Bochs Contents History Use Emulated hardware Playstation 2 port References External links Navigation menusourceforge.net/p/bochs/code/HEAD/tree/bochs.sourceforge.net"MandrakeSoft buys Bochs for Linux and commits it to Open Source"Thinking inside and outside the Bochs with Kevin LawtonBochs was written by Kevin Lawton starting in 1994."Features""BFE : about""Bochs User Manual - Features"BochsBochs for DOS hostx86 Emulation makes it to the Handheld PCBochs project of the month interview on sourceforge.netA Guide and Tutorial for Windows usersPeter-bochs debugger. A Bochs debugger frontende

AdeosCP/CMSHyper-VKVMRed Hat Enterprise VirtualizationLDoms / Oracle VM Server for SPARCLogical Partition (LPAR)LynxSecurePikeOSProxmox VESIMMONVMware ESXiVMware vSpherevCloudVMware InfrastructureXenOracle VM Server for x86XenServerXtratuMz/VMBasilisk IIbhyveBochsCooperative LinuxDOSBoxDOSEMUPCemPikeOSSheepShaverSIMHWindows on WindowsVirtual DOS machineWin4LinMicrosoft Virtual ServerParallels WorkstationParallels Desktop for MacParallels Server for MacPearPCQEMUVirtualBoxVirtual IronVMware FusionVMware PlayerVMware ServerVMware WorkstationWindows Virtual PCGanetioVirtSystem Center Virtual Machine ManagerVirtual Machine ManagerFreeBSD jailiCore Virtual AccountsLinux-VServerlmctfyLXCOpenVZSolaris ContainersWorkload PartitionsDockerContainer LinuxcgroupsNamespacesseccompECSKubernetesOpenShiftCitrix XenAppCitrix XenDesktopRemote Desktop ServicesVMware Horizon ViewUlteo Open Virtual DesktopDistributed Overlay Virtual EthernetNVGREOpen vSwitchVirtual security switchVirtual Extensible LAN


Cross-platform softwareFormerly proprietary softwareFree emulation softwareFree software programmed in C++Linux emulation softwareMacOS emulation softwarePocket PC softwareWindows emulation softwareX86 emulators


IA-32x86-64IBM PC compatibleemulatordebuggerC++free softwareGNU Lesser General Public Licenseprotected modeEthernetBIOSPCsoperating systemsDOSMicrosoft WindowsBSDsLinuxXenixRhapsodyAndroidiOSLinuxmacOSPlayStation 2WindowsWindows MobilecrashesdebuggedUS$MandrivaLinuxGNU Lesser General Public LicensevirtualizationTurbo Debugger






























Bochs
Bochs.png

Bochs 2.4.6 with its "wx" graphical interface (wx display library) on Debian 7 Linux
Bochs 2.4.6 with its "wx" graphical interface (wx display library) on Debian 7 Linux

Original author(s)Kevin Lawton[1][2]
Developer(s)Community based; owned by Mandriva
Initial release1994; 25 years ago (1994)[3]
Stable release
2.6.9
/ 9 April 2017; 22 months ago (2017-04-09)

Repository
  • sourceforge.net/p/bochs/code/HEAD/tree/
Edit this at Wikidata
Written inC++
Operating system
Windows, Linux, BSD (FreeBSD, NetBSD, OpenBSD, Darwin, iOS), OS/2, BeOS, MorphOS, AmigaOS, Android[4]
Platform
IA-32, x64
Available inEnglish
TypeEmulator
LicenseGNU Lesser General Public License
Websitebochs.sourceforge.net

Bochs (pronounced "box") is a portable IA-32 and x86-64 IBM PC compatible emulator and debugger mostly written in C++ and distributed as free software under the GNU Lesser General Public License. It supports emulation of the processor(s) (including protected mode), memory, disks, display, Ethernet, BIOS and common hardware peripherals of PCs.


Many guest operating systems can be run using the emulator including DOS, several versions of Microsoft Windows, BSDs, Linux, Xenix and Rhapsody (precursor of Mac OS X). Bochs runs on many host operating systems, including Android, iOS, Linux, macOS, PlayStation 2, Windows, and Windows Mobile.


Bochs is mostly used for operating system development (when an emulated operating system crashes, it does not crash the host operating system, so the emulated OS can be debugged) and to run other guest operating systems inside already running host operating systems. It can also be used to run older software – such as PC games – which will not run on non-compatible, or too fast computers.




Contents





  • 1 History


  • 2 Use


  • 3 Emulated hardware


  • 4 Playstation 2 port


  • 5 References


  • 6 External links




History


Bochs started as a program with a commercial license, at the price of US$25, for use as-is. If a user needed to link it to other software, that user would have to negotiate a special license. That changed on 22 March 2000, when Mandrakesoft (now Mandriva) bought Bochs from lead developer Kevin Lawton and released it for Linux under the GNU Lesser General Public License.[1]



Use


Bochs emulates the hardware needed by PC operating systems, including hard drives, CD drives, and floppy drives. It doesn't utilize any host CPU virtualization features, therefore is slower than most virtualization, rather than emulation software. It provides additional security by completely isolating the guest OS from the hardware. Bochs also has extensive debugging features. It is widely used for OS development, as it removes the need for constant system restarts (to test code).


