X-Git-Url: https://git.proxmox.com/?a=blobdiff_plain;f=MdeModulePkg%2FCore%2FPei%2FPpi%2FPpi.c;h=db6eded6d6eddd4cf0cdb21402148abdbec1c27f;hb=322d827c0f41efe14387ee67834ddced09f95c9c;hp=68593a6d1d493fbe42cd5edff3e46a5bb54f7f82;hpb=188e4e8444bdc69e2f6c65e90c35956eb01cd4b3;p=mirror_edk2.git diff --git a/MdeModulePkg/Core/Pei/Ppi/Ppi.c b/MdeModulePkg/Core/Pei/Ppi/Ppi.c index 68593a6d1d..db6eded6d6 100644 --- a/MdeModulePkg/Core/Pei/Ppi/Ppi.c +++ b/MdeModulePkg/Core/Pei/Ppi/Ppi.c @@ -1,8 +1,8 @@ /** @file EFI PEI Core PPI services -Copyright (c) 2006 - 2010, Intel Corporation -All rights reserved. This program and the accompanying materials +Copyright (c) 2006 - 2014, Intel Corporation. All rights reserved.
+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 @@ -38,68 +38,126 @@ InitializePpiServices ( /** - Migrate the Hob list from the temporary memory stack to PEI installed memory. + Migrate Single PPI Pointer from the temporary memory to PEI installed memory. - @param PrivateData Pointer to PeiCore's private data structure. - @param OldCheckingBottom Bottom of temporary memory range. All Ppi in this range - will be fixup for PpiData and PpiDescriptor pointer. - @param OldCheckingTop Top of temporary memory range. All Ppi in this range - will be fixup for PpiData and PpiDescriptor. - @param Fixup The address difference between - the new Hob list and old Hob list. + @param PpiPointer Pointer to Ppi + @param TempBottom Base of old temporary memory + @param TempTop Top of old temporary memory + @param Offset Offset of new memory to old temporary memory. + @param OffsetPositive Positive flag of Offset value. + +**/ +VOID +ConvertSinglePpiPointer ( + IN PEI_PPI_LIST_POINTERS *PpiPointer, + IN UINTN TempBottom, + IN UINTN TempTop, + IN UINTN Offset, + IN BOOLEAN OffsetPositive + ) +{ + if (((UINTN)PpiPointer->Raw < TempTop) && + ((UINTN)PpiPointer->Raw >= TempBottom)) { + // + // Convert the pointer to the PPI descriptor from the old TempRam + // to the relocated physical memory. + // + if (OffsetPositive) { + PpiPointer->Raw = (VOID *) ((UINTN)PpiPointer->Raw + Offset); + } else { + PpiPointer->Raw = (VOID *) ((UINTN)PpiPointer->Raw - Offset); + } + + // + // Only when the PEIM descriptor is in the old TempRam should it be necessary + // to try to convert the pointers in the PEIM descriptor + // + + if (((UINTN)PpiPointer->Ppi->Guid < TempTop) && + ((UINTN)PpiPointer->Ppi->Guid >= TempBottom)) { + // + // Convert the pointer to the GUID in the PPI or NOTIFY descriptor + // from the old TempRam to the relocated physical memory. + // + if (OffsetPositive) { + PpiPointer->Ppi->Guid = (VOID *) ((UINTN)PpiPointer->Ppi->Guid + Offset); + } else { + PpiPointer->Ppi->Guid = (VOID *) ((UINTN)PpiPointer->Ppi->Guid - Offset); + } + } + + // + // Convert the pointer to the PPI interface structure in the PPI descriptor + // from the old TempRam to the relocated physical memory. + // + if ((UINTN)PpiPointer->Ppi->Ppi < TempTop && + (UINTN)PpiPointer->Ppi->Ppi >= TempBottom) { + if (OffsetPositive) { + PpiPointer->Ppi->Ppi = (VOID *) ((UINTN)PpiPointer->Ppi->Ppi + Offset); + } else { + PpiPointer->Ppi->Ppi = (VOID *) ((UINTN)PpiPointer->Ppi->Ppi - Offset); + } + } + } +} + +/** + + Migrate PPI Pointers from the temporary memory