X-Git-Url: https://git.proxmox.com/?p=mirror_edk2.git;a=blobdiff_plain;f=MdeModulePkg%2FCore%2FPei%2FFwVol%2FFwVol.c;h=fe876ed393a9357bca3d689ab4be8401637ff3b1;hp=181cfa0b5c653b3b5256dc87d9f83ede3eaf1765;hb=387208ab04f54edb75c0853cf1ba1443bd796347;hpb=177aabe660ae3ce78faa3789709619a98017f0a4
diff --git a/MdeModulePkg/Core/Pei/FwVol/FwVol.c b/MdeModulePkg/Core/Pei/FwVol/FwVol.c
index 181cfa0b5c..fe876ed393 100644
--- a/MdeModulePkg/Core/Pei/FwVol/FwVol.c
+++ b/MdeModulePkg/Core/Pei/FwVol/FwVol.c
@@ -1,7 +1,8 @@
-/*++
-
-Copyright (c) 2006 - 2007, Intel Corporation
-All rights reserved. This program and the accompanying materials
+/** @file
+ Pei Core Firmware File System service routines.
+
+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
@@ -9,50 +10,126 @@ 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:
-
- FwVol.c
+**/
-Abstract:
+#include "FwVol.h"
- Pei Core Firmware File System service routines.
-
---*/
-
-#include
+EFI_PEI_NOTIFY_DESCRIPTOR mNotifyOnFvInfoList[] = {
+ {
+ EFI_PEI_PPI_DESCRIPTOR_NOTIFY_CALLBACK,
+ &gEfiPeiFirmwareVolumeInfoPpiGuid,
+ FirmwareVolmeInfoPpiNotifyCallback
+ },
+ {
+ (EFI_PEI_PPI_DESCRIPTOR_NOTIFY_CALLBACK | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),
+ &gEfiPeiFirmwareVolumeInfo2PpiGuid,
+ FirmwareVolmeInfoPpiNotifyCallback
+ }
+};
-STATIC EFI_PEI_NOTIFY_DESCRIPTOR mNotifyOnFvInfoList = {
- (EFI_PEI_PPI_DESCRIPTOR_NOTIFY_CALLBACK | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),
- &gEfiPeiFirmwareVolumeInfoPpiGuid,
- FirmwareVolmeInfoPpiNotifyCallback
+PEI_FW_VOL_INSTANCE mPeiFfs2FwVol = {
+ PEI_FW_VOL_SIGNATURE,
+ FALSE,
+ {
+ PeiFfsFvPpiProcessVolume,
+ PeiFfsFvPpiFindFileByType,
+ PeiFfsFvPpiFindFileByName,
+ PeiFfsFvPpiGetFileInfo,
+ PeiFfsFvPpiGetVolumeInfo,
+ PeiFfsFvPpiFindSectionByType,
+ PeiFfsFvPpiGetFileInfo2,
+ PeiFfsFvPpiFindSectionByType2,
+ EFI_PEI_FIRMWARE_VOLUME_PPI_SIGNATURE,
+ EFI_PEI_FIRMWARE_VOLUME_PPI_REVISION
+ }
};
+PEI_FW_VOL_INSTANCE mPeiFfs3FwVol = {
+ PEI_FW_VOL_SIGNATURE,
+ TRUE,
+ {
+ PeiFfsFvPpiProcessVolume,
+ PeiFfsFvPpiFindFileByType,
+ PeiFfsFvPpiFindFileByName,
+ PeiFfsFvPpiGetFileInfo,
+ PeiFfsFvPpiGetVolumeInfo,
+ PeiFfsFvPpiFindSectionByType,
+ PeiFfsFvPpiGetFileInfo2,
+ PeiFfsFvPpiFindSectionByType2,
+ EFI_PEI_FIRMWARE_VOLUME_PPI_SIGNATURE,
+ EFI_PEI_FIRMWARE_VOLUME_PPI_REVISION
+ }
+};
+
+EFI_PEI_PPI_DESCRIPTOR mPeiFfs2FvPpiList = {
+ (EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),
+ &gEfiFirmwareFileSystem2Guid,
+ &mPeiFfs2FwVol.Fv
+};
-#define GET_OCCUPIED_SIZE(ActualSize, Alignment) \
- (ActualSize) + (((Alignment) - ((ActualSize) & ((Alignment) - 1))) & ((Alignment) - 1))
+EFI_PEI_PPI_DESCRIPTOR mPeiFfs3FvPpiList = {
+ (EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),
+ &gEfiFirmwareFileSystem3Guid,
+ &mPeiFfs3FwVol.Fv
+};
-STATIC
-EFI_FFS_FILE_STATE
-GetFileState(
- IN UINT8 ErasePolarity,
- IN EFI_FFS_FILE_HEADER *FfsHeader
+/**
+Required Alignment Alignment Value in FFS Alignment Value in
+(bytes) Attributes Field Firmware Volume Interfaces
+1 0 0
+16 1 4
+128 2 7
+512 3 9
+1 KB 4 10
+4 KB 5 12
+32 KB 6 15
+64 KB 7 16
+**/
+UINT8 mFvAttributes[] = {0, 4, 7, 9, 10, 12, 15, 16};
+
+/**
+ Convert the FFS File Attributes to FV File Attributes
+
+ @param FfsAttributes The attributes of UINT8 type.
+
+ @return The attributes of EFI_FV_FILE_ATTRIBUTES
+
+**/
+EFI_FV_FILE_ATTRIBUTES
+FfsAttributes2FvFileAttributes (
+ IN EFI_FFS_FILE_ATTRIBUTES FfsAttributes
)
-/*++
+{
+ UINT8 DataAlignment;
+ EFI_FV_FILE_ATTRIBUTES FileAttribute;
+
+ DataAlignment = (UINT8) ((FfsAttributes & FFS_ATTRIB_DATA_ALIGNMENT) >> 3);
+ ASSERT (DataAlignment < 8);
-Routine Description:
+ FileAttribute = (EFI_FV_FILE_ATTRIBUTES) mFvAttributes[DataAlignment];
- Returns the highest bit set of the State field
+ if ((FfsAttributes & FFS_ATTRIB_FIXED) == FFS_ATTRIB_FIXED) {
+ FileAttribute |= EFI_FV_FILE_ATTRIB_FIXED;
+ }
-Arguments:
+ return FileAttribute;
+}
- ErasePolarity - Erase Polarity as defined by EFI_FVB2_ERASE_POLARITY
- in the Attributes field.
- FfsHeader - Pointer to FFS File Header.
+/**
+ Returns the file state set by the highest zero bit in the State field
-Returns:
- Returns the highest bit in the State field
+ @param ErasePolarity Erase Polarity as defined by EFI_FVB2_ERASE_POLARITY
+ in the Attributes field.
+ @param FfsHeader Pointer to FFS File Header.
---*/
+ @retval EFI_FFS_FILE_STATE File state is set by the highest none zero bit
+ in the header State field.
+**/
+EFI_FFS_FILE_STATE
+GetFileState(
+ IN UINT8 ErasePolarity,
+ IN EFI_FFS_FILE_HEADER *FfsHeader
+ )
{
EFI_FFS_FILE_STATE FileState;
EFI_FFS_FILE_STATE HighestBit;
@@ -62,7 +139,10 @@ Returns:
if (ErasePolarity != 0) {
FileState = (EFI_FFS_FILE_STATE)~FileState;
}
-
+
+ //
+ // Get file state set by its highest none zero bit.
+ //
HighestBit = 0x80;
while (HighestBit != 0 && (HighestBit & FileState) == 0) {
HighestBit >>= 1;
@@ -71,68 +151,53 @@ Returns:
return HighestBit;
}
-STATIC
+/**
+ Calculates the checksum of the header of a file.
+
+ @param FileHeader Pointer to FFS File Header.
+
+ @return Checksum of the header.
+ Zero means the header is good.
+ Non-zero means the header is bad.
+**/
UINT8
CalculateHeaderChecksum (
IN EFI_FFS_FILE_HEADER *FileHeader
)
-/*++
-
-Routine Description:
-
- Calculates the checksum of the header of a file.
-
-Arguments:
-
- FileHeader - Pointer to FFS File Header.
-
-Returns:
- Checksum of the header.
-
- The header is zero byte checksum.
- - Zero means the header is good.
- - Non-zero means the header is bad.
-
-
-Bugbug: For PEI performance reason, we comments this code at this time.
---*/
{
- UINT8 *ptr;
- UINTN Index;
- UINT8 Sum;
-
- Sum = 0;
- ptr = (UINT8 *)FileHeader;
+ EFI_FFS_FILE_HEADER2 TestFileHeader;
- for (Index = 0; Index < sizeof(EFI_FFS_FILE_HEADER) - 3; Index += 4) {
- Sum = (UINT8)(Sum + ptr[Index]);
- Sum = (UINT8)(Sum + ptr[Index+1]);
- Sum = (UINT8)(Sum + ptr[Index+2]);
- Sum = (UINT8)(Sum + ptr[Index+3]);
- }
+ if (IS_FFS_FILE2 (FileHeader)) {
+ CopyMem (&TestFileHeader, FileHeader, sizeof (EFI_FFS_FILE_HEADER2));
+ //
+ // Ingore State and File field in FFS header.
+ //
+ TestFileHeader.State = 0;
+ TestFileHeader.IntegrityCheck.Checksum.File = 0;
- for (; Index < sizeof(EFI_FFS_FILE_HEADER); Index++) {
- Sum = (UINT8)(Sum + ptr[Index]);
- }
-
- //
- // State field (since this indicates the different state of file).
- //
- Sum = (UINT8)(Sum - FileHeader->State);
- //
- // Checksum field of the file is not part of the header checksum.
- //
- Sum = (UINT8)(Sum - FileHeader->IntegrityCheck.Checksum.File);
+ return CalculateSum8 ((CONST UINT8 *) &TestFileHeader, sizeof (EFI_FFS_FILE_HEADER2));
+ } else {
+ CopyMem (&TestFileHeader, FileHeader, sizeof (EFI_FFS_FILE_HEADER));
+ //
+ // Ingore State and File field in FFS header.
+ //
+ TestFileHeader.State = 0;
+ TestFileHeader.IntegrityCheck.Checksum.File = 0;
- return Sum;
+ return CalculateSum8 ((CONST UINT8 *) &TestFileHeader, sizeof (EFI_FFS_FILE_HEADER));
+ }
}
-STATIC
-BOOLEAN
-EFIAPI
-PeiFileHandleToVolume (
- IN EFI_PEI_FILE_HANDLE FileHandle,
- OUT EFI_PEI_FV_HANDLE *VolumeHandle
+/**
+ Find FV handler according to FileHandle in that FV.
+
+ @param FileHandle Handle of file image
+
+ @return Pointer to instance of PEI_CORE_FV_HANDLE.
+**/
+PEI_CORE_FV_HANDLE*
+FileHandleToVolume (
+ IN EFI_PEI_FILE_HANDLE FileHandle
)
{
UINTN Index;
@@ -140,65 +205,68 @@ PeiFileHandleToVolume (
EFI_FIRMWARE_VOLUME_HEADER *FwVolHeader;
PrivateData = PEI_CORE_INSTANCE_FROM_PS_THIS (GetPeiServicesTablePointer ());
+
for (Index = 0; Index < PrivateData->FvCount; Index++) {
FwVolHeader = PrivateData->Fv[Index].FvHeader;
if (((UINT64) (UINTN) FileHandle > (UINT64) (UINTN) FwVolHeader ) && \
((UINT64) (UINTN) FileHandle <= ((UINT64) (UINTN) FwVolHeader + FwVolHeader->FvLength - 1))) {
- *VolumeHandle = (EFI_PEI_FV_HANDLE)FwVolHeader;
- return TRUE;
+ return &PrivateData->Fv[Index];
}
}
- return FALSE;
+ return NULL;
}
-
+/**
+ Given the input file pointer, search for the first matching file in the
+ FFS volume as defined by SearchType. The search starts from FileHeader inside
+ the Firmware Volume defined by FwVolHeader.
+ If SearchType is EFI_FV_FILETYPE_ALL, the first FFS file will return without check its file type.
+ If SearchType is PEI_CORE_INTERNAL_FFS_FILE_DISPATCH_TYPE,
+ the first PEIM, or COMBINED PEIM or FV file type FFS file will return.
+
+ @param FvHandle Pointer to the FV header of the volume to search
+ @param FileName File name
+ @param SearchType Filter to find only files of this type.
+ Type EFI_FV_FILETYPE_ALL causes no filtering to be done.
+ @param FileHandle This parameter must point to a valid FFS volume.
+ @param AprioriFile Pointer to AprioriFile image in this FV if has
+
+ @return EFI_NOT_FOUND No files matching the search criteria were found
+ @retval EFI_SUCCESS Success to search given file
+
+**/
EFI_STATUS
-PeiFindFileEx (
+FindFileEx (
IN CONST EFI_PEI_FV_HANDLE FvHandle,
IN CONST EFI_GUID *FileName, OPTIONAL
IN EFI_FV_FILETYPE SearchType,
IN OUT EFI_PEI_FILE_HANDLE *FileHandle,
- IN OUT EFI_PEI_FV_HANDLE *AprioriFile OPTIONAL
- )
-/*++
-
-Routine Description:
- Given the input file pointer, search for the next matching file in the
- FFS volume as defined by SearchType. The search starts from FileHeader inside
- the Firmware Volume defined by FwVolHeader.
-
-Arguments:
- PeiServices - Pointer to the PEI Core Services Table.
- SearchType - Filter to find only files of this type.
- Type EFI_FV_FILETYPE_ALL causes no filtering to be done.
- FwVolHeader - Pointer to the FV header of the volume to search.
- This parameter must point to a valid FFS volume.
- FileHeader - Pointer to the current file from which to begin searching.
- This pointer will be updated upon return to reflect the file found.
