diff options
Diffstat (limited to 'Core/EM/SMBIOS/SmbiosPeim/SmbiosPei.c')
| -rw-r--r-- | Core/EM/SMBIOS/SmbiosPeim/SmbiosPei.c | 201 |
1 files changed, 201 insertions, 0 deletions
diff --git a/Core/EM/SMBIOS/SmbiosPeim/SmbiosPei.c b/Core/EM/SMBIOS/SmbiosPeim/SmbiosPei.c new file mode 100644 index 0000000..e5869b0 --- /dev/null +++ b/Core/EM/SMBIOS/SmbiosPeim/SmbiosPei.c @@ -0,0 +1,201 @@ +//********************************************************************** +//********************************************************************** +//** ** +//** (C)Copyright 1985-2014, American Megatrends, Inc. ** +//** ** +//** All Rights Reserved. ** +//** ** +//** 5555 Oakbrook Parkway, Suite 200, Norcross, GA 30093 ** +//** ** +//** Phone: (770)-246-8600 ** +//** ** +//********************************************************************** +//********************************************************************** + +//********************************************************************** +// $Header: /Alaska/SOURCE/Modules/SMBIOS/SmbiosPeim/SmbiosPei.c 1 5/27/14 1:44p Davidd $ +// +// $Revision: 1 $ +// +// $Date: 5/27/14 1:44p $ +//********************************************************************** +// Revision History +// ---------------- +// $Log: /Alaska/SOURCE/Modules/SMBIOS/SmbiosPeim/SmbiosPei.c $ +// +// 1 5/27/14 1:44p Davidd +// [TAG] EIP103526 +// [Category] Improvement +// [Files] SmbiosPeim.cif +// SmbiosPeim.sdl +// SmbiosPeim.mak +// SmbiosPeim.dxs +// SmbiosPei.c +// +// 1 4/29/14 4:44p Davidd +// [TAG] EIP103526 +// [Category] Improvement +// [Description] We should update Wake-up Type in SMBIOS type 1 +// dynamically +// [Files] Core\EM\SMBios\SmbiosPeim\SmbiosPeim.cif +// Core\EM\SMBios\SmbiosPeim\SmbiosPeim.sdl +// Core\EM\SMBios\SmbiosPeim\SmbiosPeim.mak +// Core\EM\SMBios\SmbiosPeim\SmbiosPeim.dxs +// Core\EM\SMBios\SmbiosPeim\SmbiosPei.c +// +//********************************************************************** +//<AMI_FHDR_START> +// +// Name: SmbiosPei.c +// +// Description: +// +//<AMI_FHDR_END> +//********************************************************************** + +#include <AmiPeiLib.h> +#include <Ppi\ReadOnlyVariable2.h> +#include "Core\Ppi\MemoryDiscovered.h" + +extern VOID OemRuntimeShadowRamWrite(IN BOOLEAN Enable); +extern UINT8 getWakeupTypeForSmbios(VOID); + +EFI_STATUS +SmbiosAfterInitMemory( + IN EFI_PEI_SERVICES **PeiServices, + IN EFI_PEI_NOTIFY_DESCRIPTOR *NotifyDescriptor, + IN VOID *NullPpi +); + +static EFI_GUID gPeiPermanentMemInstalledPpiGuid = PEI_PERMANENT_MEMORY_INSTALLED_PPI_GUID; + +static EFI_PEI_NOTIFY_DESCRIPTOR SmbiosPeiNotify[] = +{ + { + EFI_PEI_PPI_DESCRIPTOR_NOTIFY_CALLBACK | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST, + &gPeiPermanentMemInstalledPpiGuid, + SmbiosAfterInitMemory + } +}; + +//<AMI_PHDR_START> +//---------------------------------------------------------------------------- +// Procedure: UpdateSmbiosWakeupType +// +// Description: Detect and update SMBIOS Type 1 structure "Wake-up Type" +// data field +// +// Input:IN EFI_PEI_SERVICES **PeiServices, +// +// Output: Updated SMBIOS Type 1 "Wake-up Type" +// +// Notes: +// +//---------------------------------------------------------------------------- +//<AMI_PHDR_END> +VOID +UpdateSmbiosWakeupType( + IN EFI_PEI_SERVICES **PeiServices +) +{ + EFI_STATUS Status; + EFI_PEI_READ_ONLY_VARIABLE2_PPI *ReadOnlyVariable; + EFI_GUID EfiPeiReadOnlyVariablePpiGuid = \ + {0x2ab86ef5, 0xecb5, 0x4134, {0xb5, 0x56, 0x38, 0x54, 0xca, 0x1f, 0xe1, 0xb4}}; + EFI_GUID EfiSmbiosNvramGuid = \ + {0x4b3082a3, 0x80c6, 0x4d7e, {0x9c, 0xd0, 0x58, 0x39, 0x17, 0x26, 0x5d, 0xf1}}; + UINTN DataSize = 4; + UINT32 WakeupTypePtr; + + Status = (*PeiServices)->LocatePpi( + PeiServices, + &EfiPeiReadOnlyVariablePpiGuid, + 0, + NULL, + &ReadOnlyVariable); + ASSERT_PEI_ERROR(PeiServices, Status); + + if (Status == EFI_SUCCESS){ + Status = ReadOnlyVariable->GetVariable( + ReadOnlyVariable, + L"WakeUpType", + &EfiSmbiosNvramGuid, + NULL, + &DataSize, + &WakeupTypePtr); + if (Status == EFI_SUCCESS) { + if (WakeupTypePtr > 0xf0000) { + *(UINT8*)WakeupTypePtr = getWakeupTypeForSmbios(); + } + else { + OemRuntimeShadowRamWrite(TRUE); + *(UINT8*)WakeupTypePtr = getWakeupTypeForSmbios(); + OemRuntimeShadowRamWrite(FALSE); + } + } + } +} + +//<AMI_PHDR_START> +//---------------------------------------------------------------------------- +// Procedure: SmbiosAfterInitMemory +// +// Description: +// +// Input: IN EFI_PEI_SERVICES **PeiServices, +// IN EFI_PEI_NOTIFY_DESCRIPTOR *NotifyDescriptor, +// IN VOID *NullPpi +// +// Output: +// +//---------------------------------------------------------------------------- +//<AMI_PHDR_END> +EFI_STATUS +SmbiosAfterInitMemory( + IN EFI_PEI_SERVICES **PeiServices, + IN EFI_PEI_NOTIFY_DESCRIPTOR *NotifyDescriptor, + IN VOID *NullPpi +) +{ + EFI_STATUS Status; + EFI_BOOT_MODE BootMode; + + // Determine boot mode + Status = (*PeiServices)->GetBootMode(PeiServices, &BootMode); + ASSERT_PEI_ERROR(PeiServices, Status); + + if (BootMode == BOOT_ON_S3_RESUME) { + UpdateSmbiosWakeupType(PeiServices); + } + + return EFI_SUCCESS; +} + +EFI_STATUS +SmbiosPeiEntryPoint( + IN EFI_FFS_FILE_HEADER *FfsHeader, + IN EFI_PEI_SERVICES **PeiServices +) +{ + EFI_STATUS Status; + + // Set the Smbios Notify PPI + Status = (*PeiServices)->NotifyPpi(PeiServices, SmbiosPeiNotify); + ASSERT_PEI_ERROR(PeiServices, Status); + + return EFI_SUCCESS; +} + +//********************************************************************** +//********************************************************************** +//** ** +//** (C)Copyright 1985-2014, American Megatrends, Inc. ** +//** ** +//** All Rights Reserved. ** +//** ** +//** 5555 Oakbrook Parkway, Suite 200, Norcross, GA 30093 ** +//** ** +//** Phone: (770)-246-8600 ** +//** ** +//********************************************************************** +//**********************************************************************
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