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git.proxmox.com Git - mirror_edk2.git/blob - UefiCpuPkg/Include/Register/Cpuid.h
4 CPUID definitions based on contents of the Intel(R) 64 and IA-32 Architectures
5 Software Developer's Manual, Volume 2A, CPUID instruction.
7 Copyright (c) 2015, Intel Corporation. All rights reserved.<BR>
8 This program and the accompanying materials
9 are licensed and made available under the terms and conditions of the BSD License
10 which accompanies this distribution. The full text of the license may be found at
11 http://opensource.org/licenses/bsd-license.php
13 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
14 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
22 // Definitions for CPUID instruction
24 #define CPUID_SIGNATURE 0x0
26 #define CPUID_VERSION_INFO 0x1
28 #define CPUID_CACHE_INFO 0x2
30 #define CPUID_SERIAL_NUMBER 0x3
32 #define CPUID_CACHE_PARAMS 0x4
34 #define CPUID_MONITOR_MWAIT 0x5
36 #define CPUID_EXTENDED_TOPOLOGY 0xB
37 #define CPUID_EXTENDED_TOPOLOGY_LEVEL_TYPE_INVALID 0x0
38 #define CPUID_EXTENDED_TOPOLOGY_LEVEL_TYPE_SMT 0x1
39 #define CPUID_EXTENDED_TOPOLOGY_LEVEL_TYPE_CORE 0x2
41 #define CPUID_EXTENDED_FUNCTION 0x80000000
43 #define CPUID_EXTENDED_CPU_SIG 0x80000001
45 #define CPUID_BRAND_STRING1 0x80000002
47 #define CPUID_BRAND_STRING2 0x80000003
49 #define CPUID_BRAND_STRING3 0x80000004
51 #define CPUID_VIR_PHY_ADDRESS_SIZE 0x80000008