Merge pull request IntelRealSense#220 from Arun-Prasad-V/dev_dbg

Enabling dev_dbg() logs support for JP5 & JP6

README_JP5.md

@@ -73,6 +73,10 @@ sudo apt install build-essential bc flex bison
 # build kernel, dtb and D457 driver
 ./build_all.sh 5.0.2 ./Linux_for_Tegra/source/public
 ```
+Note: dev_dbg() log support will be enabled by default. If not needed, run the `./build_all.sh` script with `--no-dev-dbg` option like below.
+```
+./build_all.sh --no-dev-dbg 5.0.2 ./Linux_for_Tegra/source/public
+```
 
 </details>
 
@@ -91,6 +95,10 @@ The developers can set up the source code with NVIDIA's Jetson git repositories
 
 ./build_all.sh 5.0.2
 ```
+Note: dev_dbg() log support will be enabled by default. If not needed, run the `./build_all.sh` script with `--no-dev-dbg` option like below.
+```
+./build_all.sh --no-dev-dbg 5.0.2
+```
 
 ## Install kernel, device-tree and D457 driver to Jetson AGX Xavier
 

README_JP6.md

@@ -47,6 +47,10 @@ cd realsense_mipi_platform_driver
 ./apply_patches.sh apply 6.0
 ./build_all.sh 6.0
 ```
+Note: dev_dbg() log support will be enabled by default. If not needed, run the `./build_all.sh` script with `--no-dev-dbg` option like below.
+```
+./build_all.sh --no-dev-dbg 6.0
+```
 
 
 
@@ -80,9 +84,13 @@ cd ../..
 # build kernel, dtb and D457 driver
 ./build_all.sh 6.0 ./Linux_for_Tegra/source
 ```
+Note: dev_dbg() log support will be enabled by default. If not needed, run the `./build_all.sh` script with `--no-dev-dbg` option like below.
+```
+./build_all.sh --no-dev-dbg 6.0 ./Linux_for_Tegra/source
+```
 
 ## Archive JetPack 6.0 build results (optional) on build host
-- kernel image (not modified): `images/6.0/rootfs/boot/Image`
+- kernel image (not modified if `--no-dev-dbg` option is used while building): `images/6.0/rootfs/boot/Image`
 - dtb: `images/6.0/rootfs/boot/dtb/tegra234-p3737-0000+p3701-0000-nv.dtb`
 - dtb overlay: `images/6.0/rootfs/boot/tegra234-camera-d4xx-overlay.dtbo`
 - nvidia-oot modules: `images/6.0/rootfs/lib/modules/5.15.136-tegra/updates`
@@ -112,15 +120,16 @@ Following steps required:
 2.	Copy entire directory `images/6.0/rootfs/lib/modules/5.15.136-tegra/extra` from host to `/lib/modules/5.15.136-tegra/` on Orin target
 3.	Copy `tegra234-camera-d4xx-overlay.dtbo` from host to `/boot/tegra234-camera-d4xx-overlay.dtbo` on Orin target
 4.  Copy `tegra234-p3737-0000+p3701-0000-nv.dtb` from host to `/boot/` on Orin
-5.	Run  $ `sudo /opt/nvidia/jetson-io/jetson-io.py`
+5.  Copy `Image` from host to `/boot/` on Orin
+6.	Run  $ `sudo /opt/nvidia/jetson-io/jetson-io.py`
     1.	Configure Jetson AGX CSI Connector
     2.	Configure for compatible hardware
     3.	Jetson RealSense Camera D457
     4.  Enable depmod scan for "extra" modules $ `sudo sed -i 's/search updates/search extra updates/g' /etc/depmod.d/ubuntu.conf`
     5.	$ `sudo depmod`
     6.	$ `echo "d4xx" | sudo tee /etc/modules-load.d/d4xx.conf`
 
-6.  Verify bootloader configuration
+7.  Verify bootloader configuration
 
     ```
     cat /boot/extlinux/extlinux.conf
@@ -157,6 +166,7 @@ sudo cp -r ~/extra /lib/modules/$(uname -r)/
 sudo cp -r ~/updates /lib/modules/$(uname -r)/
 sudo cp ~/boot/tegra234-camera-d4xx-overlay.dtbo /boot/
 sudo cp ./boot/dtb/tegra234-p3737-0000+p3701-0000-nv.dtb /boot/tegra234-p3737-0000+p3701-0000-nv.dtb
+sudo cp ./boot/Image /boot/Image
 # Enable d4xx overlay:
 sudo /opt/nvidia/jetson-io/config-by-hardware.py -n 2="Jetson RealSense Camera D457"
 

build_all.sh

@@ -3,11 +3,17 @@
 set -e
 
 if [[ "$1" == "-h" ]]; then
-    echo "build_all.sh [JetPack_version] [JetPack_Linux_source]"
+    echo "build_all.sh [--no-dev-dbg] [JetPack_version] [JetPack_Linux_source]"
     echo "build_all.sh -h"
     exit 1
 fi
 
+DEVDBG=1
+if [[ "$1" == "--no-dev-dbg" ]]; then
+    DEVDBG=0
+    shift
+fi
+
 export DEVDIR=$(cd `dirname $0` && pwd)
 NPROC=$(nproc)
 
@@ -42,7 +48,27 @@ if [[ "$JETPACK_VERSION" == "6.0" ]]; then
     cd $SRCS
     export KERNEL_HEADERS=$SRCS/kernel/kernel-jammy-src
     ln -sf $TEGRA_KERNEL_OUT $SRCS/out
-    make ARCH=arm64 -C kernel
+    if [[ "$DEVDBG" == "1" ]]; then
+        cd $KERNEL_HEADERS
+        # Generate .config file from default defconfig
+        make ARCH=arm64 defconfig
+        # Update the CONFIG_DYNAMIC_DEBUG and CONFIG_DEBUG_CORE flags in .config file
+        scripts/config --enable DYNAMIC_DEBUG
+        scripts/config --enable DYNAMIC_DEBUG_CORE
+        # Convert the .config file into defconfig 
+        make ARCH=arm64 savedefconfig
+        # Save the new generated file as custom_defconfig
+        cp defconfig ./arch/arm64/configs/custom_defconfig
+        # Remove unwanted
+        rm defconfig .config
+        make ARCH=arm64 mrproper
+        cd $SRCS
+        # Building the Image with custom_defconfig
+        make ARCH=arm64 KERNEL_DEF_CONFIG=custom_defconfig -C kernel
+    else
+        # Building the Image with default defconfig
+        make ARCH=arm64 -C kernel
+    fi
     make ARCH=arm64 modules
     make ARCH=arm64 dtbs
     mkdir -p $TEGRA_KERNEL_OUT/rootfs/boot/dtb
@@ -69,6 +95,9 @@ else
 #jp4/5
     cd $SRCS/$KERNEL_DIR
     make ARCH=arm64 O=$TEGRA_KERNEL_OUT tegra_defconfig
+    if [[ "$DEVDBG" == "1" ]]; then
+        scripts/config --file $TEGRA_KERNEL_OUT/.config --enable DYNAMIC_DEBUG
+    fi
     make ARCH=arm64 O=$TEGRA_KERNEL_OUT -j${NPROC}
     make ARCH=arm64 O=$TEGRA_KERNEL_OUT modules_install INSTALL_MOD_PATH=$KERNEL_MODULES_OUT
 fi