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Welcome to the Linux/Xtensa Wiki

This Wiki project provides information for running and porting Linux and other Open Source Software to the Xtensa processor architecture.

The Xtensa processor architecture is a configurable, extensible, and synthesizable 32-bit RISC processor core. All Xtensa processors share a common base instruction set architecture, thereby ensuring compatibility of third party application software and development tools. Many architecture specific projects, such as the Linux kernel, GNU toolchain, and other development tools and applications already support the Xtensa architecture. Modifications to support a specific processor configuration are limited to a small set of configuration files, and the process is mostly automated. The pages listed under Developing on the Xtensa Platform provide information to support a specific configuration.

Getting Started Supported Processors Evaluation Platforms Instructions for building and booting Linux Support Mailing Lists Status of the Xtensa Port Supported Processor Configurations

Developing on the Xtensa Platform Toolchain and Embedded Distributions Linux Kernel Boot Loader Developers' Resources Porting the Kernel to a new Platform (Board) ABI Interface Xtensa on QEMU Testing and Verification

NOTE: Due to spam, creation of new wiki accounts has been disabled until further notice. If you want to get an account, and be able to edit or contribute anything, please try sending an email to the linux-xtensa mailing list identifying yourself and what you want to contribute.