X-Git-Url: https://git.proxmox.com/?p=mirror_edk2.git;a=blobdiff_plain;f=UefiCpuPkg%2FInclude%2FRegister%2FMsr%2FHaswellMsr.h;h=3cd15846b4fd2e19d8eb64d01c5265589faa52f3;hp=8bf2c38a40616dea60d3a6215bdb0d408082bdee;hb=f4c982bf095307fc598cf07f7b157831030b77f1;hpb=30d995ee083653a408df8ee1a3e37198f5b1454e

diff --git a/UefiCpuPkg/Include/Register/Msr/HaswellMsr.h b/UefiCpuPkg/Include/Register/Msr/HaswellMsr.h
index 8bf2c38a40..3cd15846b4 100644
--- a/UefiCpuPkg/Include/Register/Msr/HaswellMsr.h
+++ b/UefiCpuPkg/Include/Register/Msr/HaswellMsr.h
@@ -6,7 +6,7 @@
   returned is a single 32-bit or 64-bit value, then a data structure is not
   provided for that MSR.
 
-  Copyright (c) 2016, Intel Corporation. All rights reserved.<BR>
+  Copyright (c) 2016 - 2017, Intel Corporation. All rights reserved.<BR>
   This program and the accompanying materials
   are licensed and made available under the terms and conditions of the BSD License
   which accompanies this distribution.  The full text of the license may be found at
@@ -26,6 +26,24 @@
 
 #include <Register/ArchitecturalMsr.h>
 
+/**
+  Is Intel processors based on the Haswell microarchitecture?
+
+  @param   DisplayFamily  Display Family ID
+  @param   DisplayModel   Display Model ID
+
+  @retval  TRUE   Yes, it is.
+  @retval  FALSE  No, it isn't.
+**/
+#define IS_HASWELL_PROCESSOR(DisplayFamily, DisplayModel) \
+  (DisplayFamily == 0x06 && \
+   (                        \
+    DisplayModel == 0x3C || \
+    DisplayModel == 0x45 || \
+    DisplayModel == 0x46    \
+    )                       \
+   )
+
 /**
   Package.