Add CPUID leaf and sub-leaf indexes and structures as described by Intel(R) 64 and IA-32 Architectures Software Developer's Manual, Volume 2A, December 2015, CPUID instruction.
Cc: Jeff Fan <[email protected]> Cc: Jiewen Yao <[email protected]> Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Michael Kinney <[email protected]> --- UefiCpuPkg/Include/Register/Cpuid.h | 3120 ++++++++++++++++++++++++++++++++++- 1 file changed, 3097 insertions(+), 23 deletions(-) diff --git a/UefiCpuPkg/Include/Register/Cpuid.h b/UefiCpuPkg/Include/Register/Cpuid.h index f8ff247..4a5bc73 100644 --- a/UefiCpuPkg/Include/Register/Cpuid.h +++ b/UefiCpuPkg/Include/Register/Cpuid.h @@ -1,53 +1,3127 @@ /** @file -CPUID Definitions. + CPUID leaf definitions. -CPUID definitions based on contents of the Intel(R) 64 and IA-32 Architectures -Software Developer's Manual, Volume 2A, CPUID instruction. + Provides defines for CPUID leaf indexes. Data structures are provided for + registers returned by a CPUID leaf that contain one or more bit fields. + If a register returned is a single 32-bit value, then a data structure is + not provided for that register. -Copyright (c) 2015, 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 -http://opensource.org/licenses/bsd-license.php + Copyright (c) 2015 - 2016, 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 + http://opensource.org/licenses/bsd-license.php -THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, -WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. + THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, + WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. + + @par Specification Reference: + Intel(R) 64 and IA-32 Architectures Software Developer's Manual, Volume 2A, + December 2015, CPUID instruction. **/ #ifndef __CPUID_H__ #define __CPUID_H__ -// -// Definitions for CPUID instruction -// -#define CPUID_SIGNATURE 0x0 +/** + CPUID Signature Information + + @param EAX CPUID_SIGNATURE (0x00) + + @retval EAX Returns the highest value the CPUID instruction recognizes for + returning basic processor information. The value is returned is + processor specific. + @retval EBX First 4 characters of a vendor identification string. + @retval ECX Last 4 characters of a vendor identification string. + @retval EDX Middle 4 characters of a vendor identification string. + + <b>Example usage</b> + @code + UINT32 Eax; + UINT32 Ebx; + UINT32 Ecx; + UINT32 Edx; + + AsmCpuid (CPUID_SIGNATURE, &Eax, &Ebx, &Ecx, &Edx); + @endcode +**/ +#define CPUID_SIGNATURE 0x00 + +/// +/// @{ CPUID signature values returned by Intel processors +/// +#define CPUID_SIGNATURE_GENUINE_INTEL_EBX SIGNATURE_32 ('G', 'e', 'n', 'u') +#define CPUID_SIGNATURE_GENUINE_INTEL_EDX SIGNATURE_32 ('i', 'n', 'e', 'I') +#define CPUID_SIGNATURE_GENUINE_INTEL_ECX SIGNATURE_32 ('n', 't', 'e', 'l') +/// +/// @} +/// + + +/** + CPUID Version Information + + @param EAX CPUID_VERSION_INFO (0x01) + + @retval EAX Returns Model, Family, Stepping Information described by the + type CPUID_VERSION_INFO_EAX. + @retval EBX Returns Brand, Cache Line Size, and Initial APIC ID described by + the type CPUID_VERSION_INFO_EBX. + @retval ECX CPU Feature Information described by the type + CPUID_VERSION_INFO_ECX. + @retval EDX CPU Feature Information described by the type + CPUID_VERSION_INFO_EDX. + + <b>Example usage</b> + @code + CPUID_VERSION_INFO_EAX Eax; + CPUID_VERSION_INFO_EBX Ebx; + CPUID_VERSION_INFO_ECX Ecx; + CPUID_VERSION_INFO_EDX Edx; + + AsmCpuid (CPUID_VERSION_INFO, &Eax.Uint32, &Ebx.Uint32, &Ecx.Uint32, &Edx.Uint32); + @endcode +**/ +#define CPUID_VERSION_INFO 0x01 + +/** + CPUID Version Information returned in EAX for CPUID leaf + #CPUID_VERSION_INFO. +**/ +typedef union { + /// + /// Individual bit fields + /// + struct { + UINT32 SteppingId:4; ///< [Bits 3:0] Stepping ID + UINT32 Model:4; ///< [Bits 7:4] Model + UINT32 FamilyId:4; ///< [Bits 11:8] Family + UINT32 ProcessorType:2; ///< [Bits 13:12] Processor Type + UINT32 Reserved1:2; ///< [Bits 15:14] Reserved + UINT32 ExtendedModelId:4; ///< [Bits 19:16] Extended Model ID + UINT32 ExtendedFamilyId:8; ///< [Bits 27:20] Extended Family ID + UINT32 Reserved2:4; ///< Reserved + } Bits; + /// + /// All bit fields as a 32-bit value + /// + UINT32 Uint32; +} CPUID_VERSION_INFO_EAX; + +/// +/// @{ Define value for bit field CPUID_VERSION_INFO_EAX.ProcessorType +/// +#define CPUID_VERSION_INFO_EAX_PROCESSOR_TYPE_ORIGINAL_OEM_PROCESSOR 0x00 +#define CPUID_VERSION_INFO_EAX_PROCESSOR_TYPE_INTEL_OVERDRIVE_PROCESSOR 0x01 +#define CPUID_VERSION_INFO_EAX_PROCESSOR_TYPE_DUAL_PROCESSOR 0x02 +/// +/// @} +/// + +/** + CPUID Version Information returned in EBX for CPUID leaf + #CPUID_VERSION_INFO. +**/ +typedef union { + /// + /// Individual bit fields + /// + struct { + /// + /// [Bits 7:0] Provides an entry into a brand string table that contains + /// brand strings for IA-32 processors. + /// + UINT32 BrandIndex:8; + /// + /// [Bits 15:8] Indicates the size of the cache line flushed by the CLFLUSH + /// and CLFLUSHOPT instructions in 8-byte increments. This field was + /// introduced in the Pentium 4 processor. + /// + UINT32 CacheLineSize:8; + /// + /// [Bits 23:16] Maximum number of addressable IDs for logical processors + /// in this physical package. + /// + /// @note + /// The nearest power-of-2 integer that is not smaller than EBX[23:16] is + /// the number of unique initial APICIDs reserved for addressing different + /// logical processors in a physical package. This field is only valid if + /// CPUID.1.EDX.HTT[bit 28]= 1. + /// + UINT32 MaximumAddressableIdsForLogicalProcessors:8; + /// + /// [Bits 31:24] The 8-bit ID that is assigned to the local APIC on the + /// processor during power up. This field was introduced in the Pentium 4 + /// processor. + /// + UINT32 InitialLocalApicId:8; + } Bits; + /// + /// All bit fields as a 32-bit value + /// + UINT32 Uint32; +} CPUID_VERSION_INFO_EBX; + +/** + CPUID Version Information returned in ECX for CPUID leaf + #CPUID_VERSION_INFO. +**/ +typedef union { + /// + /// Individual bit fields + /// + struct { + /// + /// [Bit 0] Streaming SIMD Extensions 3 (SSE3). A value of 1 indicates the + /// processor supports this technology + /// + UINT32 SSE3:1; + /// + /// [Bit 1] A value of 1 indicates the processor supports the PCLMULQDQ + /// instruction. Carryless Multiplication + /// + UINT32 PCLMULQDQ:1; + /// + /// [Bit 2] 64-bit DS Area. A value of 1 indicates the processor supports + /// DS area using 64-bit layout. + /// + UINT32 DTES64:1; + /// + /// [Bit 3] MONITOR/MWAIT. A value of 1 indicates the processor supports + /// this feature. + /// + UINT32 MONITOR:1; + /// + /// [Bit 4] CPL Qualified Debug Store. A value of 1 indicates the processor + /// supports the extensions to the Debug Store feature to allow for branch + /// message storage qualified by CPL + /// + UINT32 DS_CPL:1; + /// + /// [Bit 5] Virtual Machine Extensions. A value of 1 indicates that the + /// processor supports this technology. + /// + UINT32 VMX:1; + /// + /// [Bit 6] Safer Mode Extensions. A value of 1 indicates that the processor + /// supports this technology + /// + UINT32 SMX:1; + /// + /// [Bit 7] Enhanced Intel SpeedStep(R) technology. A value of 1 indicates + /// that the processor supports this technology + /// + UINT32 EIST:1; + /// + /// [Bit 8] Thermal Monitor 2. A value of 1 indicates whether the processor + /// supports this technology + /// + UINT32 TM2:1; + /// + /// [Bit 9] A value of 1 indicates the presence of the Supplemental Streaming + /// SIMD Extensions 3 (SSSE3). A value of 0 indicates the instruction + /// extensions are not present in the processor. + /// + UINT32 SSSE3:1; + /// + /// [Bit 10] L1 Context ID. A value of 1 indicates the L1 data cache mode + /// can be set to either adaptive mode or shared mode. A value of 0 indicates + /// this feature is not supported. See definition of the IA32_MISC_ENABLE MSR + /// Bit 24 (L1 Data Cache Context Mode) for details + /// + UINT32 CNXT_ID:1; + /// + /// [Bit 11] A value of 1 indicates the processor supports IA32_DEBUG_INTERFACE + /// MSR for silicon debug + /// + UINT32 SDBG:1; + /// + /// [Bit 12] A value of 1 indicates the processor supports FMA (Fused Multiple + /// Add) extensions using YMM state. + /// + UINT32 FMA:1; + /// + /// [Bit 13] CMPXCHG16B Available. A value of 1 indicates that the feature + /// is available. + /// + UINT32 CMPXCHG16B:1; + /// + /// [Bit 14] xTPR Update Control. A value of 1 indicates that the processor + /// supports changing IA32_MISC_ENABLE[Bit 23]. + /// + UINT32 xTPR_Update_Control:1; + /// + /// [Bit 15] Perfmon and Debug Capability: A value of 1 indicates the + /// processor supports the performance and debug feature indication MSR + /// IA32_PERF_CAPABILITIES. + /// + UINT32 PDCM:1; + UINT32 Reserved:1; + /// + /// [Bit 17] Process-context identifiers. A value of 1 indicates that the + /// processor supports PCIDs and that software may set CR4.PCIDE to 1. + /// + UINT32 PCID:1; + /// + /// [Bit 18] A value of 1 indicates the processor supports the ability to + /// prefetch data from a memory mapped device. Direct Cache Access. + /// + UINT32 DCA:1; + /// + /// [Bit 19] A value of 1 indicates that the processor supports SSE4.1. + /// + UINT32 SSE4_1:1; + /// + /// [Bit 20] A value of 1 indicates that the processor supports SSE4.2. + /// + UINT32 SSE4_2:1; + /// + /// [Bit 21] A value of 1 indicates that the processor supports x2APIC + /// feature. + /// + UINT32 x2APIC:1; + /// + /// [Bit 22] A value of 1 indicates that the processor supports MOVBE + /// instruction. + /// + UINT32 MOVBE:1; + /// + /// [Bit 23] A value of 1 indicates that the processor supports the POPCNT + /// instruction. + /// + UINT32 POPCNT:1; + /// + /// [Bit 24] A value of 1 indicates that the processor's local APIC timer + /// supports one-shot operation using a TSC deadline value. + /// + UINT32 TSC_Deadline:1; + /// + /// [Bit 25] A value of 1 indicates that the processor supports the AESNI + /// instruction extensions. + /// + UINT32 AESNI:1; + /// + /// [Bit 26] A value of 1 indicates that the processor supports the + /// XSAVE/XRSTOR processor extended states feature, the XSETBV/XGETBV + /// instructions, and XCR0. + /// + UINT32 XSAVE:1; + /// + /// [Bit 27] A value of 1 indicates that the OS has set CR4.OSXSAVE[Bit 18] + /// to enable XSETBV/XGETBV instructions to access XCR0 and to support + /// processor extended state management using XSAVE/XRSTOR. + /// + UINT32 OSXSAVE:1; + /// + /// [Bit 28] A value of 1 indicates the processor supports the AVX instruction + /// extensions. + /// + UINT32 AVX:1; + /// + /// [Bit 29] A value of 1 indicates that processor supports 16-bit + /// floating-point conversion instructions. + /// + UINT32 F16C:1; + /// + /// [Bit 30] A value of 1 indicates that processor supports RDRAND instruction. + /// + UINT32 RDRAND:1; + /// + /// [Bit 31] Always returns 0. + /// + UINT32 NotUsed:1; + } Bits; + /// + /// All bit fields as a 32-bit value + /// + UINT32 Uint32; +} CPUID_VERSION_INFO_ECX; + +/** + CPUID Version Information returned in EDX for CPUID leaf + #CPUID_VERSION_INFO. +**/ +typedef union { + /// + /// Individual bit fields + /// + struct { + /// + /// [Bit 0] Floating Point Unit On-Chip. The processor contains an x87 FPU. + /// + UINT32 FPU:1; + /// + /// [Bit 1] Virtual 8086 Mode Enhancements. Virtual 8086 mode enhancements, + /// including CR4.VME for controlling the feature, CR4.PVI for protected + /// mode virtual interrupts, software interrupt indirection, expansion of + /// the TSS with the software indirection bitmap, and EFLAGS.VIF and + /// EFLAGS.VIP flags. + /// + UINT32 VME:1; + /// + /// [Bit 2] Debugging Extensions. Support for I/O breakpoints, including + /// CR4.DE for controlling the feature, and optional trapping of accesses to + /// DR4 and DR5. + /// + UINT32 DE:1; + /// + /// [Bit 3] Page Size Extension. Large pages of size 4 MByte are supported, + /// including CR4.PSE for controlling the feature, the defined dirty bit in + /// PDE (Page Directory Entries), optional reserved bit trapping in CR3, + /// PDEs, and PTEs. + /// + UINT32 PSE:1; + /// + /// [Bit 4] Time Stamp Counter. The RDTSC instruction is