25 dépôts
Tools for launching operating system images within virtualized environments for graphical interaction.
Distinct from Hardware Interface Emulators: Distinct from Hardware Interface Emulators: focuses on full system emulation rather than specific hardware interface simulation.
Explore 25 awesome GitHub repositories matching operating systems & systems programming · System Emulators. Refine with filters or upvote what's useful.
shadPS4 is a C++ game emulator and hardware virtualization tool designed to replicate the PlayStation 4 system environment and hardware to run console software on a computer. It functions as a cross-platform application compatible with Windows, Linux, macOS, and FreeBSD. The project serves as a graphics debugging tool capable of dumping shaders and integrating with rendering tools for performance analysis. It provides a system for recreating the console environment through the import of official firmware files, system fonts, and the use of decrypted keys for tracking game trophies. The emula
Replicates console operating system functions and library calls through high-level emulation to improve performance.
RPCS3 is a C++ application that functions as a software environment for executing and managing PlayStation 3 console titles on desktop operating systems. It operates by translating proprietary console hardware instructions and graphics commands into formats compatible with modern computer hardware, allowing for the execution of original game software. The emulator distinguishes itself through a comprehensive suite of tools for managing game libraries, applying software patches to modify performance characteristics, and tracking the compatibility status of individual titles. It includes integr
Replicates the console operating system functions and library calls to allow software to execute without requiring full hardware virtualization.
This project is a freestanding kernel written in Rust that boots on x86 hardware without a standard library. It serves as a low-level system implementation focusing on the creation of a bare metal operating system. The system implements a bootable disk image toolchain that transforms source code into binaries compatible with a bootloader. It features a custom memory allocator for dynamic memory management and an x86 kernel implementation that includes paging, interrupt handling, and VGA text mode. The project covers several core capability areas, including low-level memory management through
Launches compiled disk images in virtual machines to test kernel behavior.
Redox is a POSIX-compliant, microkernel-based operating system written entirely in Rust. By utilizing a memory-safe language for the kernel and all system components, the project eliminates common vulnerabilities such as buffer overflows and use-after-free errors. Its architecture relies on a minimal kernel that manages only essential hardware and process isolation, delegating all other system services to unprivileged user-space processes. The system distinguishes itself through a modular design where hardware drivers and system services run as independent user-space daemons, allowing them to
Launches the operating system image within a virtualized environment to allow testing and interaction with the graphical user interface.
This project is a tutorial and framework for building a low-level, bare-metal operating system from scratch using the Rust language. It focuses on ARMv8 kernel development specifically for the Raspberry Pi 3, providing the resources necessary to implement a monolithic kernel that runs directly on hardware without an underlying operating system. The project distinguishes itself by providing a complete embedded cross-compilation suite within a containerized environment to ensure consistent builds. It includes a dedicated kernel deployer that uses a serial interface and chainloader to load and b
Enables testing of kernel functionality via system emulation before deploying to physical hardware.
Dolphin is a software environment that simulates GameCube and Wii console hardware, allowing users to execute game discs and digital software on modern computing platforms. It functions by translating original console processor instructions into native host machine code at runtime and intercepting low-level graphics commands to render them through modern graphics APIs. The project distinguishes itself through a comprehensive netplay engine that enables online multiplayer for local games by synchronizing game states and input timing across remote instances. This system enforces deterministic e
Simulates original console hardware environments to execute game discs and digital software on modern platforms.
This project is a bare-metal operating system developed for ARM64 architecture. It serves as a low-level implementation of kernel engineering, focusing on the fundamental construction of an OS from the hardware level up. The system is distinguished by its comprehensive approach to ARM64 processor control, featuring a red-black tree task scheduler and a hierarchical page table system for virtual memory management. It implements a sophisticated privilege model that handles transitions between kernel and user modes, ensuring process isolation through address space splitting and exception level m
Simulates the boot process and hardware interactions to execute the kernel within a virtual machine.
This project is a cross-platform, open-source emulator designed to execute handheld gaming software on modern desktop and mobile hardware. By recreating the original console environment and system libraries, it allows users to run game files without requiring original firmware. The software achieves high-performance execution through a combination of dynamic recompilation and just-in-time instruction translation, which map console-specific instructions to native host machine code. The emulator distinguishes itself by providing advanced visual and connectivity enhancements that extend beyond t
Replaces low-level hardware components with software implementations of system libraries and kernels to improve compatibility and execution speed.
QEMU is a cross-platform system emulator and hardware virtualization platform that enables the execution of multiple isolated operating systems on a single host machine. It functions as a processor architecture emulator, translating machine instructions between different hardware platforms to allow software designed for one architecture to run on another. The project distinguishes itself through a modular target architecture that separates core emulation logic from specific hardware definitions, supporting a wide range of processor and peripheral configurations. It utilizes dynamic binary tra
Provides full system emulation and user-mode emulation for various processor architectures and peripheral devices.
