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The AArch64 ABI classifies register x18 as a platform register, which means it should not be used unless the code is guaranteed to run on a platform that doesn't use it in such a capacity. GCC does not honour this requirement by default, and so we need to tell it not to touch it explicitly, by passing the -ffixed-x18 command line option. Link: https://bugzilla.tianocore.org/show_bug.cgi?id=625 Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> Reviewed-by: Leif Lindholm <leif.lindholm@linaro.org>
This directory contains the template files for the next generation of the EDK II Build infrastructure. These files will be copied into the WORKSPACE's Conf directory if and only if the target files do not exist. These files may be updated frequently. The XMLSchema directory contains the EDK II Packaging XML definitions. The schema may change in the future. It differs somewhat from the early versions of the XML Schema.