jetsonhacks · Shreeyak · Jun 26, 2018 · Jun 26, 2018 · Jun 26, 2018 · Jun 26, 2018
diff --git a/getKernelSources.sh b/getKernelSources.sh
@@ -6,29 +6,6 @@ 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 == $L4TTarget ] ; then
-   echo "Getting kernel sources"
-   sudo ./scripts/getKernelSources.sh
-else
-   echo ""
-   tput setaf 1
-   echo "==== L4T Kernel Version Mismatch! ============="
-   tput sgr0
-   echo ""
-   echo "This repository branch is for installing the kernel sources for L4T "$L4TTarget 
-   echo "You are attempting to use these kernel sources on a L4T "$JETSON_L4T "system."
-   echo "The kernel sources do not match their L4T release!"
-   echo ""
-   echo "Please git checkout the appropriate kernel sources for your release"
-   echo " "
-   echo "You can list the tagged versions."
-   echo "$ git tag -l"
-   echo "And then checkout the latest version: "
-   echo "For example"
-   echo "$ git checkout v1.0-L4T"$JETSON_L4T
-   echo ""
-fi
 
 
+sudo ./scripts/getKernelSources.sh
diff --git a/scripts/getKernelSources.sh b/scripts/getKernelSources.sh
@@ -1,16 +1,113 @@
 #!/bin/bash
+source jetson_variables.sh
+
 apt-add-repository universe
 apt-get update
 apt-get install qt5-default pkg-config -y
 cd /usr/src
-wget -N http://developer.download.nvidia.com/embedded/L4T/r28_Release_v2.0/GA/BSP/tx2_sources.tbz2
-sudo tar -xvf tx2_sources.tbz2 public_release/kernel_src.tbz2
-tar -xvf public_release/kernel_src.tbz2
-# Space is tight; get rid of the compressed kernel source
-rm -r public_release
-cd kernel/kernel-4.4
-# Go get the default config file; this becomes the new system configuration
-zcat /proc/config.gz > .config
-# Ready to configure kernel
-make xconfig
+
+# Install the kernel source for L4T
+
+#Print Jetson version
+echo "$JETSON_DESCRIPTION"
+
+#Pring Jetpack Version
+echo "Jetpack $JETSON_JETPACK [L4T $JETSON_L4T]"
+
+# Set kernel tag to to the version of L4T in system. Reference: http://nv-tegra.nvidia.com/gitweb/?p=linux-t18x.git;a=summary
+# Possible kernel tags for TX2:
+# 	tegra-l4t-r28.2.1
+#   tegra-l4t-r28.2
+#   tegra-l4t-r28.2-rc
+#   tegra-l4t-r28.1
+#   tegra-l4t-r27.1
+#KERNEL_TAG=0
+echo "Jetson L4T is $JETSON_L4T"
+
+if [ "$JETSON_BOARD" = "TX2i" ] ; then
+    case $JETSON_L4T in
+        "28.2.1")
+           KERNEL_TAG="tegra-l4t-r28.2.1" ;;
+        "28.2")
+           KERNEL_TAG="tegra-l4t-r28.2" ;;
+        *)
+           KERNEL_TAG="UNKNOWN" ;;
+    esac
+elif [ "$JETSON_BOARD" = "TX2" ] ; then
+    case $JETSON_L4T in
+        "28.2.1")
+                KERNEL_TAG="tegra-l4t-r28.2.1" ;;
+        "28.2")
+                KERNEL_TAG="tegra-l4t-r28.2" ;;
+        "28.1")
+                KERNEL_TAG="tegra-l4t-r28.1" ;;
+        "27.1")
+                KERNEL_TAG="tegra-l4t-r27.1" ;;
+        *)
+           KERNEL_TAG="UNKNOWN" ;;
+    esac
+else
+    # Unknown board
+    KERNEL_TAG="UNKNOWN"
+fi
+
+
+echo "Setting the kernel URL for L4T $KERNEL_TAG"
+echo "Getting kernel sources"
+
+if [ $KERNEL_TAG == "UNKNOWN" ] ; then
+   echo "An unsupported version of the board or L4T detected! "
+   sudo ./scripts/getKernelSources.sh
+else
+
+  # Note: New Method for getting kernel source.