F Prime est un framework basé sur des composants conçu pour le développement et le déploiement de logiciels embarqués et spatiaux. Il fournit une architecture modulaire qui découple la logique logicielle des interfaces de communication, permettant aux développeurs de définir des structures système via un langage de modélisation spécifique au domaine. Cette approche basée sur les modèles permet la génération automatique de code, garantissant la cohérence des topologies système complexes tout en maintenant des contrats d'interface stricts entre les modules logiciels. Le framework se distingue par son système de build intégré et sa suite d'opérations de données au sol. Il automatise l'intégralité du cycle de vie des logiciels embarqués, de la compilation croisée et la gestion des dépendances à la génération d'interfaces de télémétrie et de commande. En fournissant un environnement unifié pour les logiciels de vol embarqués et la surveillance au sol, il facilite l'intégration, les tests et le contrôle des systèmes embarqués distribués sur diverses plateformes matérielles. Au-delà de son architecture centrale, le projet inclut des outils complets pour l'observabilité du système, notamment la visualisation de télémétrie en temps réel, la journalisation d'événements et le traçage de diagnostic. Il prend en charge un large éventail de scénarios de déploiement, des environnements bare-metal aux systèmes d'exploitation temps réel, et fournit des mécanismes pour la gestion de la mémoire, la modélisation de comportement pilotée par les états et l'exécution de tâches asynchrones. Le projet est maintenu sous forme de dépôt C++ avec une documentation étendue et un support du système de build pour le développement multiplateforme.
Provides an abstraction layer that mimics threads and message queues to support components requiring OS features in resource-constrained environments.
xv6-riscv is a simplified Unix-like teaching operating system designed for the study of kernel design and hardware interaction. It provides a low-level RISC-V kernel implementation that serves as a bootable system image for execution and debugging within a virtual machine or emulator. The project focuses on educational instruction regarding the RISC-V architecture. It enables the study of operating system concepts through a minimal kernel that implements process management and memory handling. The system covers core kernel operations including multiprocessor resource management and the imple
Provides a target for system emulators to analyze the interaction between RISC-V hardware and the kernel.
xv6 is a Unix-like educational operating system designed for teaching kernel concepts. It is implemented as an instructional kernel for x86 and RISC-V architectures, featuring a virtual memory manager and support for symmetric multiprocessing. The system is designed to demonstrate core OS principles through a simplified re-implementation of Unix Version 6. It provides a controlled environment for studying system calls, trap handling, and process lifecycles. Its capability surface covers process management, including scheduling and context switching, and memory management via page tables for
Bootstraps the compiled system image within a virtual machine emulator for testing and execution.
macintosh.js is an Electron-based system emulator designed to run legacy operating systems and vintage software within a modern desktop application. It functions as a virtual machine that replicates the hardware and software environment of a Macintosh Quadra to execute System 8. The project includes a UDP network bridge and virtual Ethernet integration, which routes network traffic to specific ports to enable communication between multiple emulated instances on a local network. The emulator supports virtual disk management and disk-image mounting to transfer files between the host machine an
Replicates a legacy Macintosh Quadra's physical components to launch and interact with operating system images.
AFL++ is a coverage-guided fuzzing framework that discovers crashes and hangs in software by mutating inputs while tracking which code paths are exercised. It functions as both a fuzzing engine and a campaign manager, supporting targets with or without source code through compile-time instrumentation, dynamic binary instrumentation, and emulation. The framework includes tools for crash triage and analysis, test case minimization, and campaign deployment across local or distributed environments. The framework distinguishes itself through its breadth of instrumentation backends, allowing users
Emulates entire x86_64 systems using KVM and QEMU with snapshot support for binary-only fuzzing in a controlled environment.
Asterinas est un noyau de système d'exploitation sécurisé en mémoire conçu pour prévenir les data races et la corruption mémoire. Il fonctionne comme un noyau compatible Linux-ABI, permettant l'exécution de binaires Linux existants et de charges de travail conteneurisées tout en offrant un modèle de distribution de système d'exploitation déclaratif. Le projet se distingue en agissant comme un hôte de conteneurs pour machines virtuelles et un OS invité pour le confidential computing, lui permettant de s'exécuter au sein d'environnements d'exécution isolés matériellement comme Intel TDX. Il implémente une base de calcul de confiance minimale en isolant les opérations dangereuses de bas niveau et sépare les mécanismes fondamentaux du noyau des implémentations de politiques spécifiques. Le système couvre un large éventail de capacités, incluant la gestion de la mémoire physique et virtuelle, le multi-processing symétrique et l'abstraction matérielle pour diverses architectures CPU. Il inclut également le support pour les runtimes de conteneurs sécurisés, un ensemble complet de primitives réseau et socket, ainsi qu'une toolchain spécialisée pour la compilation et l'émulation du noyau. Le projet prend en charge le déploiement multi-architecture sur les plateformes x86-64, RISC-V 64 et LoongArch 64.
