Reference project
The main repository of Phoenix-RTOS is the phoenix-rtos-project. The project consists of the following GitHub submodule repositories.
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Standard C library. Written from scratch for Phoenix-RTOS
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Building scripts, makefile templates, rules, flags definitions, target selection and toolchain - phoenix-rtos-corelibs
Libraries for use in user space.
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Hardware drivers
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Documentation
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Filesystem drivers.
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Utilities for development PC (e.g. a tool for transferring system binary image to the target) - phoenix-rtos-kernel
Microkernel repository
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LwIP network stack
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Linux (and potentially other OSes) applications ported to Phoenix-RTOS
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POSIX server; user space server that is providing additional POSIX features not provided by the kernel itself (e.g. pipes) - phoenix-rtos-tests
Tests based on our own framework
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USB stack (both host and device)
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System utilities (e.g. native shell psh)
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Phoenix-RTOS bootloader
There are other directories and files directly in phoenix-rtos-project.
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_fs/- rootfs template, -
_targets/- rules for building the system for each hardware target, -
_user/- user applications are placed here. Some demos are available from the box - e.g. hello world, voxeldemo, -
mtd-utils- outside tool for creating jffs2 partitions, -
riscv- bootloader for RISC-V CPU, -
scripts- bash scripts for running Phoenix-RTOS on simulators (e.g. QEMU), -
build.project- bash include file, defines how to build the whole system, it is included by phoenix-rtos-build/build.sh, -
busybox-config- configuration for busybox (baseline Linux based toolkit and shell), -
docker-build.sh- script for building using docker (docker allows user to not have toolchain on his or her development PC).