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ReBarUEFI 0.3

A UEFI DXE driver to enable Resizable BAR on systems which don't support it officially. Learn what's new on this latest version. Click here if the download does not begin automatically.

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More about ReBarUEFI

The module is added to the UEFI firmware's DXE volume so it gets executed on every boot. The ReBarDxe module replaces the function PreprocessController of PciHostBridgeResourceAllocationProtocol with a function that checks for Resizable BAR capability and then sets it to the size from the ReBarState NVRAM variable after running the original function.

The new PreprocessController function later gets called during PCI enumeration by the PciBus module which will detect the new BAR size and allocate it accordingly. Read more.

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