+  # For older method, following can be used, but decided to come up with more efficient mode:
+  # wget -N "https://developer.download.nvidia.com/embedded/L4T/r28_Release_v2.1/public_sources.tbz2?YoszKxkjC1hGlemo-Y1ErDXXvPUeDepDcd8KBvWL29Re9YNC8HZyClKNEEqvIB2r_pxl7GJyusN7ucO-DhysxFqkqLUOyPRpB2qvvefsf7CcJpOnrb0imN2Lkpa8C3K_ItZ0cl3yneR7VQb9L-_wmw"
+  # Getting from Git via cloning takes way too long, so we download the "snapshots" generated by gitweb. Inspired by source_sync.sh script.
+  # The snapshot option can be seen here: http://nv-tegra.nvidia.com/gitweb/?p=linux-4.4.git;a=commit;h=d259faa6df3f513591e4246a782f51bb940d09ad
+
+
+  SOURCE_INFO="
+  kernel/kernel-4.4:linux-4.4.git
+  kernel/t18x:linux-t18x.git
+  kernel/nvgpu:linux-nvgpu.git
+  kernel/nvhost:linux-nvhost.git
+  kernel/nvmap:linux-nvmap.git
+  kernel/nvmap-t18x:linux-nvmap-t18x.git
+  kernel/display:linux-display.git
+  hardware/nvidia/soc/t18x:device/hardware/nvidia/soc/t18x.git
+  hardware/nvidia/platform/tegra/common:device/hardware/nvidia/platform/tegra/common.git
+  hardware/nvidia/platform/t18x/common:device/hardware/nvidia/platform/t18x/common.git
+  hardware/nvidia/platform/t18x/quill:device/hardware/nvidia/platform/t18x/quill.git
+  hardware/nvidia/soc/t210:device/hardware/nvidia/soc/t210.git
+  hardware/nvidia/platform/t210/common:device/hardware/nvidia/platform/t210/common.git
+  hardware/nvidia/platform/t210/jetson:device/hardware/nvidia/platform/t210/jetson.git
+  hardware/nvidia/soc/tegra:device/hardware/nvidia/soc/tegra.git
+  "
+  NSOURCES=0
+  declare -a SOURCE_INFO_PROCESSED
+  SOURCE_INFO_PROCESSED=($(echo "$SOURCE_INFO"))
+  NSOURCES=${#SOURCE_INFO_PROCESSED[*]}
+
+  for ((i=0; i < NSOURCES; i++)); do
+    FOLDER_NAME=$(echo "${SOURCE_INFO_PROCESSED[i]}" | cut -f 1 -d ':')
+  	REPO_URL=$(echo "${SOURCE_INFO_PROCESSED[i]}" | cut -f 2 -d ':')
+  	REPO_NAME=$(echo "${REPO_URL}" | cut -f 1 -d '.')
+
+  	mkdir -p "$FOLDER_NAME"
+  	wget -O "$REPO_NAME.tgz" -vr "http://nv-tegra.nvidia.com/gitweb/?p=$REPO_URL;a=snapshot;h=$KERNEL_TAG;sf=tgz"
+
+  	tar -xvf "$REPO_NAME.tgz" -C "$FOLDER_NAME" --strip-components 1
+  	rm "$REPO_NAME.tgz"
+
+  done
+
+
+  cd kernel/kernel-4.4
+
+  # Go get the default config file; this becomes the new system configuration
+  zcat /proc/config.gz > .config
+  # Ready to configure kernel
+  make xconfig
+fi
 
diff --git a/scripts/getKernelSourcesNoGUI.sh b/scripts/getKernelSourcesNoGUI.sh
@@ -3,12 +3,55 @@ apt-add-repository universe
 apt-get update
 apt-get install pkg-config -y
 cd /usr/src
-wget -N http://developer.download.nvidia.com/embedded/L4T/r28_Release_v2.0/GA/BSP/tx2_sources.tbz2
-sudo tar -xvf tx2_sources.tbz2 public_release/kernel_src.tbz2
-tar -xvf public_release/kernel_src.tbz2
-# Space is tight; get rid of the compressed kernel source
-rm -r public_release
+
+# Note: New Method for getting kernel source.
