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system76-edk2/IntelFsp2WrapperPkg/FspmWrapperPeim/FspmWrapperPeim.c
Chasel Chiu 96f3efbd99 IntelFsp2WrapperPkg: Implement FSP 2.4 MultiPhase wrapper handlers. 
REF: https://bugzilla.tianocore.org/show_bug.cgi?id=3916

Implement MultiPhase wrapper handlers and only call to MultiPhase
handlers when FSP supports.

Cc: Nate DeSimone <nathaniel.l.desimone@intel.com>
Cc: Star Zeng <star.zeng@intel.com>
Signed-off-by: Chasel Chiu <chasel.chiu@intel.com>
Reviewed-by: Nate DeSimone <nathaniel.l.desimone@intel.com>
2022-09-26 20:22:44 +00:00

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/** @file
This will be invoked only once. It will call FspMemoryInit API,
register TemporaryRamDonePpi to call TempRamExit API, and register MemoryDiscoveredPpi
notify to call FspSiliconInit API.
Copyright (c) 2014 - 2022, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#include <PiPei.h>
#include <Library/PeimEntryPoint.h>
#include <Library/PeiServicesLib.h>
#include <Library/PeiServicesTablePointerLib.h>
#include <Library/BaseLib.h>
#include <Library/DebugLib.h>
#include <Library/BaseMemoryLib.h>
#include <Library/MemoryAllocationLib.h>
#include <Library/HobLib.h>
#include <Library/PcdLib.h>
#include <Library/TimerLib.h>
#include <Library/PerformanceLib.h>
#include <Library/FspWrapperPlatformLib.h>
#include <Library/FspWrapperHobProcessLib.h>
#include <Library/FspWrapperMultiPhaseProcessLib.h>
#include <Library/FspWrapperApiLib.h>
#include <Library/FspMeasurementLib.h>
#include <Ppi/FspSiliconInitDone.h>
#include <Ppi/EndOfPeiPhase.h>
#include <Ppi/MemoryDiscovered.h>
#include <Ppi/SecPlatformInformation.h>
#include <Ppi/Tcg.h>
#include <Ppi/FirmwareVolumeInfoMeasurementExcluded.h>
#include <Library/FspWrapperApiTestLib.h>
#include <FspEas.h>
#include <FspStatusCode.h>
#include <FspGlobalData.h>
#include <Library/FspCommonLib.h>
extern EFI_GUID gFspHobGuid;
/**
Get the FSP M UPD Data address
@return FSP-M UPD Data Address
**/
UINTN
GetFspmUpdDataAddress (
VOID
)
{
if (PcdGet64 (PcdFspmUpdDataAddress64) != 0) {
return (UINTN)PcdGet64 (PcdFspmUpdDataAddress64);
} else {
return (UINTN)PcdGet32 (PcdFspmUpdDataAddress);
}
}
/**
Call FspMemoryInit API.
@return Status returned by FspMemoryInit API.
**/
EFI_STATUS
PeiFspMemoryInit (
VOID
)
{
FSP_INFO_HEADER *FspmHeaderPtr;
EFI_STATUS Status;
UINT64 TimeStampCounterStart;
VOID *FspHobListPtr;
VOID *HobData;
VOID *FspmUpdDataPtr;
UINTN *SourceData;
DEBUG ((DEBUG_INFO, "PeiFspMemoryInit enter\n"));
FspHobListPtr = NULL;
FspmUpdDataPtr = NULL;
FspmHeaderPtr = (FSP_INFO_HEADER *)FspFindFspHeader (PcdGet32 (PcdFspmBaseAddress));
DEBUG ((DEBUG_INFO, "FspmHeaderPtr - 0x%x\n", FspmHeaderPtr));
if (FspmHeaderPtr == NULL) {
return EFI_DEVICE_ERROR;
}
if ((GetFspmUpdDataAddress () == 0) && (FspmHeaderPtr->CfgRegionSize != 0) && (FspmHeaderPtr->CfgRegionOffset != 0)) {
//
// Copy default FSP-M UPD data from Flash
//
FspmUpdDataPtr = AllocateZeroPool ((UINTN)FspmHeaderPtr->CfgRegionSize);
ASSERT (FspmUpdDataPtr != NULL);
SourceData = (UINTN *)((UINTN)FspmHeaderPtr->ImageBase + (UINTN)FspmHeaderPtr->CfgRegionOffset);
CopyMem (FspmUpdDataPtr, SourceData, (UINTN)FspmHeaderPtr->CfgRegionSize);
} else {
//
// External UPD is ready, get the buffer from PCD pointer.
