diff options
Diffstat (limited to 'MdeModulePkg/Core/Pei/Ppi/Ppi.c')
| -rw-r--r-- | MdeModulePkg/Core/Pei/Ppi/Ppi.c | 128 |
1 files changed, 65 insertions, 63 deletions
diff --git a/MdeModulePkg/Core/Pei/Ppi/Ppi.c b/MdeModulePkg/Core/Pei/Ppi/Ppi.c index 2ee45c44f7..bb358a25d3 100644 --- a/MdeModulePkg/Core/Pei/Ppi/Ppi.c +++ b/MdeModulePkg/Core/Pei/Ppi/Ppi.c @@ -1,13 +1,13 @@ /*++
-Copyright (c) 2006, 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
-
-THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+Copyright (c) 2006, 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
+
+THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
Module Name:
@@ -50,14 +50,15 @@ Returns: PrivateData->PpiData.DispatchListEnd = MAX_PPI_DESCRIPTORS-1;
PrivateData->PpiData.LastDispatchedNotify = MAX_PPI_DESCRIPTORS-1;
}
-
- return;
+
+ return;
}
VOID
ConvertPpiPointers (
IN CONST EFI_PEI_SERVICES **PeiServices,
- IN EFI_HOB_HANDOFF_INFO_TABLE *OldHandOffHob,
+ IN UINTN OldCheckingBottom,
+ IN UINTN OldCheckingTop,
IN EFI_HOB_HANDOFF_INFO_TABLE *NewHandOffHob
)
/*++
@@ -68,12 +69,13 @@ Routine Description: Arguments:
- PeiServices - The PEI core services table.
- OldHandOffHob - The old handoff HOB list.
- NewHandOffHob - The new handoff HOB list.
+ PeiServices - The PEI core services table.
+ OldCheckingBottom - The old checking bottom.
+ OldCheckingTop - The old checking top.
+ NewHandOffHob - The new handoff HOB list.
Returns:
-
+
--*/
{
PEI_CORE_INSTANCE *PrivateData;
@@ -83,15 +85,15 @@ Returns: PrivateData = PEI_CORE_INSTANCE_FROM_PS_THIS(PeiServices);
- Fixup = (UINTN)NewHandOffHob - (UINTN)OldHandOffHob;
-
+ Fixup = (UINTN)NewHandOffHob - OldCheckingBottom;
+
for (Index = 0; Index < MAX_PPI_DESCRIPTORS; Index++) {
if (Index < PrivateData->PpiData.PpiListEnd ||
Index > PrivateData->PpiData.NotifyListEnd) {
PpiPointer = &PrivateData->PpiData.PpiListPtrs[Index];
-
- if (((UINTN)PpiPointer->Raw < (UINTN)OldHandOffHob->EfiFreeMemoryBottom) &&
- ((UINTN)PpiPointer->Raw >= (UINTN)OldHandOffHob)) {
+
+ 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.
@@ -102,9 +104,9 @@ Returns: // 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 < (UINTN)OldHandOffHob->EfiFreeMemoryBottom) &&
- ((UINTN)PpiPointer->Ppi->Guid >= (UINTN)OldHandOffHob)) {
+
+ 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.
@@ -117,13 +119,13 @@ Returns: // the notification function in the NOTIFY descriptor needs not be converted.
//
if (Index < PrivateData->PpiData.PpiListEnd &&
- (UINTN)PpiPointer->Ppi->Ppi < (UINTN)OldHandOffHob->EfiFreeMemoryBottom &&
- (UINTN)PpiPointer->Ppi->Ppi >= (UINTN)OldHandOffHob) {
+ (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);
+ PpiPointer->Ppi->Ppi = (VOID *) ((UINTN)PpiPointer->Ppi->Ppi+ Fixup);
}
}
}
@@ -177,7 +179,7 @@ Returns: // by the EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST being set in the last
// EFI_PEI_PPI_DESCRIPTOR in the list.