+# For older method, following can be used, but decided to come up with more efficient mode:
+# wget -N "https://developer.download.nvidia.com/embedded/L4T/r28_Release_v2.1/public_sources.tbz2?YoszKxkjC1hGlemo-Y1ErDXXvPUeDepDcd8KBvWL29Re9YNC8HZyClKNEEqvIB2r_pxl7GJyusN7ucO-DhysxFqkqLUOyPRpB2qvvefsf7CcJpOnrb0imN2Lkpa8C3K_ItZ0cl3yneR7VQb9L-_wmw"
+# Getting from Git via cloning takes way too long, so we download the "snapshots" generated by gitweb. Inspired by source_sync.sh script.
+# The snapshot option can be seen here: http://nv-tegra.nvidia.com/gitweb/?p=linux-4.4.git;a=commit;h=d259faa6df3f513591e4246a782f51bb940d09ad
+
+
+SOURCE_INFO="
+kernel/kernel-4.4:linux-4.4.git
+kernel/t18x:linux-t18x.git
+kernel/nvgpu:linux-nvgpu.git
+kernel/nvhost:linux-nvhost.git
+kernel/nvmap:linux-nvmap.git
+kernel/nvmap-t18x:linux-nvmap-t18x.git
+kernel/display:linux-display.git
+hardware/nvidia/soc/t18x:device/hardware/nvidia/soc/t18x.git
+hardware/nvidia/platform/tegra/common:device/hardware/nvidia/platform/tegra/common.git
+hardware/nvidia/platform/t18x/common:device/hardware/nvidia/platform/t18x/common.git
+hardware/nvidia/platform/t18x/quill:device/hardware/nvidia/platform/t18x/quill.git
+hardware/nvidia/soc/t210:device/hardware/nvidia/soc/t210.git
+hardware/nvidia/platform/t210/common:device/hardware/nvidia/platform/t210/common.git
+hardware/nvidia/platform/t210/jetson:device/hardware/nvidia/platform/t210/jetson.git
+hardware/nvidia/soc/tegra:device/hardware/nvidia/soc/tegra.git
+"
+NSOURCES=0
+declare -a SOURCE_INFO_PROCESSED
+SOURCE_INFO_PROCESSED=($(echo "$SOURCE_INFO"))
+NSOURCES=${#SOURCE_INFO_PROCESSED[*]}
+
+for ((i=0; i < NSOURCES; i++)); do
+  FOLDER_NAME=$(echo "${SOURCE_INFO_PROCESSED[i]}" | cut -f 1 -d ':')
+	REPO_URL=$(echo "${SOURCE_INFO_PROCESSED[i]}" | cut -f 2 -d ':')
+	REPO_NAME=$(echo "${REPO_URL}" | cut -f 1 -d '.')
+
+	mkdir -p "$FOLDER_NAME"
+	wget -O "$REPO_NAME.tgz" -vr "http://nv-tegra.nvidia.com/gitweb/?p=$REPO_URL;a=snapshot;h=$KERNEL_TAG;sf=tgz"
+
+	tar -xvf "$REPO_NAME.tgz" -C "$FOLDER_NAME" --strip-components 1
+	rm "$REPO_NAME.tgz"
+
+done
+
+
 cd kernel/kernel-4.4
+
 # Go get the default config file; this becomes the new system configuration
 zcat /proc/config.gz > .config
+# Ready to configure kernel
+
+
 