- Flag - Indicator for if this is for PEI Dispath search
-
-Returns:
- EFI_NOT_FOUND - No files matching the search criteria were found
- EFI_SUCCESS
-
---*/
+ IN OUT EFI_PEI_FILE_HANDLE *AprioriFile OPTIONAL
+ )
{
- EFI_FIRMWARE_VOLUME_HEADER *FwVolHeader;
+ EFI_FIRMWARE_VOLUME_HEADER *FwVolHeader;
+ EFI_FIRMWARE_VOLUME_EXT_HEADER *FwVolExtHeader;
EFI_FFS_FILE_HEADER **FileHeader;
EFI_FFS_FILE_HEADER *FfsFileHeader;
- EFI_FIRMWARE_VOLUME_EXT_HEADER *FwVolExHeaderInfo;
UINT32 FileLength;
UINT32 FileOccupiedSize;
UINT32 FileOffset;
UINT64 FvLength;
UINT8 ErasePolarity;
UINT8 FileState;
-
- FwVolHeader = (EFI_FIRMWARE_VOLUME_HEADER *)FvHandle;
+ UINT8 DataCheckSum;
+ BOOLEAN IsFfs3Fv;
+
+ //
+ // Convert the handle of FV to FV header for memory-mapped firmware volume
+ //
+ FwVolHeader = (EFI_FIRMWARE_VOLUME_HEADER *) FvHandle;
FileHeader = (EFI_FFS_FILE_HEADER **)FileHandle;
+ IsFfs3Fv = CompareGuid (&FwVolHeader->FileSystemGuid, &gEfiFirmwareFileSystem3Guid);
+
FvLength = FwVolHeader->FvLength;
- if (FwVolHeader->Attributes & EFI_FVB_ERASE_POLARITY) {
+ if ((FwVolHeader->Attributes & EFI_FVB2_ERASE_POLARITY) != 0) {
ErasePolarity = 1;
} else {
ErasePolarity = 0;
@@ -210,24 +278,36 @@ Returns:
// start from the FileHeader.
//
if ((*FileHeader == NULL) || (FileName != NULL)) {
- FfsFileHeader = (EFI_FFS_FILE_HEADER *)((UINT8 *)FwVolHeader + FwVolHeader->HeaderLength);
if (FwVolHeader->ExtHeaderOffset != 0) {
- FwVolExHeaderInfo = (EFI_FIRMWARE_VOLUME_EXT_HEADER *)(((UINT8 *)FwVolHeader) + FwVolHeader->ExtHeaderOffset);
- FfsFileHeader = (EFI_FFS_FILE_HEADER *)(((UINT8 *)FwVolExHeaderInfo) + FwVolExHeaderInfo->ExtHeaderSize);
+ //
+ // Searching for files starts on an 8 byte aligned boundary after the end of the Extended Header if it exists.
+ //
+ FwVolExtHeader = (EFI_FIRMWARE_VOLUME_EXT_HEADER *) ((UINT8 *) FwVolHeader + FwVolHeader->ExtHeaderOffset);
+ FfsFileHeader = (EFI_FFS_FILE_HEADER *) ((UINT8 *) FwVolExtHeader + FwVolExtHeader->ExtHeaderSize);
+ FfsFileHeader = (EFI_FFS_FILE_HEADER *) ALIGN_POINTER (FfsFileHeader, 8);
+ } else {
+ FfsFileHeader = (EFI_FFS_FILE_HEADER *)((UINT8 *) FwVolHeader + FwVolHeader->HeaderLength);
}
} else {
+ if (IS_FFS_FILE2 (*FileHeader)) {
+ if (!IsFfs3Fv) {
+ DEBUG ((EFI_D_ERROR, "It is a FFS3 formatted file: %g in a non-FFS3 formatted FV.\n", &(*FileHeader)->Name));
+ }
+ FileLength = FFS_FILE2_SIZE (*FileHeader);
+ ASSERT (FileLength > 0x00FFFFFF);
+ } else {
+ FileLength = FFS_FILE_SIZE (*FileHeader);
+ }
//
- // Length is 24 bits wide so mask upper 8 bits
// FileLength is adjusted to FileOccupiedSize as it is 8 byte aligned.
//
- FileLength = *(UINT32 *)(*FileHeader)->Size & 0x00FFFFFF;
FileOccupiedSize = GET_OCCUPIED_SIZE (FileLength, 8);
FfsFileHeader = (EFI_FFS_FILE_HEADER *)((UINT8 *)*FileHeader + FileOccupiedSize);
}
-
+
FileOffset = (UINT32) ((UINT8 *)FfsFileHeader - (UINT8 *)FwVolHeader);
ASSERT (FileOffset <= 0xFFFFFFFF);
-
+
while (FileOffset < (FvLength - sizeof (EFI_FFS_FILE_HEADER))) {
//
// Get FileState which is the highest bit of the State
@@ -235,20 +315,56 @@ Returns:
FileState = GetFileState (ErasePolarity, FfsFileHeader);
switch (FileState) {
+ case EFI_FILE_HEADER_CONSTRUCTION:
case EFI_FILE_HEADER_INVALID:
- FileOffset += sizeof(EFI_FFS_FILE_HEADER);
- FfsFileHeader = (EFI_FFS_FILE_HEADER *)((UINT8 *)FfsFileHeader + sizeof(EFI_FFS_FILE_HEADER));
+ if (IS_FFS_FILE2 (FfsFileHeader)) {
+ if (!IsFfs3Fv) {
+ DEBUG ((EFI_D_ERROR, "Found a FFS3 formatted file: %g in a non-FFS3 formatted FV.\n", &FfsFileHeader->Name));
+ }
+ FileOffset += sizeof (EFI_FFS_FILE_HEADER2);
+ FfsFileHeader = (EFI_FFS_FILE_HEADER *) ((UINT8 *) FfsFileHeader + sizeof (EFI_FFS_FILE_HEADER2));
+ } else {
+ FileOffset += sizeof (EFI_FFS_FILE_HEADER);
+ FfsFileHeader = (EFI_FFS_FILE_HEADER *) ((UINT8 *) FfsFileHeader + sizeof (EFI_FFS_FILE_HEADER));
+ }
break;
case EFI_FILE_DATA_VALID:
case EFI_FILE_MARKED_FOR_UPDATE:
if (CalculateHeaderChecksum (FfsFileHeader) != 0) {
ASSERT (FALSE);
+ *FileHeader = NULL;
return EFI_NOT_FOUND;
}
- FileLength = *(UINT32 *)(FfsFileHeader->Size) & 0x00FFFFFF;
- FileOccupiedSize = GET_OCCUPIED_SIZE(FileLength, 8);
+ if (IS_FFS_FILE2 (FfsFileHeader)) {
+ FileLength = FFS_FILE2_SIZE (FfsFileHeader);
+ ASSERT (FileLength > 0x00FFFFFF);
+ FileOccupiedSize = GET_OCCUPIED_SIZE (FileLength, 8);
+ if (!IsFfs3Fv) {
+ DEBUG ((EFI_D_ERROR, "Found a FFS3 formatted file: %g in a non-FFS3 formatted FV.\n", &FfsFileHeader->Name));
+ FileOffset += FileOccupiedSize;
+ FfsFileHeader = (EFI_FFS_FILE_HEADER *) ((UINT8 *) FfsFileHeader + FileOccupiedSize);
+ break;
+ }
+ } else {
+ FileLength = FFS_FILE_SIZE (FfsFileHeader);
+ FileOccupiedSize = GET_OCCUPIED_SIZE (FileLength, 8);
+ }
+
+ DataCheckSum = FFS_FIXED_CHECKSUM;
+ if ((FfsFileHeader->Attributes & FFS_ATTRIB_CHECKSUM) == FFS_ATTRIB_CHECKSUM) {
+ if (IS_FFS_FILE2 (FfsFileHeader)) {
+ DataCheckSum = CalculateCheckSum8 ((CONST UINT8 *) FfsFileHeader + sizeof (EFI_FFS_FILE_HEADER2), FileLength - sizeof(EFI_FFS_FILE_HEADER2));
+ } else {
+ DataCheckSum = CalculateCheckSum8 ((CONST UINT8 *) FfsFileHeader + sizeof (EFI_FFS_FILE_HEADER), FileLength - sizeof(EFI_FFS_FILE_HEADER));
+ }
+ }
+ if (FfsFileHeader->IntegrityCheck.Checksum.File != DataCheckSum) {
+ ASSERT (FALSE);
+ *FileHeader = NULL;
+ return EFI_NOT_FOUND;
+ }
if (FileName != NULL) {
if (CompareGuid (&FfsFileHeader->Name, (EFI_GUID*)FileName)) {
@@ -257,7 +373,8 @@ Returns:
}
} else if (SearchType == PEI_CORE_INTERNAL_FFS_FILE_DISPATCH_TYPE) {
if ((FfsFileHeader->Type == EFI_FV_FILETYPE_PEIM) ||
- (FfsFileHeader->Type == EFI_FV_FILETYPE_COMBINED_PEIM_DRIVER)) {
+ (FfsFileHeader->Type == EFI_FV_FILETYPE_COMBINED_PEIM_DRIVER) ||
+ (FfsFileHeader->Type == EFI_FV_FILETYPE_FIRMWARE_VOLUME_IMAGE)) {
*FileHeader = FfsFileHeader;
return EFI_SUCCESS;
@@ -268,74 +385,130 @@ Returns:
}
}
}
- } else if ((SearchType == FfsFileHeader->Type) || (SearchType == EFI_FV_FILETYPE_ALL)) {
+ } else if (((SearchType == FfsFileHeader->Type) || (SearchType == EFI_FV_FILETYPE_ALL)) &&
+ (FfsFileHeader->Type != EFI_FV_FILETYPE_FFS_PAD)) {
*FileHeader = FfsFileHeader;
return EFI_SUCCESS;
}
- FileOffset += FileOccupiedSize;
- FfsFileHeader = (EFI_FFS_FILE_HEADER *)((UINT8 *)FfsFileHeader + FileOccupiedSize);
+ FileOffset += FileOccupiedSize;
+ FfsFileHeader = (EFI_FFS_FILE_HEADER *)((UINT8 *)FfsFileHeader + FileOccupiedSize);
break;
case EFI_FILE_DELETED:
- FileLength = *(UINT32 *)(FfsFileHeader->Size) & 0x00FFFFFF;
- FileOccupiedSize = GET_OCCUPIED_SIZE(FileLength, 8);
- FileOffset += FileOccupiedSize;
- FfsFileHeader = (EFI_FFS_FILE_HEADER *)((UINT8 *)FfsFileHeader + FileOccupiedSize);
+ if (IS_FFS_FILE2 (FfsFileHeader)) {
+ if (!IsFfs3Fv) {
+ DEBUG ((EFI_D_ERROR, "Found a FFS3 formatted file: %g in a non-FFS3 formatted FV.\n", &FfsFileHeader->Name));
+ }
+ FileLength = FFS_FILE2_SIZE (FfsFileHeader);
+ ASSERT (FileLength > 0x00FFFFFF);
+ } else {
+ FileLength = FFS_FILE_SIZE (FfsFileHeader);
+ }
+ FileOccupiedSize = GET_OCCUPIED_SIZE(FileLength, 8);
+ FileOffset += FileOccupiedSize;
+ FfsFileHeader = (EFI_FFS_FILE_HEADER *)((UINT8 *)FfsFileHeader + FileOccupiedSize);
break;
default:
+ *FileHeader = NULL;
return EFI_NOT_FOUND;
-
}
}
-
+
+ *FileHeader = NULL;
return EFI_NOT_FOUND;
}
+/**
+ Initialize PeiCore Fv List.
+
+ @param PrivateData - Pointer to PEI_CORE_INSTANCE.
+ @param SecCoreData - Pointer to EFI_SEC_PEI_HAND_OFF.
+**/
VOID
PeiInitializeFv (
IN PEI_CORE_INSTANCE *PrivateData,
IN CONST EFI_SEC_PEI_HAND_OFF *SecCoreData
)
-/*++
-
-Routine Description:
-
- Initialize PeiCore Fv List.
-
-Arguments:
- PrivateData - Pointer to PEI_CORE_INSTANCE.
- SecCoreData - Pointer to EFI_SEC_PEI_HAND_OFF.
-
-Returns:
- NONE
-
---*/
{
- EFI_STATUS Status;
+ EFI_STATUS Status;
+ EFI_PEI_FIRMWARE_VOLUME_PPI *FvPpi;
+ EFI_PEI_FV_HANDLE FvHandle;
+ EFI_FIRMWARE_VOLUME_HEADER *BfvHeader;
+
//
- // The BFV must be the first entry. The Core FV support is stateless
- // The AllFV list has a single entry per FV in PEI.
- // The Fv list only includes FV that PEIMs will be dispatched from and
- // its File System Format is PI 1.0 definition.
+ // Install FV_PPI for FFS2 file system.
//
- PrivateData->FvCount = 1;
- PrivateData->Fv[0].FvHeader = (EFI_FIRMWARE_VOLUME_HEADER *)SecCoreData->BootFirmwareVolumeBase;
+ PeiServicesInstallPpi (&mPeiFfs2FvPpiList);
- PrivateData->AllFvCount = 1;
- PrivateData->AllFv[0] = (EFI_PEI_FV_HANDLE)PrivateData->Fv[0].FvHeader;
+ //
+ // Install FV_PPI for FFS3 file system.
+ //
+ PeiServicesInstallPpi (&mPeiFfs3FvPpiList);
+ BfvHeader = (EFI_FIRMWARE_VOLUME_HEADER *)SecCoreData->BootFirmwareVolumeBase;
+
+ //
+ // The FV_PPI in BFV's format should be installed.
+ //
+ Status = PeiServicesLocatePpi (
+ &BfvHeader->FileSystemGuid,
+ 0,
+ NULL,
+ (VOID**)&FvPpi
+ );
+ ASSERT_EFI_ERROR (Status);
+
+ //
+ // Get handle of BFV
+ //
+ FvPpi->ProcessVolume (
+ FvPpi,
+ SecCoreData->BootFirmwareVolumeBase,
+ (UINTN)BfvHeader->FvLength,
+ &FvHandle
+ );
//
- // Post a call-back for the FvInfoPPI services to expose
+ // Update internal PEI_CORE_FV array.
+ //
+ PrivateData->Fv[PrivateData->FvCount].FvHeader = BfvHeader;
+ PrivateData->Fv[PrivateData->FvCount].FvPpi = FvPpi;
+ PrivateData->Fv[PrivateData->FvCount].FvHandle = FvHandle;
+ PrivateData->Fv[PrivateData->FvCount].AuthenticationStatus = 0;
+ DEBUG ((
+ EFI_D_INFO,
+ "The %dth FV start address is 0x%11p, size is 0x%08x, handle is 0x%p\n",
+ (UINT32) PrivateData->FvCount,
+ (VOID *) BfvHeader,
+ BfvHeader->FvLength,
+ FvHandle
+ ));
+ PrivateData->FvCount ++;
+
+ //
+ // Post a call-back for the FvInfoPPI and FvInfo2PPI services to expose
// additional Fvs to PeiCore.
