software development tools (assembler/linker, disassembler) with source code
configurable WISHBONE interconnect generator
The LXP32 instruction set architecture doesn't have a compiler backend yet, only assembly based workflow is supported. This makes LXP32 more useful in a small bare metal SoC running from on-chip RAM.
Documentation
The LXP32 soft CPU core comes with a comprehensive and up-to-date manual which contains all the information needed to integrate the processor into your design and develop software for it: