/*++
Copyright (c) 2004 - 2014, 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 that 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.
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