Merge branch of PI tree to main trunk

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@3918 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
klu2
2007-09-24 11:38:43 +00:00
parent f6203b7192
commit b0d803fe3e
34 changed files with 2893 additions and 1393 deletions

View File

@@ -262,6 +262,30 @@ BuildFvHob (
)
;
/**
Builds a EFI_HOB_TYPE_FV2 HOB.
This function builds a EFI_HOB_TYPE_FV2 HOB.
It can only be invoked during PEI phase;
for DXE phase, it will ASSERT() since PEI HOB is read-only for DXE phase.
If there is no additional space for HOB creation, then ASSERT().
@param BaseAddress The base address of the Firmware Volume.
@param Length The size of the Firmware Volume in bytes.
@param FvName The name of the Firmware Volume.
@param FileName The name of the file.
**/
VOID
EFIAPI
BuildFv2Hob (
IN EFI_PHYSICAL_ADDRESS BaseAddress,
IN UINT64 Length,
IN CONST EFI_GUID *FvName,
IN CONST EFI_GUID *FileName
)
;
/**
Builds a Capsule Volume HOB.

View File

@@ -0,0 +1,30 @@
/** @file
MDE PI library functions and macros for PEI phase
Copyright (c) 2007, 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.
**/
#ifndef __PEI_PI_LIB_H__
#define __PEI_PI_LIB_H__
#include <Pi/PiFirmwareFile.h>
VOID
EFIAPI
PeiPiLibBuildPiFvInfoPpi (
IN EFI_PHYSICAL_ADDRESS FvStart,
IN UINT64 FvLength,
IN EFI_GUID *ParentFvName,
IN EFI_GUID *PraentFileName
);
#endif

View File

@@ -293,4 +293,35 @@ PeiServicesResetSystem (
);
EFI_STATUS
EFIAPI
PeiServicesFfsFindByName (
IN CONST EFI_GUID *FileName,
IN CONST EFI_PEI_FV_HANDLE VolumeHandle,
OUT EFI_PEI_FILE_HANDLE *FileHandle
);
EFI_STATUS
EFIAPI
PeiServicesFfsGetFileInfo (
IN CONST EFI_PEI_FILE_HANDLE FileHandle,
OUT EFI_FV_FILE_INFO *FileInfo
);
EFI_STATUS
EFIAPI
PeiServicesFfsGetVolumeInfo (
IN EFI_PEI_FV_HANDLE VolumeHandle,
OUT EFI_FV_INFO *VolumeInfo
);
EFI_STATUS
EFIAPI
PeiServicesRegisterForShadow (
IN EFI_PEI_FILE_HANDLE FileHandle
);
#endif

View File

@@ -30,5 +30,11 @@ GetPeiServicesTablePointer (
VOID
);
VOID
EFIAPI
SetPeiServicesTablePointer (
EFI_PEI_SERVICES ** PeiServicesTablePointer
);
#endif

View File

@@ -75,6 +75,233 @@ GetSectionFromFvFile (
)
;
/**
Identify the device handle from which the Image is loaded from. As this device handle is passed to
GetSectionFromFv as the identifier for a Firmware Volume, an EFI_FIRMWARE_VOLUME2_PROTOCOL
protocol instance should be located succesfully by calling gBS->HandleProtocol ().
This function locates the EFI_LOADED_IMAGE_PROTOCOL instance installed
on ImageHandle. It then returns EFI_LOADED_IMAGE_PROTOCOL.DeviceHandle.
If ImageHandle is NULL, then ASSERT ();
If failed to locate a EFI_LOADED_IMAGE_PROTOCOL on ImageHandle, then ASSERT ();
@param ImageHandle The firmware allocated handle for UEFI image.
@retval EFI_HANDLE The device handle from which the Image is loaded from.
**/
EFI_HANDLE
EFIAPI
ImageHandleToFvHandle (
EFI_HANDLE ImageHandle
)
;
/**
Allocate and fill a buffer from the Firmware Section identified by a Firmware File GUID name and a Firmware
Section type and instance number from the any Firmware Volumes in the system.
The function will read the first Firmware Section found sepcifed by NameGuid and SectionType from the
any Firmware Volume in the system.
The search order for Firmware Volumes in the system is determistic but abitrary if no new Firmware Volume is installed
into the system. The search order for the section specified by SectionType within a Firmware File is defined by
EFI_FIRMWARE_VOLUME2_PROTOCOL.ReadSection (). Please check Section 2.4 of Volume 3: Platform Initialization
Shared Architectural Elements for detailes.
If SectionType is EFI_SECTION_TE, EFI_SECTION_TE will be used as Firmware Section type to read Firmware Section
data from the Firmware File. If no such section exists, EFI_SECTION_PE32 will be used as Firmware Section type to
read Firmware Section data from the Firmware File. If no such section specified is found to match ,
EFI_NOT_FOUND is returned.
The data and size is returned by Buffer and Size. The caller is responsible to free the Buffer allocated
by this function. This function can only be called at TPL_NOTIFY and below.
If NameGuid is NULL, then ASSERT();
If Buffer is NULL, then ASSERT();
If Size is NULL, then ASSERT().
@param NameGuid The GUID name of a Firmware File.
@param SectionType The Firmware Section type.
@param Instance The instance number of Firmware Section to read from starting from 0.
@param Buffer On output, Buffer contains the the data read from the section in the Firmware File found.
@param Size On output, the size of Buffer.
@retval EFI_SUCCESS The image is found and data and size is returned.
@retval EFI_NOT_FOUND The image specified by NameGuid and SectionType can't be found.
@retval EFI_OUT_OF_RESOURCES There were not enough resources to allocate the output data buffer or complete the operations.
@retval EFI_DEVICE_ERROR A hardware error occurs during reading from the Firmware Volume.
@retval EFI_ACCESS_DENIED The firmware volume containing the searched Firmware File is configured to disallow reads.
**/
EFI_STATUS
EFIAPI
GetSectionFromAnyFv (
IN CONST EFI_GUID *NameGuid,
IN EFI_SECTION_TYPE SectionType,
IN UINTN Instance,
OUT VOID **Buffer,
OUT UINTN *Size
)
;
/**
Allocate and fill a buffer from a Firmware Section identified by a Firmware File GUID name, a Firmware
Section type and instance number from the specified Firmware Volume.
This functions first locate the EFI_FIRMWARE_VOLUME2_PROTOCOL protocol instance on FvHandle in order to
carry out the Firmware Volume read operation. The function then reads the Firmware Section found sepcifed
by NameGuid, SectionType and Instance.
