading msr * Read ME firmware version * Print bootguard state for ME > 9.1 * Make argument -s legacy * Add argument -b for bootguard (and ME) dumping * Add argument -m for ME dumping * Opt out early if CPU is non Intel Change-Id: Ifeec8e20fa8efc35d7db4c6a84be1f118dccfc4a Signed-off-by: Philipp Deppenwiese <zaolin@das-labor.org> Signed-off-by: Patrick Rudolph <siro@das-labor.org> Reviewed-on: https://review.coreboot.org/16328 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Philipp Deppenwiese <zaolin.daisuki@gmail.com>
Diffstat (limited to 'util/intelmetool/msr.h')
-rw-r--r--util/intelmetool/msr.h30
1 files changed, 30 insertions, 0 deletions
diff --git a/util/intelmetool/msr.h b/util/intelmetool/msr.h
new file mode 100644
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+++ b/util/intelmetool/msr.h
@@ -0,0 +1,30 @@
+/* intelmetool
+ *
+ * Copyright (C) 2013-2016 Philipp Deppenwiese <zaolin@das-labor.org>
+ * Copyright (C) 2013-2016 Alexander Couzens <lynxis@fe80.eu>
+ *
+ * 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 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.
+ */
+
+#include <inttypes.h>
+
+#ifndef __DARWIN__
+
+#define MSR_BOOTGUARD 0x13A
+
+typedef struct {
+ unsigned int ebx;
+ unsigned int edx;
+ unsigned int ecx;
+} regs_t;
+
+extern int msr_bootguard(uint64_t *msr, int debug);
+#endif