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https://github.com/LongSoft/UEFITool.git
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Version 0.17.4
- solved a bug in wrong volume size calculation in rare cases - added diagnostic message if FvLength and size calculated using BlockMap are different - solved a bug that lead to unneeded PEI files relocation - rebuild action on volume will now relocate PEI files in it
This commit is contained in:
Nikolaj Schlej
parent
9fb1c7eb09
commit
e5d94b6479
@ -627,7 +627,7 @@ UINT8 FfsEngine::findNextVolume(const QByteArray & bios, UINT32 volumeOffset, UI
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return ERR_SUCCESS;
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}
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UINT8 FfsEngine::getVolumeSize(const QByteArray & bios, UINT32 volumeOffset, UINT32 & volumeSize, bool fromHeader)
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UINT8 FfsEngine::getVolumeSize(const QByteArray & bios, UINT32 volumeOffset, UINT32 & volumeSize)
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{
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// Populate volume header
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EFI_FIRMWARE_VOLUME_HEADER* volumeHeader = (EFI_FIRMWARE_VOLUME_HEADER*) (bios.constData() + volumeOffset);
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@ -636,22 +636,29 @@ UINT8 FfsEngine::getVolumeSize(const QByteArray & bios, UINT32 volumeOffset, UIN
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if (QByteArray((const char*) &volumeHeader->Signature, sizeof(volumeHeader->Signature)) != EFI_FV_SIGNATURE)
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return ERR_INVALID_VOLUME;
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if (fromHeader) {
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// Use header field
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volumeSize = volumeHeader->FvLength;
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}
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else {
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// Use BlockMap
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// Calculate volume size using BlockMap
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EFI_FV_BLOCK_MAP_ENTRY* entry = (EFI_FV_BLOCK_MAP_ENTRY*)(bios.constData() + volumeOffset + sizeof(EFI_FIRMWARE_VOLUME_HEADER));
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volumeSize = 0;
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UINT32 bmVolumeSize = 0;
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while (entry->NumBlocks != 0 && entry->Length != 0) {
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if ((void*)entry > bios.constData() + bios.size())
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return ERR_INVALID_VOLUME;
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volumeSize += entry->NumBlocks * entry->Length;
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bmVolumeSize += entry->NumBlocks * entry->Length;
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entry += 1;
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}
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// Check calculated and stored volume sizes to be the same
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if (volumeHeader->FvLength != bmVolumeSize) {
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msg(tr("getVolumeSize: %1, volume size in header (%2) differs from calculated using BlockMap (%3). Smaller value is used.")
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.arg(guidToQString(volumeHeader->FileSystemGuid))
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.arg(volumeHeader->FvLength, 8, 16, QChar('0'))
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.arg(bmVolumeSize, 8, 16, QChar('0')));
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// Use smaller value as volume size
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volumeSize = volumeHeader->FvLength < bmVolumeSize ? volumeHeader->FvLength : bmVolumeSize;
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}
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else
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volumeSize = bmVolumeSize;
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return ERR_SUCCESS;
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}
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@ -704,7 +711,7 @@ UINT8 FfsEngine::parseVolume(const QByteArray & volume, QModelIndex & index, co
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UINT8 result;
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UINT32 volumeSize;
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result = getVolumeSize(volume, 0, volumeSize, false);
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result = getVolumeSize(volume, 0, volumeSize);
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if (result)
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return result;
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@ -1601,7 +1608,9 @@ UINT8 FfsEngine::remove(const QModelIndex & index)
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QModelIndex fileIndex;
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if (model->type(index) == File)
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if (model->type(index) == Volume && model->rowCount(index) > 0)
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fileIndex = index.child(0, 0);
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else if(model->type(index) == File)
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fileIndex = index;
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else if (model->type(index) == Section)
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fileIndex = model->findParentOfType(index, File);
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@ -1624,7 +1633,9 @@ UINT8 FfsEngine::rebuild(const QModelIndex & index)
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QModelIndex fileIndex;
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if (model->type(index) == File)
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if (model->type(index) == Volume && model->rowCount(index) > 0)
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fileIndex = index.child(0, 0);
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else if (model->type(index) == File)
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fileIndex = index;
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else if (model->type(index) == Section)
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fileIndex = model->findParentOfType(index, File);
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@ -2019,7 +2030,7 @@ UINT8 FfsEngine::reconstructRegion(const QModelIndex& index, QByteArray& reconst
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return ERR_NOT_IMPLEMENTED;
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}
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UINT8 FfsEngine::reconstructVolume(const QModelIndex& index, QByteArray& reconstructed)
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UINT8 FfsEngine::reconstructVolume(const QModelIndex & index, QByteArray & reconstructed)
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{
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if (!index.isValid())
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return ERR_SUCCESS;
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@ -2076,7 +2087,19 @@ UINT8 FfsEngine::reconstructVolume(const QModelIndex& index, QByteArray& reconst
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}
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}
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// VTF not found
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// Determine if volume is inside compressed item
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if (!baseFound) {
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// Iterate up to the root, checking for compression type to be other then none
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for (QModelIndex parentIndex = index.parent(); model->type(parentIndex) != Root; parentIndex = parentIndex.parent())
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if (model->compression(parentIndex) != COMPRESSION_ALGORITHM_NONE) {
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// No rebase needed for compressed PEI files
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baseFound = true;
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volumeBase = 0;
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break;
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}
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}
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// Find volume base address using first PEI file in it
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if (!baseFound) {
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// Search for first PEI-file and use it as base source
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UINT32 fileOffset = header.size();
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@ -2103,13 +2126,12 @@ UINT8 FfsEngine::reconstructVolume(const QModelIndex& index, QByteArray& reconst
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// Calculate volume base
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volumeBase = imagebase - relbase;
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baseFound = true;
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}
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goto out;
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}
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}
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sectionOffset += model->header(peiFile.child(j,0)).size() + model->body(peiFile.child(j,0)).size();
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sectionOffset = ALIGN4(sectionOffset);
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}
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}
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fileOffset += model->header(index.child(i, 0)).size() + model->body(index.child(i, 0)).size() + model->tail(index.child(i, 0)).size();
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fileOffset = ALIGN8(fileOffset);
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@ -2572,8 +2594,6 @@ UINT8 FfsEngine::reconstructSection(const QModelIndex& index, const UINT32 base,
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msg(tr("reconstructSection: can't get entry point of PEI core"), index);
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}
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}
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else
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msg(tr("reconstructSection: volume base is unknown, section can't be rebased"), index);
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}
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// Reconstruction successful
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@ -93,7 +93,7 @@ private:
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// Parsing helpers
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UINT8 findNextVolume(const QByteArray & bios, const UINT32 volumeOffset, UINT32 & nextVolumeOffset);
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UINT8 getVolumeSize(const QByteArray & bios, const UINT32 volumeOffset, UINT32 & volumeSize, bool fromHeader = true);
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UINT8 getVolumeSize(const QByteArray & bios, const UINT32 volumeOffset, UINT32 & volumeSize);
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UINT8 getFileSize(const QByteArray & volume, const UINT32 fileOffset, UINT32 & fileSize);
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UINT8 getSectionSize(const QByteArray & file, const UINT32 sectionOffset, UINT32 & sectionSize);
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@ -20,7 +20,7 @@
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<bool>true</bool>
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</property>
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<property name="windowTitle">
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<string>UEFITool 0.17.3</string>
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<string>UEFITool 0.17.4</string>
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</property>
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<widget class="QWidget" name="centralWidget">
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<property name="sizePolicy">
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