stack to PEI installed memory. + + @param SecCoreData Points to a data structure containing SEC to PEI handoff data, such as the size + and location of temporary RAM, the stack location and the BFV location. + @param PrivateData Pointer to PeiCore's private data structure. **/ VOID ConvertPpiPointers ( - IN PEI_CORE_INSTANCE *PrivateData, - IN UINTN OldCheckingBottom, - IN UINTN OldCheckingTop, - IN INTN Fixup + IN CONST EFI_SEC_PEI_HAND_OFF *SecCoreData, + IN PEI_CORE_INSTANCE *PrivateData ) { UINT8 Index; - PEI_PPI_LIST_POINTERS *PpiPointer; + UINT8 IndexHole; for (Index = 0; Index < PcdGet32 (PcdPeiCoreMaxPpiSupported); Index++) { - if (Index < PrivateData->PpiData.PpiListEnd || - Index > PrivateData->PpiData.NotifyListEnd) { - PpiPointer = &PrivateData->PpiData.PpiListPtrs[Index]; - - if (((UINTN)PpiPointer->Raw < OldCheckingTop) && - ((UINTN)PpiPointer->Raw >= OldCheckingBottom)) { - // - // Convert the pointer to the PEIM descriptor from the old HOB heap - // to the relocated HOB heap. - // - PpiPointer->Raw = (VOID *) ((UINTN)PpiPointer->Raw + Fixup); - - // - // Only when the PEIM descriptor is in the old HOB should it be necessary - // to try to convert the pointers in the PEIM descriptor - // - - if (((UINTN)PpiPointer->Ppi->Guid < OldCheckingTop) && - ((UINTN)PpiPointer->Ppi->Guid >= OldCheckingBottom)) { - // - // Convert the pointer to the GUID in the PPI or NOTIFY descriptor - // from the old HOB heap to the relocated HOB heap. - // - PpiPointer->Ppi->Guid = (VOID *) ((UINTN)PpiPointer->Ppi->Guid + Fixup); - } - - // - // Assume that no code is located in the temporary memory, so the pointer to - // the notification function in the NOTIFY descriptor needs not be converted. - // - if (Index < PrivateData->PpiData.PpiListEnd && - (UINTN)PpiPointer->Ppi->Ppi < OldCheckingTop && - (UINTN)PpiPointer->Ppi->Ppi >= OldCheckingBottom) { - // - // Convert the pointer to the PPI interface structure in the PPI descriptor - // from the old HOB heap to the relocated HOB heap. - // - PpiPointer->Ppi->Ppi = (VOID *) ((UINTN)PpiPointer->Ppi->Ppi+ Fixup); + if (Index < PrivateData->PpiData.PpiListEnd || Index > PrivateData->PpiData.NotifyListEnd) { + // + // Convert PPI pointer in old Heap + // + ConvertSinglePpiPointer ( + &PrivateData->PpiData.PpiListPtrs[Index], + (UINTN)SecCoreData->PeiTemporaryRamBase, + (UINTN)SecCoreData->PeiTemporaryRamBase + SecCoreData->PeiTemporaryRamSize, + PrivateData->HeapOffset, + PrivateData->HeapOffsetPositive + ); + + // + // Convert PPI pointer in old Stack + // + ConvertSinglePpiPointer ( + &PrivateData->PpiData.PpiListPtrs[Index], + (UINTN)SecCoreData->StackBase, + (UINTN)SecCoreData->StackBase + SecCoreData->StackSize, + PrivateData->StackOffset, + PrivateData->StackOffsetPositive + ); + + // + // Convert PPI pointer in old TempRam Hole + // + for (IndexHole = 0; IndexHole < HOLE_MAX_NUMBER; IndexHole ++) { + if (PrivateData->HoleData[IndexHole].Size == 0) { + continue; } + + ConvertSinglePpiPointer ( + &PrivateData->PpiData.PpiListPtrs[Index], + (UINTN)PrivateData->HoleData[IndexHole].Base, + (UINTN)PrivateData->HoleData[IndexHole].Base + PrivateData->HoleData[IndexHole].Size, + PrivateData->HoleData[IndexHole].Offset, + PrivateData->HoleData[IndexHole].OffsetPositive + ); } } }