\r
#include <PeiMain.h>\r
\r
-STATIC\r
-VOID *\r
-TransferOldDataToNewDataRange (\r
- IN PEI_CORE_INSTANCE *PrivateData\r
- );\r
-\r
STATIC\r
VOID\r
InvokePeiCore (\r
VOID *Context2\r
);\r
\r
-EFI_STATUS\r
+\r
+VOID\r
+DiscoverPeimsAndOrderWithApriori (\r
+ IN PEI_CORE_INSTANCE *Private,\r
+ IN EFI_PEI_FV_HANDLE VolumeHandle\r
+ )\r
+/*++\r
+\r
+Routine Description:\r
+\r
+ Discover all Peims and optional Apriori file in one FV. There is at most one\r
+ Apriori file in one FV.\r
+\r
+Arguments:\r
+\r
+ Private - Pointer to the private data passed in from caller\r
+ VolumeHandle - Fv handle.\r
+Returns:\r
+\r
+ NONE\r
+\r
+--*/ \r
+{\r
+ EFI_STATUS Status;\r
+ EFI_PEI_FV_HANDLE FileHandle;\r
+ EFI_PEI_FV_HANDLE AprioriFileHandle;\r
+ EFI_GUID *Apriori;\r
+ UINTN Index;\r
+ UINTN Index2;\r
+ UINTN PeimIndex;\r
+ UINTN PeimCount;\r
+ EFI_GUID *Guid;\r
+ EFI_PEI_FV_HANDLE TempFileHandles[PEI_CORE_MAX_PEIM_PER_FV];\r
+ EFI_GUID FileGuid[PEI_CORE_MAX_PEIM_PER_FV];\r
+\r
+ //\r
+ // Walk the FV and find all the PEIMs and the Apriori file.\r
+ //\r
+ AprioriFileHandle = NULL;\r
+ Private->CurrentFvFileHandles[0] = NULL;\r
+ Guid = NULL;\r
+ FileHandle = NULL;\r
+\r
+ //\r
+ // If the current Fv has been scanned, directly get its cachable record.\r
+ //\r
+ if (Private->Fv[Private->CurrentPeimFvCount].ScanFv) {\r
+ CopyMem (Private->CurrentFvFileHandles, Private->Fv[Private->CurrentPeimFvCount].FvFileHandles, sizeof (Private->CurrentFvFileHandles));\r
+ return;\r
+ }\r
+\r
+ //\r
+ // Go ahead to scan this Fv, and cache FileHandles within it.\r
+ //\r
+ for (PeimCount = 0; PeimCount < PEI_CORE_MAX_PEIM_PER_FV; PeimCount++) {\r
+ Status = PeiFindFileEx (\r
+ VolumeHandle, \r
+ NULL, \r
+ PEI_CORE_INTERNAL_FFS_FILE_DISPATCH_TYPE, \r
+ &FileHandle,\r
+ &AprioriFileHandle\r
+ );\r
+ if (Status != EFI_SUCCESS) {\r
+ break;\r
+ }\r
+ \r
+ Private->CurrentFvFileHandles[PeimCount] = FileHandle;\r
+ }\r
+\r
+ Private->AprioriCount = 0; \r
+ if (AprioriFileHandle != NULL) {\r
+ //\r
+ // Read the Apriori file\r
+ //\r
+ Status = PeiServicesFfsFindSectionData (EFI_SECTION_RAW, &AprioriFileHandle, (VOID **) &Apriori);\r
+ if (!EFI_ERROR (Status)) {\r
+ //\r
+ // Calculate the number of PEIMs in the A Priori list\r
+ //\r
+ Private->AprioriCount = *(UINT32 *)(((EFI_FFS_FILE_HEADER *)AprioriFileHandle)->Size) & 0x00FFFFFF;\r
+ Private->AprioriCount -= sizeof (EFI_FFS_FILE_HEADER) - sizeof (EFI_COMMON_SECTION_HEADER); \r
+ Private->AprioriCount /= sizeof (EFI_GUID);\r
+ \r
+ SetMem (FileGuid, sizeof (FileGuid), 0);\r
+ for (Index = 0; Index < PeimCount; Index++) {\r
+ //\r
+ // Make an array of file name guids that matches the FileHandle array so we can convert\r
+ // quickly from file name to file handle\r
+ //\r
+ CopyMem (&FileGuid[Index], &((EFI_FFS_FILE_HEADER *)Private->CurrentFvFileHandles[Index])->Name,sizeof(EFI_GUID)); \r
+ }\r
+\r
+ //\r
+ // Walk through FileGuid array to find out who is invalid PEIM guid in Apriori file.\r
+ // Add avalible PEIMs in Apriori file into TempFileHandles array at first. \r
+ //\r
+ Index2 = 0;\r
+ for (Index = 0; Index2 < Private->AprioriCount; Index++) {\r
+ while (Index2 < Private->AprioriCount) {\r
+ Guid = ScanGuid (FileGuid, PeimCount * sizeof (EFI_GUID), &Apriori[Index2++]);\r
