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Enhance the PEI Core to convert pointers pointing to PPI descriptors on the temporary stack. 

Signed-off by: rsun3
Reviewed-by:   li-elvin


git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@12354 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
rsun3 2011-09-15 06:48:20 +00:00
parent a9292c1363
commit 424b7c9f8f
4 changed files with 53 additions and 48 deletions
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2
MdeModulePkg/Core/Pei/Dispatcher/Dispatcher.c
View File

@ -894,6 +894,8 @@ PeiDispatcher (
StackOffsetPositive = FALSE;
StackOffset = (UINTN)(TopOfOldStack - TopOfNewStack);
}
Private->StackOffsetPositive = StackOffsetPositive;
Private->StackOffset = StackOffset;
DEBUG ((EFI_D_INFO, "Heap Offset = 0x%lX Stack Offset = 0x%lX\n", (UINT64)Private->HeapOffset, (UINT64)(StackOffset)));

21
MdeModulePkg/Core/Pei/PeiMain.h
View File

@ -200,6 +200,8 @@ struct _PEI_CORE_INSTANCE {
EFI_PHYSICAL_ADDRESS FreePhysicalMemoryTop;
UINTN HeapOffset;
BOOLEAN HeapOffsetPositive;
UINTN StackOffset;
BOOLEAN StackOffsetPositive;
PEICORE_FUNCTION_POINTER ShadowedPeiCore;
CACHE_SECTION_DATA CacheSection;
//
@ -377,24 +379,15 @@ InitializePpiServices (
Migrate the Hob list from the temporary memory stack 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 FixupPositive TRUE if new Hob list is above the old Hob list.
Otherwise FALSE.
@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 UINTN Fixup,
IN BOOLEAN FixupPositive
IN CONST EFI_SEC_PEI_HAND_OFF *SecCoreData,
IN PEI_CORE_INSTANCE *PrivateData
);
/**

6
MdeModulePkg/Core/Pei/PeiMain/PeiMain.c
View File

@ -1,7 +1,7 @@
/** @file
Pei Core Main Entry Point
Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR>
Copyright (c) 2006 - 2011, 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
@ -204,9 +204,9 @@ PeiCore (
HandoffInformationTable->EfiFreeMemoryBottom = HandoffInformationTable->EfiEndOfHobList + sizeof (EFI_HOB_GENERIC_HEADER);
//
// We need convert the PPI desciptor's pointer
// We need convert the PPI descriptor's pointer
//
ConvertPpiPointers (OldCoreData, (UINTN)SecCoreData->TemporaryRamBase, (UINTN)SecCoreData->TemporaryRamBase + SecCoreData->TemporaryRamSize, OldCoreData->HeapOffset, OldCoreData->HeapOffsetPositive);
ConvertPpiPointers (SecCoreData, OldCoreData);
//
// After the whole temporary memory is migrated, then we can allocate page in

