X-Git-Url: https://git.proxmox.com/?p=mirror_edk2.git;a=blobdiff_plain;f=MdeModulePkg%2FCore%2FPei%2FPpi%2FPpi.c;h=8089796d7b62ba400cf9bbb09c186a287818b987;hp=28ddd99e3ce2db8824dc6231cf460e8387cb5d3c;hb=cd5ebaa06dca3e6ef3c464081e6defe00d358c69;hpb=40f26b8f443f271f0b6d9df3c0214df4269b7485
diff --git a/MdeModulePkg/Core/Pei/Ppi/Ppi.c b/MdeModulePkg/Core/Pei/Ppi/Ppi.c
index 28ddd99e3c..8089796d7b 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, Intel Corporation
-All rights reserved. This program and the accompanying materials
+Copyright (c) 2006 - 2010, 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
@@ -12,7 +12,7 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
-#include
+#include "PeiMain.h"
/**
@@ -38,11 +38,13 @@ InitializePpiServices (
/**
- Migrate the Hob list from the CAR stack to PEI installed memory.
+ Migrate the Hob list from the temporary memory stack to PEI installed memory.
- @param PeiServices The PEI core services table.
- @param OldCheckingBottom The old checking bottom.
- @param OldCheckingTop The old checking top.
+ @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.
@@ -105,15 +107,17 @@ ConvertPpiPointers (
/**
- Install PPI services.
+ This function installs an interface in the PEI PPI database by GUID.
+ The purpose of the service is to publish an interface that other parties
+ can use to call additional PEIMs.
- @param PeiServices - Pointer to the PEI Service Table
- @param PpiList - Pointer to a list of PEI PPI Descriptors.
+ @param PeiServices An indirect pointer to the EFI_PEI_SERVICES table published by the PEI Foundation.
+ @param PpiList Pointer to a list of PEI PPI Descriptors.
- @retval EFI_SUCCESS - if all PPIs in PpiList are successfully installed.
- @retval EFI_INVALID_PARAMETER - if PpiList is NULL pointer
- @retval EFI_INVALID_PARAMETER - if any PPI in PpiList is not valid
- @retval EFI_OUT_OF_RESOURCES - if there is no more memory resource to install PPI
+ @retval EFI_SUCCESS if all PPIs in PpiList are successfully installed.
+ @retval EFI_INVALID_PARAMETER if PpiList is NULL pointer
+ if any PPI in PpiList is not valid
+ @retval EFI_OUT_OF_RESOURCES if there is no more memory resource to install PPI
**/
EFI_STATUS
@@ -145,8 +149,9 @@ PeiInstallPpi (
for (;;) {
//
- // Since PpiData is used for NotifyList and InstallList, max resource
+ // Since PpiData is used for NotifyList and PpiList, max resource
// is reached if the Install reaches the NotifyList
+ // PcdPeiCoreMaxPpiSupported can be set to a larger value in DSC to satisfy more PPI requirement.
//
if (Index == PrivateData->PpiData.NotifyListEnd + 1) {
return EFI_OUT_OF_RESOURCES;
@@ -158,7 +163,7 @@ PeiInstallPpi (
//
if ((PpiList->Flags & EFI_PEI_PPI_DESCRIPTOR_PPI) == 0) {
PrivateData->PpiData.PpiListEnd = LastCallbackInstall;
- DEBUG((EFI_D_ERROR, "ERROR -> InstallPpi: %g %x\n", PpiList->Guid, PpiList->Ppi));
+ DEBUG((EFI_D_ERROR, "ERROR -> InstallPpi: %g %p\n", PpiList->Guid, PpiList->Ppi));
return EFI_INVALID_PARAMETER;
}
@@ -195,16 +200,19 @@ PeiInstallPpi (
/**
- Re-Install PPI services.
+ This function reinstalls an interface in the PEI PPI database by GUID.
+ The purpose of the service is to publish an interface that other parties can
+ use to replace an interface of the same name in the protocol database with a
+ different interface.
- @param PeiServices - Pointer to the PEI Service Table
- @param OldPpi - Pointer to the old PEI PPI Descriptors.
- @param NewPpi - Pointer to the new PEI PPI Descriptors.
+ @param PeiServices An indirect pointer to the EFI_PEI_SERVICES table published by the PEI Foundation.
+ @param OldPpi Pointer to the old PEI PPI Descriptors.
+ @param NewPpi Pointer to the new PEI PPI Descriptors.