//
- Status = PeiServicesNotifyPpi (&mNotifyOnFvInfoList);
+ Status = PeiServicesNotifyPpi (mNotifyOnFvInfoList);
ASSERT_EFI_ERROR (Status);
}
+
+/**
+ Process Firmware Volum Information once FvInfoPPI or FvInfo2PPI install.
+ The FV Info will be registered into PeiCore private data structure.
+ And search the inside FV image, if found, the new FV INFO(2) PPI will be installed.
+
+ @param PeiServices An indirect pointer to the EFI_PEI_SERVICES table published by the PEI Foundation
+ @param NotifyDescriptor Address of the notification descriptor data structure.
+ @param Ppi Address of the PPI that was installed.
+ @retval EFI_SUCCESS The FV Info is registered into PeiCore private data structure.
+ @return if not EFI_SUCESS, fail to verify FV.
+
+**/
EFI_STATUS
EFIAPI
FirmwareVolmeInfoPpiNotifyCallback (
@@ -343,146 +516,391 @@ FirmwareVolmeInfoPpiNotifyCallback (
IN EFI_PEI_NOTIFY_DESCRIPTOR *NotifyDescriptor,
IN VOID *Ppi
)
-/*++
-
-Routine Description:
-
- Process Firmware Volum Information once FvInfoPPI install.
-
-Arguments:
-
- PeiServices - General purpose services available to every PEIM.
-
-Returns:
-
- Status - EFI_SUCCESS if the interface could be successfully
- installed
-
---*/
{
- UINT8 FvCount;
- EFI_PEI_FIRMWARE_VOLUME_INFO_PPI *Fv;
+ EFI_PEI_FIRMWARE_VOLUME_INFO2_PPI FvInfo2Ppi;
+ EFI_PEI_FIRMWARE_VOLUME_PPI *FvPpi;
PEI_CORE_INSTANCE *PrivateData;
+ EFI_STATUS Status;
+ EFI_PEI_FV_HANDLE FvHandle;
+ UINTN FvIndex;
+ EFI_PEI_FILE_HANDLE FileHandle;
+ VOID *DepexData;
+ BOOLEAN IsFvInfo2;
- PrivateData = PEI_CORE_INSTANCE_FROM_PS_THIS (PeiServices);
+ Status = EFI_SUCCESS;
+ PrivateData = PEI_CORE_INSTANCE_FROM_PS_THIS (PeiServices);
if (PrivateData->FvCount >= FixedPcdGet32 (PcdPeiCoreMaxFvSupported)) {
+ DEBUG ((EFI_D_ERROR, "The number of Fv Images (%d) exceed the max supported FVs (%d) in Pei", PrivateData->FvCount + 1, FixedPcdGet32 (PcdPeiCoreMaxFvSupported)));
+ DEBUG ((EFI_D_ERROR, "PcdPeiCoreMaxFvSupported value need be reconfigurated in DSC"));
ASSERT (FALSE);
}
- Fv = (EFI_PEI_FIRMWARE_VOLUME_INFO_PPI *)Ppi;
-
- if (CompareGuid (&Fv->FvFormat, &gEfiFirmwareFileSystem2Guid)) {
- for (FvCount = 0; FvCount < PrivateData->FvCount; FvCount ++) {
- if ((UINTN)PrivateData->Fv[FvCount].FvHeader == (UINTN)Fv->FvInfo) {
- return EFI_SUCCESS;
- }
- }
- PrivateData->Fv[PrivateData->FvCount++].FvHeader = (EFI_FIRMWARE_VOLUME_HEADER*)Fv->FvInfo;
+ if (CompareGuid (NotifyDescriptor->Guid, &gEfiPeiFirmwareVolumeInfo2PpiGuid)) {
+ //
+ // It is FvInfo2PPI.
+ //
+ CopyMem (&FvInfo2Ppi, Ppi, sizeof (EFI_PEI_FIRMWARE_VOLUME_INFO2_PPI));
+ IsFvInfo2 = TRUE;
+ } else {
+ //
+ // It is FvInfoPPI.
+ //
+ CopyMem (&FvInfo2Ppi, Ppi, sizeof (EFI_PEI_FIRMWARE_VOLUME_INFO_PPI));
+ FvInfo2Ppi.AuthenticationStatus = 0;
+ IsFvInfo2 = FALSE;
}
//
- // Allways add to the All list
+ // Locate the corresponding FV_PPI according to founded FV's format guid
//
- PrivateData->AllFv[PrivateData->AllFvCount++] = (EFI_PEI_FV_HANDLE)Fv->FvInfo;
+ Status = PeiServicesLocatePpi (
+ &FvInfo2Ppi.FvFormat,
+ 0,
+ NULL,
+ (VOID**)&FvPpi
+ );
+ if (!EFI_ERROR (Status)) {
+ //
+ // Process new found FV and get FV handle.
+ //
+ Status = FvPpi->ProcessVolume (FvPpi, FvInfo2Ppi.FvInfo, FvInfo2Ppi.FvInfoSize, &FvHandle);
+ if (EFI_ERROR (Status)) {
+ DEBUG ((EFI_D_ERROR, "Fail to process new found FV, FV may be corrupted!\n"));
+ return Status;
+ }
+
+ //
+ // Check whether the FV has already been processed.
+ //
+ for (FvIndex = 0; FvIndex < PrivateData->FvCount; FvIndex ++) {
+ if (PrivateData->Fv[FvIndex].FvHandle == FvHandle) {
+ if (IsFvInfo2 && (FvInfo2Ppi.AuthenticationStatus != PrivateData->Fv[FvIndex].AuthenticationStatus)) {
+ PrivateData->Fv[FvIndex].AuthenticationStatus = FvInfo2Ppi.AuthenticationStatus;
+ DEBUG ((EFI_D_INFO, "Update AuthenticationStatus of the %dth FV to 0x%x!\n", FvIndex, FvInfo2Ppi.AuthenticationStatus));
+ }
+ DEBUG ((EFI_D_INFO, "The Fv %p has already been processed!\n", FvInfo2Ppi.FvInfo));
+ return EFI_SUCCESS;
+ }
+ }
+ //
+ // Update internal PEI_CORE_FV array.
+ //
+ PrivateData->Fv[PrivateData->FvCount].FvHeader = (EFI_FIRMWARE_VOLUME_HEADER*) FvInfo2Ppi.FvInfo;
+ PrivateData->Fv[PrivateData->FvCount].FvPpi = FvPpi;
+ PrivateData->Fv[PrivateData->FvCount].FvHandle = FvHandle;
+ PrivateData->Fv[PrivateData->FvCount].AuthenticationStatus = FvInfo2Ppi.AuthenticationStatus;
+ DEBUG ((
+ EFI_D_INFO,
+ "The %dth FV start address is 0x%11p, size is 0x%08x, handle is 0x%p\n",
+ (UINT32) PrivateData->FvCount,
+ (VOID *) FvInfo2Ppi.FvInfo,
+ FvInfo2Ppi.FvInfoSize,
+ FvHandle
+ ));
+ PrivateData->FvCount ++;
+
+ //
+ // Scan and process the new discoveried FV for EFI_FV_FILETYPE_FIRMWARE_VOLUME_IMAGE
+ //
+ FileHandle = NULL;
+ do {
+ Status = FvPpi->FindFileByType (
+ FvPpi,
+ EFI_FV_FILETYPE_FIRMWARE_VOLUME_IMAGE,
+ FvHandle,
+ &FileHandle
+ );
+ if (!EFI_ERROR (Status)) {
+ Status = FvPpi->FindSectionByType (
+ FvPpi,
+ EFI_SECTION_PEI_DEPEX,
+ FileHandle,
+ (VOID**)&DepexData
+ );
+ if (!EFI_ERROR (Status)) {
+ if (!PeimDispatchReadiness (PeiServices, DepexData)) {
+ //
+ // Dependency is not satisfied.
+ //
+ continue;
+ }
+ }
+
+ DEBUG ((EFI_D_INFO, "Found firmware volume Image File %p in FV[%d] %p\n", FileHandle, PrivateData->FvCount - 1, FvHandle));
+ ProcessFvFile (PrivateData, &PrivateData->Fv[PrivateData->FvCount - 1], FileHandle);
+ }
+ } while (FileHandle != NULL);
+ } else {
+ DEBUG ((EFI_D_ERROR, "Fail to process FV %p because no corresponding EFI_FIRMWARE_VOLUME_PPI is found!\n", FvInfo2Ppi.FvInfo));
+
+ AddUnknownFormatFvInfo (PrivateData, &FvInfo2Ppi);
+ }
+
return EFI_SUCCESS;
}
+/**
+ Verify the Guided Section GUID by checking if there is the Guided Section GUID HOB recorded the GUID itself.
+
+ @param GuidedSectionGuid The Guided Section GUID.
+ @param GuidedSectionExtraction A pointer to the pointer to the supported Guided Section Extraction Ppi
+ for the Guided Section.
+
+ @return TRUE The GuidedSectionGuid could be identified, and the pointer to
+ the Guided Section Extraction Ppi will be returned to *GuidedSectionExtraction.
+ @return FALSE The GuidedSectionGuid could not be identified, or
+ the Guided Section Extraction Ppi has not been installed yet.
+
+**/
+BOOLEAN
+VerifyGuidedSectionGuid (
+ IN EFI_GUID *GuidedSectionGuid,
+ OUT EFI_PEI_GUIDED_SECTION_EXTRACTION_PPI **GuidedSectionExtraction
+ )
+{
+ EFI_PEI_HOB_POINTERS Hob;
+ EFI_GUID *GuidRecorded;
+ VOID *Interface;
+ EFI_STATUS Status;
+
+ //
+ // Check if there is the Guided Section GUID HOB recorded the GUID itself.
+ //
+ Hob.Raw = GetFirstGuidHob (GuidedSectionGuid);
+ if (Hob.Raw != NULL) {
+ GuidRecorded = (EFI_GUID *) GET_GUID_HOB_DATA (Hob);
+ if (CompareGuid (GuidRecorded, GuidedSectionGuid)) {
+ //
+ // Found the recorded GuidedSectionGuid.
+ //
+ Status = PeiServicesLocatePpi (GuidedSectionGuid, 0, NULL, (VOID **) &Interface);
+ if (!EFI_ERROR (Status) && Interface != NULL) {
+ //
+ // Found the supported Guided Section Extraction Ppi for the Guided Section.
+ //
+ *GuidedSectionExtraction = (EFI_PEI_GUIDED_SECTION_EXTRACTION_PPI *) Interface;
+ return TRUE;
+ }
+ return FALSE;
+ }
+ }
+
+ return FALSE;
+}
+
+/**
+ Go through the file to search SectionType section.
+ Search within encapsulation sections (compression and GUIDed) recursively,
+ until the match section is found.
+
+ @param PeiServices An indirect pointer to the EFI_PEI_SERVICES table published by the PEI Foundation.
+ @param SectionType Filter to find only section of this type.
+ @param SectionInstance Pointer to the filter to find the specific instance of section.
+ @param Section From where to search.
+ @param SectionSize The file size to search.
+ @param OutputBuffer A pointer to the discovered section, if successful.
+ NULL if section not found
+ @param AuthenticationStatus Updated upon return to point to the authentication status for this section.
+ @param IsFfs3Fv Indicates the FV format.
+
+ @return EFI_NOT_FOUND The match section is not found.
+ @return EFI_SUCCESS The match section is found.
+
+**/
EFI_STATUS
-PeiFfsProcessSection (
+ProcessSection (
IN CONST EFI_PEI_SERVICES **PeiServices,
IN EFI_SECTION_TYPE SectionType,
+ IN OUT UINTN *SectionInstance,
IN EFI_COMMON_SECTION_HEADER *Section,
IN UINTN SectionSize,
OUT VOID **OutputBuffer,
- OUT UINTN *OutputSize,
- OUT UINT32 *Authentication
+ OUT UINT32 *AuthenticationStatus,
+ IN BOOLEAN IsFfs3Fv
)
-/*++
-
-Routine Description:
-
- Go through the file to search SectionType section,
- when meeting an encapsuled section, search recursively.
-
-Arguments:
- PeiServices - Pointer to the PEI Core Services Table.
- SearchType - Filter to find only section of this type.
- Section - From where to search.
- SectionSize - The file size to search.
- OutputBuffer - Pointer to the section to search.
- OutputSize - The size of the section to search.
- Authentication - Authenticate the section.
-
-Returns:
- EFI_STATUS
-
---*/
{
EFI_STATUS Status;
UINT32 SectionLength;
UINT32 ParsedLength;
- EFI_GUID_DEFINED_SECTION *GuidSection;
EFI_PEI_GUIDED_SECTION_EXTRACTION_PPI *GuidSectionPpi;
- EFI_COMPRESSION_SECTION *CompressionSection;
EFI_PEI_DECOMPRESS_PPI *DecompressPpi;
VOID *PpiOutput;
UINTN PpiOutputSize;
-
+ UINTN Index;
+ UINT32 Authentication;
+ PEI_CORE_INSTANCE *PrivateData;
+ EFI_GUID *SectionDefinitionGuid;
+ BOOLEAN SectionCached;
+ VOID *TempOutputBuffer;
+ UINT32 TempAuthenticationStatus;
+
+ PrivateData = PEI_CORE_INSTANCE_FROM_PS_THIS (PeiServices);
*OutputBuffer = NULL;
- ParsedLength = 0;
+ ParsedLength = 0;
+ Index = 0;
+ Status = EFI_NOT_FOUND;
+ PpiOutput = NULL;
+ PpiOutputSize = 0;
while (ParsedLength < SectionSize) {
+
+ if (IS_SECTION2 (Section)) {
+ ASSERT (SECTION2_SIZE (Section) > 0x00FFFFFF);
+ if (!IsFfs3Fv) {
+ DEBUG ((EFI_D_ERROR, "Found a FFS3 formatted section in a non-FFS3 formatted FV.\n"));
+ SectionLength = SECTION2_SIZE (Section);
+ //
+ // SectionLength is adjusted it is 4 byte aligned.
