LINUS

This portal is the primary resource for the community of developers and users of the Linux operating system on Xtensa processors... The Xtensa processor architecture is a configurable, extensible, and synthesizable 32-bit RISC processor core. Processor and SOC vendors can select from various processor options and even create customized instructions in addition to a base ISA to tailor the processor for a particular application... To quickly get started building Linux from sources for Xtensa: the preferred approach is to clone the latest sources via GIT, as described in the Wiki pages and Buildroot Build Instructions.