diff options
Diffstat (limited to 'Core/EM/CmosManager/CmosManagerHob.c')
| -rw-r--r-- | Core/EM/CmosManager/CmosManagerHob.c | 429 |
1 files changed, 429 insertions, 0 deletions
diff --git a/Core/EM/CmosManager/CmosManagerHob.c b/Core/EM/CmosManager/CmosManagerHob.c new file mode 100644 index 0000000..c2d785c --- /dev/null +++ b/Core/EM/CmosManager/CmosManagerHob.c @@ -0,0 +1,429 @@ +//************************************************************************* +//************************************************************************* +//** ** +//** (C)Copyright 1985-2009, American Megatrends, Inc. ** +//** ** +//** All Rights Reserved. ** +//** ** +//** 5555 Oakbrook Parkway, Suite 200, Norcross, GA 30093 ** +//** ** +//** Phone: (770)-246-8600 ** +//** ** +//************************************************************************* +//************************************************************************* + +//********************************************************************** +// $Header: /Alaska/SOURCE/Modules/CMOS Manager/CMOS Core/CMOS Source/CmosManagerHob.c 13 6/15/10 2:24p Michaela $ +// +// $Revision: 13 $ +// +// $Date: 6/15/10 2:24p $ +//********************************************************************** +// Revision History +// ---------------- +// $Log: /Alaska/SOURCE/Modules/CMOS Manager/CMOS Core/CMOS Source/CmosManagerHob.c $ +// +// 13 6/15/10 2:24p Michaela +// +// 12 12/04/09 7:32p Michaela +// +// 11 12/03/09 6:43p Michaela +// changed CmosManagerAfterMemoryEntry() to update +// the PEI Services table earlier. +// +// 10 7/29/09 9:59a Michaela +// updates Aptio Enhancement EIP 22205 +// (no code changes) +// +// 9 6/15/09 5:11p Michaela +// +// 8 6/02/09 3:27p Michaela +// For label: 4.6.3_CMOSMGR_11 +// +// 7 11/17/08 3:42p Michaela +// --Removed development debugging code +// --ABORT_ERROR macro replaced with EFI_ERROR macro usage +// +// 6 11/07/08 5:13p Michaela +// Updated to make CMOS manager available in all phases +// of the boot process: +// +// A CMOS API Pointer is maintained in CMOS and accessible +// via provided macros in C and assembly source. +// +// 5 3/07/08 4:07p Michaela +// Label 4.6.3_CMOSMGR_05 fixes: +// -- write errors to Optimal Defaults buffer before memory detection +// -- CMOS Token table corruption when name strings are disabled +// +// 4 2/29/08 9:35p Michaela +// - Added recovery path policy +// - fixed other minor bugs +// +// 3 2/26/08 12:49p Michaela +// Added/modified Helpbuilder headers +// +// 2 2/22/08 5:08p Michaela +// update EFI_PEI_SERVICES pointer on ppi callback +// +// 1 2/22/08 2:29p Michaela +// +// 1 2/04/08 6:00p MichaelA +// Created +// +//********************************************************************** + +//<AMI_FHDR_START> +//--------------------------------------------------------------------------- +// +// Name: CmosManagerHob.c +// +// Description: Contains the routines that are used to access the +// HOB data structure. +// +//--------------------------------------------------------------------------- +//<AMI_FHDR_END> + +#include <Efi.h> +#ifdef PEI_COMPILE + #include <Pei.h> + #include <AmiPeiLib.h> +#else + #include <AmiDxeLib.h> +#endif +#include "CmosManager.h" +#include "CmosManagerHob.h" + +#ifdef PEI_COMPILE + + //----------------------------------------------------------------------- + // Data originally defined in CmosTables.c + //----------------------------------------------------------------------- + + extern CMOS_TOKEN gCmosTokenTable[]; + extern UINT16 gCmosTokenTableSize; + extern CMOS_REGISTER gCmosOptimalDefaultTable[]; + extern UINT16 gCmosOptimalDefaultTableSize; + extern CMOS_REGISTER gCmosNoCheckSumTable[]; + extern UINT16 gCmosNoCheckSumTableSize; + extern CMOS_REGISTER gUnmanagedTable[]; + extern UINT16 gUnmanagedTableSize; + + EFI_GUID gCmosDataHobInstalledGuid = + EFI_CMOS_DATA_HOB_INSTALLED_GUID; +#endif + +//<AMI_PHDR_START> +//--------------------------------------------------------------------------- +// +// Procedure: CmosSynchronizeHobManagerStatus +// +// Description: +// This function synchronizes the ManagerStatus information in +// the CMOS data HOB to be passed to DXE. +// +// Input: +// IN EFI_CMOS_MANAGER_INTERFACE *Manager +// -- Manager interface pointer +// +// Output: +// VOID (Return value) +// +// Notes: +// +//--------------------------------------------------------------------------- +//<AMI_PHDR_END> + +#ifdef PEI_COMPILE +VOID CmosSynchronizeHobManagerStatus( + IN EFI_CMOS_MANAGER_INTERFACE *Manager ) +{ + if (Manager->ManagerHob != NULL) + Manager->ManagerHob->ManagerStatus = Manager->ManagerStatus; +} +#endif + + +//<AMI_PHDR_START> +//--------------------------------------------------------------------------- +// +// Procedure: CmosSynchronizeHobChecksum +// +// Description: +// This function synchronizes the Checksum information in +// the CMOS data HOB to be passed to DXE. +// +// Input: +// OUT EFI_CMOS_MANAGER_INTERFACE *Manager +// -- Manager->ManagerHob->CheckSum = Manager->CheckSum +// +// Output: +// VOID (Return value) +// +// Notes: +// +//--------------------------------------------------------------------------- +//<AMI_PHDR_END> + +#ifdef PEI_COMPILE +VOID CmosSynchronizeHobChecksum( + OUT EFI_CMOS_MANAGER_INTERFACE *Manager ) +{ + if (Manager->ManagerHob != NULL) + Manager->ManagerHob->Checksum = Manager->Checksum; + +} +#endif + + +//<AMI_PHDR_START> +//--------------------------------------------------------------------------- +// +// Procedure: CreateCmosDataHob +// +// Description: +// This function creates the CMOS data HOB, when memory is available. +// +// Input: +// IN EFI_CMOS_MANAGER_INTERFACE *Manager +// -- Manager interface pointer +// +// Output: +// EFI_STATUS (Return value) +// = EFI_SUCCESS or valid EFI error code +// +// Notes: +// This function is used only in PEI phase, included by the build +// macro PEI_COMPILE. +// +//--------------------------------------------------------------------------- +//<AMI_PHDR_END> + +#ifdef PEI_COMPILE +EFI_STATUS CreateCmosDataHob( + IN EFI_CMOS_MANAGER_INTERFACE *Manager ) +{ + UINT16 TokenIndex = 0; // First valid token table index is 1 + EFI_STATUS Status; + UINT16 HobSize = sizeof(CMOS_MANAGER_HOB); + EFI_GUID CmosManagerHobGuid = CMOS_MANAGER_HOB_GUID; + CMOS_MANAGER_HOB *CmosManagerHob; + DEFINE_PEI_SERVICES(Manager->Access.PeiServices); + + Status = (*PeiServices)->CreateHob( PeiServices, + EFI_HOB_TYPE_GUID_EXTENSION, + HobSize, + &CmosManagerHob); + + CmosManagerHob->Header.Name = CmosManagerHobGuid; + CmosManagerHob->FirstManagedRegister = Manager->FirstManagedRegister; + CmosManagerHob->LastManagedRegister = Manager->LastManagedRegister; + CmosManagerHob->TokenCount = Manager->TokenCount; + CmosManagerHob->OptimalDefaultCount = Manager->OptimalDefaultCount; + CmosManagerHob->NoChecksumCount = Manager->NoChecksumCount; + CmosManagerHob->UnmanagedTableCount = Manager->UnmanagedTableCount; + CmosManagerHob->Checksum = Manager->Checksum; + CmosManagerHob->ManagerStatus = Manager->ManagerStatus; + Manager->ManagerHob = CmosManagerHob; + + // Use a raw copy to initialize the tables in the HOB + // from global arrays + + if ( EFI_ERROR(Status) ) + return Status; + else { + MemCpy( CmosManagerHob->TokenTable, + Manager->TokenTable, + Manager->TokenCount * sizeof(CMOS_TOKEN) + ); + MemCpy( CmosManagerHob->OptimalDefaultTable , + Manager->OptimalDefaultTable, + Manager->OptimalDefaultCount * sizeof(CMOS_REGISTER) + ); + MemCpy( CmosManagerHob->NoChecksumTable , + Manager->NoChecksumTable, + Manager->NoChecksumCount * sizeof(CMOS_REGISTER) + ); + MemCpy( CmosManagerHob->UnmanagedTable , + Manager->UnmanagedTable, + Manager->UnmanagedTableCount * sizeof(CMOS_REGISTER) + ); + } + + //----------------------------------------------------------------------- + // The Manager will now use the HOB versions of the tables for + // faster access and to ensure proper updating of the optimal defaults + // buffer. + //----------------------------------------------------------------------- + + Manager->TokenTable = CmosManagerHob->TokenTable; + Manager->OptimalDefaultTable = CmosManagerHob->OptimalDefaultTable; + Manager->NoChecksumTable = CmosManagerHob->NoChecksumTable; + Manager->UnmanagedTable = CmosManagerHob->UnmanagedTable; + + //----------------------------------------------------------------------- + // Install a notification PPI to inform that the CMOS data HOB is + // installed. + // + // Note: The current routine is executed from within a notification, + // so any PPI waiting on the install notification PPI must + // use the EFI_PEI_PPI_DESCRIPTOR_NOTIFY_CALLBACK Flag. + //----------------------------------------------------------------------- + + Manager->Ppi[CMOS_DATA_HOB_INSTALLED_PPI_TYPE].Flags = + EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST; + Manager->Ppi[CMOS_DATA_HOB_INSTALLED_PPI_TYPE].Guid = + &gCmosDataHobInstalledGuid; + Manager->Ppi[CMOS_DATA_HOB_INSTALLED_PPI_TYPE].Ppi = NULL; + Status = (*PeiServices)->InstallPpi( + PeiServices, &Manager->Ppi[CMOS_DATA_HOB_INSTALLED_PPI_TYPE]); + + return Status; +} +#endif + + +//<AMI_PHDR_START> +//--------------------------------------------------------------------------- +// +// Procedure: CmosManagerAfterMemoryEntry +// +// Description: +// This function calls CreateCmosDataHob to create the DXE data HOB +// after permanent memory has been installed, and updates the new CMOS +// Access Interface Address, as well as the CMOS-based API pointer. +// +// Input: +// IN EFI_FFS_FILE_HEADER *FfsHeader +// -- EFI_FFS_FILE_HEADER pointer +// IN EFI_PEI_SERVICES **PeiServices +// -- PEI Services table pointer +// +// Output: +// EFI_STATUS (Return value) +// = EFI_SUCCESS or valid EFI error code +// +// Notes: +// This function is used only in PEI phase, included by the build +// macro PEI_COMPILE. +// +// +//--------------------------------------------------------------------------- +//<AMI_PHDR_END> + +#ifdef PEI_COMPILE +EFI_STATUS CmosManagerAfterMemoryEntry ( + IN EFI_FFS_FILE_HEADER *FfsHeader, + IN EFI_PEI_SERVICES **PeiServices ) +{ + EFI_STATUS Status = EFI_SUCCESS; + EFI_CMOS_ACCESS_INTERFACE *Cmos; + EFI_CMOS_MANAGER_INTERFACE *Manager; + + extern EFI_CMOS_MANAGER_INTERFACE *GetCmosMangerInterface( + IN EFI_CMOS_ACCESS_INTERFACE *Cmos ); + + LOCATE_CMOS_ACCESS_PPI(Status, Cmos); // get Manager's interface + if (EFI_ERROR(Status)) + return Status; + + CMOS_TRACE_FULL((CMOS_TRACE_ALWAYS, "CmosManagerAfterMemoryEntry...