UefiCpuPkg/Msr: Add CPUID signature check MACROs

[mirror_edk2.git] / UefiCpuPkg / Include / Register / Msr / Pentium4Msr.h

diff --git a/UefiCpuPkg/Include/Register/Msr/Pentium4Msr.h b/UefiCpuPkg/Include/Register/Msr/Pentium4Msr.h
index 6cf68b24b3be7d39d7e32da3a85a99c3f5a51901..8922d56e2f19d764504f77535749689c02d9e5ca 100644 (file)
--- a/UefiCpuPkg/Include/Register/Msr/Pentium4Msr.h
+++ b/UefiCpuPkg/Include/Register/Msr/Pentium4Msr.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 +26,19 @@
 \r
 #include <Register/ArchitecturalMsr.h>\r
 \r
+/**\r
+  Is Pentium(R) 4 Processors?\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_PENTIUM_4_PROCESSOR(DisplayFamily, DisplayModel) \\r
+  (DisplayFamily == 0x0F \\r
+   )\r
+\r
 /**\r
   3, 4, 6. Shared. See Section 8.10.5, "Monitor/Mwait Address Range\r
   Determination.".\r