supported, + /// including CR4.TSD for controlling privilege. + /// + UINT32 TSC:1; + /// + /// [Bit 5] Model Specific Registers RDMSR and WRMSR Instructions. The + /// RDMSR and WRMSR instructions are supported. Some of the MSRs are + /// implementation dependent. + /// + UINT32 MSR:1; + /// + /// [Bit 6] Physical Address Extension. Physical addresses greater than 32 + /// bits are supported: extended page table entry formats, an extra level in + /// the page translation tables is defined, 2-MByte pages are supported + /// instead of 4 Mbyte pages if PAE bit is 1. + /// + UINT32 PAE:1; + /// + /// [Bit 7] Machine Check Exception. Exception 18 is defined for Machine + /// Checks, including CR4.MCE for controlling the feature. This feature does + /// not define the model-specific implementations of machine-check error + /// logging, reporting, and processor shutdowns. Machine Check exception + /// handlers may have to depend on processor version to do model specific + /// processing of the exception, or test for the presence of the Machine + /// Check feature. + /// + UINT32 MCE:1; + /// + /// [Bit 8] CMPXCHG8B Instruction. The compare-and-exchange 8 bytes(64 bits) + /// instruction is supported (implicitly locked and atomic). + /// + UINT32 CX8:1; + /// + /// [Bit 9] APIC On-Chip. The processor contains an Advanced Programmable + /// Interrupt Controller (APIC), responding to memory mapped commands in the + /// physical address range FFFE0000H to FFFE0FFFH (by default - some + /// processors permit the APIC to be relocated). + /// + UINT32 APIC:1; + UINT32 Reserved1:1; + /// + /// [Bit 11] SYSENTER and SYSEXIT Instructions. The SYSENTER and SYSEXIT + /// and associated MSRs are supported. + /// + UINT32 SEP:1; + /// + /// [Bit 12] Memory Type Range Registers. MTRRs are supported. The MTRRcap + /// MSR contains feature bits that describe what memory types are supported, + /// how many variable MTRRs are supported, and whether fixed MTRRs are + /// supported. + /// + UINT32 MTRR:1; + /// + /// [Bit 13] Page Global Bit. The global bit is supported in paging-structure + /// entries that map a page, indicating TLB entries that are common to + /// different processes and need not be flushed. The CR4.PGE bit controls + /// this feature. + /// + UINT32 PGE:1; + /// + /// [Bit 14] Machine Check Architecture. The Machine Check Architecture, + /// which provides a compatible mechanism for error reporting in P6 family, + /// Pentium 4, Intel Xeon processors, and future processors, is supported. + /// The MCG_CAP MSR contains feature bits describing how many banks of error + /// reporting MSRs are supported. + /// + UINT32 MCA:1; + /// + /// [Bit 15] Conditional Move Instructions. The conditional move instruction + /// CMOV is supported. In addition, if x87 FPU is present as indicated by the + /// CPUID.FPU feature bit, then the FCOMI and FCMOV instructions are supported. + /// + UINT32 CMOV:1; + /// + /// [Bit 16] Page Attribute Table. Page Attribute Table is supported. This + /// feature augments the Memory Type Range Registers (MTRRs), allowing an + /// operating system to specify attributes of memory accessed through a + /// linear address on a 4KB granularity. + /// + UINT32 PAT:1; + /// + /// [Bit 17] 36-Bit Page Size Extension. 4-MByte pages addressing physical + /// memory beyond 4 GBytes are supported with 32-bit paging. This feature + /// indicates that upper bits of the physical address of a 4-MByte page are + /// encoded in bits 20:13 of the page-directory entry. Such physical + /// addresses are limited by MAXPHYADDR and may be up to 40 bits in size. + /// + UINT32 PSE_36:1; + /// + /// [Bit 18] Processor Serial Number. The processor supports the 96-bit + /// processor identification number feature and the feature is enabled. + /// + UINT32 PSN:1; + /// + /// [Bit 19] CLFLUSH Instruction. CLFLUSH Instruction is supported. + /// + UINT32 CLFSH:1; + UINT32 Reserved2:1; + /// + /// [Bit 21] Debug Store. The processor supports the ability to write debug + /// information into a memory resident buffer. This feature is used by the + /// branch trace store (BTS) and precise event-based sampling (PEBS) + /// facilities. + /// + UINT32 DS:1; + /// + /// [Bit 22] Thermal Monitor and Software Controlled Clock Facilities. The + /// processor implements internal MSRs that allow processor temperature to + /// be monitored and processor performance to be modulated in predefined + /// duty cycles under software control. + /// + UINT32 ACPI:1; + /// + /// [Bit 23] Intel MMX Technology. The processor supports the Intel MMX + /// technology. + /// + UINT32 MMX:1; + /// + /// [Bit 24] FXSAVE and FXRSTOR Instructions. The FXSAVE and FXRSTOR + /// instructions are supported for fast save and restore of the floating + /// point context. Presence of this bit also indicates that CR4.OSFXSR is + /// available for an operating system to indicate that it supports the + /// FXSAVE and FXRSTOR instructions. + /// + UINT32 FXSR:1; + /// + /// [Bit 25] SSE. The processor supports the SSE extensions. + /// + UINT32 SSE:1; + /// + /// [Bit 26] SSE2. The processor supports the SSE2 extensions. + /// + UINT32 SSE2:1; + /// + /// [Bit 27] Self Snoop. The processor supports the management of + /// conflicting memory types by performing a snoop of its own cache + /// structure for transactions issued to the bus. + /// + UINT32 SS:1; + /// + /// [Bit 28] Max APIC IDs reserved field is Valid. A value of 0 for HTT + /// indicates there is only a single logical processor in the package and + /// software should assume only a single APIC ID is reserved. A value of 1 + /// for HTT indicates the value in CPUID.1.EBX[23:16] (the Maximum number of + /// addressable IDs for logical processors in this package) is valid for the + /// package. + /// + UINT32 HTT:1; + /// + /// [Bit 29] Thermal Monitor. The processor implements the thermal monitor + /// automatic thermal control circuitry (TCC). + /// + UINT32 TM:1; + UINT32 Reserved3:1; + /// + /// [Bit 31] Pending Break Enable. The processor supports the use of the + /// FERR#/PBE# pin when the processor is in the stop-clock state (STPCLK# is + /// asserted) to signal the processor that an interrupt is pending and that + /// the processor should return to normal operation to handle the interrupt. + /// Bit 10 (PBE enable) in the IA32_MISC_ENABLE MSR enables this capability. + /// + UINT32 PBE:1; + } Bits; + /// + /// All bit fields as a 32-bit value + /// + UINT32 Uint32; +} CPUID_VERSION_INFO_EDX; + + +/** + CPUID Cache and TLB Information + + @param EAX CPUID_CACHE_INFO (0x02) + + @retval EAX Cache and TLB Information described by the type + CPUID_CACHE_INFO_CACHE_TLB. + CPUID_CACHE_INFO_CACHE_TLB.CacheDescriptor[0] always returns + 0x01 and must be ignored. Only valid if + CPUID_CACHE_INFO_CACHE_TLB.Bits.NotValid is clear. + @retval EBX Cache and TLB Information described by the type + CPUID_CACHE_INFO_CACHE_TLB. Only valid if + CPUID_CACHE_INFO_CACHE_TLB.Bits.NotValid is clear. + @retval ECX Cache and TLB Information described by the type + CPUID_CACHE_INFO_CACHE_TLB. Only valid if + CPUID_CACHE_INFO_CACHE_TLB.Bits.NotValid is clear. + @retval EDX Cache and TLB Information described by the type + CPUID_CACHE_INFO_CACHE_TLB. Only valid if + CPUID_CACHE_INFO_CACHE_TLB.Bits.NotValid is clear. + + <b>Example usage</b> + @code + CPUID_CACHE_INFO_CACHE_TLB Eax; + CPUID_CACHE_INFO_CACHE_TLB Ebx; + CPUID_CACHE_INFO_CACHE_TLB Ecx; + CPUID_CACHE_INFO_CACHE_TLB Edx; + + AsmCpuid (CPUID_CACHE_INFO, &Eax.Uint32, &Ebx.Uint32, &Ecx.Uint32, &Edx.Uint32); + @endcode + + <b>Cache Descriptor values</b> + <table> + <tr><th>Value </th><th> Type </th><th> Description </th></tr> + <tr><td> 0x00 </td><td> General </td><td> Null descriptor, this byte contains no information</td></tr> + <tr><td> 0x01 </td><td> TLB </td><td> Instruction TLB: 4 KByte pages, 4-way set associative, 32 entries</td></tr> + <tr><td> 0x02 </td><td> TLB </td><td> Instruction TLB: 4 MByte pages, fully associative, 2 entries</td></tr> + <tr><td> 0x03 </td><td> TLB </td><td> Data TLB: 4 KByte pages, 4-way set associative, 64 entries</td></tr> + <tr><td> 0x04 </td><td> TLB </td><td> Data TLB: 4 MByte pages, 4-way set associative, 8 entries</td></tr> + <tr><td> 0x05 </td><td> TLB </td><td> Data TLB1: 4 MByte pages, 4-way set associative, 32 entries</td></tr> + <tr><td> 0x06 </td><td> Cache </td><td> 1st-level instruction cache: 8 KBytes, 4-way set associative, + 32 byte line size</td></tr> + <tr><td> 0x08 </td><td> Cache </td><td> 1st-level instruction cache: 16 KBytes, 4-way set associative, + 32 byte line size</td></tr> + <tr><td> 0x09 </td><td> Cache </td><td> 1st-level instruction cache: 32KBytes, 4-way set associative, + 64 byte line size</td></tr> + <tr><td> 0x0A </td><td> Cache </td><td> 1st-level data cache: 8 KBytes, 2-way set associative, 32 byte line size</td></tr> + <tr><td> 0x0B </td><td> TLB </td><td> Instruction TLB: 4 MByte pages, 4-way set associative, 4 entries</td></tr> + <tr><td> 0x0C </td><td> Cache </td><td> 1st-level data cache: 16 KBytes, 4-way set associative, 32 byte line size</td></tr> + <tr><td> 0x0D </td><td> Cache </td><td> 1st-level data cache: 16 KBytes, 4-way set associative, 64 byte line size</td></tr> + <tr><td> 0x0E </td><td> Cache </td><td> 1st-level data cache: 24 KBytes, 6-way set associative, 64 byte line size</td></tr> + <tr><td> 0x1D </td><td> Cache </td><td> 2nd-level cache: 128 KBytes, 2-way set associative, 64 byte line size</td></tr> + <tr><td> 0x21 </td><td> Cache </td><td> 2nd-level cache: 256 KBytes, 8-way set associative, 64 byte line size</td></tr> + <tr><td> 0x22 </td><td> Cache </td><td> 3rd-level cache: 512 KBytes, 4-way set associative, 64 byte line size, + 2 lines per sector</td></tr> + <tr><td> 0x23 </td><td> Cache </td><td> 3rd-level cache: 1 MBytes, 8-way set associative, 64 byte line size, + 2 lines per sector</td></tr> + <tr><td> 0x24 </td><td> Cache </td><td> 2nd-level cache: 1 MBytes, 16-way set associative, 64 byte line size</td></tr> + <tr><td> 0x25 </td><td> Cache </td><td> 3rd-level cache: 2 MBytes, 8-way set associative, 64 byte line size, + 2 lines per sector</td></tr> + <tr><td> 0x29 </td><td> Cache </td><td> 3rd-level cache: 4 MBytes, 8-way set associative, 64 byte line size, + 2 lines per sector</td></tr> + <tr><td> 0x2C </td><td> Cache </td><td> 1st-level data cache: 32 KBytes, 8-way set associative, + 64 byte line size</td></tr> + <tr><td> 0x30 </td><td> Cache </td><td> 1st-level instruction cache: 32 KBytes, 8-way set associative, + 64 byte line size</td></tr> + <tr><td> 0x40 </td><td> Cache </td><td> No 2nd-level cache or, if processor contains a valid 2nd-level cache, + no 3rd-level cache</td></tr> + <tr><td> 0x41 </td><td> Cache </td><td> 2nd-level cache: 128 KBytes, 4-way set associative, 32 byte line size</td></tr> + <tr><td> 0x42 </td><td> Cache </td><td> 2nd-level cache: 256 KBytes, 4-way set associative, 32 byte line size</td></tr> + <tr><td> 0x43 </td><td> Cache </td><td> 2nd-level cache: 512 KBytes, 4-way set associative, 32 byte line size</td></tr> + <tr><td> 0x44 </td><td> Cache </td><td> 2nd-level cache: 1 MByte, 4-way set associative, 32 byte line size</td></tr> + <tr><td> 0x45 </td><td> Cache </td><td> 2nd-level cache: 2 MByte, 4-way set associative, 32 byte line size</td></tr> + <tr><td> 0x46 </td><td> Cache </td><td> 3rd-level cache: 4 MByte, 4-way set associative, 64 byte line size</td></tr> + <tr><td> 0x47 </td><td> Cache </td><td> 3rd-level cache: 8 MByte, 8-way set associative, 64 byte line size</td></tr> + <tr><td> 0x48 </td><td> Cache </td><td> 2nd-level cache: 3MByte, 12-way set associative, 64 byte line size</td></tr> + <tr><td> 0x49 </td><td> Cache </td><td> 3rd-level cache: 4MB, 16-way set associative, 64-byte line size + (Intel Xeon processor MP, Family 0FH, Model 06H)<BR> + 2nd-level cache: 4 MByte, 16-way set associative, 64 byte line size</td></tr> + <tr><td> 0x4A </td><td> Cache </td><td> 3rd-level cache: 6MByte, 12-way set associative, 64 byte line size</td></tr> + <tr><td> 0x4B </td><td> Cache </td><td> 3rd-level cache: 8MByte, 16-way set associative, 64 byte line size</td></tr> + <tr><td> 0x4C </td><td> Cache </td><td> 3rd-level cache: 12MByte, 