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/*++
Copyright (c) 2004 - 2014, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
Module Name:
CpuIA32.h
Abstract:
--*/
#ifndef _CPU_IA32_H
#define _CPU_IA32_H
typedef struct {
UINT32 RegEax;
UINT32 RegEbx;
UINT32 RegEcx;
UINT32 RegEdx;
} EFI_CPUID_REGISTER;
typedef struct {
UINT32 HeaderVersion;
UINT32 UpdateRevision;
UINT32 Date;
UINT32 ProcessorId;
UINT32 Checksum;
UINT32 LoaderRevision;
UINT32 ProcessorFlags;
UINT32 DataSize;
UINT32 TotalSize;
UINT8 Reserved[12];
} EFI_CPU_MICROCODE_HEADER;
typedef struct {
UINT32 ExtendedSignatureCount;
UINT32 ExtendedTableChecksum;
UINT8 Reserved[12];
} EFI_CPU_MICROCODE_EXTENDED_TABLE_HEADER;
typedef struct {
UINT32 ProcessorSignature;
UINT32 ProcessorFlag;
UINT32 ProcessorChecksum;
} EFI_CPU_MICROCODE_EXTENDED_TABLE;
typedef struct {
UINT32 Stepping : 4;
UINT32 Model : 4;
UINT32 Family : 4;
UINT32 Type : 2;
UINT32 Reserved1 : 2;
UINT32 ExtendedModel : 4;
UINT32 ExtendedFamily : 8;
UINT32 Reserved2 : 4;
} EFI_CPU_VERSION;
#define EFI_CPUID_SIGNATURE 0x0
#define EFI_CPUID_VERSION_INFO 0x1
#define EFI_CPUID_CACHE_INFO 0x2
#define EFI_CPUID_SERIAL_NUMBER 0x3
#define EFI_CPUID_EXTENDED_FUNCTION 0x80000000
#define EFI_CPUID_EXTENDED_CPU_SIG 0x80000001
#define EFI_CPUID_BRAND_STRING1 0x80000002
#define EFI_CPUID_BRAND_STRING2 0x80000003
#define EFI_CPUID_BRAND_STRING3 0x80000004
#define EFI_MSR_IA32_PLATFORM_ID 0x17
#define EFI_MSR_IA32_APIC_BASE 0x1B
#define EFI_MSR_EBC_HARD_POWERON 0x2A
#define EFI_MSR_EBC_SOFT_POWERON 0x2B
#define BINIT_DRIVER_DISABLE 0x40
#define INTERNAL_MCERR_DISABLE 0x20
#define INITIATOR_MCERR_DISABLE 0x10
#define EFI_MSR_EBC_FREQUENCY_ID 0x2C
#define EFI_MSR_IA32_BIOS_UPDT_TRIG 0x79
#define EFI_MSR_IA32_BIOS_SIGN_ID 0x8B
#define EFI_MSR_PSB_CLOCK_STATUS 0xCD
#define EFI_APIC_GLOBAL_ENABLE 0x800
#define EFI_MSR_IA32_MISC_ENABLE 0x1A0
#define LIMIT_CPUID_MAXVAL_ENABLE_BIT 0x00400000
#define AUTOMATIC_THERMAL_CONTROL_ENABLE_BIT 0x00000008
#define COMPATIBLE_FPU_OPCODE_ENABLE_BIT 0x00000004
#define LOGICAL_PROCESSOR_PRIORITY_ENABLE_BIT 0x00000002
#define FAST_STRING_ENABLE_BIT 0x00000001
#define EFI_CACHE_VARIABLE_MTRR_BASE 0x200
#define EFI_CACHE_VARIABLE_MTRR_END 0x20F
#define EFI_CACHE_IA32_MTRR_DEF_TYPE 0x2FF
#define EFI_CACHE_MTRR_VALID 0x800
#define EFI_CACHE_FIXED_MTRR_VALID 0x400
#define EFI_CACHE_VALID_ADDRESS 0xFFFFFF000
#define EFI_MSR_VALID_MASK 0xFFFFFFFFF
#define EFI_CACHE_VALID_EXTENDED_ADDRESS 0xFFFFFFFFFF000
#define EFI_MSR_VALID_EXTENDED_MASK 0xFFFFFFFFFFFFF
#define EFI_IA32_MTRR_FIX64K_00000 0x250
#define EFI_IA32_MTRR_FIX16K_80000 0x258
#define EFI_IA32_MTRR_FIX16K_A0000 0x259
#define EFI_IA32_MTRR_FIX4K_C0000 0x268
#define EFI_IA32_MTRR_FIX4K_C8000 0x269
#define EFI_IA32_MTRR_FIX4K_D0000 0x26A
#define EFI_IA32_MTRR_FIX4K_D8000 0x26B
#define EFI_IA32_MTRR_FIX4K_E0000 0x26C
#define EFI_IA32_MTRR_FIX4K_E8000 0x26D
#define EFI_IA32_MTRR_FIX4K_F0000 0x26E
#define EFI_IA32_MTRR_FIX4K_F8000 0x26F
