diff options
Diffstat (limited to 'Board/CPU/TxtDxe/AmiTxtDxe.c')
| -rw-r--r-- | Board/CPU/TxtDxe/AmiTxtDxe.c | 534 |
1 files changed, 534 insertions, 0 deletions
diff --git a/Board/CPU/TxtDxe/AmiTxtDxe.c b/Board/CPU/TxtDxe/AmiTxtDxe.c new file mode 100644 index 0000000..3db2503 --- /dev/null +++ b/Board/CPU/TxtDxe/AmiTxtDxe.c @@ -0,0 +1,534 @@ +//************************************************************************* +//************************************************************************* +//** ** +//** (C)Copyright 1987-2013, American Megatrends, Inc. ** +//** ** +//** All Rights Reserved. ** +//** ** +//** 5555 Oakbrook Parkway, Suite 200, Norcross, GA 30093 ** +//** ** +//** Phone: (770)-246-8600 ** +//** ** +//************************************************************************* +//************************************************************************* + +//********************************************************************** +// $Header: /Alaska/SOURCE/Modules/SharkBayRefCodes/Haswell/AMI Cpu PKG/AMI TXT DXE/AmiTxtDxe.c 11 6/11/15 10:31p Crystallee $ +// +// $Revision: 11 $ +// +// $Date: 6/11/15 10:31p $ +//********************************************************************** +// Revision History +// ---------------- +// $Log: /Alaska/SOURCE/Modules/SharkBayRefCodes/Haswell/AMI Cpu PKG/AMI TXT DXE/AmiTxtDxe.c $ +// +// 11 6/11/15 10:31p Crystallee +// [TAG] EIP207854 +// [Category] Bug Fix +// [Severity] Important +// [Symptom] Txt test fail with TCG2 module +// [RootCause] Tokne TCG_SUPPORT was removed. +// [Solution] Add TCG2Support token. +// +// 10 4/10/15 3:11a Crystallee +// +// 9 5/05/14 11:57p Hsingyingchung +// [TAG] EIP167029 +// [Category] Improvement +// [Description] Keep the original attribute of "Setup" variable when +// use SetVariable(). +// +// 8 1/17/14 4:08a Crystallee +// [TAG] None +// [Category] Improvement +// [Description] Show Txt information in setup->Advanced ->Intel Txt +// Information page. +// +// 7 8/28/13 5:57a Crystallee +// [TAG] EIP134339 +// [Category] Bug Fix +// [Severity] Important +// [Symptom] [Sharkbay]Build error after update Haswell Cpu module +// [RootCause] If token TCG_SUPPORT is disabled, TpmSupport setup data +// will not define, then cause built error. +// [Solution] Add token TCG_SUPPORT condition when use TpmSupport setup +// data. +// +// 6 8/14/13 5:07a Davidhsieh +// +// 4 7/23/13 7:47a Crystallee +// [TAG] EIP128089 +// [Category] Improvement +// [Description] TXT will be disabled and grayed out in Setup when TPM +// Support is disabled. +// +// 3 9/13/12 4:13a Davidhsieh +// [TAG] None +// [Category] Bug Fix +// [Severity] Important +// [Symptom] Desable TCG causes BIOS building error +// [RootCause] TCG setup data is used in TxtPei and the data is not +// exist when TCG disabled. +// [Solution] Do not use the TCG setup data when TCG disabled +// +// 2 9/05/12 1:36a Davidhsieh +// [TAG] EIP97350 +// [Category] Improvement +// [Description] Add AUX index define in TPM NVRAM to avoid system keep +// reset when TXT enabled +// +// 1 7/18/12 2:07a Davidhsieh +// [TAG] None +// [Category] Improvement +// [Description] AMI TXT Dxe module part create +// +// +//********************************************************************** +//<AMI_FHDR_START> +// +// Name: AmiTxtDxe.c +// +// Description: +// +//<AMI_FHDR_END> +//********************************************************************** +// +#include "AmiTxtDxe.h" +#include "Txt.h" + +AMI_TXT_INFO_PROTOCOL gAmiTxtInfoProtocol = {0}; +AMI_TXT_INFO_DATA gAmiTxtInfoData = {0}; + +EFI_GUID gHobListGuid = HOB_LIST_GUID; +EFI_GUID gAmiTxtInfoProtocolGuid = AMI_TXT_INFO_PROTOCOL_GUID; + +#if TCG_SUPPORT || TCG2Support +EFI_GUID gSetupGuid = SETUP_GUID; +EFI_GUID gEfiTcgProtocolGuid = EFI_TCG_PROTOCOL_GUID; +EFI_GUID gEfiTpmDeviceProtocolGuid = EFI_TPM_DEVICE_PROTOCOL_GUID; + +//<AMI_PHDR_START> +//---------------------------------------------------------------------------- +// +// Procedure: LtSendTpmCommand +// +// Description: Sends a command to the TPM +// +// Input: *EFI_TCG_PROTOCOL - Tcg Protocol type. +// UINT32 - Tcg Command ordinal. +// int - cmd datasize. +// VOID* - cmd data. +// +// Output: UINT32 - TPM_RESULT +// +//---------------------------------------------------------------------------- +//<AMI_PHDR_END> +UINT32 +LtSendTpmCommand ( + IN EFI_TCG_PROTOCOL *tcg, + IN UINT32 ord, + IN int dataSize, + IN VOID *data +) +{ + EFI_STATUS Status; + static UINT8 result[0x400]; + TPM_1_2_RET_HEADER* tpmResult; + struct { + TPM_1_2_CMD_HEADER hdr; + UINT8 data[0x100]; + } cmd; + + cmd.hdr.Tag = TPM_H2NS (TPM_TAG_RQU_COMMAND); + cmd.hdr.ParamSize = TPM_H2NL (sizeof(TPM_1_2_RET_HEADER) + dataSize); + cmd.hdr.Ordinal = TPM_H2NL (ord); + pBS->CopyMem(cmd.data, data, dataSize); + Status = tcg->PassThroughToTpm ( tcg, \ + sizeof(TPM_1_2_CMD_HEADER) + dataSize, \ + (UINT8*)&cmd, \ + sizeof (result), \ + (UINT8*)&result ); + tpmResult = (TPM_1_2_RET_HEADER*)result; + if ( EFI_ERROR(Status) || (tpmResult->RetCode != 0)) + TRACE((TRACE_ALWAYS, "TXT (TPM Error) Status: %r; RetCode: %x.\n", \ + Status, \ + TPM_H2NL(tpmResult->RetCode) )); + return tpmResult->RetCode; +} + +#if defined SINIT_ACM_SUPPORT && SINIT_ACM_SUPPORT == 1 +//<AMI_PHDR_START> +//---------------------------------------------------------------------------- +// Procedure: EventUpdateSinitAcmToMemory +// +// Description: This routine copy SINIT ACM to SINIT meory for BIOS-Base SINI +// AC Module implementation. +// +// Input: IN EFI_EVENT Event +// IN VOID *Context +// +// Output: None +// +//---------------------------------------------------------------------------- +//<AMI_PHDR_END> +VOID +EventUpdateSinitAcmToMemory ( + IN EFI_EVENT Event, + IN VOID *Context +) +{ + EFI_STATUS Status = EFI_SUCCESS; + EFI_HANDLE *FvHandle; + UINTN Number, i, SinitacmSize = 0; + UINT32 Authentication, TxtMemBase; + VOID *pSinitacmPtr = NULL; + EFI_FIRMWARE_VOLUME_PROTOCOL *Fv; + EFI_GUID SinitAcmFfsGuid = \ + { 0x7fbfe0ea, 0x0e9d, 0x406b, 0xa2, 0x2, 0xca, 0x6a, 0x7d, 0x0e, 0x0f, 0x1e}; + EFI_GUID gEfiFirmwareVolume2ProtocolGuid = + { 0x220e73b6, 0x6bdb, 0x4413, 0x84, 0x5, 0xb9, 0x74, 0xb1, 0x8, 0x61, 0x9a }; + + pBS->CloseEvent (Event); + Status = pBS->LocateHandleBuffer (ByProtocol, \ + &gEfiFirmwareVolume2ProtocolGuid, \ + NULL, \ + &Number, \ + &FvHandle); + if (EFI_ERROR(Status)) return; + + for (i = 0; i < Number; i++) { + + Status = pBS->HandleProtocol (\ + FvHandle[i], &gEfiFirmwareVolume2ProtocolGuid, &Fv); + if (EFI_ERROR(Status)) continue; + + // Read SINIT AC module from Firmware Volume + SinitacmSize = 0; + pSinitacmPtr = NULL; + Status = Fv->ReadSection ( Fv, + &SinitAcmFfsGuid, + EFI_SECTION_RAW, + 0, + &pSinitacmPtr, + &SinitacmSize, + &Authentication ); + if (!EFI_ERROR(Status)) { + // SINIT Memory Base = TXT Public Space + 270h + TxtMemBase = *(UINT32*)0xfed30270; + // copy SINIT ACM to SINIT memory + pBS->CopyMem ((VOID*)TxtMemBase, pSinitacmPtr, SinitacmSize); + // BiosToOS Region Base = TXT Public Space + 300h + TxtMemBase = *(UINT32*)0xfed30300; + // Update SINIT ACM size to BiosToOS region + *(UINT32*)(TxtMemBase + 12) = (UINT32)SinitacmSize; + pBS->FreePool (pSinitacmPtr); + break; + } + } + pBS->FreePool (FvHandle); +} +#endif +//<AMI_PHDR_START> +//---------------------------------------------------------------------------- +// +// Procedure: LtDefineTpmNvramSpace +// +// Description: This routine for define the TPM Nvram space. +// +// Input: None. +// +// Output: TURE - Success. +// FALSE - Failed. +// +//---------------------------------------------------------------------------- +//<AMI_PHDR_END> +BOOLEAN +LtDefineTpmNvramSpace ( + VOID +) +{ + EFI_STATUS Status; + EFI_TCG_PROTOCOL *tcg; + EFI_TPM_DEVICE_PROTOCOL *TpmDevice; + UINT32 CmdReadNvram[3] = { TPM_H2NL(0x50000002), + TPM_H2NL(0x00000000), + TPM_H2NL(0x40) }; + TPM_DEF_NV_DATA CmdDefineNvram [] = { \ + // TPM_NV_DATA_PUBLIC1 & TPM_NV_DATA_PUBLIC1.TPM_PCR_INFO_SHORT + TPM_H2NS(0x18), TPM_H2NL(0x50000003), TPM_H2NS(0x03), 0, 0, 0 , 0x1f, \ + // TPM_NV_DATA_PUBLIC1.TPM_PCR_INFO_SHORT.TCPA_DIGEST + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \ + // TPM_NV_DATA_PUBLIC2.TPM_PCR_INFO_SHORT + TPM_H2NS(0x3), 0, 0, 0 , 0x18, \ + // TPM_NV_DATA_PUBLIC2.TPM_PCR_INFO_SHORT.TCPA_DIGEST + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \ + // TPM_NV_DATA_PUBLIC2 + TPM_H2NS(0x17), TPM_H2NL(0), 0, 0, 0, TPM_H2NL(0x40), \ + // TCPA_DIGEST + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; + + // locate the TPM Device Protocol for sending TPM command. + Status = pBS->LocateProtocol ( &gEfiTpmDeviceProtocolGuid, \ + NULL, \ + &TpmDevice ); + if (EFI_ERROR(Status)) { + TRACE ((TRACE_ALWAYS, \ + "TXT (TPM Error) : failed to locate TPM Device protocol.\n")); + return FALSE; + } + // locate the TCG Protocol for sending TPM command. + Status = pBS->LocateProtocol ( &gEfiTcgProtocolGuid, NULL, &tcg ); + if (EFI_ERROR (Status)) { + TRACE ((TRACE_ALWAYS, \ + "TXT (TPM Error) : failed to locate TCG protocol.