Initial population

Content imported from the old test distro, with the
following modifications:

* Removed most custom configuration files
* All open-source layers fully included under layers/
* Secureboot support removed
* Layout reworked to eliminate extra subdirectory for
  core layer
* Added meta-tegra-support layer for holding common
  metadata for use by all distro layers
* Reworked setup-env script to be usable for multiple
  distros sharing the repository
* Added demo image recipes and packagegroups

Signed-off-by: Matt Madison <matt@madison.systems>

.gitmodules

@@ -0,0 +1,24 @@
+[submodule "poky"]
+	path = repos/poky
+	url = git://git.yoctoproject.org/poky
+	branch = master
+[submodule "repos/meta-openembedded"]
+	path = repos/meta-openembedded
+	url = git://git.openembedded.org/meta-openembedded
+	branch = master
+[submodule "repos/meta-virtualization"]
+	path = repos/meta-virtualization
+	url = git://git.yoctoproject.org/meta-virtualization
+	branch = master
+[submodule "repos/meta-mender"]
+	path = repos/meta-mender
+	url = https://github.com/mendersoftware/meta-mender.git
+	branch = dunfell
+[submodule "repos/meta-mender-community"]
+	path = repos/meta-mender-community
+	url = https://github.com/mendersoftware/meta-mender-community.git
+	branch = dunfell
+[submodule "repos/meta-tegra"]
+	path = repos/meta-tegra
+	url = https://github.com/OE4T/meta-tegra.git
+	branch = master

README.md

@@ -1,5 +1,59 @@
 # tegra-demo-distro
 
-
 Reference/demo distribution for NVIDIA Jetson platforms
 using Yocto Project tools and the meta-tegra BSP layer.
+
+## Prerequisites
+
+See the [Yocto Project Quick Build](https://www.yoctoproject.org/docs/3.1.2/brief-yoctoprojectqs/brief-yoctoprojectqs.html)
+documentation for information on setting up your build host.
+In addition to the packages mentioned in that documentation, you
+will need gcc and g++ 8 (on Ubuntu, packages `gcc-8` and `g++-8`).
+
+For burning SDcards (for the Jetson Nano or Jetson Xavier NX developer
+kits), the `bmap-tools` package is recommended.
+
+For building CUDA applications, you must download the CUDA host-side
+tools using the NVIDIA SDK Manager (NVIDIA Developer Network login
+required). You should set the environment variable NVIDIA_DEVNET_MIRROR
+to the path of the directory where the `.deb` file for the tools
+package is located.
+
+## Setting up
+
+1. Clone this repository:
+
+        $ git clone https://github.com/OE4T/tegra-demo-distro.git
+
+2. Initialize the git submodules:
+
+        $ cd tegra-demo-distro
+		$ git submodule update --init
+
+3. Source the `setup-env` script to create a build directory,
+   specifying the MACHINE you want to configure as the default
+   for your builds. For example, to set up a build directory
+   called `build` that is set up for the Jetson Xavier NX
+   developer kit and the default `tegrademo` distro:
+
+        $ . ./setup-env --machine jetson-xavier-nx-devkit
+
+   You can get a complete list of available options, MACHINE
+   names, and DISTRO names with
+
+        $ . ./setup-env --help
+
+## Images
+
+The `tegrademo` distro includes the following image recipes, which
+are dervied from the `core-image-XXX` recipes in OE-Core but configured
+for Jetson platforms. They include some additional test tools and
+demo applications.
+
+| Recipe name       | Description                                                   |
+| ----------------- | ------------------------------------------------------------- |
+| demo-image-base   | Basic image with no graphics                                  |
+| demo-image-egl    | Base with DRM/EGL graphics, no window manager                 |
+| demo-image-sato   | X11 image with Sato UI                                        |
+| demo-image-weston | Wayland with Weston compositor                                |
+| demo-image-full   | Sato image plus nvidia-docker, openCV, multimedia API samples |

layers/.templateconf

@@ -0,0 +1,2 @@
+# This file is required by oe-setup-buildenv script
+# but not used in this repository - see ../setup-env