12-way set associative, 64 byte line size</td></tr> + <tr><td> 0x4D </td><td> Cache </td><td> 3rd-level cache: 16MByte, 16-way set associative, 64 byte line size</td></tr> + <tr><td> 0x4E </td><td> Cache </td><td> 2nd-level cache: 6MByte, 24-way set associative, 64 byte line size</td></tr> + <tr><td> 0x4F </td><td> TLB </td><td> Instruction TLB: 4 KByte pages, 32 entries</td></tr> + <tr><td> 0x50 </td><td> TLB </td><td> Instruction TLB: 4 KByte and 2-MByte or 4-MByte pages, 64 entries</td></tr> + <tr><td> 0x51 </td><td> TLB </td><td> Instruction TLB: 4 KByte and 2-MByte or 4-MByte pages, 128 entries</td></tr> + <tr><td> 0x52 </td><td> TLB </td><td> Instruction TLB: 4 KByte and 2-MByte or 4-MByte pages, 256 entries</td></tr> + <tr><td> 0x55 </td><td> TLB </td><td> Instruction TLB: 2-MByte or 4-MByte pages, fully associative, 7 entries</td></tr> + <tr><td> 0x56 </td><td> TLB </td><td> Data TLB0: 4 MByte pages, 4-way set associative, 16 entries</td></tr> + <tr><td> 0x57 </td><td> TLB </td><td> Data TLB0: 4 KByte pages, 4-way associative, 16 entries</td></tr> + <tr><td> 0x59 </td><td> TLB </td><td> Data TLB0: 4 KByte pages, fully associative, 16 entries</td></tr> + <tr><td> 0x5A </td><td> TLB </td><td> Data TLB0: 2-MByte or 4 MByte pages, 4-way set associative, 32 entries</td></tr> + <tr><td> 0x5B </td><td> TLB </td><td> Data TLB: 4 KByte and 4 MByte pages, 64 entries</td></tr> + <tr><td> 0x5C </td><td> TLB </td><td> Data TLB: 4 KByte and 4 MByte pages,128 entries</td></tr> + <tr><td> 0x5D </td><td> TLB </td><td> Data TLB: 4 KByte and 4 MByte pages,256 entries</td></tr> + <tr><td> 0x60 </td><td> Cache </td><td> 1st-level data cache: 16 KByte, 8-way set associative, 64 byte line size</td></tr> + <tr><td> 0x61 </td><td> TLB </td><td> Instruction TLB: 4 KByte pages, fully associative, 48 entries</td></tr> + <tr><td> 0x63 </td><td> TLB </td><td> Data TLB: 1 GByte pages, 4-way set associative, 4 entries</td></tr> + <tr><td> 0x66 </td><td> Cache </td><td> 1st-level data cache: 8 KByte, 4-way set associative, 64 byte line size</td></tr> + <tr><td> 0x67 </td><td> Cache </td><td> 1st-level data cache: 16 KByte, 4-way set associative, 64 byte line size</td></tr> + <tr><td> 0x68 </td><td> Cache </td><td> 1st-level data cache: 32 KByte, 4-way set associative, 64 byte line size</td></tr> + <tr><td> 0x6A </td><td> Cache </td><td> uTLB: 4 KByte pages, 8-way set associative, 64 entries</td></tr> + <tr><td> 0x6B </td><td> Cache </td><td> DTLB: 4 KByte pages, 8-way set associative, 256 entries</td></tr> + <tr><td> 0x6C </td><td> Cache </td><td> DTLB: 2M/4M pages, 8-way set associative, 128 entries</td></tr> + <tr><td> 0x6D </td><td> Cache </td><td> DTLB: 1 GByte pages, fully associative, 16 entries</td></tr> + <tr><td> 0x70 </td><td> Cache </td><td> Trace cache: 12 K-uop, 8-way set associative</td></tr> + <tr><td> 0x71 </td><td> Cache </td><td> Trace cache: 16 K-uop, 8-way set associative</td></tr> + <tr><td> 0x72 </td><td> Cache </td><td> Trace cache: 32 K-uop, 8-way set associative</td></tr> + <tr><td> 0x76 </td><td> TLB </td><td> Instruction TLB: 2M/4M pages, fully associative, 8 entries</td></tr> + <tr><td> 0x78 </td><td> Cache </td><td> 2nd-level cache: 1 MByte, 4-way set associative, 64byte line size</td></tr> + <tr><td> 0x79 </td><td> Cache </td><td> 2nd-level cache: 128 KByte, 8-way set associative, 64 byte line size, + 2 lines per sector</td></tr> + <tr><td> 0x7A </td><td> Cache </td><td> 2nd-level cache: 256 KByte, 8-way set associative, 64 byte line size, + 2 lines per sector</td></tr> + <tr><td> 0x7B </td><td> Cache </td><td> 2nd-level cache: 512 KByte, 8-way set associative, 64 byte line size, + 2 lines per sector</td></tr> + <tr><td> 0x7C </td><td> Cache </td><td> 2nd-level cache: 1 MByte, 8-way set associative, 64 byte line size, + 2 lines per sector</td></tr> + <tr><td> 0x7D </td><td> Cache </td><td> 2nd-level cache: 2 MByte, 8-way set associative, 64byte line size</td></tr> + <tr><td> 0x7F </td><td> Cache </td><td> 2nd-level cache: 512 KByte, 2-way set associative, 64-byte line size</td></tr> + <tr><td> 0x80 </td><td> Cache </td><td> 2nd-level cache: 512 KByte, 8-way set associative, 64-byte line size</td></tr> + <tr><td> 0x82 </td><td> Cache </td><td> 2nd-level cache: 256 KByte, 8-way set associative, 32 byte line size</td></tr> + <tr><td> 0x83 </td><td> Cache </td><td> 2nd-level cache: 512 KByte, 8-way set associative, 32 byte line size</td></tr> + <tr><td> 0x84 </td><td> Cache </td><td> 2nd-level cache: 1 MByte, 8-way set associative, 32 byte line size</td></tr> + <tr><td> 0x85 </td><td> Cache </td><td> 2nd-level cache: 2 MByte, 8-way set associative, 32 byte line size</td></tr> + <tr><td> 0x86 </td><td> Cache </td><td> 2nd-level cache: 512 KByte, 4-way set associative, 64 byte line size</td></tr> + <tr><td> 0x87 </td><td> Cache </td><td> 2nd-level cache: 1 MByte, 8-way set associative, 64 byte line size</td></tr> + <tr><td> 0xA0 </td><td> DTLB </td><td> DTLB: 4k pages, fully associative, 32 entries</td></tr> + <tr><td> 0xB0 </td><td> TLB </td><td> Instruction TLB: 4 KByte pages, 4-way set associative, 128 entries</td></tr> + <tr><td> 0xB1 </td><td> TLB </td><td> Instruction TLB: 2M pages, 4-way, 8 entries or 4M pages, 4-way, 4 entries</td></tr> + <tr><td> 0xB2 </td><td> TLB </td><td> Instruction TLB: 4KByte pages, 4-way set associative, 64 entries</td></tr> + <tr><td> 0xB3 </td><td> TLB </td><td> Data TLB: 4 KByte pages, 4-way set associative, 128 entries</td></tr> + <tr><td> 0xB4 </td><td> TLB </td><td> Data TLB1: 4 KByte pages, 4-way associative, 256 entries</td></tr> + <tr><td> 0xB5 </td><td> TLB </td><td> Instruction TLB: 4KByte pages, 8-way set associative, 64 entries</td></tr> + <tr><td> 0xB6 </td><td> TLB </td><td> Instruction TLB: 4KByte pages, 8-way set associative, + 128 entries</td></tr> + <tr><td> 0xBA </td><td> TLB </td><td> Data TLB1: 4 KByte pages, 4-way associative, 64 entries</td></tr> + <tr><td> 0xC0 </td><td> TLB </td><td> Data TLB: 4 KByte and 4 MByte pages, 4-way associative, 8 entries</td></tr> + <tr><td> 0xC1 </td><td> STLB </td><td> Shared 2nd-Level TLB: 4 KByte/2MByte pages, 8-way associative, + 1024 entries</td></tr> + <tr><td> 0xC2 </td><td> DTLB </td><td> DTLB: 4 KByte/2 MByte pages, 4-way associative, 16 entries</td></tr> + <tr><td> 0xC3 </td><td> STLB </td><td> Shared 2nd-Level TLB: 4 KByte /2 MByte pages, 6-way associative, + 1536 entries. Also 1GBbyte pages, 4-way, 16 entries.</td></tr> + <tr><td> 0xCA </td><td> STLB </td><td> Shared 2nd-Level TLB: 4 KByte pages, 4-way associative, 512 entries</td></tr> + <tr><td> 0xD0 </td><td> Cache </td><td> 3rd-level cache: 512 KByte, 4-way set associative, 64 byte line size</td></tr> + <tr><td> 0xD1 </td><td> Cache </td><td> 3rd-level cache: 1 MByte, 4-way set associative, 64 byte line size</td></tr> + <tr><td> 0xD2 </td><td> Cache </td><td> 3rd-level cache: 2 MByte, 4-way set associative, 64 byte line size</td></tr> + <tr><td> 0xD6 </td><td> Cache </td><td> 3rd-level cache: 1 MByte, 8-way set associative, 64 byte line size</td></tr> + <tr><td> 0xD7 </td><td> Cache </td><td> 3rd-level cache: 2 MByte, 8-way set associative, 64 byte line size</td></tr> + <tr><td> 0xD8 </td><td> Cache </td><td> 3rd-level cache: 4 MByte, 8-way set associative, 64 byte line size</td></tr> + <tr><td> 0xDC </td><td> Cache </td><td> 3rd-level cache: 1.5 MByte, 12-way set associative, 64 byte line size</td></tr> + <tr><td> 0xDD </td><td> Cache </td><td> 3rd-level cache: 3 MByte, 12-way set associative, 64 byte line size</td></tr> + <tr><td> 0xDE </td><td> Cache </td><td> 3rd-level cache: 6 MByte, 12-way set associative, 64 byte line size</td></tr> + <tr><td> 0xE2 </td><td> Cache </td><td> 3rd-level cache: 2 MByte, 16-way set associative, 64 byte line size</td></tr> + <tr><td> 0xE3 </td><td> Cache </td><td> 3rd-level cache: 4 MByte, 16-way set associative, 64 byte line size</td></tr> + <tr><td> 0xE4 </td><td> Cache </td><td> 3rd-level cache: 8 MByte, 16-way set associative, 64 byte line size</td></tr> + <tr><td> 0xEA </td><td> Cache </td><td> 3rd-level cache: 12MByte, 24-way set associative, 64 byte line size</td></tr> + <tr><td> 0xEB </td><td> Cache </td><td> 3rd-level cache: 18MByte, 24-way set associative, 64 byte line size</td></tr> + <tr><td> 0xEC </td><td> Cache </td><td> 3rd-level cache: 24MByte, 24-way set associative, 64 byte line size</td></tr> + <tr><td> 0xF0 </td><td> Prefetch</td><td> 64-Byte prefetching</td></tr> + <tr><td> 0xF1 </td><td> Prefetch</td><td> 128-Byte prefetching</td></tr> + <tr><td> 0xFF </td><td> General </td><td> CPUID leaf 2 does not report cache descriptor information, + use CPUID leaf 4 to query cache parameters</td></tr> + </table> +**/ +#define CPUID_CACHE_INFO 0x02 + +/** + CPUID Cache and TLB Information returned in EAX, EBX, ECX, and EDX for CPUID + leaf #CPUID_CACHE_INFO. +**/ +typedef union { + /// + /// Individual bit fields + /// + struct { + UINT32 Reserved:31; + /// + /// [Bit 31] If 0, then the cache descriptor bytes in the register are valid. + /// if 1, then none of the cache descriptor bytes in the register are valid. + /// + UINT32 NotValid:1; + } Bits; + /// + /// Array of Cache and TLB descriptor bytes + /// + UINT8 CacheDescriptor[4]; + /// + /// All bit fields as a 32-bit value + /// + UINT32 Uint32; +} CPUID_CACHE_INFO_CACHE_TLB; + + +/** + CPUID Processor Serial Number + + Processor serial number (PSN) is not supported in the Pentium 4 processor + or later. On all models, use the PSN flag (returned using CPUID) to check + for PSN support before accessing the feature. + + @param EAX CPUID_SERIAL_NUMBER (0x03) + + @retval EAX Reserved. + @retval EBX Reserved. + @retval ECX Bits 31:0 of 96 bit processor serial number. (Available in + Pentium III processor only; otherwise, the value in this + register is reserved.) + @retval EDX Bits 63:32 of 96 bit processor serial number. (Available in + Pentium III processor only; otherwise, the value in this + register is reserved.) + + <b>Example usage</b> + @code + UINT32 Ecx; + UINT32 Edx; + + AsmCpuid (CPUID_SERIAL_NUMBER, NULL, NULL, &Ecx, &Edx); + @endcode +**/ +#define CPUID_SERIAL_NUMBER 0x03 + + +/** + CPUID Cache Parameters + + @param EAX CPUID_CACHE_PARAMS (0x04) + @param ECX Cache Level. Valid values start at 0. Software can enumerate + the deterministic cache parameters for each level of the cache + hierarchy starting with an index value of 0, until the + parameters report the value associated with the CacheType + field in CPUID_CACHE_PARAMS_EAX is 0. + + @retval EAX Returns cache type information described by the type + CPUID_CACHE_PARAMS_EAX. + @retval EBX Returns cache line and associativity information described by + the type CPUID_CACHE_PARAMS_EBX. + @retval ECX Returns the number of sets in the cache. + @retval EDX Returns cache WINVD/INVD behavior described by the type + CPUID_CACHE_PARAMS_EDX. + + <b>Example usage</b> + @code + UINT32 CacheLevel; + CPUID_CACHE_PARAMS_EAX Eax; + CPUID_CACHE_PARAMS_EBX Ebx; + UINT32 Ecx; + CPUID_CACHE_PARAMS_EDX Edx; + + CacheLevel = 0; + do { + AsmCpuidEx ( + CPUID_CACHE_PARAMS, CacheLevel, + &Eax.Uint32, &Ebx.Uint32, &Ecx, &Edx.Uint32 + ); + CacheLevel++; + } while (Eax.Bits.CacheType != CPUID_CACHE_PARAMS_CACHE_TYPE_NULL); + @endcode +**/ +#define CPUID_CACHE_PARAMS 0x04 + +/** + CPUID Cache Parameters Information returned in EAX for CPUID leaf + #CPUID_CACHE_PARAMS. +**/ +typedef union { + /// + /// Individual bit fields + /// + struct { + /// + /// [Bits 4:0] Cache type field. If #CPUID_CACHE_PARAMS_CACHE_TYPE_NULL, + /// then there is no information for the requested cache level. + /// + UINT32 CacheType:5; + /// + /// [Bits 7:5] Cache level (Starts at 1). + /// + UINT32 CacheLevel:3; + /// + /// [Bit 8] Self Initializing cache level (does not need SW initialization). + /// + UINT32 SelfInitializingCache:1; + /// + /// [Bit 9] Fully Associative cache. + /// + UINT32 FullyAssociativeCache:1; + /// + /// [Bits 13:10] Reserved. + /// + UINT32 Reserved:4; + /// + /// [Bits 25:14] Maximum number of addressable IDs for logical processors + /// sharing this cache. + /// + /// Add one to the return value to get the result. + /// The nearest power-of-2 integer that is not smaller than (1 + EAX[25:14]) + /// is the number of