OcSmcLib.c File Reference

#include <Uefi.h>
#include <Library/DebugLib.h>
#include <Library/BaseLib.h>
#include <Library/BaseMemoryLib.h>
#include <Library/MemoryAllocationLib.h>
#include <Library/UefiBootServicesTableLib.h>
#include <Library/UefiRuntimeServicesTableLib.h>
#include <Library/UefiLib.h>
#include <Library/OcCryptoLib.h>
#include <Library/OcMiscLib.h>
#include <Library/OcSmcLib.h>
#include <Library/OcRtcLib.h>
#include <Library/OcVariableLib.h>
#include "OcSmcLibInternal.h"

Go to the source code of this file.

Functions
STATIC EFI_STATUS EFIAPI	SmcIoVirtualSmcReadValue (IN APPLE_SMC_IO_PROTOCOL *This, IN SMC_KEY Key, IN SMC_DATA_SIZE Size, OUT SMC_DATA *Value)
STATIC EFI_STATUS EFIAPI	SmcIoVirtualSmcWriteValue (IN APPLE_SMC_IO_PROTOCOL *This, IN SMC_KEY Key, IN SMC_DATA_SIZE Size, IN SMC_DATA *Value)
STATIC EFI_STATUS EFIAPI	SmcIoVirtualSmcMakeKey (IN CHAR8 *Name, OUT SMC_KEY *Key)
STATIC EFI_STATUS EFIAPI	SmcIoVirtualSmcGetKeyCount (IN APPLE_SMC_IO_PROTOCOL *This, OUT UINT32 *Count)
STATIC EFI_STATUS EFIAPI	SmcIoVirtualSmcGetKeyFromIndex (IN APPLE_SMC_IO_PROTOCOL *This, IN SMC_KEY_INDEX Index, OUT SMC_KEY *Key)
STATIC EFI_STATUS EFIAPI	SmcIoVirtualSmcGetKeyInfo (IN APPLE_SMC_IO_PROTOCOL *This, IN SMC_KEY Key, OUT SMC_DATA_SIZE *Size, OUT SMC_KEY_TYPE *Type, OUT SMC_KEY_ATTRIBUTES *Attributes)
STATIC EFI_STATUS EFIAPI	SmcIoVirtualSmcReset (IN APPLE_SMC_IO_PROTOCOL *This, IN UINT32 Mode)
STATIC EFI_STATUS EFIAPI	SmcIoVirtualSmcFlashType (IN APPLE_SMC_IO_PROTOCOL *This, IN SMC_FLASH_TYPE Type)
STATIC EFI_STATUS EFIAPI	SmcIoVirtualSmcUnsupported (VOID)
STATIC EFI_STATUS EFIAPI	SmcIoVirtualSmcFlashWrite (IN APPLE_SMC_IO_PROTOCOL *This, IN UINT32 Unknown, IN SMC_FLASH_SIZE Size, IN SMC_DATA *Data)
STATIC EFI_STATUS EFIAPI	SmcIoVirtualSmcFlashAuth (IN APPLE_SMC_IO_PROTOCOL *This, IN SMC_FLASH_SIZE Size, IN SMC_DATA *Data)
STATIC EFI_STATUS EFIAPI	SmcIoVirtualSmcUnknown1 (VOID)
STATIC EFI_STATUS EFIAPI	SmcIoVirtualSmcUnknown2 (IN APPLE_SMC_IO_PROTOCOL *This, IN UINTN Ukn1, IN UINTN Ukn2)
STATIC EFI_STATUS EFIAPI	SmcIoVirtualSmcUnknown3 (IN APPLE_SMC_IO_PROTOCOL *This, IN UINTN Ukn1, IN UINTN Ukn2)
STATIC EFI_STATUS EFIAPI	SmcIoVirtualSmcUnknown4 (IN APPLE_SMC_IO_PROTOCOL *This, IN UINTN Ukn1)
STATIC EFI_STATUS EFIAPI	SmcIoVirtualSmcUnknown5 (IN APPLE_SMC_IO_PROTOCOL *This, IN UINT8 *Data)
STATIC VOID EFIAPI	EraseAuthenticationKey (IN EFI_EVENT Event, IN VOID *Context)
STATIC BOOLEAN	ExtractAuthentificationKey (UINT8 *Buffer, UINT32 Size)
STATIC VOID	LoadAuthenticationKey (VOID)
STATIC VOID	ExportStatusKey (VOID)
APPLE_SMC_IO_PROTOCOL *	OcSmcIoInstallProtocol (IN BOOLEAN Reinstall, IN BOOLEAN AuthRestart)

Variables
STATIC EFI_EVENT	mAuthenticationKeyEraseEvent
STATIC VIRTUALSMC_KEY_VALUE	mVirtualSmcKeyValue [6]
STATIC CONST UINT8	mAuthenticationKeyIndex = ARRAY_SIZE (mVirtualSmcKeyValue) - 1
STATIC APPLE_SMC_IO_PROTOCOL	mSmcIoProtocol

Detailed Description

Copyright (C) 2017-2020, vit9696. All rights reserved.