+ if (Guid != NULL) {\r
+ break;\r
+ }\r
+ }\r
+ if (Guid == NULL) {\r
+ break; \r
+ }\r
+ PeimIndex = ((UINTN)Guid - (UINTN)&FileGuid[0])/sizeof (EFI_GUID);\r
+ TempFileHandles[Index] = Private->CurrentFvFileHandles[PeimIndex];\r
+\r
+ //\r
+ // Since we have copied the file handle we can remove it from this list.\r
+ //\r
+ Private->CurrentFvFileHandles[PeimIndex] = NULL;\r
+ }\r
+\r
+ //\r
+ // Update valid Aprioricount\r
+ //\r
+ Private->AprioriCount = Index;\r
+ \r
+ //\r
+ // Add in any PEIMs not in the Apriori file\r
+ //\r
+ for (;Index < PeimCount; Index++) {\r
+ for (Index2 = 0; Index2 < PeimCount; Index2++) {\r
+ if (Private->CurrentFvFileHandles[Index2] != NULL) {\r
+ TempFileHandles[Index] = Private->CurrentFvFileHandles[Index2];\r
+ Private->CurrentFvFileHandles[Index2] = NULL;\r
+ break;\r
+ }\r
+ }\r
+ }\r
+ //\r
+ //Index the end of array contains re-range Pei moudle.\r
+ //\r
+ TempFileHandles[Index] = NULL;\r
+ \r
+ //\r
+ // Private->CurrentFvFileHandles is currently in PEIM in the FV order.\r
+ // We need to update it to start with files in the A Priori list and \r
+ // then the remaining files in PEIM order. \r
+ //\r
+ CopyMem (Private->CurrentFvFileHandles, TempFileHandles, sizeof (Private->CurrentFvFileHandles));\r
+ }\r
+ }\r
+ //\r
+ // Cache the current Fv File Handle. So that we don't have to scan the Fv again.\r
+ // Instead, we can retrieve the file handles within this Fv from cachable data.\r
+ //\r
+ Private->Fv[Private->CurrentPeimFvCount].ScanFv = TRUE;\r
+ CopyMem (Private->Fv[Private->CurrentPeimFvCount].FvFileHandles, Private->CurrentFvFileHandles, sizeof (Private->CurrentFvFileHandles));\r
+ \r
+}\r
+\r
+VOID\r
PeiDispatcher (\r
IN CONST EFI_SEC_PEI_HAND_OFF *SecCoreData,\r
- IN PEI_CORE_INSTANCE *PrivateData,\r
- IN PEI_CORE_DISPATCH_DATA *DispatchData\r
+ IN PEI_CORE_INSTANCE *Private\r
)\r
\r
/*++\r
\r
--*/\r
{\r
- EFI_STATUS Status;\r
- PEI_CORE_TEMP_POINTERS TempPtr;\r
- BOOLEAN NextFvFound;\r
- EFI_FIRMWARE_VOLUME_HEADER *NextFvAddress;\r
- EFI_FIRMWARE_VOLUME_HEADER *DefaultFvAddress;\r
- VOID *TopOfStack;\r
- PEI_CORE_PARAMETERS PeiCoreParameters;\r
-\r
- //\r
- // Debug data for uninstalled Peim list\r
- //\r
- EFI_GUID DebugFoundPeimList[32];\r
- EFI_DEVICE_HANDLE_EXTENDED_DATA ExtendedData;\r
-\r
- //\r
- // save the Current FV Address so that we will not process it again if FindFv returns it later\r
- //\r
- DefaultFvAddress = DispatchData->BootFvAddress;\r
+ EFI_STATUS Status;\r
+ UINT32 Index1;\r
+ UINT32 Index2;\r
+ EFI_PEI_SERVICES **PeiServices;\r
+ VOID *PrivateInMem;\r
+ EFI_PEI_FV_HANDLE VolumeHandle; \r
+ EFI_PEI_FILE_HANDLE PeiCoreFileHandle;\r
+ EFI_PEI_FILE_HANDLE PeimFileHandle;\r
+ UINTN FvCount;\r
+ UINTN PeimCount;\r
+ UINT32 AuthenticationState;\r
+ EFI_PHYSICAL_ADDRESS EntryPoint;\r
+ EFI_PEIM_ENTRY_POINT PeimEntryPoint;\r
+ BOOLEAN PeimNeedingDispatch;\r
+ BOOLEAN PeimDispatchOnThisPass;\r
+ UINTN SaveCurrentPeimCount;\r
+ EFI_PEI_FILE_HANDLE SaveCurrentFileHandle;\r
+ VOID *TopOfStack;\r
+ PEI_CORE_PARAMETERS PeiCoreParameters;\r
+ EFI_DEVICE_HANDLE_EXTENDED_DATA ExtendedData;\r
+\r
+\r
+ PeiServices = &Private->PS;\r
+ PeimEntryPoint = NULL;\r
+ PeimFileHandle = NULL;\r
+\r