\n" )); + + Manager = GetCmosMangerInterface(Cmos); + + // Update PeiServices first + + Manager->Access.PeiServices = PeiServices; + + // Update the API pointer in CMOS + + Manager->SaveApiPointerToCmos(Manager, Cmos); + + // Indicate that manager is now executing in memory + + Manager->SetStatus(Manager, CMOS_EXECUTING_IN_MEMORY); + + // Create the HOB + + CreateCmosDataHob(Manager); + + return Status; +} +#endif + + +//<AMI_PHDR_START> +//--------------------------------------------------------------------------- +// +// Procedure: InitializeCmosDataTablesFromHob +// +// Description: +// This function locates the HOB containing the table of CMOS tokens +// and initializes token table information in the CMOS manager's +// interface. +// +// Input: +// OUT EFI_CMOS_MANAGER_INTERFACE *Manager +// - The CMOS manager interface to initialize. +// +// Output: +// EFI_STATUS (Return value) +// = EFI_SUCCESS or valid EFI error code +// +// Notes: +// This function is used only in DXE phase, included by the build +// process via the absence of the macro PEI_COMPILE. +// +//--------------------------------------------------------------------------- +//<AMI_PHDR_END> + +#ifndef PEI_COMPILE +EFI_STATUS InitializeCmosTablesFromHob( + OUT EFI_CMOS_MANAGER_INTERFACE *Manager ) +{ + EFI_STATUS Status; + EFI_GUID HobListGuid = HOB_LIST_GUID; + EFI_GUID CmosManagerHobGuid = CMOS_MANAGER_HOB_GUID; + CMOS_MANAGER_HOB *CmosManagerHob; + + CmosManagerHob = + (CMOS_MANAGER_HOB*)GetEfiConfigurationTable(pST,&HobListGuid); + if ( CmosManagerHob == NULL ) + return Status = EFI_UNSUPPORTED; + + Status = FindNextHobByGuid( &CmosManagerHobGuid, (VOID**)&CmosManagerHob); + if (EFI_ERROR( Status )) + return Status; + + Manager->ManagerHob = CmosManagerHob; // for completeness + Manager->FirstManagedRegister = CmosManagerHob->FirstManagedRegister; + Manager->LastManagedRegister = CmosManagerHob->LastManagedRegister; + Manager->TokenTable = CmosManagerHob->TokenTable; + Manager->TokenCount = CmosManagerHob->TokenCount; + Manager->OptimalDefaultTable = CmosManagerHob->OptimalDefaultTable; + Manager->OptimalDefaultCount = CmosManagerHob->OptimalDefaultCount; + Manager->NoChecksumTable = CmosManagerHob->NoChecksumTable; + Manager->NoChecksumCount = CmosManagerHob->NoChecksumCount; + Manager->UnmanagedTable = CmosManagerHob->UnmanagedTable; + Manager->UnmanagedTableCount = CmosManagerHob->UnmanagedTableCount; + Manager->Checksum = CmosManagerHob->Checksum; + Manager->ManagerStatus = CmosManagerHob->ManagerStatus; + + return Status = EFI_SUCCESS; +} +#endif + + +//************************************************************************* +//************************************************************************* +//** ** +//** (C)Copyright 1985-2009, American Megatrends, Inc. ** +//** ** +//** All Rights Reserved. ** +//** ** +//** 5555 Oakbrook Parkway, Suite 200, Norcross, GA 30093 ** +//** ** +//** Phone: (770)-246-8600 ** +//** ** +//************************************************************************* +//************************************************************************* |