+ // Go to the next section
+ //
+ SectionLength = GET_OCCUPIED_SIZE (SectionLength, 4);
+ ASSERT (SectionLength != 0);
+ ParsedLength += SectionLength;
+ Section = (EFI_COMMON_SECTION_HEADER *) ((UINT8 *) Section + SectionLength);
+ continue;
+ }
+ }
+
if (Section->Type == SectionType) {
- *OutputBuffer = (VOID *)(Section + 1);
- return EFI_SUCCESS;
- } else if (Section->Type == EFI_SECTION_GUID_DEFINED) {
- GuidSection = (EFI_GUID_DEFINED_SECTION *)Section;
- Status = PeiServicesLocatePpi (&GuidSection->SectionDefinitionGuid, 0, NULL, (VOID **) &GuidSectionPpi);
- if (!EFI_ERROR (Status)) {
- Status = GuidSectionPpi->ExtractSection (
- GuidSectionPpi,
- Section,
- &PpiOutput,
- &PpiOutputSize,
- Authentication
- );
- if (!EFI_ERROR (Status)) {
- return PeiFfsProcessSection (
- PeiServices,
- SectionType,
- PpiOutput,
- PpiOutputSize,
- OutputBuffer,
- OutputSize,
- Authentication
- );
+ //
+ // The type matches, so check the instance count to see if it's the one we want.
+ //
+ (*SectionInstance)--;
+ if (*SectionInstance == 0) {
+ //
+ // Got it!
+ //
+ if (IS_SECTION2 (Section)) {
+ *OutputBuffer = (VOID *)((UINT8 *) Section + sizeof (EFI_COMMON_SECTION_HEADER2));
+ } else {
+ *OutputBuffer = (VOID *)((UINT8 *) Section + sizeof (EFI_COMMON_SECTION_HEADER));
}
+ return EFI_SUCCESS;
+ } else {
+ if (IS_SECTION2 (Section)) {
+ SectionLength = SECTION2_SIZE (Section);
+ } else {
+ SectionLength = SECTION_SIZE (Section);
+ }
+ //
+ // SectionLength is adjusted it is 4 byte aligned.
+ // Go to the next section
+ //
+ SectionLength = GET_OCCUPIED_SIZE (SectionLength, 4);
+ ASSERT (SectionLength != 0);
+ ParsedLength += SectionLength;
+ Section = (EFI_COMMON_SECTION_HEADER *)((UINT8 *)Section + SectionLength);
+ continue;
}
- } else if (Section->Type == EFI_SECTION_COMPRESSION) {
- CompressionSection = (EFI_COMPRESSION_SECTION *)Section;
- Status = PeiServicesLocatePpi (&gEfiPeiDecompressPpiGuid, 0, NULL, (VOID **) &DecompressPpi);
- if (!EFI_ERROR (Status)) {
- Status = DecompressPpi->Decompress (
- DecompressPpi,
- CompressionSection,
- &PpiOutput,
- &PpiOutputSize
- );
+ } else if ((Section->Type == EFI_SECTION_GUID_DEFINED) || (Section->Type == EFI_SECTION_COMPRESSION)) {
+ //
+ // Check the encapsulated section is extracted into the cache data.
+ //
+ SectionCached = FALSE;
+ for (Index = 0; Index < PrivateData->CacheSection.AllSectionCount; Index ++) {
+ if (Section == PrivateData->CacheSection.Section[Index]) {
+ SectionCached = TRUE;
+ PpiOutput = PrivateData->CacheSection.SectionData[Index];
+ PpiOutputSize = PrivateData->CacheSection.SectionSize[Index];
+ Authentication = PrivateData->CacheSection.AuthenticationStatus[Index];
+ //
+ // Search section directly from the cache data.
+ //
+ TempAuthenticationStatus = 0;
+ Status = ProcessSection (
+ PeiServices,
+ SectionType,
+ SectionInstance,
+ PpiOutput,
+ PpiOutputSize,
+ &TempOutputBuffer,
+ &TempAuthenticationStatus,
+ IsFfs3Fv
+ );
+ if (!EFI_ERROR (Status)) {
+ *OutputBuffer = TempOutputBuffer;
+ *AuthenticationStatus = TempAuthenticationStatus | Authentication;
+ return EFI_SUCCESS;
+ }
+ }
+ }
+
+ //
+ // If SectionCached is TRUE, the section data has been cached and scanned.
+ //
+ if (!SectionCached) {
+ Status = EFI_NOT_FOUND;
+ Authentication = 0;
+ if (Section->Type == EFI_SECTION_GUID_DEFINED) {
+ if (IS_SECTION2 (Section)) {
+ SectionDefinitionGuid = &((EFI_GUID_DEFINED_SECTION2 *)Section)->SectionDefinitionGuid;
+ } else {
+ SectionDefinitionGuid = &((EFI_GUID_DEFINED_SECTION *)Section)->SectionDefinitionGuid;
+ }
+ if (VerifyGuidedSectionGuid (SectionDefinitionGuid, &GuidSectionPpi)) {
+ Status = GuidSectionPpi->ExtractSection (
+ GuidSectionPpi,
+ Section,
+ &PpiOutput,
+ &PpiOutputSize,
+ &Authentication
+ );
+ }
+ } else if (Section->Type == EFI_SECTION_COMPRESSION) {
+ Status = PeiServicesLocatePpi (&gEfiPeiDecompressPpiGuid, 0, NULL, (VOID **) &DecompressPpi);
+ if (!EFI_ERROR (Status)) {
+ Status = DecompressPpi->Decompress (
+ DecompressPpi,
+ (CONST EFI_COMPRESSION_SECTION*) Section,
+ &PpiOutput,
+ &PpiOutputSize
+ );
+ }
+ }
+
if (!EFI_ERROR (Status)) {
- return PeiFfsProcessSection (
- PeiServices, SectionType, PpiOutput, PpiOutputSize, OutputBuffer, OutputSize, Authentication
- );
+ //
+ // Update cache section data.
+ //
+ if (PrivateData->CacheSection.AllSectionCount < CACHE_SETION_MAX_NUMBER) {
+ PrivateData->CacheSection.AllSectionCount ++;
+ }
+ PrivateData->CacheSection.Section [PrivateData->CacheSection.SectionIndex] = Section;
+ PrivateData->CacheSection.SectionData [PrivateData->CacheSection.SectionIndex] = PpiOutput;
+ PrivateData->CacheSection.SectionSize [PrivateData->CacheSection.SectionIndex] = PpiOutputSize;
+ PrivateData->CacheSection.AuthenticationStatus [PrivateData->CacheSection.SectionIndex] = Authentication;
+ PrivateData->CacheSection.SectionIndex = (PrivateData->CacheSection.SectionIndex + 1)%CACHE_SETION_MAX_NUMBER;
+
+ TempAuthenticationStatus = 0;
+ Status = ProcessSection (
+ PeiServices,
+ SectionType,
+ SectionInstance,
+ PpiOutput,
+ PpiOutputSize,
+ &TempOutputBuffer,
+ &TempAuthenticationStatus,
+ IsFfs3Fv
+ );
+ if (!EFI_ERROR (Status)) {
+ *OutputBuffer = TempOutputBuffer;
+ *AuthenticationStatus = TempAuthenticationStatus | Authentication;
+ return EFI_SUCCESS;
+ }
}
}
}
+ if (IS_SECTION2 (Section)) {
+ SectionLength = SECTION2_SIZE (Section);
+ } else {
+ SectionLength = SECTION_SIZE (Section);
+ }
//
- // Size is 24 bits wide so mask upper 8 bits.
// SectionLength is adjusted it is 4 byte aligned.
// Go to the next section
//
- SectionLength = *(UINT32 *)Section->Size & 0x00FFFFFF;
SectionLength = GET_OCCUPIED_SIZE (SectionLength, 4);
ASSERT (SectionLength != 0);
ParsedLength += SectionLength;
@@ -493,246 +911,676 @@ Returns:
}
+/**
+ Searches for the next matching section within the specified file.
+
+ @param PeiServices An indirect pointer to the EFI_PEI_SERVICES table published by the PEI Foundation
+ @param SectionType Filter to find only sections of this type.
+ @param FileHandle Pointer to the current file to search.
+ @param SectionData A pointer to the discovered section, if successful.
+ NULL if section not found
+
+ @retval EFI_NOT_FOUND The section was not found.
+ @retval EFI_SUCCESS The section was found.
+
+**/
EFI_STATUS
EFIAPI
PeiFfsFindSectionData (
- IN CONST EFI_PEI_SERVICES **PeiServices,
+ IN CONST EFI_PEI_SERVICES **PeiServices,
IN EFI_SECTION_TYPE SectionType,
IN EFI_PEI_FILE_HANDLE FileHandle,
- IN OUT VOID **SectionData
+ OUT VOID **SectionData
)
-/*++
+{
+ PEI_CORE_FV_HANDLE *CoreFvHandle;
+
+ CoreFvHandle = FileHandleToVolume (FileHandle);
+ if ((CoreFvHandle == NULL) || (CoreFvHandle->FvPpi == NULL)) {
+ return EFI_NOT_FOUND;
+ }
+
+ return CoreFvHandle->FvPpi->FindSectionByType (CoreFvHandle->FvPpi, SectionType, FileHandle, SectionData);
+}
-Routine Description:
- Given the input file pointer, search for the next matching section in the
- FFS volume.
+/**
+ Searches for the next matching section within the specified file.
-Arguments:
- PeiServices - Pointer to the PEI Core Services Table.
- SearchType - Filter to find only sections of this type.
- FfsFileHeader - Pointer to the current file to search.
- SectionData - Pointer to the Section matching SectionType in FfsFileHeader.
- - NULL if section not found
+ @param PeiServices An indirect pointer to the EFI_PEI_SERVICES table published by the PEI Foundation.
+ @param SectionType The value of the section type to find.
+ @param SectionInstance Section instance to find.
+ @param FileHandle Handle of the firmware file to search.
+ @param SectionData A pointer to the discovered section, if successful.
+ @param AuthenticationStatus A pointer to the authentication status for this section.
-Returns:
- EFI_NOT_FOUND - No files matching the search criteria were found
- EFI_SUCCESS
+ @retval EFI_SUCCESS The section was found.
+ @retval EFI_NOT_FOUND The section was not found.
---*/
+**/
+EFI_STATUS
+EFIAPI
+PeiFfsFindSectionData3 (
+ IN CONST EFI_PEI_SERVICES **PeiServices,
+ IN EFI_SECTION_TYPE SectionType,
+ IN UINTN SectionInstance,
+ IN EFI_PEI_FILE_HANDLE FileHandle,
+ OUT VOID **SectionData,
+ OUT UINT32 *AuthenticationStatus
+ )
{
- EFI_FFS_FILE_HEADER *FfsFileHeader;
- UINT32 FileSize;
- EFI_COMMON_SECTION_HEADER *Section;
- UINTN OutputSize;
- UINT32 AuthenticationStatus;
-
-
- FfsFileHeader = (EFI_FFS_FILE_HEADER *)(FileHandle);
+ PEI_CORE_FV_HANDLE *CoreFvHandle;
+
+ CoreFvHandle = FileHandleToVolume (FileHandle);
+ if ((CoreFvHandle == NULL) || (CoreFvHandle->FvPpi == NULL)) {
+ return EFI_NOT_FOUND;
+ }
+ if ((CoreFvHandle->FvPpi->Signature == EFI_PEI_FIRMWARE_VOLUME_PPI_SIGNATURE) &&
+ (CoreFvHandle->FvPpi->Revision == EFI_PEI_FIRMWARE_VOLUME_PPI_REVISION)) {
+ return CoreFvHandle->FvPpi->FindSectionByType2 (CoreFvHandle->FvPpi, SectionType, SectionInstance, FileHandle, SectionData, AuthenticationStatus);
+ }
//
- // Size is 24 bits wide so mask upper 8 bits.
- // Does not include FfsFileHeader header size
- // FileSize is adjusted to FileOccupiedSize as it is 8 byte aligned.
+ // The old FvPpi doesn't support to find section by section instance
+ // and return authentication status, so return EFI_UNSUPPORTED.
//
- Section = (EFI_COMMON_SECTION_HEADER *)(FfsFileHeader + 1);
- FileSize = *(UINT32 *)(FfsFileHeader->Size) & 0x00FFFFFF;
- FileSize -= sizeof (EFI_FFS_FILE_HEADER);
-
- return PeiFfsProcessSection (
- PeiServices,
- SectionType,
- Section,
- FileSize,
- SectionData,
- &OutputSize,
- &AuthenticationStatus
- );
+ return EFI_UNSUPPORTED;
}
+/**
+ Searches for the next matching file in the firmware volume.
-EFI_STATUS
-FindNextPeim (
- IN EFI_PEI_SERVICES **PeiServices,
- IN EFI_FIRMWARE_VOLUME_HEADER *FwVolHeader,
- IN OUT EFI_FFS_FILE_HEADER **PeimFileHeader
- )
-/*++
-
-Routine Description:
- Given the input file pointer, search for the next matching file in the
- FFS volume. The search starts from FileHeader inside
- the Firmware Volume defined by FwVolHeader.
-
-Arguments:
- PeiServices - Pointer to the PEI Core Services Table.
-
- FwVolHeader - Pointer to the FV header of the volume to search.
- This parameter must point to a valid FFS volume.
-
- PeimFileHeader - Pointer to the current file from which to begin searching.
- This pointer will be updated upon return to reflect the file found.
-
-Returns:
- EFI_NOT_FOUND - No files matching the search criteria were found
- EFI_SUCCESS
+ @param PeiServices An indirect pointer to the EFI_PEI_SERVICES table published by the PEI Foundation.
+ @param SearchType Filter to find only files of this type.
+ Type EFI_FV_FILETYPE_ALL causes no filtering to be done.
+ @param FvHandle Handle of firmware volume in which to search.
+ @param FileHandle On entry, points to the current handle from which to begin searching or NULL to start
+ at the beginning of the firmware volume. On exit, points the file handle of the next file
+ in the volume or NULL if there are no more files.