+ if ((Private->PeiMemoryInstalled) && (Private->HobList.HandoffInformationTable->BootMode != BOOT_ON_S3_RESUME)) {\r
+ //\r
+ // Once real memory is available, shadow the RegisterForShadow modules. And meanwhile\r
+ // update the modules' status from PEIM_STATE_REGISITER_FOR_SHADOW to PEIM_STATE_DONE.\r
+ //\r
+ SaveCurrentPeimCount = Private->CurrentPeimCount;\r
+ SaveCurrentFileHandle = Private->CurrentFileHandle;\r
+\r
+ for (Index1 = 0;Index1 <= Private->CurrentPeimFvCount; Index1++) {\r
+ for (Index2 = 0; (Index2 < PEI_CORE_MAX_PEIM_PER_FV) && (Private->Fv[Index1].FvFileHandles[Index2] != NULL); Index2++) {\r
+ if (Private->Fv[Index1].PeimState[Index2] == PEIM_STATE_REGISITER_FOR_SHADOW) {\r
+ PeimFileHandle = Private->Fv[Index1].FvFileHandles[Index2]; \r
+ Status = PeiLoadImage (\r
+ &Private->PS, \r
+ PeimFileHandle, \r
+ &EntryPoint, \r
+ &AuthenticationState\r
+ );\r
+ if (Status == EFI_SUCCESS) {\r
+ //\r
+ // PEIM_STATE_REGISITER_FOR_SHADOW move to PEIM_STATE_DONE\r
+ //\r
+ Private->Fv[Index1].PeimState[Index2]++;\r
+ Private->CurrentFileHandle = PeimFileHandle;\r
+ Private->CurrentPeimCount = Index2; \r
+ //\r
+ // Call the PEIM entry point\r
+ //\r
+ PeimEntryPoint = (EFI_PEIM_ENTRY_POINT)(UINTN)EntryPoint;\r
+ \r
+ PERF_START (0, "PEIM", NULL, 0);\r
+ PeimEntryPoint(PeimFileHandle, &Private->PS);\r
+ PERF_END (0, "PEIM", NULL, 0);\r
+ } \r
+ \r
+ //\r
+ // Process the Notify list and dispatch any notifies for\r
+ // newly installed PPIs.\r
+ //\r
+ ProcessNotifyList (Private);\r
+ }\r
+ }\r
+ }\r
+ Private->CurrentFileHandle = SaveCurrentFileHandle; \r
+ Private->CurrentPeimCount = SaveCurrentPeimCount; \r
+ }\r
\r
//\r
// This is the main dispatch loop. It will search known FVs for PEIMs and\r
// FV where PEIMs are found in the order their dependencies are also\r
// satisfied, this dipatcher should run only once.\r
//\r
- for (;;) {\r
- //\r
- // This is the PEIM search loop. It will scan through all PEIMs it can find\r
- // looking for PEIMs to dispatch, and will dipatch them if they have not\r
- // already been dispatched and all of their dependencies are met.\r
- // If no more PEIMs can be found in this pass through all known FVs,\r
- // then it will break out of this loop.\r
- //\r
- for (;;) {\r
+ do {\r
+ PeimNeedingDispatch = FALSE;\r
+ PeimDispatchOnThisPass = FALSE;\r
+\r
+ for (FvCount = Private->CurrentPeimFvCount; FvCount < Private->FvCount; FvCount++) {\r
+ Private->CurrentPeimFvCount = FvCount;\r
+ VolumeHandle = Private->Fv[FvCount].FvHeader;\r
\r
- Status = FindNextPeim (\r
- &PrivateData->PS,\r
- DispatchData->CurrentFvAddress,\r
- &DispatchData->CurrentPeimAddress\r
- );\r
+ if (Private->CurrentPeimCount == 0) {\r
+ //\r
+ // When going through each FV, at first, search Apriori file to\r
+ // reorder all PEIMs to ensure the PEIMs in Apriori file to get \r
+ // dispatch at first.\r
+ //\r
+ DiscoverPeimsAndOrderWithApriori (Private, VolumeHandle);\r
+ }\r
\r
//\r
- // If we found a PEIM, check if it is dispatched. If so, go to the\r
- // next PEIM. If not, dispatch it if its dependencies are satisfied.\r
- // If its dependencies are not satisfied, go to the next PEIM.\r
+ // Start to dispatch all modules within the current Fv.\r
//\r
- if (Status == EFI_SUCCESS) {\r