layers/bitbake

@@ -0,0 +1 @@
+../repos/poky/bitbake

layers/meta

@@ -0,0 +1 @@
+../repos/poky/meta

layers/meta-filesystems

@@ -0,0 +1 @@
+../repos/meta-openembedded/meta-filesystems

layers/meta-mender-core

@@ -0,0 +1 @@
+../repos/meta-mender/meta-mender-core

layers/meta-mender-tegra

@@ -0,0 +1 @@
+../repos/meta-mender-community/meta-mender-tegra

layers/meta-networking

@@ -0,0 +1 @@
+../repos/meta-openembedded/meta-networking

layers/meta-oe

@@ -0,0 +1 @@
+../repos/meta-openembedded/meta-oe

layers/meta-python

@@ -0,0 +1 @@
+../repos/meta-openembedded/meta-python

layers/meta-tegra

@@ -0,0 +1 @@
+../repos/meta-tegra

layers/meta-tegra-support/classes/tegrademo-sanity.bbclass

@@ -0,0 +1,34 @@
+TD_BBLAYERS_CONF_VERSION ??= "unset-0"
+
+
+python tegra_distro_update_bblayersconf() {
+    current_version = d.getVar('TD_BBLAYERS_CONF_VERSION').split('-')
+
+    required_version = (d.getVar('REQUIRED_TD_BBLAYERS_CONF_VERSION') or 'UNKNOWN-0').split('-')
+    if required_version[0] == "UNKNOWN":
+        # malformed configuration
+        raise NotImplementedError("You need to update bblayers.conf manually for this version transition")
+
+    if current_version[0] == required_version[0] and int(current_version[1]) == int(required_version[1]):
+        return
+
+    distro_layerdir = d.getVar('TD_DISTRO_LAYERDIR')
+    if not distro_layerdir:
+        raise NotImplementedError("TD_DISTRO_LAYERDIR must be set to locate the bblayers template config")
+
+    root = d.getVar("COREBASE")
+
+    # On any mismatch, just use the template
+    newconf = sanity_conf_read(os.path.join(distro_layerdir, 'conf',
+                                            'template-{}'.format(d.getVar('DISTRO')),
+                                            'bblayers.conf.sample'))
+    with open(bblayers_conf_file(d), "w") as f:
+        f.write(''.join([line.replace('##OEROOT##', root).replace('##COREBASE##', root) for line in newconf]))
+    bb.note("Your conf/bblayers.conf has been automatically updated.")
+    return
+
+}
+
+BBLAYERS_CONF_UPDATE_FUNCS += " \
+    conf/bblayers.conf:TD_BBLAYERS_CONF_VERSION:REQUIRED_TD_BBLAYERS_CONF_VERSION:tegra_distro_update_bblayersconf \
+"

layers/meta-tegra-support/conf/layer.conf

@@ -0,0 +1,9 @@
+BBPATH =. "${LAYERDIR}:"
+BBFILES += "${LAYERDIR}/recipes-*/*/*.bb ${LAYERDIR}/recipes-*/*/*.bbappend"
+
+BBFILE_COLLECTIONS += "tegrasupport"
+BBFILE_PATTERN_tegrasupport = "^${LAYERDIR}/"
+BBFILE_PRIORITY_tegrasupport = "40"
+
+LAYERVERSION_tegrasupport = "4"
+LAYERSERIES_COMPAT_tegrasupport = "gatesgarth"

layers/meta-tegra-support/recipes-connectivity/openssh/openssh_%.bbappend

@@ -0,0 +1,2 @@
+RRECOMMENDS_${PN}-sshd_remove_tegra = "rng-tools"
+RRECOMMENDS_${PN}-sshd_append_tegra = " haveged"

layers/meta-tegra-support/recipes-filesystems/sshfs-fuse/sshfs-fuse_%.bbappend

@@ -0,0 +1 @@
+PTEST_ENABLED = "0"

layers/meta-tegra-support/recipes-multimedia/argus/tegra-mmapi-samples-32.4.3/cross-build-fixups.patch

