Emulating the XO: Difference between revisions
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{{ Latest Releases | livecd = inline | devel = inline | extra }} |
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In the past, OLPC produced alternative software images which could be run in emulators such as QEMU and VMware. This meant that development and testing could happen to a limited extent without requiring an XO laptop. |
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[[Image:AP1_39.jpg|thumb|laptop-in-laptop]] |
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'''In 2013, please see Tom Gilliard's many [http://wiki.sugarlabs.org/go/Sugar_Creation_Kit virtual machine images ready-to-go].''' |
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== Quick Start - [[LiveCd|LiveCD]] == |
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Note, XOs are readily available to genuine volunteer contributors through the [[Contributors program]]. |
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For many, the [[LiveCd|LiveCD]] is the easiest way to try [[Sugar]]. It's easy to do, but your work is lost when you reboot. |
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== Quick Start - [[Emulating the XO/Quick Start|Emulation]] == |
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'''[[Emulating the XO/Quick Start|Emulation]]''' is the other way to try [[Sugar]]. It can be harder to set up,, but work is preserved. |
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:Sound in [[TamTam]] may not be working at the moment. [[User:MitchellNCharity|MitchellNCharity]] 13:16, 5 June 2007 (EDT) |
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== Overview == |
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One way to run oplc software is using an emulator on your pc. See [[Getting started programming]] for other options. |
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Note '''[[:Category:Emulation]]''' and '''[[Emulating the XO/Help and tips|Help and tips]]'''. |
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For play, you can use [[LiveCd]] or [[Emulating the XO/Quick Start|Quick Start]]. |
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For development, you can use [[LiveCd]], or qemu (as in quick start, but with a different image), or perhaps one of the [[Developer Images]] other than the LiveCd. An alternate approach is to attempt [[:Category:Installing_Sugar|installing sugar]]. See [[Getting started programming]] for a comparison. |
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A common development approach is to use [[QEMU]] with kqemu acceleration. See [[Emulating the XO/Quick Start|Quick Start]] for the basics. |
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Though for development, we will use a different .img, one with a few extra utility programs. See [[OS images]], including '''[[OS_images#Latest_Stable_Build |latest stable build]]'''. |
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Instead of qemu, you can run [[Emulating the XO/UsingVMware|VMware]], and there are additional options on a [[Emulating the XO/Mac|Mac]]. |
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Please report your experiences in [[User Feedback on Images]]. There is a [[Virtualization Common Room]]. |
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There are [[Emulating the XO/Limitations of XO disk images|limitations with XO disk images]]. |
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== Developing software == |
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Developing on emulation is one alternative for developing software. |
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After looking at [[/Quick Start]], see [[/Help_and_tips#Development]] for how-to's. It should be straightforward on linux. |
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== Comparison of alternatives == |
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An OLPC laptop is custom hardware, running a stripped-down Red Hat linux, running [[Sugar]]. But what if you don't have a real olpc laptop? There are a several options. |
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{| border=1 cellspacing=0 |
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|- style="background:lightgray; " |
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! option |
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! updated !! sound? !! camera? !! library? !! etoys? !! R/W? !! development software? !! net? !! comments |
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|- |
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| [[LiveCd]] |
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| April || yes(boot) yes?(qemu) || yes?(boot) no(qemu) || no || yes |
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| no || toolchain, Gnome || yes? |
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| Alternative Quick Start. Good for new developers. Can both be booted from, and used in qemu. Problems: A. |
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|- |
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| colspan=10 style="background:lightgray; " | [[OS images|XO disk images]]: |
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|- |
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| colspan=10 | LATEST-STABLE-BUILD <span style="font-size:80%; "><tt>http://olpc.download.redhat.com/olpc/streams/development/LATEST-STABLE-BUILD/</tt></span> |
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|- |
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| development-ext3.img |
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| ~monthly || yes/B || no || yes || yes |
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| yes || no || after config |
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| Quick Start for getting a look at Sugar. |
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|- |
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| development-devel_ext3.img |
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| ~monthly || yes/B || no || no || yes |
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| yes || a little || after config |
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|- |
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| colspan=10 | LATEST <span style="font-size:80%; "><tt>http://olpc.download.redhat.com/olpc/streams/development/LATEST/</tt></span> |
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|- |
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| development-ext3.img |
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| ~daily || yes/B || no || yes || yes |
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| yes || no || after config |
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|- |
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| development-devel_ext3.img |
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| ~daily || yes/B || no || no || yes |
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| yes || a little || after config |
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| Good for new developers (requires some command-line comfort). |
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|- |
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| colspan=10 style="background:lightgray; " | OTHER |
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|- |
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| [[Developer Images#Big Fedora Core 6 Build|FC6+Sugar]] |
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| April || yes? || ? || ? || no |
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| yes || Full Fedora Softare Dev. || yes |
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| 6GB (April version: no etoys) |
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|- |
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| [[:Category:Installing Sugar|Installing Sugar]] |
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| continuous || yes || yes? || yes? || yes |
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| yes || your own || yes |
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| Quite hard to do. |
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|} |
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Key: |
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:library: A library of sample content is included (english version). Ie, pretty text to web browse without having to get network. |
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:R/W (writable): With an .img, you can save things between sessions. With a .iso, your environment is the same each time you start. |
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:development software: are development tools included? |
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:Net (network): does the network "just work" or "manual" steps are required? |
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Problems: |
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:A: LiveCd (April) on fc6 x86_64, kernel panics under kqemu. A squashfs problem. |
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:B: Tam Tam is silent (though EToys makes noise). Cause unknown. |
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Notes: |
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*re "does sugar-jhbuild support camera/mic?": "yes, if the camera uses v4l2 and 640x480, I'd suspect so." Can someone confirm this? (#olpc, now) [[User:MitchellNCharity|MitchellNCharity]] 00:16, 2 June 2007 (EDT) |
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Doables: |
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*Remove LiveCd's "?" above. |
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*Find out what's going on with Tam Tam sound. It would be nice for the xo disk images to all be sound-yes. |
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*Add a microphone column? Reconsolidate sound/camera/mic into a H/W column? |
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[http://sugarlabs.org Sugar], the unique user interface of the XO laptops, is also distributed as a generic software project and can be developed and tested on "regular" computers as well as XOs. See [http://wiki.sugarlabs.org/go/Downloads Sugar Labs Downloads] for the full range of options, such as [http://wiki.sugarlabs.org/go/Sugar_on_a_Stick Sugar on a Stick]. |
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For emulation of extremely old builds, you may be able to come across "ext3 images" on some corners of http://download.laptop.org and http://xs-dev.laptop.org/~cscott/olpc/streams/ which can be loaded into emulators. You are unlikely to find support for them! |
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[[Category:OS]] |
[[Category:OS]] |
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Latest revision as of 16:26, 30 July 2013
| modify |
In the past, OLPC produced alternative software images which could be run in emulators such as QEMU and VMware. This meant that development and testing could happen to a limited extent without requiring an XO laptop.
In 2013, please see Tom Gilliard's many virtual machine images ready-to-go.
Note, XOs are readily available to genuine volunteer contributors through the Contributors program.
Sugar, the unique user interface of the XO laptops, is also distributed as a generic software project and can be developed and tested on "regular" computers as well as XOs. See Sugar Labs Downloads for the full range of options, such as Sugar on a Stick.
For emulation of extremely old builds, you may be able to come across "ext3 images" on some corners of http://download.laptop.org and http://xs-dev.laptop.org/~cscott/olpc/streams/ which can be loaded into emulators. You are unlikely to find support for them!