diff options
Diffstat (limited to 'IntelFsp2WrapperPkg/Library/SecFspWrapperPlatformSecLibSample/FspWrapperPlatformSecLibSample.c')
| -rw-r--r-- | IntelFsp2WrapperPkg/Library/SecFspWrapperPlatformSecLibSample/FspWrapperPlatformSecLibSample.c | 133 |
1 files changed, 133 insertions, 0 deletions
diff --git a/IntelFsp2WrapperPkg/Library/SecFspWrapperPlatformSecLibSample/FspWrapperPlatformSecLibSample.c b/IntelFsp2WrapperPkg/Library/SecFspWrapperPlatformSecLibSample/FspWrapperPlatformSecLibSample.c new file mode 100644 index 0000000000..19379c20c6 --- /dev/null +++ b/IntelFsp2WrapperPkg/Library/SecFspWrapperPlatformSecLibSample/FspWrapperPlatformSecLibSample.c @@ -0,0 +1,133 @@ +/** @file
+ Sample to provide FSP wrapper platform sec related function.
+
+ Copyright (c) 2014 - 2016, Intel Corporation. All rights reserved.<BR>
+ This program and the accompanying materials
+ are licensed and made available under the terms and conditions of the BSD License
+ which accompanies this distribution. The full text of the license may be found at
+ http://opensource.org/licenses/bsd-license.php.
+
+ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+
+#include <PiPei.h>
+
+#include <Ppi/SecPlatformInformation.h>
+#include <Ppi/SecPerformance.h>
+
+#include <Library/LocalApicLib.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;
+}
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