diff options
Diffstat (limited to 'Core/EM/TCG2/Common/EMpTcmPei.c')
| -rw-r--r-- | Core/EM/TCG2/Common/EMpTcmPei.c | 691 |
1 files changed, 691 insertions, 0 deletions
diff --git a/Core/EM/TCG2/Common/EMpTcmPei.c b/Core/EM/TCG2/Common/EMpTcmPei.c new file mode 100644 index 0000000..480aa61 --- /dev/null +++ b/Core/EM/TCG2/Common/EMpTcmPei.c @@ -0,0 +1,691 @@ +//********************************************************************** +//********************************************************************** +//** ** +//** (C)Copyright 1985-2010, American Megatrends, Inc. ** +//** ** +//** All Rights Reserved. ** +//** ** +//** 5555 Oakbrook Pkwy, Suite 200, Norcross, GA 30093 ** +//** ** +//** Phone: (770)-246-8600 ** +//** ** +//********************************************************************** +//********************************************************************** +// $Header: /Alaska/SOURCE/Modules/TCG2/Common/TcgPei/EMpTcmPei.c 1 4/21/14 2:16p Fredericko $ +// +// $Revision: 1 $ +// +// $Date: 4/21/14 2:16p $ +//********************************************************************** +// Revision History +// ---------------- +// $Log: /Alaska/SOURCE/Modules/TCG2/Common/TcgPei/EMpTcmPei.c $ +// +// 1 4/21/14 2:16p Fredericko +// +// 1 10/08/13 12:02p Fredericko +// Initial Check-In for Tpm-Next module +// +// 1 7/10/13 5:51p Fredericko +// [TAG] EIP120969 +// [Category] New Feature +// [Description] TCG (TPM20) +// +// 8 5/09/12 6:13p Fredericko +// Changes to streamline Tcm driver. Also fixes possible Tcm hang issues +// during reboot cycles. +// +// 7 12/12/11 3:19p Fredericko +// [TAG] EIP76865 +// [Category] Improvement +// [Description] Dual Support for TCM and TPM. System could hang in TXT +// if txt is enabled in setup +// [Files] AmiTcgPlatfompeilib.c, AmiTcgPlatformPpi.cif, +// AmiTcgPlatformPpi.h, AmiTcgPlatformProtocol.cif, +// AmiTcgPlatformProtocol.h, +// EMpTcmPei.c, TcgDxe.cif, TcgPei.cif, TcgPeiAfterMem.cif, +// TcgPeiAfterMem.mak, TcgTcmPeiAfterMem.c, xTcgDxe.c, xTcgPei.c, +// xTcgPeiAfterMem.c +// +// 6 4/18/11 2:26p Fredericko +// +// 5 4/14/11 6:17p Fredericko +// Disable optimization for asm related changes. +// +// 4 4/06/11 12:23p Fredericko +// +// 3 4/01/11 9:33a Fredericko +// Updated function Header +// +// 2 3/29/11 12:58p Fredericko +// +// 1 3/28/11 2:14p Fredericko +// [TAG] EIP 54642 +// [Category] Improvement +// [Description] 1. Checkin Files related to TCG function override +// 2. Include TCM and TPM auto detection +// [Files] Affects all TCG files +// +// 8 5/19/10 5:54p Fredericko +// Updated AMI copyright header +// Included File Header +// Code Beautification +// EIP 37653 +// +// 7 4/08/10 6:45p Fredericko +// removed Verify_TCG_VARIABLES, now called in xtcgpei.c +// +// 6 3/26/10 12:51a Fredericko +// +// 5 3/19/10 5:14p Fredericko +// modified for legacy IO interface support +// +// 4 6/02/09 1:16p Fredericko +// +// 3 6/01/09 4:29p Fredericko +// +// 2 5/18/09 5:50p Fredericko +// +// 1. Initial check-in for EMpTpmPei.c for CTPM support infrastructure. +//********************************************************************** +//************************************************************************* +//<AMI_FHDR_START> +// +// Name: EMpTpmPei.c +// +// Description: +// Handles legacy calls into 32bit Binaries +// +//<AMI_FHDR_END> +//************************************************************************* +#include <Efi.h> +#include <Pei.h> +#include <TcgTpm12.h> +#include <TpmLib.h> +#include <AmiPeiLib.h> +#include "TcgMisc.h" +#include "token.h" +#include "TcgCommon.h" +#include "PPI\TcgService\TcgService.h" +#include "PPI\TpmDevice\TpmDevice.h" + + +#define _CR( Record, TYPE,\ + Field )((TYPE*) ((CHAR8*) (Record)- (CHAR8*) &(((TYPE*) 0)->Field))) + +#define TPM_PEI_PRIVATE_DATA_FROM_THIS( This ) \ + _CR( This, TPM_PEI_PRIVATE_DATA, TpmPpi ) + +typedef struct _TPM_PEI_PRIVATE_DATA +{ + PEI_TPM_PPI TpmPpi; +} TPM_PEI_PRIVATE_DATA; + +EFI_GUID gTcmCallbackguid = AMI_TCM_CALLBACK_GUID; +EFI_GUID guid = EFI_TCG_MPDriver_HOB_GUID; + +typedef struct _TCM_PEI_CALLBACK +{ + EFI_PEI_NOTIFY_DESCRIPTOR NotifyDesc; + EFI_FFS_FILE_HEADER *FfsHeader; + +} TCM_PEI_CALLBACK; + + +VOID TcmPeiCallMPDriver ( + IN EFI_PEI_SERVICES **PeiServices, + IN UINT8 CFuncID, + TPMTransmitEntryStruct *CData, + UINT32* OUT CRetVal ); + + + +//********************************************************************** +//<AMI_PHDR_START> +// +// Procedure: EMpTcmPeiInit +// +// Description: Call to OEM driver to initialize TCM +// +// +// Input: IN PEI_TPM_PPI *This, +// IN EFI_PEI_SERVICES **PeiServices +// +// Output: EFI STATUS +// +// Modified: +// +// Referrals: +// +// Notes: +//<AMI_PHDR_END> +//********************************************************************** +EFI_STATUS +EFIAPI EMpTcmPeiInit( + IN PEI_TPM_PPI *This, + IN EFI_PEI_SERVICES **PeiServices ) +{ + return EFI_SUCCESS; +} + + +EFI_STATUS +EFIAPI EMpTcmPeiInit2( + IN PEI_TPM_PPI *This, + IN EFI_PEI_SERVICES **PeiServices ) +{ + return EFI_NOT_AVAILABLE_YET; +} + + + + + +//********************************************************************** +//<AMI_PHDR_START> +// +// Procedure: EMpTcmPeiClose +// +// Description: Call to OEM driver to Close TCM +// +// +// Input: IN PEI_TPM_PPI *This, +// IN EFI_PEI_SERVICES **PeiServices +// +// Output: EFI STATUS +// +// Modified: +// +// Referrals: +// +// Notes: +//<AMI_PHDR_END> +//********************************************************************** +EFI_STATUS +EFIAPI EMpTcmPeiClose( + IN PEI_TPM_PPI *This, + IN EFI_PEI_SERVICES **PeiServices ) +{ + return EFI_SUCCESS; +} + +EFI_STATUS +EFIAPI EMpTcmPeiClose2( + IN PEI_TPM_PPI *This, + IN EFI_PEI_SERVICES **PeiServices ) +{ + return EFI_NOT_AVAILABLE_YET; +} + + + + + +//********************************************************************** +//<AMI_PHDR_START> +// +// Procedure: EMpTcmPeiGetStatusInfo +// +// Description: Function call to get status infomation +// +// +// Input: IN PEI_TPM_PPI *This, +// IN EFI_PEI_SERVICES **PeiServices +// +// Output: EFI_UNSUPPORTED +// +// Modified: +// +// Referrals: +// +// Notes: +//<AMI_PHDR_END> +//********************************************************************** +EFI_STATUS +EFIAPI EMpTcmPeiGetStatusInfo( + IN PEI_TPM_PPI *This, + IN EFI_PEI_SERVICES **PeiServices ) +{ + return EFI_UNSUPPORTED; +} + + + + + + +//********************************************************************** +//<AMI_PHDR_START> +// +// Procedure: EMpTcmPeiSHA1Setup +// +// Description: Helper function to help with Command transmission to TCM +// +// +// Input: IN PEI_TPM_PPI *This, +// IN EFI_PEI_SERVICES **PeiServices +// IN UINTN NoInputBuffers +// IN TPM_TRANSMIT_BUFFER *InputBuffers +// IN OUT void **Buffer +// IN UINT8 *SHA_ARRAY +// +// Output: BOOLEAN +// +// Modified: +// +// Referrals: +// +// Notes: +//<AMI_PHDR_END> +//********************************************************************** +BOOLEAN +EFIAPI EMpTcmPeiSHA1Setup( + IN PEI_TPM_PPI *This, + IN EFI_PEI_SERVICES **PeiServices, + IN UINTN NoInputBuffers, + IN TPM_TRANSMIT_BUFFER *InputBuffers, + IN OUT void **Buffer, + IN UINT8 *SHA_ARRAY ) +{ + TPM_1_2_CMD_HEADER *SHA1HeaderCheck; + void *Context = NULL; + + + //check if this an SHA1 update or Complete call and set the buffer + //else no need to update the buffer is the same + SHA1HeaderCheck = (TPM_1_2_CMD_HEADER*)InputBuffers->Buffer; + + if ( SHA1HeaderCheck->Ordinal != + TPM_H2NL( + TCM_ORD_SHA1CompleteExtend ) && SHA1HeaderCheck->Ordinal != + TPM_H2NL( TCM_ORD_SHA1Update )) + { + //no need to modify buffers just pass it through + return FALSE; + } + + + TcgCommonCopyMem( Context, + SHA_ARRAY, + InputBuffers[0].Buffer, + InputBuffers[0].Size ); + + TcgCommonCopyMem( Context, + &SHA_ARRAY[InputBuffers[0].Size], + InputBuffers[1].Buffer, + + InputBuffers[1].Size ); + + *Buffer = SHA_ARRAY; + return TRUE; +} + + + + + +//********************************************************************** +//<AMI_PHDR_START> +// +// Procedure: EMpTcmPeiTransmit +// +// Description: TCM Transmit function +// +// +// Input: IN PEI_TPM_PPI *This, +// IN EFI_PEI_SERVICES **PeiServices, +// IN UINTN NoInputBuffers, +// IN TPM_TRANSMIT_BUFFER *InputBuffers, +// IN UINTN NoOutputBuffers, +// IN OUT TPM_TRANSMIT_BUFFER *OutputBuffers +// +// Output: EFI_STATUS +// +// Modified: +// +// Referrals: +// +// Notes: +//<AMI_PHDR_END> +//********************************************************************** +EFI_STATUS +EFIAPI EMpTcmPeiTransmit( + IN PEI_TPM_PPI *This, + IN EFI_PEI_SERVICES **PeiServices, + IN UINTN NoInputBuffers, + IN TPM_TRANSMIT_BUFFER *InputBuffers, + IN UINTN NoOutputBuffers, + IN OUT TPM_TRANSMIT_BUFFER *OutputBuffers ) +{ + TPM_PEI_PRIVATE_DATA *Private; + TPMTransmitEntryStruct FillESI; + UINT8 FuncID = MP_FUNCTION_TRANSMIT; + UINT32 Ret; + void *buffer; + UINT8 SHA_ARRAY[INTERNAL_SHA_ARRAY_LENGTH]; + UINT8 SHA_ARRAY_OUT[INTERNAL_SHA_ARRAY_LENGTH]; + BOOLEAN FillBuff = FALSE; + TPM_1_2_CMD_HEADER *SHA1HeaderCheck; + void *Context = NULL; + UINT8 i = 0; + UINT8 loc = 0; + + if ( !EMpTcmPeiSHA1Setup( This, PeiServices, NoInputBuffers, InputBuffers, + &buffer, SHA_ARRAY )) + { + FillESI.pbInBuf = (UINT32)(EFI_PHYSICAL_ADDRESS)InputBuffers->Buffer; + FillESI.dwInLen = (UINT32)InputBuffers->Size; + FillESI.pbOutBuf = (UINT32)(EFI_PHYSICAL_ADDRESS)OutputBuffers->Buffer; + FillESI.dwOutLen = (UINT32)OutputBuffers->Size; + } + else { + FillESI.pbInBuf = (UINT32)(EFI_PHYSICAL_ADDRESS)SHA_ARRAY; + FillESI.dwInLen = 0; + + for (; i < NoInputBuffers; i++ ) + { + FillESI.dwInLen += (UINT32)InputBuffers[i].Size; + } + + SHA1HeaderCheck = (TPM_1_2_CMD_HEADER*)InputBuffers->Buffer; + + if ( SHA1HeaderCheck->Ordinal == TPM_H2NL( TCM_ORD_SHA1CompleteExtend )) + { + FillBuff = TRUE; + FillESI.pbOutBuf = (UINT32)(EFI_PHYSICAL_ADDRESS)SHA_ARRAY_OUT; + FillESI.dwOutLen = (OutputBuffers[0].Size + OutputBuffers[1].Size + + OutputBuffers[2].Size); + } + + if ( !FillBuff ) + { + FillESI.pbOutBuf = (UINT32)(EFI_PHYSICAL_ADDRESS)OutputBuffers->Buffer; + FillESI.dwOutLen = (UINT32)OutputBuffers->Size; + } + } + + Private = TPM_PEI_PRIVATE_DATA_FROM_THIS( This ); + TcmPeiCallMPDriver( PeiServices, FuncID, &FillESI, &Ret ); + + if ( FillBuff ) //setup output buffer for the interface + { + i = 0; + for (; i < NoOutputBuffers; i++ ) + { + TcgCommonCopyMem( Context, + OutputBuffers[i].Buffer, + &SHA_ARRAY_OUT[loc], + OutputBuffers[i].Size ); + + loc += OutputBuffers[i].Size; + } + + } + return EFI_SUCCESS; +} + + +EFI_STATUS +EFIAPI EMpTcmPeiTransmit2( + IN PEI_TPM_PPI *This, + IN EFI_PEI_SERVICES **PeiServices, + IN UINTN NoInputBuffers, + IN TPM_TRANSMIT_BUFFER *InputBuffers, + IN UINTN NoOutputBuffers, + IN OUT TPM_TRANSMIT_BUFFER *OutputBuffers ) +{ + return EFI_NOT_AVAILABLE_YET; +} + + + + + + +//********************************************************************** +//<AMI_PHDR_START> +// +// Procedure: TcmPeiCallMPDriver +// +// Description: Interface to performing MP driver function calls in PEI +// Uses _ASM directives. Return Value in EAX return as status +// +// +// Input: IN EFI_PEI_SERVICES **PeiServices, +// IN UINT8 CFuncID, +// IN TPMTransmitEntryStruct * CData, +// OUT UINT32* CRetVal +// +// Output: EFI_STATUS +// +// Modified: +// +// Referrals: +// +// Notes: +//<AMI_PHDR_END> +//********************************************************************** +VOID TcmPeiCallMPDriver( + IN EFI_PEI_SERVICES **PeiServices, + IN UINT8 CFuncID, + TPMTransmitEntryStruct * CData, + UINT32* OUT CRetVal ) +{ + UINT32 ReturnVal; + FAR32LOCALS CommonLegX; + EFI_GUID guidMA = EFI_TCG_MADriver_HOB_GUID; + EFI_GUID guidMP = EFI_TCG_MPDriver_HOB_GUID; + TPMTransmitEntryStruct IntCData = *CData; + UINT32 Address = (UINT32)&IntCData; + FAR32LOCALS InternalMPLoc; + + + FillDriverLoc( &InternalMPLoc.Offset, PeiServices, &guid ); + + CommonLegX.Offset = 0; + CommonLegX.Selector = 0; + CommonLegX.Offset = InternalMPLoc.Offset; + CommonLegX.Selector = SEL_flatCS; + + _asm { + xor eax, eax + mov al, [CFuncID] + cmp eax, MP_FUNCTION_TRANSMIT + jnz Empty_Buff + mov ESI, Address +Empty_Buff: + call fword ptr [CommonLegX]; + mov ReturnVal, eax + } + *CRetVal = ReturnVal; +} + + +static TPM_PEI_PRIVATE_DATA mTcmPrivate = { + { + EMpTcmPeiInit, + EMpTcmPeiClose, + EMpTcmPeiGetStatusInfo, + EMpTcmPeiTransmit + } +}; + +static TPM_PEI_PRIVATE_DATA mTcmPrivate2 = { + { + EMpTcmPeiInit2, + EMpTcmPeiClose2, + EMpTcmPeiGetStatusInfo, + EMpTcmPeiTransmit2 + } +}; + +static EFI_PEI_PPI_DESCRIPTOR mPpiList[] = { + { + EFI_PEI_PPI_DESCRIPTOR_PPI + | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST, + &gPeiTpmPpiGuid, + &mTcmPrivate.TpmPpi + } +}; + +static EFI_PEI_PPI_DESCRIPTOR mPpiList2[] = { + { + EFI_PEI_PPI_DESCRIPTOR_PPI + | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST, + &gPeiTpmPpiGuid, + &mTcmPrivate2.TpmPpi + } +}; + + + +//********************************************************************** +//<AMI_PHDR_START> +// +// Procedure: InitTcmEntry +// +// Description: Entry point for TCM ppi initialization after memory is installed +// +// +// Input: IN EFI_FFS_FILE_HEADER *FfsHeader +// IN EFI_PEI_SERVICES **PeiServices +// +// Output: EFI STATUS +// +// Modified: +// +// Referrals: +// +// Notes: +//<AMI_PHDR_END> +//********************************************************************** +EFI_STATUS +EFIAPI InitTcmEntry( +IN EFI_PEI_SERVICES **PeiServices, + IN EFI_PEI_NOTIFY_DESCRIPTOR *NotifyDesc, + IN VOID *Ppi) +{ + EFI_STATUS Status; + EFI_PHYSICAL_ADDRESS TPM_Base = (EFI_PHYSICAL_ADDRESS)PORT_TPM_IOMEMBASE; + FAR32LOCALS InternalMPLoc; + EFI_PEI_PPI_DESCRIPTOR *PpiDesc; + PEI_TCG_PPI *TcmPpi; + + Status = IsTpmPresent((TPM_1_2_REGISTERS_PTR)( UINTN ) TPM_Base ); + if(EFI_ERROR(Status)) + { + return Status; + } + + FillDriverLoc( &InternalMPLoc.Offset, PeiServices, &guid ); + if ( InternalMPLoc.Offset == 0 ) + { + return EFI_NOT_FOUND; + } + + Status = (*PeiServices)->LocatePpi( + PeiServices, + &gPeiTpmPpiGuid, + 0, + &PpiDesc, + &TcmPpi); + if(EFI_ERROR(Status)) + { + return Status; + } + + + Status = (*PeiServices)->ReInstallPpi( PeiServices, PpiDesc, &mPpiList[0] ); + if ( EFI_ERROR( Status )) + { + return EFI_UNLOAD_IMAGE; + } + + Status = (*PeiServices)->LocatePpi( + PeiServices, + &gPeiTpmPpiGuid, + 0, + &PpiDesc, + &TcmPpi ); + + if ( EFI_ERROR( Status )) + { + return EFI_UNLOAD_IMAGE; + } + + return Status; +} + + + + + +//********************************************************************** +//<AMI_PHDR_START> +// +// Procedure: TcmPeiEntry +// +// Description: Entry for TcmPei Device when TCM_Support is enabled +// +// +// Input: IN EFI_FFS_FILE_HEADER *FfsHeader +// IN EFI_PEI_SERVICES **PeiServices +// +// Output: EFI STATUS +// +// Modified: +// +// Referrals: +// +// Notes: +//<AMI_PHDR_END> +//********************************************************************** +EFI_STATUS +EFIAPI TcmPeiEntry( + IN EFI_FFS_FILE_HEADER *FfsHeader, + IN EFI_PEI_SERVICES **PeiServices ) +{ + EFI_STATUS Status; + TCM_PEI_CALLBACK *TcmCallback; + + Status = (**PeiServices).AllocatePool( + PeiServices, + sizeof (TCM_PEI_CALLBACK), + &TcmCallback); + + if ( !EFI_ERROR( Status )) + { + TcmCallback->NotifyDesc.Flags + = (EFI_PEI_PPI_DESCRIPTOR_NOTIFY_CALLBACK + | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST); + TcmCallback->NotifyDesc.Guid = &gTcmCallbackguid; + TcmCallback->NotifyDesc.Notify = InitTcmEntry; + TcmCallback->FfsHeader = FfsHeader; + + Status = (*PeiServices)->NotifyPpi( PeiServices, + &TcmCallback->NotifyDesc ); + } + + Status = (*PeiServices)->InstallPpi( PeiServices, &mPpiList2[0] ); + if ( EFI_ERROR( Status )) + { + return EFI_UNLOAD_IMAGE; + } + + return Status; +} + + +//********************************************************************** +//********************************************************************** +//** ** +//** (C)Copyright 1985-2010, American Megatrends, Inc. ** +//** ** +//** All Rights Reserved. ** +//** ** +//** 5555 Oakbrook Pkwy, Suite 200, Norcross, GA 30093 ** +//** ** +//** Phone: (770)-246-8600 ** +//** ** +//********************************************************************** +//********************************************************************** |