1. Read 32bit CPU Init APIC ID from CPUID leaf B in XAPIC mode.

[mirror_edk2.git] / UefiCpuPkg / Include / Register / LocalApic.h

diff --git a/UefiCpuPkg/Include/Register/LocalApic.h b/UefiCpuPkg/Include/Register/LocalApic.h
index bb0e211dc7e1b106ee00a544108cf039fcb788c2..f49e8f542f84fe1dfc48a6e2930722b3cbccbff6 100644 (file)
--- a/UefiCpuPkg/Include/Register/LocalApic.h
+++ b/UefiCpuPkg/Include/Register/LocalApic.h
@@ -1,7 +1,7 @@
 /** @file\r
   IA32 Local APIC Definitions.\r
 \r
-  Copyright (c) 2010 - 2011, Intel Corporation. All rights reserved.<BR>\r
+  Copyright (c) 2010 - 2013, 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
@@ -23,7 +23,9 @@
 //\r
 // Definitions for CPUID instruction\r
 //\r
+#define CPUID_SIGNATURE                         0x0\r
 #define CPUID_VERSION_INFO                      0x1\r
+#define CPUID_EXTENDED_TOPOLOGY                 0xB\r
 #define CPUID_EXTENDED_FUNCTION                 0x80000000\r
 #define CPUID_VIR_PHY_ADDRESS_SIZE              0x80000008\r
 \r