//
FspmUpdDataPtr = (VOID *)GetFspmUpdDataAddress ();
ASSERT (FspmUpdDataPtr != NULL);
}
DEBUG ((DEBUG_INFO, "UpdateFspmUpdData enter\n"));
UpdateFspmUpdData (FspmUpdDataPtr);
if (((FSPM_UPD_COMMON *)FspmUpdDataPtr)->FspmArchUpd.Revision >= 3) {
DEBUG ((DEBUG_INFO, " StackBase - 0x%lx\n", ((FSPM_UPD_COMMON_FSP24 *)FspmUpdDataPtr)->FspmArchUpd.StackBase));
DEBUG ((DEBUG_INFO, " StackSize - 0x%lx\n", ((FSPM_UPD_COMMON_FSP24 *)FspmUpdDataPtr)->FspmArchUpd.StackSize));
DEBUG ((DEBUG_INFO, " BootLoaderTolumSize - 0x%x\n", ((FSPM_UPD_COMMON_FSP24 *)FspmUpdDataPtr)->FspmArchUpd.BootLoaderTolumSize));
DEBUG ((DEBUG_INFO, " BootMode - 0x%x\n", ((FSPM_UPD_COMMON_FSP24 *)FspmUpdDataPtr)->FspmArchUpd.BootMode));
} else {
DEBUG ((DEBUG_INFO, " NvsBufferPtr - 0x%x\n", ((FSPM_UPD_COMMON *)FspmUpdDataPtr)->FspmArchUpd.NvsBufferPtr));
DEBUG ((DEBUG_INFO, " StackBase - 0x%x\n", ((FSPM_UPD_COMMON *)FspmUpdDataPtr)->FspmArchUpd.StackBase));
DEBUG ((DEBUG_INFO, " StackSize - 0x%x\n", ((FSPM_UPD_COMMON *)FspmUpdDataPtr)->FspmArchUpd.StackSize));
DEBUG ((DEBUG_INFO, " BootLoaderTolumSize - 0x%x\n", ((FSPM_UPD_COMMON *)FspmUpdDataPtr)->FspmArchUpd.BootLoaderTolumSize));
DEBUG ((DEBUG_INFO, " BootMode - 0x%x\n", ((FSPM_UPD_COMMON *)FspmUpdDataPtr)->FspmArchUpd.BootMode));
}
DEBUG ((DEBUG_INFO, " HobListPtr - 0x%x\n", &FspHobListPtr));
TimeStampCounterStart = AsmReadTsc ();
Status = CallFspMemoryInit (FspmUpdDataPtr, &FspHobListPtr);
//
// Reset the system if FSP API returned FSP_STATUS_RESET_REQUIRED status
//
if ((Status >= FSP_STATUS_RESET_REQUIRED_COLD) && (Status <= FSP_STATUS_RESET_REQUIRED_8)) {
DEBUG ((DEBUG_INFO, "FspMemoryInitApi requested reset %r\n", Status));
CallFspWrapperResetSystem (Status);
}
if ((Status != FSP_STATUS_VARIABLE_REQUEST) && EFI_ERROR (Status)) {
DEBUG ((DEBUG_ERROR, "ERROR - Failed to execute FspMemoryInitApi(), Status = %r\n", Status));
ASSERT_EFI_ERROR (Status);
}
DEBUG ((DEBUG_INFO, "FspMemoryInit status: %r\n", Status));
if (Status == FSP_STATUS_VARIABLE_REQUEST) {
//
// call to Variable request handler
//
FspWrapperVariableRequestHandler (&FspHobListPtr, FspMultiPhaseMemInitApiIndex);
}
//
// See if MultiPhase process is required or not
//
FspWrapperMultiPhaseHandler (&FspHobListPtr, FspMultiPhaseMemInitApiIndex); // FspM MultiPhase
//
// Create hobs after memory initialization and not in temp RAM. Hence passing the recorded timestamp here
//