All rights reserved.

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.

Definition in file OcSmcLib.c.

Function Documentation

EraseAuthenticationKey()

STATIC VOID EFIAPI EraseAuthenticationKey	(	IN EFI_EVENT	Event,
		IN VOID *	Context )

Definition at line 403 of file OcSmcLib.c.

ExportStatusKey()

STATIC VOID ExportStatusKey

(

VOID

)

Definition at line 560 of file OcSmcLib.c.

ExtractAuthentificationKey()

STATIC BOOLEAN ExtractAuthentificationKey	(	UINT8 *	Buffer,
		UINT32	Size )

Definition at line 413 of file OcSmcLib.c.

LoadAuthenticationKey()

STATIC VOID LoadAuthenticationKey

(

VOID

)

Definition at line 487 of file OcSmcLib.c.

OcSmcIoInstallProtocol()

APPLE_SMC_IO_PROTOCOL * OcSmcIoInstallProtocol	(	IN BOOLEAN	Reinstall,
		IN BOOLEAN	AuthRestart )

Install and initialise SMC I/O protocol.

Parameters

[in]	Reinstall	Overwrite installed protocol.
[in]	AuthRestart	Support AuthRestart protocol via VSMC.

Return values

installed

or located protocol or NULL.

Definition at line 595 of file OcSmcLib.c.

SmcIoVirtualSmcFlashAuth()

STATIC EFI_STATUS EFIAPI SmcIoVirtualSmcFlashAuth	(	IN APPLE_SMC_IO_PROTOCOL *	This,
		IN SMC_FLASH_SIZE	Size,
		IN SMC_DATA *	Data )

Definition at line 300 of file OcSmcLib.c.

SmcIoVirtualSmcFlashType()

STATIC EFI_STATUS EFIAPI SmcIoVirtualSmcFlashType	(	IN APPLE_SMC_IO_PROTOCOL *	This,
		IN SMC_FLASH_TYPE	Type )

Definition at line 260 of file OcSmcLib.c.

SmcIoVirtualSmcFlashWrite()

STATIC EFI_STATUS EFIAPI SmcIoVirtualSmcFlashWrite	(	IN APPLE_SMC_IO_PROTOCOL *	This,
		IN UINT32	Unknown,
		IN SMC_FLASH_SIZE	Size,
		IN SMC_DATA *	Data )

Definition at line 285 of file OcSmcLib.c.

SmcIoVirtualSmcGetKeyCount()

STATIC EFI_STATUS EFIAPI SmcIoVirtualSmcGetKeyCount	(	IN APPLE_SMC_IO_PROTOCOL *	This,
		OUT UINT32 *	Count )

Definition at line 170 of file OcSmcLib.c.

SmcIoVirtualSmcGetKeyFromIndex()

STATIC EFI_STATUS EFIAPI SmcIoVirtualSmcGetKeyFromIndex	(	IN APPLE_SMC_IO_PROTOCOL *	This,
		IN SMC_KEY_INDEX	Index,
		OUT SMC_KEY *	Key )

Definition at line 193 of file OcSmcLib.c.

SmcIoVirtualSmcGetKeyInfo()

STATIC EFI_STATUS EFIAPI SmcIoVirtualSmcGetKeyInfo	(	IN APPLE_SMC_IO_PROTOCOL *	This,
		IN SMC_KEY	Key,
		OUT SMC_DATA_SIZE *	Size,
		OUT SMC_KEY_TYPE *	Type,
		OUT SMC_KEY_ATTRIBUTES *	Attributes )

Definition at line 216 of file OcSmcLib.c.

SmcIoVirtualSmcMakeKey()

STATIC EFI_STATUS EFIAPI SmcIoVirtualSmcMakeKey	(	IN CHAR8 *	Name,
		OUT SMC_KEY *	Key )

Definition at line 137 of file OcSmcLib.c.

SmcIoVirtualSmcReadValue()

STATIC EFI_STATUS EFIAPI SmcIoVirtualSmcReadValue	(	IN APPLE_SMC_IO_PROTOCOL *	This,
		IN SMC_KEY	Key,
		IN SMC_DATA_SIZE	Size,
		OUT SMC_DATA *	Value )

Definition at line 67 of file OcSmcLib.c.

SmcIoVirtualSmcReset()

STATIC EFI_STATUS EFIAPI SmcIoVirtualSmcReset	(	IN APPLE_SMC_IO_PROTOCOL *	This,
		IN UINT32	Mode )

Definition at line 247 of file OcSmcLib.c.

SmcIoVirtualSmcUnknown1()

STATIC EFI_STATUS EFIAPI SmcIoVirtualSmcUnknown1

(

VOID

)

Definition at line 314 of file OcSmcLib.c.