\n")); + return FALSE; + } +#if defined SINIT_ACM_SUPPORT && SINIT_ACM_SUPPORT == 1 +{ + // BIOS-Based SINIT AC module support. + EFI_EVENT SinitEvent; + + Status = CreateReadyToBootEvent(TPL_CALLBACK, \ + EventUpdateSinitAcmToMemory, \ + NULL, \ + &SinitEvent ); +} +#endif + TpmDevice->Init(TpmDevice); + // Send TPM command to read TPM NVRAM space. + Status = LtSendTpmCommand ( tcg, \ + TPM_ORD_NV_READVALUE, \ + sizeof(CmdReadNvram), \ + CmdReadNvram ); + // if TPM NVRAM isn't defined, Send TPM command to define TPM NVRAM space. + if (Status != 0) { + CmdReadNvram[0] = TPM_H2NL(0x50000003); + Status = LtSendTpmCommand ( tcg, \ + TPM_ORD_NV_READVALUE, \ + sizeof(CmdReadNvram), \ + CmdReadNvram ); + if (Status != 0) { + Status = LtSendTpmCommand ( tcg, \ + TPM_ORD_NV_DEFINESPACE, \ + sizeof(TPM_DEF_NV_DATA), \ + &CmdDefineNvram ); + } + } + Status = TpmDevice->Close(TpmDevice); + + if ( Status ) return FALSE; + return TRUE; +} + +//<AMI_PHDR_START> +//---------------------------------------------------------------------------- +// +// Procedure: TxtTpmNvRamDefine +// +// Description: +// +// Input: None +// +// Output: None +// +//---------------------------------------------------------------------------- +//<AMI_PHDR_END> + +VOID TxtTpmNvRamDefine() +{ + UINTN VariableSize; + SETUP_DATA SetupData; + EFI_STATUS Status; + + VariableSize = sizeof(SETUP_DATA); + Status = pRS->GetVariable ( L"Setup", \ + &gSetupGuid, \ + NULL, \ + &VariableSize, \ + &SetupData ); + if (EFI_ERROR(Status)) + return; + + if (SetupData.TxtSupport != 0) { + if (SetupData.TpmSupport != 0) LtDefineTpmNvramSpace(); + } +} +#else +VOID TxtTpmNvRamDefine() +{ + return; +} +#endif + +//<AMI_PHDR_START> +//---------------------------------------------------------------------------- +// +// Procedure: GetTxtInfo +// +// Description: Get Txt information +// +// Input: None +// +// Output: None. +// +//---------------------------------------------------------------------------- +//<AMI_PHDR_END> + +EFI_STATUS GetTxtInfo ( + IN AMI_TXT_INFO_PROTOCOL *AMI_TXT_INFO_PROTOCOL, + OUT VOID **AmiTxtInfoData +){ + *AmiTxtInfoData = (VOID*)(&gAmiTxtInfoData); + return 0; +} + +//<AMI_PHDR_START> +//---------------------------------------------------------------------------- +// +// Procedure: InitAmiTxtInfo +// +// Description: Initialize Txt information +// +// Input: None +// +// Output: None. +// +//---------------------------------------------------------------------------- +//<AMI_PHDR_END> +VOID InitAmiTxtInfo() +{ + EFI_STATUS Status; + VOID *HobList; + TXT_INFO_HOB *TxtInfoHob; + UINT32 RegEax, RegEbx, RegEcx, RegEdx; + UINT32 *TxtErrCode = (UINT32*)(TXT_PUBLIC_BASE + 0x0030); + EFI_GUID gTxtInfoHobGuid = TXT_INFO_HOB_GUID; + + + HobList = GetEfiConfigurationTable(pST,&gHobListGuid); + if (!HobList) return; + + //Find RC Txt Info Hob. + TxtInfoHob = (TXT_INFO_HOB*)HobList; + while (!EFI_ERROR(Status = FindNextHobByType(EFI_HOB_TYPE_GUID_EXTENSION, &TxtInfoHob))) { + if (guidcmp(&TxtInfoHob->EfiHobGuidType.Name, &gTxtInfoHobGuid) == 0) break; + } + if (EFI_ERROR(Status)) return; + + //Initialize AmiTxtInfoProtocol + gAmiTxtInfoProtocol.ProtocolVer = AMI_TXT_INFO_PROTOCOL_VERSION; + gAmiTxtInfoProtocol.GetTxtInfo = GetTxtInfo; + + //Initialize AMI TXT info data from HOB created by Intel Txt RC + gAmiTxtInfoData.ChipsetIsTxtCapable = TxtInfoHob->Data.ChipsetIsTxtCapable; + gAmiTxtInfoData.TxtDprMemoryBase = TxtInfoHob->Data.TxtDprMemoryBase; + gAmiTxtInfoData.BiosAcmBase = TxtInfoHob->Data.BiosAcmBase; + gAmiTxtInfoData.McuUpdateDataAddr = TxtInfoHob->Data.McuUpdateDataAddr; + gAmiTxtInfoData.SinitAcmBase = TxtInfoHob->Data.SinitAcmBase; + + //Initializing ChipsetIsProduction default value + gAmiTxtInfoData.ChipsetIsProduction = (*(UINT32 *) (TXT_PUBLIC_BASE + 0x200) & BIT31) ? TRUE : FALSE; + + //Check ACM is production or not + gAmiTxtInfoData.BiosAcmIsProduction = (((ACM_HEADER*)(gAmiTxtInfoData.BiosAcmBase))->ModuleID & BIT31) ? FALSE : TRUE; + + //CPUID funciton 1 ECX[6], Secure Mode Extensions check + CPULib_CpuID(1, &RegEax, &RegEbx, &RegEcx, &RegEdx); + gAmiTxtInfoData.CpuIsTxtCapable = (RegEcx & BIT6) ? TRUE : FALSE; + + //TXT.CRASH register, TXT_PUBLIC_BASE + 0x30 + gAmiTxtInfoData.TxtErrCode = *TxtErrCode; + + Status = pBS->InstallProtocolInterface( + &TheImageHandle, + &gAmiTxtInfoProtocolGuid, + EFI_NATIVE_INTERFACE, + &gAmiTxtInfoProtocol + ); + + if (EFI_ERROR(Status)) + TRACE ((TRACE_ALWAYS, "AmiTXTDxe : Install Protocol error, Status = %x\n", Status)); +} + +//<AMI_PHDR_START> +//---------------------------------------------------------------------------- +// +// Procedure: AmiTxtDxeEntry +// +// Description: DXE Entry Point for Intel TXT Driver. +// +// Input: EFI_HANDLE - ImageHandle +// EFI_SYSTEM_TABLE* - SystemTable +// +// Output: None. +// +//---------------------------------------------------------------------------- +//<AMI_PHDR_END> +EFI_STATUS +AmiTxtDxeEntry ( + IN EFI_HANDLE ImageHandle, + IN EFI_SYSTEM_TABLE *SystemTable +) +{ +#if TCG_SUPPORT || TCG2Support + EFI_STATUS Status; + UINTN DataSize; + SETUP_DATA SetupData; + UINT8 *TpmBaseAddr = (UINT8*)0xfed40000; + UINT32 Attributes = 0; +#endif + + InitAmiLib(ImageHandle, SystemTable); + InitAmiTxtInfo(); + +#if TCG_SUPPORT || TCG2Support + DataSize = sizeof(SETUP_DATA); + + Status = pRS->GetVariable( + L"Setup", + &gSetupGuid, + &Attributes, + &DataSize, + &SetupData + ); + + ASSERT_EFI_ERROR(Status); + if (EFI_ERROR(Status)) return EFI_SUCCESS; + //If TxtSupport on, but Tpm device is not present or TpmSupport off, + //then turn off TxtSupport. + if (SetupData.TxtSupport){ + if ((*TpmBaseAddr == 0xff) || (!SetupData.TpmSupport)){ + SetupData.TxtSupport = 0; + + Status = pRS->SetVariable( + L"Setup", + &gSetupGuid, + Attributes, + sizeof(SETUP_DATA), + &SetupData + ); + + ASSERT_EFI_ERROR(Status); + } + } +#endif + + TxtTpmNvRamDefine(); + + return EFI_SUCCESS; +} + +//************************************************************************* +//************************************************************************* +//** ** +//** (C)Copyright 1987-2013, American Megatrends, Inc. ** +//** ** +//** All Rights Reserved. ** +//** ** +//** 5555 Oakbrook Parkway, Suite 200, Norcross, GA 30093 ** +//** ** +//** Phone: (770)-246-8600 ** +//** ** +//************************************************************************* +//************************************************************************* |