Top 23 C Kernel Projects
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Project mention: Show HN: CheesecakeOS for Raspberry Pi Volume 0: Booting, Processes, and VM | news.ycombinator.com | 2021-08-08
CheesecakeOS for Raspberry Pi Volume 0: Booting, Processes, and Virtual Memory is the first in what I hope is a series of github markdown tutorials or volumes on bare-metal from-scratch operating system development.
I have dreamed of contributing to the Linux Kernel, but have yet to find the courage to jump in and do so. I started by attempting to read Understanding the Linux Kernel by Daniel Bovet and Marco Cesati, but found it was too advanced for me at the time. I found another text I credit with advancing my understanding, Computer Systems: A Programmer's Perspective by Randall Bryant and David O'Hallaron. I worked on the self-study labs from their book website, and found them to be a superb educational tool.
Further, then becoming interested in what creating an operating system actually means, I stumbled upon Sergey Matyukevich's Rasberry-Pi-OS github repo (https://github.com/s-matyukevich/raspberry-pi-os). I wanted to expand on his tutorial, for my own education, and, in the best case, for the benefit of others.
There are many ideas taken from Linux in the implementation, as when I didn't know how to proceed, that is the source I would consult. Though, I attempt to simplify and explain the details in the text. The implementation stops short of implementing or supporting a file system, the subject of the next volume.
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Project mention: Programming a better shutdown for Windows 10? | reddit.com/r/Windows10 | 2021-09-20
If you love the old days that much, ReactOS is a Microsoft-acknowledged, open source re-implementation of Windows 2002 that removes the "highly protective" aspect of things. In practice there's only a handle of people who use it, but you seem to know your stuff so you could be one of them.
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Scout APM
Scout APM: A developer's best friend. Try free for 14-days. Scout APM uses tracing logic that ties bottlenecks to source code so you know the exact line of code causing performance issues and can get back to building a great product faster.
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Now, let's get it on the Open Source RT-Thread operating system to demonstrate how rust can be used for embedded development.
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toaruos
A completely-from-scratch hobby operating system: bootloader, kernel, drivers, C library, and userspace including a composited graphical UI, dynamic linker, syntax-highlighting text editor, network stack, etc.
Project mention: OS inspired by ToAru called ToAruOS. It's an OS written from scratch with references to the ToAru universe in it, even including a Kernel (the OS core) called 'Misaka' and a Python dialect called 'Kuroko'. Very interesting and fun stuff | reddit.com/r/toarumajutsunoindex | 2021-09-10 -
Project mention: `bustd` is a really lightweight process killer daemon for out-of-memory scenarios on Linux | reddit.com/r/rust | 2021-07-31
Along similar lines, multi-generational LRU. I don't know how close either of these are to making it into mainline, or whether the developers of multi-gen LRU were aware of the older efforts from 2010, but multi-gen LRU is available in zen-kernel.
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Follow https://github.com/TheOfficialFloW/h-encore/releases to update.
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I spent 5 years writing my own operating system\ (116 comments)
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Look at Embox (https://github.com/embox/embox). It has its own TCP/IP stack and the support of STM32 boards including H7. The TCP stack has even more rich features than lwIP (see about design web-sites in the article (https://anton-bondarev.medium.com/design-web-site-on-linux-and-running-on-a-stm32-mcu-1e8298d33772)
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Project mention: You can only take 1 terabyte of data into a total societal collapse. What do you save? | reddit.com/r/DataHoarder | 2021-08-07
From https://github.com/jbruchon/elks
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Project mention: Does wacom one tablet (no display) support mypaint on Linux? | reddit.com/r/mypaint | 2021-08-12
You can see the supported device here.
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>"Ghost is a hobby operating system for the Intel x86 platform. The project is licensed as GPLv3. It was started as a research project to learn more about low-level software programming and computer internals. The sources are available on GitHub (https://github.com/maxdev1/ghost).
Features
The kernel and the userspace applications are written from scratch in C++ and Assembly (and some C). It is not based on any existing kernel.
