Kernel Building: Difference between revisions
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#REDIRECT [[Kernel]] |
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;Note: it is recommended that you build an RPM ([[Rebuilding OLPC kernel]]) unless you are already familiar with kernel development! |
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== Building an OLPC kernel == |
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After obtaining the OLPC source (and if desired, making changes), the following steps can be taken to build a kernel on any Fedora Core 6 machine: |
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make oldconfig |
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make |
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make modules_install # as root |
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tar zcvf kern.tar.gz arch/i386/boot/bzImage System.map /lib/modules/$VERS |
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;Warning!:this needs root and will trash your /lib/modules, if you happen to already have same version. Use "make INSTALL_MOD_PATH=/somewhere modules_install" if you want to avoid using root). |
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Replace $VERS above with the proper kernel version that has been built. |
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Assuming everything builds correctly, you will be left with kern.tar.gz. This can be copied over to an XO laptop, and the following steps will install the kernel (again, replacing $VERS with the kernel version): |
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cd / |
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tar zxvf .../kern.tar.gz |
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mv System.map /boot/System.map-$VERS |
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mv arch/i386/boot/bzImage /boot/vmlinuz-$VERS |
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ln -sf /boot/vmlinuz-$VERS /boot/vmlinuz |
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If not booting off NAND, the additional steps are also necessary: |
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mkinitrd /boot/initrd-$VERS.img $VERS |
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ln -sf /boot/initrd-$VERS.img /boot/initrd.img |
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[[Category:Developers]] |
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[[Category:OS]] |
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[[Category:Software]] |
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Latest revision as of 14:52, 21 February 2011
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