Merge pull request #3 from jetsonhacks/development

CUDA Development

buildPatchedKernel.sh

@@ -0,0 +1,151 @@
+#!/bin/bash
+# Patch the kernel for the Intel Realsense library librealsense on a Jetson TX Development Kit
+# Copyright (c) 2016-18 Jetsonhacks 
+# MIT License
+
+# Error out if something goes wrong
+set -e
+
+CLEANUP=true
+
+function usage
+{
+    echo "usage: ./buildPatchedKernel.sh [[-n nocleanup ] | [-h]]"
+    echo "-n | --nocleanup   Do not remove kernel and module sources after build"
+    echo "-h | --help  This message"
+}
+
+# Iterate through command line inputs
+while [ "$1" != "" ]; do
+    case $1 in
+        -n | --nocleanup )      CLEANUP=false
+                                ;;
+        -h | --help )           usage
+                                exit
+                                ;;
+        * )                     usage
+                                exit 1
+    esac
+    shift
+done
+
+
+
+INSTALL_DIR=$PWD
+# Is this the correct kernel version?
+source scripts/jetson_variables.sh
+#Print Jetson version
+echo "$JETSON_DESCRIPTION"
+#Print Jetpack version
+echo "Jetpack $JETSON_JETPACK [L4T $JETSON_L4T]"
+
+# Check to make sure we're installing the correct kernel sources
+L4TTarget="28.2"
+if [ $JETSON_L4T != $L4TTarget ] ; then
+#   echo "Getting kernel sources"
+   # sudo ./scripts/getKernelSources.sh
+# else
+   echo ""
+   tput setaf 1
+   echo "==== L4T Kernel Version Mismatch! ============="
+   tput sgr0
+   echo ""
+   echo "This repository is for modifying the kernel for L4T "$L4TTarget "system." 
+   echo "You are attempting to modify a L4T "$JETSON_L4T "system."
+   echo "The L4T releases must match!"
+   echo ""
+   echo "There may be versions in the tag/release sections that meet your needs"
+   echo ""
+   exit 1
+fi
+
+# Is librealsense on the device?
+LIBREALSENSE_DIRECTORY=${HOME}/librealsense
+LIBREALSENSE_VERSION=v2.10.4
+
+if [ ! -d "$LIBREALSENSE_DIRECTORY" ] ; then
+   echo "The librealsense repository directory is not available"
+   read -p "Would you like to git clone librealsense? (y/n) " answer
+   case ${answer:0:1} in
+     y|Y )
+         # clone librealsense
+         cd ${HOME}
+         echo "${green}Cloning librealsense${reset}"
+         git clone https://github.com/IntelRealSense/librealsense.git
+         cd librealsense
+         # Checkout version the last tested version of librealsense
+         git checkout $LIBREALSENSE_VERSION
+     ;;
+     * )
+         echo "Kernel patch and build not started"   
+         exit 1
+     ;;
+   esac
+fi
+
+# Is the version of librealsense current enough?
+cd $LIBREALSENSE_DIRECTORY
+VERSION_TAG=$(git tag -l $LIBREALSENSE_VERSION)
+if [ ! $VERSION_TAG  ] ; then
+   echo ""
+  tput setaf 1
+  echo "==== librealsense Version Mismatch! ============="
+  tput sgr0
+  echo ""
+  echo "The installed version of librealsense is not current enough for these scripts."
+  echo "This script needs librealsense tag version: "$LIBREALSENSE_VERSION "but it is not available."
+  echo "This script uses patches from librealsense on the kernel source."
+  echo "Please upgrade librealsense before attempting to patch and build the kernel again."
+  echo ""
+  exit 1
+fi
+
+KERNEL_BUILD_DIR=""
+cd $INSTALL_DIR
+echo "Ready to patch and build kernel "$JETSON_BOARD
+if [ $JETSON_BOARD == "TX2" ] ; then 
+  git clone https://github.com/jetsonhacks/buildJetsonTX2Kernel.git
+  KERNEL_BUILD_DIR=buildJetsonTX2Kernel
+  cd $KERNEL_BUILD_DIR
+  git checkout vL4T28.2r3
+elif [ $JETSON_BOARD == "TX1" ] ; then
+    git clone https://github.com/jetsonhacks/buildJetsonTX1Kernel.git
+    KERNEL_BUILD_DIR=buildJetsonTX1Kernel
+    cd $KERNEL_BUILD_DIR
+    git checkout v1.0-L4T28.2
+  else 
+    tput setaf 1
+    echo "==== Build Issue! ============="
+    tput sgr0
+    echo "There are no build scripts for this Jetson board"
+    exit 1
+fi
+
+# Get the kernel sources; does not open up editor on .config file
+echo "${green}Getting Kernel sources${reset}"
+./getKernelSourcesNoGUI.sh
+cd ..
+echo "${green}Patching and configuring kernel${reset}"
+sudo ./scripts/configureKernel.sh
+sudo ./scripts/patchKernel.sh
+
+cd $KERNEL_BUILD_DIR
+# Make the new Image and build the modules
+echo "${green}Building Kernel and Modules${reset}"
+./makeKernel.sh
+# Now copy over the built image
+./copyImage.sh
+# Remove buildJetson Kernel scripts
+if [ $CLEANUP == true ]
+then
+ echo "Removing Kernel build sources"
+ ./removeAllKernelSources.sh
+ cd ..
+ sudo rm -r $KERNEL_BUILD_DIR
+else
+ echo "Kernel sources are in /usr/src"
+fi
+
+
+echo "Please reboot for changes to take effect"
+