unique initial APIC IDs reserved for addressing + /// different logical processors sharing this cache. + /// + UINT32 MaximumAddressableIdsForLogicalProcessors:12; + /// + /// [Bits 31:26] Maximum number of addressable IDs for processor cores in + /// the physical package. + /// + /// The nearest power-of-2 integer that is not smaller than (1 + EAX[31:26]) + /// is the number of unique Core_IDs reserved for addressing different + /// processor cores in a physical package. Core ID is a subset of bits of + /// the initial APIC ID. + /// The returned value is constant for valid initial values in ECX. Valid + /// ECX values start from 0. + /// + UINT32 MaximumAddressableIdsForProcessorCores:6; + } Bits; + /// + /// All bit fields as a 32-bit value + /// + UINT32 Uint32; +} CPUID_CACHE_PARAMS_EAX; + +/// +/// @{ Define value for bit field CPUID_CACHE_PARAMS_EAX.CacheType +/// +#define CPUID_CACHE_PARAMS_CACHE_TYPE_NULL 0x00 +#define CPUID_CACHE_PARAMS_CACHE_TYPE_DATA 0x01 +#define CPUID_CACHE_PARAMS_CACHE_TYPE_INSTRUCTION 0x02 +#define CPUID_CACHE_PARAMS_CACHE_TYPE_UNIFIED 0x03 +/// +/// @} +/// + +/** + CPUID Cache Parameters Information returned in EBX for CPUID leaf + #CPUID_CACHE_PARAMS. +**/ +typedef union { + /// + /// Individual bit fields + /// + struct { + /// + /// [Bits 11:0] System Coherency Line Size. Add one to the return value to + /// get the result. + /// + UINT32 LineSize:12; + /// + /// [Bits 21:12] Physical Line Partitions. Add one to the return value to + /// get the result. + /// + UINT32 LinePartitions:10; + /// + /// [Bits 31:22] Ways of associativity. Add one to the return value to get + /// the result. + /// + UINT32 Ways:10; + } Bits; + /// + /// All bit fields as a 32-bit value + /// + UINT32 Uint32; +} CPUID_CACHE_PARAMS_EBX; + +/** + CPUID Cache Parameters Information returned in EDX for CPUID leaf + #CPUID_CACHE_PARAMS. +**/ +typedef union { + /// + /// Individual bit fields + /// + struct { + /// + /// [Bit 0] Write-Back Invalidate/Invalidate. + /// 0 = WBINVD/INVD from threads sharing this cache acts upon lower level + /// caches for threads sharing this cache. + /// 1 = WBINVD/INVD is not guaranteed to act upon lower level caches of + /// non-originating threads sharing this cache. + /// + UINT32 Invalidate:1; + /// + /// [Bit 1] Cache Inclusiveness. + /// 0 = Cache is not inclusive of lower cache levels. + /// 1 = Cache is inclusive of lower cache levels. + /// + UINT32 CacheInclusiveness:1; + /// + /// [Bit 2] Complex Cache Indexing. + /// 0 = Direct mapped cache. + /// 1 = A complex function is used to index the cache, potentially using all + /// address bits. + /// + UINT32 ComplexCacheIndexing:1; + UINT32 Reserved:29; + } Bits; + /// + /// All bit fields as a 32-bit value + /// + UINT32 Uint32; +} CPUID_CACHE_PARAMS_EDX; + + +/** + CPUID MONITOR/MWAIT Information + + @param EAX CPUID_MONITOR_MWAIT (0x05) + + @retval EAX Smallest monitor-line size in bytes described by the type + CPUID_MONITOR_MWAIT_EAX. + @retval EBX Largest monitor-line size in bytes described by the type + CPUID_MONITOR_MWAIT_EBX. + @retval ECX Enumeration of Monitor-Mwait extensions support described by + the type CPUID_MONITOR_MWAIT_ECX. + @retval EDX Sub C-states supported described by the type + CPUID_MONITOR_MWAIT_EDX. + + <b>Example usage</b> + @code + CPUID_MONITOR_MWAIT_EAX Eax; + CPUID_MONITOR_MWAIT_EBX Ebx; + CPUID_MONITOR_MWAIT_ECX Ecx; + CPUID_MONITOR_MWAIT_EDX Edx; + + AsmCpuid (CPUID_MONITOR_MWAIT, &Eax.Uint32, &Ebx.Uint32, &Ecx.Uint32, &Edx.Uint32); + @endcode +**/ +#define CPUID_MONITOR_MWAIT 0x05 + +/** + CPUID MONITOR/MWAIT Information returned in EAX for CPUID leaf + #CPUID_MONITOR_MWAIT. +**/ +typedef union { + /// + /// Individual bit fields + /// + struct { + /// + /// [Bits 15:0] Smallest monitor-line size in bytes (default is processor's + /// monitor granularity). + /// + UINT32 SmallestMonitorLineSize:16; + UINT32 Reserved:16; + } Bits; + /// + /// All bit fields as a 32-bit value + /// + UINT32 Uint32; +} CPUID_MONITOR_MWAIT_EAX; + +/** + CPUID MONITOR/MWAIT Information returned in EBX for CPUID leaf + #CPUID_MONITOR_MWAIT. +**/ +typedef union { + /// + /// Individual bit fields + /// + struct { + /// + /// [Bits 15:0] Largest monitor-line size in bytes (default is processor's + /// monitor granularity). + /// + UINT32 LargestMonitorLineSize:16; + UINT32 Reserved:16; + } Bits; + /// + /// All bit fields as a 32-bit value + /// + UINT32 Uint32; +} CPUID_MONITOR_MWAIT_EBX; + +/** + CPUID MONITOR/MWAIT Information returned in ECX for CPUID leaf + #CPUID_MONITOR_MWAIT. +**/ +typedef union { + /// + /// Individual bit fields + /// + struct { + /// + /// [Bit 0] If 0, then only EAX and EBX are valid. If 1, then EAX, EBX, ECX, + /// and EDX are valid. + /// + UINT32 ExtensionsSupported:1; + /// + /// [Bit 1] Supports treating interrupts as break-event for MWAIT, even when + /// interrupts disabled. + /// + UINT32 InterruptAsBreak:1; + UINT32 Reserved:30; + } Bits; + /// + /// All bit fields as a 32-bit value + /// + UINT32 Uint32; +} CPUID_MONITOR_MWAIT_ECX; + +/** + CPUID MONITOR/MWAIT Information returned in EDX for CPUID leaf + #CPUID_MONITOR_MWAIT. + + @note + The definition of C0 through C7 states for MWAIT extension are + processor-specific C-states, not ACPI C-states. +**/ +typedef union { + /// + /// Individual bit fields + /// + struct { + /// + /// [Bits 3:0] Number of C0 sub C-states supported using MWAIT. + /// + UINT32 C0States:4; + /// + /// [Bits 7:4] Number of C1 sub C-states supported using MWAIT. + /// + UINT32 C1States:4; + /// + /// [Bits 11:8] Number of C2 sub C-states supported using MWAIT. + /// + UINT32 C2States:4; + /// + /// [Bits 15:12] Number of C3 sub C-states supported using MWAIT. + /// + UINT32 C3States:4; + /// + /// [Bits 19:16] Number of C4 sub C-states supported using MWAIT. + /// + UINT32 C4States:4; + /// + /// [Bits 23:20] Number of C5 sub C-states supported using MWAIT. + /// + UINT32 C5States:4; + /// + /// [Bits 27:24] Number of C6 sub C-states supported using MWAIT. + /// + UINT32 C6States:4; + /// + /// [Bits 31:28] Number of C7 sub C-states supported using MWAIT. + /// + UINT32 C7States:4; + } Bits; + /// + /// All bit fields as a 32-bit value + /// + UINT32 Uint32; +} CPUID_MONITOR_MWAIT_EDX; + + +/** + CPUID Thermal and Power Management + + @param EAX CPUID_THERMAL_POWER_MANAGEMENT (0x06) + + @retval EAX Thermal and power management features described by the type + CPUID_THERMAL_POWER_MANAGEMENT_EAX. + @retval EBX Number of Interrupt Thresholds in Digital Thermal Sensor + described by the type CPUID_THERMAL_POWER_MANAGEMENT_EBX. + @retval ECX Performance features described by the type + CPUID_THERMAL_POWER_MANAGEMENT_ECX. + @retval EDX Reserved. + + <b>Example usage</b> + @code + CPUID_THERMAL_POWER_MANAGEMENT_EAX Eax; + CPUID_THERMAL_POWER_MANAGEMENT_EBX Ebx; + CPUID_THERMAL_POWER_MANAGEMENT_ECX Ecx; + + AsmCpuid (CPUID_THERMAL_POWER_MANAGEMENT, &Eax.Uint32, &Ebx.Uint32, &Ecx.Uint32, NULL); + @endcode +**/ +#define CPUID_THERMAL_POWER_MANAGEMENT 0x06 + +/** + CPUID Thermal and Power Management Information returned in EAX for CPUID leaf + #CPUID_THERMAL_POWER_MANAGEMENT. +**/ +typedef union { + /// + /// Individual bit fields + /// + struct { + /// + /// [Bit 0] Digital temperature sensor is supported if set. + /// + UINT32 DigitalTemperatureSensor:1; + /// + /// [Bit 1] Intel Turbo Boost Technology Available (see IA32_MISC_ENABLE[38]). + /// + UINT32 TurboBoostTechnology:1; + /// + /// [Bit 2] APIC-Timer-always-running feature is supported if set. + /// + UINT32 ARAT:1; + UINT32 Reserved1:1; + /// + /// [Bit 4] Power limit notification controls are supported if set. + /// + UINT32 PLN:1; + /// + /// [Bit 5] Clock modulation duty cycle extension is supported if set. + /// + UINT32 ECMD:1; + /// + /// [Bit 6] Package thermal management is supported if set. + /// + UINT32 PTM:1; + /// + /// [Bit 7] HWP base registers (IA32_PM_ENABLE[Bit 0], IA32_HWP_CAPABILITIES, + /// IA32_HWP_REQUEST, IA32_HWP_STATUS) are supported if set. + /// + UINT32 HWP:1; + /// + /// [Bit 8] IA32_HWP_INTERRUPT MSR is supported if set. + /// + UINT32 HWP_Notification:1; + /// + /// [Bit 9] IA32_HWP_REQUEST[Bits 41:32] is supported if set. + /// + UINT32 HWP_Activity_Window:1; + /// + /// [Bit 10] IA32_HWP_REQUEST[Bits 31:24] is supported if set. + /// + UINT32 HWP_Energy_Performance_Preference:1; + /// + /// [Bit 11] IA32_HWP_REQUEST_PKG MSR is supported if set. + /// + UINT32 HWP_Package_Level_Request:1; + UINT32 Reserved2:1; + /// + /// [Bit 13] HDC base registers IA32_PKG_HDC_CTL, IA32_PM_CTL1, + /// IA32_THREAD_STALL MSRs are supported if set. + /// + UINT32 HDC:1; + UINT32 Reserved3:18; + } Bits; + /// + /// All bit fields as a 32-bit value + /// + UINT32 Uint32; +} CPUID_THERMAL_POWER_MANAGEMENT_EAX; + +/** + CPUID Thermal and Power Management Information returned in EBX for CPUID leaf + #CPUID_THERMAL_POWER_MANAGEMENT. +**/ +typedef union { + /// + /// Individual bit fields + /// + struct { + /// + /// {Bits 3:0] Number of Interrupt Thresholds in Digital Thermal Sensor. + /// + UINT32 InterruptThresholds:4; + UINT32 Reserved:28; + } Bits; + /// + /// All bit fields as a 32-bit value + /// + UINT32 Uint32; +} CPUID_THERMAL_POWER_MANAGEMENT_EBX; + +/** + CPUID Thermal and Power Management Information returned in ECX for CPUID leaf + #CPUID_THERMAL_POWER_MANAGEMENT. +**/ +typedef union { + /// + /// Individual bit fields + /// + struct { + /// + /// [Bit 0] Hardware Coordination Feedback Capability (Presence of IA32_MPERF + /// and IA32_APERF). The capability to provide a measure of delivered + /// processor performance (since last reset of the counters), as a percentage + /// of the expected processor performance when running at the TSC frequency. + /// + UINT32 HardwareCoordinationFeedback:1; + UINT32 Reserved1:2; + /// + /// [Bit 3] If this bit is set, then the processor supports performance-energy + /// bias preference and the architectural MSR called IA32_ENERGY_PERF_BIAS + /// (1B0H). + /// + UINT32 PerformanceEnergyBias:1; + UINT32 Reserved2:28; + } Bits; + /// + /// All bit fields as a 32-bit value + /// + UINT32 Uint32; +} CPUID_THERMAL_POWER_MANAGEMENT_ECX; + + +/** + CPUID Structured Extended Feature Flags Enumeration + + @param EAX CPUID_STRUCTURED_EXTENDED_FEATURE_FLAGS (0x07) + @param ECX CPUID_STRUCTURED_EXTENDED_FEATURE_FLAGS_SUB_LEAF_INFO (0x00). + + @note + If ECX contains an invalid sub-leaf index, EAX/EBX/ECX/EDX return 0. Sub-leaf + index n is invalid if n exceeds the value that sub-leaf 0 returns in EAX. + + @retval EAX The maximum input value for ECX to retrieve sub-leaf information. + @retval EBX Structured Extended Feature Flags described by the type + CPUID_STRUCTURED_EXTENDED_FEATURE_FLAGS_EBX. + @retval EBX Structured Extended Feature Flags described by the type + CPUID_STRUCTURED_EXTENDED_FEATURE_FLAGS_ECX. + @retval EDX Reserved. + + <b>Example usage</b> + @code + UINT32 Eax; + CPUID_STRUCTURED_EXTENDED_FEATURE_FLAGS_EBX Ebx; + CPUID_STRUCTURED_EXTENDED_FEATURE_FLAGS_ECX Ecx; + UINT32 SubLeaf; + + AsmCpuidEx ( + CPUID_STRUCTURED_EXTENDED_FEATURE_FLAGS, + CPUID_STRUCTURED_EXTENDED_FEATURE_FLAGS_SUB_LEAF_INFO, + &Eax, NULL, NULL, NULL + ); + for (SubLeaf = 0; SubLeaf <= Eax; SubLeaf++) { + AsmCpuidEx ( + CPUID_STRUCTURED_EXTENDED_FEATURE_FLAGS, + SubLeaf, + NULL, &Ebx.Uint32, &Ecx.Uint32, NULL + ); + SubLeaf++; + } while (SubLeaf <= Eax); + @endcode +**/ +#define CPUID_STRUCTURED_EXTENDED_FEATURE_FLAGS 0x07 + +/// +/// CPUID Structured Extended Feature Flags Enumeration sub-leaf +/// +#define CPUID_STRUCTURED_EXTENDED_FEATURE_FLAGS_SUB_LEAF_INFO 0x00 + +/** + CPUID Structured Extended Feature Flags Enumeration in EBX for CPUID leaf + #CPUID_STRUCTURED_EXTENDED_FEATURE_FLAGS sub leaf + #CPUID_STRUCTURED_EXTENDED_FEATURE_FLAGS_SUB_LEAF_INFO. +**/ +typedef union { + /// + /// Individual bit fields + /// + struct { + /// + /// [Bit 0] Supports RDFSBASE/RDGSBASE/WRFSBASE/WRGSBASE if 1. + /// + UINT32 FSGSBASE:1; + /// + /// [Bit 1] IA32_TSC_ADJUST MSR is supported if 1. + /// + UINT32 IA32_TSC_ADJUST:1; + UINT32 Reserved1:1; + /// + /// [Bit 3] If 1 indicates the processor supports the first group of advanced + /// bit manipulation extensions (ANDN, BEXTR, BLSI, BLSMSK, BLSR, TZCNT) + /// + UINT32 BMI1:1; + /// + /// [Bit 4] Hardware Lock Elision + /// + UINT32 HLE:1; + /// + /// [Bit 5] If 1 indicates the processor supports AVX2 instruction extensions. + /// + UINT32 AVX2:1; + /// + /// [Bit 6] x87 FPU Data Pointer updated only on x87 exceptions if 1. + /// + UINT32 FDP_EXCPTN_ONLY:1; + /// + /// [Bit 7] Supports Supervisor-Mode Execution Prevention if 1. + /// + UINT32 SMEP:1; + /// + /// [Bit 8] If 1 indicates the processor supports the second group of + /// advanced bit manipulation extensions (BZHI, MULX, PDEP, PEXT, RORX, + /// SARX, SHLX, SHRX) + /// + UINT32 BMI2:1; + /// + /// [Bit 9] Supports Enhanced REP MOVSB/STOSB if 1. + /// + UINT32 EnhancedRepMovsbStosb:1; + /// + /// [Bit 10] If 1, supports INVPCID instruction for system software that + /// manages process-context identifiers. + /// + UINT32 INVPCID:1; + /// + /// [Bit 11] Restricted Transactional Memory + /// + UINT32 RTM:1; + /// + /// [Bit 12] Supports Platform Quality of Service Monitoring (PQM) + /// capability if 1. + /// + UINT32 PQM:1; + /// + /// [Bit 13] Deprecates FPU CS and FPU DS values if 1. + /// + UINT32 DeprecateFpuCsDs:1; + /// + /// [Bit 14] Supports Intel(R) Memory Protection Extensions if 1. + /// + UINT32 MPX:1; + /// + /// [Bit 15] Supports Platform Quality of Service Enforcement (PQE) + /// capability if 1. + /// + UINT32 PQE:1; + UINT32 Reserved2:2; + /// + /// [Bit 18] If 1 indicates the processor supports the RDSEED instruction. + /// + UINT32 RDSEED:1; + /// + /// [Bit 19] If 1 indicates the processor supports the ADCX and ADOX + /// instructions. + /// + UINT32 ADX:1; + /// + /// [Bit 20] Supports Supervisor-Mode Access Prevention (and the CLAC/STAC + /// instructions) if 1. + /// + UINT32 SMAP:1; + UINT32 Reserved3:2; + /// + /// [Bit 23] If 1 indicates the processor supports the CLFLUSHOPT instruction. + /// + UINT32 CLFLUSHOPT:1; + UINT32 Reserved4:1; + /// + /// [Bit 25] If 1 indicates the processor supports the Intel Processor Trace + /// extensions. + /// + UINT32 IntelProcessorTrace:1; + UINT32 Reserved5:6; + } Bits; + /// + /// All bit fields as a 32-bit value + /// + UINT32 Uint32; +} CPUID_STRUCTURED_EXTENDED_FEATURE_FLAGS_EBX; + +/** + CPUID Structured Extended Feature Flags Enumeration in ECX for CPUID leaf + #CPUID_STRUCTURED_EXTENDED_FEATURE_FLAGS sub leaf + #CPUID_STRUCTURED_EXTENDED_FEATURE_FLAGS_SUB_LEAF_INFO. +**/ +typedef union { + /// + /// Individual bit fields + /// + struct { + /// + /// [Bit 0] If 1 indicates the processor supports the PREFETCHWT1 instruction. + /// + UINT32 PREFETCHWT1:1; + UINT32 Reserved1:2; + /// + /// [Bit 3] Supports protection keys for user-mode pages if 1. + /// + UINT32 PKU:1; + /// + /// [Bit 4] If 1, OS has set CR4.PKE to enable protection keys (and the + /// RDPKRU/WRPKRU instructions). + /// + UINT32 OSPKE:1; + UINT32 Reserved2:27; + } Bits; + /// + /// All bit fields as a 32-bit value + /// + UINT32 Uint32; +} CPUID_STRUCTURED_EXTENDED_FEATURE_FLAGS_ECX; + + +/** + CPUID Direct Cache Access Information + + @param EAX CPUID_DIRECT_CACHE_ACCESS_INFO (0x09) + + @retval EAX Value of bits [31:0] of IA32_PLATFORM_DCA_CAP MSR (address 1F8H). + @retval EBX Reserved. + @retval ECX Reserved. + @retval EDX Reserved. + + <b>Example usage</b> + @code + UINT32 Eax; + + AsmCpuid (CPUID_DIRECT_CACHE_ACCESS_INFO, &Eax, NULL, NULL, NULL); + @endcode +**/ +#define CPUID_DIRECT_CACHE_ACCESS_INFO 0x09 + + +/** + CPUID Architectural Performance Monitoring + + @param EAX CPUID_ARCHITECTURAL_PERFORMANCE_MONITORING (0x0A) + + @retval EAX Architectural Performance Monitoring information described by + the type CPUID_ARCHITECTURAL_PERFORMANCE_MONITORING_EAX. + @retval EBX Architectural Performance Monitoring information described by + the type CPUID_ARCHITECTURAL_PERFORMANCE_MONITORING_EBX. + @retval ECX Reserved. + @retval EDX Architectural Performance Monitoring information described by + the type CPUID_ARCHITECTURAL_PERFORMANCE_MONITORING_EDX. + + <b>Example usage</b> + @code + CPUID_ARCHITECTURAL_PERFORMANCE_MONITORING_EAX Eax; + CPUID_ARCHITECTURAL_PERFORMANCE_MONITORING_EBX Ebx; + CPUID_ARCHITECTURAL_PERFORMANCE_MONITORING_EDX Edx; + + AsmCpuid (CPUID_ARCHITECTURAL_PERFORMANCE_MONITORING, &Eax.Uint32, &Ebx.Uint32, NULL, &Edx.Uint32); + @endcode +**/ +#define CPUID_ARCHITECTURAL_PERFORMANCE_MONITORING 0x0A + +/** + CPUID Architectural Performance Monitoring EAX for CPUID leaf + #CPUID_ARCHITECTURAL_PERFORMANCE_MONITORING. +**/ +typedef union { + /// + /// Individual bit fields + /// + struct { + /// + /// [Bit 7:0] Version ID of architectural performance monitoring. + /// + UINT32 ArchPerfMonVerID:8; + /// + /// [Bits 15:8] Number of general-purpose performance monitoring counter + /// per logical processor. + /// + /// IA32_PERFEVTSELx MSRs start at address 186H and occupy a contiguous + /// block of MSR address space. Each performance event select register is + /// paired with a corresponding performance counter in the 0C1H address + /// block. + /// + UINT32 PerformanceMonitorCounters:8; + /// + /// [Bits 23:16] Bit width of general-purpose, performance monitoring counter. + /// + /// The bit width of an IA32_PMCx MSR. This the number of valid bits for + /// read operation. On write operations, the lower-order 32 bits of the MSR + /// may be written with any value, and the high-order bits are sign-extended + /// from the value of bit 31. + /// + UINT32 PerformanceMonitorCounterWidth:8; + /// + /// [Bits 31:24] Length of EBX bit vector to enumerate architectural + /// performance monitoring events. + /// + UINT32 EbxBitVectorLength:8; + } Bits; + /// + /// All bit fields as a 32-bit value + /// + UINT32 Uint32; +} CPUID_ARCHITECTURAL_PERFORMANCE_MONITORING_EAX; + +/** + CPUID Architectural Performance Monitoring EBX for CPUID leaf + #CPUID_ARCHITECTURAL_PERFORMANCE_MONITORING. +**/ +typedef union { + /// + /// Individual bit fields + /// + struct { + /// + /// [Bit 0] Core cycle event not available if 1. + /// + UINT32 UnhaltedCoreCycles:1; + /// + /// [Bit 1] Instruction retired event not available if 1. + /// + UINT32 InstructionsRetired:1; + /// + /// [Bit 2] Reference cycles event not available if 1. + /// + UINT32 UnhaltedReferenceCycles:1; + /// + /// [Bit 3] Last-level cache reference event not available if 1. + /// + UINT32 LastLevelCacheReferences:1; + /// + /// [Bit 4] Last-level cache misses event not available if 1. + /// + UINT32 LastLevelCacheMisses:1; + /// + /// [Bit 5] Branch instruction retired event not available if 1. + /// + UINT32 BranchInstructionsRetired:1; + /// + /// [Bit 6] Branch mispredict retired event not available if 1. + /// + UINT32 AllBranchMispredictRetired:1; + UINT32 Reserved:25; + } Bits; + /// + /// All bit fields as a 32-bit value + /// + UINT32 Uint32; +} CPUID_ARCHITECTURAL_PERFORMANCE_MONITORING_EBX; + +/** + CPUID Architectural Performance Monitoring EDX for CPUID leaf + #CPUID_ARCHITECTURAL_PERFORMANCE_MONITORING. +**/ +typedef union { + /// + /// Individual bit fields + /// + struct { + /// + /// [Bits 4:0] Number of fixed-function performance counters + /// (if Version ID > 1). + /// + UINT32 FixedFunctionPerformanceCounters:5; + /// + /// [Bits 12:5] Bit width of fixed-function performance counters + /// (if Version ID > 1). + /// + UINT32 FixedFunctionPerformanceCounterWidth:8; + UINT32 Reserved:19; + } Bits; + /// + /// All bit fields as a 32-bit value + /// + UINT32 Uint32; +} CPUID_ARCHITECTURAL_PERFORMANCE_MONITORING_EDX; + + +/** + CPUID Extended Topology Information + + @note + Most of Leaf 0BH output depends on the initial value in ECX. The EDX output + of leaf 0BH is always valid and does not vary with input value in ECX. Output + value in ECX[7:0] always equals input value in ECX[7:0]. For sub-leaves that + return an invalid level-type of 0 in ECX[15:8]; EAX and EBX will return 0. If + an input value n in ECX returns the invalid level-type of 0 in ECX[15:8], + other input values with ECX > n also return 0 in ECX[15:8]. + + @param EAX CPUID_EXTENDED_TOPOLOGY (0x0B) + @param ECX Level number + + @retval EAX Extended topology information described by the type + CPUID_EXTENDED_TOPOLOGY_EAX. + @retval EBX Extended topology information described by the type + CPUID_EXTENDED_TOPOLOGY_EBX. + @retval ECX Extended topology information described by the type + CPUID_EXTENDED_TOPOLOGY_ECX. + @retval EDX x2APIC ID the current logical processor. + + <b>Example usage</b> + @code + CPUID_EXTENDED_TOPOLOGY_EAX Eax; + CPUID_EXTENDED_TOPOLOGY_EBX Ebx; + CPUID_EXTENDED_TOPOLOGY_ECX Ecx; + UINT32 Edx; + UINT32 LevelNumber; + + LevelNumber = 0; + do { + AsmCpuidEx ( + CPUID_EXTENDED_TOPOLOGY, LevelNumber, + &Eax.Uint32, &Ebx.Uint32, &Ecx.Uint32, &Edx + ); + LevelNumber++; + } while (Eax.Bits.ApicIdShift != 0); + @endcode +**/ +#define CPUID_EXTENDED_TOPOLOGY 0x0B + +/** + CPUID Extended Topology Information EAX for CPUID leaf #CPUID_EXTENDED_TOPOLOGY. +**/ +typedef union { + /// + /// Individual bit fields + /// + struct { + /// + /// [Bits 4:0] Number of bits to shift right on x2APIC ID to get a unique + /// topology ID of the next level type. All logical processors with the + /// same next level ID share current level. + /// + /// @note + /// Software should use this field (EAX[4:0]) to enumerate processor + /// topology of the system. + /// + UINT32 ApicIdShift:5; + UINT32 Reserved:27; + } Bits; + /// + /// All bit fields as a 32-bit value + /// + UINT32 Uint32; +} CPUID_EXTENDED_TOPOLOGY_EAX; + +/** + CPUID Extended Topology Information EBX for CPUID leaf #CPUID_EXTENDED_TOPOLOGY. +**/ +typedef union { + /// + /// Individual bit fields + /// + struct { + /// + /// [Bits 15:0] Number of logical processors at this level type. The number + /// reflects configuration as shipped by Intel. + /// + /// @note + /// Software must not use EBX[15:0] to enumerate processor topology of the + /// system. This value in this field (EBX[15:0]) is only intended for + /// display/diagnostic purposes. The actual number of logical processors + /// available to BIOS/OS/Applications may be different from the value of + /// EBX[15:0], depending on software and platform hardware configurations. + /// + UINT32 LogicalProcessors:16; + UINT32 Reserved:16; + } Bits; + /// + /// All bit fields as a 32-bit value + /// + UINT32 Uint32; +} CPUID_EXTENDED_TOPOLOGY_EBX; + +/** + CPUID Extended Topology Information ECX for CPUID leaf #CPUID_EXTENDED_TOPOLOGY. +**/ +typedef union { + /// + /// Individual bit fields + /// + struct { + /// + /// [Bits 7:0] Level number. Same value in ECX input. + /// + UINT32 LevelNumber:8; + /// + /// [Bits 15:8] Level type. + /// + /// @note + /// The value of the "level type" field is not related to level numbers in + /// any way, higher "level type" values do not mean higher levels. + /// + UINT32 LevelType:8; + UINT32 Reserved:16; + } Bits; + /// + /// All bit fields as a 32-bit value + /// + UINT32 Uint32; +} CPUID_EXTENDED_TOPOLOGY_ECX; + +/// +/// @{ Define value for CPUID_EXTENDED_TOPOLOGY_ECX.LevelType +/// +#define CPUID_EXTENDED_TOPOLOGY_LEVEL_TYPE_INVALID 0x00 +#define CPUID_EXTENDED_TOPOLOGY_LEVEL_TYPE_SMT 0x01 +#define CPUID_EXTENDED_TOPOLOGY_LEVEL_TYPE_CORE 0x02 +/// +/// @} +/// + + +/** + CPUID Extended State Information + + @param EAX CPUID_EXTENDED_STATE (0x0D) + @param ECX CPUID_EXTENDED_STATE_MAIN_LEAF (0x00). + CPUID_EXTENDED_STATE_SUB_LEAF (0x01). + CPUID_EXTENDED_STATE_SIZE_OFFSET (0x02). + Sub leafs 2..n based on supported bits in XCR0 or IA32_XSS_MSR. +**/ +#define CPUID_EXTENDED_STATE 0x0D + +/** + CPUID Extended State Information Main Leaf + + @param EAX CPUID_EXTENDED_STATE (0x0D) + @param ECX CPUID_EXTENDED_STATE_MAIN_LEAF (0x00) + + @retval EAX Reports the supported bits of the lower 32 bits of XCR0. XCR0[n] + can be set to 1 only if EAX[n] is 1. The format of the extended + state main leaf is described by the type + CPUID_EXTENDED_STATE_MAIN_LEAF_EAX. + @retval EBX Maximum size (bytes, from the beginning of the XSAVE/XRSTOR save + area) required by enabled features in XCR0. May be different than + ECX if some features at the end of the XSAVE save area are not + enabled. + @retval ECX Maximum size (bytes, from the beginning of the XSAVE/XRSTOR