diff options
Diffstat (limited to 'Core/EM/FastBoot/FastBootOption/FastBootOption.c')
| -rw-r--r-- | Core/EM/FastBoot/FastBootOption/FastBootOption.c | 433 |
1 files changed, 433 insertions, 0 deletions
diff --git a/Core/EM/FastBoot/FastBootOption/FastBootOption.c b/Core/EM/FastBoot/FastBootOption/FastBootOption.c new file mode 100644 index 0000000..d05d0b9 --- /dev/null +++ b/Core/EM/FastBoot/FastBootOption/FastBootOption.c @@ -0,0 +1,433 @@ +//********************************************************************** +//********************************************************************** +//** ** +//** (C)Copyright 1985-2012, American Megatrends, Inc. ** +//** ** +//** All Rights Reserved. ** +//** ** +//** 6145-F Northbelt Pkwy, Norcross, GA 30071 ** +//** ** +//** Phone: (770)-246-8600 ** +//** ** +//********************************************************************** +//********************************************************************** + +//********************************************************************** +// $Header: /Alaska/SOURCE/Modules/PTT/FastBootOption/FastBootOption.c 2 7/14/13 10:52p Simonchen $ +// +// $Revision: 2 $ +// +// $Date: 7/14/13 10:52p $ +//********************************************************************** +// Revision History +// ---------------- +// $Log: /Alaska/SOURCE/Modules/PTT/FastBootOption/FastBootOption.c $ +// +// 2 7/14/13 10:52p Simonchen +// [TAG] EIP129092 +// [Category] Improvement +// [Description] Add CloseEvent in OnExitBootServices in +// FastBootOption.c +// [Files] FastBootOption.c +// +// 1 10/30/12 4:22a Bibbyyeh +// [TAG] EIP105177 +// [Category] New Feature +// [Description] Report pseudo boot option for Windows 'Boot To Device' +// support +// [Files] FastBootOption.cif FastBootOption.sdl +// FastBootOption.mak FastBootOption.h FastBootOption.c +// FastBootOptionBds.c FastBootOption.dxs +// +// +//<AMI_FHDR_START> +//--------------------------------------------------------------------------- +// +// Name: FastBootOption.c +// +// Description: FastBootOption Support +// +//--------------------------------------------------------------------------- +//<AMI_FHDR_END> + +#include "FastBootOption.h" +#include <Setup.h> +#include <Protocol\FastBootProtocol.h> + +#define EFI_TPL_NOTIFY TPL_NOTIFY + +#define BOOT_FLOW_CONDITION_FAST_BOOT 7 +#define BOOT_FLOW_CONDITION_NORMAL 0 + +EFI_EVENT gExitBootServicesEvent; +EFI_GUID EfiVariableGuid = EFI_GLOBAL_VARIABLE; + +TempDeviceMap BootOptionTemp[]={ +// { TempUefiHddDevice, "UEFI:Hard Drive" }, + { TempUefiOddDevice, "UEFI:CD/DVD Drive" }, + { TempUefiRemDevice, "UEFI:Removable Device" }, + { TempUefiNetDevice, "UEFI:Network Device" } +}; + +//<AMI_PHDR_START> +//--------------------------------------------------------------------------- +// +// Procedure: GetUEFIBootName +// +// Description: Get Variable Boot#### and return data pointer. +// +// Input: +// IN UINT16 BootIndex +// +// Output: +// EFI_LOAD_OPTION +// +// Modified: +// +// Referrals: +// +// Notes: +// +//--------------------------------------------------------------------------- +//<AMI_PHDR_END> +EFI_LOAD_OPTION* GetUEFIBootName(IN UINT16 BootIndex) +{ +// EFI_GUID EfiVariableGuid = EFI_GLOBAL_VARIABLE; + EFI_STATUS Status; + UINTN OptionSize; + CHAR16 BootVarName[15]; + EFI_LOAD_OPTION *BootOption = NULL; //buffer for BootXXX variables + + Swprintf( BootVarName, gBootName, BootIndex); //(EIP35562) + + OptionSize = 0; + Status = pRS->GetVariable( BootVarName, &EfiVariableGuid, NULL, &OptionSize, NULL); + if(Status != EFI_NOT_FOUND) + { + BootOption=Malloc( OptionSize ); + Status = pRS->GetVariable( BootVarName, &EfiVariableGuid, NULL, &OptionSize, BootOption); + return BootOption; + } + else + return NULL; + +} + +//<AMI_PHDR_START> +//--------------------------------------------------------------------------- +// +// Procedure: