Hi Gerd,
If uses a single HOB, it must define a structure in this library, and it may be more complicated to build and parse the HOB.Hi,+EFI_GUID mFwCfgSelectorAddressGuid = FW_CONFIG_SELECTOR_ADDRESS_HOB_GUID; +EFI_GUID mFwCfgDataAddressGuid = FW_CONFIG_DATA_ADDRESS_HOB_GUID; +EFI_GUID mFwCfgDmaAddressGuid = FW_CONFIG_DMA_ADDRESS_HOB_GUID;Oh. I assumed that would be obvious (because it's common practice for HOBs), but I was thinking about a single HOB containing a struct with all three values instead of a separate HOB for each value.
take care, Gerd