Rebuilding OLPC kernel: Difference between revisions
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#REDIRECT [[Kernel]] |
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This document describes building an OLPC kernel from the olpc-2.6 git repository or SRPM. |
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== The OLPC kernel git repository == |
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The OLPC kernel git repository can be checked out with the following command: |
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<pre> |
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git clone git://dev.laptop.org/olpc-2.6 |
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</pre> |
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Alternatively, SRPMs are available at |
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http://dev.laptop.org/~dilinger/rpms/ |
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The SRPM will place sources in /usr/src/redhat/SOURCES/olpc-2.6.tar.bz2 |
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== Building the git repository == |
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After doing a checkout, one can build the git repository using the standard linux build process (ie, make config; make; make install). The recommended default config file is in the root of the git repository (.config). |
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== Building the RPM == |
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Building the RPM involves downloading the SRPM, installing it, and then running the rpmbuild command. The "dist" and "olpc" macros should be defined when building: |
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<pre> |
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# rpm -ivh kernel-2.6.1*-20061026_dc5079fafb767e4olpc1.src.rpm |
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# rpmbuild -ba --define "dist olpc1" --define "olpc 1" --target=i586 /usr/src/redhat/SPECS/olpc-2.6.spec |
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</pre> |
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After the build finishes, the newly build RPMs will be in /usr/src/redhat/RPMS, and the build tree that was used will be in /usr/src/redhat/BUILD. To make quick changes to the source, for example you can: |
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<pre> |
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# cd /usr/src/redhat/BUILD/kernel-2.6.18/linux-2.6.18.i586 |
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# vi drivers/video/geode/gxfb_dcon.c |
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# make |
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# scp drivers/video/geode/gxfb_dcon.ko testboard: |
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# ssh testboard "rmmod gxfb_dcon; insmod ./gxfb_dcon.ko" |
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</pre> |
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Latest revision as of 14:52, 21 February 2011
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