Method reconstructIntelImage

ffsengine.cpp:3050–3235

}

UINT8 FfsEngine::reconstructIntelImage(const QModelIndex& index, QByteArray& reconstructed)
{
    if (!index.isValid())
        return ERR_SUCCESS;

    UINT8 result;

    // No action
    if (model->action(index) == Actions::NoAction || model->action(index) == Actions::DoNotRebuild) {
        reconstructed = model->header(index).append(model->body(index));
        return ERR_SUCCESS;
    }

    // Other supported actions
    else if (model->action(index) == Actions::Rebuild) {
        reconstructed.clear();
        // First child will always be descriptor for this type of image
        QByteArray descriptor;
        result = reconstructRegion(index.child(0, 0), descriptor);
        if (result)
            return result;
        reconstructed.append(descriptor);

        // Check descriptor size
        if ((UINT32)descriptor.size() < FLASH_DESCRIPTOR_SIZE) {
            msg(tr("reconstructIntelImage: descriptor is smaller than minimum size of 1000h (4096) bytes"));
            return ERR_INVALID_FLASH_DESCRIPTOR;
        }

        const FLASH_DESCRIPTOR_MAP* descriptorMap = (const FLASH_DESCRIPTOR_MAP*)(descriptor.constData() + sizeof(FLASH_DESCRIPTOR_HEADER));
        // Check sanity of base values
        if (descriptorMap->MasterBase > FLASH_DESCRIPTOR_MAX_BASE
            || descriptorMap->MasterBase == descriptorMap->RegionBase
            || descriptorMap->MasterBase == descriptorMap->ComponentBase) {
            msg(tr("reconstructIntelImage: invalid descriptor master base %1h").hexarg2(descriptorMap->MasterBase, 2));
            return ERR_INVALID_FLASH_DESCRIPTOR;
        }
        if (descriptorMap->RegionBase > FLASH_DESCRIPTOR_MAX_BASE
            || descriptorMap->RegionBase == descriptorMap->ComponentBase) {
            msg(tr("reconstructIntelImage: invalid descriptor region base %1h").hexarg2(descriptorMap->RegionBase, 2));
            return ERR_INVALID_FLASH_DESCRIPTOR;
        }
        if (descriptorMap->ComponentBase > FLASH_DESCRIPTOR_MAX_BASE) {
            msg(tr("reconstructIntelImage: invalid descriptor component base %1h").hexarg2(descriptorMap->ComponentBase, 2));
            return ERR_INVALID_FLASH_DESCRIPTOR;
        }


        const FLASH_DESCRIPTOR_REGION_SECTION* regionSection = (const FLASH_DESCRIPTOR_REGION_SECTION*)calculateAddress8((const UINT8*)descriptor.constData(), descriptorMap->RegionBase);
        QByteArray gbe;
        UINT32 gbeBegin = calculateRegionOffset(regionSection->GbeBase);
        UINT32 gbeEnd = gbeBegin + calculateRegionSize(regionSection->GbeBase, regionSection->GbeLimit);

        QByteArray me;
        UINT32 meBegin = calculateRegionOffset(regionSection->MeBase);
        UINT32 meEnd = meBegin + calculateRegionSize(regionSection->MeBase, regionSection->MeLimit);

        QByteArray bios;