There is a POSIX.1 compatibility layer to simplify porting some software to the system.
o Micro-kernel
o Symmetric multi-processing
o Patched GCC (OS specific toolchain)
o IPC (pipes, signals, messages, shared memory)
o ELF executable & shared library support
o libc, self-made
o libghostapi, kernel API library
o libghostuser, simplified file I/O, creating UIs etc.
o libstdc++ port
o VESA video driver
o Window server (GUI with homemade toolkit)
o PS/2 keyboard & mouse driver
o Userspace filesystem driver support
o Serial COM1 debug interface
o Virtual 8086 for BIOS calls
o Copy-on-write implementation, fork()
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unikraft
Unikraft is an automated system for building specialized OSes known as unikernels. Unikraft can be configured to be POSIX-compliant. (Core repository)
Project mention: I spent 5 years writing my own operating system | news.ycombinator.com | 2021-06-26 -
OpenJailbreak
GeoSn0w's OpenJailbreak Project, an open-source iOS 11 to iOS 13 Jailbreak project & vault.
https://github.com/GeoSn0w/OpenJailbreak This may help you
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P.S: Github repo
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How about reading the exploit FAQ on github? https://github.com/TheOfficialFloW/h-encore-2 Since you are already on 3.65 just install Enso.
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wiser
:racehorse: Extremely minimal vmm for linux written in C. Hopefully someday will spin linux-vm for you.
Project mention: Wiser – minimal hypervisor boots Linux VM. Written in C | news.ycombinator.com | 2021-07-22 -
Link: https://github.com/oneOS-Project/oneOS
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yes!!! but not lfs, let’s do this git clone --depth=1 https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git cd linux cp /boot/uname -r-config ./.config # todo: correct? make bzImage ln -s arch/x86/boot/bzImage ../bzImage_x86 wget https://busybox.net/downloads/busybox-1.33.1.tar.bz2 tar xjvf busybox-1.33.1.tar.bz2 cd busybox-1.33.1/ make allnoconfig make menuconfig # set OS name to BusyBox/Linux cause we don’t use GNU make make install mv _install ../fs cd ../filesystem mkdir -pv {dev,proc,etc/init.d,sys,tmp} sudo mknod dev/console c 5 1 sudo mknod dev/null c 1 3 cat >> etc/motd << EOF I am a fat nerd anyway welcome to my distro EOF cat >> etc/inittab << EOF ::sysinit:/etc/init.d/rc ::askfirst:/bin/sh ::restart:/sbin/init ::ctrlaltdel:/sbin/reboot ::shutdown:/bin/umount -a -r EOF cat >> etc/init.d/rc << EOF #!/bin/sh mount -t proc none /proc mount -t sysfs none /sys clear cat /etc/motd /bin/sh EOF chmod +x etc/init.d/rc sudo chown -R root:root . find . | cpio -H newc -o | gzip -9 > ../rootfs.cpio.gz cd .. qemu-system-i386 -kernel bzImage_x86 -initrd rootfs.cpio.gz done
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Vulnerable-Kext
A WIP "Vulnerable by Design" kext for iOS/macOS to play & learn *OS kernel exploitation
Project mention: GitHub - ant4g0nist/Vulnerable-Kext: A WIP "Vulnerable by Design" kext for iOS/macOS to play & learn *OS kernel exploitation | reddit.com/r/bag_o_news | 2020-12-29 -
Project mention: Intel C/C++ compilers complete adoption of LLVM | news.ycombinator.com | 2021-08-12
There's an semi-official github[0] for this.
AFAICT from the issue, Clang and binutils/LLVM tools work fine with no patches for the mainstream archs and when not trying to be super-fancy with custom flags. The more non-mainstream one goes with arch or flags the more likely one will run into something.
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brutal
🏢 An operating system inspired by brutalist design that combines the ideals of UNIX from the 1970s with modern technology and engineering
Project mention: What project can I do in the C programming language to get better at using pointers? | reddit.com/r/C_Programming | 2021-09-08
Index
What are some of the best open-source Kernel projects in C? This list will help you:
| Project | Stars | |
|---|---|---|
| 1 | raspberry-pi-os | 10,732 |
| 2 | reactos | 9,867 |
| 3 | rt-thread | 6,214 |
| 4 | winfsp | 3,778 |
| 5 | toaruos | 3,698 |
| 6 | zen-kernel | 1,016 |
| 7 | h-encore | 981 |
| 8 | winix | 892 |
| 9 | tilck | 880 |
| 10 | embox | 656 |
| 11 | elks | 454 |
| 12 | input-wacom | 378 |
| 13 | ghost | 377 |
| 14 | unikraft | 363 |
| 15 | OpenJailbreak | 293 |
| 16 | emerald | 250 |
| 17 | h-encore-2 | 250 |
| 18 | wiser | 230 |
| 19 | opuntiaOS | 228 |
| 20 | linux | 218 |
| 21 | Vulnerable-Kext | 207 |
| 22 | linux | 203 |
| 23 | brutal | 191 |
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