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Hacking b2g on Raspberry Pi: Difference between revisions
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== Flash an existing build == | == Flash an existing build == | ||
First [https://www.dropbox.com/s/ | First [https://www.dropbox.com/s/4udfp704u2hmemx/ffos-rpi-04.img.tar.bz2?dl=0 download the build]. Next extract it as follows | ||
tar jxvf ffos-rpi-*.img.tar.bz2 | tar jxvf ffos-rpi-*.img.tar.bz2 | ||
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Note: if you're configured your RPi to output through the touchscreen, and you disconnect the touchscreen (when the RPi is powered off, of course), then after rebooting the RPi may still try to output through the nonexistent screen. This bug is not yet understood and seems to be a kernel issue. But you can still follow the directions above to revert to HDMI output. | Note: if you're configured your RPi to output through the touchscreen, and you disconnect the touchscreen (when the RPi is powered off, of course), then after rebooting the RPi may still try to output through the nonexistent screen. This bug is not yet understood and seems to be a kernel issue. But you can still follow the directions above to revert to HDMI output. | ||
Touchscreen input (using the PiTFT) seems not to work by now. | |||
== Building b2g for RPi == | == Building b2g for RPi == | ||
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./config.sh rpi | ./config.sh rpi | ||
The config.sh step can take quite a while, because it downloads a large amount of data. Once that finishes, you need to apply a patch to the gecko checkout (for now; the patches are making their way through reviews etc.). [https:// | The config.sh step can take quite a while, because it downloads a large amount of data. Once that finishes, you need to apply a patch to the gecko checkout (for now; the patches are making their way through reviews etc.). [https://www.dropbox.com/s/j5bbuifod7pjusi/ffos-rpi-04.patch?dl=0 Download the patch from here] and then apply to your <code>B2G/gecko</code> subdirectory by running the command | ||
(cd gecko && git apply [the patch you downloaded]) | (cd gecko && git apply [the patch you downloaded]) | ||
Note: if <code>git apply</code> fails, you may need to use <code>patch -p1</code>. Also, the contents of this patch should shrink over time as changes are landed upstream. So after you <code>repo sync</code> your checkout, you may need to return to this page and apply a new version of the patch. Hopefully, soon no extra patches will be needed. | Note: if <code>git apply</code> fails, you may need to use <code>patch -p1</code>. Also, the contents of this patch should shrink over time as changes are landed upstream. So after you <code>repo sync</code> your checkout, you may need to return to this page and apply a new version of the patch. Hopefully, soon no extra patches will be needed. | ||
Next, either copy the files <code>device/rpi/rpi/custom-settings.json</code> and <code>device/rpi/rpi/custom-prefs.js</code> in your <code>gaia/build/config/</code> directory, or --- if you already have custom settings or prefs --- append the contents of those files to your existing custom-* files. | Next, either copy the files <code>device/rpi/rpi/custom-settings.json</code> and <code>device/rpi/rpi/custom-prefs.js</code> in your <code>gaia/build/config/</code> directory, or --- if you already have custom settings or prefs --- append the contents of those files to your existing custom-* files. | ||
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You can also flash your SD card anew at any time by following the instructions above. But this should usually not be necessary. | You can also flash your SD card anew at any time by following the instructions above. But this should usually not be necessary. | ||
[[Category:Firefox OS]] | |||
[[Category:Raspberry Pi]] | |||