SmcIoVirtualSmcUnknown2()

STATIC EFI_STATUS EFIAPI SmcIoVirtualSmcUnknown2	(	IN APPLE_SMC_IO_PROTOCOL *	This,
		IN UINTN	Ukn1,
		IN UINTN	Ukn2 )

Definition at line 326 of file OcSmcLib.c.

SmcIoVirtualSmcUnknown3()

STATIC EFI_STATUS EFIAPI SmcIoVirtualSmcUnknown3	(	IN APPLE_SMC_IO_PROTOCOL *	This,
		IN UINTN	Ukn1,
		IN UINTN	Ukn2 )

Definition at line 340 of file OcSmcLib.c.

SmcIoVirtualSmcUnknown4()

STATIC EFI_STATUS EFIAPI SmcIoVirtualSmcUnknown4	(	IN APPLE_SMC_IO_PROTOCOL *	This,
		IN UINTN	Ukn1 )

Definition at line 354 of file OcSmcLib.c.

SmcIoVirtualSmcUnknown5()

STATIC EFI_STATUS EFIAPI SmcIoVirtualSmcUnknown5	(	IN APPLE_SMC_IO_PROTOCOL *	This,
		IN UINT8 *	Data )

Definition at line 367 of file OcSmcLib.c.

SmcIoVirtualSmcUnsupported()

STATIC EFI_STATUS EFIAPI SmcIoVirtualSmcUnsupported

(

VOID

)

Definition at line 273 of file OcSmcLib.c.

SmcIoVirtualSmcWriteValue()

STATIC EFI_STATUS EFIAPI SmcIoVirtualSmcWriteValue	(	IN APPLE_SMC_IO_PROTOCOL *	This,
		IN SMC_KEY	Key,
		IN SMC_DATA_SIZE	Size,
		IN SMC_DATA *	Value )

Definition at line 100 of file OcSmcLib.c.

Variable Documentation

mAuthenticationKeyEraseEvent

STATIC EFI_EVENT mAuthenticationKeyEraseEvent

Definition at line 34 of file OcSmcLib.c.

mAuthenticationKeyIndex

STATIC CONST UINT8 mAuthenticationKeyIndex = ARRAY_SIZE (mVirtualSmcKeyValue) - 1

Definition at line 62 of file OcSmcLib.c.

mSmcIoProtocol

STATIC APPLE_SMC_IO_PROTOCOL mSmcIoProtocol

Initial value:

= {
  APPLE_SMC_IO_PROTOCOL_REVISION,
  SmcIoVirtualSmcReadValue,
  SmcIoVirtualSmcWriteValue,
  SmcIoVirtualSmcGetKeyCount,
  SmcIoVirtualSmcMakeKey,
  SmcIoVirtualSmcGetKeyFromIndex,
  SmcIoVirtualSmcGetKeyInfo,
  SmcIoVirtualSmcReset,
  SmcIoVirtualSmcFlashType,
  SmcIoVirtualSmcUnsupported,
  SmcIoVirtualSmcFlashWrite,
  SmcIoVirtualSmcFlashAuth,
  0,
  SMC_PORT_BASE,
  FALSE,
  SmcIoVirtualSmcUnknown1,
  SmcIoVirtualSmcUnknown2,
  SmcIoVirtualSmcUnknown3,
  SmcIoVirtualSmcUnknown4,
  SmcIoVirtualSmcUnknown5
}

Definition at line 377 of file OcSmcLib.c.

mVirtualSmcKeyValue

STATIC VIRTUALSMC_KEY_VALUE mVirtualSmcKeyValue[6]

Initial value:

= {
  { SMC_KEY_KEY,  SmcKeyTypeUint32, 4,  SMC_KEY_ATTRIBUTE_READ,                         { 0, 0, 0, ARRAY_SIZE (mVirtualSmcKeyValue) }
  },
  { SMC_KEY_RMde, SmcKeyTypeChar,   1,  SMC_KEY_ATTRIBUTE_READ,                         { SMC_MODE_APPCODE }
  },
  
  
  
  
  { SMC_KEY_BRSC, SmcKeyTypeUint16, 2,  SMC_KEY_ATTRIBUTE_READ,                         { 0 }
  },
  { SMC_KEY_MSLD, SmcKeyTypeUint8,  1,  SMC_KEY_ATTRIBUTE_READ,                         { 0 }
  },
  { SMC_KEY_BATP, SmcKeyTypeFlag,   1,  SMC_KEY_ATTRIBUTE_READ,                         { 0 }
  },
  
  
  
  { SMC_KEY_HBKP, SmcKeyTypeCh8s,   32, SMC_KEY_ATTRIBUTE_READ|SMC_KEY_ATTRIBUTE_WRITE, { 0 }
  }
}

Definition at line 38 of file OcSmcLib.c.