diff options
Diffstat (limited to 'Board/EM/RapidStartWrapper/Smm/RapidStartWrapperSmm.c')
| -rw-r--r-- | Board/EM/RapidStartWrapper/Smm/RapidStartWrapperSmm.c | 238 |
1 files changed, 238 insertions, 0 deletions
diff --git a/Board/EM/RapidStartWrapper/Smm/RapidStartWrapperSmm.c b/Board/EM/RapidStartWrapper/Smm/RapidStartWrapperSmm.c new file mode 100644 index 0000000..2d21006 --- /dev/null +++ b/Board/EM/RapidStartWrapper/Smm/RapidStartWrapperSmm.c @@ -0,0 +1,238 @@ +//********************************************************************** +//********************************************************************** +//** ** +//** (C)Copyright 1985-2012, American Megatrends, Inc. ** +//** ** +//** All Rights Reserved. ** +//** ** +//** 5555 Oakbrook Parkway, Suite 200, Norcross, GA 30093 ** +//** ** +//** Phone: (770)-246-8600 ** +//** ** +//********************************************************************** +//********************************************************************** + +//********************************************************************** +// $Header: /Alaska/SOURCE/Modules/Intel Fast Flash Standby/iRST_SharkBay/RapidStartWrapper/RapidStartWrapperSmm.c 3 5/13/14 4:56a Joshchou $ +// +// $Revision: 3 $ +// +// $Date: 5/13/14 4:56a $ +//********************************************************************** +// Revision History +// ---------------- +// $Log: /Alaska/SOURCE/Modules/Intel Fast Flash Standby/iRST_SharkBay/RapidStartWrapper/RapidStartWrapperSmm.c $ +// +// 3 5/13/14 4:56a Joshchou +// [TAG] EIP167032 +// [Category] Improvement +// [Description] Review the variable's attribute, we shouldn't use +// runtime attribute with setup variable. +// [Files] RapidStartWrapperSmm.c +// RapidStartWrapperSmm.h +// RapidStartWrapperSmm.cif +// +// 2 4/15/13 2:36a Bensonlai +// [TAG] None +// [Category] Bug Fix +// [Severity] Important +// [Symptom] If users change any item from driver then restore to boot +// setting, our SMI can't distinguish between user's and driver's event. +// [RootCause] It's an Intel driver issue. +// [Solution] 1. Removing the sync up with Rapid Start driver and BIOS +// variable as default. +// 2. Remove our BIOS workaround. +// [Files] RapidStartWrapperSmm.sdl, RapidStartWrapperSmm.h, +// RapidStartWrapperSmm.sdl, RapidStartWrapperAcpiTables.sdl, +// RapidStartWrapper.sdl +// +// 1 12/27/12 2:23a Bensonlai +// [TAG] EIP110680 +// [Category] New Feature +// [Description] When iRST application is run under OS, and change +// timer. +// BIOS should update the changed to Setup option as well. +// [Files] Board\EM\RapidStartWrapper\Smm\RapidStartWrapperSmm.c +// Board\EM\RapidStartWrapper\Smm\RapidStartWrapperSmm.h +// Board\EM\RapidStartWrapper\Smm\RapidStartWrapperSmm.mak +// Board\EM\RapidStartWrapper\Smm\RapidStartWrapperSmm.dxs +// Board\EM\RapidStartWrapper\Smm\RapidStartWrapperSmm.sdl +// Board\EM\RapidStartWrapper\Smm\RapidStartWrapperSmm.cif +// Board\EM\RapidStartWrapper\AcpiTables\RapidStartWrapperAcpiTables.cif +// Board\EM\RapidStartWrapper\AcpiTables\RapidStartWrapperAcpiTables.sdl +// Board\EM\RapidStartWrapper\AcpiTables\Ssdt\RapidStartWrapper.asl +// Board\EM\RapidStartWrapper\RapidStartSetup\RapidStartSetup.sd +// +//********************************************************************** +//<AMI_FHDR_START> +// +// Name: RapidStartWrapperSmm.c +// +// Description: Sw SMI for RapidStart Wrapper +// +//<AMI_FHDR_END> +//********************************************************************** + +#include "RapidStartWrapperSmm.h" + +VOID* InternalGetSmstConfigurationTable(IN EFI_GUID *TableGuid) { + EFI_CONFIGURATION_TABLE *Table; + UINTN i; + EFI_STATUS Status; + + if (mSmmBase == NULL) { + Status = gBS->LocateProtocol (&gEfiSmmBaseProtocolGuid, NULL, &mSmmBase); + if (EFI_ERROR(Status) || mSmmBase == NULL)return NULL; + } + + if (mSmst == NULL ) { + if (mSmmBase!