The search order for the section specified by SectionType within a Firmware File is defined by
EFI_FIRMWARE_VOLUME2_PROTOCOL.ReadSection (). Please check Section 2.4 of Volume 3: Platform Initialization
Shared Architectural Elements for detailes.
If SectionType is EFI_SECTION_TE, EFI_SECTION_TE will be used as Firmware Section type to read Firmware Section
data from the Firmware File. If no such section exists, EFI_SECTION_PE32 will be used as Firmware Section type to
read Firmware Section data from the Firmware File. If no such section specified is found to match ,
EFI_NOT_FOUND is returned.
The data and size is returned by Buffer and Size. The caller is responsible to free the Buffer allocated
by this function. This function can be only called at TPL_NOTIFY and below.
If FvHandle is NULL, then ASSERT ();
If NameGuid is NULL, then ASSERT();
If Buffer is NULL, then ASSERT();
If Size is NULL, then ASSERT().
@param FvHandle The device handle that contains a instance of EFI_FIRMWARE_VOLUME2_PROTOCOL instance.
@param NameGuid The GUID name of a Firmware File.
@param SectionType The Firmware Section type.
@param Instance The instance number of Firmware Section to read from starting from 0.
@param Buffer On output, Buffer contains the the data read from the section in the Firmware File found.
@param Size On output, the size of Buffer.
@retval EFI_SUCCESS The image is found and data and size is returned.
@retval EFI_UNSUPPORTED FvHandle does not support EFI_FIRMWARE_VOLUME2_PROTOCOL.
@retval EFI_NOT_FOUND The image specified by NameGuid and SectionType can't be found.
@retval EFI_OUT_OF_RESOURCES There were not enough resources to allocate the output data buffer or complete the operations.
@retval EFI_DEVICE_ERROR A hardware error occurs during reading from the Firmware Volume.
@retval EFI_ACCESS_DENIED The firmware volume containing the searched Firmware File is configured to disallow reads.
**/
EFI_STATUS
EFIAPI
GetSectionFromFv (
IN EFI_HANDLE FvHandle,
IN CONST EFI_GUID *NameGuid,
IN EFI_SECTION_TYPE SectionType,
IN UINTN Instance,
OUT VOID **Buffer,
OUT UINTN *Size
)
;
/**
Allocate and fill a buffer from a Firmware Section identified by a Firmware File GUID name, a Firmware
Section type and instance number from the same Firmware Volume with the caller's FFS.
This functions first locates the EFI_FIRMWARE_VOLUME2_PROTOCOL protocol instance for same Firmrware Volume
which also contains the FFS of the caller in order to carry out the Firmware Volume read operation.
The function then reads the Firmware Section found sepcifed by NameGuid, SectionType and Instance.
The search order for the section specified by SectionType within a Firmware File is defined by
EFI_FIRMWARE_VOLUME2_PROTOCOL.ReadSection (). Please check Section 2.4 of Volume 3: Platform Initialization
Shared Architectural Elements for detailes.
If SectionType is EFI_SECTION_TE, EFI_SECTION_TE will be used as Firmware Section type to read Firmware Section
data from the Firmware File. If no such section exists, EFI_SECTION_PE32 will be used as Firmware Section type to
read Firmware Section data from the Firmware File. If no such section specified is found to match ,
EFI_NOT_FOUND is returned.
The data and size is returned by Buffer and Size. The caller is responsible to free the Buffer allocated
by this function. This function can be only called at TPL_NOTIFY and below.
If FvHandle is NULL, then ASSERT ();
If NameGuid is NULL, then ASSERT();
If Buffer is NULL, then ASSERT();
If Size is NULL, then ASSERT().
@param NameGuid The GUID name of a Firmware File.
