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LatticeMico32 ============= LatticeMico32 is a soft processor originally developed by Lattice Semiconductor . It was released under an open IP core license. This is a fork of the original sources distributed by Lattice. It includes new features, bugfixes and support for other FPGA devices. All additional features are BSD-licensed. Please note that this is only the processor core, not a complete SoC. Original Features ================= * 32-bit RISC architecture * Six stage pipeline * Two Wishbone bus interfaces for instruction and data * 32 external interrupts * 32 general purpose registers * Instruction and data caches * Embedded instruction ROM and data RAM support Added Features ============== * MMU support * Non-privileged user-mode support * JTAG support for Xilinx Spartan-6 devices * Test bench (using Icarus Verilog ) * Replaced device specific primitives with generic verilog modules * Unit tests shared with QEMU Reference Manual ================ You can find the reference manual at . Getting Started =============== This repository provides all you need to simulate programs with the system test bench. Try it, by typing make sim_hello_world in the test/ directory. For an example of a larger project which uses this core, see MiSoC . References ==========  http://www.latticesemi.com  http://www.latticesemi.com/documents/doc20890x45.pdf  http://iverilog.icarus.com  http://github.com/milkymist/misoc