//
-
+
for (;;) {
//
// Since PpiData is used for NotifyList and InstallList, max resource
@@ -187,7 +189,7 @@ Returns: return EFI_OUT_OF_RESOURCES;
}
//
- // Check if it is a valid PPI.
+ // Check if it is a valid PPI.
// If not, rollback list to exclude all in this list.
// Try to indicate which item failed.
//
@@ -197,14 +199,14 @@ Returns: return EFI_INVALID_PARAMETER;
}
- DEBUG((EFI_D_INFO, "Install PPI: %g\n", PpiList->Guid));
- PrivateData->PpiData.PpiListPtrs[Index].Ppi = (EFI_PEI_PPI_DESCRIPTOR*) PpiList;
+ DEBUG((EFI_D_INFO, "Install PPI: %g\n", PpiList->Guid));
+ PrivateData->PpiData.PpiListPtrs[Index].Ppi = (EFI_PEI_PPI_DESCRIPTOR*) PpiList;
PrivateData->PpiData.PpiListEnd++;
-
+
//
// Continue until the end of the PPI List.
//
- if ((PpiList->Flags & EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST) ==
+ if ((PpiList->Flags & EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST) ==
EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST) {
break;
}
@@ -220,7 +222,7 @@ Returns: EFI_PEI_PPI_DESCRIPTOR_NOTIFY_CALLBACK,
LastCallbackInstall,
PrivateData->PpiData.PpiListEnd,
- PrivateData->PpiData.DispatchListEnd,
+ PrivateData->PpiData.DispatchListEnd,
PrivateData->PpiData.NotifyListEnd
);
@@ -286,7 +288,7 @@ Returns: //
// Remove the old PPI from the database, add the new one.
- //
+ //
DEBUG((EFI_D_INFO, "Reinstall PPI: %g\n", NewPpi->Guid));
PrivateData->PpiData.PpiListPtrs[Index].Ppi = (EFI_PEI_PPI_DESCRIPTOR *) NewPpi;
@@ -298,7 +300,7 @@ Returns: EFI_PEI_PPI_DESCRIPTOR_NOTIFY_CALLBACK,
Index,
Index+1,
- PrivateData->PpiData.DispatchListEnd,
+ PrivateData->PpiData.DispatchListEnd,
PrivateData->PpiData.NotifyListEnd
);
@@ -333,7 +335,7 @@ Arguments: Returns:
- Status - EFI_SUCCESS if the PPI is in the database
+ Status - EFI_SUCCESS if the PPI is in the database
EFI_NOT_FOUND if the PPI is not in the database
--*/
{
@@ -342,7 +344,7 @@ Returns: EFI_GUID *CheckGuid;
EFI_PEI_PPI_DESCRIPTOR *TempPtr;
-
+
PrivateData = PEI_CORE_INSTANCE_FROM_PS_THIS(PeiServices);
//
@@ -440,7 +442,7 @@ Returns: if (Index == PrivateData->PpiData.PpiListEnd - 1) {
return EFI_OUT_OF_RESOURCES;
}
-
+
//
// If some of the PPI data is invalid restore original Notify PPI database value
//
@@ -449,13 +451,13 @@ Returns: DEBUG((EFI_D_ERROR, "ERROR -> InstallNotify: %g %x\n", NotifyList->Guid, NotifyList->Notify));
return EFI_INVALID_PARAMETER;
}
-
+
if ((NotifyList->Flags & EFI_PEI_PPI_DESCRIPTOR_NOTIFY_DISPATCH) != 0) {
- NotifyDispatchCount ++;
- }
-
- PrivateData->PpiData.PpiListPtrs[Index].Notify = (EFI_PEI_NOTIFY_DESCRIPTOR *) NotifyList;
-
+ NotifyDispatchCount ++;
+ }
+
+ PrivateData->PpiData.PpiListPtrs[Index].Notify = (EFI_PEI_NOTIFY_DESCRIPTOR *) NotifyList;
+
PrivateData->PpiData.NotifyListEnd--;
DEBUG((EFI_D_INFO, "Register PPI Notify: %g\n", NotifyList->Guid));
if ((NotifyList->Flags & EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST) ==
@@ -468,26 +470,26 @@ Returns: NotifyList++;
Index--;
}
-
+
//