@param SectionType The Firmware Section type.
@param Instance The instance number of Firmware Section to read from starting from 0.
@param Buffer On output, Buffer contains the the data read from the section in the Firmware File found.
@param Size On output, the size of Buffer.
@retval EFI_SUCCESS The image is found and data and size is returned.
@retval EFI_UNSUPPORTED FvHandle does not support EFI_FIRMWARE_VOLUME2_PROTOCOL.
@retval EFI_NOT_FOUND The image specified by NameGuid and SectionType can't be found.
@retval EFI_OUT_OF_RESOURCES There were not enough resources to allocate the output data buffer or complete the operations.
@retval EFI_DEVICE_ERROR A hardware error occurs during reading from the Firmware Volume.
@retval EFI_ACCESS_DENIED The firmware volume containing the searched Firmware File is configured to disallow reads.
**/
EFI_STATUS
EFIAPI
GetSectionFromCurrentFv (
IN CONST EFI_GUID *NameGuid,
IN EFI_SECTION_TYPE SectionType,
IN UINTN Instance,
OUT VOID **Buffer,
OUT UINTN *Size
)
;
/**
Allocate and fill a buffer from the first Firmware Section in the same Firmware File as the caller of this function.
The function will read the first Firmware Section found sepcifed by NameGuid and SectionType from the
Firmware Volume specified by FvHandle. On this FvHandle, an EFI_FIRMWARE_VOLUME2_PROTOCOL protocol instance
should be located succesfully in order to carry out the Firmware Volume operations.
The search order for the section type specified by SectionType in the Firmware File is using a depth-first
and left-to-right algorithm through all sections. The first section found to match SectionType will be returned.
If SectionType is EFI_SECTION_PE32, EFI_SECTION_PE32 will be used as Firmware Section type
to read Firmware Section data from the Firmware File. If no such section exists, the function will try
to read a Firmware File named with NameGuid. If no such file exists, EFI_NOT_FOUND is returned.
If SectionType is EFI_SECTION_TE, EFI_SECTION_TE will be used as Firmware Section type to read Firmware Section
data from the Firmware File. If no such section exists, EFI_SECTION_PE32 will be used as Firmware Section type to
read Firmware Section data from the Firmware File. If no such section exists, the function will try to read a Firmware
File named with NameGuid. If no such file exists, EFI_NOT_FOUND is returned.
The data and size is returned by Buffer and Size. The caller is responsible to free the Buffer allocated
by this function. This function can only be called at TPL_NOTIFY and below.
If FvHandle is NULL and WithinImage is TRUE, then ASSERT ();
If NameGuid is NULL, then ASSERT();
If Buffer is NULL, then ASSERT();
If Size is NULL, then ASSERT().
@param NameGuid The GUID name of a Firmware File.
@param SectionType The Firmware Section type.
@param Buffer On output, Buffer contains the the data read from the section in the Firmware File found.
@param Size On output, the size of Buffer.
@retval EFI_SUCCESS The image is found and data and size is returned.
@retval EFI_NOT_FOUND The image specified by NameGuid and SectionType can't be found.
@retval EFI_OUT_OF_RESOURCES There were not enough resources to allocate the output data buffer or complete the operations.
@retval EFI_DEVICE_ERROR A hardware error occurs during reading from the Firmware Volume.
@retval EFI_ACCESS_DENIED The firmware volume containing the searched Firmware File is configured to disallow reads.
**/
EFI_STATUS
EFIAPI
GetSectionFromCurrentFfs (
IN EFI_SECTION_TYPE SectionType,
IN UINTN Instance,
OUT VOID **Buffer,
OUT UINTN *Size
)
;
#endif

