build_rovema_kernel.ksh
Posted by Anonymous on Tue 12th Dec 2023 16:07
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view followups (newest first): build_rovema_kernel.ksh by Anonymous

#!/bin/ksh93

#
# build_rovema_kernel.ksh
#
# Written by Roland Mainz <roland.mainz@nrubsig.org>
#

#
# build Linux kernel 6.6-RT15
#

function build_kernel
{
        set -o errexit

        mkdir build_kernel
        cd build_kernel/
        git clone -b v6.6-rt15 git://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git
        cd linux-rt-devel/
        cp ../../myconfig_linux_v6_6_rt15.config .config


        #
        # fixme: add patches here
        # - rt RCU patch
        # - default boot args patch
        # - i915 patches
        # - rt udev dir
        #

        time nice -n 19 ksh -c 'CC="gcc -m32" make -j12 bindeb-pkg 2>&1 | tee buildlog.log'

        return 0
}


#
# build custom igb_avb module
#
function build_igbavb
{
        set -o errexit

        mkdir build_igbavb
        cd build_igbavb/

        git clone https://github.com/Avnu/igb_avb.git

        cd igb_avb/
        git checkout '86c115ee89c88f6284d1407244b4a47586c3332d'

        # apply patches
        git am <'../../0001-libigb-Use-PTHREAD_PRIO_INHERIT-for-mutex-to-avoid-r.patch'
        git am <'../../0002-Disable-pci_-_pcie_error_reporting-for-Linux-kernels.patch'

        #
        # build kernel module
        #
        cd kmod/
        CC="gcc -m32" make -j4 -C "$PWD/../../../build_kernel/linux-rt-devel/" KSRC="$PWD/../../../build_kernel/linux-rt-devel/" M=$PWD
        cd ..

        #
        # build shared library vesion of libigb.a
        #
        cd lib
        CC="gcc -m32" make all
        gcc -m32 -shared -fPIC -o libigb.so -Wl,--whole-archive libigb.a -Wl,--no-whole-archive -lpthread

        return 0
}

build_igbavb

# EOF.