BFE, described as a "Graphical Debugger Interface for the Bochs PC Emulator", is a graphical interface for the debugger within the Bochs PC emulator that makes it possible to debug software step-by-step at the instruction and register level, much like Borland's Turbo Debugger.[5]



Emulated hardware


















ClassDevice
Video cardCirrus Logic CL-GD5430 ISA
Cirrus Logic CL-GD5446 PCI
Sound card
Sound Blaster 16 card (ISA, no Plug & Play), Basic Sound Device
Ethernet network card
NE2000 (ISA/PCI) Ethernet or Intel(R) 82540EM Gigabit Ethernet adapter (PCI)[6]
Chipset
Intel 440FX PCI. Host-to-PCI bridge (PMC/DBX), PCI-to-ISA bridge, PCI IDE controller (PIIX3) are available. For PCI cards there are 5 PCI slots.
USBRoot hub and the devices mouse (optional), tablet, keypad (default), disk.
SMPCan simulate up to 8 CPUs.
Enhanced BIOS or SeaBIOS

ElTorito, EDD v3.0, basic APM, PCIBIOS features, PCI interrupt routing table. 32-bit init for ACPI, SMM and SMP.


Playstation 2 port


The Playstation 2 version was ported by KarasQ (psx-scene forums).[citation needed]



References




  1. ^ ab Gael Duval (March 23, 2000). "MandrakeSoft buys Bochs for Linux and commits it to Open Source". Retrieved September 21, 2011..mw-parser-output cite.citationfont-style:inherit.mw-parser-output .citation qquotes:"""""""'""'".mw-parser-output .citation .cs1-lock-free abackground:url("//upload.wikimedia.org/wikipedia/commons/thumb/6/65/Lock-green.svg/9px-Lock-green.svg.png")no-repeat;background-position:right .1em center.mw-parser-output .citation .cs1-lock-limited a,.mw-parser-output .citation .cs1-lock-registration abackground:url("//upload.wikimedia.org/wikipedia/commons/thumb/d/d6/Lock-gray-alt-2.svg/9px-Lock-gray-alt-2.svg.png")no-repeat;background-position:right .1em center.mw-parser-output .citation .cs1-lock-subscription abackground:url("//upload.wikimedia.org/wikipedia/commons/thumb/a/aa/Lock-red-alt-2.svg/9px-Lock-red-alt-2.svg.png")no-repeat;background-position:right .1em center.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registrationcolor:#555.mw-parser-output .cs1-subscription span,.mw-parser-output .cs1-registration spanborder-bottom:1px dotted;cursor:help.mw-parser-output .cs1-ws-icon abackground:url("//upload.wikimedia.org/wikipedia/commons/thumb/4/4c/Wikisource-logo.svg/12px-Wikisource-logo.svg.png")no-repeat;background-position:right .1em center.mw-parser-output code.cs1-codecolor:inherit;background:inherit;border:inherit;padding:inherit.mw-parser-output .cs1-hidden-errordisplay:none;font-size:100%.mw-parser-output .cs1-visible-errorfont-size:100%.mw-parser-output .cs1-maintdisplay:none;color:#33aa33;margin-left:0.3em.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registration,.mw-parser-output .cs1-formatfont-size:95%.mw-parser-output .cs1-kern-left,.mw-parser-output .cs1-kern-wl-leftpadding-left:0.2em.mw-parser-output .cs1-kern-right,.mw-parser-output .cs1-kern-wl-rightpadding-right:0.2em


  2. ^ Thinking inside and outside the Bochs with Kevin Lawton, By Ken Hess, August 25, 2011, ZDNet


  3. ^ Bochs was written by Kevin Lawton starting in 1994., 1.1. What is Bochs?, Chapter 1. Introduction to Bochs, Bochs User Manual


  4. ^ "Features". bochs.sourceforge.net. Retrieved 20 October 2016.


  5. ^ "BFE : about". SourceForge. Retrieved 27 December 2016.


  6. ^ "Bochs User Manual - Features". Retrieved 2016-04-06.




External links




These part of the text is mainly introduce, that about the Acknowledgements.



  • Bochs on SourceForge.net

  • Bochs for DOS host


  • x86 Emulation makes it to the Handheld PC discussion of BOCHS running under Windows CE

  • Bochs project of the month interview on sourceforge.net

  • A Guide and Tutorial for Windows users


  • Peter-bochs debugger. A Bochs debugger frontend[permanent dead link]








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