View File

@@ -51,8 +51,8 @@ typedef struct _EFI_PEI_NOTIFY_DESCRIPTOR EFI_PEI_NOTIFY_DESCRIPTOR;
typedef
EFI_STATUS
(EFIAPI *EFI_PEIM_ENTRY_POINT2)(
IN EFI_PEI_FILE_HANDLE *FileHandle,
IN EFI_PEI_SERVICES **PeiServices
IN EFI_PEI_FILE_HANDLE FileHandle,
IN CONST EFI_PEI_SERVICES **PeiServices
);
/**
@@ -491,7 +491,7 @@ EFI_STATUS
typedef
EFI_STATUS
(EFIAPI *EFI_PEI_RESET_SYSTEM) (
IN EFI_PEI_SERVICES **PeiServices
IN CONST EFI_PEI_SERVICES **PeiServices
);
/**

View File

@@ -16,6 +16,7 @@
#include <Library/DebugLib.h>
#include <Library/MemoryAllocationLib.h>
#include <Library/UefiBootServicesTableLib.h>
#include <Library/PiLib.h>
#include <Protocol/FirmwareVolume2.h>
#include <Protocol/LoadedImage.h>
@@ -40,7 +41,7 @@
**/
STATIC
EFI_STATUS
GetImageFromFv (
InternalGetImageFromFv (
IN EFI_FIRMWARE_VOLUME2_PROTOCOL *Fv,
IN CONST EFI_GUID *NameGuid,
IN EFI_SECTION_TYPE SectionType,
@@ -193,7 +194,7 @@ GetSectionFromFvFile (
(VOID **) &ImageFv
);
if (!EFI_ERROR (Status)) {
Status = GetImageFromFv (ImageFv, NameGuid, SectionType, Buffer, Size);
Status = InternalGetImageFromFv (ImageFv, NameGuid, SectionType, Buffer, Size);
}
}
@@ -231,7 +232,7 @@ GetSectionFromFvFile (
continue;
}
Status = GetImageFromFv (Fv, NameGuid, SectionType, Buffer, Size);
Status = InternalGetImageFromFv (Fv, NameGuid, SectionType, Buffer, Size);
if (!EFI_ERROR (Status)) {
goto Done;
@@ -254,3 +255,216 @@ Done:
return Status;
}
EFI_HANDLE
EFIAPI
ImageHandleToFvHandle (
EFI_HANDLE ImageHandle
)
{
EFI_STATUS Status;
EFI_LOADED_IMAGE_PROTOCOL *LoadedImage;
ASSERT (ImageHandle != NULL);
Status = gBS->HandleProtocol (
(EFI_HANDLE *) ImageHandle,
&gEfiLoadedImageProtocolGuid,
(VOID **) &LoadedImage
);
ASSERT_EFI_ERROR (Status);
return LoadedImage->DeviceHandle;
}
EFI_STATUS
EFIAPI
GetSectionFromAnyFv (
IN CONST EFI_GUID *NameGuid,
IN EFI_SECTION_TYPE SectionType,
IN UINTN Instance,
OUT VOID **Buffer,
OUT UINTN *Size
)
{
EFI_STATUS Status;
EFI_HANDLE *HandleBuffer;
UINTN HandleCount;
UINTN Index;
EFI_HANDLE FvHandle;
EFI_TPL OldTpl;
//
// Search the FV that contain the caller's FFS first.
// FV builder can choose to build FFS into the this FV
// so that this implementation of GetSectionFromAnyFv
// will locate the FFS faster.
//
FvHandle = ImageHandleToFvHandle (gImageHandle);
Status = GetSectionFromFv (
FvHandle,
NameGuid,
SectionType,
Instance,
Buffer,
Size
);
if (!EFI_ERROR (Status)) {
return EFI_SUCCESS;
}
OldTpl = gBS->RaiseTPL (TPL_NOTIFY);
HandleBuffer = NULL;
Status = gBS->LocateHandleBuffer (
ByProtocol,
&gEfiFirmwareVolume2ProtocolGuid,
NULL,
&HandleCount,
&HandleBuffer
);
if (EFI_ERROR (Status)) {
goto Done;
}
for (Index = 0; Index < HandleCount; ++Index) {
//
// Skip the FV that contain the caller's FFS
//
if (HandleBuffer[Index] == FvHandle) {
continue;
}
Status = GetSectionFromFv (
HandleBuffer[Index],
NameGuid,
SectionType,
Instance,
Buffer,
Size
);
if (!EFI_ERROR (Status)) {
goto Done;
}
}
if (Index == HandleCount) {
Status = EFI_NOT_FOUND;
}
Done:
gBS->RestoreTPL (OldTpl);
if (HandleBuffer != NULL) {
FreePool(HandleBuffer);
}
return Status;
}
EFI_STATUS
EFIAPI
GetSectionFromFv (
IN EFI_HANDLE FvHandle,
IN CONST EFI_GUID *NameGuid,
IN EFI_SECTION_TYPE SectionType,
IN UINTN Instance,
OUT VOID **Buffer,
OUT UINTN *Size
)
{
EFI_STATUS Status;
EFI_FIRMWARE_VOLUME2_PROTOCOL *Fv;
UINT32 AuthenticationStatus;
ASSERT (FvHandle != NULL);
Status = gBS->HandleProtocol (
FvHandle,
&gEfiFirmwareVolume2ProtocolGuid,
(VOID **) &Fv
);
if (EFI_ERROR (Status)) {
return Status;
}
//
// Read desired section content in NameGuid file
//
*Buffer = NULL;
*Size = 0;
Status = Fv->ReadSection (
Fv,
NameGuid,
SectionType,
0,
Buffer,
Size,
&AuthenticationStatus
);
if (EFI_ERROR (Status) && (SectionType == EFI_SECTION_TE)) {
//
// Try reading PE32 section, if the required section is TE type
//
*Buffer = NULL;
*Size = 0;
Status = Fv->ReadSection (
Fv,
NameGuid,
EFI_SECTION_PE32,
0,
Buffer,
Size,
&AuthenticationStatus
);
}
return Status;
}
EFI_STATUS
EFIAPI
GetSectionFromCurrentFv (
IN CONST EFI_GUID *NameGuid,
IN EFI_SECTION_TYPE SectionType,
IN UINTN Instance,
OUT VOID **Buffer,
OUT UINTN *Size
)
{
return GetSectionFromFv(
ImageHandleToFvHandle(gImageHandle),
NameGuid,
SectionType,
Instance,
Buffer,
Size
);
}
EFI_STATUS
EFIAPI
GetSectionFromCurrentFfs (
IN EFI_SECTION_TYPE SectionType,
IN UINTN Instance,
OUT VOID **Buffer,
OUT UINTN *Size
)
{
return GetSectionFromFv(
ImageHandleToFvHandle(gImageHandle),
&gEfiCallerIdGuid,
SectionType,
Instance,
Buffer,
Size
);
}

