/** @file | |
Sample to provide FSP wrapper platform sec related function. | |
Copyright (c) 2014 - 2016, Intel Corporation. All rights reserved.<BR> | |
SPDX-License-Identifier: BSD-2-Clause-Patent | |
**/ | |
#include <PiPei.h> | |
#include <Ppi/SecPlatformInformation.h> | |
#include <Ppi/SecPerformance.h> | |
#include <Library/LocalApicLib.h> | |
#include <Library/DebugLib.h> | |
#include <Library/BaseMemoryLib.h> | |
/** | |
This interface conveys state information out of the Security (SEC) phase into PEI. | |
@param[in] PeiServices Pointer to the PEI Services Table. | |
@param[in,out] StructureSize Pointer to the variable describing size of the input buffer. | |
@param[out] PlatformInformationRecord Pointer to the EFI_SEC_PLATFORM_INFORMATION_RECORD. | |
@retval EFI_SUCCESS The data was successfully returned. | |
@retval EFI_BUFFER_TOO_SMALL The buffer was too small. | |
**/ | |
EFI_STATUS | |
EFIAPI | |
SecPlatformInformation ( | |
IN CONST EFI_PEI_SERVICES **PeiServices, | |
IN OUT UINT64 *StructureSize, | |
OUT EFI_SEC_PLATFORM_INFORMATION_RECORD *PlatformInformationRecord | |
); | |
/** | |
This interface conveys performance information out of the Security (SEC) phase into PEI. | |
This service is published by the SEC phase. The SEC phase handoff has an optional | |
EFI_PEI_PPI_DESCRIPTOR list as its final argument when control is passed from SEC into the | |
PEI Foundation. As such, if the platform supports collecting performance data in SEC, | |
this information is encapsulated into the data structure abstracted by this service. | |
This information is collected for the boot-strap processor (BSP) on IA-32. | |
@param[in] PeiServices The pointer to the PEI Services Table. | |
@param[in] This The pointer to this instance of the PEI_SEC_PERFORMANCE_PPI. | |
@param[out] Performance The pointer to performance data collected in SEC phase. | |
@retval EFI_SUCCESS The data was successfully returned. | |
**/ | |
EFI_STATUS | |
EFIAPI | |
SecGetPerformance ( | |
IN CONST EFI_PEI_SERVICES **PeiServices, | |
IN PEI_SEC_PERFORMANCE_PPI *This, | |
OUT FIRMWARE_SEC_PERFORMANCE *Performance | |
); | |
PEI_SEC_PERFORMANCE_PPI mSecPerformancePpi = { | |
SecGetPerformance | |
}; | |
EFI_PEI_PPI_DESCRIPTOR mPeiSecPlatformPpi[] = { | |
{ | |
EFI_PEI_PPI_DESCRIPTOR_PPI, | |
&gTopOfTemporaryRamPpiGuid, | |
NULL // To be patched later. | |
}, | |
{ | |
EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST, | |
&gPeiSecPerformancePpiGuid, | |
&mSecPerformancePpi | |
}, | |
}; | |
/** | |
A developer supplied function to perform platform specific operations. | |
It's a developer supplied function to perform any operations appropriate to a | |
given platform. It's invoked just before passing control to PEI core by SEC | |
core. Platform developer may modify the SecCoreData passed to PEI Core. | |
It returns a platform specific PPI list that platform wishes to pass to PEI core. | |
The Generic SEC core module will merge this list to join the final list passed to | |
PEI core. | |
@param[in,out] SecCoreData The same parameter as passing to PEI core. It | |
could be overridden by this function. | |
@return The platform specific PPI list to be passed to PEI core or | |
NULL if there is no need of such platform specific PPI list. | |
**/ | |
EFI_PEI_PPI_DESCRIPTOR * | |
EFIAPI | |
SecPlatformMain ( | |
IN OUT EFI_SEC_PEI_HAND_OFF *SecCoreData | |
) | |
{ | |
EFI_PEI_PPI_DESCRIPTOR *PpiList; | |
DEBUG ((DEBUG_INFO, "SecPlatformMain\n")); | |
DEBUG ((DEBUG_INFO, "BootFirmwareVolumeBase - 0x%x\n", SecCoreData->BootFirmwareVolumeBase)); | |
DEBUG ((DEBUG_INFO, "BootFirmwareVolumeSize - 0x%x\n", SecCoreData->BootFirmwareVolumeSize)); | |
DEBUG ((DEBUG_INFO, "TemporaryRamBase - 0x%x\n", SecCoreData->TemporaryRamBase)); | |
DEBUG ((DEBUG_INFO, "TemporaryRamSize - 0x%x\n", SecCoreData->TemporaryRamSize)); | |
DEBUG ((DEBUG_INFO, "PeiTemporaryRamBase - 0x%x\n", SecCoreData->PeiTemporaryRamBase)); | |
DEBUG ((DEBUG_INFO, "PeiTemporaryRamSize - 0x%x\n", SecCoreData->PeiTemporaryRamSize)); | |
DEBUG ((DEBUG_INFO, "StackBase - 0x%x\n", SecCoreData->StackBase)); | |
DEBUG ((DEBUG_INFO, "StackSize - 0x%x\n", SecCoreData->StackSize)); | |
InitializeApicTimer (0, (UINT32)-1, TRUE, 5); | |
// | |
// Use middle of Heap as temp buffer, it will be copied by caller. | |
// Do not use Stack, because it will cause wrong calculation on stack by PeiCore | |
// | |
PpiList = (VOID *)((UINTN)SecCoreData->PeiTemporaryRamBase + (UINTN)SecCoreData->PeiTemporaryRamSize/2); | |
CopyMem (PpiList, mPeiSecPlatformPpi, sizeof (mPeiSecPlatformPpi)); | |
// | |
// Patch TopOfTemporaryRamPpi | |
// | |
PpiList[0].Ppi = (VOID *)((UINTN)SecCoreData->TemporaryRamBase + SecCoreData->TemporaryRamSize); | |
return PpiList; | |
} |