Patch set updated for coreboot: msrtool: use a bit more clever cpuid vendor match

[Lubomir Rintel]

Lubomir Rintel ([e-mail]) just uploaded a new patch set to gerrit, which you can find at https://review.coreboot.org/18255

-gerrit

commit 0ade8d1b35858f97ae6a183e678f9011476166ad
Author: Lubomir Rintel 
Date:   Sun Jan 22 22:19:21 2017 +0100

msrtool: use a bit more clever cpuid vendor match

Not everything non-intel is AMD.

Change-Id: I06d6fbaa0b4f2c9e61d9b3b4aeeb349a91aa090e
    Signed-off-by: Lubomir Rintel 
---
 util/msrtool/msrtool.h | 4 ++--
 util/msrtool/sys.c     | 8 ++++----
 2 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/util/msrtool/msrtool.h b/util/msrtool/msrtool.h
index fe7f0f0..6565fff 100644
--- a/util/msrtool/msrtool.h
+++ b/util/msrtool/msrtool.h
@@ -94,8 +94,8 @@ struct msrdef {
 #define MAX_CORES 8

typedef enum {
-	VENDOR_INTEL = 1,
-	VENDOR_AMD = 2,
+	VENDOR_INTEL = 0x756e6547,
+	VENDOR_AMD = 0x68747541,
 } vendor_t;

struct cpuid_t {
diff --git a/util/msrtool/sys.c b/util/msrtool/sys.c
index cb300d9..0ab880d 100644
--- a/util/msrtool/sys.c
+++ b/util/msrtool/sys.c
@@ -36,7 +36,7 @@ struct cpuid_t *cpuid(void) {
    asm ("cpuid" : "=b" (outebx) : "a" (0) : "%ecx", "%edx");
 #endif

-	id.vendor = (outebx == 0x756e6547) ? VENDOR_INTEL : VENDOR_AMD;
+	id.vendor = outebx;

/* Then, identificate CPU itself */
 #if defined(__DARWIN__) && !defined(__LP64__)
@@ -58,9 +58,9 @@ struct cpuid_t *cpuid(void) {
    outeax >>= 8;
    id.ext_model = outeax & 0xf;
    outeax >>= 4;
-	id.ext_family = outeax & 0xff;
-	if ((0xf == id.family) || ((VENDOR_INTEL == id.vendor)
-			&& (0x6 == id.family))) {
+	id.ext_family = outeax & 0xfe;
+	if ((VENDOR_AMD == id.vendor && 0xf == id.family) ||
+	    (VENDOR_INTEL == id.vendor && 0x6 == id.family)) {
    	/* Intel says always do this, AMD says only for family f */
    	id.model |= (id.ext_model << 4);
    	id.family += id.ext_family;