- // If there is Dispatch Notify PPI installed put them on the bottom
+ // If there is Dispatch Notify PPI installed put them on the bottom
//
if (NotifyDispatchCount > 0) {
- for (NotifyIndex = LastCallbackNotify; NotifyIndex > PrivateData->PpiData.NotifyListEnd; NotifyIndex--) {
+ for (NotifyIndex = LastCallbackNotify; NotifyIndex > PrivateData->PpiData.NotifyListEnd; NotifyIndex--) {
if ((PrivateData->PpiData.PpiListPtrs[NotifyIndex].Notify->Flags & EFI_PEI_PPI_DESCRIPTOR_NOTIFY_DISPATCH) != 0) {
NotifyPtr = PrivateData->PpiData.PpiListPtrs[NotifyIndex].Notify;
-
+
for (Index = NotifyIndex; Index < PrivateData->PpiData.DispatchListEnd; Index++){
PrivateData->PpiData.PpiListPtrs[Index].Notify = PrivateData->PpiData.PpiListPtrs[Index + 1].Notify;
}
PrivateData->PpiData.PpiListPtrs[Index].Notify = NotifyPtr;
- PrivateData->PpiData.DispatchListEnd--;
+ PrivateData->PpiData.DispatchListEnd--;
}
}
-
- LastCallbackNotify -= NotifyDispatchCount;
+
+ LastCallbackNotify -= NotifyDispatchCount;
}
-
+
//
// Dispatch any callback level notifies for all previously installed PPIs.
//
@@ -499,8 +501,8 @@ Returns: LastCallbackNotify,
PrivateData->PpiData.NotifyListEnd
);
-
-
+
+
return EFI_SUCCESS;
}
@@ -525,13 +527,13 @@ Returns: {
INTN TempValue;
-
+
while (TRUE) {
//
// Check if the PEIM that was just dispatched resulted in any
// Notifies getting installed. If so, go process any dispatch
// level Notifies that match the previouly installed PPIs.
- // Use "while" instead of "if" since DispatchNotify can modify
+ // Use "while" instead of "if" since DispatchNotify can modify
// DispatchListEnd (with NotifyPpi) so we have to iterate until the same.
//
while (PrivateData->PpiData.LastDispatchedNotify != PrivateData->PpiData.DispatchListEnd) {
@@ -546,13 +548,13 @@ Returns: );
PrivateData->PpiData.LastDispatchedNotify = TempValue;
}
-
-
+
+
//
// Check if the PEIM that was just dispatched resulted in any
// PPIs getting installed. If so, go process any dispatch
// level Notifies that match the installed PPIs.
- // Use "while" instead of "if" since DispatchNotify can modify
+ // Use "while" instead of "if" since DispatchNotify can modify
// PpiListEnd (with InstallPpi) so we have to iterate until the same.
//
while (PrivateData->PpiData.LastDispatchedInstall != PrivateData->PpiData.PpiListEnd) {
@@ -567,11 +569,11 @@ Returns: );
PrivateData->PpiData.LastDispatchedInstall = TempValue;
}
-
+
if (PrivateData->PpiData.LastDispatchedNotify == PrivateData->PpiData.DispatchListEnd) {
break;
}
- }
+ }
return;
}
@@ -629,8 +631,8 @@ Returns: None (((INT32 *)SearchGuid)[1] == ((INT32 *)CheckGuid)[1]) &&
(((INT32 *)SearchGuid)[2] == ((INT32 *)CheckGuid)[2]) &&
(((INT32 *)SearchGuid)[3] == ((INT32 *)CheckGuid)[3])) {
- DEBUG ((EFI_D_INFO, "Notify: PPI Guid: %g, Peim notify entry point: %x\n",
- SearchGuid,
+ DEBUG ((EFI_D_INFO, "Notify: PPI Guid: %g, Peim notify entry point: %x\n",
+ SearchGuid,
NotifyDescriptor->Notify
));
NotifyDescriptor->Notify (
|