Developer | Wind River (a wholly owned subsidiary of TPG Capital) |
---|---|
OS family | Real-time operating systems |
Working state | Current |
Initial release | 1987; 32 years ago |
Latest release | 7 / March 2014; 5 years ago |
Marketing target | Embedded systems |
Platforms | x86 (including Intel Quark), x86-64, MIPS, PowerPC, SH-4, ARM |
Kernel type | Monolithic |
License | Proprietary |
Official website | Windriver.com/products/vxworks |
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VxWorks is a real-time operating system (RTOS) developed as proprietary software by Wind River Systems, a wholly owned subsidiary of TPG Capital, US. First released in 1987, VxWorks is designed for use in embedded systems requiring real-time, deterministic performance and, in many cases, safety and security certification, for industries, such as aerospace and defense, medical devices, industrial equipment, robotics, energy, transportation, network infrastructure, automotive, and consumer electronics.[1]
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VxWorks supports Intel architecture, POWER architecture, and ARM architectures.[2] The RTOS can be used in multicore asymmetric multiprocessing (AMP), symmetric multiprocessing (SMP), and mixed modes[3] and multi-OS (via Type 1 hypervisor)[4] designs on 32- and 64-bit processors.[5]
VxWorks comes with the kernel, middleware, board support packages, Wind River Workbench development suite and complementary third-party software and hardware technologies. In its latest release, VxWorks 7, the RTOS has been re-engineered for modularity and upgradeability so the OS kernel is separate from middleware, applications and other packages.[6] Scalability, security, safety, connectivity, and graphics have been improved to address Internet of Things (IoT) needs.[7][8][9]
VxWorks started in the late 1980s as a set of enhancements to a simple RTOS called VRTX[10] sold by Ready Systems (becoming a Mentor Graphics product in 1995).[11] Wind River acquired rights to distribute VRTX and significantly enhanced it by adding, among other things, a file system and an integrated development environment. In 1987, anticipating the termination of its reseller contract by Ready Systems, Wind River developed its own kernel to replace VRTX within VxWorks.[12]
VxWorks key milestones are:[13][failed verification]
VxWorks supports Intel architecture, Power architecture, and ARM architectures.[2] The RTOS can be used in multi-core asymmetric multiprocessing (AMP), symmetric multiprocessing (SMP), and mixed modes[5] and multi-OS (via Type 1 hypervisor)[4] designs on 32- and 64-bit processors.
The VxWorks consists of a set of runtime components and development tools. The run time components are an operating system (UP and SMP; 32- and 64-bit), software for applications support (file system, core network stack, USB stack and inter-process communications) and hardware support (architecture adapter, processor support library, device driver library and board support packages).[5] VxWorks core development tools are compilers such as Diab, GNU, and Intel C++ Compiler (ICC)) and its build and configuration tools. The system also includes productivity tools such as its Workbench development suite and Intel tools and development support tools for asset tracking and host support.[5]
The platform is a modular, vendor-neutral, open system that supports a range of third-party software and hardware. The OS kernel is separate from middleware, applications and other packages,[8] which enables easier bug fixes and testing of new features.[14] An implementation of a layered source build system allows multiple versions of any stack to be installed at the same time so developers can select which version of any feature set should go into the VxWorks kernel libraries.
Optional advanced technology for VxWorks provides add-on technology-related capabilities, such as:
A list of some of the features of the OS are:[3][15][16][17]
In March 2014, Wind River introduced VxWorks 7, which emphasizes scalability, security, safety, connectivity, graphics, and virtualization.[9][14][18] The following lists some of the release 7 updates.[1][5][6][9] More information can be found on the Wind Rivers VxWorks website.
VxWorks has been ported to a number of platforms and now runs on practically any modern CPU that is used in the embedded market. This includes the Intel x86 family (including the Intel Quark SoC),[19]MIPS, PowerPC (and BAE RAD), Freescale ColdFire, Intel i960, SPARC, Fujitsu FR-V, SH-4 and the closely related family of ARM, StrongARM and xScale CPUs.[2] VxWorks provides a standard board support package (BSP) interface between all its supported hardware and the OS. Wind River's BSP developer kit provides a common application programming interface (API) and a stable environment for real-time operating system development. VxWorks is supported by popular SSL/TLS libraries such as wolfSSL.[20]Police ride along program san francisco.
As is common in embedded system development, cross-compiling is used with VxWorks. Development is done on a 'host' system where an integrated development environment (IDE), including the editor, compiler toolchain, debugger, and emulator can be used. Software is then compiled to run on the 'target' system. This allows the developer to work with powerful development tools while targeting more limited hardware. VxWorks uses the following host environments and target hardware architectures:[2][21]
VxWorks supports the following target architectures:
For the latest target architecture, processors and board support packages, refer to the VxWorks Marketplace: https://marketplace.windriver.com/index.php?bsp&on=locate&type=platform
The Eclipse-based Workbench IDE that comes with VxWorks is used to configure, analyze, optimize, and debug a VxWorks-based system under development.[22] The Tornado IDE was used for VxWorks 5.x[23] and was replaced by the Eclipse-based Workbench IDE for VxWorks 6.x. and later.[21] Workbench is also the IDE for the Wind River Linux,[24] On-Chip Debugging,[25] and Wind River Diab Compiler product lines. VxWorks 7 uses Wind River Workbench 4[26] which updates to the Eclipse 4 base provide full third party plug-in support and usability improvements.
Wind River Simics[27][28] is a standalone simulation tool compatible with VxWorks. It simulates the full target system (hardware and software) to create a shared platform for software development. Multiple developers can share a complete virtual system and its entire state, including execution history. Simics enables early and continuous system integration and faster prototyping by utilizing virtual prototypes instead of physical prototypes.[29]
VxWorks is used by products over a wide range of market areas: aerospace and defense, automotive, industrial such as robots, consumer electronics, medical area and networking.[6] Several notable products also use VxWorks as the onboard operating system.[30]
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As of July 2019, a paper published by Armis[109] exposed 11 critical vulnerabilities including remote code execution, denial of service, information leaks, and logical flaws impacting more than 2 billion[110] devices which use the VxWorks RTOS. The findings are significant since this system is in use by quite a few mission-critical products. This YouTube video from Armis[111] shows how an attacker can tunnel into an internal network using the vulnerability and hack into printers, laptops, and any other connected devices. The vulnerability can bypass firewalls as well.[112]