Author Topic: Bochs is a highly portable open source IA-32 (x86) PC emulator written in C++  (Read 1440 times)

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Bochs is a highly portable open source IA-32 (x86) PC emulator written in C++



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Welcome to the Bochs IA-32 Emulator Project

    Bochs is a highly portable open source IA-32 (x86) PC emulator written in C++, that runs on most popular platforms. It includes emulation of the Intel x86 CPU, common I/O devices, and a custom BIOS. Currently, Bochs can be compiled to emulate a 386, 486, Pentium/PentiumII/PentiumIII/Pentium4 or x86-64 CPU including optional MMX, SSEx and 3DNow!

Bochs is capable of running most Operating Systems inside the emulation including Linux, DOS, Windows® 95/98 and Windows® NT/2000/XP or Windows Vista. Bochs was written by Kevin Lawton and is currently maintained by this project.

    Bochs can be compiled and used in a variety of modes, some which are still in development. The 'typical' use of bochs is to provide complete x86 PC emulation, including the x86 processor, hardware devices, and memory. This allows you to run OS's and software within the emulator on your workstation, much like you have a machine inside of a machine. For instance, let's say your workstation is a Unix/X11 workstation, but you want to run Win'95 applications. Bochs will allow you to run Win 95 and associated software on your Unix/X11 workstation, displaying a window on your workstation, simulating a monitor on a PC.

Latest release: Bochs 2.4.5

Version 2.4.5 is a bugfix+ release. Here is the summary of changes :

    * Major configure/cpu rework allowing to enable/disable CPU options at runtime through .bochsrc (Stanislav)
    * Bugfixes for CPU emulation correctness and stability
    * Implemented X2APIC extensions (Stanislav)
    * Implemented Intel VMXx2 extensions (Stanislav)
          o Extended VMX capability MSRs, APIC Virtualization, X2APIC Virtualization, Extended Page Tables (EPT), VPID, Unrestricted Guests, new VMX controls.
    * Implemented PCLMULQDQ AES instruction
    * Extended Bochs internal debugger functionality
    * USB HP DeskJet 920C printer device emulation (Ben Lunt)

The binary packages for Linux and Windows are built with these featues :

    * x86-64 emulation with all optimizations enabled
    * devices:
          o chipset: PCI, ACPI
          o video: Bochs VBE and Cirrus SVGA
          o sound: SB16
          o network: NE2000 (ISA/PCI)
          o USB: OHCI, UHCI and 6 device types
    * Display libraries:
          o Linux: nogui, rfb, sdl, term, x
          o Windows: nogui, rfb, win32


http://bochs.sourceforge.net