---*/
-{
- return PeiFindFileEx (
- (EFI_PEI_FV_HANDLE) FwVolHeader,
- NULL,
- EFI_FV_FILETYPE_PEIM,
- (EFI_PEI_FILE_HANDLE *)PeimFileHeader,
- NULL
- );
-}
+ @retval EFI_NOT_FOUND The file was not found.
+ @retval EFI_NOT_FOUND The header checksum was not zero.
+ @retval EFI_SUCCESS The file was found.
+**/
EFI_STATUS
EFIAPI
PeiFfsFindNextFile (
IN CONST EFI_PEI_SERVICES **PeiServices,
IN UINT8 SearchType,
- IN EFI_PEI_FV_HANDLE VolumeHandle,
+ IN EFI_PEI_FV_HANDLE FvHandle,
IN OUT EFI_PEI_FILE_HANDLE *FileHandle
)
-/*++
+{
+ PEI_CORE_FV_HANDLE *CoreFvHandle;
+
+ CoreFvHandle = FvHandleToCoreHandle (FvHandle);
+
+ //
+ // To make backward compatiblity, if can not find corresponding the handle of FV
+ // then treat FV as build-in FFS2/FFS3 format and memory mapped FV that FV handle is pointed
+ // to the address of first byte of FV.
+ //
+ if ((CoreFvHandle == NULL) && FeaturePcdGet (PcdFrameworkCompatibilitySupport)) {
+ return FindFileEx (FvHandle, NULL, SearchType, FileHandle, NULL);
+ }
+
+ if ((CoreFvHandle == NULL) || CoreFvHandle->FvPpi == NULL) {
+ return EFI_NOT_FOUND;
+ }
+
+ return CoreFvHandle->FvPpi->FindFileByType (CoreFvHandle->FvPpi, SearchType, FvHandle, FileHandle);
+}
-Routine Description:
- Given the input file pointer, search for the next matching file in the
- FFS volume as defined by SearchType. The search starts from FileHeader inside
- the Firmware Volume defined by FwVolHeader.
-Arguments:
- PeiServices - Pointer to the PEI Core Services Table.
-
- SearchType - Filter to find only files of this type.
- Type EFI_FV_FILETYPE_ALL causes no filtering to be done.
-
- FwVolHeader - Pointer to the FV header of the volume to search.
- This parameter must point to a valid FFS volume.
-
- FileHeader - Pointer to the current file from which to begin searching.
- This pointer will be updated upon return to reflect the file found.
-
-Returns:
- EFI_NOT_FOUND - No files matching the search criteria were found
- EFI_SUCCESS
+/**
+ Search the firmware volumes by index
---*/
-{
- return PeiFindFileEx (VolumeHandle, NULL, SearchType, FileHandle, NULL);
-}
+ @param PeiServices An indirect pointer to the EFI_PEI_SERVICES table published by the PEI Foundation
+ @param Instance This instance of the firmware volume to find. The value 0 is the Boot Firmware
+ Volume (BFV).
+ @param VolumeHandle On exit, points to the next volume handle or NULL if it does not exist.
+ @retval EFI_INVALID_PARAMETER VolumeHandle is NULL
+ @retval EFI_NOT_FOUND The volume was not found.
+ @retval EFI_SUCCESS The volume was found.
+**/
EFI_STATUS
EFIAPI
-PeiFvFindNextVolume (
- IN CONST EFI_PEI_SERVICES **PeiServices,
+PeiFfsFindNextVolume (
+ IN CONST EFI_PEI_SERVICES **PeiServices,
IN UINTN Instance,
IN OUT EFI_PEI_FV_HANDLE *VolumeHandle
)
-/*++
+{
+ PEI_CORE_INSTANCE *Private;
+ PEI_CORE_FV_HANDLE *CoreFvHandle;
+
+ if (VolumeHandle == NULL) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ Private = PEI_CORE_INSTANCE_FROM_PS_THIS (PeiServices);
+
+ CoreFvHandle = FindNextCoreFvHandle (Private, Instance);
+ if (CoreFvHandle == NULL) {
+ *VolumeHandle = NULL;
+ return EFI_NOT_FOUND;
+ }
+
+ *VolumeHandle = CoreFvHandle->FvHandle;
+
+ return EFI_SUCCESS;
+}
-Routine Description:
- Return the BFV location
+/**
+ Find a file within a volume by its name.
- BugBug -- Move this to the location of this code to where the
- other FV and FFS support code lives.
- Also, update to use FindFV for instances #'s >= 1.
+ @param FileName A pointer to the name of the file to find within the firmware volume.
+ @param VolumeHandle The firmware volume to search
+ @param FileHandle Upon exit, points to the found file's handle
+ or NULL if it could not be found.
-Arguments:
+ @retval EFI_SUCCESS File was found.
+ @retval EFI_NOT_FOUND File was not found.
+ @retval EFI_INVALID_PARAMETER VolumeHandle or FileHandle or FileName was NULL.
- PeiServices - The PEI core services table.
- Instance - Instance of FV to find
- FwVolHeader - Pointer to contain the data to return
+**/
+EFI_STATUS
+EFIAPI
+PeiFfsFindFileByName (
+ IN CONST EFI_GUID *FileName,
+ IN EFI_PEI_FV_HANDLE VolumeHandle,
+ OUT EFI_PEI_FILE_HANDLE *FileHandle
+ )
+{
+ PEI_CORE_FV_HANDLE *CoreFvHandle;
+
+ if ((VolumeHandle == NULL) || (FileName == NULL) || (FileHandle == NULL)) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ CoreFvHandle = FvHandleToCoreHandle (VolumeHandle);
+ if ((CoreFvHandle == NULL) || (CoreFvHandle->FvPpi == NULL)) {
+ return EFI_NOT_FOUND;
+ }
+
+ return CoreFvHandle->FvPpi->FindFileByName (CoreFvHandle->FvPpi, FileName, &VolumeHandle, FileHandle);
+}
-Returns:
- Pointer to the Firmware Volume instance requested
+/**
+ Returns information about a specific file.
- EFI_INVALID_PARAMETER - FwVolHeader is NULL
-
- EFI_SUCCESS - Firmware volume instance successfully found.
+ @param FileHandle Handle of the file.
+ @param FileInfo Upon exit, points to the file's information.
---*/
-{
- PEI_CORE_INSTANCE *Private;
+ @retval EFI_INVALID_PARAMETER If FileInfo is NULL.
+ @retval EFI_INVALID_PARAMETER If FileHandle does not represent a valid file.
+ @retval EFI_SUCCESS File information returned.
- Private = PEI_CORE_INSTANCE_FROM_PS_THIS (PeiServices);
- if (VolumeHandle == NULL) {
- return EFI_INVALID_PARAMETER;
- }
+**/
+EFI_STATUS
+EFIAPI
+PeiFfsGetFileInfo (
+ IN EFI_PEI_FILE_HANDLE FileHandle,
+ OUT EFI_FV_FILE_INFO *FileInfo
+ )
+{
+ PEI_CORE_FV_HANDLE *CoreFvHandle;
+
+ if ((FileHandle == NULL) || (FileInfo == NULL)) {
+ return EFI_INVALID_PARAMETER;
+ }
- if (Instance >= Private->AllFvCount) {
- VolumeHandle = NULL;
- return EFI_NOT_FOUND;
+ //
+ // Retrieve the FirmwareVolume which the file resides in.
+ //
+ CoreFvHandle = FileHandleToVolume (FileHandle);
+ if ((CoreFvHandle == NULL) || (CoreFvHandle->FvPpi == NULL)) {
+ return EFI_INVALID_PARAMETER;
}
- *VolumeHandle = Private->AllFv[Instance];
- return EFI_SUCCESS;
+ return CoreFvHandle->FvPpi->GetFileInfo (CoreFvHandle->FvPpi, FileHandle, FileInfo);
}
+/**
+ Returns information about a specific file.
+ @param FileHandle Handle of the file.
+ @param FileInfo Upon exit, points to the file's information.
+
+ @retval EFI_INVALID_PARAMETER If FileInfo is NULL.
+ @retval EFI_INVALID_PARAMETER If FileHandle does not represent a valid file.
+ @retval EFI_SUCCESS File information returned.
+
+**/
EFI_STATUS
EFIAPI
-PeiFfsFindFileByName (
- IN CONST EFI_GUID *FileName,
- IN EFI_PEI_FV_HANDLE VolumeHandle,
- OUT EFI_PEI_FILE_HANDLE *FileHandle
+PeiFfsGetFileInfo2 (
+ IN EFI_PEI_FILE_HANDLE FileHandle,
+ OUT EFI_FV_FILE_INFO2 *FileInfo
)
-/*++
+{
+ PEI_CORE_FV_HANDLE *CoreFvHandle;
+
+ if ((FileHandle == NULL) || (FileInfo == NULL)) {
+ return EFI_INVALID_PARAMETER;
+ }
-Routine Description:
+ //
+ // Retrieve the FirmwareVolume which the file resides in.
+ //
+ CoreFvHandle = FileHandleToVolume (FileHandle);
+ if ((CoreFvHandle == NULL) || (CoreFvHandle->FvPpi == NULL)) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ if ((CoreFvHandle->FvPpi->Signature == EFI_PEI_FIRMWARE_VOLUME_PPI_SIGNATURE) &&
+ (CoreFvHandle->FvPpi->Revision == EFI_PEI_FIRMWARE_VOLUME_PPI_REVISION)) {
+ return CoreFvHandle->FvPpi->GetFileInfo2 (CoreFvHandle->FvPpi, FileHandle, FileInfo);
+ }
+ //
+ // The old FvPpi doesn't support to return file info with authentication status,
+ // so return EFI_UNSUPPORTED.
+ //
+ return EFI_UNSUPPORTED;
+}
- Given the input VolumeHandle, search for the next matching name file.
+/**
+ Returns information about the specified volume.
-Arguments:
+ This function returns information about a specific firmware
+ volume, including its name, type, attributes, starting address
+ and size.
- FileName - File name to search.
- VolumeHandle - The current FV to search.
- FileHandle - Pointer to the file matching name in VolumeHandle.
- - NULL if file not found
-Returns:
- EFI_STATUS
-
---*/
+ @param VolumeHandle Handle of the volume.
+ @param VolumeInfo Upon exit, points to the volume's information.
+
+ @retval EFI_SUCCESS Volume information returned.
+ @retval EFI_INVALID_PARAMETER If VolumeHandle does not represent a valid volume.
+ @retval EFI_INVALID_PARAMETER If VolumeHandle is NULL.
+ @retval EFI_SUCCESS Information successfully returned.
+ @retval EFI_INVALID_PARAMETER The volume designated by the VolumeHandle is not available.
+
+**/
+EFI_STATUS
+EFIAPI
+PeiFfsGetVolumeInfo (
+ IN EFI_PEI_FV_HANDLE VolumeHandle,
+ OUT EFI_FV_INFO *VolumeInfo
+ )
{
- EFI_STATUS Status;
- if ((VolumeHandle == NULL) || (FileName == NULL) || (FileHandle == NULL)) {
+ PEI_CORE_FV_HANDLE *CoreHandle;
+
+ if ((VolumeInfo == NULL) || (VolumeHandle == NULL)) {
return EFI_INVALID_PARAMETER;
}
- Status = PeiFindFileEx (VolumeHandle, FileName, 0, FileHandle, NULL);
- if (Status == EFI_NOT_FOUND) {
- *FileHandle = NULL;
+
+ CoreHandle = FvHandleToCoreHandle (VolumeHandle);
+
+ if ((CoreHandle == NULL) || (CoreHandle->FvPpi == NULL)) {
+ return EFI_INVALID_PARAMETER;
}
- return Status;
+
+ return CoreHandle->FvPpi->GetVolumeInfo (CoreHandle->FvPpi, VolumeHandle, VolumeInfo);
}
+/**
+ Get Fv image from the FV type file, then install FV INFO(2) ppi, Build FV hob.
+
+ @param PrivateData PeiCore's private data structure
+ @param ParentFvCoreHandle Pointer of EFI_CORE_FV_HANDLE to parent Fv image that contain this Fv image.
+ @param ParentFvFileHandle File handle of a Fv type file that contain this Fv image.
+
+ @retval EFI_NOT_FOUND FV image can't be found.
+ @retval EFI_SUCCESS Successfully to process it.
+ @retval EFI_OUT_OF_RESOURCES Can not allocate page when aligning FV image
+ @retval EFI_SECURITY_VIOLATION Image is illegal
+ @retval Others Can not find EFI_SECTION_FIRMWARE_VOLUME_IMAGE section
+
+**/
EFI_STATUS
-EFIAPI
-PeiFfsGetFileInfo (
- IN EFI_PEI_FILE_HANDLE FileHandle,
- OUT EFI_FV_FILE_INFO *FileInfo
+ProcessFvFile (
+ IN PEI_CORE_INSTANCE *PrivateData,
+ IN PEI_CORE_FV_HANDLE *ParentFvCoreHandle,
+ IN EFI_PEI_FILE_HANDLE ParentFvFileHandle
)
-/*++
+{
+ EFI_STATUS Status;
+ EFI_FV_INFO ParentFvImageInfo;
+ UINT32 FvAlignment;
+ VOID *NewFvBuffer;
+ EFI_PEI_HOB_POINTERS HobPtr;
+ EFI_PEI_FIRMWARE_VOLUME_PPI *ParentFvPpi;
+ EFI_PEI_FV_HANDLE ParentFvHandle;
+ EFI_FIRMWARE_VOLUME_HEADER *FvHeader;
+ EFI_FV_FILE_INFO FileInfo;
+ UINT64 FvLength;
+ UINT32 AuthenticationStatus;
+
+ //
+ // Check if this EFI_FV_FILETYPE_FIRMWARE_VOLUME_IMAGE file has already
+ // been extracted.
+ //
+ HobPtr.Raw = GetHobList ();
+ while ((HobPtr.Raw = GetNextHob (EFI_HOB_TYPE_FV2, HobPtr.Raw)) != NULL) {
+ if (CompareGuid (&(((EFI_FFS_FILE_HEADER *)ParentFvFileHandle)->Name), &HobPtr.FirmwareVolume2->FileName)) {
+ //
+ // this FILE has been dispatched, it will not be dispatched again.