-\r
- DEBUG_CODE_BEGIN ();\r
-\r
- //\r
- // Fill list of found Peims for later list of those not installed\r
- //\r
- CopyMem (\r
- &DebugFoundPeimList[DispatchData->CurrentPeim],\r
- &DispatchData->CurrentPeimAddress->Name,\r
- sizeof (EFI_GUID)\r
- );\r
-\r
- DEBUG_CODE_END ();\r
-\r
- if (!Dispatched (\r
- DispatchData->CurrentPeim,\r
- DispatchData->DispatchedPeimBitMap\r
- )) {\r
- if (DepexSatisfied (&PrivateData->PS, DispatchData->CurrentPeimAddress)) {\r
+ for (PeimCount = Private->CurrentPeimCount; \r
+ (PeimCount < PEI_CORE_MAX_PEIM_PER_FV) && (Private->CurrentFvFileHandles[PeimCount] != NULL); \r
+ PeimCount++) {\r
+ Private->CurrentPeimCount = PeimCount;\r
+ PeimFileHandle = Private->CurrentFileHandle = Private->CurrentFvFileHandles[PeimCount];\r
+\r
+ if (Private->Fv[FvCount].PeimState[PeimCount] == PEIM_STATE_NOT_DISPATCHED) {\r
+ if (!DepexSatisfied (Private, PeimFileHandle, PeimCount)) {\r
+ PeimNeedingDispatch = TRUE;\r
+ } else {\r
Status = PeiLoadImage (\r
- &PrivateData->PS,\r
- DispatchData->CurrentPeimAddress,\r
- &TempPtr.Raw\r
+ PeiServices, \r
+ PeimFileHandle, \r
+ &EntryPoint, \r
+ &AuthenticationState\r
);\r
- if (Status == EFI_SUCCESS) {\r
-\r
+ if ((Status == EFI_SUCCESS)) {\r
//\r
// The PEIM has its dependencies satisfied, and its entry point\r
// has been found, so invoke it.\r
//\r
- PERF_START (\r
- (VOID *) (UINTN) (DispatchData->CurrentPeimAddress),\r
- "PEIM",\r
- NULL,\r
- 0\r
- );\r
+ PERF_START (0, "PEIM", NULL, 0);\r
\r
- //\r
- // BUGBUG: Used to be EFI_PEI_REPORT_STATUS_CODE_CODE\r
- //\r
- ExtendedData.Handle = (EFI_HANDLE)DispatchData->CurrentPeimAddress;\r
+ ExtendedData.Handle = (EFI_HANDLE)PeimFileHandle;\r
\r
REPORT_STATUS_CODE_WITH_EXTENDED_DATA (\r
EFI_PROGRESS_CODE,\r
sizeof (ExtendedData)\r
);\r
\r
- //\r
- // Is this a authentic image\r
- //\r
- Status = VerifyPeim (\r
- &PrivateData->PS,\r
- DispatchData->CurrentPeimAddress\r
- );\r
-\r
- if (Status != EFI_SECURITY_VIOLATION) {\r
+ Status = VerifyPeim (Private, VolumeHandle, PeimFileHandle);\r
+ if (Status != EFI_SECURITY_VIOLATION && (AuthenticationState == 0)) {\r
+ //\r
+ // PEIM_STATE_NOT_DISPATCHED move to PEIM_STATE_DISPATCHED\r
+ //\r
+ Private->Fv[FvCount].PeimState[PeimCount]++;\r
\r
//\r
- // BUGBUG: Before enable PI, we need cast EFI_FFS_FILE_HEADER* to EFI_PEI_FILE_HANDLE*\r
- // Because we use new MdePkg's definition, but they are binary compatible in fact.\r
+ // Call the PEIM entry point\r
//\r
- Status = TempPtr.PeimEntry (\r
- (EFI_PEI_FILE_HANDLE*)DispatchData->CurrentPeimAddress,\r
- &PrivateData->PS\r
- );\r
+ PeimEntryPoint = (EFI_PEIM_ENTRY_POINT)(UINTN)EntryPoint;\r
+ PeimEntryPoint (PeimFileHandle, PeiServices);\r
+ PeimDispatchOnThisPass = TRUE;\r
}\r
\r
REPORT_STATUS_CODE_WITH_EXTENDED_DATA (\r
(VOID *)(&ExtendedData),\r
sizeof (ExtendedData)\r
);\r
+ PERF_END (0, "PEIM", NULL, 0);\r
+\r
+ }\r
\r
- PERF_END ((VOID *) (UINTN) (DispatchData->CurrentPeimAddress), "PEIM", NULL, 0);\r
+ //\r
+ // Process the Notify list and dispatch any notifies for\r
+ // newly installed PPIs.\r
+ //\r
+ ProcessNotifyList (Private);\r
+\r
+ //\r
+ // If permanent memory was discovered and installed by this\r
+ // PEIM, shadow PEI Core and switch the stacks to the new memory. \r
