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167 lines
6.4 KiB
167 lines
6.4 KiB
#!/bin/bash
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#Break execution on any error received
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set -e
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#trap read debug
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echo -e "\e[36mDevelopment script for kernel 4.16 with metadata node\e[0m"
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#Locally suppress stderr to avoid raising not relevant messages
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exec 3>&2
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exec 2> /dev/null
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con_dev=$(ls /dev/video* | wc -l)
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exec 2>&3
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if [ $con_dev -ne 0 ];
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then
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echo -e "\e[32m"
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read -p "Remove all RealSense cameras attached. Hit any key when ready"
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echo -e "\e[0m"
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fi
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#Include usability functions
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source ./scripts/patch-utils.sh
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# Get the required tools and headers to build the kernel
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sudo apt-get install linux-headers-generic build-essential git
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#Packages to build the patched modules / kernel 4.16
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require_package libusb-1.0-0-dev
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require_package libssl-dev
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require_package bison
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require_package flex
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require_package libelf-dev
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retpoline_retrofit=0
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LINUX_BRANCH=$(uname -r)
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# Construct branch name from distribution codename {xenial,bionic,..} and kernel version
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ubuntu_codename=`. /etc/os-release; echo ${UBUNTU_CODENAME/*, /}`
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if [ -z "${ubuntu_codename}" ];
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then
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# Trusty Tahr shall use xenial code base
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ubuntu_codename="xenial"
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retpoline_retrofit=1
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fi
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minor=$(uname -r | cut -d '.' -f 2)
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if [ $minor -ne 16 ];
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then
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echo -e "\e[43mThe patch is applicable for kernel version 4.16. \n/
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For earlier kernels please use patch-realsense-ubuntu-lts.sh script \e[0m"
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exit 1
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fi
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kernel_branch=$(uname -r | awk -F '[.-]' '{print "v"$1"."$2"."$3}')
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kernel_major_minor=$(uname -r | awk -F '[.-]' '{print "v"$1"."$2}')
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kernel_name="ubuntu-${ubuntu_codename}-$kernel_branch"
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#Distribution-specific packages
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if [ ${ubuntu_codename} == "bionic" ];
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then
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require_package libelf-dev
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require_package elfutils
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fi
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# Get the linux kernel and change into source tree
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[ ! -d ${kernel_name} ] && git clone -b $kernel_branch git://git.launchpad.net/~ubuntu-kernel-test/ubuntu/+source/linux/+git/mainline-crack --depth 1 ./${kernel_name}
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cd ${kernel_name}
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# Verify that there are no trailing changes., warn the user to make corrective action if needed
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if [ $(git status | grep 'modified:' | wc -l) -ne 0 ];
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then
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echo -e "\e[36mThe kernel has modified files:\e[0m"
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git status | grep 'modified:'
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echo -e "\e[36mProceeding will reset all local kernel changes. Press 'n' within 10 seconds to abort the operation"
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set +e
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read -n 1 -t 10 -r -p "Do you want to proceed? [Y/n]" response
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set -e
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response=${response,,} # tolower
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if [[ $response =~ ^(n|N)$ ]];
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then
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echo -e "\e[41mScript has been aborted on user requiest. Please resolve the modified files are rerun\e[0m"
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exit 1
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else
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echo -e "\e[0m"
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echo -e "\e[32mUpdate the folder content with the latest from mainline branch\e[0m"
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git fetch origin $kernel_branch --depth 1
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printf "Resetting local changes in %s folder\n " ${kernel_name}
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git reset --hard $kernel_branch
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fi
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fi
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#Check if we need to apply patches or get reload stock drivers (Developers' option)
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[ "$#" -ne 0 -a "$1" == "reset" ] && reset_driver=1 || reset_driver=0
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if [ $reset_driver -eq 1 ];
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then
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echo -e "\e[43mUser requested to rebuild and reinstall ubuntu-${ubuntu_codename} stock drivers\e[0m"
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else
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# Patching kernel for RealSense devices
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echo -e "\e[32mApplying realsense-uvc patch\e[0m"
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patch -p1 < ../scripts/realsense-camera-formats_ubuntu-${ubuntu_codename}-${kernel_major_minor}.patch
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echo -e "\e[32mApplying realsense-metadata patch\e[0m"
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patch -p1 < ../scripts/realsense-metadata-ubuntu-${ubuntu_codename}-${kernel_major_minor}.patch
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echo -e "\e[32mApplying realsense-hid patch\e[0m"
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patch -p1 < ../scripts/realsense-hid-ubuntu-${ubuntu_codename}-${kernel_major_minor}.patch
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echo -e "\e[32mApplying realsense-powerlinefrequency-fix patch\e[0m"
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patch -p1 < ../scripts/realsense-powerlinefrequency-control-fix.patch
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#echo -e "\e[32mApplying kernel debug patches\e[0m"
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#patch -p1 < ../scripts/0001-Kernel-debugs.patch
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fi
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# Copy configuration
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sudo cp /usr/src/linux-headers-$(uname -r)/.config .
