UClinux

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Toolchain with uClinux support

Xtensa uClinux userspace is based on bFLT executable file format.

  • gcc supports xtensa*-*-uclinux* targets starting with version 6.1.

Linux kernel with noMMU support

Linux kernel mainline supports noMMU configurations starting with version 3.19.

Buildroot with noMMU support

Buildroot mainline supports noMMU configurations starting with version 2016.05.

QEMU

QEMU supports nommu variants of all XTFPGA machines starting with version 2.12.