xv6-riscv
darwin-xnu
xv6-riscv | darwin-xnu | |
---|---|---|
17 | 186 | |
6,199 | 10,694 | |
5.2% | - | |
0.0 | 0.0 | |
16 days ago | over 1 year ago | |
C | C | |
GNU General Public License v3.0 or later | GNU General Public License v3.0 or later |
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xv6-riscv
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The rxv64 Operating System: MIT's xv6, in Rust, for SMP x86_64 machines
okay, fair. i only got misled by the title of the post, which claims all-rust xv6 port.
now that we cleared the userland part, here’s what I’m contemplating on the kernel side. i can’t think of anything simpler and more staple than this, so:
https://github.com/dancrossnyc/rxv64/blob/main/kernel/src/ua...
https://github.com/mit-pdos/xv6-riscv/blob/riscv/kernel/uart...
honestly - i don’t feel at ease to tell which driver code is more instructional, which is easier to read, which is better documented, which is better covered with tests, which has more unsafety built into it (explicit or otherwise), what size are the object files, and what is easier to cross-compile and run on the designated target from, say, one of now-ubiquitous apple silicon devices.
lest we forget that the whole point of it is “pedagogical”, i.e. to learn something about how a modern OS can be organized, and how computer generally works.
and i’m just not sure.
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Xv6: A modern, x86 reimplementation of 6th Edition Unix
The x86 version of xv6 is no longer updated, the last updates took place about 7 years ago. Current xv6 supports RISC V in qemu, there are also ports to real RISC V devices (Kendryte/Canaan K210, Allwinner D1, StarFive JH7110, some hacked by me) and FPGA implementations ().
https://github.com/mit-pdos/xv6-riscv/ (qemu)
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seeking another faculty member re: xv6
I am no help with recruitment, but simple search revealed "https://github.com/mit-pdos/xv6-riscv", were you aware of this?
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MINIX is an awesome way to learn a wide range of CS concepts
Different repo under same org https://github.com/mit-pdos/xv6-riscv
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Ask HN: Examples of Microkernels?
I'm reading through the MIT xv6 OS handbook and code (here: https://github.com/mit-pdos/xv6-riscv/) and they mention the fact that they created it as a monolithic kernel since most unix systems are monolithic. They then introduce the microkernel concept. Are there microkernel concepts out there (especially code) I can check out? I'm curious to see how userspace processes communicate to kernel processes to execute privileged actions.
- Risc V Assembly and Qemu
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How does multiprocessing on a multivitamin cpu work?
Yeah its from here: https://github.com/mit-pdos/xv6-riscv x86 version here: https://github.com/mit-pdos/xv6-public
- Xv6 for RISC-V
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How do I become an Operating Systems developer?
I would start with working through an OS textbook. Tanenbaum is highly regarded although I worked through OStep and I felt it was very approachable. Also check out wiki.osdev.org. Also, here's a re-inplementation of Unix version 6. I've been meaning to play around with it for a while.
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Can't get xv6 to run on arch linux
NOTE: we have stopped maintaining the x86 version of xv6, and switched our efforts to the RISC-V version (https://github.com/mit-pdos/xv6-riscv.git)
darwin-xnu
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What font is thls?
Here's the C source code of the font itself, as a 256x16 array of 8 bit values.
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Long before CentOS or RHEL, a reminder from 2000: RedHatIsNotLinux.org
> Update: fortunately there's still Mac OS.
Go download the source for Darwin.. https://github.com/apple/darwin-xnu
Compile it. Install it on your MacBook. Tell us how well MacOS boots that kernel.
- Apple’s Game Porting Toolkit is Wine
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The real murder is always in the comments
What is still true? That apple kernels are Mach kernels? It still is very true. Darwin is (mostly) open source, you can check it out here: https://github.com/apple/darwin-xnu
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[D] ClosedAI license, open-source license which restricts only OpenAI, Microsoft, Google, and Meta from commercial use
Everything that includes copyleft code is open source. You can see https://opensource.apple.com for a full list
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Google Leaked Doc: OpenAI doesn’t matter
Jup! Their kernel was based on FreeBSD, IIRC, and is Open Source!
- An improvement to Apple's XNU kernel
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Linux is too proprietary and slow compared to Windows 11
Funfact darwin itself is open source aswell: apple/darwin-xnu: The Darwin Kernel (mirror). This repository is a pure mirror and contributions are currently not accepted via pull-requests, please submit your contributions via https://developer.apple.com/bug-reporting/ (github.com)
- Linux got nothing on macOS
- Top Ten Fallacies About RISC-V
What are some alternatives?
xv6-public - xv6 OS
DeepCreamPy
riscv-gnu-toolchain - GNU toolchain for RISC-V, including GCC
linux-m1 - Linux kernel source tree
uom - Units of measurement -- type-safe zero-cost dimensional analysis
ravynos - A BSD-based OS project that aims to provide source and binary compatibility with macOS® and a similar user experience.
rrs - Rust RISC-V Simulator
freebsd-src - The FreeBSD src tree publish-only repository. Experimenting with 'simple' pull requests....
minixfromscratch - Development and compilation setup for the book versions of MINIX (2.0.0 and 3.1.0) on QEMU
darling - Darwin/macOS emulation layer for Linux
lambda-calculus - A lambda calculus interpreter that works on desktop and wasm
xnu