@@ -0,0 +1,127 @@
+Index: jetson_multimedia_api/samples/Rules.mk
+===================================================================
+--- jetson_multimedia_api.orig/samples/Rules.mk
++++ jetson_multimedia_api/samples/Rules.mk
+@@ -28,10 +28,6 @@
+ #
+ ###############################################################################
+ 
+-# Clear the flags from env
+-CPPFLAGS :=
+-LDFLAGS :=
+-
+ # Verbose flag
+ ifeq ($(VERBOSE), 1)
+ AT =
+@@ -39,11 +35,6 @@ else
+ AT = @
+ endif
+ 
+-# ARM ABI of the target platform
+-ifeq ($(TEGRA_ARMABI),)
+-TEGRA_ARMABI ?= aarch64-linux-gnu
+-endif
+-
+ # Location of the target rootfs
+ ifeq ($(shell uname -m), aarch64)
+ TARGET_ROOTFS :=
+@@ -62,49 +53,16 @@ CLASS_DIR 	:= $(TOP_DIR)/samples/common/
+ ALGO_CUDA_DIR 	:= $(TOP_DIR)/samples/common/algorithm/cuda
+ ALGO_TRT_DIR 	:= $(TOP_DIR)/samples/common/algorithm/trt
+ 
+-ifeq ($(shell uname -m), aarch64)
+-CROSS_COMPILE :=
+-else
+-CROSS_COMPILE ?= aarch64-unknown-linux-gnu-
+-endif
+-AS             = $(AT) $(CROSS_COMPILE)as
+-LD             = $(AT) $(CROSS_COMPILE)ld
+-CC             = $(AT) $(CROSS_COMPILE)gcc
+-CPP            = $(AT) $(CROSS_COMPILE)g++
+-AR             = $(AT) $(CROSS_COMPILE)ar
+-NM             = $(AT) $(CROSS_COMPILE)nm
+-STRIP          = $(AT) $(CROSS_COMPILE)strip
+-OBJCOPY        = $(AT) $(CROSS_COMPILE)objcopy
+-OBJDUMP        = $(AT) $(CROSS_COMPILE)objdump
+-NVCC           = $(AT) $(CUDA_PATH)/bin/nvcc -ccbin $(filter-out $(AT), $(CPP))
+-
+-# Specify the logical root directory for headers and libraries.
+-ifneq ($(TARGET_ROOTFS),)
+-CPPFLAGS += --sysroot=$(TARGET_ROOTFS)
+-LDFLAGS += \
+-	-Wl,-rpath-link=$(TARGET_ROOTFS)/lib/$(TEGRA_ARMABI) \
+-	-Wl,-rpath-link=$(TARGET_ROOTFS)/usr/lib/$(TEGRA_ARMABI) \
+-	-Wl,-rpath-link=$(TARGET_ROOTFS)/usr/lib/$(TEGRA_ARMABI)/tegra \
+-	-Wl,-rpath-link=$(TARGET_ROOTFS)/$(CUDA_PATH)/lib64
+-endif
+-
+ # All common header files
+ CPPFLAGS += -std=c++11 \
+ 	-I"$(TOP_DIR)/include" \
+ 	-I"$(TOP_DIR)/include/libjpeg-8b" \
+ 	-I"$(ALGO_CUDA_DIR)" \
+-	-I"$(ALGO_TRT_DIR)" \
+-	-I"$(TARGET_ROOTFS)/$(CUDA_PATH)/include" \
+-	-I"$(TARGET_ROOTFS)/usr/include/$(TEGRA_ARMABI)" \
+-	-I"$(TARGET_ROOTFS)/usr/include/libdrm" \
+-	-I"$(TARGET_ROOTFS)/usr/include/opencv4"
++	-I"$(ALGO_TRT_DIR)"
+ 
+ # All common dependent libraries
+ LDFLAGS += \
+ 	-lpthread -lv4l2 -lEGL -lGLESv2 -lX11 \
+ 	-lnvbuf_utils -lnvjpeg -lnvosd -ldrm \
+ 	-lcuda -lcudart \
+-	-lnvinfer -lnvparsers \
+-	-L"$(TARGET_ROOTFS)/$(CUDA_PATH)/lib64" \
+-	-L"$(TARGET_ROOTFS)/usr/lib/$(TEGRA_ARMABI)" \
+-	-L"$(TARGET_ROOTFS)/usr/lib/$(TEGRA_ARMABI)/tegra"
++	-lnvinfer -lnvparsers
+Index: jetson_multimedia_api/samples/v4l2cuda/Makefile
+===================================================================
+--- jetson_multimedia_api.orig/samples/v4l2cuda/Makefile
++++ jetson_multimedia_api/samples/v4l2cuda/Makefile
+@@ -26,14 +26,8 @@ SRCS := \
+ 	capture.cpp \
+ 	yuv2rgb.cu
+ 
+-ALL_CPPFLAGS := $(addprefix -Xcompiler ,$(filter-out -std=c++11, $(CPPFLAGS)))
+-
+-# CUDA code generation flags
+-GENCODE_SM53 := -gencode arch=compute_53,code=sm_53
+-GENCODE_SM62 := -gencode arch=compute_62,code=sm_62
+-GENCODE_SM72 := -gencode arch=compute_72,code=sm_72
+-GENCODE_SM_PTX := -gencode arch=compute_72,code=compute_72
+-GENCODE_FLAGS := $(GENCODE_SM53) $(GENCODE_SM62) $(GENCODE_SM72) $(GENCODE_SM_PTX)
++ALL_CPPFLAGS := $(NVCCFLAGS)
++ALL_CPPFLAGS += $(addprefix -Xcompiler ,$(filter-out -std=c++11, $(CPPFLAGS)))
+ 
+ all: $(APP)
+ 
+@@ -47,7 +41,7 @@ yuv2rgb.o: yuv2rgb.cu
+ 
+ $(APP): capture.o yuv2rgb.o
+ 	@echo "Linking: $@"
+-	$(CPP) -o $@ $^ $(CPPFLAGS) $(LDFLAGS)
++	$(CPP) -o $@ $^ $(CPPFLAGS) $(LDFLAGS) $(NVLDFLAGS)
+ 
+ clean:
+ 	$(AT) rm -f *.o $(APP)
+Index: jetson_multimedia_api/samples/common/algorithm/cuda/Makefile
+===================================================================
+--- jetson_multimedia_api.orig/samples/common/algorithm/cuda/Makefile
++++ jetson_multimedia_api/samples/common/algorithm/cuda/Makefile
+@@ -43,13 +43,6 @@ endif
+ ALL_CPPFLAGS := $(NVCCFLAGS)
+ ALL_CPPFLAGS += $(addprefix -Xcompiler ,$(filter-out -std=c++11, $(CPPFLAGS)))
+ 
+-# CUDA code generation flags
+-GENCODE_SM53 := -gencode arch=compute_53,code=sm_53
+-GENCODE_SM62 := -gencode arch=compute_62,code=sm_62
+-GENCODE_SM72 := -gencode arch=compute_72,code=sm_72
+-GENCODE_SM_PTX := -gencode arch=compute_72,code=compute_72
+-GENCODE_FLAGS := $(GENCODE_SM53) $(GENCODE_SM62) $(GENCODE_SM72) $(GENCODE_SM_PTX)
+-
+ # Target rules
+ all: NvAnalysis.o NvCudaProc.o
+ 