diff --git a/scripts/jetson_variables.sh b/scripts/jetson_variables.sh
@@ -6,29 +6,29 @@
 # modification, are permitted provided that the following conditions
 # are met:
 #
-# 1. Redistributions of source code must retain the above copyright 
+# 1. Redistributions of source code must retain the above copyright
 #    notice, this list of conditions and the following disclaimer.
 # 2. Redistributions in binary form must reproduce the above copyright
 #    notice, this list of conditions and the following disclaimer in the
 #    documentation and/or other materials provided with the distribution.
-# 3. Neither the name of the copyright holder nor the names of its 
-#    contributors may be used to endorse or promote products derived 
+# 3. Neither the name of the copyright holder nor the names of its
+#    contributors may be used to endorse or promote products derived
 #    from this software without specific prior written permission.
-# 
-# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 
-# CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, 
-# BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
+# CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
+# BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
 # FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-# HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 
+# HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
-# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 
-# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 
-# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE 
-# OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, 
+# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
+# OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
 # EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-# NVIDIA Identify version 
-# reference: 
+# NVIDIA Identify version
+# reference:
 # https://devtalk.nvidia.com/default/topic/1014424/jetson-tx2/identifying-tx1-and-tx2-at-runtime/
 # https://devtalk.nvidia.com/default/topic/996988/jetson-tk1/chip-uid/post/5100481/#5100481
 
@@ -53,62 +53,66 @@ if [ -f /etc/nv_tegra_release ]; then
     JETSON_L4T_STRING=$(head -n 1 /etc/nv_tegra_release)
 
     # Load release and revision
-    JETSON_L4T_RELEASE=$(echo $JETSON_L4T_STRING | cut -f 1 -d ',' | sed 's/\# R//g' | cut -d ' ' -f1)
-    JETSON_L4T_REVISION=$(echo $JETSON_L4T_STRING | cut -f 2 -d ',' | sed 's/\ REVISION: //g' | cut -d. -f1)
+    JETSON_L4T_RELEASE=$(echo $JETSON_L4T_STRING | cut -f 1 -d ',' | sed 's,\# R,,' | cut -d ' ' -f 1)
+    JETSON_L4T_REVISION=$(echo $JETSON_L4T_STRING | cut -f 2 -d ',' | sed 's,\ REVISION: ,,g')
     # unset variable
     unset JETSON_L4T_STRING
-    
+
     # Write Jetson description
     JETSON_L4T="$JETSON_L4T_RELEASE.$JETSON_L4T_REVISION"
 
     # Write version of jetpack installed
     # https://developer.nvidia.com/embedded/jetpack-archive
-    if [ "$JETSON_BOARD" = "TX2i" ] ; then 
+    if [ "$JETSON_BOARD" = "TX2i" ] ; then
         case $JETSON_L4T in
-            "28.2") 
+            "28.2.1")
+                    JETSON_JETPACK="3.2.1" ;;
+            "28.2.0")
                JETSON_JETPACK="3.2" ;;
             *)
                JETSON_JETPACK="UNKNOWN" ;;
-        esac        
+        esac
     elif [ "$JETSON_BOARD" = "TX2" ] ; then
         case $JETSON_L4T in
-            "28.2") 
+            "28.2.1")
+                    JETSON_JETPACK="3.2.1" ;;
+            "28.2.0")
                     JETSON_JETPACK="3.2" ;;
-            "28.1") 
+            "28.1.0")
                     JETSON_JETPACK="3.1" ;;
-            "27.1") 
+            "27.1.0")
                     JETSON_JETPACK="3.0" ;;
             *)
                JETSON_JETPACK="UNKNOWN" ;;
         esac
     elif [ "$JETSON_BOARD" = "TX1" ] ; then
         case $JETSON_L4T in
-            "28.2") 
+            "28.2.0")
                     JETSON_JETPACK="3.2" ;;
-            "28.1") 
+            "28.1.0")
                     JETSON_JETPACK="3.1" ;;
-            "24.2.1") 
+            "24.2.1")
                     JETSON_JETPACK="3.0 or 2.3.1" ;;
-            "24.2") 
+            "24.2.0")
                     JETSON_JETPACK="2.3" ;;
-            "24.1") 
+            "24.1.0")
                     JETSON_JETPACK="2.2.1 or 2.2" ;;
-            "23.2") 
+            "23.2.0")
                     JETSON_JETPACK="2.1" ;;
-            "23.1") 
+            "23.1.0")
                     JETSON_JETPACK="2.0" ;;
             *)
                JETSON_JETPACK="UNKNOWN" ;;
         esac
     elif [ "$JETSON_BOARD" ="TK1" ] ; then
         case $JETSON_L4T in
-            "21.5") 
+            "21.5.0")
                     JETSON_JETPACK="2.3.1 or 2.3" ;;
-            "21.4") 
+            "21.4.0")
                     JETSON_JETPACK="2.2 or 2.1 or 2.0 or DP 1.2" ;;
-            "21.3") 
+            "21.3.0")
                     JETSON_JETPACK="DP 1.1" ;;
-            "21.2") 
+            "21.2.0")
                     JETSON_JETPACK="DP 1.0" ;;
             *)
                JETSON_JETPACK="UNKNOWN" ;;