View File

@@ -0,0 +1,67 @@
/** @file
MDE PI library functions and macros for PEI phase
Copyright (c) 2007, 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.
**/
#include <PiPei.h>
#include <Ppi/FirmwareVolumeInfo.h>
#include <Guid/FirmwareFileSystem2.h>
#include <Library/DebugLib.h>
#include <Library/MemoryAllocationLib.h>
#include <Library/PeiServicesLib.h>
#include <Library/PeiPiLib.h>
STATIC CONST EFI_PEI_FIRMWARE_VOLUME_INFO_PPI mFvInfoPpiTemplate = {
EFI_FIRMWARE_FILE_SYSTEM2_GUID,
NULL,
0, //FvInfoSize
NULL, //ParentFvName
NULL //ParentFileName;
};
VOID
EFIAPI
PeiPiLibBuildPiFvInfoPpi (
IN EFI_PHYSICAL_ADDRESS FvStart,
IN UINT64 FvLength,
IN EFI_GUID *ParentFvName,
IN EFI_GUID *ParentFileName
) {
EFI_STATUS Status;
EFI_PEI_FIRMWARE_VOLUME_INFO_PPI *FvInfoPpi;
EFI_PEI_PPI_DESCRIPTOR *FvInfoPpiDescriptor;
FvInfoPpi = AllocateCopyPool (sizeof (*FvInfoPpi), &mFvInfoPpiTemplate);
ASSERT( FvInfoPpi != NULL);
FvInfoPpi->FvInfo = (VOID *) (UINTN) FvStart;
FvInfoPpi->FvInfoSize = (UINT32) FvLength;
FvInfoPpi->ParentFvName = ParentFvName;
FvInfoPpi->ParentFileName = ParentFileName;
FvInfoPpiDescriptor = AllocatePool (sizeof(EFI_PEI_PPI_DESCRIPTOR));
ASSERT (FvInfoPpiDescriptor != NULL);
FvInfoPpiDescriptor->Flags = EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST;
FvInfoPpiDescriptor->Guid = &gEfiPeiFirmwareVolumeInfoPpiGuid;
FvInfoPpiDescriptor->Ppi = (VOID *) FvInfoPpi;
Status = PeiServicesInstallPpi (FvInfoPpiDescriptor);
ASSERT_EFI_ERROR (Status);
}

