UefiCpuPkg/Msr: Add CPUID signature check MACROs

[mirror_edk2.git] / UefiCpuPkg / Include / Register / Msr / SandyBridgeMsr.h

diff --git a/UefiCpuPkg/Include/Register/Msr/SandyBridgeMsr.h b/UefiCpuPkg/Include/Register/Msr/SandyBridgeMsr.h
index 1819ecb66ce4e69fe3cfb5672ca0bd9571912523..c8a0b971d39469e0a2be54e21a48bda7fbe3233b 100644 (file)
--- a/UefiCpuPkg/Include/Register/Msr/SandyBridgeMsr.h
+++ b/UefiCpuPkg/Include/Register/Msr/SandyBridgeMsr.h
@@ -6,7 +6,7 @@
   returned is a single 32-bit or 64-bit value, then a data structure is not\r
   provided for that MSR.\r
 \r
-  Copyright (c) 2016, Intel Corporation. All rights reserved.<BR>\r
+  Copyright (c) 2016 - 2017, Intel Corporation. All rights reserved.<BR>\r
   This program and the accompanying materials\r
   are licensed and made available under the terms and conditions of the BSD License\r
   which accompanies this distribution.  The full text of the license may be found at\r
@@ -26,6 +26,23 @@
 \r
 #include <Register/ArchitecturalMsr.h>\r
 \r
+/**\r
+  Is Intel processors based on the Sandy Bridge microarchitecture?\r
+\r
+  @param   DisplayFamily  Display Family ID\r
+  @param   DisplayModel   Display Model ID\r
+\r
+  @retval  TRUE   Yes, it is.\r
+  @retval  FALSE  No, it isn't.\r
+**/\r
+#define IS_SANDY_BRIDGE_PROCESSOR(DisplayFamily, DisplayModel) \\r
+  (DisplayFamily == 0x06 && \\r
+   (                        \\r
+    DisplayModel == 0x2A || \\r
+    DisplayModel == 0x2D    \\r
+    )                       \\r
+   )\r
+\r
 /**\r
   Thread. SMI Counter (R/O).\r
 \r