+ //
+ DEBUG ((EFI_D_INFO, "FV file %p has been dispatched!\r\n", ParentFvFileHandle));
+ return EFI_SUCCESS;
+ }
+ HobPtr.Raw = GET_NEXT_HOB (HobPtr);
+ }
+
+ ParentFvHandle = ParentFvCoreHandle->FvHandle;
+ ParentFvPpi = ParentFvCoreHandle->FvPpi;
+
+ //
+ // Find FvImage in FvFile
+ //
+ AuthenticationStatus = 0;
+ if ((ParentFvPpi->Signature == EFI_PEI_FIRMWARE_VOLUME_PPI_SIGNATURE) &&
+ (ParentFvPpi->Revision == EFI_PEI_FIRMWARE_VOLUME_PPI_REVISION)) {
+ Status = ParentFvPpi->FindSectionByType2 (
+ ParentFvPpi,
+ EFI_SECTION_FIRMWARE_VOLUME_IMAGE,
+ 0,
+ ParentFvFileHandle,
+ (VOID **)&FvHeader,
+ &AuthenticationStatus
+ );
+ } else {
+ Status = ParentFvPpi->FindSectionByType (
+ ParentFvPpi,
+ EFI_SECTION_FIRMWARE_VOLUME_IMAGE,
+ ParentFvFileHandle,
+ (VOID **)&FvHeader
+ );
+ }
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
-Routine Description:
+ Status = VerifyPeim (PrivateData, ParentFvHandle, ParentFvFileHandle, AuthenticationStatus);
+ if (Status == EFI_SECURITY_VIOLATION) {
+ return Status;
+ }
- Collect information of given file.
+ //
+ // If EFI_FVB2_WEAK_ALIGNMENT is set in the volume header then the first byte of the volume
+ // can be aligned on any power-of-two boundary. A weakly aligned volume can not be moved from
+ // its initial linked location and maintain its alignment.
+ //
+ if ((ReadUnaligned32 (&FvHeader->Attributes) & EFI_FVB2_WEAK_ALIGNMENT) != EFI_FVB2_WEAK_ALIGNMENT) {
+ //
+ // FvAlignment must be greater than or equal to 8 bytes of the minimum FFS alignment value.
+ //
+ FvAlignment = 1 << ((ReadUnaligned32 (&FvHeader->Attributes) & EFI_FVB2_ALIGNMENT) >> 16);
+ if (FvAlignment < 8) {
+ FvAlignment = 8;
+ }
-Arguments:
- FileHandle - The handle to file.
- FileInfo - Pointer to the file information.
+ //
+ // Check FvImage
+ //
+ if ((UINTN) FvHeader % FvAlignment != 0) {
+ FvLength = ReadUnaligned64 (&FvHeader->FvLength);
+ NewFvBuffer = AllocateAlignedPages (EFI_SIZE_TO_PAGES ((UINT32) FvLength), FvAlignment);
+ if (NewFvBuffer == NULL) {
+ return EFI_OUT_OF_RESOURCES;
+ }
+ CopyMem (NewFvBuffer, FvHeader, (UINTN) FvLength);
+ FvHeader = (EFI_FIRMWARE_VOLUME_HEADER*) NewFvBuffer;
+ }
+ }
-Returns:
- EFI_STATUS
+ Status = ParentFvPpi->GetVolumeInfo (ParentFvPpi, ParentFvHandle, &ParentFvImageInfo);
+ ASSERT_EFI_ERROR (Status);
---*/
+ Status = ParentFvPpi->GetFileInfo (ParentFvPpi, ParentFvFileHandle, &FileInfo);
+ ASSERT_EFI_ERROR (Status);
+
+ //
+ // Install FvInfo(2) Ppi
+ //
+ PeiServicesInstallFvInfoPpi (
+ &FvHeader->FileSystemGuid,
+ (VOID**) FvHeader,
+ (UINT32) FvHeader->FvLength,
+ &ParentFvImageInfo.FvName,
+ &FileInfo.FileName
+ );
+
+ PeiServicesInstallFvInfo2Ppi (
+ &FvHeader->FileSystemGuid,
+ (VOID**) FvHeader,
+ (UINT32) FvHeader->FvLength,
+ &ParentFvImageInfo.FvName,
+ &FileInfo.FileName,
+ AuthenticationStatus
+ );
+
+ //
+ // Inform the extracted FvImage to Fv HOB consumer phase, i.e. DXE phase
+ //
+ BuildFvHob (
+ (EFI_PHYSICAL_ADDRESS) (UINTN) FvHeader,
+ FvHeader->FvLength
+ );
+
+ //
+ // Makes the encapsulated volume show up in DXE phase to skip processing of
+ // encapsulated file again.
+ //
+ BuildFv2Hob (
+ (EFI_PHYSICAL_ADDRESS) (UINTN) FvHeader,
+ FvHeader->FvLength,
+ &ParentFvImageInfo.FvName,
+ &FileInfo.FileName
+ );
+
+ return EFI_SUCCESS;
+}
+
+/**
+ Process a firmware volume and create a volume handle.
+
+ Create a volume handle from the information in the buffer. For
+ memory-mapped firmware volumes, Buffer and BufferSize refer to
+ the start of the firmware volume and the firmware volume size.
+ For non memory-mapped firmware volumes, this points to a
+ buffer which contains the necessary information for creating
+ the firmware volume handle. Normally, these values are derived
+ from the EFI_FIRMWARE_VOLUME_INFO_PPI.
+
+
+ @param This Points to this instance of the
+ EFI_PEI_FIRMWARE_VOLUME_PPI.
+ @param Buffer Points to the start of the buffer.
+ @param BufferSize Size of the buffer.
+ @param FvHandle Points to the returned firmware volume
+ handle. The firmware volume handle must
+ be unique within the system.
+
+ @retval EFI_SUCCESS Firmware volume handle created.
+ @retval EFI_VOLUME_CORRUPTED Volume was corrupt.
+
+**/
+EFI_STATUS
+EFIAPI
+PeiFfsFvPpiProcessVolume (
+ IN CONST EFI_PEI_FIRMWARE_VOLUME_PPI *This,
+ IN VOID *Buffer,
+ IN UINTN BufferSize,
+ OUT EFI_PEI_FV_HANDLE *FvHandle
+ )
+{
+ EFI_STATUS Status;
+
+ ASSERT (FvHandle != NULL);
+
+ if (Buffer == NULL) {
+ return EFI_VOLUME_CORRUPTED;
+ }
+
+ //
+ // The build-in EFI_PEI_FIRMWARE_VOLUME_PPI for FFS2/FFS3 support memory-mapped
+ // FV image and the handle is pointed to Fv image's buffer.
+ //
+ *FvHandle = (EFI_PEI_FV_HANDLE) Buffer;
+
+ //
+ // Do verify for given FV buffer.
+ //
+ Status = VerifyFv ((EFI_FIRMWARE_VOLUME_HEADER*) Buffer);
+ if (EFI_ERROR(Status)) {
+ DEBUG ((EFI_D_ERROR, "Fail to verify FV which address is 0x%11p", Buffer));
+ return EFI_VOLUME_CORRUPTED;
+ }
+
+ return EFI_SUCCESS;
+}
+
+/**
+ Finds the next file of the specified type.
+
+ This service enables PEI modules to discover additional firmware files.
+ The FileHandle must be unique within the system.
+
+ @param This Points to this instance of the
+ EFI_PEI_FIRMWARE_VOLUME_PPI.
+ @param SearchType A filter to find only files of this type. Type
+ EFI_FV_FILETYPE_ALL causes no filtering to be
+ done.
+ @param FvHandle Handle of firmware volume in which to
+ search.
+ @param FileHandle Points to the current handle from which to
+ begin searching or NULL to start at the
+ beginning of the firmware volume. Updated
+ upon return to reflect the file found.
+
+ @retval EFI_SUCCESS The file was found.
+ @retval EFI_NOT_FOUND The file was not found. FileHandle contains NULL.
+
+**/
+EFI_STATUS
+EFIAPI
+PeiFfsFvPpiFindFileByType (
+ IN CONST EFI_PEI_FIRMWARE_VOLUME_PPI *This,
+ IN EFI_FV_FILETYPE SearchType,
+ IN EFI_PEI_FV_HANDLE FvHandle,
+ IN OUT EFI_PEI_FILE_HANDLE *FileHandle
+ )
+{
+ return FindFileEx (FvHandle, NULL, SearchType, FileHandle, NULL);
+}
+
+/**
+ Find a file within a volume by its name.
+
+ This service searches for files with a specific name, within
+ either the specified firmware volume or all firmware volumes.
+
+ @param This Points to this instance of the
+ EFI_PEI_FIRMWARE_VOLUME_PPI.
+ @param FileName A pointer to the name of the file to find
+ within the firmware volume.
+ @param FvHandle Upon entry, the pointer to the firmware
+ volume to search or NULL if all firmware
+ volumes should be searched. Upon exit, the
+ actual firmware volume in which the file was
+ found.
+ @param FileHandle Upon exit, points to the found file's
+ handle or NULL if it could not be found.
+
+ @retval EFI_SUCCESS File was found.
+ @retval EFI_NOT_FOUND File was not found.
+ @retval EFI_INVALID_PARAMETER FvHandle or FileHandle or
+ FileName was NULL.
+
+
+**/
+EFI_STATUS
+EFIAPI
+PeiFfsFvPpiFindFileByName (
+ IN CONST EFI_PEI_FIRMWARE_VOLUME_PPI *This,
+ IN CONST EFI_GUID *FileName,
+ IN EFI_PEI_FV_HANDLE *FvHandle,
+ OUT EFI_PEI_FILE_HANDLE *FileHandle
+ )
+{
+ EFI_STATUS Status;
+ PEI_CORE_INSTANCE *PrivateData;
+ UINTN Index;
+
+ if ((FvHandle == NULL) || (FileName == NULL) || (FileHandle == NULL)) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ if (*FvHandle != NULL) {
+ Status = FindFileEx (*FvHandle, FileName, 0, FileHandle, NULL);
+ if (Status == EFI_NOT_FOUND) {
+ *FileHandle = NULL;
+ }
+ } else {
+ //
+ // If *FvHandle = NULL, so search all FV for given filename
+ //
+ Status = EFI_NOT_FOUND;
+
+ PrivateData = PEI_CORE_INSTANCE_FROM_PS_THIS (GetPeiServicesTablePointer());
+ for (Index = 0; Index < PrivateData->FvCount; Index ++) {
+ //
+ // Only search the FV which is associated with a EFI_PEI_FIRMWARE_VOLUME_PPI instance.
+ //
+ if (PrivateData->Fv[Index].FvPpi != NULL) {
+ Status = FindFileEx (PrivateData->Fv[Index].FvHandle, FileName, 0, FileHandle, NULL);
+ if (!EFI_ERROR (Status)) {
+ *FvHandle = PrivateData->Fv[Index].FvHandle;
+ break;
+ }
+ }
+ }
+ }
+
+ return Status;
+}
+
+/**
+ Returns information about a specific file.
+
+ This function returns information about a specific
+ file, including its file name, type, attributes, starting
+ address and size.
+
+ @param This Points to this instance of the
+ EFI_PEI_FIRMWARE_VOLUME_PPI.
+ @param FileHandle Handle of the file.
+ @param FileInfo Upon exit, points to the file's
+ information.
+
+ @retval EFI_SUCCESS File information returned.
+ @retval EFI_INVALID_PARAMETER If FileHandle does not
+ represent a valid file.
+ @retval EFI_INVALID_PARAMETER If FileInfo is NULL.
+
+**/
+EFI_STATUS
+EFIAPI
+PeiFfsFvPpiGetFileInfo (
+ IN CONST EFI_PEI_FIRMWARE_VOLUME_PPI *This,
+ IN EFI_PEI_FILE_HANDLE FileHandle,
+ OUT EFI_FV_FILE_INFO *FileInfo
+ )
{
UINT8 FileState;
UINT8 ErasePolarity;
EFI_FFS_FILE_HEADER *FileHeader;
- EFI_PEI_FV_HANDLE VolumeHandle;
+ PEI_CORE_FV_HANDLE *CoreFvHandle;
+ PEI_FW_VOL_INSTANCE *FwVolInstance;
if ((FileHandle == NULL) || (FileInfo == NULL)) {
return EFI_INVALID_PARAMETER;
@@ -741,11 +1589,14 @@ Returns:
//
// Retrieve the FirmwareVolume which the file resides in.
//
- if (!PeiFileHandleToVolume(FileHandle, &VolumeHandle)) {
+ CoreFvHandle = FileHandleToVolume (FileHandle);
+ if (CoreFvHandle == NULL) {
return EFI_INVALID_PARAMETER;
}
- if (((EFI_FIRMWARE_VOLUME_HEADER*)VolumeHandle)->Attributes & EFI_FVB_ERASE_POLARITY) {
+ FwVolInstance = PEI_FW_VOL_INSTANCE_FROM_FV_THIS (This);
+
+ if ((CoreFvHandle->FvHeader->Attributes & EFI_FVB2_ERASE_POLARITY) != 0) {
ErasePolarity = 1;
} else {
ErasePolarity = 0;
@@ -765,53 +1616,655 @@ Returns:
}
FileHeader = (EFI_FFS_FILE_HEADER *)FileHandle;
+ if (IS_FFS_FILE2 (FileHeader)) {
+ ASSERT (FFS_FILE2_SIZE (FileHeader) > 0x00FFFFFF);
+ if (!FwVolInstance->IsFfs3Fv) {
+ DEBUG ((EFI_D_ERROR, "It is a FFS3 formatted file: %g in a non-FFS3 formatted FV.\n", &FileHeader->Name));
+ return EFI_INVALID_PARAMETER;
+ }
+ FileInfo->BufferSize = FFS_FILE2_SIZE (FileHeader) - sizeof (EFI_FFS_FILE_HEADER2);
+ FileInfo->Buffer = (UINT8 *) FileHeader + sizeof (EFI_FFS_FILE_HEADER2);
+ } else {
+ FileInfo->BufferSize = FFS_FILE_SIZE (FileHeader) - sizeof (EFI_FFS_FILE_HEADER);
+ FileInfo->Buffer = (UINT8 *) FileHeader + sizeof (EFI_FFS_FILE_HEADER);
+ }
CopyMem (&FileInfo->FileName, &FileHeader->Name, sizeof(EFI_GUID));
FileInfo->FileType = FileHeader->Type;
- FileInfo->FileAttributes = FileHeader->Attributes;
- FileInfo->BufferSize = ((*(UINT32 *)FileHeader->Size) & 0x00FFFFFF) - sizeof (EFI_FFS_FILE_HEADER);
- FileInfo->Buffer = (FileHeader + 1);
+ FileInfo->FileAttributes = FfsAttributes2FvFileAttributes (FileHeader->Attributes);
+ if ((CoreFvHandle->FvHeader->Attributes & EFI_FVB2_MEMORY_MAPPED) == EFI_FVB2_MEMORY_MAPPED) {
+ FileInfo->FileAttributes |= EFI_FV_FILE_ATTRIB_MEMORY_MAPPED;
+ }
return EFI_SUCCESS;
}
+/**
+ Returns information about a specific file.
