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https://github.com/acidanthera/OpenCorePkg.git
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112 lines
3.0 KiB
C
Executable File
112 lines
3.0 KiB
C
Executable File
/** @file
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Copyright (C) 2016 - 2017, The HermitCrabs Lab. All rights reserved.
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All rights reserved.
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This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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#ifndef OC_CPU_LIB_H
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#define OC_CPU_LIB_H
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#include <IndustryStandard/CpuId.h>
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#include <IndustryStandard/AppleIntelCpuInfo.h>
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//
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// External clock value on Sandy Bridge and above (in MHz).
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// Rounded FSB * 4.
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//
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#define OC_CPU_SNB_QPB_CLOCK 0x19U
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typedef struct {
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//
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// Note, Vendor and BrandString are reordered for proper alignment.
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//
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UINT32 Vendor[4];
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CHAR8 BrandString[48];
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CPUID_VERSION_INFO_EAX CpuidVerEax;
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CPUID_VERSION_INFO_EBX CpuidVerEbx;
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CPUID_VERSION_INFO_ECX CpuidVerEcx;
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CPUID_VERSION_INFO_EDX CpuidVerEdx;
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UINT32 MicrocodeRevision;
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UINT8 Type;
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UINT8 Family;
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UINT8 Model;
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UINT8 ExtModel;
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UINT8 ExtFamily;
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UINT8 Stepping;
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UINT64 Features;
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UINT64 ExtFeatures;
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UINT32 Signature;
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UINT8 Brand;
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UINT16 AppleProcessorType;
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BOOLEAN CstConfigLock;
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UINT32 MaxExtId;
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UINT8 MaxDiv;
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UINT8 CurBusRatio; ///< Current Multiplier
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UINT8 MinBusRatio; ///< Min Bus Ratio
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UINT8 MaxBusRatio; ///< Max Bus Ratio
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UINT8 TurboBusRatio1;
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UINT8 TurboBusRatio2;
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UINT8 TurboBusRatio3;
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UINT8 TurboBusRatio4;
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UINT16 PackageCount;
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UINT16 CoreCount;
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UINT16 ThreadCount;
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UINT64 ARTFrequency;
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UINT64 TSCFrequency;
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UINT64 CPUFrequency;
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UINT64 FSBFrequency;
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} OC_CPU_INFO;
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/**
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Scan the processor and fill the cpu info structure with results.
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@param[in] Cpu A pointer to the cpu info structure to fill with results.
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**/
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VOID
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OcCpuScanProcessor (
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IN OUT OC_CPU_INFO *Cpu
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);
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/**
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Disable flex ratio if it has invalid value.
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Commonly fixes early reboot on APTIO IV (Ivy/Haswell).
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@param[in] Cpu A pointer to the cpu info.
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**/
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VOID
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OcCpuCorrectFlexRatio (
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IN OC_CPU_INFO *Cpu
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);
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/**
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Converts CPUID Family and Model extracted from EAX
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CPUID (1) call to AppleFamily value. This implements
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cpuid_set_cpufamily functionality as it is in XNU.
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@param[in] VersionEax CPUID (1) EAX value.
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@return Apple Family (e.g. CPUFAMILY_UNKNOWN)
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**/
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UINT32
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OcCpuModelToAppleFamily (
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IN CPUID_VERSION_INFO_EAX VersionEax
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);
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#endif // OC_CPU_LIB_H_
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