Current Intel server chipsets include a built-in 'efi-shell' which appears to basically be a simplified 'NIX with a command set suitable for manipulating some nifty UEFI boot options. It is also the case that some of Intel's firmware upgrade tools now require 'efi-shell' to run.
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U-boot V2 2/5 Efi_loader: Devicepathtotext For Mac Os
The patch series provides the DevicePathToText function for MAC addresses and some error corrections. The 1st patch removes duplicate constants that we already have defined in efiapi.h. The 2nd patch implements the DevicePathToText function for MAC addresses. The 3rd patch supplies additional debug output. The 4th patch adds a missing parameter check. Signed-off-by: Heinrich Schuchardt Heinrich Schuchardt (4): efiloader: do not duplicate constants for device path efiloader: DevicePathToText for MAC address efiloader: debug info in eficonvertdevicepathtotext efiloader: parameter check eficonvertdevicepathtotext lib/efiloader/efidevicepathtotext.c 40 - 1 file changed, 36 insertions(+), 4 deletions(-) - 2.11.0 U-Boot mailing list. We should not duplicate existing constants used by the device path protocol.
The debug information provided by eficonvertdevicepathtotext is insufficient. The type and the subtype are needed to find out why the function did not support a conversion.