#define EFI_IA32_MCG_CAP 0x179
#define EFI_IA32_MCG_CTL 0x17B
#define EFI_IA32_MC0_CTL 0x400
#define EFI_IA32_MC0_STATUS 0x401
#define EFI_IA32_PERF_STATUS 0x198
#define EFI_IA32_PERF_CTL 0x199
#define EFI_CACHE_UNCACHEABLE 0
#define EFI_CACHE_WRITECOMBINING 1
#define EFI_CACHE_WRITETHROUGH 4
#define EFI_CACHE_WRITEPROTECTED 5
#define EFI_CACHE_WRITEBACK 6
//
// Combine f(FamilyId), m(Model), s(SteppingId) to a single 32 bit number
//
#define EfiMakeCpuVersion(f, m, s) \
(((UINT32) (f) << 16) | ((UINT32) (m) << 8) | ((UINT32) (s)))
/**
Halt the Cpu
@param[in] None
@retval None
**/
VOID
EFIAPI
EfiHalt (
VOID
);
/**
Write back and invalidate the Cpu cache
@param[in] None
@retval None
**/
VOID
EFIAPI
EfiWbinvd (
VOID
);
/**
Invalidate the Cpu cache
@param[in] None
@retval None
**/
VOID
EFIAPI
EfiInvd (
VOID
);
/**
Get the Cpu info by execute the CPUID instruction
@param[in] RegisterInEax The input value to put into register EAX
@param[in] Regs The Output value
@retval None
**/
VOID
EFIAPI
EfiCpuid (
IN UINT32 RegisterInEax,
OUT EFI_CPUID_REGISTER *Regs
);
/**
When RegisterInEax != 4, the functionality is the same as EfiCpuid.
When RegisterInEax == 4, the function return the deterministic cache
parameters by excuting the CPUID instruction.
@param[in] RegisterInEax The input value to put into register EAX.
@param[in] CacheLevel The deterministic cache level.
@param[in] Regs The Output value.
@retval None
**/
VOID
EFIAPI
EfiCpuidExt (
IN UINT32 RegisterInEax,
IN UINT32 CacheLevel,
OUT EFI_CPUID_REGISTER *Regs
);
/**
Read Cpu MSR
@param[in] Index The index value to select the register
@retval Return the read data
**/
UINT64
EFIAPI
EfiReadMsr (
IN UINT32 Index
);
/**
Write Cpu MSR
@param[in] Index The index value to select the register
@param[in] Value The value to write to the selected register
@retval None
**/
VOID
EFIAPI
EfiWriteMsr (
IN UINT32 Index,
IN UINT64 Value
);
/**
Read Time stamp
@param[in] None
@retval Return the read data
**/
UINT64
EFIAPI
EfiReadTsc (
VOID
);
/**
Writing back and invalidate the cache,then diable it
@param[in] None
@retval None
**/
VOID
EFIAPI
EfiDisableCache (
VOID
);
/**
Invalidate the cache,then Enable it
@param[in] None
@retval None
**/
VOID
EFIAPI
EfiEnableCache (
VOID
);
/**
Get Eflags
@param[in] None
@retval Return the Eflags value
**/
UINT32
EFIAPI
EfiGetEflags (
VOID
);
/**
Disable Interrupts
@param[in] None
@retval None
**/
VOID
EFIAPI
EfiDisableInterrupts (
VOID
);
/**
Enable Interrupts
@param[in] None
@retval None
**/
VOID
EFIAPI
EfiEnableInterrupts (
VOID
);
/**
Extract CPU detail version infomation
@param[in] FamilyId FamilyId, including ExtendedFamilyId
@param[in] Model Model, including ExtendedModel
@param[in] SteppingId SteppingId
@param[in] Processor Processor
**/
VOID
EFIAPI
EfiCpuVersion (
IN UINT16 *FamilyId, OPTIONAL
IN UINT8 *Model, OPTIONAL
IN UINT8 *SteppingId, OPTIONAL
IN UINT8 *Processor OPTIONAL
);
#endif
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