+ //\r
+ if (Private->SwitchStackSignal) {\r
\r
//\r
- // Mark the PEIM as dispatched so we don't attempt to run it again\r
+ // Make sure we don't retry the same PEIM that added memory\r
//\r
- SetDispatched (\r
- &PrivateData->PS,\r
- DispatchData->CurrentPeim,\r
- &DispatchData->DispatchedPeimBitMap\r
- );\r
+ Private->CurrentPeimCount++;\r
\r
//\r
- // Process the Notify list and dispatch any notifies for\r
- // newly installed PPIs.\r
+ // Migrate IDT from CAR into real memory, so after stack switches to\r
+ // the new memory, the caller can get memory version PeiServiceTable. \r
//\r
- ProcessNotifyList (&PrivateData->PS);\r
+ //MigrateIdtTable (PeiServices); \r
+ //\r
+ // Since we are at dispatch level, only the Core's private data \r
+ // is preserved, nobody else should have any data on the stack. \r
+ // So we need to copy PEI core instance data to memory.\r
+ //\r
+ PrivateInMem = AllocateCopyPool (sizeof (PEI_CORE_INSTANCE), Private);\r
+ ASSERT (PrivateInMem != NULL);\r
\r
//\r
- // If real system memory was discovered and installed by this\r
- // PEIM, switch the stacks to the new memory. Since we are\r
- // at dispatch level, only the Core's private data is preserved,\r
- // nobody else should have any data on the stack.\r
+ // Shadow PEI Core. When permanent memory is avaiable, shadow\r
+ // PEI Core and PEIMs to get high performance.\r
//\r
- if (PrivateData->SwitchStackSignal) {\r
- //\r
- // Adjust the top of stack to be aligned at CPU_STACK_ALIGNMENT\r
- //\r
- TopOfStack = (VOID *)((UINTN)PrivateData->StackBase + (UINTN)PrivateData->StackSize - CPU_STACK_ALIGNMENT);\r
- TopOfStack = ALIGN_POINTER (TopOfStack, CPU_STACK_ALIGNMENT);\r
- \r
- PeiCoreParameters.SecCoreData = SecCoreData;\r
- PeiCoreParameters.PpiList = NULL;\r
- PeiCoreParameters.Data = TransferOldDataToNewDataRange (PrivateData);\r
- ASSERT (PeiCoreParameters.Data != 0);\r
-\r
- PeiSwitchStacks (\r
- InvokePeiCore,\r
- (VOID*) (UINTN) PeiCore,\r
- (VOID*) &PeiCoreParameters, \r
- TopOfStack,\r
- (VOID*)(UINTN)PrivateData->StackBase\r
- );\r
- }\r
+ PeiCoreFileHandle = NULL;\r
+ //\r
+ // Find the PEI Core in the BFV\r
+ //\r
+ Status = PeiFindFileEx (\r
+ (EFI_PEI_FV_HANDLE)Private->Fv[0].FvHeader, \r
+ NULL, \r
+ EFI_FV_FILETYPE_PEI_CORE, \r
+ &PeiCoreFileHandle,\r
+ NULL\r
+ );\r
+ ASSERT_EFI_ERROR (Status);\r
+ \r
+ //\r
+ // Shadow PEI Core into memory so it will run faster\r
+ //\r
+ Status = PeiLoadImage (PeiServices, PeiCoreFileHandle, &EntryPoint, &AuthenticationState);\r
+ ASSERT_EFI_ERROR (Status);\r
+ \r
+ //\r
+ // Switch to memory based stack and reenter PEI Core that has been\r
+ // shadowed to memory.\r
+ //\r
+ //\r
+ // Adjust the top of stack to be aligned at CPU_STACK_ALIGNMENT\r
+ //\r
+ TopOfStack = (VOID *)((UINTN)Private->StackBase + (UINTN)Private->StackSize - CPU_STACK_ALIGNMENT);\r
+ TopOfStack = ALIGN_POINTER (TopOfStack, CPU_STACK_ALIGNMENT);\r
+ \r
+ PeiCoreParameters.SecCoreData = SecCoreData;\r
+ PeiCoreParameters.PpiList = NULL;\r
+ PeiCoreParameters.Data = PrivateInMem;\r
+ ASSERT (PeiCoreParameters.Data != 0);\r
+\r
+ PeiSwitchStacks (\r
+ InvokePeiCore,\r
+ (VOID*) (UINTN) PeiCore,\r
+ (VOID*) &PeiCoreParameters, \r
+ TopOfStack,\r
