Search Results for "c memory allocator"
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Showing 71 open source projects for "c memory allocator"
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os-tutorial
How to create an OS from scratch
os-tutorial is an open source educational project by cfenollosa that teaches the basics of building an operating system from scratch. The repository provides step-by-step lessons starting with bootloaders and moving through kernel development, interrupts, memory management, and system calls. Each tutorial is accompanied by clear explanations, code examples, and references to deepen understanding. The project uses x86 assembly and C to illustrate concepts, making it accessible to students and hobbyists interested in low-level programming. By compiling and running the examples with tools like QEMU, learners gain hands-on experience with OS fundamentals. ... -
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NSync
nsync is a C library that exports various synchronization primitives
...This approach simplifies concurrency management and often improves readability and maintainability of multithreaded code. The library emphasizes efficiency, with locks and condition variables occupying minimal memory and supporting cancellation mechanisms through nsync_note objects rather than thread-level cancellation. Designed with portability and performance in mind, nsync can be compiled on Unix-like systems and Windows using a C90 compiler. -
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gVisor
Application Kernel for Containers
gVisor is an application kernel developed by Google that provides a strong layer of isolation between applications and the host operating system. Written in Go, it implements a Linux-compatible system call interface that runs entirely in user space, creating a secure sandboxed environment for containers. Unlike traditional virtual machines or lightweight syscall filters, gVisor follows a third approach that offers many of the security benefits of virtualization while maintaining the speed,... -
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chickernel redmi note 12/13 [ARCHIVED]
A tapas/topaz/sapphire kernel optimized for smoothness and low-memory
A kernel carefully optimized for - low-memory, and performance - moderate power savings Speciifically crafted (and tested) for the 4GB variant in mind ❤️ tapas/topaz/sapphire/sapphiren ⭐ ⚠️ THIS PROJECT IS DISCONTINUED/ARCHIVED ⚠️ Download notes: ✅ chickernel-xxx.zip ✅ ❌ chickernel-xxx release source code.zip ❌ Installation guide: - Download via the "files" tab - Reboot to recovery and install the zip - Enjoy ⚠️ Full details in my GitHub release tab... -
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ttf-gdos
TTF-GDOS is an Atari GDOS replacement that uses true type fonts
TTF-GDOS is a GDOS replacement that uses true type fonts as well as gem fonts. It is small, fast & efficient and can easily be used without a hard drive. It also incorporates features roughly equivalent to font-GDOS: - a caching system so you can use more fonts for a given amount of memory, - built in bezier functions This release includes ttf2gem, a utility program that creates accurate gem fonts from a true type font (new for 2.3) Using true type fonts gives you 3 big... -
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ChibiOS/RT is a free and efficient RTOS designed for deeply embedded applications. It offers a comprehensive set of kernel primitives and supports many architectures: ARM7, Cortex-M0, Cortex-M3, Cortex-M4, PowerPC e200z, STM8, AVR, MSP430, ColdFire, H8S, x86.
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Objeck
Simple ⇒ Object-Oriented ⇒ Functional
Objeck is an object-oriented programming language with functional features. Objeck emphasizes, expression, simplicity, portability, and scalability. The programming environment consists of a compiler, virtual machine, and command line debugger with IDE plugins. -
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Photo rotate
This program spins an image, and does a pulsating distortion.
Rotate pictures. You load a picture which is type png or jpeg. The program makes it rotate as if on a turntable, and keys D - K adjust the speed. And keys Z X are zoom, and keys C, V, B do a distortion. Key L is for load, S for save. Only the loading L works well. With spacers24.exe the up; left; right arrow keys are for loading pictures from the same folder. It works by scanning a picture in concentric circles, and producing a table of numbers which contains pixel colors and their addresses on a bitmap memory. ... -
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operating system simple
Operating System Guide Dari 0
operating_system_guide is a curated, beginner-friendly resource aimed at helping aspiring developers learn how to create an operating system from scratch. Maintained by AzkaDev, the guide collects educational materials, links, and code snippets that walk learners through each major component of OS development—from bootloaders to kernel structures and system calls. While still evolving, the guide acts as a roadmap and inspiration hub for those wanting to explore low-level systems programming... -
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Cambridge Z88
Software development for 4Mb portable, using Z80 CPU and AA batteries
This project is for the portable computer "Cambridge Z88", produced by Sir Clive Sinclair (of ZX Spectrum fame). We continue to support software development (ROM, 3rd party apps on memory cards and desktop applications). We have moved to https://cambridgez88.jira.com/wiki (development, source code and documentation). However, we continue to publish files for download here. -
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Visopsys
Alternative operating system for x86 computers
Visopsys is an alternative operating system for PC compatible computers. In development since 1997, this system is small, fast, and open source. It features a simple but functional graphical interface, pre-emptive multitasking, and virtual memory. Though it attempts to be compatible in a number of ways, Visopsys is not a clone of any other operating system. You can demo the distribution from a “live” CD/DVD or floppy disk -
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Tiny Multi Bootloader+
Serial Bootloader for Microchip, Atmel, NXP, TI, 8051 microcontrolers
What is it? It's a Bootloader for Microchip, Atmel, NXP, TI and 8051 devices. A Bootloader is a firmware running in the microcontroler device which allows the user to send it's own firmware without the need of a programmer. This Bootloader consists of: - firmwares for many devices (this firmware need to be send to the device's flash memory with a programmer, only once) - a PC software which communicates with the bootloader firmware in the device and send the user's program in its... -