layers/meta-tegra-support/recipes-multimedia/argus/tegra-mmapi-samples-32.4.3/fix-tools-makefile.patch

@@ -0,0 +1,31 @@
+Index: tegra_multimedia_api/tools/ConvertCaffeToTrtModel/Makefile
+===================================================================
+--- tegra_multimedia_api.orig/tools/ConvertCaffeToTrtModel/Makefile
++++ tegra_multimedia_api/tools/ConvertCaffeToTrtModel/Makefile
+@@ -28,16 +28,8 @@
+ #
+ ###############################################################################
+ 
+-CC = aarch64-linux-gnu-g++
+-
+-INCPATHS = -I/usr/include/aarch64-linux-gnu/
+-CFLAGS = -Wall -std=c++11 $(INCPATHS)
+-
+-CFLAGS += -D ENABLE_TRT
+-
+-LIBPATHS = -L/usr/lib/aarch64-linux-gnu/
++CXXFLAGS += -Wall -std=c++11 -DENABLE_TRT
+ LIBS = -lnvinfer -lnvcaffe_parser
+-LFLAGS = $(LIBPATHS) -Wl,--start-group $(LIBS) -Wl,--end-group
+ 
+ SRCFILES = ConvertCaffeToTrtModel_main.cpp
+ OUTNAME = ConvertCaffeToTrtModel
+@@ -45,7 +37,7 @@ OUTNAME = ConvertCaffeToTrtModel
+ all: $(OUTNAME)
+ 
+ $(OUTNAME) : $(SRCFILES)
+-	$(CC) -o $@ $^ $(CFLAGS) $(LFLAGS)
++	$(CXX) -o $@ $^ $(CXXFLAGS) -Wl,--start-group $(LIBS) -Wl,--end-group $(LDFLAGS)
+ 
+ clean:
+ 	rm -rf $(OUTNAME)

layers/meta-tegra-support/recipes-multimedia/argus/tegra-mmapi-samples-32.4.3/jpeg-fixups.patch