+ (VOID*)(UINTN)Private->StackBase\r
+ );\r
}\r
- }\r
- }\r
- DispatchData->CurrentPeim++;\r
- continue;\r
\r
- } else {\r
-\r
- //\r
- // If we could not find another PEIM in the current FV, go try\r
- // the FindFv PPI to look in other FVs for more PEIMs. If we can\r
- // not locate the FindFv PPI, or if the FindFv PPI can not find\r
- // anymore FVs, then exit the PEIM search loop.\r
- //\r
- if (DispatchData->FindFv == NULL) {\r
- Status = PeiServicesLocatePpi (\r
- &gEfiFindFvPpiGuid,\r
- 0,\r
- NULL,\r
- (VOID **)&DispatchData->FindFv\r
- );\r
- if (Status != EFI_SUCCESS) {\r
- break;\r
- }\r
- }\r
- NextFvFound = FALSE;\r
- while (!NextFvFound) {\r
- Status = DispatchData->FindFv->FindFv (\r
- DispatchData->FindFv,\r
- &PrivateData->PS,\r
- &DispatchData->CurrentFv,\r
- &NextFvAddress\r
- );\r
- //\r
- // if there is no next fv, get out of this loop of finding FVs\r
- //\r
- if (Status != EFI_SUCCESS) {\r
- break;\r
- }\r
- //\r
- // don't process the default Fv again. (we don't know the order in which the hobs were created)\r
- //\r
- if ((NextFvAddress != DefaultFvAddress) &&\r
- (NextFvAddress != DispatchData->CurrentFvAddress)) {\r
+ if ((Private->PeiMemoryInstalled) && (Private->Fv[FvCount].PeimState[PeimCount] == PEIM_STATE_REGISITER_FOR_SHADOW) && \\r
+ (Private->HobList.HandoffInformationTable->BootMode != BOOT_ON_S3_RESUME)) {\r
+ //\r
+ // If memory is availble we shadow images by default for performance reasons. \r
+ // We call the entry point a 2nd time so the module knows it's shadowed. \r
+ //\r
+ //PERF_START (PeiServices, L"PEIM", PeimFileHandle, 0);\r
+ PeimEntryPoint (PeimFileHandle, PeiServices);\r
+ //PERF_END (PeiServices, L"PEIM", PeimFileHandle, 0);\r
+ \r
+ //\r
+ // PEIM_STATE_REGISITER_FOR_SHADOW move to PEIM_STATE_DONE\r
+ //\r
+ Private->Fv[FvCount].PeimState[PeimCount]++;\r
\r
- //\r
- // VerifyFv() is currently returns SUCCESS all the time, add code to it to\r
- // actually verify the given FV\r
- //\r
- Status = VerifyFv (NextFvAddress);\r
- if (Status == EFI_SUCCESS) {\r
- NextFvFound = TRUE;\r
- DispatchData->CurrentFvAddress = NextFvAddress;\r
- DispatchData->CurrentPeimAddress = NULL;\r
//\r
- // current PRIM number (CurrentPeim) must continue as is, don't reset it here\r
+ // Process the Notify list and dispatch any notifies for\r
+ // newly installed PPIs.\r
//\r
+ ProcessNotifyList (Private);\r
}\r
}\r
}\r
- //\r
- // if there is no next fv, get out of this loop of dispatching PEIMs\r
- //\r
- if (!NextFvFound) {\r
- break;\r
- }\r
- //\r
- // continue in the inner for(;;) loop with a new FV;\r
- //\r
}\r
- }\r
\r
- //\r
- // If all the PEIMs that we have found have been dispatched, then\r
- // there is nothing left to dispatch and we don't need to go search\r
- // through all PEIMs again.\r
- //\r
- if ((~(DispatchData->DispatchedPeimBitMap) &\r
- ((1 << DispatchData->CurrentPeim)-1)) == 0) {\r
- break;\r
- }\r
-\r
- //\r
- // Check if no more PEIMs that depex was satisfied\r
- //\r
- if (DispatchData->DispatchedPeimBitMap == DispatchData->PreviousPeimBitMap) {\r
- break;\r
+ //\r
+ // We set to NULL here to optimize the 2nd entry to this routine after\r
+ // memory is found. This reprevents rescanning of the FV. We set to\r