save + area) of the XSAVE/XRSTOR save area required by all supported + features in the processor, i.e all the valid bit fields in XCR0. + @retval EDX Reports the supported bits of the upper 32 bits of XCR0. + XCR0[n+32] can be set to 1 only if EDX[n] is 1. + + <b>Example usage</b> + @code + CPUID_EXTENDED_STATE_MAIN_LEAF_EAX Eax; + UINT32 Ebx; + UINT32 Ecx; + UINT32 Edx; + + AsmCpuidEx ( + CPUID_EXTENDED_STATE, CPUID_EXTENDED_STATE_MAIN_LEAF, + &Eax.Uint32, &Ebx, &Ecx, &Edx + ); + @endcode +**/ +#define CPUID_EXTENDED_STATE_MAIN_LEAF 0x00 + +/** + CPUID Extended State Information EAX for CPUID leaf #CPUID_EXTENDED_STATE, + sub-leaf #CPUID_EXTENDED_STATE_MAIN_LEAF. +**/ +typedef union { + /// + /// Individual bit fields + /// + struct { + /// + /// [Bit 0] x87 state. + /// + UINT32 x87:1; + /// + /// [Bit 1] SSE state. + /// + UINT32 SSE:1; + /// + /// [Bit 2] AVX state. + /// + UINT32 AVX:1; + /// + /// [Bits 4:3] MPX state. + /// + UINT32 MPX:2; + /// + /// [Bits 7:5] AVX-512 state. + /// + UINT32 AVX_512:3; + /// + /// [Bit 8] Used for IA32_XSS. + /// + UINT32 IA32_XSS:1; + /// + /// [Bit 9] PKRU state. + /// + UINT32 PKRU:1; + UINT32 Reserved:22; + } Bits; + /// + /// All bit fields as a 32-bit value + /// + UINT32 Uint32; +} CPUID_EXTENDED_STATE_MAIN_LEAF_EAX; + +/** + CPUID Extended State Information Sub Leaf + + @param EAX CPUID_EXTENDED_STATE (0x0D) + @param ECX CPUID_EXTENDED_STATE_SUB_LEAF (0x01) + + @retval EAX The format of the extended state sub-leaf is described by the + type CPUID_EXTENDED_STATE_SUB_LEAF_EAX. + @retval EBX The size in bytes of the XSAVE area containing all states + enabled by XCRO | IA32_XSS. + @retval ECX The format of the extended state sub-leaf is described by the + type CPUID_EXTENDED_STATE_SUB_LEAF_ECX. + @retval EDX Reports the supported bits of the upper 32 bits of the + IA32_XSS MSR. IA32_XSS[n+32] can be set to 1 only if EDX[n] is 1. + + <b>Example usage</b> + @code + CPUID_EXTENDED_STATE_SUB_LEAF_EAX Eax; + UINT32 Ebx; + CPUID_EXTENDED_STATE_SUB_LEAF_ECX Ecx; + UINT32 Edx; + + AsmCpuidEx ( + CPUID_EXTENDED_STATE, CPUID_EXTENDED_STATE_SUB_LEAF, + &Eax.Uint32, &Ebx, &Ecx.Uint32, &Edx + ); + @endcode +**/ +#define CPUID_EXTENDED_STATE_SUB_LEAF 0x01 + +/** + CPUID Extended State Information EAX for CPUID leaf #CPUID_EXTENDED_STATE, + sub-leaf #CPUID_EXTENDED_STATE_SUB_LEAF. +**/ +typedef union { + /// + /// Individual bit fields + /// + struct { + /// + /// [Bit 0] XSAVEOPT is available. + /// + UINT32 XSAVEOPT:1; + /// + /// [Bit 1] Supports XSAVEC and the compacted form of XRSTOR if set. + /// + UINT32 XSAVEC:1; + /// + /// [Bit 2] Supports XGETBV with ECX = 1 if set. + /// + UINT32 XGETBV:1; + /// + /// [Bit 3] Supports XSAVES/XRSTORS and IA32_XSS if set. + /// + UINT32 XSAVES:1; + UINT32 Reserved:28; + } Bits; + /// + /// All bit fields as a 32-bit value + /// + UINT32 Uint32; +} CPUID_EXTENDED_STATE_SUB_LEAF_EAX; + +/** + CPUID Extended State Information ECX for CPUID leaf #CPUID_EXTENDED_STATE, + sub-leaf #CPUID_EXTENDED_STATE_SUB_LEAF. +**/ +typedef union { + /// + /// Individual bit fields + /// + struct { + /// + /// [Bits 7:0] Used for XCR0. + /// + UINT32 XCR0:1; + /// + /// [Bit 8] PT STate. + /// + UINT32 PT:1; + /// + /// [Bit 9] Used for XCR0. + /// + UINT32 XCR0_1:1; + UINT32 Reserved:22; + } Bits; + /// + /// All bit fields as a 32-bit value + /// + UINT32 Uint32; +} CPUID_EXTENDED_STATE_SUB_LEAF_ECX; + +/** + CPUID Extended State Information Size and Offset Sub Leaf + + @note + Leaf 0DH output depends on the initial value in ECX. + Each sub-leaf index (starting at position 2) is supported if it corresponds to + a supported bit in either the XCR0 register or the IA32_XSS MSR. + If ECX contains an invalid sub-leaf index, EAX/EBX/ECX/EDX return 0. Sub-leaf + n (0 <= n <= 31) is invalid if sub-leaf 0 returns 0 in EAX[n] and sub-leaf 1 + returns 0 in ECX[n]. Sub-leaf n (32 <= n <= 63) is invalid if sub-leaf 0 + returns 0 in EDX[n-32] and sub-leaf 1 returns 0 in EDX[n-32]. + + @param EAX CPUID_EXTENDED_STATE (0x0D) + @param ECX CPUID_EXTENDED_STATE_SIZE_OFFSET (0x02). Sub leafs 2..n based + on supported bits in XCR0 or IA32_XSS_MSR. + + @retval EAX The size in bytes (from the offset specified in EBX) of the save + area for an extended state feature associated with a valid + sub-leaf index, n. + @retval EBX The offset in bytes of this extended state component's save area + from the beginning of the XSAVE/XRSTOR area. This field reports + 0 if the sub-leaf index, n, does not map to a valid bit in the + XCR0 register. + @retval ECX The format of the extended state components's save area as + described by the type CPUID_EXTENDED_STATE_SIZE_OFFSET_ECX. + This field reports 0 if the sub-leaf index, n, is invalid. + @retval EDX This field reports 0 if the sub-leaf index, n, is invalid; + otherwise it is reserved. + + <b>Example usage</b> + @code + UINT32 Eax; + UINT32 Ebx; + CPUID_EXTENDED_STATE_SIZE_OFFSET_ECX Ecx; + UINT32 Edx; + UINTN SubLeaf; + + for (SubLeaf = CPUID_EXTENDED_STATE_SIZE_OFFSET; SubLeaf < 32; SubLeaf++) { + AsmCpuidEx ( + CPUID_EXTENDED_STATE, SubLeaf, + &Eax, &Ebx, &Ecx.Uint32, &Edx + ); + } + @endcode +**/ +#define CPUID_EXTENDED_STATE_SIZE_OFFSET 0x02 + +/** + CPUID Extended State Information ECX for CPUID leaf #CPUID_EXTENDED_STATE, + sub-leaf #CPUID_EXTENDED_STATE_SIZE_OFFSET. +**/ +typedef union { + /// + /// Individual bit fields + /// + struct { + /// + /// [Bit 0] Is set if the bit n (corresponding to the sub-leaf index) is + /// supported in the IA32_XSS MSR; it is clear if bit n is instead supported + /// in XCR0. + /// + UINT32 XSS:1; + /// + /// [Bit 1] is set if, when the compacted format of an XSAVE area is used, + /// this extended state component located on the next 64-byte boundary + /// following the preceding state component (otherwise, it is located + /// immediately following the preceding state component). + /// + UINT32 Compacted:1; + UINT32 Reserved:30; + } Bits; + /// + /// All bit fields as a 32-bit value + /// + UINT32 Uint32; +} CPUID_EXTENDED_STATE_SIZE_OFFSET_ECX; + + +/** + CPUID Platform QoS Monitoring Information + + @param EAX CPUID_PLATFORM_QOS_MONITORING (0x0F) + @param ECX CPUID_PLATFORM_QOS_MONITORING_ENUMERATION_SUB_LEAF (0x00). + CPUID_PLATFORM_QOS_MONITORING_CAPABILITY_SUB_LEAF (0x01). + +**/ +#define CPUID_PLATFORM_QOS_MONITORING 0x0F + +/** + CPUID Platform QoS Monitoring Information Enumeration Sub-leaf + + @param EAX CPUID_PLATFORM_QOS_MONITORING (0x0F) + @param ECX CPUID_PLATFORM_QOS_MONITORING_ENUMERATION_SUB_LEAF (0x00) + + @retval EAX Reserved. + @retval EBX Maximum range (zero-based) of RMID within this physical + processor of all types. + @retval ECX Reserved. + @retval EDX L3 Cache QoS Monitoring Information Enumeration described by the + type CPUID_PLATFORM_QOS_MONITORING_ENUMERATION_SUB_LEAF_EDX. + + <b>Example usage</b> + @code + UINT32 Ebx; + CPUID_PLATFORM_QOS_MONITORING_ENUMERATION_SUB_LEAF_EDX Edx; + + AsmCpuidEx ( + CPUID_PLATFORM_QOS_MONITORING, CPUID_PLATFORM_QOS_MONITORING_ENUMERATION_SUB_LEAF, + NULL, &Ebx, NULL, &Edx.Uint32 + ); + @endcode +**/ +#define CPUID_PLATFORM_QOS_MONITORING_ENUMERATION_SUB_LEAF 0x00 + +/** + CPUID Platform QoS Monitoring Information EDX for CPUID leaf + #CPUID_PLATFORM_QOS_MONITORING, sub-leaf + #CPUID_PLATFORM_QOS_MONITORING_ENUMERATION_SUB_LEAF. +**/ +typedef union { + /// + /// Individual bit fields + /// + struct { + UINT32 Reserved1:1; + /// + /// [Bit 1] Supports L3 Cache QoS Monitoring if 1. + /// + UINT32 L3CacheQosEnforcement:1; + UINT32 Reserved2:30; + } Bits; + /// + /// All bit fields as a 32-bit value + /// + UINT32 Uint32; +} CPUID_PLATFORM_QOS_MONITORING_ENUMERATION_SUB_LEAF_EDX; + +/** + CPUID Platform QoS Monitoring Information Capability Sub-leaf + + @param EAX CPUID_PLATFORM_QOS_MONITORING (0x0F) + @param ECX CPUID_PLATFORM_QOS_MONITORING_CAPABILITY_SUB_LEAF (0x01) + + @retval EAX Reserved. + @retval EBX Conversion factor from reported IA32_QM_CTR value to occupancy metric (bytes). + @retval ECX Maximum range (zero-based) of RMID of this resource type. + @retval EDX L3 Cache QoS Monitoring Capability information described by the + type CPUID_PLATFORM_QOS_MONITORING_CAPABILITY_SUB_LEAF_EDX. + + <b>Example usage</b> + @code + UINT32 Ebx; + UINT32 Ecx; + CPUID_PLATFORM_QOS_MONITORING_CAPABILITY_SUB_LEAF_EDX Edx; + + AsmCpuidEx ( + CPUID_PLATFORM_QOS_MONITORING, CPUID_PLATFORM_QOS_MONITORING_CAPABILITY_SUB_LEAF, + NULL, &Ebx, &Ecx, &Edx.Uint32 + ); + @endcode +**/ +#define CPUID_PLATFORM_QOS_MONITORING_CAPABILITY_SUB_LEAF 0x01 + +/** + CPUID Platform QoS Monitoring Information Capability EDX for CPUID leaf + #CPUID_PLATFORM_QOS_MONITORING, sub-leaf + #CPUID_PLATFORM_QOS_MONITORING_CAPABILITY_SUB_LEAF. +**/ +typedef union { + /// + /// Individual bit fields + /// + struct { + /// + /// [Bit 0] Supports L3 occupancy monitoring if 1. + /// + UINT32 L3CacheOccupancyMonitoring:1; + UINT32 Reserved:31; + } Bits; + /// + /// All bit fields as a 32-bit value + /// + UINT32 Uint32; +} CPUID_PLATFORM_QOS_MONITORING_CAPABILITY_SUB_LEAF_EDX; + + +/** + CPUID Platform QoS Enforcement Information + + @param EAX CPUID_PLATFORM_QOS_ENFORCEMENT (0x10). + @param ECX CPUID_PLATFORM_QOS_ENFORCEMENT_MAIN_LEAF (0x00). + CPUID_PLATFORM_QOS_ENFORCEMENT_RESID_SUB_LEAF (0x01). + Additional sub leafs 1..n based in RESID from sub leaf 0x00. +**/ +#define CPUID_PLATFORM_QOS_ENFORCEMENT 0x10 + +/** + CPUID Platform QoS Enforcement Information + + @param EAX CPUID_PLATFORM_QOS_ENFORCEMENT (0x10) + @param ECX CPUID_PLATFORM_QOS_ENFORCEMENT_MAIN_LEAF (0x00). + + @retval EAX Reserved. + @retval EBX L3 Cache QoS Enforcement information described by the + type CPUID_PLATFORM_QOS_ENFORCEMENT_MAIN_LEAF_EBX. + @retval ECX Reserved. + @retval EDX Reserved. + + <b>Example usage</b> + @code + CPUID_PLATFORM_QOS_ENFORCEMENT_MAIN_LEAF_EBX Ebx; + + AsmCpuidEx ( + CPUID_PLATFORM_QOS_ENFORCEMENT, CPUID_PLATFORM_QOS_ENFORCEMENT_MAIN_LEAF, + NULL, &Ebx.Uint32, NULL, NULL + ); + @endcode +**/ +#define CPUID_PLATFORM_QOS_ENFORCEMENT_MAIN_LEAF 0x00 + +/** + CPUID Platform QoS Enforcement Information EBX for CPUID leaf + #CPUID_PLATFORM_QOS_ENFORCEMENT, sub-leaf + #CPUID_PLATFORM_QOS_ENFORCEMENT_MAIN_LEAF. +**/ +typedef union { + /// + /// Individual bit fields + /// + struct { + UINT32 Reserved1:1; + /// + /// [Bit 1] Supports L3 Cache QoS Enforcement if 1. + /// + UINT32 L3CacheQosEnforcement:1; + UINT32 Reserved2:30; + } Bits; + /// + /// All bit fields as a 32-bit value + /// + UINT32 Uint32; +} CPUID_PLATFORM_QOS_ENFORCEMENT_MAIN_LEAF_EBX; + + +/** + CPUID Platform QoS Enforcement Information + + @param EAX CPUID_PLATFORM_QOS_ENFORCEMENT (0x10) + @param ECX CPUID_PLATFORM_QOS_ENFORCEMENT_RESID_SUB_LEAF (0x00) + Additional sub leafs 1..n based in RESID from sub leaf 0x00. + + @retval EAX RESID L3 Cache3 QoS Enforcement information described by the + type CPUID_PLATFORM_QOS_ENFORCEMENT_RESID_SUB_LEAF_EAX. + @retval EBX Bit-granular map of isolation/contention of allocation units. + @retval ECX RESID L3 Cache3 QoS Enforcement information described by the + type CPUID_PLATFORM_QOS_ENFORCEMENT_RESID_SUB_LEAF_ECX. + @retval EDX RESID L3 Cache3 QoS Enforcement information described by the + type CPUID_PLATFORM_QOS_ENFORCEMENT_RESID_SUB_LEAF_EDX. + + <b>Example usage</b> + @code + CPUID_PLATFORM_QOS_ENFORCEMENT_RESID_SUB_LEAF_EAX Eax; + UINT32 Ebx; + CPUID_PLATFORM_QOS_ENFORCEMENT_RESID_SUB_LEAF_ECX Ecx; + CPUID_PLATFORM_QOS_ENFORCEMENT_RESID_SUB_LEAF_EDX Edx; + + AsmCpuidEx ( + CPUID_PLATFORM_QOS_ENFORCEMENT, CPUID_PLATFORM_QOS_ENFORCEMENT_RESID_SUB_LEAF, + &Eax.Uint32, &Ebx, &Ecx.Uint32, &Edx.Uint32 + ); + @endcode +**/ +#define CPUID_PLATFORM_QOS_ENFORCEMENT_RESID_SUB_LEAF 0x01 + +/** + CPUID Platform QoS Enforcement Information EAX for CPUID leaf + #CPUID_PLATFORM_QOS_ENFORCEMENT, sub-leaf + #CPUID_PLATFORM_QOS_ENFORCEMENT_RESID_SUB_LEAF. +**/ +typedef union { + /// + /// Individual bit fields + /// + struct { + /// + /// [Bits 3:0] Length of the capacity bit mask for the corresponding ResID. + /// + UINT32 CapacityLength:4; + UINT32 Reserved:28; + } Bits; + /// + /// All bit fields as a 32-bit value + /// + UINT32 Uint32; +} CPUID_PLATFORM_QOS_ENFORCEMENT_RESID_SUB_LEAF_EAX; + +/** + CPUID