@@ -0,0 +1,26 @@
+Index: tegra_multimedia_api/include/NvJpegDecoder.h
+===================================================================
+--- tegra_multimedia_api.orig/include/NvJpegDecoder.h
++++ tegra_multimedia_api/include/NvJpegDecoder.h
+@@ -56,7 +56,7 @@
+ #endif
+ 
+ #include <stdio.h>
+-#include "jpeglib.h"
++#include "libjpeg-8b/jpeglib.h"
+ #include "NvElement.h"
+ #include "NvBuffer.h"
+ 
+Index: tegra_multimedia_api/include/NvJpegEncoder.h
+===================================================================
+--- tegra_multimedia_api.orig/include/NvJpegEncoder.h
++++ tegra_multimedia_api/include/NvJpegEncoder.h
+@@ -57,7 +57,7 @@
+ #endif
+ 
+ #include <stdio.h>
+-#include "jpeglib.h"
++#include "libjpeg-8b/jpeglib.h"
+ #include "NvElement.h"
+ #include "NvBuffer.h"
+ 

layers/meta-tegra-support/recipes-multimedia/argus/tegra-mmapi-samples-32.4.3/make-x11-conditional.patch

@@ -0,0 +1,142 @@
+Index: tegra_multimedia_api/argus/samples/utils/CMakeLists.txt
+===================================================================
+--- tegra_multimedia_api.orig/argus/samples/utils/CMakeLists.txt
++++ tegra_multimedia_api/argus/samples/utils/CMakeLists.txt
+@@ -33,11 +33,15 @@ set(CMAKE_MODULE_PATH "${CMAKE_SOURCE_DI
+ find_package(Argus REQUIRED)
+ find_package(OpenGLES REQUIRED)
+ find_package(EGL REQUIRED)
+-find_package(X11 REQUIRED)
++if(WITH_X11)
++    find_package(X11 REQUIRED)
++endif(WITH_X11)
+ find_package(CUDA)
+ 
+ find_package(PkgConfig REQUIRED)
+-pkg_check_modules(GTK3 REQUIRED gtk+-3.0)
++if(WITH_X11)
++    pkg_check_modules(GTK3 REQUIRED gtk+-3.0)
++endif(WITH_X11)
+ 
+ set(SOURCES
+     EGLGlobal.cpp
+@@ -47,10 +51,19 @@ set(SOURCES
+     PreviewConsumer.cpp
+     Thread.cpp
+     WindowBase.cpp
+-    gtk/GuiElement.cpp
+-    gtk/Window.cpp
+     )
+ 
++if(WITH_X11)
++    set(SOURCES
++        ${SOURCES}
++        gtk/GuiElement.cpp
++        gtk/Window.cpp
++       )
++else(WITH_X11)
++    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DNOWINDOWS")
++    set(SOURCES ${SOURCES} WindowNoGui.cpp)
++endif(WITH_X11)
++
+ if(CUDA_FOUND)
+     set(SOURCES
+         ${SOURCES}
+Index: tegra_multimedia_api/argus/samples/utils/EGLGlobal.cpp
+===================================================================
+--- tegra_multimedia_api.orig/argus/samples/utils/EGLGlobal.cpp
++++ tegra_multimedia_api/argus/samples/utils/EGLGlobal.cpp
+@@ -136,6 +136,7 @@ bool EGLDisplayHolder::initialize(EGLNat
+ 
+ bool EGLDisplayHolder::cleanup()
+ {
++#ifndef NOWINDOWS
+     if (m_display != EGL_NO_DISPLAY)
+     {
+         // inform the window that the display is gone
+@@ -146,7 +147,7 @@ bool EGLDisplayHolder::cleanup()
+             REPORT_ERROR("eglTerminate failed (error 0x%04x)", eglGetError());
+         m_display = EGL_NO_DISPLAY;
+     }
+-
++#endif
+     return true;
+ }
+ 
+Index: tegra_multimedia_api/argus/samples/utils/Window.h
+===================================================================
+--- tegra_multimedia_api.orig/argus/samples/utils/Window.h
++++ tegra_multimedia_api/argus/samples/utils/Window.h
+@@ -30,6 +30,35 @@
+ #include "android/Window.h"
+ #elif defined(SAMPLE_USE_GLX)
+ #include "glx/Window.h"
++#elif defined(NOWINDOWS)
++#include "WindowBase.h"
++#ifndef WINDOW_H_NOWINDOWS__
++#define WINDOW_H_NOWINDOWS__
++#define WINDOW_GUI_SUPPORT WINDOW_GUI_NONE
++namespace ArgusSamples
++{
++    class Window : public WindowBase
++    {
++    public:
++	    static Window &getInstance();
++	    virtual bool shutdown() { return true; }
++	    virtual bool pollEvents() {return true; }
++	    virtual bool eventLoop() {return true; }
++	    virtual bool requestExit() {return true; }
++	    virtual EGLNativeDisplayType getEGLNativeDisplay() const {return NULL;}
++	    virtual EGLNativeWindowType getEGLNativeWindow() const {return 0;}
++	    virtual uint32_t getWidth() const {return 0;}
++	    virtual uint32_t getHeight() const {return 0;}
++	    virtual bool setWindowRect(uint32_t x, uint32_t y, uint32_t w, uint32_t h) {return true;}
++	    virtual bool setWindowGui(IGuiContainer *iGuiContainer = NULL,
++				      IGuiElement *iGuiElementWindow = NULL, IGuiElement *iGuiElementView = NULL) {return true;}
++    private:
++	    Window() {}
++	    virtual ~Window() {}
++	    virtual bool initialize() {return true;}
++    };
++};
++#endif /* WINDOW_H_NOWINDOWS__ */
+ #else
+ #include "gtk/Window.h"
+ #endif
+Index: tegra_multimedia_api/argus/CMakeLists.txt
+===================================================================
+--- tegra_multimedia_api.orig/argus/CMakeLists.txt
++++ tegra_multimedia_api/argus/CMakeLists.txt
+@@ -26,7 +26,9 @@
+ 
+ cmake_minimum_required (VERSION 2.6)
+ 
+-add_subdirectory(apps/camera)
++if(WITH_X11)
++  add_subdirectory(apps/camera)
++endif(WITH_X11)
+ add_subdirectory(samples/bayerAverageMap)
+ add_subdirectory(samples/cudaHistogram)
+ add_subdirectory(samples/denoise)
+Index: tegra_multimedia_api/argus/samples/utils/WindowNoGui.cpp
+===================================================================
+--- /dev/null
++++ tegra_multimedia_api/argus/samples/utils/WindowNoGui.cpp
+@@ -0,0 +1,17 @@
++#include "Window.h"
++
++namespace ArgusSamples
++{
++
++/*static*/ Window &Window::getInstance()
++{
++    static Window instance;
++    return instance;
++}
++
++bool Window::IGuiElement::createLabel(const char *labelText, IGuiElement **element)
++{
++    return true;
++}
++
++}; // namespace ArgusSamples