+ // NULL here so we start at the begining of the next FV\r
+ //\r
+ Private->CurrentFileHandle = NULL;\r
+ Private->CurrentPeimCount = 0;\r
+ //\r
+ // Before walking through the next FV,Private->CurrentFvFileHandles[]should set to NULL\r
+ //\r
+ SetMem (Private->CurrentFvFileHandles, sizeof (Private->CurrentFvFileHandles), 0);\r
}\r
\r
//\r
- // Case when Depex is not satisfied and has to traverse the list again\r
+ // Before making another pass, we should set Private->CurrentPeimFvCount =0 to go \r
+ // through all the FV.\r
//\r
- DispatchData->CurrentPeim = 0;\r
- DispatchData->CurrentPeimAddress = 0;\r
- DispatchData->PreviousPeimBitMap = DispatchData->DispatchedPeimBitMap;\r
+ Private->CurrentPeimFvCount = 0;\r
\r
//\r
- // don't go back to the loop without making sure that the CurrentFvAddress is the\r
- // same as the 1st (or default) FV we started with. otherwise we will interpret the bimap wrongly and\r
- // mess it up, always start processing the PEIMs from the default FV just like in the first time around.\r
- //\r
- DispatchData->CurrentFv = 0;\r
- DispatchData->CurrentFvAddress = DefaultFvAddress;\r
- }\r
-\r
- DEBUG_CODE_BEGIN ();\r
+ // PeimNeedingDispatch being TRUE means we found a PEIM that did not get \r
+ // dispatched. So we need to make another pass\r
//\r
- // Debug data for uninstalled Peim list\r
+ // PeimDispatchOnThisPass being TRUE means we dispatched a PEIM on this \r
+ // pass. If we did not dispatch a PEIM there is no point in trying again\r
+ // as it will fail the next time too (nothing has changed).\r
//\r
- UINT32 DebugNotDispatchedBitmap;\r
- UINT8 DebugFoundPeimPoint;\r
+ } while (PeimNeedingDispatch && PeimDispatchOnThisPass);\r
\r
- DebugFoundPeimPoint = 0;\r
- //\r
- // Get bitmap of Peims that were not dispatched,\r
- //\r
-\r
- DebugNotDispatchedBitmap = ((DispatchData->DispatchedPeimBitMap) ^ ((1 << DispatchData->CurrentPeim)-1));\r
- //\r
- // Scan bitmap of Peims not installed and print GUIDS\r
- //\r
- while (DebugNotDispatchedBitmap != 0) {\r
- if ((DebugNotDispatchedBitmap & 1) != 0) {\r
- DEBUG ((EFI_D_INFO, "WARNING -> InstallPpi: Not Installed: %g\n",\r
- &DebugFoundPeimList[DebugFoundPeimPoint]\r
- ));\r
- }\r
- DebugFoundPeimPoint++;\r
- DebugNotDispatchedBitmap >>= 1;\r
- }\r
-\r
- DEBUG_CODE_END ();\r
-\r
- return EFI_NOT_FOUND;\r
}\r
\r
VOID\r
InitializeDispatcherData (\r
- IN EFI_PEI_SERVICES **PeiServices,\r
+ IN PEI_CORE_INSTANCE *PrivateData,\r
IN PEI_CORE_INSTANCE *OldCoreData,\r
IN CONST EFI_SEC_PEI_HAND_OFF *SecCoreData\r
)\r
\r
--*/\r
{\r
- PEI_CORE_INSTANCE *PrivateData;\r
-\r
- PrivateData = PEI_CORE_INSTANCE_FROM_PS_THIS (PeiServices);\r
-\r
if (OldCoreData == NULL) {\r
- PrivateData->DispatchData.CurrentFvAddress = (EFI_FIRMWARE_VOLUME_HEADER *) SecCoreData->BootFirmwareVolumeBase;\r
- PrivateData->DispatchData.BootFvAddress = (EFI_FIRMWARE_VOLUME_HEADER *) SecCoreData->BootFirmwareVolumeBase;\r
- } else {\r
-\r
- //\r
- // Current peim has been dispatched, but not count\r
- //\r
- PrivateData->DispatchData.CurrentPeim = (UINT8)(OldCoreData->DispatchData.CurrentPeim + 1);\r
+ PeiInitializeFv (PrivateData, SecCoreData);\r
}\r
\r
return;\r
}\r
\r
\r
-BOOLEAN\r
-Dispatched (\r
- IN UINT8 CurrentPeim,\r
- IN UINT32 DispatchedPeimBitMap\r
