RVVM

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RVVM is an Open Source Coding & Development tool that provides a high-performance RISC-V virtual machine and emulator. It supports various guest operating systems like Linux, Haiku, FreeBSD, and OpenBSD, and features a tracing JIT for superior performance.

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At a glance

Pricing

Open Source

Free tier

Yes

API

Yes

Skill level

Technical

About

What is RVVM?

RVVM is an open-source RISC-V virtual machine and emulator designed for performance, security, lean code, and portability. It boasts a fully spec-compliant rv64imafdcb instruction set with several extensions and a tracing JIT with x86_64, ARM64, and RISC-V backends, outperforming QEMU TCG. The tool successfully runs a variety of guest operating systems, including Linux, Haiku, FreeBSD, and OpenBSD. Key features include framebuffer display, HID mouse & keyboard, UART terminal, NVMe storage with TRIM support, and a networking userland stack. It also offers VFIO PCIe passthrough for devices like GPUs and provides a librvvm API for machine/userland emulation.

Best used for

Ideal for developers who need to emulate RISC-V architectures, run various guest operating systems like Linux or FreeBSD, and develop RISC-V applications. Especially valuable for those requiring high performance and a lean, portable solution for virtual machine environments.

Common actions

emulate RISC-V

run guest OS

develop RISC-V applications

virtualize hardware

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Capabilities

Key features

RISC-V virtual machine
Tracing JIT compiler
Guest OS support
NVMe storage
PCIe passthrough
Userland emulation API

Target Audience

developer

Integrations

Not yet documented

Pricing & Plans

Open Source

Free

FAQs

What operating systems can RVVM run as guests?

RVVM is capable of running a variety of guest operating systems, including Linux, Haiku, FreeBSD, and OpenBSD. It aims for broad compatibility with RISC-V guests, emphasizing performance and security in its emulation.

How does RVVM's performance compare to other emulators?

RVVM utilizes a tracing JIT (Just-In-Time) compiler with x86_64, ARM64, and RISC-V backends. This advanced compilation technique allows it to achieve performance that is faster than QEMU's TCG (Tiny Code Generator).

What is the licensing model for RVVM?

The core librvvm library is licensed under the non-viral MPL 2.0 license, allowing its use in other projects. The RVVM Manager and Linux userland emulator binaries (rvvm and rvvm-user) are licensed under the copyleft GPL 3.0 license.

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