AddBootOption +// +// Description: calculate devicepath length +// +// +// Input: IN UINT16 Number +// IN EFI_DEVICE_PATH_PROTOCOL *Dp +// IN UINT32 Attributes +// IN VOID *pOptions +// IN UINTN OptionsSize +// IN CHAR16 *DefaultName +// Output: +// +// Modified: +// +// Referrals: +// +// Notes: +// +//--------------------------------------------------------------------------- +//<AMI_PHDR_END> +EFI_STATUS AddBootOption( + IN UINT16 Number, + IN EFI_DEVICE_PATH_PROTOCOL *Dp, + IN UINT32 Attributes, + IN VOID *pOptions, IN UINTN OptionsSize, IN CHAR16 *DefaultName +) +{ + + EFI_GUID EfiVariableGuid = EFI_GLOBAL_VARIABLE; + EFI_LOAD_OPTION *Option; + UINTN Size=0, Length; + CHAR16 BootVarName[15]; //Boot0000 + CHAR16 NameStr[1024]; + EFI_STATUS Status; + + Length = DPLength(Dp); + + if ( !pOptions ) + OptionsSize=0; + else + { + Swprintf( NameStr, L"%S", pOptions ); + Size = (Wcslen(NameStr)+1)*sizeof(CHAR16); + } + //Size = (EfiStrLen(NameStr)+1)*sizeof(CHAR16); + Option = Malloc(sizeof(*Option)+Size+Length); + if (!Option) return EFI_OUT_OF_RESOURCES; + + Option->Attributes = Attributes; + Option->FilePathListLength = (UINT16)Length; + + if(OptionsSize) + pBS->CopyMem(Option+1, NameStr, Size); + + pBS->CopyMem((UINT8*)(Option+1)+Size, Dp, Length); + + Swprintf(BootVarName, gBootName, Number); + TRACE((-1,"[FastBootOption] Add %S (%S)\n", BootVarName, NameStr)); + Status = pRS->SetVariable( + BootVarName, &EfiVariableGuid, + EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS, + sizeof(*Option)+Size+Length, Option + ); + + pBS->FreePool(Option); + return Status; +} + +//<AMI_PHDR_START> +//--------------------------------------------------------------------------- +// +// Procedure: CreateBootOption +// +// Description: Create variable Boot#### +// +// +// Input: IN UINT16 OptionNumber +// IN UINT16 Index +// IN UINT16 DevType +// +// Output: +// +// Modified: +// +// Referrals: +// +// Notes: +// +//--------------------------------------------------------------------------- +//<AMI_PHDR_END> +void CreateBootOption(IN UINT16 OptionNumber, IN UINT16 DevType, CHAR8 *Description) +{ + +static struct { + BBS_BBS_DEVICE_PATH bbs; + EFI_DEVICE_PATH_PROTOCOL end; +} LegacyDp = + { + {{BBS_DEVICE_PATH,BBS_BBS_DP,sizeof(BBS_BBS_DEVICE_PATH)},0xff,0,0}, + {END_DEVICE_PATH,END_ENTIRE_SUBTYPE,sizeof(EFI_DEVICE_PATH_PROTOCOL)} + }; + + + LegacyDp.bbs.DeviceType = DevType; + + AddBootOption( + OptionNumber, &LegacyDp.bbs.Header, + LOAD_OPTION_ACTIVE, + Description, sizeof(Description) + 1, NULL); + +} + + +//<AMI_PHDR_START> +//---------------------------------------------------------------------------- +// Procedure: CreateTempBootOption +// +// Description: This function is the entry point for FastBootOption Driver. +// +// Input: +// +// +// Output: +// +// +// Notes: +// +// +//---------------------------------------------------------------------------- +//<AMI_PHDR_END> +EFI_STATUS CreateTempBootOption() +{ + EFI_STATUS Status = EFI_SUCCESS; + UINT16 *BootOrder = NULL, NewBootOrder[50]; + UINTN BootOrderSize = 0; + UINT16 MapIndex, i, BootIndex = 1; + BOOLEAN TempDeviceFound = FALSE; + + Status = GetEfiVariable( L"BootOrder", &EfiVariableGuid, NULL, &BootOrderSize, &BootOrder); + + if( !EFI_ERROR(Status) ) + { + for( i=0; i<BootOrderSize/sizeof(UINT16); i++) + { + EFI_LOAD_OPTION *BootOption=NULL; + BBS_BBS_DEVICE_PATH *BBSdp; + BootOption=GetUEFIBootName( BootOrder[i] ); + + if( BootOption ) + { + BBSdp = (BBS_BBS_DEVICE_PATH*) ((UINT8*)(BootOption+1) + +(Wcslen((CHAR16*)(BootOption+1))+1)*sizeof(CHAR16)); + + if( BBSdp->Header.Type == BBS_DEVICE_PATH ) + { + switch( BBSdp->DeviceType ) + { + case TempUefiHddDevice: + case TempUefiOddDevice: + case TempUefiRemDevice: + case TempUefiNetDevice: + TempDeviceFound=TRUE; + break; + } + } + + pBS->FreePool(BootOption); + } + + if( TempDeviceFound ) + break; + } + + pBS->CopyMem(NewBootOrder, BootOrder, BootOrderSize); + pBS->FreePool(BootOrder); + + //TRACE((-1,"CreateTempBootOption::TempDeviceFound(%d)\n", TempDeviceFound)); + //already create temp device? + if( TempDeviceFound ) + return EFI_SUCCESS; + } + + for( MapIndex=0; MapIndex<sizeof(BootOptionTemp)/sizeof(TempDeviceMap); MapIndex++) + { + for( i=0; i<BootOrderSize/sizeof(UINT16); i++) + { + if( NewBootOrder[i] == BootIndex ) + { + BootIndex++; + i=-1; + continue; + } + } + + NewBootOrder[i]=BootIndex; + BootOrderSize+=sizeof(UINT16); + + CreateBootOption( BootIndex, BootOptionTemp[MapIndex].DeviceTypeId, BootOptionTemp[MapIndex].TempName ); + } + + //Update Variable "BootOrder". + if( BootOrderSize ) + { + pRS->SetVariable( + L"BootOrder", + &EfiVariableGuid, + EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS, + BootOrderSize, + &NewBootOrder[0]); + } + + return Status; +} + + + +//<AMI_PHDR_START> +//--------------------------------------------------------------------------- +// +// Name: OnExitBootServices +// +// Description: EXIT_BOOT_SERVICES notification callback function. +// +//--------------------------------------------------------------------------- +//<AMI_PHDR_END> + +VOID +OnExitBootServices( + IN EFI_EVENT Event, + IN VOID *Context +) +{ + EFI_STATUS Status; + EFI_GUID FastBootPolicyGuid = FAST_BOOT_POLICY_PROTOCOL_GUID; + FAST_BOOT_POLICY *gFastBootPolicy; + EFI_GUID guidBootFlow = BOOT_FLOW_VARIABLE_GUID; + UINT32 BootFlow; + UINTN Size; + + TRACE((-1,"FastBootOption OnExitBootServices event .............\n")); + Status = pBS->LocateProtocol(&FastBootPolicyGuid,NULL,&gFastBootPolicy); + + TRACE((-1,"FastBootOption gFastBootPolicy->FastBootEnable = %d\n", gFastBootPolicy->FastBootEnable)); + if (EFI_ERROR(Status) || gFastBootPolicy->FastBootEnable == FALSE) { + pBS->CloseEvent (Event); + return; + } + Status = pRS->GetVariable(L"BootFlow", &guidBootFlow, NULL, &Size, &BootFlow); + TRACE((-1,"FastBootOption BootFlow = %d\n", BootFlow)); + + if(!EFI_ERROR(Status) && (BootFlow == BOOT_FLOW_CONDITION_FAST_BOOT)) + CreateTempBootOption(); + + pBS->CloseEvent (Event); +} + + +//<AMI_PHDR_START> +//---------------------------------------------------------------------------- +// Procedure: FastBootOptionEntryPoint +// +// Description: This function is the entry point for FastBootOption Driver. +// +// Input: +// EFI_HANDLE ImageHandle Image handle. +// EFI_SYSTEM_TABLE *SystemTable Pointer to the EFI system table. +// +// Output: +// EFI_SUCCESS Security interface installed. +// EFI_ERROR Security interface not installed or unable to locate +// some protocol. +// +// Notes: +// Entry Points are used to locate or install protocol interfaces and +// notification events. +// +//---------------------------------------------------------------------------- +//<AMI_PHDR_END> + +EFI_STATUS FastBootOptionEntryPoint( + IN EFI_HANDLE ImageHandle, + IN EFI_SYSTEM_TABLE *SystemTable ) +{ + EFI_HANDLE Handle = NULL; + EFI_STATUS Status = EFI_SUCCESS; + + InitAmiLib( ImageHandle, SystemTable ); + + TRACE((-1,"FastBootOptionEntryPoint.............\n")); + + pBS->CreateEvent ( + EVT_SIGNAL_EXIT_BOOT_SERVICES, + EFI_TPL_NOTIFY, + OnExitBootServices, + NULL, + &gExitBootServicesEvent + ); + + return Status; +} + +//********************************************************************** +//********************************************************************** +//** ** +//** (C)Copyright 1985-2012, American Megatrends, Inc. ** +//** ** +//** All Rights Reserved. ** +//** ** +//** 6145-F Northbelt Pkwy, Norcross, GA 30071 ** +//** ** +//** Phone: (770)-246-8600 ** +//** ** +//********************************************************************** +//********************************************************************** |