- )\r
-/*++\r
-\r
-Routine Description:\r
-\r
- This routine checks to see if a particular PEIM has been dispatched during\r
- the PEI core dispatch.\r
-\r
-Arguments:\r
- CurrentPeim - The PEIM/FV in the bit array to check.\r
- DispatchedPeimBitMap - Bit array, each bit corresponds to a PEIM/FV.\r
-\r
-Returns:\r
- TRUE - PEIM already dispatched\r
- FALSE - Otherwise\r
-\r
---*/\r
-{\r
- return (BOOLEAN)((DispatchedPeimBitMap & (1 << CurrentPeim)) != 0);\r
-}\r
-\r
-VOID\r
-SetDispatched (\r
- IN EFI_PEI_SERVICES **PeiServices,\r
- IN UINT8 CurrentPeim,\r
- OUT UINT32 *DispatchedPeimBitMap\r
- )\r
-/*++\r
-\r
-Routine Description:\r
-\r
- This routine sets a PEIM as having been dispatched once its entry\r
- point has been invoked.\r
-\r
-Arguments:\r
-\r
- PeiServices - The PEI core services table.\r
- CurrentPeim - The PEIM/FV in the bit array to check.\r
- DispatchedPeimBitMap - Bit array, each bit corresponds to a PEIM/FV.\r
-\r
-Returns:\r
- None\r
-\r
---*/\r
-{\r
- //\r
- // Check if the total number of PEIMs exceed the bitmap.\r
- // CurrentPeim is 0-based\r
- //\r
- ASSERT (CurrentPeim < (sizeof (*DispatchedPeimBitMap) * 8));\r
- *DispatchedPeimBitMap |= (1 << CurrentPeim);\r
- return;\r
-}\r
-\r
BOOLEAN\r
DepexSatisfied (\r
- IN EFI_PEI_SERVICES **PeiServices,\r
- IN VOID *CurrentPeimAddress\r
+ IN PEI_CORE_INSTANCE *Private,\r
+ IN EFI_PEI_FILE_HANDLE FileHandle,\r
+ IN UINTN PeimCount\r
)\r
/*++\r
\r
--*/\r
{\r
EFI_STATUS Status;\r
- INT8 *DepexData;\r
- BOOLEAN Runnable;\r
-\r
- Status = PeiServicesFfsFindSectionData (\r
- EFI_SECTION_PEI_DEPEX,\r
- CurrentPeimAddress,\r
- (VOID **)&DepexData\r
- );\r
- //\r
- // If there is no DEPEX, assume the module can be executed\r
- //\r
+ VOID *DepexData;\r
+\r
+ if (PeimCount < Private->AprioriCount) {\r
+ //\r
+ // If its in the A priori file then we set Depex to TRUE\r
+ //\r
+ return TRUE;\r
+ }\r
+\r
+ Status = PeiServicesFfsFindSectionData (EFI_SECTION_PEI_DEPEX, FileHandle, (VOID **) &DepexData);\r
if (EFI_ERROR (Status)) {\r
+ //\r
+ // If there is no DEPEX, assume the module can be executed\r
+ //\r
return TRUE;\r
}\r
\r
//\r
// Evaluate a given DEPEX\r
//\r
- Status = PeimDispatchReadiness (\r
- PeiServices,\r
- DepexData,\r
- &Runnable\r
- );\r
-\r
- return Runnable;\r
-}\r
-\r
-STATIC\r
-VOID *\r
-TransferOldDataToNewDataRange (\r
- IN PEI_CORE_INSTANCE *PrivateData\r
- )\r
-/*++\r
-\r
-Routine Description:\r
-\r
- This routine transfers the contents of the pre-permanent memory\r
- PEI Core private data to a post-permanent memory data location.\r
-\r
-Arguments:\r
-\r
- PrivateData - Pointer to the current PEI Core private data pre-permanent memory\r
-\r
-Returns:\r
-\r
- Pointer to the PrivateData once the private data has been transferred to permanent memory\r
-\r
---*/\r
-{\r
- //\r
- //Build private HOB to PEI core to transfer old NEM-range data to new NEM-range\r
- //\r
- return BuildGuidDataHob (&gEfiPeiCorePrivateGuid, PrivateData, sizeof (PEI_CORE_INSTANCE));\r
+ return PeimDispatchReadiness (&Private->PS, DepexData);\r
}\r
\r
/**\r
return EFI_SUCCESS;\r
}\r
\r
+\r
/**\r
This routine invoke the PeiCore's entry in new stack environment.\r
\r
//\r
ASSERT_EFI_ERROR (FALSE);\r
}\r
-\r
-\r
-\r
-\r