PERF_START_EX (&gFspApiPerformanceGuid, "EventRec", NULL, TimeStampCounterStart, FSP_STATUS_CODE_MEMORY_INIT | FSP_STATUS_CODE_COMMON_CODE | FSP_STATUS_CODE_API_ENTRY);
PERF_END_EX (&gFspApiPerformanceGuid, "EventRec", NULL, 0, FSP_STATUS_CODE_MEMORY_INIT | FSP_STATUS_CODE_COMMON_CODE | FSP_STATUS_CODE_API_EXIT);
DEBUG ((DEBUG_INFO, "Total time spent executing FspMemoryInitApi: %d millisecond\n", DivU64x32 (GetTimeInNanoSecond (AsmReadTsc () - TimeStampCounterStart), 1000000)));
Status = TestFspMemoryInitApiOutput (FspmUpdDataPtr, &FspHobListPtr);
if (EFI_ERROR (Status)) {
DEBUG ((DEBUG_ERROR, "ERROR - TestFspMemoryInitApiOutput () fail, Status = %r\n", Status));
}
DEBUG ((DEBUG_INFO, " FspHobListPtr (returned) - 0x%x\n", FspHobListPtr));
ASSERT (FspHobListPtr != NULL);
PostFspmHobProcess (FspHobListPtr);
//
// FspHobList is not complete at this moment.
// Save FspHobList pointer to hob, so that it can be got later
//
HobData = BuildGuidHob (
&gFspHobGuid,
sizeof (VOID *)
);
ASSERT (HobData != NULL);
CopyMem (HobData, &FspHobListPtr, sizeof (FspHobListPtr));
return Status;
}
/**
Do FSP initialization.
@return FSP initialization status.
**/
EFI_STATUS
EFIAPI
FspmWrapperInit (
VOID
)
{
EFI_STATUS Status;
EFI_PEI_FIRMWARE_VOLUME_INFO_MEASUREMENT_EXCLUDED_PPI *MeasurementExcludedFvPpi;
EFI_PEI_PPI_DESCRIPTOR *MeasurementExcludedPpiList;
MeasurementExcludedFvPpi = AllocatePool (sizeof (*MeasurementExcludedFvPpi));
ASSERT (MeasurementExcludedFvPpi != NULL);
MeasurementExcludedFvPpi->Count = 1;
MeasurementExcludedFvPpi->Fv[0].FvBase = PcdGet32 (PcdFspmBaseAddress);
MeasurementExcludedFvPpi->Fv[0].FvLength = ((EFI_FIRMWARE_VOLUME_HEADER *)(UINTN)PcdGet32 (PcdFspmBaseAddress))->FvLength;
MeasurementExcludedPpiList = AllocatePool (sizeof (*MeasurementExcludedPpiList));
ASSERT (MeasurementExcludedPpiList != NULL);
MeasurementExcludedPpiList->Flags = EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST;
MeasurementExcludedPpiList->Guid = &gEfiPeiFirmwareVolumeInfoMeasurementExcludedPpiGuid;
MeasurementExcludedPpiList->Ppi = MeasurementExcludedFvPpi;
Status = EFI_SUCCESS;
if (PcdGet8 (PcdFspModeSelection) == 1) {
Status = PeiFspMemoryInit ();
ASSERT_EFI_ERROR (Status);
} else {
Status = PeiServicesInstallPpi (MeasurementExcludedPpiList);
ASSERT_EFI_ERROR (Status);
PeiServicesInstallFvInfoPpi (
NULL,
(VOID *)(UINTN)PcdGet32 (PcdFspmBaseAddress),
(UINT32)((EFI_FIRMWARE_VOLUME_HEADER *)(UINTN)PcdGet32 (PcdFspmBaseAddress))->FvLength,
NULL,
NULL
);
}
return Status;
}
/**
This function is called after TCG installed PPI.