Platform QoS Enforcement Information ECX for CPUID leaf + #CPUID_PLATFORM_QOS_ENFORCEMENT, sub-leaf + #CPUID_PLATFORM_QOS_ENFORCEMENT_RESID_SUB_LEAF. +**/ +typedef union { + /// + /// Individual bit fields + /// + struct { + UINT32 Reserved1:1; + /// + /// [Bit 1] Updates of COS should be infrequent if 1. + /// + UINT32 CosUpdatesInfrequent:1; + /// + /// [Bit 2] Code and Data Prioritization Technology supported if 1. + /// + UINT32 CodeDataPrioritization:1; + UINT32 Reserved2:29; + } Bits; + /// + /// All bit fields as a 32-bit value + /// + UINT32 Uint32; +} CPUID_PLATFORM_QOS_ENFORCEMENT_RESID_SUB_LEAF_ECX; + +/** + CPUID Platform QoS Enforcement Information EDX for CPUID leaf + #CPUID_PLATFORM_QOS_ENFORCEMENT, sub-leaf + #CPUID_PLATFORM_QOS_ENFORCEMENT_RESID_SUB_LEAF. +**/ +typedef union { + /// + /// Individual bit fields + /// + struct { + /// + /// [Bits 15:0] Highest COS number supported for this ResID. + /// + UINT32 HighestCosNumber:16; + UINT32 Reserved:16; + } Bits; + /// + /// All bit fields as a 32-bit value + /// + UINT32 Uint32; +} CPUID_PLATFORM_QOS_ENFORCEMENT_RESID_SUB_LEAF_EDX; + + +/** + CPUID Intel Processor Trace Information + + @param EAX CPUID_INTEL_PROCESSOR_TRACE (0x14) + @param ECX CPUID_INTEL_PROCESSOR_TRACE_MAIN_LEAF (0x00). + CPUID_INTEL_PROCESSOR_TRACE_SUB_LEAF (0x01). + +**/ +#define CPUID_INTEL_PROCESSOR_TRACE 0x14 + +/** + CPUID Intel Processor Trace Information Main Leaf + + @param EAX CPUID_INTEL_PROCEDSSOR_TRACE (0x14) + @param ECX CPUID_INTEL_PROCEDSSOR_TRACE_MAIN_LEAF (0x00) + + @retval EAX Reports the maximum sub-leaf supported in leaf 14H. + @retval EBX Returns Intel processor trace information described by the + type CPUID_INTEL_PROCESSOR_TRACE_MAIN_LEAF_EBX. + @retval ECX Returns Intel processor trace information described by the + type CPUID_INTEL_PROCESSOR_TRACE_MAIN_LEAF_ECX. + @retval EDX Reserved. + + <b>Example usage</b> + @code + UINT32 Eax; + CPUID_INTEL_PROCESSOR_TRACE_MAIN_LEAF_EBX Ebx; + CPUID_INTEL_PROCESSOR_TRACE_MAIN_LEAF_ECX Ecx; + + AsmCpuidEx ( + CPUID_INTEL_PROCESSOR_TRACE, CPUID_INTEL_PROCESSOR_TRACE_MAIN_LEAF, + &Eax, &Ebx.Uint32, &Ecx.Uint32, NULL + ); + @endcode +**/ +#define CPUID_INTEL_PROCESSOR_TRACE_MAIN_LEAF 0x00 + +/** + CPUID Intel Processor Trace EBX for CPUID leaf #CPUID_INTEL_PROCESSOR_TRACE, + sub-leaf #CPUID_INTEL_PROCESSOR_TRACE_MAIN_LEAF. +**/ +typedef union { + /// + /// Individual bit fields + /// + struct { + /// + /// [Bit 0] If 1, Indicates that IA32_RTIT_CTL.CR3Filter can be set to 1, + /// and that IA32_RTIT_CR3_MATCH MSR can be accessed. + /// + UINT32 Cr3Filter:1; + /// + /// [Bit 1] If 1, Indicates support of Configurable PSB and Cycle-Accurate + /// Mode. + /// + UINT32 ConfigurablePsb:1; + /// + /// [Bit 2] If 1, Indicates support of IP Filtering, TraceStop filtering, + /// and preservation of Intel PT MSRs across warm reset. + /// + UINT32 IpTraceStopFiltering:1; + /// + /// [Bit 3] If 1, Indicates support of MTC timing packet and suppression of + /// COFI-based packets. + /// + UINT32 Mtc:1; + UINT32 Reserved:28; + } Bits; + /// + /// All bit fields as a 32-bit value + /// + UINT32 Uint32; +} CPUID_INTEL_PROCESSOR_TRACE_MAIN_LEAF_EBX; + +/** + CPUID Intel Processor Trace ECX for CPUID leaf #CPUID_INTEL_PROCESSOR_TRACE, + sub-leaf #CPUID_INTEL_PROCESSOR_TRACE_MAIN_LEAF. +**/ +typedef union { + /// + /// Individual bit fields + /// + struct { + /// + /// [Bit 0] If 1, Tracing can be enabled with IA32_RTIT_CTL.ToPA = 1, hence + /// utilizing the ToPA output scheme; IA32_RTIT_OUTPUT_BASE and + /// IA32_RTIT_OUTPUT_MASK_PTRS MSRs can be accessed. + /// + UINT32 RTIT:1; + /// + /// [Bit 1] If 1, ToPA tables can hold any number of output entries, up to + /// the maximum allowed by the MaskOrTableOffset field of + /// IA32_RTIT_OUTPUT_MASK_PTRS. + /// + UINT32 ToPA:1; + /// + /// [Bit 2] If 1, Indicates support of Single-Range Output scheme. + /// + UINT32 SingleRangeOutput:1; + /// + /// [Bit 3] If 1, Indicates support of output to Trace Transport subsystem. + /// + UINT32 TraceTransportSubsystem:1; + UINT32 Reserved:27; + /// + /// [Bit 31] If 1, Generated packets which contain IP payloads have LIP + /// values, which include the CS base component. + /// + UINT32 LIP:1; + } Bits; + /// + /// All bit fields as a 32-bit value + /// + UINT32 Uint32; +} CPUID_INTEL_PROCESSOR_TRACE_MAIN_LEAF_ECX; + + +/** + CPUID Intel Processor Trace Information Sub-leaf + + @param EAX CPUID_INTEL_PROCEDSSOR_TRACE (0x14) + @param ECX CPUID_INTEL_PROCESSOR_TRACE_SUB_LEAF (0x01) + + @retval EAX Returns Intel processor trace information described by the + type CPUID_INTEL_PROCESSOR_TRACE_SUB_LEAF_EAX. + @retval EBX Returns Intel processor trace information described by the + type CPUID_INTEL_PROCESSOR_TRACE_SUB_LEAF_EBX. + @retval ECX Reserved. + @retval EDX Reserved. + + <b>Example usage</b> + @code + UINT32 MaximumSubLeaf; + UINT32 SubLeaf; + CPUID_INTEL_PROCESSOR_TRACE_SUB_LEAF_EAX Eax; + CPUID_INTEL_PROCESSOR_TRACE_SUB_LEAF_EBX Ebx; + + AsmCpuidEx ( + CPUID_INTEL_PROCESSOR_TRACE, CPUID_INTEL_PROCESSOR_TRACE_MAIN_LEAF, + &MaximumSubLeaf, NULL, NULL, NULL + ); + + for (SubLeaf = CPUID_INTEL_PROCESSOR_TRACE_SUB_LEAF; SubLeaf <= MaximumSubLeaf; SubLeaf++) { + AsmCpuidEx ( + CPUID_INTEL_PROCESSOR_TRACE, SubLeaf, + &Eax.Uint32, &Ebx.Uint32, NULL, NULL + ); + } + @endcode +**/ +#define CPUID_INTEL_PROCESSOR_TRACE_SUB_LEAF 0x01 + +/** + CPUID Intel Processor Trace EAX for CPUID leaf #CPUID_INTEL_PROCESSOR_TRACE, + sub-leaf #CPUID_INTEL_PROCESSOR_TRACE_SUB_LEAF. +**/ +typedef union { + /// + /// Individual bit fields + /// + struct { + /// + /// [Bits 2:0] Number of configurable Address Ranges for filtering. + /// + UINT32 ConfigurableAddressRanges:3; + UINT32 Reserved:13; + /// + /// [Bits 31:16] Bitmap of supported MTC period encodings + /// + UINT32 MtcPeriodEncodings:16; + + } Bits; + /// + /// All bit fields as a 32-bit value + /// + UINT32 Uint32; +} CPUID_INTEL_PROCESSOR_TRACE_SUB_LEAF_EAX; + +/** + CPUID Intel Processor Trace EBX for CPUID leaf #CPUID_INTEL_PROCESSOR_TRACE, + sub-leaf #CPUID_INTEL_PROCESSOR_TRACE_SUB_LEAF. +**/ +typedef union { + /// + /// Individual bit fields + /// + struct { + /// + /// [Bits 15:0] Bitmap of supported Cycle Threshold value encodings. + /// + UINT32 CycleThresholdEncodings:16; + /// + /// [Bits 31:16] Bitmap of supported Configurable PSB frequency encodings. + /// + UINT32 PsbFrequencyEncodings:16; + + } Bits; + /// + /// All bit fields as a 32-bit value + /// + UINT32 Uint32; +} CPUID_INTEL_PROCESSOR_TRACE_SUB_LEAF_EBX; + + +/** + CPUID Time Stamp Counter Information + + @note + If EBX[31:0] is 0, the TSC/"core crystal clock" ratio is not enumerated. + EBX[31:0]/EAX[31:0] indicates the ratio of the TSC frequency and the core + crystal clock frequency. + "TSC frequency" = "core crystal clock frequency" * EBX/EAX. + The core crystal clock may differ from the reference clock, bus clock, or core + clock frequencies. + + @param EAX CPUID_TIME_STAMP_COUNTER (0x15) + + @retval EAX An unsigned integer which is the denominator of the + TSC/"core crystal clock" ratio + @retval EBX An unsigned integer which is the numerator of the + TSC/"core crystal clock" ratio. + @retval ECX Reserved. + @retval EDX Reserved. + + <b>Example usage</b> + @code + UINT32 Eax; + UINT32 Ebx; + + AsmCpuid (CPUID_TIME_STAMP_COUNTER, &Eax, &Ebx, NULL, NULL); + @endcode +**/ +#define CPUID_TIME_STAMP_COUNTER 0x15 + + +/** + CPUID Processor Frequency Information + + @note + Data is returned from this interface in accordance with the processor's + specification and does not reflect actual values. Suitable use of this data + includes the display of processor information in like manner to the processor + brand string and for determining the appropriate range to use when displaying + processor information e.g. frequency history graphs. The returned information + should not be used for any other purpose as the returned information does not + accurately correlate to information / counters returned by other processor + interfaces. While a processor may support the Processor Frequency Information + leaf, fields that return a value of zero are not supported. + + @param EAX CPUID_TIME_STAMP_COUNTER (0x16) + + @retval EAX Returns processor base frequency information described by the + type CPUID_PROCESSOR_FREQUENCY_EAX. + @retval EBX Returns maximum frequency information described by the type + CPUID_PROCESSOR_FREQUENCY_EBX. + @retval ECX Returns bus frequency information described by the type + CPUID_PROCESSOR_FREQUENCY_ECX. + @retval EDX Reserved. + + <b>Example usage</b> + @code + CPUID_PROCESSOR_FREQUENCY_EAX Eax; + CPUID_PROCESSOR_FREQUENCY_EBX Ebx; + CPUID_PROCESSOR_FREQUENCY_ECX Ecx; + + AsmCpuid (CPUID_PROCESSOR_FREQUENCY, &Eax.Uint32, &Ebx.Uint32, &Ecx.Uint32, NULL); + @endcode +**/ +#define CPUID_PROCESSOR_FREQUENCY 0x16 + +/** + CPUID Processor Frequency Information EAX for CPUID leaf + #CPUID_PROCESSOR_FREQUENCY. +**/ +typedef union { + /// + /// Individual bit fields + /// + struct { + /// + /// [Bits 15:0] Processor Base Frequency (in MHz). + /// + UINT32 ProcessorBaseFrequency:16; + UINT32 Reserved:16; + } Bits; + /// + /// All bit fields as a 32-bit value + /// + UINT32 Uint32; +} CPUID_PROCESSOR_FREQUENCY_EAX; + +/** + CPUID Processor Frequency Information EBX for CPUID leaf + #CPUID_PROCESSOR_FREQUENCY. +**/ +typedef union { + /// + /// Individual bit fields + /// + struct { + /// + /// [Bits 15:0] Maximum Frequency (in MHz). + /// + UINT32 MaximumFrequency:16; + UINT32 Reserved:16; + } Bits; + /// + /// All bit fields as a 32-bit value + /// + UINT32 Uint32; +} CPUID_PROCESSOR_FREQUENCY_EBX; + +/** + CPUID Processor Frequency Information ECX for CPUID leaf + #CPUID_PROCESSOR_FREQUENCY. +**/ +typedef union { + /// + /// Individual bit fields + /// + struct { + /// + /// [Bits 15:0] Bus (Reference) Frequency (in MHz). + /// + UINT32 BusFrequency:16; + UINT32 Reserved:16; + } Bits; + /// + /// All bit fields as a 32-bit value + /// + UINT32 Uint32; +} CPUID_PROCESSOR_FREQUENCY_ECX; + -#define CPUID_VERSION_INFO 0x1 +/** + CPUID SoC Vendor Information -#define CPUID_CACHE_INFO 0x2 + @param EAX CPUID_SOC_VENDOR (0x17) + @param ECX CPUID_SOC_VENDOR_MAIN_LEAF (0x00) + CPUID_SOC_VENDOR_BRAND_STRING1 (0x01) + CPUID_SOC_VENDOR_BRAND_STRING1 (0x02) + CPUID_SOC_VENDOR_BRAND_STRING1 (0x03) -#define CPUID_SERIAL_NUMBER 0x3 + @note + Leaf 17H output depends on the initial value in ECX. SOC Vendor Brand String + is a UTF-8 encoded string padded with trailing bytes of 00H. The complete SOC + Vendor Brand String is constructed by concatenating in ascending order of + EAX:EBX:ECX:EDX and from the sub-leaf 1 fragment towards sub-leaf 3. -#define CPUID_CACHE_PARAMS 0x4 +**/ +#define CPUID_SOC_VENDOR 0x17 + +/** + CPUID SoC Vendor Information + + @param EAX CPUID_SOC_VENDOR (0x17) + @param ECX CPUID_SOC_VENDOR_MAIN_LEAF (0x00) + + @retval EAX MaxSOCID_Index. Reports the maximum input value of supported + sub-leaf in leaf 17H. + @retval EBX Returns SoC Vendor information described by the type + CPUID_SOC_VENDOR_MAIN_LEAF_EBX. + @retval ECX Project ID. A unique number an SOC vendor assigns to its SOC + projects. + @retval EDX Stepping ID. A unique number within an SOC project that an SOC + vendor assigns. + + <b>Example usage</b> + @code + UINT32 Eax; + CPUID_SOC_VENDOR_MAIN_LEAF_EBX Ebx; + UINT32 Ecx; + UINT32 Edx; + + AsmCpuidEx ( + CPUID_SOC_VENDOR, CPUID_SOC_VENDOR_MAIN_LEAF, + &Eax, &Ebx.Uint32, &Ecx, &Edx + ); + @endcode +**/ +#define CPUID_SOC_VENDOR_MAIN_LEAF 0x00 + +/** + CPUID SoC Vendor Information EBX for CPUID leaf #CPUID_SOC_VENDOR sub-leaf + #CPUID_SOC_VENDOR_MAIN_LEAF. +**/ +typedef union { + /// + /// Individual bit fields + /// + struct { + /// + /// [Bits 15:0] SOC Vendor ID. + /// + UINT32 SocVendorId:16; + /// + /// [Bit 16] If 1, the SOC Vendor ID field is assigned via an industry + /// standard enumeration scheme. Otherwise, the SOC Vendor ID field is + /// assigned by Intel. + /// + UINT32 IsVendorScheme:1; + UINT32 Reserved:15; + } Bits; + /// + /// All bit fields as a 32-bit value + /// + UINT32 Uint32; +} CPUID_SOC_VENDOR_MAIN_LEAF_EBX; + +/** + CPUID SoC Vendor Information + + @param EAX CPUID_SOC_VENDOR (0x17) + @param ECX