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2af03ebfb8
Currently the partition layout is hardcoded to create an EFI/FAT partition and a UFS root partition, with some logic to handle GPT/MBR differences. On RISC-V platforms we are seeing the emerging pattern that firmware should be placed in a partition of a known type, rather than just a known sector of the disk. Thus, some functionality is needed to customize the layout for SD card images. Add a hook, arm_create_partitions(), which can be overridden to insert additional platform-specific partitions, possibly preceding the standard EFI and UFS ones. A couple of new variables are added to track the indices, e.g. ROOTFSPART_SUFFIX=p2. In a couple places this de-duplicates the GPT/MBR logic. Reviewed by: manu, karels, imp MFC after: 1 month Sponsored by: The FreeBSD Foundation Differential Revision: https://reviews.freebsd.org/D43848