Emulating the XO: Difference between revisions
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* For configuration and Usage, see our [[Emulating the XO/Quick Start|quick start]] and [[How to set up for development on linux emulation|emulation on Linux guide]]. |
* For configuration and Usage, see our [[Emulating the XO/Quick Start|quick start]] and [[How to set up for development on linux emulation|emulation on Linux guide]]. |
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** For a detailed tutorial on emulation, see the [http://www.ibm.com/developerworks/linux/library/l-sugar-olpc/index.html IBM Tutorial]. |
** For a detailed tutorial on emulation, see the [http://www.ibm.com/developerworks/linux/library/l-sugar-olpc/index.html IBM Tutorial]. |
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** Operating-specific details are available : [[Emulating_the_XO/Quick_Start/Windows|Win]] [[Emulating_the_XO/Quick_Start/ |
** Operating-specific details are available : [[Emulating_the_XO/Quick_Start/Windows|Win]] [[Emulating_the_XO/Quick_Start/Mac|Mac]] [[Emulating_the_XO/Quick_Start/Linux|Linux]] |
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** For tweaks to your system, see [[Improving emulation]]. |
** For tweaks to your system, see [[Improving emulation]]. |
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* For a comparison of environments and operating systems on which each have been tested, see [[Emulating the XO/Comparison of Alternatives|Comparison of Alternatives]] |
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See the [[Developers/Setup#Emulation Packages/Products|Developer's Manual]] for a discussion of the |
See the [[Developers/Setup#Emulation Packages/Products|Developer's Manual]] for a discussion of the merits of various packages and the ways you might want to use emulation in the development process. Keep in mind that emulation is [[Emulating the XO/Limitations of XO disk images|NOT perfect]]. |
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See [[Emulating the XO/Comparison of Alternatives|Comparison of Alternatives]] for a grid showing which environments have been tested and found to work on which host operating systems. |
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== Emulators == |
== Emulators == |
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At present, [[QEMU]] is |
At present, [[QEMU]] is used most frequently. |
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Revision as of 21:52, 27 April 2008
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Emulators allow you to run a "virtual machine" on any machine.
Strictly speaking, what is emulated is not an XO laptop itself but a generic x86 processor with Sugar, so this emulation has some limits. The customized devices on an XO cannot be emulated, and some peripherals in your PC may not be supported through the emulated XO.
- For configuration and Usage, see our quick start and emulation on Linux guide.
- For a detailed tutorial on emulation, see the IBM Tutorial.
- Operating-specific details are available : Win Mac Linux
- For tweaks to your system, see Improving emulation.
- For a comparison of environments and operating systems on which each have been tested, see Comparison of Alternatives
See the Developer's Manual for a discussion of the merits of various packages and the ways you might want to use emulation in the development process. Keep in mind that emulation is NOT perfect.
Emulators
At present, QEMU is used most frequently.
- If you are running Linux, there is an experimental package to simplify using qemu for emulation. Feedback encouraged. MitchellNCharity 15:03, 6 January 2008 (EST)
Build recommendations
For running XO disk images on an emulator, you must use an ext3 image, not the JFFS2 image which is for on-board NAND flash memory. Please note that the current stable release is available only in JFFS2 and the "latest" developer build may not yet be usable in ext3 at this time. So please check some older builds. Some builds are better than others and the most recent one will not always work.
Here is a summary of current status. Please add your own experiences here, and in User Feedback on Images.
Current joyride builds generally work (as of ~1400). Presence service (mesh view and collaboration) wont work by default, because they are configured with a presence service providing jabber server of ship2.jabber.laptop.org, which doesn't yet exist. There is an overloaded and fragile jabber.laptop.org which may be used in the meantime. -- MitchellNCharity 22:42, 14 December 2007 (EST)
- Another jabber server alternative is: jabber.xochat.org (typically 60 to 80 people online) --ixo 03:29, 5 January 2008 (EST)
- Please be aware that the xochat.org server is also overloaded, and the load is proportional to the product of the number of registrees times the current number of users, for the reasons documented at XMPP_Extensions. So don't connect (and thus automatically register) unless you will really be contributing, and/or set up your own ejabberd server. NealMcBurnett 15:39, 7 January 2008 (EST)
I've had good luck with all of the ship2 builds under VMware Workstation 6. -- Ed Borasky (Znmeb), 15 December 2007.
External links
- Sugar, the XO laptop, and One Laptop per Child, M. Tim Jones. developerWorks. IBM, 2007-04-24.