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SerpaeOS
A cute and educational x86 OS
SerpaeOS is a free, open-sourced x86 OS. It aims to provide a good resource for OSDevers to observe how certain features are implemented. The latest version is 23.2.1 Have a tip? Found a bug? Have a comment? Want to help? Contact us at serpaeos.devers@gmail.com Buy me a coffee! :) https://bmc.link/serpaeosdeL System Requirments: *4 GB Memory *4GB minimum PATA Hard Disk connected to the master slot on the primary IDE controller. *x86 processor -
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SpecOS
A multi-threaded-style OS for the Spectrum +3
A multi-threaded-style OS for the Spectrum +3. Based on a kernel/userland model, it decouples the kernel implementation from the run-time system call mechanism, and provides for some POSIX-style functions. A file descriptors layer provides abstraction for easy file redirection. Userland processes are relocatable, and have no knowledge of the kernel or memory layout, leaving the flexibility to change the memory paging model without requiring a recompile of all userland programs. -
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raspberry-pi-os
Learning operating system development using Linux kernel and Raspberry
This project provides a step-by-step educational guide on building a simple operating system kernel entirely from scratch, specifically targeting the Raspberry Pi 3. The operating system, referred to as RPi OS, is inspired by the Linux kernel but remains intentionally minimal to focus on clarity and teaching fundamental OS concepts. Each lesson introduces a kernel feature and demonstrates its implementation within RPi OS, followed by a comparison to how the same concept is realized in the... -
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OS Zero
Simplest kernel for cooperative multithreading
Simplest of possible ways to multithreading on the smallest microcontrollers. This project is demonstration the programming technique of the multithreading with polling the system state. Published code debugged and ready to use in your projects. -
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KISS'EM
An little operating system
KISS'em is an written in C, delivering something similar to object by kernel. Each kernel module could create object and one object could have many interfaces. For example filesystem could be accessed as an file (block device) or as filesystem, referencing to the same object. KISS'em will have webassembly support with support swap webassembly program memory. -
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Pharos
RTOS for Secure, Safe and Real-Time Systems
Pharos is a free open-source RTOS for secure, safe and real-time systems with the following characteristics: - Memory and enhanced time partitioning (TSP) - Native support for sporadic, periodic and aperiodic threads - Fixed-priority preemptive scheduler - Execution time protection (threads are prevented from executing for more time than they are configured to) - Small size (full image has ~100 to 300KiB text, ~30KiB data) - Hard real-time determinism - Fast critical sections -... -
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BootDebug
A Debug style tool for OS Free systems
BootDebug is kind of an odd ball tool. It boots up like an OS (using Grub) but is not really an OS at all. What it provides is a tool to look at the system in a very pure state, allowing you to see exactly what is going on at they very start of the system powering up. -
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Fiwix
A UNIX-like kernel for the i386 architecture
FiwixOS 3 is a Fiwix distribution, an operating system made from a software collection that is based upon the Fiwix kernel. It basically comprises a Fiwix kernel, GNU tools, libraries and additional software. All the included software is free and open-source software made available both as compiled binaries and in source code form, which allows modifications to the original software. FiwixOS 3 uses the Newlib v3.1.0 as its C standard library, and the Ext2 as its primary file... -
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Kernelloader
Run Linux on the Playstation 2
Kernelloader is a free bootloader for PS2 Linux and other Playstation 2 operating systems. Loading can be done by "Action Replay Media Player", by "memory card exploit", by "FMCB" or any other homebrew loading method. If you downloaded the latest Linux Live DVD, you need to run the online updater to be able to play Youtube videos. -
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TOS
An operating system for tenputer
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This is a collection of libraries contained : Shared memory allocation, configuration script processor, containers (trees, lists, queues, stacks), file system abstraction, network library, timers/threads, Image library, Display libraries, and more.
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RAMvader-DeadSpace
A trainer (hacks!) for the game Dead Space.
[ATTENTION] As of 2018-09-02 this project has been moved to GitHub and is now available in the link provided below: https://github.com/vinicius-ras/ramvader-deadspace RAMvader-DeadSpace is an opensource trainer for the game Dead Space. It has been developed using C# (WPF for user interface, p/Invoke to make calls to lower-level Windows API) and some Assembly instructions. RAMvader-DeadSpace uses the RAMvader library to have access to most low-level trainer functionality, such as performing reading and writing operations in the game's memory space. RAMvader-DeadSpace is actually a project created to showcase the power and ease of use of the RAMvader library. ... -
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RAMvader-LittleFighter2
A trainer (hacks!) for the game Little Fighter 2.
[ATTENTION] As of 2018-09-02 this project has been moved to GitHub and is now available in the link provided below: https://github.com/vinicius-ras/ramvader-littlefighter2 RAMvader-LittleFighter2 is an opensource trainer for the game Little Fighter 2. It has been developed using C# (WPF for user interface, p/Invoke to make calls to lower-level Windows API) and some Assembly instructions. RAMvader-LittleFighter2 uses the RAMvader library to have access to most low-level trainer functionality, such as performing reading and writing operations in the game's memory space. RAMvader-LittleFighter2 is actually a project created to showcase the power and ease of use of the RAMvader library. ...