Supports running the kernel and operating systems using full system emulation and binary translation.
Ce projet fournit un environnement de développement du noyau Linux et une suite d'émulation système pour construire et déboguer des modules noyau et de l'assembleur bare-metal à travers de multiples architectures matérielles. Il fonctionne comme un bac à sable complet et un framework pour le développement système bas niveau, utilisant QEMU pour simuler des environnements matériels sans avoir besoin de périphériques physiques. L'environnement intègre des chaînes de compilation croisée utilisant Buildroot et crosstool-NG pour cibler les plateformes x86_64, ARMv7 et ARMv8 depuis un seul hôte. Il dispose d'un framework de débogage noyau spécialisé qui exploite GDB et KGDB pour l'exécution pas à pas et l'inspection d'état des processus noyau et utilisateur. Ses larges capacités incluent des tests de régression automatisés pour isoler les échecs de démarrage et fonctionnels via la bissection de contrôle de version, l'abstraction matérielle pour gérer les états d'alimentation du CPU et les registres système, et des primitives de test bas niveau pour l'intégrité de l'état mémoire et l'analyse d'assembleur. Le système inclut également des utilitaires pour le benchmarking de performance des commandes, la journalisation de sortie et l'amorçage d'espaces de travail conteneurisés.
Provides a full system emulation suite using QEMU and gem5 to execute kernel modules and baremetal assembly.
This project is a cross-compiler toolchain for RISC-V software development. It provides the necessary components to compile C and C++ source code into executable binaries and libraries specifically for the RISC-V hardware architecture. The toolchain supports multi-architecture binary generation and multilib capabilities, allowing a single installation to target various instruction set specifications and bit-widths. It integrates with alternative compilers such as LLVM and Clang and includes a bootstrapped build pipeline to produce high-performance versions of the tools. The system covers bro
Integrates with software emulators to simulate full-system or user-mode RISC-V environments for binary testing.
Ce projet est un framework éducatif et une boîte à outils conçus pour développer et tester des noyaux de système d'exploitation. Il fournit un environnement structuré pour implémenter des primitives système fondamentales, notamment la gestion de la mémoire virtuelle, l'ordonnancement préemptif des processus et l'organisation du système de fichiers, en utilisant Rust et C. Le framework est spécifiquement orienté vers les architectures RISC-V et x86, servant de laboratoire pour apprendre à construire des logiciels système de base à partir de zéro. Le projet se distingue en prenant en charge à la fois le déploiement bare-metal et l'émulation matérielle, permettant aux développeurs de valider la logique du noyau sur du matériel physique ou dans des environnements simulés. Il inclut une chaîne d'outils de construction complète qui gère la compilation inter-architectures et l'initialisation du firmware, garantissant que le noyau peut être correctement amorcé et exécuté sur différentes plateformes cibles. Le système couvre un large éventail de capacités de bas niveau, notamment des couches d'abstraction matérielle qui découplent la logique système des conceptions de processeurs spécifiques et des interfaces d'appels système qui gèrent la frontière entre les applications en espace utilisateur et les services du noyau. Il intègre également des fonctionnalités d'observabilité, telles que la journalisation au runtime et la surveillance de l'exécution, pour aider à l'analyse du comportement du système pendant le développement.
Simulates complex hardware environments to verify and debug kernel logic before deploying software to physical processor targets.
touchHLE is a high-level emulator designed to run legacy iPhone OS applications and games on modern desktop and mobile operating systems. It functions by simulating the original hardware environment and operating system API calls rather than emulating underlying CPU instructions. The project focuses on the preservation of early third-party mobile software through legacy archiving. It distinguishes itself by translating modern mouse, keyboard, and controller inputs into simulated touch gestures and accelerometer data, and by connecting multiple emulator instances over a local network to enable
Simulates the original mobile hardware environment and OS API calls to execute legacy applications.
xemu is a game console emulator and virtual hardware hypervisor designed to execute original Xbox game software on various operating systems. It functions as a disk image player that simulates physical circuitry and storage to enable the playback of original titles. The project includes a suite of low-level system debugging tools for inspecting registers, tracing execution events, and dumping memory from running guest code. It provides specialized capabilities for hardware accuracy testing and game hardware debugging to analyze system behavior. The software covers a broad range of emulation
Provides high-level system emulation by implementing operating system API calls in software to increase efficiency.