diff options
Diffstat (limited to 'Board/EM/FIT/Dxe/BootGuardDxe.c')
| -rw-r--r-- | Board/EM/FIT/Dxe/BootGuardDxe.c | 186 |
1 files changed, 186 insertions, 0 deletions
diff --git a/Board/EM/FIT/Dxe/BootGuardDxe.c b/Board/EM/FIT/Dxe/BootGuardDxe.c new file mode 100644 index 0000000..4c4ccb0 --- /dev/null +++ b/Board/EM/FIT/Dxe/BootGuardDxe.c @@ -0,0 +1,186 @@ +//********************************************************************** +//********************************************************************** +//** ** +//** (C)Copyright 1985-2013, American Megatrends, Inc. ** +//** ** +//** All Rights Reserved. ** +//** ** +//** 5555 Oakbrook Parkway, Suite 200, Norcross, GA 30093 ** +//** ** +//** Phone: (770)-246-8600 ** +//** ** +//********************************************************************** +//********************************************************************** +// $Header: /Alaska/SOURCE/Modules/SharkBayRefCodes/FIT/Dxe/BootGuardDxe.c 1 2/25/13 1:11a Bensonlai $ +// +// $Revision: 1 $ +// +// $Date: 2/25/13 1:11a $ +//********************************************************************** +// Revision History +// ---------------- +// $Log: /Alaska/SOURCE/Modules/SharkBayRefCodes/FIT/Dxe/BootGuardDxe.c $ +// +// 1 2/25/13 1:11a Bensonlai +// [TAG] EIP114386 +// [Category] Spec Update +// [Severity] Important +// [Description] [SBY] Ultrabook for Shark Bay Platform - : Boot Guard +// for 4th Gen Intel Core Processor based on Mobile U-Processor Line - +// BIOS Writer's Guide - Rev 0.8.1 +// [Files] BootGuardDxe.cif +// BootGuardDxe.c +// BootGuardDxe.h +// BootGuardDxe.sdl +// BootGuardDxe.dxs +// BootGuardDxe.mak +// +//********************************************************************** +//<AMI_FHDR_START> +// +// Name: BootGuardDxe.c +// +// Description: Chain of trust for Dxe +// +//<AMI_FHDR_END> +//********************************************************************** + +#include "BootGuardDxe.h" + +VOID +BootGuardDxeCallback ( + IN EFI_EVENT Event, + IN VOID *Context +) +{ + EFI_INPUT_KEY Key; + EFI_STATUS Status; + + gST->ConOut->ClearScreen (gST->ConOut); + + gST->ConOut->OutputString ( + gST->ConOut, + L"Anchor Cove verified DXE that is fail\n\r" + ); + + gST->ConOut->OutputString ( + gST->ConOut, + L"System will shutdown\n\r" + ); + + gST->ConOut->OutputString ( + gST->ConOut, + L"Press any key\n\r" + ); + + do { + Status = gST->ConIn->ReadKeyStroke (gST->ConIn, &Key); + } while (Status != EFI_SUCCESS); + + gRT->ResetSystem (EfiResetShutdown, EFI_SUCCESS, 0, NULL); + EFI_DEADLOOP (); + + gBS->CloseEvent (Event); +} + +VOID +BootGuardDxeRegisterCallBack ( + VOID +) +{ + EFI_EVENT Event; + VOID *NotifyReg; + EFI_STATUS Status; + + Status = gBS->CreateEvent ( + EFI_EVENT_NOTIFY_SIGNAL, + EFI_TPL_CALLBACK, + BootGuardDxeCallback, + NULL, + &Event + ); + + if ( EFI_ERROR(Status) ) { + ASSERT_EFI_ERROR (Status); + return; + } + + Status = gBS->RegisterProtocolNotify ( + &gNotifyProtocolGuid , + Event, + &NotifyReg + ); + + if ( EFI_ERROR(Status) ) { + ASSERT_EFI_ERROR (Status); + return; + } + + return; +} + +EFI_STATUS +BootGuardDxeEntryPoint ( + IN EFI_HANDLE ImageHandle, + IN EFI_SYSTEM_TABLE *SystemTable +) +{ + EFI_GUID AmiBootGuardHobGuid = AMI_ANCHOR_COVE_HOB_GUID; + AMI_ANCHOR_COVE_HOB *AmiBootGuardHobPtr; + PCH_SERIES PchSeries = GetPchSeries(); + EFI_BOOT_MODE BootMode; + EFI_PEI_HOB_POINTERS HobList; + + if ( PchSeries != PchLp ) { + return EFI_SUCCESS; + } + + if ( IsBootGuardSupported() == FALSE ) { + return EFI_SUCCESS; + } + + DEBUG ((EFI_D_INFO, "[BootGuardDxe.c] : Entry Point...\n")); + + // + // Check Boot Type + // + EfiGetSystemConfigurationTable (&gEfiHobListGuid, (VOID **) &HobList.Raw); + if (HobList.Header->HobType != EFI_HOB_TYPE_HANDOFF) { + DEBUG ((EFI_D_ERROR, "[BootGuardDxe.c] : Get HOB fail\n")); + return EFI_SUCCESS; + } + + BootMode = HobList.HandoffInformationTable->BootMode; + if ( BootMode == BOOT_IN_RECOVERY_MODE ) { + DEBUG ((EFI_D_ERROR, "[BootGuardDxe.c] : In the BOOT_IN_RECOVERY_MODE\n")); + return EFI_SUCCESS; + } + + AmiBootGuardHobPtr = GetFirstGuidHob (&AmiBootGuardHobGuid); + if (AmiBootGuardHobPtr == NULL) { + DEBUG ((EFI_D_ERROR, "[BootGuardDxe.c] : AmiBootGuard DXE Hob not available\n")); + return EFI_NOT_FOUND; + } + + if ( AmiBootGuardHobPtr->AmiBootGuardVerificationforPEItoDXEFlag == 0 ) { + BootGuardDxeRegisterCallBack(); + } + + DEBUG ((EFI_D_INFO, "[BootGuardDxe.c] : Entry End...\n")); + + return EFI_SUCCESS; +} + +//********************************************************************** +//********************************************************************** +//** ** +//** (C)Copyright 1985-2013, American Megatrends, Inc. ** +//** ** +//** All Rights Reserved. ** +//** ** +//** 5555 Oakbrook Parkway, Suite 200, Norcross, GA 30093 ** +//** ** +//** Phone: (770)-246-8600 ** +//** ** +//********************************************************************** +//********************************************************************** |