+ This function returns information about a specific
+ file, including its file name, type, attributes, starting
+ address, size and authentication status.
+
+ @param This Points to this instance of the
+ EFI_PEI_FIRMWARE_VOLUME_PPI.
+ @param FileHandle Handle of the file.
+ @param FileInfo Upon exit, points to the file's
+ information.
+
+ @retval EFI_SUCCESS File information returned.
+ @retval EFI_INVALID_PARAMETER If FileHandle does not
+ represent a valid file.
+ @retval EFI_INVALID_PARAMETER If FileInfo is NULL.
+
+**/
EFI_STATUS
-EFIAPI
-PeiFfsGetVolumeInfo (
- IN EFI_PEI_FV_HANDLE VolumeHandle,
- OUT EFI_FV_INFO *VolumeInfo
+EFIAPI
+PeiFfsFvPpiGetFileInfo2 (
+ IN CONST EFI_PEI_FIRMWARE_VOLUME_PPI *This,
+ IN EFI_PEI_FILE_HANDLE FileHandle,
+ OUT EFI_FV_FILE_INFO2 *FileInfo
)
-/*++
+{
+ EFI_STATUS Status;
+ PEI_CORE_FV_HANDLE *CoreFvHandle;
-Routine Description:
+ if ((FileHandle == NULL) || (FileInfo == NULL)) {
+ return EFI_INVALID_PARAMETER;
+ }
- Collect information of given Fv Volume.
+ //
+ // Retrieve the FirmwareVolume which the file resides in.
+ //
+ CoreFvHandle = FileHandleToVolume (FileHandle);
+ if (CoreFvHandle == NULL) {
+ return EFI_INVALID_PARAMETER;
+ }
-Arguments:
- VolumeHandle - The handle to Fv Volume.
- VolumeInfo - The pointer to volume information.
-
-Returns:
- EFI_STATUS
+ Status = PeiFfsFvPpiGetFileInfo (This, FileHandle, (EFI_FV_FILE_INFO *) FileInfo);
+ if (!EFI_ERROR (Status)) {
+ FileInfo->AuthenticationStatus = CoreFvHandle->AuthenticationStatus;
+ }
+
+ return Status;
+}
+
+/**
+ This function returns information about the firmware volume.
---*/
+ @param This Points to this instance of the
+ EFI_PEI_FIRMWARE_VOLUME_PPI.
+ @param FvHandle Handle to the firmware handle.
+ @param VolumeInfo Points to the returned firmware volume
+ information.
+
+ @retval EFI_SUCCESS Information returned successfully.
+ @retval EFI_INVALID_PARAMETER FvHandle does not indicate a valid
+ firmware volume or VolumeInfo is NULL.
+
+**/
+EFI_STATUS
+EFIAPI
+PeiFfsFvPpiGetVolumeInfo (
+ IN CONST EFI_PEI_FIRMWARE_VOLUME_PPI *This,
+ IN EFI_PEI_FV_HANDLE FvHandle,
+ OUT EFI_FV_INFO *VolumeInfo
+ )
{
- EFI_FIRMWARE_VOLUME_HEADER *FwVolHeader;
+ EFI_FIRMWARE_VOLUME_HEADER FwVolHeader;
EFI_FIRMWARE_VOLUME_EXT_HEADER *FwVolExHeaderInfo;
- if (VolumeInfo == NULL) {
+ if ((VolumeInfo == NULL) || (FvHandle == NULL)) {
return EFI_INVALID_PARAMETER;
}
+
+ //
+ // VolumeHandle may not align at 8 byte,
+ // but FvLength is UINT64 type, which requires FvHeader align at least 8 byte.
+ // So, Copy FvHeader into the local FvHeader structure.
+ //
+ CopyMem (&FwVolHeader, FvHandle, sizeof (EFI_FIRMWARE_VOLUME_HEADER));
- FwVolHeader = (EFI_FIRMWARE_VOLUME_HEADER *)(VolumeHandle);
- VolumeInfo->FvAttributes = FwVolHeader->Attributes;
- VolumeInfo->FvStart = FwVolHeader;
- VolumeInfo->FvSize = FwVolHeader->FvLength;
- CopyMem (&VolumeInfo->FvFormat, &FwVolHeader->FileSystemGuid,sizeof(EFI_GUID));
+ //
+ // Check Fv Image Signature
+ //
+ if (FwVolHeader.Signature != EFI_FVH_SIGNATURE) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ ZeroMem (VolumeInfo, sizeof (EFI_FV_INFO));
+ VolumeInfo->FvAttributes = FwVolHeader.Attributes;
+ VolumeInfo->FvStart = (VOID *) FvHandle;
+ VolumeInfo->FvSize = FwVolHeader.FvLength;
+ CopyMem (&VolumeInfo->FvFormat, &FwVolHeader.FileSystemGuid, sizeof(EFI_GUID));
- if (FwVolHeader->ExtHeaderOffset != 0) {
- FwVolExHeaderInfo = (EFI_FIRMWARE_VOLUME_EXT_HEADER*)(((UINT8 *)FwVolHeader) + FwVolHeader->ExtHeaderOffset);
+ if (FwVolHeader.ExtHeaderOffset != 0) {
+ FwVolExHeaderInfo = (EFI_FIRMWARE_VOLUME_EXT_HEADER*)(((UINT8 *)FvHandle) + FwVolHeader.ExtHeaderOffset);
CopyMem (&VolumeInfo->FvName, &FwVolExHeaderInfo->FvName, sizeof(EFI_GUID));
}
+
+ return EFI_SUCCESS;
+}
+
+/**
+ Find the next matching section in the firmware file.
+
+ This service enables PEI modules to discover sections
+ of a given type within a valid file.
+
+ @param This Points to this instance of the
+ EFI_PEI_FIRMWARE_VOLUME_PPI.
+ @param SearchType A filter to find only sections of this
+ type.
+ @param FileHandle Handle of firmware file in which to
+ search.
+ @param SectionData Updated upon return to point to the
+ section found.
+
+ @retval EFI_SUCCESS Section was found.
+ @retval EFI_NOT_FOUND Section of the specified type was not
+ found. SectionData contains NULL.
+**/
+EFI_STATUS
+EFIAPI
+PeiFfsFvPpiFindSectionByType (
+ IN CONST EFI_PEI_FIRMWARE_VOLUME_PPI *This,
+ IN EFI_SECTION_TYPE SearchType,
+ IN EFI_PEI_FILE_HANDLE FileHandle,
+ OUT VOID **SectionData
+ )
+{
+ UINT32 AuthenticationStatus;
+ return PeiFfsFvPpiFindSectionByType2 (This, SearchType, 0, FileHandle, SectionData, &AuthenticationStatus);
+}
+
+/**
+ Find the next matching section in the firmware file.
+
+ This service enables PEI modules to discover sections
+ of a given instance and type within a valid file.
+
+ @param This Points to this instance of the
+ EFI_PEI_FIRMWARE_VOLUME_PPI.
+ @param SearchType A filter to find only sections of this
+ type.
+ @param SearchInstance A filter to find the specific instance
+ of sections.
+ @param FileHandle Handle of firmware file in which to
+ search.
+ @param SectionData Updated upon return to point to the
+ section found.
+ @param AuthenticationStatus Updated upon return to point to the
+ authentication status for this section.
+
+ @retval EFI_SUCCESS Section was found.
+ @retval EFI_NOT_FOUND Section of the specified type was not
+ found. SectionData contains NULL.
+**/
+EFI_STATUS
+EFIAPI
+PeiFfsFvPpiFindSectionByType2 (
+ IN CONST EFI_PEI_FIRMWARE_VOLUME_PPI *This,
+ IN EFI_SECTION_TYPE SearchType,
+ IN UINTN SearchInstance,
+ IN EFI_PEI_FILE_HANDLE FileHandle,
+ OUT VOID **SectionData,
+ OUT UINT32 *AuthenticationStatus
+ )
+{
+ EFI_STATUS Status;
+ EFI_FFS_FILE_HEADER *FfsFileHeader;
+ UINT32 FileSize;
+ EFI_COMMON_SECTION_HEADER *Section;
+ PEI_FW_VOL_INSTANCE *FwVolInstance;
+ PEI_CORE_FV_HANDLE *CoreFvHandle;
+ UINTN Instance;
+ UINT32 ExtractedAuthenticationStatus;
+
+ if (SectionData == NULL) {
+ return EFI_NOT_FOUND;
+ }
+
+ FwVolInstance = PEI_FW_VOL_INSTANCE_FROM_FV_THIS (This);
+
+ //
+ // Retrieve the FirmwareVolume which the file resides in.
+ //
+ CoreFvHandle = FileHandleToVolume (FileHandle);
+ if (CoreFvHandle == NULL) {
+ return EFI_NOT_FOUND;
+ }
+
+ FfsFileHeader = (EFI_FFS_FILE_HEADER *)(FileHandle);
+
+ if (IS_FFS_FILE2 (FfsFileHeader)) {
+ ASSERT (FFS_FILE2_SIZE (FfsFileHeader) > 0x00FFFFFF);
+ if (!FwVolInstance->IsFfs3Fv) {
+ DEBUG ((EFI_D_ERROR, "It is a FFS3 formatted file: %g in a non-FFS3 formatted FV.\n", &FfsFileHeader->Name));
+ return EFI_NOT_FOUND;
+ }
+ Section = (EFI_COMMON_SECTION_HEADER *) ((UINT8 *) FfsFileHeader + sizeof (EFI_FFS_FILE_HEADER2));
+ FileSize = FFS_FILE2_SIZE (FfsFileHeader) - sizeof (EFI_FFS_FILE_HEADER2);
+ } else {
+ Section = (EFI_COMMON_SECTION_HEADER *) ((UINT8 *) FfsFileHeader + sizeof (EFI_FFS_FILE_HEADER));
+ FileSize = FFS_FILE_SIZE (FfsFileHeader) - sizeof (EFI_FFS_FILE_HEADER);
+ }
+
+ Instance = SearchInstance + 1;
+ ExtractedAuthenticationStatus = 0;
+ Status = ProcessSection (
+ GetPeiServicesTablePointer (),
+ SearchType,
+ &Instance,
+ Section,
+ FileSize,
+ SectionData,
+ &ExtractedAuthenticationStatus,
+ FwVolInstance->IsFfs3Fv
+ );
+ if (!EFI_ERROR (Status)) {
+ //
+ // Inherit the authentication status.
+ //
+ *AuthenticationStatus = ExtractedAuthenticationStatus | CoreFvHandle->AuthenticationStatus;
+ }
+ return Status;
+}
+
+/**
+ Convert the handle of FV to pointer of corresponding PEI_CORE_FV_HANDLE.
+
+ @param FvHandle The handle of a FV.
+
+ @retval NULL if can not find.
+ @return Pointer of corresponding PEI_CORE_FV_HANDLE.
+**/
+PEI_CORE_FV_HANDLE *
+FvHandleToCoreHandle (
+ IN EFI_PEI_FV_HANDLE FvHandle
+ )
+{
+ UINTN Index;
+ PEI_CORE_INSTANCE *PrivateData;
+
+ PrivateData = PEI_CORE_INSTANCE_FROM_PS_THIS (GetPeiServicesTablePointer());
+ for (Index = 0; Index < PrivateData->FvCount; Index ++) {
+ if (FvHandle == PrivateData->Fv[Index].FvHandle) {
+ return &PrivateData->Fv[Index];
+ }
+ }
+
+ return NULL;
+}
+
+/**
+ Get instance of PEI_CORE_FV_HANDLE for next volume according to given index.
+
+ This routine also will install FvInfo ppi for FV hob in PI ways.
+
+ @param Private Pointer of PEI_CORE_INSTANCE
+ @param Instance The index of FV want to be searched.
+
+ @return Instance of PEI_CORE_FV_HANDLE.
+**/
+PEI_CORE_FV_HANDLE *
+FindNextCoreFvHandle (
+ IN PEI_CORE_INSTANCE *Private,
+ IN UINTN Instance
+ )
+{
+ UINTN Index;
+ BOOLEAN Match;
+ EFI_HOB_FIRMWARE_VOLUME *FvHob;
+
+ //
+ // Handle Framework FvHob and Install FvInfo Ppi for it.
+ //
+ if (FeaturePcdGet (PcdFrameworkCompatibilitySupport)) {
+ //
+ // Loop to search the wanted FirmwareVolume which supports FFS
+ //
+ FvHob = (EFI_HOB_FIRMWARE_VOLUME *)GetFirstHob (EFI_HOB_TYPE_FV);
+ while (FvHob != NULL) {
+ //
+ // Search whether FvHob has been installed into PeiCore's FV database.
+ // If found, no need install new FvInfoPpi for it.
+ //
+ for (Index = 0, Match = FALSE; Index < Private->FvCount; Index++) {
+ if ((EFI_PEI_FV_HANDLE)(UINTN)FvHob->BaseAddress == Private->Fv[Index].FvHeader) {
+ Match = TRUE;
+ break;
+ }
+ }
+
+ //
+ // Search whether FvHob has been cached into PeiCore's Unknown FV database.
+ // If found, no need install new FvInfoPpi for it.
+ //
+ if (!Match) {
+ for (Index = 0; Index < Private->UnknownFvInfoCount; Index ++) {
+ if ((UINTN)FvHob->BaseAddress == (UINTN)Private->UnknownFvInfo[Index].FvInfo) {
+ Match = TRUE;
+ break;
+ }
+ }
+ }
+
+ //
+ // If the Fv in FvHob has not been installed into PeiCore's FV database and has
+ // not been cached into PeiCore's Unknown FV database, install a new FvInfoPpi
+ // for it then PeiCore will dispatch it in callback of FvInfoPpi.