View File

@@ -0,0 +1,50 @@
#/** @file
# Component description file library instance for PiLib for PEI phase.
#
# Library to abstract utility functions that is related to PI Specification.
#
# Copyright (c) 2007, 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.
#
#
#**/
[Defines]
INF_VERSION = 0x00010005
BASE_NAME = PeiPiLib
FILE_GUID = 6196FE81-4FA4-469a-B759-2C4DFE935B79
MODULE_TYPE = PEIM
VERSION_STRING = 1.0
LIBRARY_CLASS = PiLib|PEIM
EDK_RELEASE_VERSION = 0x00020000
EFI_SPECIFICATION_VERSION = 0x00020000
#
# VALID_ARCHITECTURES = IA32 X64 IPF EBC
#
[Sources.common]
PeiPiLib.c
[Packages]
MdePkg/MdePkg.dec
[LibraryClasses]
MemoryAllocationLib
DebugLib
[Guids]
[Ppis]
gEfiPeiFirmwareVolumeInfoPpiGuid

View File

@@ -379,9 +379,58 @@ EFIAPI
PeiServicesResetSystem (
VOID
)
{
CONST EFI_PEI_SERVICES **PeiServices;
PeiServices = (CONST EFI_PEI_SERVICES **) GetPeiServicesTablePointer ();
return (*PeiServices)->ResetSystem (PeiServices);
}
EFI_STATUS
EFIAPI
PeiServicesRegisterForShadow (
IN EFI_PEI_FILE_HANDLE FileHandle
)
{
EFI_PEI_SERVICES **PeiServices;
PeiServices = GetPeiServicesTablePointer ();
return (*PeiServices)->ResetSystem (PeiServices);
return (*PeiServices)->RegisterForShadow (FileHandle);
}
EFI_STATUS
EFIAPI
PeiServicesFfsGetFileInfo (
IN CONST EFI_PEI_FILE_HANDLE FileHandle,
OUT EFI_FV_FILE_INFO *FileInfo
)
{
EFI_PEI_SERVICES **PeiServices;
PeiServices = GetPeiServicesTablePointer ();
return (*PeiServices)->FfsGetFileInfo (FileHandle, FileInfo);
}
EFI_STATUS
EFIAPI
PeiServicesFfsFindFileByName (
IN CONST EFI_GUID *FileName,
IN CONST EFI_PEI_FV_HANDLE VolumeHandle,
OUT EFI_PEI_FILE_HANDLE *FileHandle
)
{
return (*GetPeiServicesTablePointer())->FfsFindFileByName (FileName, VolumeHandle, FileHandle);
}
EFI_STATUS
EFIAPI
PeiServicesFfsGetVolumeInfo (
IN EFI_PEI_FV_HANDLE VolumeHandle,
OUT EFI_FV_INFO *VolumeInfo
)
{
return (*GetPeiServicesTablePointer())->FfsGetVolumeInfo (VolumeHandle, VolumeInfo);
}

View File

@@ -20,6 +20,15 @@
static EFI_PEI_SERVICES **gPeiServices;
VOID
EFIAPI
SetPeiServicesTablePointer (
EFI_PEI_SERVICES **PeiServices
)
{
gPeiServices = PeiServices;
}
/**
The function returns the pointer to PEI services.

View File

@@ -22,6 +22,15 @@
#include <Library/BaseLib.h>
#include <Library/DebugLib.h>
VOID
EFIAPI
SetPeiServicesTablePointer (
IN EFI_PEI_SERVICES **PeiServices
)
{
AsmWriteMm7 ((UINT64)(UINTN)PeiServices);
}
/**
The function returns the pointer to PeiServices.

View File

@@ -82,6 +82,7 @@
MdePkg/Library/PeiMemoryLib/PeiMemoryLib.inf
MdePkg/Library/PeimEntryPoint/PeimEntryPoint.inf
MdePkg/Library/PeiPcdLib/PeiPcdLib.inf
MdePkg/Library/PeiPiLib/PeiPiLib.inf
MdePkg/Library/PeiResourcePublicationLib/PeiResourcePublicationLib.inf
MdePkg/Library/PeiServicesLib/PeiServicesLib.inf
MdePkg/Library/PeiServicesTablePointerLib/PeiServicesTablePointerLib.inf