diff options
Diffstat (limited to 'Chipset/SB/PchWrap/PchSpiWrap/PchSpiWrap.c')
| -rw-r--r-- | Chipset/SB/PchWrap/PchSpiWrap/PchSpiWrap.c | 174 |
1 files changed, 174 insertions, 0 deletions
diff --git a/Chipset/SB/PchWrap/PchSpiWrap/PchSpiWrap.c b/Chipset/SB/PchWrap/PchSpiWrap/PchSpiWrap.c new file mode 100644 index 0000000..237366a --- /dev/null +++ b/Chipset/SB/PchWrap/PchSpiWrap/PchSpiWrap.c @@ -0,0 +1,174 @@ +//************************************************************************* +//************************************************************************* +//** ** +//** (C)Copyright 1985-2011, American Megatrends, Inc. ** +//** ** +//** All Rights Reserved. ** +//** ** +//** 5555 Oakbrook Parkway, Suite 200, Norcross, GA 30093 ** +//** ** +//** Phone: (770)-246-8600 ** +//** ** +//************************************************************************* +//************************************************************************* + +//************************************************************************* +// $Header: /Alaska/BIN/Chipset/Intel/SouthBridge/LynxPoint/Intel Pch SB Chipset/PchWrap/PchSpiWrap/PchSpiWrap.c 2 11/17/14 7:31a Mirayang $ +// +// $Revision: 2 $ +// +// $Date: 11/17/14 7:31a $ +//************************************************************************* +// Revision History +// ---------------- +// $Log: /Alaska/BIN/Chipset/Intel/SouthBridge/LynxPoint/Intel Pch SB Chipset/PchWrap/PchSpiWrap/PchSpiWrap.c $ +// +// 2 11/17/14 7:31a Mirayang +// [TAG] EIP191661 +// [Category] Improvement +// [Description] SUT can't generate UEFI SCT2.3.1 report completely. +// +// 1 2/08/12 8:33a Yurenlai +// Intel Lynx Point/SB eChipset initially releases. +// +//************************************************************************* +//---------------------------------------------------------------------- +// Includes +#include <AmiDxeLib.h> +#include <Protocol\LoadPe32Image.h> +#include "token.h" + + +static EFI_GUID gDxeSvcTblGuid = DXE_SERVICES_TABLE_GUID; +EFI_GUID gPchSpiRuntimeFFsGuid = \ + {0xC194C6EA,0xB68C,0x4981,0xB6,0x4B,0x9B,0xD2,0x71,0x47,0x4B,0x20}; + +EFI_STATUS +FFsLoaderToRuntime( + IN EFI_HANDLE ImageHandle +); + +//<AMI_PHDR_START> +//---------------------------------------------------------------------------- +// +// Procedure: PchSpiWrapEntry +// +// Description: This function load PchSpi and execute it. +// +// Input: ImageHandle Image handle of this driver. +// SystemTable Global system service table. +// +// Output: EFI_SUCCESS Load and execute complete. +// EFI_UNSUPPORTED Image type is unsupported by this driver. +// EFI_OUT_OF_RESOURCES Do not have enough resources to initialize the driver. +// +//---------------------------------------------------------------------------- +//<AMI_PHDR_END> +EFI_STATUS +PchSpiWrapEntry( + IN EFI_HANDLE ImageHandle, + IN EFI_SYSTEM_TABLE *SystemTable + ) +{ + EFI_STATUS Status; + + InitAmiLib(ImageHandle, SystemTable); + + Status = FFsLoaderToRuntime( ImageHandle); + ASSERT_EFI_ERROR (Status); + + return Status; +} + + +//<AMI_PHDR_START> +//---------------------------------------------------------------------------- +// +// Procedure: FFsLoaderToRuntime +// +// Description: Load FFs to Runtime. +// +// Input: ImageHandle Image handle of this driver. +// +// Output: EFI_SUCCESS FFs Load to Runtime complete. +// +//---------------------------------------------------------------------------- +//<AMI_PHDR_END> +EFI_STATUS +FFsLoaderToRuntime( + IN EFI_HANDLE ImageHandle +){ + EFI_STATUS Status; + EFI_PHYSICAL_ADDRESS Dst; + EFI_PHYSICAL_ADDRESS EntryPoint; + EFI_PE32_IMAGE_PROTOCOL *LoadPeImageEx; + VOID *Buffer; + UINTN BufferSize; + UINT32 AuthenticationStatus; + UINTN Pages; + EFI_HANDLE FFsImageHandle; + EFI_DEVICE_PATH_PROTOCOL EndOfDp = { 0x7F, 0xFF, 0x4 , 0x0 }; + + Buffer = 0; + + Status = FvReadPe32Image ( + &gPchSpiRuntimeFFsGuid, + &Buffer, + &BufferSize, + &AuthenticationStatus + ); + + if (EFI_ERROR (Status)) { + return Status; + } + + Pages = EFI_SIZE_TO_PAGES (BufferSize) + 2; + Status = pBS->AllocatePages ( + AllocateAnyPages, + EfiRuntimeServicesCode, + Pages, + &Dst + ); + + Status = pBS->LocateProtocol (&gEfiLoadPeImageGuid, NULL, &LoadPeImageEx); + if (EFI_ERROR (Status)) { + pBS->FreePool (&Dst); + return Status; + } + + Status = LoadPeImageEx->LoadPeImage( + LoadPeImageEx, + ImageHandle, +// NULL, + &EndOfDp, + Buffer, + BufferSize, + Dst, + &Pages, + &FFsImageHandle, + &EntryPoint, + EFI_LOAD_PE_IMAGE_ATTRIBUTE_NONE + ); + if (EFI_ERROR (Status)) { + pBS->FreePool (&Dst); + return Status; + } + + Status = pBS->StartImage(FFsImageHandle, NULL, NULL); + pBS->FreePool(Buffer); + + return Status; +} +//************************************************************************* +//************************************************************************* +//** ** +//** (C)Copyright 1985-2011, American Megatrends, Inc. ** +//** ** +//** All Rights Reserved. ** +//** ** +//** 5555 Oakbrook Parkway, Suite 200, Norcross, GA 30093 ** +//** ** +//** Phone: (770)-246-8600 ** +//** ** +//************************************************************************* +//************************************************************************* |