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sudo cp /usr/src/linux-headers-$(uname -r)/Module.symvers .
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# Basic build for kernel modules
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echo -e "\e[32mPrepare kernel modules configuration\e[0m"
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#Retpoline script manual retrieval. based on https://github.com/IntelRealSense/librealsense/issues/1493
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#Required since the retpoline patches were introduced into Ubuntu kernels
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if [ ! -f scripts/ubuntu-retpoline-extract-one ]; then
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pwd
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for f in $(find . -name 'retpoline-extract-one'); do cp ${f} scripts/ubuntu-retpoline-extract-one; done;
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echo $$$
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fi
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sudo make silentoldconfig modules_prepare
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#Vermagic identity is required
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IFS='.' read -a kernel_version <<< "$LINUX_BRANCH"
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sudo sed -i "s/\".*\"/\"$LINUX_BRANCH\"/g" ./include/generated/utsrelease.h
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sudo sed -i "s/.*/$LINUX_BRANCH/g" ./include/config/kernel.release
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#Patch for Trusty Tahr (Ubuntu 14.05) with GCC not retrofitted with the retpoline patch.
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[ $retpoline_retrofit -eq 1 ] && sudo sed -i "s/#ifdef RETPOLINE/#if (1)/g" ./include/linux/vermagic.h
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# Build the uvc, accel and gyro modules
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KBASE=`pwd`
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cd drivers/media/usb/uvc
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sudo cp $KBASE/Module.symvers .
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echo -e "\e[32mCompiling uvc module\e[0m"
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sudo make -j -C $KBASE M=$KBASE/drivers/media/usb/uvc/ modules
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#echo -e "\e[32mCompiling accelerometer and gyro modules\e[0m"
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sudo make -j -C $KBASE M=$KBASE/drivers/iio/accel modules
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sudo make -j -C $KBASE M=$KBASE/drivers/iio/gyro modules
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echo -e "\e[32mCompiling v4l2-core modules\e[0m"
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sudo make -j -C $KBASE M=$KBASE/drivers/media/v4l2-core modules
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# Copy the patched modules to a sane location
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sudo cp $KBASE/drivers/media/usb/uvc/uvcvideo.ko ~/$LINUX_BRANCH-uvcvideo.ko
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sudo cp $KBASE/drivers/iio/accel/hid-sensor-accel-3d.ko ~/$LINUX_BRANCH-hid-sensor-accel-3d.ko
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sudo cp $KBASE/drivers/iio/gyro/hid-sensor-gyro-3d.ko ~/$LINUX_BRANCH-hid-sensor-gyro-3d.ko
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sudo cp $KBASE/drivers/media/v4l2-core/videodev.ko ~/$LINUX_BRANCH-videodev.ko
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echo -e "\e[32mPatched kernels modules were created successfully\n\e[0m"
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# Load the newly-built modules
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try_module_insert videodev ~/$LINUX_BRANCH-videodev.ko /lib/modules/`uname -r`/kernel/drivers/media/v4l2-core/videodev.ko
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try_module_insert uvcvideo ~/$LINUX_BRANCH-uvcvideo.ko /lib/modules/`uname -r`/kernel/drivers/media/usb/uvc/uvcvideo.ko
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try_module_insert hid_sensor_accel_3d ~/$LINUX_BRANCH-hid-sensor-accel-3d.ko /lib/modules/`uname -r`/kernel/drivers/iio/accel/hid-sensor-accel-3d.ko
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try_module_insert hid_sensor_gyro_3d ~/$LINUX_BRANCH-hid-sensor-gyro-3d.ko /lib/modules/`uname -r`/kernel/drivers/iio/gyro/hid-sensor-gyro-3d.ko
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echo -e "\e[92m\n\e[1mScript has completed. Please consult the installation guide for further instruction.\n\e[0m"
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