rust
FreeRTOS-rust
rust | FreeRTOS-rust | |
---|---|---|
5 | 2 | |
5 | 319 | |
- | 2.2% | |
0.0 | 4.1 | |
1 day ago | about 1 month ago | |
Rust | Rust | |
GNU General Public License v3.0 or later | MIT License |
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rust
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[Help] How do I port Rust to a new OS where there is no LLVM support?
For what it's worth, this is the script I'm using to build for our platform: build.ps1 / build.sh
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Can i create a rust compiler for my custom made OS?
Note that before I got the target triple upstream, I had to provide my own target json file. That's here: https://github.com/betrusted-io/rust/blob/1.53.0-xous/riscv32imac-unknown-xous-elf.json and you can adapt it as necessary. Simply creating the file in the correct path is enough. This is the code that does that: https://github.com/betrusted-io/rust/blob/e39344c5473d49a0cb4d45de119ad23713a00ed4/rebuild.ps1#L65
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How to fully replace/reimplement std?
Everything you need to know to build for our platform is at https://github.com/betrusted-io/rust/ and maybe the scripts or patches there will be interesting to you.
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Rust: A Critical Retrospective
Rust does use a Rust port of dlmalloc on platforms that don't provide malloc() and free(). We did port this to Xous, but ran into a feature bug that caused locking to be disabled. That was the source of weird and subtle bugs, which is how he discovered that fact about allocators.
This is correct.
When you tell someone to install Rust, they go to rustup.rs and install the latest version. Therefore, we need to have a libstd port for the latest version. Which effectively means we need to release libstd as soon as possible after the compiler is released. Our `sys` directory is at https://github.com/betrusted-io/rust/tree/1.61.0-xous/librar... and isn't too complicated. It's about 50 patches that need to be carried forward every six weeks.
Fortunately libstd doesn't change too much, at leaset not the parts we need. And I can usually pre-port the patches by applying them to `beta`, which means the patches against the release version usually apply cleanly.
It's still better than requiring nightly, which has absolutely no stability guarantees. By targeting stable, we don't run into issues of bitrot where we accidentally rely on features that have been removed. Rather than adjusting every service in the operating system, we just need to port one library: libstd
I've considered trying to upstream these, but I'm not sure how the rust team would feel about it.
FreeRTOS-rust
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How to fully replace/reimplement std?
Maybe, this will help you: https://github.com/lobaro/FreeRTOS-rust
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ESP32-H2 Bluetooth LE & 802.15.4 RISC-V SoC shows up in ESP-IDF source code
I wonder how much is missing to get FreeRTOS with Rust adaption and FreeRTOS from the ESP-IDF fiddled together.
What are some alternatives?
jnode - Code for the JNode operating system
zephyr - Primary Git Repository for the Zephyr Project. Zephyr is a new generation, scalable, optimized, secure RTOS for multiple hardware architectures.
snapbox - Snapshot testing for CLIs
Modbus-STM32-HAL-FreeRTOS - Modbus TCP and RTU, Master and Slave for STM32 using Cube HAL and FreeRTOS
xargo - The sysroot manager that lets you build and customize `std`
Awesome-Embedded - A curated list of awesome embedded programming.
wg-cargo-std-aware - Repo for working on "std aware cargo"
Lua-RTOS-ESP32 - Lua RTOS for ESP32
miri - An interpreter for Rust's mid-level intermediate representation
stm32f103-example - A tiny example project for the STM32F103
heapless - Heapless, `static` friendly data structures
modern-embedded-programming-course - Companion repository to the "Modern Embedded Systems Programming" video course.