tl
rpi-open-firmware
tl | rpi-open-firmware | |
---|---|---|
54 | 12 | |
1,944 | 416 | |
1.9% | 0.2% | |
7.7 | 4.4 | |
3 months ago | 3 months ago | |
Lua | C | |
MIT License | GNU General Public License v3.0 or later |
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tl
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Ravi is a dialect of Lua, with JIT and AOT compilers
it's based off MIR, does it have something to do with https://mlir.llvm.org/ ?
for typed lua, there is another effort https://github.com/teal-language/tl in addition to the mentioned typescript approach: https://github.com/andremm/typedlua
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Lua Criticism Is Unwarranted
I had the pleasure of working with Lua 5.1 back in the late noughties. For me it's replaced Tcl whenever I want something I can configure above a C library. At the time I used it I found it quite nice but I'll also not forget the hours I wasted tracking down nil table corruptions which could have easily been caught by a type checker.
I had some hope that Luau https://luau-lang.org or Teal https://github.com/teal-language/tl would make things better but with the following example
function foo(x: number): string
- Why Fennel?
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Algebraic data types in Lua (Almost) post
I wonder why the author doesn't use Teal [0] - a typed dialect of lua.
[O] https://github.com/teal-language/tl
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Lua: The Little Language That Could
Check out Teal
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What's the deal with Fennel in Neovim?
There is already https://github.com/teal-language/tl, which is typed Lua. I think fennel exists to serve a different niche-- personally I use it not for any type features; I just like the syntax better, and others may find certain features like the macro system useful.
- Using Lua with C++
- Teal – Type Hints for Lua
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Using other languages
There's also some languages made to compile straight to Lua: - MoonScript is the most popular Lua wrapper - it's built to be more Python-like, featuring indentation-based scopes, function calls without parentheses, lambda syntax, list comprehension, and much more. - Yuescript is a modern update to MoonScript that adds more features (I haven't used it myself, so I'm not entirely sure exactly how it differs from MS). - Teal is a version of Lua that adds static typing for better code standards.
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Bog – small, strongly typed, embeddable language
Terra and Nelua are both very different in goals than Teal. Teal is literally gradual types integrated into Lua keeping as many of Lua's idioms as possible (to a fault[1]). Terra and Nelua are both very metaprogrammable systems programming languages. Nelua's goals are primarily to soften C's rough edges, comparable to something like Nim.
There's another one you missed in Pallene[2]. But again, it's goal was to optimize the stack sharing involved in using the C API. It also adds types though and maintains Lua idioms as much as possible.
[1]: https://github.com/teal-language/tl/discussions/339
[2]: https://github.com/pallene-lang/pallene
rpi-open-firmware
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Raspberry Pi receives strategic investment from Arm
> Please correct me if I'm wrong.
My memory told me it was the GPU that needed the blobs. So I asked at DDG
https://duckduckgo.com/?t=ftsa&q=binary+blobs+and+the+Raspbe...
Turned up this: https://wiki.debian.org/RaspberryPi and it says...
> All Raspberry Pi models before the 4 (1A, 1B, 1A+, 1B+, Zero, Zero W, 2, 3, Zero 2 W) boot from their GPU (not from the CPU!), so they require a non-free binary blob to boot
So the 4 (and I suppose the 5, if it ever actually comes...)
Goes on to say:
> Since then, Broadcom publicly released some code, licensed as 3-Clause BSD, to aid the making of an open source GPU driver. The "rpi-open-firmware" effort to replace the VPU firmware blob started in 2016. See more at https://news.ycombinator.com/item?id=11703842 . Unfortunately development of rpi-open-firmware is currently (2021-06) stalled.
So there you are. Not wrong, are you, but not strictly correct, depending on "...to run properly" definition
https://github.com/librerpi/rpi-open-firmware has updates 3-months ago
- LibreRPi – open source replacements for RPi firmware
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How is the free firmware for the Raspberry progressing?
many of those demos work on the the entire pi model range
pi3 support is only broken due to arm side problems, which could be fixed by just using a different bootloader
and the https://github.com/librerpi/rpi-open-firmware codebase can already boot linux headlessly on both pi2 and pi3, it uses a different arm bootloader
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Arduino Pro hardware is not open-source hardware
Yes, and some folks are reverse engineering their stuff:
https://github.com/librerpi/rpi-open-firmware/
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Hacker News top posts: Feb 25, 2021
rpi-open-firmware: open-source VPU side bootloader for Raspberry Pi\ (35 comments)
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rpi-open-firmware: open-source VPU side bootloader for Raspberry Pi
There is work being done on the RPi4, for example the SHA1 HMAC protecting the boot on the RPi4 had to be cracked (and was easily), I hear future versions have RSA signing support, so the proprietary firmware might become mandatory at some point.
https://github.com/librerpi/rpi-open-firmware/blob/master/do...
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AArch64 Boards and Perception
There is a project to create an open source version of the proprietary GPU firmware that boots into the ARM processor:
https://github.com/librerpi/rpi-open-firmware
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Taking a Stand in the War on General-Purpose Computing
I note that even the Raspberry Pi is moving towards locked down devices, the RPi4 has an (easily cracked) HMAC blocking booting into the open source firmware and I hear more recent hardware editions have RSA signing support in the bootrom code.
https://github.com/librerpi/rpi-open-firmware/blob/master/do...
What are some alternatives?
luau - A fast, small, safe, gradually typed embeddable scripting language derived from Lua
OpenBBTerminal - Investment Research for Everyone, Everywhere.
PrawnOS - Libre Mainline Kernel and Debian for arm laptops
packer.nvim - A use-package inspired plugin manager for Neovim. Uses native packages, supports Luarocks dependencies, written in Lua, allows for expressive config
lk-overlay
rpi-open-firmware - Open source VPU side bootloader for Raspberry Pi.
serverlessui - A command-line utility for deploying serverless applications to AWS. Complete with custom domains, deploy previews, TypeScript support, and more.
luaforwindows - Lua for Windows is a 'batteries included environment' for the Lua scripting language on Windows. NOTICE: Looking for maintainer.
java-keyring - Copy of Java Keyring library from bitbucket.org/bpsnervepoint -- with working CI in for osx/linux/windows keystore.
pallene - Pallene Compiler