@param[in] PeiServices Pointer to PEI Services Table.
@param[in] NotifyDesc Pointer to the descriptor for the Notification event that
caused this function to execute.
@param[in] Ppi Pointer to the PPI data associated with this function.
@retval EFI_STATUS Always return EFI_SUCCESS
**/
EFI_STATUS
EFIAPI
TcgPpiNotify (
IN EFI_PEI_SERVICES **PeiServices,
IN EFI_PEI_NOTIFY_DESCRIPTOR *NotifyDesc,
IN VOID *Ppi
);
EFI_PEI_NOTIFY_DESCRIPTOR mTcgPpiNotifyDesc = {
(EFI_PEI_PPI_DESCRIPTOR_NOTIFY_CALLBACK | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),
&gEdkiiTcgPpiGuid,
TcgPpiNotify
};
/**
This function is called after TCG installed PPI.
@param[in] PeiServices Pointer to PEI Services Table.
@param[in] NotifyDesc Pointer to the descriptor for the Notification event that
caused this function to execute.
@param[in] Ppi Pointer to the PPI data associated with this function.
@retval EFI_STATUS Always return EFI_SUCCESS
**/
EFI_STATUS
EFIAPI
TcgPpiNotify (
IN EFI_PEI_SERVICES **PeiServices,
IN EFI_PEI_NOTIFY_DESCRIPTOR *NotifyDesc,
IN VOID *Ppi
)
{
UINT32 FspMeasureMask;
DEBUG ((DEBUG_INFO, "TcgPpiNotify FSPM\n"));
FspMeasureMask = PcdGet32 (PcdFspMeasurementConfig);
if ((FspMeasureMask & FSP_MEASURE_FSPT) != 0) {
MeasureFspFirmwareBlob (
0,
"FSPT",
PcdGet32 (PcdFsptBaseAddress),
(UINT32)((EFI_FIRMWARE_VOLUME_HEADER *)(UINTN)PcdGet32 (PcdFsptBaseAddress))->FvLength
);
}
if ((FspMeasureMask & FSP_MEASURE_FSPM) != 0) {
MeasureFspFirmwareBlob (
0,
"FSPM",
PcdGet32 (PcdFspmBaseAddress),
(UINT32)((EFI_FIRMWARE_VOLUME_HEADER *)(UINTN)PcdGet32 (PcdFspmBaseAddress))->FvLength
);
}
return EFI_SUCCESS;
}
/**
This is the entrypoint of PEIM
@param[in] FileHandle Handle of the file being invoked.
@param[in] PeiServices Describes the list of possible PEI Services.
@retval EFI_SUCCESS if it completed successfully.
**/
EFI_STATUS
EFIAPI
FspmWrapperPeimEntryPoint (
IN EFI_PEI_FILE_HANDLE FileHandle,
IN CONST EFI_PEI_SERVICES **PeiServices
)
{
EFI_STATUS Status;
DEBUG ((DEBUG_INFO, "FspmWrapperPeimEntryPoint\n"));
Status = PeiServicesNotifyPpi (&mTcgPpiNotifyDesc);
ASSERT_EFI_ERROR (Status);
FspmWrapperInit ();
return EFI_SUCCESS;
}
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