- @retval EFI_SUCCESS - if the operation was successful
- @retval EFI_INVALID_PARAMETER - if OldPpi or NewPpi is NULL
- @retval EFI_INVALID_PARAMETER - if NewPpi is not valid
- @retval EFI_NOT_FOUND - if the PPI was not in the database
+ @retval EFI_SUCCESS if the operation was successful
+ @retval EFI_INVALID_PARAMETER if OldPpi or NewPpi is NULL
+ @retval EFI_INVALID_PARAMETER if NewPpi is not valid
+ @retval EFI_NOT_FOUND if the PPI was not in the database
**/
EFI_STATUS
@@ -246,6 +254,7 @@ PeiReInstallPpi (
// Remove the old PPI from the database, add the new one.
//
DEBUG((EFI_D_INFO, "Reinstall PPI: %g\n", NewPpi->Guid));
+ ASSERT (Index < (INTN)(FixedPcdGet32 (PcdPeiCoreMaxPpiSupported)));
PrivateData->PpiData.PpiListPtrs[Index].Ppi = (EFI_PEI_PPI_DESCRIPTOR *) NewPpi;
//
@@ -269,12 +278,12 @@ PeiReInstallPpi (
Locate a given named PPI.
- @param PeiServices - Pointer to the PEI Service Table
- @param Guid - Pointer to GUID of the PPI.
- @param Instance - Instance Number to discover.
- @param PpiDescriptor - Pointer to reference the found descriptor. If not NULL,
- returns a pointer to the descriptor (includes flags, etc)
- @param Ppi - Pointer to reference the found PPI
+ @param PeiServices An indirect pointer to the EFI_PEI_SERVICES table published by the PEI Foundation.
+ @param Guid Pointer to GUID of the PPI.
+ @param Instance Instance Number to discover.
+ @param PpiDescriptor Pointer to reference the found descriptor. If not NULL,
+ returns a pointer to the descriptor (includes flags, etc)
+ @param Ppi Pointer to reference the found PPI
@retval EFI_SUCCESS if the PPI is in the database
@retval EFI_NOT_FOUND if the PPI is not in the database
@@ -285,9 +294,9 @@ EFIAPI
PeiLocatePpi (
IN CONST EFI_PEI_SERVICES **PeiServices,
IN CONST EFI_GUID *Guid,
- IN UINTN Instance,
- IN OUT EFI_PEI_PPI_DESCRIPTOR **PpiDescriptor,
- IN OUT VOID **Ppi
+ IN UINTN Instance,
+ IN OUT EFI_PEI_PPI_DESCRIPTOR **PpiDescriptor,
+ IN OUT VOID **Ppi
)
{
PEI_CORE_INSTANCE *PrivateData;
@@ -336,10 +345,12 @@ PeiLocatePpi (
/**
- Install a notification for a given PPI.
+ This function installs a notification service to be called back when a given
+ interface is installed or reinstalled. The purpose of the service is to publish
+ an interface that other parties can use to call additional PPIs that may materialize later.
- @param PeiServices - Pointer to the PEI Service Table
- @param NotifyList - Pointer to list of Descriptors to notify upon.
+ @param PeiServices An indirect pointer to the EFI_PEI_SERVICES table published by the PEI Foundation.
+ @param NotifyList Pointer to list of Descriptors to notify upon.
@retval EFI_SUCCESS if successful
@retval EFI_OUT_OF_RESOURCES if no space in the database
@@ -382,6 +393,7 @@ PeiNotifyPpi (
//
// Since PpiData is used for NotifyList and InstallList, max resource
// is reached if the Install reaches the PpiList
+ // PcdPeiCoreMaxPpiSupported can be set to a larger value in DSC to satisfy more Notify PPIs requirement.
//
if (Index == PrivateData->PpiData.PpiListEnd - 1) {
return EFI_OUT_OF_RESOURCES;
@@ -392,7 +404,7 @@ PeiNotifyPpi (
//
if ((NotifyList->Flags & EFI_PEI_PPI_DESCRIPTOR_NOTIFY_TYPES) == 0) {
PrivateData->PpiData.NotifyListEnd = LastCallbackNotify;
- DEBUG((EFI_D_ERROR, "ERROR -> InstallNotify: %g %x\n", NotifyList->Guid, NotifyList->Notify));
+ DEBUG((EFI_D_ERROR, "ERROR -> InstallNotify: %g %p\n", NotifyList->Guid, NotifyList->Notify));
return EFI_INVALID_PARAMETER;
}
@@ -560,12 +572,12 @@ DispatchNotify (
(((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",
+ DEBUG ((EFI_D_INFO, "Notify: PPI Guid: %g, Peim notify entry point: %p\n",
SearchGuid,
NotifyDescriptor->Notify
));
NotifyDescriptor->Notify (
- GetPeiServicesTablePointer (),
+ (EFI_PEI_SERVICES **) GetPeiServicesTablePointer (),
NotifyDescriptor,
(PrivateData->PpiData.PpiListPtrs[Index2].Ppi)->Ppi
);