=NULL) { + Status = mSmmBase->GetSmstLocation (mSmmBase, &mSmst); + if (EFI_ERROR(Status) || mSmst == NULL)return NULL; + } + } + + if (mSmst != NULL) { + Table = mSmst->SmmConfigurationTable; + i = mSmst->NumberOfTableEntries; + + for (; i; --i,++Table) + { + if (CompareGuid(&Table->VendorGuid,TableGuid)) + return Table->VendorTable; + } + } + return NULL; +} + +VOID +RapidStartSyncVariable ( + VOID +) +{ + EFI_STATUS Status; + RAPID_START_WRAPPER_SMM_DATA RapidStartWrapperSmmData; + RapidStartWrapperSmmData.S3WakeTimerMin = mRapidStartGlobalNvs->WakeTimerMin; + + if ( (mRapidStartGlobalNvs->EventsEnabled & RAPID_START_ACPI_RTC_WAKE) != 0) { + RapidStartWrapperSmmData.EntryOnS3RtcWake = 1; + } else { + RapidStartWrapperSmmData.EntryOnS3RtcWake = 0; + } + + if ( (mRapidStartGlobalNvs->EventsEnabled & RAPID_START_ACPI_BATT_WAKE) != 0) { + RapidStartWrapperSmmData.EntryOnS3CritBattWake = 1; + } else { + RapidStartWrapperSmmData.EntryOnS3CritBattWake = 0; + } + + Status = mySMMgRT->SetVariable( L"RstWrapVar", \ + &RapidStartWrapperSmmDataGuid, \ + EFI_VARIABLE_NON_VOLATILE | \ + EFI_VARIABLE_BOOTSERVICE_ACCESS | \ + EFI_VARIABLE_RUNTIME_ACCESS, \ + sizeof (RAPID_START_WRAPPER_SMM_DATA), \ + &RapidStartWrapperSmmData + ); + + if ( EFI_ERROR(Status) ) { + return; + } + + return; +} + +VOID +RapidStartWrapperSwSmiCallback ( + IN EFI_HANDLE DispatchHandle, + IN EFI_SMM_SW_DISPATCH_CONTEXT *DispatchContext +) +{ + UINT8 WrapperFunctionIndex; + + WrapperFunctionIndex = IoRead8(SW_SMI_IO_DATA_ADDRESS); // Get Wrapper Function Index + IoWrite8(SW_SMI_IO_DATA_ADDRESS, 0x00); // Clear data + + switch ( WrapperFunctionIndex ) { + case AMI_RAPID_START_SYNC_VARIABLE_FUNCTION: + RapidStartSyncVariable(); + break; + + default : + break; + } + + return; +} + +EFI_STATUS +RapidStartWrapperSmmEntryPoint ( + IN EFI_HANDLE ImageHandle, + IN EFI_SYSTEM_TABLE *SystemTable +) +{ + RAPID_START_GLOBAL_NVS_AREA_PROTOCOL *RapidStartGlobalNvsAreaProtocol; + EFI_SMM_SW_DISPATCH_PROTOCOL *SwDispatch; + EFI_SMM_SW_DISPATCH_CONTEXT SwContext; + EFI_HANDLE DispatchHandle; + EFI_STATUS Status; + VOID *ptrRs; + + ptrRs = InternalGetSmstConfigurationTable(&SmmRtServTableGuid); + if (ptrRs!=NULL) mySMMgRT = ptrRs; + + DEBUG ((EFI_D_INFO, "RapidStartWrapperSmmEntryPoint()\n")); + + Status = gBS->LocateProtocol ( + &gRapidStartGlobalNvsAreaProtocolGuid, + NULL, + (VOID **) &RapidStartGlobalNvsAreaProtocol + ); + + if ( EFI_ERROR (Status) ) { + DEBUG ((EFI_D_INFO, "No RapidStart info protocol available\n")); + return Status; + } + + mRapidStartGlobalNvs = RapidStartGlobalNvsAreaProtocol->Area; + DEBUG ((EFI_D_INFO, "RapidStartGlobalNvs: %x\n", mRapidStartGlobalNvs)); + + /// + /// Locate the SMM SW dispatch protocol + /// + Status = gBS->LocateProtocol (&gEfiSmmSwDispatchProtocolGuid, NULL, &SwDispatch); + if ( EFI_ERROR (Status) ) { + return Status; + } + + /// + /// Register SWSMI handler + /// + DEBUG ((EFI_D_INFO, "Register SW_SMI_RAPID_START_WRAPPER: %x\n", SW_SMI_RAPID_START_WRAPPER)); + SwContext.SwSmiInputValue = SW_SMI_RAPID_START_WRAPPER; + Status = SwDispatch->Register ( + SwDispatch, + RapidStartWrapperSwSmiCallback, + &SwContext, + &DispatchHandle + ); + if ( EFI_ERROR (Status) ) { + return Status; + } + + return EFI_SUCCESS; +} + +//********************************************************************** +//********************************************************************** +//** ** +//** (C)Copyright 1985-2012, American Megatrends, Inc. ** +//** ** +//** All Rights Reserved. ** +//** ** +//** 5555 Oakbrook Parkway, Suite 200, Norcross, GA 30093 ** +//** ** +//** Phone: (770)-246-8600 ** +//** ** +//********************************************************************** +//********************************************************************** |