72
MdeModulePkg/Core/Pei/Ppi/Ppi.c
View File

@ -1,7 +1,7 @@
/** @file
EFI PEI Core PPI services
Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR>
Copyright (c) 2006 - 2011, 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
@ -40,44 +40,44 @@ InitializePpiServices (
Migrate the Hob list from the temporary memory stack 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 FixupPositive TRUE if new Hob list is above the old Hob list.
Otherwise FALSE.
@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 UINTN Fixup,
IN BOOLEAN FixupPositive
IN CONST EFI_SEC_PEI_HAND_OFF *SecCoreData,
IN PEI_CORE_INSTANCE *PrivateData
)
{
UINT8 Index;
PEI_PPI_LIST_POINTERS *PpiPointer;
UINTN OldHeapTop;
UINTN OldHeapBottom;
UINTN OldStackTop;
UINTN OldStackBottom;
OldHeapBottom = (UINTN)SecCoreData->PeiTemporaryRamBase;
OldHeapTop = (UINTN)SecCoreData->PeiTemporaryRamBase + SecCoreData->PeiTemporaryRamSize;
OldStackBottom = (UINTN)SecCoreData->StackBase;
OldStackTop = (UINTN)SecCoreData->StackBase + SecCoreData->StackSize;
for (Index = 0; Index < FixedPcdGet32 (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)) {
if (((UINTN)PpiPointer->Raw < OldHeapTop) &&
((UINTN)PpiPointer->Raw >= OldHeapBottom)) {
//
// Convert the pointer to the PEIM descriptor from the old HOB heap
// Convert the pointer to the PPI descriptor from the old HOB heap
// to the relocated HOB heap.
//
if (FixupPositive) {
PpiPointer->Raw = (VOID *) ((UINTN)PpiPointer->Raw + Fixup);
if (PrivateData->HeapOffsetPositive) {
PpiPointer->Raw = (VOID *) ((UINTN)PpiPointer->Raw + PrivateData->HeapOffset);
} else {
PpiPointer->Raw = (VOID *) ((UINTN)PpiPointer->Raw - Fixup);
PpiPointer->Raw = (VOID *) ((UINTN)PpiPointer->Raw - PrivateData->HeapOffset);
}
//
@ -85,16 +85,16 @@ ConvertPpiPointers (
// to try to convert the pointers in the PEIM descriptor
//
if (((UINTN)PpiPointer->Ppi->Guid < OldCheckingTop) &&
((UINTN)PpiPointer->Ppi->Guid >= OldCheckingBottom)) {
if (((UINTN)PpiPointer->Ppi->Guid < OldHeapTop) &&
((UINTN)PpiPointer->Ppi->Guid >= OldHeapBottom)) {
//
// Convert the pointer to the GUID in the PPI or NOTIFY descriptor
// from the old HOB heap to the relocated HOB heap.
//
if (FixupPositive) {
PpiPointer->Ppi->Guid = (VOID *) ((UINTN)PpiPointer->Ppi->Guid + Fixup);
if (PrivateData->HeapOffsetPositive) {
PpiPointer->Ppi->Guid = (VOID *) ((UINTN)PpiPointer->Ppi->Guid + PrivateData->HeapOffset);
} else {
PpiPointer->Ppi->Guid = (VOID *) ((UINTN)PpiPointer->Ppi->Guid - Fixup);
PpiPointer->Ppi->Guid = (VOID *) ((UINTN)PpiPointer->Ppi->Guid - PrivateData->HeapOffset);
}
}
@ -103,18 +103,28 @@ ConvertPpiPointers (
// 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) {
(UINTN)PpiPointer->Ppi->Ppi < OldHeapTop &&
(UINTN)PpiPointer->Ppi->Ppi >= OldHeapBottom) {
//
// Convert the pointer to the PPI interface structure in the PPI descriptor
// from the old HOB heap to the relocated HOB heap.
//
if (FixupPositive) {
PpiPointer->Ppi->Ppi = (VOID *) ((UINTN)PpiPointer->Ppi->Ppi + Fixup);
if (PrivateData->HeapOffsetPositive) {
PpiPointer->Ppi->Ppi = (VOID *) ((UINTN)PpiPointer->Ppi->Ppi + PrivateData->HeapOffset);
} else {
PpiPointer->Ppi->Ppi = (VOID *) ((UINTN)PpiPointer->Ppi->Ppi - Fixup);
PpiPointer->Ppi->Ppi = (VOID *) ((UINTN)PpiPointer->Ppi->Ppi - PrivateData->HeapOffset);
}
}
} else if (((UINTN)PpiPointer->Raw < OldStackTop) && ((UINTN)PpiPointer->Raw >= OldStackBottom)) {
//
// Convert the pointer to the PPI descriptor from the temporary stack
// to the permanent PEI stack.
//
if (PrivateData->StackOffsetPositive) {
PpiPointer->Raw = (VOID *) ((UINTN)PpiPointer->Raw + PrivateData->StackOffset);
} else {
PpiPointer->Raw = (VOID *) ((UINTN)PpiPointer->Raw - PrivateData->StackOffset);
}
}
}
}