[patch 0/9] x86: AMD microcode patch loading support

[Peter Oruba]

This patch set introduces microcode patch loading support for AMD processors. It includes refactoring
of existing code to allow code sharing. Vendor specific code has been split off, leading to a
multi-module solution as compared to the current single-module approach.

Thanks,

Peter Oruba

--
Advanced Micro Devices, Inc.
Operating System Research Center
email: peter.oruba@xxxxxxx
>From peter.oruba@xxxxxxx Fri Jul 25 18:20:02 2008
Message-Id: <20080725162001.917239960@xxxxxxx>
User-Agent: quilt/0.46_cvs20080326-19.1
Date: Fri, 25 Jul 2008 18:17:24 +0200
From: Peter Oruba <peter.oruba@xxxxxxx>
To: Ingo Molnar <mingo@xxxxxxx>,
 Thomas Gleixner <tglx@xxxxxxxxxxxxx>,
 Tigran Aivazian <tigran@xxxxxxxxxxxxxxxxxxxx>
Cc: LKML <linux-kernel@xxxxxxxxxxxxxxx>,
 Peter Oruba <peter.oruba@xxxxxxx>
Bcc: osrc-patches@xxxxxxxxxxxx
Subject: [patch 1/9] [PATCH 1/9] x86: Moved Intel microcode patch loader declarations to seperate header file.
References: <20080725161723.636932280@xxxxxxx>
Content-Disposition: inline; filename=0001-x86-Moved-Intel-microcode-patch-loader-declarations.patch

Intel specific microcode declarations have been moved to a seperate header file.
There are no code changes to the code itself and no side effects to other parts.

Signed-off-by: Peter Oruba <peter.oruba@xxxxxxx>
---
 arch/x86/kernel/microcode.c |    1 +
 include/asm-x86/microcode.h |   34 ++++++++++++++++++++++++++++++++++
 include/asm-x86/processor.h |   35 -----------------------------------
 3 files changed, 35 insertions(+), 35 deletions(-)
 create mode 100644 include/asm-x86/microcode.h

diff --git a/arch/x86/kernel/microcode.c b/arch/x86/kernel/microcode.c
index 56b9331..230ca7e 100644
--- a/arch/x86/kernel/microcode.c
+++ b/arch/x86/kernel/microcode.c
@@ -93,6 +93,7 @@
 #include <asm/msr.h>
 #include <asm/uaccess.h>
 #include <asm/processor.h>
+#include <asm/microcode.h>
 
 MODULE_DESCRIPTION("Intel CPU (IA-32) Microcode Update Driver");
 MODULE_AUTHOR("Tigran Aivazian <tigran@xxxxxxxxxxxxxxxxxxxx>");
diff --git a/include/asm-x86/microcode.h b/include/asm-x86/microcode.h
new file mode 100644
index 0000000..5a05568
--- /dev/null
+++ b/include/asm-x86/microcode.h
@@ -0,0 +1,34 @@
+struct microcode_header {
+	unsigned int            hdrver;
+	unsigned int            rev;
+	unsigned int            date;
+	unsigned int            sig;
+	unsigned int            cksum;
+	unsigned int            ldrver;
+	unsigned int            pf;
+	unsigned int            datasize;
+	unsigned int            totalsize;
+	unsigned int            reserved[3];
+};
+
+struct microcode {
+	struct microcode_header hdr;
+	unsigned int            bits[0];
+};
+
+typedef struct microcode          microcode_t;
+typedef struct microcode_header   microcode_header_t;
+
+/* microcode format is extended from prescott processors */
+struct extended_signature {
+	unsigned int            sig;
+	unsigned int            pf;
+	unsigned int            cksum;
+};
+
+struct extended_sigtable {
+	unsigned int            count;
+	unsigned int            cksum;
+	unsigned int            reserved[3];
+	struct extended_signature sigs[0];
+};
diff --git a/include/asm-x86/processor.h b/include/asm-x86/processor.h
index 15cb82a..f3c5c93 100644
--- a/include/asm-x86/processor.h
+++ b/include/asm-x86/processor.h
@@ -561,41 +561,6 @@ static inline void clear_in_cr4(unsigned long mask)
 	write_cr4(cr4);
 }
 
-struct microcode_header {
-	unsigned int		hdrver;
-	unsigned int		rev;
-	unsigned int		date;
-	unsigned int		sig;
-	unsigned int		cksum;
-	unsigned int		ldrver;
-	unsigned int		pf;
-	unsigned int		datasize;
-	unsigned int		totalsize;
-	unsigned int		reserved[3];
-};
-
-struct microcode {
-	struct microcode_header	hdr;
-	unsigned int		bits[0];
-};
-
-typedef struct microcode	microcode_t;
-typedef struct microcode_header	microcode_header_t;
-
-/* microcode format is extended from prescott processors */
-struct extended_signature {
-	unsigned int		sig;
-	unsigned int		pf;
-	unsigned int		cksum;
-};
-
-struct extended_sigtable {
-	unsigned int		count;
-	unsigned int		cksum;
-	unsigned int		reserved[3];
-	struct extended_signature sigs[0];
-};
-
 typedef struct {
 	unsigned long		seg;
 } mm_segment_t;
-- 
1.5.4.5




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