CPUID_SOC_VENDOR_BRAND_STRING1 (0x01) + + @retval EAX SOC Vendor Brand String. UTF-8 encoded string of type + CPUID_SOC_VENDOR_BRAND_STRING_DATA. + @retval EBX SOC Vendor Brand String. UTF-8 encoded string of type + CPUID_SOC_VENDOR_BRAND_STRING_DATA. + @retval ECX SOC Vendor Brand String. UTF-8 encoded string of type + CPUID_SOC_VENDOR_BRAND_STRING_DATA. + @retval EDX SOC Vendor Brand String. UTF-8 encoded string of type + CPUID_SOC_VENDOR_BRAND_STRING_DATA. + + <b>Example usage</b> + @code + CPUID_SOC_VENDOR_BRAND_STRING_DATA Eax; + CPUID_SOC_VENDOR_BRAND_STRING_DATA Ebx; + CPUID_SOC_VENDOR_BRAND_STRING_DATA Ecx; + CPUID_SOC_VENDOR_BRAND_STRING_DATA Edx; + + AsmCpuidEx ( + CPUID_SOC_VENDOR, CPUID_SOC_VENDOR_BRAND_STRING1, + &Eax.Uint32, &Ebx.Uint32, &Ecx.Uint32, &Edx.Uint32 + ); + @endcode +**/ +#define CPUID_SOC_VENDOR_BRAND_STRING1 0x01 + +/** + CPUID SoC Vendor Brand String for CPUID leafs #CPUID_SOC_VENDOR_BRAND_STRING1, + #CPUID_SOC_VENDOR_BRAND_STRING2, and #CPUID_SOC_VENDOR_BRAND_STRING3. +**/ +typedef union { + /// + /// 4 UTF-8 characters of Soc Vendor Brand String + /// + CHAR8 BrandString[4]; + /// + /// All fields as a 32-bit value + /// + UINT32 Uint32; +} CPUID_SOC_VENDOR_BRAND_STRING_DATA; + +/** + CPUID SoC Vendor Information + + @param EAX CPUID_SOC_VENDOR (0x17) + @param ECX CPUID_SOC_VENDOR_BRAND_STRING2 (0x02) + + @retval EAX SOC Vendor Brand String. UTF-8 encoded string of type + CPUID_SOC_VENDOR_BRAND_STRING_DATA. + @retval EBX SOC Vendor Brand String. UTF-8 encoded string of type + CPUID_SOC_VENDOR_BRAND_STRING_DATA. + @retval ECX SOC Vendor Brand String. UTF-8 encoded string of type + CPUID_SOC_VENDOR_BRAND_STRING_DATA. + @retval EDX SOC Vendor Brand String. UTF-8 encoded string of type + CPUID_SOC_VENDOR_BRAND_STRING_DATA. + + <b>Example usage</b> + @code + CPUID_SOC_VENDOR_BRAND_STRING_DATA Eax; + CPUID_SOC_VENDOR_BRAND_STRING_DATA Ebx; + CPUID_SOC_VENDOR_BRAND_STRING_DATA Ecx; + CPUID_SOC_VENDOR_BRAND_STRING_DATA Edx; + + AsmCpuidEx ( + CPUID_SOC_VENDOR, CPUID_SOC_VENDOR_BRAND_STRING2, + &Eax.Uint32, &Ebx.Uint32, &Ecx.Uint32, &Edx.Uint32 + ); + @endcode +**/ +#define CPUID_SOC_VENDOR_BRAND_STRING2 0x02 + +/** + CPUID SoC Vendor Information + + @param EAX CPUID_SOC_VENDOR (0x17) + @param ECX CPUID_SOC_VENDOR_BRAND_STRING3 (0x03) -#define CPUID_MONITOR_MWAIT 0x5 + @retval EAX SOC Vendor Brand String. UTF-8 encoded string of type + CPUID_SOC_VENDOR_BRAND_STRING_DATA. + @retval EBX SOC Vendor Brand String. UTF-8 encoded string of type + CPUID_SOC_VENDOR_BRAND_STRING_DATA. + @retval ECX SOC Vendor Brand String. UTF-8 encoded string of type + CPUID_SOC_VENDOR_BRAND_STRING_DATA. + @retval EDX SOC Vendor Brand String. UTF-8 encoded string of type + CPUID_SOC_VENDOR_BRAND_STRING_DATA. + + <b>Example usage</b> + @code + CPUID_SOC_VENDOR_BRAND_STRING_DATA Eax; + CPUID_SOC_VENDOR_BRAND_STRING_DATA Ebx; + CPUID_SOC_VENDOR_BRAND_STRING_DATA Ecx; + CPUID_SOC_VENDOR_BRAND_STRING_DATA Edx; + + AsmCpuidEx ( + CPUID_SOC_VENDOR, CPUID_SOC_VENDOR_BRAND_STRING3, + &Eax.Uint32, &Ebx.Uint32, &Ecx.Uint32, &Edx.Uint32 + ); + @endcode +**/ +#define CPUID_SOC_VENDOR_BRAND_STRING3 0x03 -#define CPUID_EXTENDED_TOPOLOGY 0xB -#define CPUID_EXTENDED_TOPOLOGY_LEVEL_TYPE_INVALID 0x0 -#define CPUID_EXTENDED_TOPOLOGY_LEVEL_TYPE_SMT 0x1 -#define CPUID_EXTENDED_TOPOLOGY_LEVEL_TYPE_CORE 0x2 +/** + CPUID Extended Function + + @param EAX CPUID_EXTENDED_FUNCTION (0x80000000) + + @retval EAX Maximum Input Value for Extended Function CPUID Information. + @retval EBX Reserved. + @retval ECX Reserved. + @retval EDX Reserved. + + <b>Example usage</b> + @code + UINT32 Eax; + + AsmCpuid (CPUID_EXTENDED_FUNCTION, &Eax, NULL, NULL, NULL); + @endcode +**/ #define CPUID_EXTENDED_FUNCTION 0x80000000 + +/** + CPUID Extended Processor Signature and Feature Bits + + @param EAX CPUID_EXTENDED_CPU_SIG (0x80000001) + + @retval EAX CPUID_EXTENDED_CPU_SIG. + @retval EBX Reserved. + @retval ECX Extended Processor Signature and Feature Bits information + described by the type CPUID_EXTENDED_CPU_SIG_ECX. + @retval EDX Extended Processor Signature and Feature Bits information + described by the type CPUID_EXTENDED_CPU_SIG_EDX. + + <b>Example usage</b> + @code + UINT32 Eax; + CPUID_EXTENDED_CPU_SIG_ECX Ecx; + CPUID_EXTENDED_CPU_SIG_EDX Edx; + + AsmCpuid (CPUID_EXTENDED_CPU_SIG, &Eax, NULL, &Ecx.Uint32, &Edx.Uint32); + @endcode +**/ #define CPUID_EXTENDED_CPU_SIG 0x80000001 +/** + CPUID Extended Processor Signature and Feature Bits ECX for CPUID leaf + #CPUID_EXTENDED_CPU_SIG. +**/ +typedef union { + /// + /// Individual bit fields + /// + struct { + /// + /// [Bit 0] LAHF/SAHF available in 64-bit mode. + /// + UINT32 LAHF_SAHF:1; + UINT32 Reserved1:4; + /// + /// [Bit 5] LZCNT. + /// + UINT32 LZCNT:1; + UINT32 Reserved2:2; + /// + /// [Bit 8] PREFETCHW. + /// + UINT32 PREFETCHW:1; + UINT32 Reserved3:23; + } Bits; + /// + /// All bit fields as a 32-bit value + /// + UINT32 Uint32; +} CPUID_EXTENDED_CPU_SIG_ECX; + +/** + CPUID Extended Processor Signature and Feature Bits EDX for CPUID leaf + #CPUID_EXTENDED_CPU_SIG. +**/ +typedef union { + /// + /// Individual bit fields + /// + struct { + UINT32 Reserved1:11; + /// + /// [Bit 11] SYSCALL/SYSRET available in 64-bit mode. + /// + UINT32 SYSCALL_SYSRET:1; + UINT32 Reserved2:8; + /// + /// [Bit 20] Execute Disable Bit available. + /// + UINT32 NX:1; + UINT32 Reserved3:5; + /// + /// [Bit 26] 1-GByte pages are available if 1. + /// + UINT32 Page1GB:1; + /// + /// [Bit 27] RDTSCP and IA32_TSC_AUX are available if 1. + /// + UINT32 RDTSCP:1; + UINT32 Reserved4:1; + /// + /// [Bit 29] Intel(R) 64 Architecture available if 1. + /// + UINT32 LM:1; + UINT32 Reserved5:2; + } Bits; + /// + /// All bit fields as a 32-bit value + /// + UINT32 Uint32; +} CPUID_EXTENDED_CPU_SIG_EDX; + + +/** + CPUID Processor Brand String + + @param EAX CPUID_BRAND_STRING1 (0x80000002) + + @retval EAX Processor Brand String in type CPUID_BRAND_STRING_DATA. + @retval EBX Processor Brand String Continued in type CPUID_BRAND_STRING_DATA. + @retval ECX Processor Brand String Continued in type CPUID_BRAND_STRING_DATA. + @retval EDX Processor Brand String Continued in type CPUID_BRAND_STRING_DATA. + + <b>Example usage</b> + @code + CPUID_BRAND_STRING_DATA Eax; + CPUID_BRAND_STRING_DATA Ebx; + CPUID_BRAND_STRING_DATA Ecx; + CPUID_BRAND_STRING_DATA Edx; + + AsmCpuid (CPUID_BRAND_STRING1, &Eax.Uint32, &Ebx.Uint32, &Ecx.Uint32, &Edx.Uint32); + @endcode +**/ #define CPUID_BRAND_STRING1 0x80000002 +/** + CPUID Processor Brand String for CPUID leafs #CPUID_BRAND_STRING1, + #CPUID_BRAND_STRING2, and #CPUID_BRAND_STRING3. +**/ +typedef union { + /// + /// 4 ASCII characters of Processor Brand String + /// + CHAR8 BrandString[4]; + /// + /// All fields as a 32-bit value + /// + UINT32 Uint32; +} CPUID_BRAND_STRING_DATA; + +/** + CPUID Processor Brand String + + @param EAX CPUID_BRAND_STRING2 (0x80000003) + + @retval EAX Processor Brand String Continued in type CPUID_BRAND_STRING_DATA. + @retval EBX Processor Brand String Continued in type CPUID_BRAND_STRING_DATA. + @retval ECX Processor Brand String Continued in type CPUID_BRAND_STRING_DATA. + @retval EDX Processor Brand String Continued in type CPUID_BRAND_STRING_DATA. + + <b>Example usage</b> + @code + CPUID_BRAND_STRING_DATA Eax; + CPUID_BRAND_STRING_DATA Ebx; + CPUID_BRAND_STRING_DATA Ecx; + CPUID_BRAND_STRING_DATA Edx; + + AsmCpuid (CPUID_BRAND_STRING2, &Eax.Uint32, &Ebx.Uint32, &Ecx.Uint32, &Edx.Uint32); + @endcode +**/ #define CPUID_BRAND_STRING2 0x80000003 +/** + CPUID Processor Brand String + + @param EAX CPUID_BRAND_STRING3 (0x80000004) + + @retval EAX Processor Brand String Continued in type CPUID_BRAND_STRING_DATA. + @retval EBX Processor Brand String Continued in type CPUID_BRAND_STRING_DATA. + @retval ECX Processor Brand String Continued in type CPUID_BRAND_STRING_DATA. + @retval EDX Processor Brand String Continued in type CPUID_BRAND_STRING_DATA. + + <b>Example usage</b> + @code + CPUID_BRAND_STRING_DATA Eax; + CPUID_BRAND_STRING_DATA Ebx; + CPUID_BRAND_STRING_DATA Ecx; + CPUID_BRAND_STRING_DATA Edx; + + AsmCpuid (CPUID_BRAND_STRING3, &Eax.Uint32, &Ebx.Uint32, &Ecx.Uint32, &Edx.Uint32); + @endcode +**/ #define CPUID_BRAND_STRING3 0x80000004 + +/** + CPUID Extended Cache information + + @param EAX CPUID_EXTENDED_CACHE_INFO (0x80000006) + + @retval EAX Reserved. + @retval EBX Reserved. + @retval ECX Extended cache information described by the type + CPUID_EXTENDED_CACHE_INFO_ECX. + @retval EDX Reserved. + + <b>Example usage</b> + @code + CPUID_EXTENDED_CACHE_INFO_ECX Ecx; + + AsmCpuid (CPUID_EXTENDED_CACHE_INFO, NULL, NULL, &Ecx.Uint32, NULL); + @endcode +**/ +#define CPUID_EXTENDED_CACHE_INFO 0x80000006 + +/** + CPUID Extended Cache information ECX for CPUID leaf #CPUID_EXTENDED_CACHE_INFO. +**/ +typedef union { + /// + /// Individual bit fields + /// + struct { + /// + /// [Bits 7:0] Cache line size in bytes. + /// + UINT32 CacheLineSize:8; + UINT32 Reserved:4; + /// + /// [Bits 15:12] L2 Associativity field. Supported values are in the range + /// #CPUID_EXTENDED_CACHE_INFO_ECX_L2_ASSOCIATIVITY_DISABLED to + /// #CPUID_EXTENDED_CACHE_INFO_ECX_L2_ASSOCIATIVITY_FULL + /// + UINT32 L2Associativity:4; + /// + /// [Bits 31:16] Cache size in 1K units. + /// + UINT32 CacheSize:16; + } Bits; + /// + /// All bit fields as a 32-bit value + /// + UINT32 Uint32; +} CPUID_EXTENDED_CACHE_INFO_ECX; + +/// +/// @{ Define value for bit field CPUID_EXTENDED_CACHE_INFO_ECX.L2Associativity +/// +#define CPUID_EXTENDED_CACHE_INFO_ECX_L2_ASSOCIATIVITY_DISABLED 0x00 +#define CPUID_EXTENDED_CACHE_INFO_ECX_L2_ASSOCIATIVITY_DIRECT_MAPPED 0x01 +#define CPUID_EXTENDED_CACHE_INFO_ECX_L2_ASSOCIATIVITY_2_WAY 0x02 +#define CPUID_EXTENDED_CACHE_INFO_ECX_L2_ASSOCIATIVITY_4_WAY 0x04 +#define CPUID_EXTENDED_CACHE_INFO_ECX_L2_ASSOCIATIVITY_8_WAY 0x06 +#define CPUID_EXTENDED_CACHE_INFO_ECX_L2_ASSOCIATIVITY_16_WAY 0x08 +#define CPUID_EXTENDED_CACHE_INFO_ECX_L2_ASSOCIATIVITY_FULL 0x0F +/// +/// @} +/// + +/** + CPUID Extended Time Stamp Counter information + + @param EAX CPUID_EXTENDED_TIME_STAMP_COUNTER (0x80000007) + + @retval EAX Reserved. + @retval EBX Reserved. + @retval ECX Reserved. + @retval EDX Extended time stamp counter (TSC) information described by the + type CPUID_EXTENDED_TIME_STAMP_COUNTER_EDX. + + <b>Example usage</b> + @code + CPUID_EXTENDED_TIME_STAMP_COUNTER_EDX Edx; + + AsmCpuid (CPUID_EXTENDED_TIME_STAMP_COUNTER, NULL, NULL, NULL, &Edx.Uint32); + @endcode +**/ +#define CPUID_EXTENDED_TIME_STAMP_COUNTER 0x80000007 + +/** + CPUID Extended Time Stamp Counter information EDX for CPUID leaf + #CPUID_EXTENDED_TIME_STAMP_COUNTER. +**/ +typedef union { + /// + /// Individual bit fields + /// + struct { + UINT32 Reserved1:8; + /// + /// [Bit 8] Invariant TSC available if 1. + /// + UINT32 InvariantTsc:1; + UINT32 Reserved2:23; + } Bits; + /// + /// All bit fields as a 32-bit value + /// + UINT32 Uint32; +} CPUID_EXTENDED_TIME_STAMP_COUNTER_EDX; + + +/** + CPUID Linear Physical Address Size + + @param EAX CPUID_VIR_PHY_ADDRESS_SIZE (0x80000008) + + @retval EAX Linear/Physical Address Size described by the type + CPUID_VIR_PHY_ADDRESS_SIZE_EAX. + @retval EBX Reserved. + @retval ECX Reserved. + @retval EDX Reserved. + + <b>Example usage</b> + @code + CPUID_VIR_PHY_ADDRESS_SIZE_EAX Eax; + + AsmCpuid (CPUID_VIR_PHY_ADDRESS_SIZE, &Eax.Uint32, NULL, NULL, NULL); + @endcode +**/ #define CPUID_VIR_PHY_ADDRESS_SIZE 0x80000008 +/** + CPUID Linear Physical Address Size EAX for CPUID leaf + #CPUID_VIR_PHY_ADDRESS_SIZE. +**/ +typedef union { + /// + /// Individual bit fields + /// + struct { + /// + /// [Bits 7:0] Number of physical address bits. + /// + /// @note + /// If CPUID.80000008H:EAX[7:0] is supported, the maximum physical address + /// number supported should come from this field. + /// + UINT32 PhysicalAddressBits:8; + /// + /// [Bits 15:8] Number of linear address bits. + /// + UINT32 LinearAddressBits:8; + UINT32 Reserved:16; + } Bits; + /// + /// All bit fields as a 32-bit value + /// + UINT32 Uint32; +} CPUID_VIR_PHY_ADDRESS_SIZE_EAX; + #endif -- 2.6.3.windows.1 _______________________________________________ edk2-devel mailing list [email protected] https://lists.01.org/mailman/listinfo/edk2-devel