+ //
+ if (!Match) {
+ PeiServicesInstallFvInfoPpi (
+ &(((EFI_FIRMWARE_VOLUME_HEADER *)(UINTN)FvHob->BaseAddress)->FileSystemGuid),
+ (VOID *)(UINTN)FvHob->BaseAddress,
+ (UINT32)FvHob->Length,
+ NULL,
+ NULL
+ );
+ }
+
+ FvHob = (EFI_HOB_FIRMWARE_VOLUME *)GetNextHob (EFI_HOB_TYPE_FV, (VOID *)((UINTN)FvHob + FvHob->Header.HobLength));
+ }
+ }
+
+ ASSERT (Private->FvCount <= FixedPcdGet32 (PcdPeiCoreMaxFvSupported));
+ if (Instance >= Private->FvCount) {
+ return NULL;
+ }
+
+ return &Private->Fv[Instance];
+}
+
+/**
+ After PeiCore image is shadowed into permanent memory, all build-in FvPpi should
+ be re-installed with the instance in permanent memory and all cached FvPpi pointers in
+ PrivateData->Fv[] array should be fixed up to be pointed to the one in permenant
+ memory.
+
+ @param PrivateData Pointer to PEI_CORE_INSTANCE.
+**/
+VOID
+PeiReinitializeFv (
+ IN PEI_CORE_INSTANCE *PrivateData
+ )
+{
+ VOID *OldFfsFvPpi;
+ EFI_PEI_PPI_DESCRIPTOR *OldDescriptor;
+ UINTN Index;
+ EFI_STATUS Status;
+
+ //
+ // Locate old build-in Ffs2 EFI_PEI_FIRMWARE_VOLUME_PPI which
+ // in flash.
+ //
+ Status = PeiServicesLocatePpi (
+ &gEfiFirmwareFileSystem2Guid,
+ 0,
+ &OldDescriptor,
+ &OldFfsFvPpi
+ );
+ ASSERT_EFI_ERROR (Status);
+
+ //
+ // Re-install the EFI_PEI_FIRMWARE_VOLUME_PPI for build-in Ffs2
+ // which is shadowed from flash to permanent memory within PeiCore image.
+ //
+ Status = PeiServicesReInstallPpi (OldDescriptor, &mPeiFfs2FvPpiList);
+ ASSERT_EFI_ERROR (Status);
+
+ //
+ // Fixup all FvPpi pointers for the implementation in flash to permanent memory.
+ //
+ for (Index = 0; Index < FixedPcdGet32 (PcdPeiCoreMaxFvSupported); Index ++) {
+ if (PrivateData->Fv[Index].FvPpi == OldFfsFvPpi) {
+ PrivateData->Fv[Index].FvPpi = &mPeiFfs2FwVol.Fv;
+ }
+ }
+
+ //
+ // Locate old build-in Ffs3 EFI_PEI_FIRMWARE_VOLUME_PPI which
+ // in flash.
+ //
+ Status = PeiServicesLocatePpi (
+ &gEfiFirmwareFileSystem3Guid,
+ 0,
+ &OldDescriptor,
+ &OldFfsFvPpi
+ );
+ ASSERT_EFI_ERROR (Status);
+
+ //
+ // Re-install the EFI_PEI_FIRMWARE_VOLUME_PPI for build-in Ffs3
+ // which is shadowed from flash to permanent memory within PeiCore image.
+ //
+ Status = PeiServicesReInstallPpi (OldDescriptor, &mPeiFfs3FvPpiList);
+ ASSERT_EFI_ERROR (Status);
+
+ //
+ // Fixup all FvPpi pointers for the implementation in flash to permanent memory.
+ //
+ for (Index = 0; Index < FixedPcdGet32 (PcdPeiCoreMaxFvSupported); Index ++) {
+ if (PrivateData->Fv[Index].FvPpi == OldFfsFvPpi) {
+ PrivateData->Fv[Index].FvPpi = &mPeiFfs3FwVol.Fv;
+ }
+ }
+}
+
+/**
+ Report the information for a new discoveried FV in unknown third-party format.
+
+ If the EFI_PEI_FIRMWARE_VOLUME_PPI has not been installed for third-party FV format, but
+ the FV in this format has been discoveried, then this FV's information will be cached into
+ PEI_CORE_INSTANCE's UnknownFvInfo array.
+ Also a notification would be installed for unknown third-party FV format guid, if EFI_PEI_FIRMWARE_VOLUME_PPI
+ is installed later by platform's PEIM, the original unknown third-party FV will be processed by
+ using new installed EFI_PEI_FIRMWARE_VOLUME_PPI.
+
+ @param PrivateData Point to instance of PEI_CORE_INSTANCE
+ @param FvInfo2Ppi Point to FvInfo2 PPI.
+
+ @retval EFI_OUT_OF_RESOURCES The FV info array in PEI_CORE_INSTANCE has no more spaces.
+ @retval EFI_SUCCESS Success to add the information for unknown FV.
+**/
+EFI_STATUS
+AddUnknownFormatFvInfo (
+ IN PEI_CORE_INSTANCE *PrivateData,
+ IN EFI_PEI_FIRMWARE_VOLUME_INFO2_PPI *FvInfo2Ppi
+ )
+{
+ PEI_CORE_UNKNOW_FORMAT_FV_INFO *NewUnknownFv;
+
+ if (PrivateData->UnknownFvInfoCount + 1 >= FixedPcdGet32 (PcdPeiCoreMaxFvSupported)) {
+ return EFI_OUT_OF_RESOURCES;
+ }
+
+ NewUnknownFv = &PrivateData->UnknownFvInfo[PrivateData->UnknownFvInfoCount];
+ PrivateData->UnknownFvInfoCount ++;
+
+ CopyGuid (&NewUnknownFv->FvFormat, &FvInfo2Ppi->FvFormat);
+ NewUnknownFv->FvInfo = FvInfo2Ppi->FvInfo;
+ NewUnknownFv->FvInfoSize = FvInfo2Ppi->FvInfoSize;
+ NewUnknownFv->AuthenticationStatus = FvInfo2Ppi->AuthenticationStatus;
+ NewUnknownFv->NotifyDescriptor.Flags = (EFI_PEI_PPI_DESCRIPTOR_NOTIFY_CALLBACK | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST);
+ NewUnknownFv->NotifyDescriptor.Guid = &NewUnknownFv->FvFormat;
+ NewUnknownFv->NotifyDescriptor.Notify = ThirdPartyFvPpiNotifyCallback;
+
+ PeiServicesNotifyPpi (&NewUnknownFv->NotifyDescriptor);
return EFI_SUCCESS;
}
+/**
+ Find the FV information according to third-party FV format guid.
+
+ This routine also will remove the FV information found by given FV format guid from
+ PrivateData->UnknownFvInfo[].
+
+ @param PrivateData Point to instance of PEI_CORE_INSTANCE
+ @param Format Point to given FV format guid
+ @param FvInfo On return, the pointer of FV information buffer
+ @param FvInfoSize On return, the size of FV information buffer.
+ @param AuthenticationStatus On return, the authentication status of FV information buffer.
+
+ @retval EFI_NOT_FOUND The FV is not found for new installed EFI_PEI_FIRMWARE_VOLUME_PPI
+ @retval EFI_SUCCESS Success to find a FV which could be processed by new installed EFI_PEI_FIRMWARE_VOLUME_PPI.
+**/
+EFI_STATUS
+FindUnknownFormatFvInfo (
+ IN PEI_CORE_INSTANCE *PrivateData,
+ IN EFI_GUID *Format,
+ OUT VOID **FvInfo,
+ OUT UINT32 *FvInfoSize,
+ OUT UINT32 *AuthenticationStatus
+ )
+{
+ UINTN Index;
+ UINTN Index2;
+
+ Index = 0;
+ for (; Index < PrivateData->UnknownFvInfoCount; Index ++) {
+ if (CompareGuid (Format, &PrivateData->UnknownFvInfo[Index].FvFormat)) {
+ break;
+ }
+ }
+
+ if (Index == PrivateData->UnknownFvInfoCount) {
+ return EFI_NOT_FOUND;
+ }
+
+ *FvInfo = PrivateData->UnknownFvInfo[Index].FvInfo;
+ *FvInfoSize = PrivateData->UnknownFvInfo[Index].FvInfoSize;
+ *AuthenticationStatus = PrivateData->UnknownFvInfo[Index].AuthenticationStatus;
+
+ //
+ // Remove an entry from UnknownFvInfo array.
+ //
+ Index2 = Index + 1;
+ for (;Index2 < PrivateData->UnknownFvInfoCount; Index2 ++, Index ++) {
+ CopyMem (&PrivateData->UnknownFvInfo[Index], &PrivateData->UnknownFvInfo[Index2], sizeof (PEI_CORE_UNKNOW_FORMAT_FV_INFO));
+ }
+ PrivateData->UnknownFvInfoCount --;
+ return EFI_SUCCESS;
+}
+
+/**
+ Notification callback function for EFI_PEI_FIRMWARE_VOLUME_PPI.
+
+ When a EFI_PEI_FIRMWARE_VOLUME_PPI is installed to support new FV format, this
+ routine is called to process all discoveried FVs in this format.
+
+ @param PeiServices An indirect pointer to the EFI_PEI_SERVICES table published by the PEI Foundation
+ @param NotifyDescriptor Address of the notification descriptor data structure.
+ @param Ppi Address of the PPI that was installed.
+
+ @retval EFI_SUCCESS The notification callback is processed correctly.
+**/
+EFI_STATUS
+EFIAPI
+ThirdPartyFvPpiNotifyCallback (
+ IN EFI_PEI_SERVICES **PeiServices,
+ IN EFI_PEI_NOTIFY_DESCRIPTOR *NotifyDescriptor,
+ IN VOID *Ppi
+ )
+{
+ PEI_CORE_INSTANCE *PrivateData;
+ EFI_PEI_FIRMWARE_VOLUME_PPI *FvPpi;
+ VOID *FvInfo;
+ UINT32 FvInfoSize;
+ UINT32 AuthenticationStatus;
+ EFI_STATUS Status;
+ EFI_PEI_FV_HANDLE FvHandle;
+ BOOLEAN IsProcessed;
+ UINTN FvIndex;
+ EFI_PEI_FILE_HANDLE FileHandle;
+ VOID *DepexData;
+
+ PrivateData = PEI_CORE_INSTANCE_FROM_PS_THIS (PeiServices);
+ FvPpi = (EFI_PEI_FIRMWARE_VOLUME_PPI*) Ppi;
+
+ do {
+ Status = FindUnknownFormatFvInfo (PrivateData, NotifyDescriptor->Guid, &FvInfo, &FvInfoSize, &AuthenticationStatus);
+ if (EFI_ERROR (Status)) {
+ return EFI_SUCCESS;
+ }
+
+ //
+ // Process new found FV and get FV handle.
+ //
+ Status = FvPpi->ProcessVolume (FvPpi, FvInfo, FvInfoSize, &FvHandle);
+ if (EFI_ERROR (Status)) {
+ DEBUG ((EFI_D_ERROR, "Fail to process the FV 0x%p, FV may be corrupted!\n", FvInfo));
+ continue;
+ }
+
+ //
+ // Check whether the FV has already been processed.
+ //
+ IsProcessed = FALSE;
+ for (FvIndex = 0; FvIndex < PrivateData->FvCount; FvIndex ++) {
+ if (PrivateData->Fv[FvIndex].FvHandle == FvHandle) {
+ DEBUG ((EFI_D_INFO, "The Fv %p has already been processed!\n", FvInfo));
+ IsProcessed = TRUE;
+ break;
+ }
+ }
+
+ if (IsProcessed) {
+ continue;
+ }
+
+ if (PrivateData->FvCount >= FixedPcdGet32 (PcdPeiCoreMaxFvSupported)) {
+ DEBUG ((EFI_D_ERROR, "The number of Fv Images (%d) exceed the max supported FVs (%d) in Pei", PrivateData->FvCount + 1, FixedPcdGet32 (PcdPeiCoreMaxFvSupported)));
+ DEBUG ((EFI_D_ERROR, "PcdPeiCoreMaxFvSupported value need be reconfigurated in DSC"));
+ ASSERT (FALSE);
+ }
+
+ //
+ // Update internal PEI_CORE_FV array.
+ //
+ PrivateData->Fv[PrivateData->FvCount].FvHeader = (EFI_FIRMWARE_VOLUME_HEADER*) FvInfo;
+ PrivateData->Fv[PrivateData->FvCount].FvPpi = FvPpi;
+ PrivateData->Fv[PrivateData->FvCount].FvHandle = FvHandle;
+ PrivateData->Fv[PrivateData->FvCount].AuthenticationStatus = AuthenticationStatus;
+ DEBUG ((
+ EFI_D_INFO,
+ "The %dth FV start address is 0x%11p, size is 0x%08x, handle is 0x%p\n",
+ (UINT32) PrivateData->FvCount,
+ (VOID *) FvInfo,
+ FvInfoSize,
+ FvHandle
+ ));
+ PrivateData->FvCount ++;
+
+ //
+ // Scan and process the new discoveried FV for EFI_FV_FILETYPE_FIRMWARE_VOLUME_IMAGE
+ //
+ FileHandle = NULL;
+ do {
+ Status = FvPpi->FindFileByType (
+ FvPpi,
+ EFI_FV_FILETYPE_FIRMWARE_VOLUME_IMAGE,
+ FvHandle,
+ &FileHandle
+ );
+ if (!EFI_ERROR (Status)) {
+ Status = FvPpi->FindSectionByType (
+ FvPpi,
+ EFI_SECTION_PEI_DEPEX,
+ FileHandle,
+ (VOID**)&DepexData
+ );
+ if (!EFI_ERROR (Status)) {
+ if (!PeimDispatchReadiness (PeiServices, DepexData)) {
+ //
+ // Dependency is not satisfied.
+ //
+ continue;
+ }
+ }
+
+ DEBUG ((EFI_D_INFO, "Found firmware volume Image File %p in FV[%d] %p\n", FileHandle, PrivateData->FvCount - 1, FvHandle));
+ ProcessFvFile (PrivateData, &PrivateData->Fv[PrivateData->FvCount - 1], FileHandle);
+ }
+ } while (FileHandle != NULL);
+ } while (TRUE);
+}