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This paper combines a chain of academic tools to form an FPGA compilation flow for building partially reconfigurable modules on lightweight embedded platforms. Our flow - EFCAD - supports the entire stack from RTL (Verilog) to (partial) bitstream, and we demonstrate early results from the onchip ARM processor of, and targeting, the latest 16nm generation of a Zynq UltraScale+ MPSoC device. With this, we complement Xilinx's PYNQ initiative to not only facilitate System-on-Chip research and education entirely within an embedded system, but also to allow building new and specialising existing customcomputing accelerators without needing access to a workstation.