layers/meta-tegra-support/recipes-multimedia/argus/tegra-mmapi-samples-32.4.3/remove-xxd-reference.patch

@@ -0,0 +1,24 @@
+Index: tegra_multimedia_api/argus/apps/camera/ui/camera/CMakeLists.txt
+===================================================================
+--- tegra_multimedia_api.orig/argus/apps/camera/ui/camera/CMakeLists.txt
++++ tegra_multimedia_api/argus/apps/camera/ui/camera/CMakeLists.txt
+@@ -32,8 +32,9 @@ set(GEN_OUTPUT ${CMAKE_CURRENT_BINARY_DI
+ 
+ add_custom_command(
+    OUTPUT ${GEN_OUTPUT}
+-   COMMAND xxd -i < ${GEN_INPUT} > ${GEN_OUTPUT}
++   COMMAND sh ${CMAKE_CURRENT_SOURCE_DIR}/xxd.sh ${GEN_INPUT} ${GEN_OUTPUT}
+    DEPENDS ${GEN_INPUT}
++   VERBATIM
+ )
+ #end generate source
+ 
+Index: tegra_multimedia_api/argus/apps/camera/ui/camera/xxd.sh
+===================================================================
+--- /dev/null
++++ tegra_multimedia_api/argus/apps/camera/ui/camera/xxd.sh
+@@ -0,0 +1,4 @@
++set -x
++od -tx1 -v "$1" | sed -r -e's,^[0-9a-f]+, ,' -e's! ([0-9a-f][0-9a-f])! 0x\1,!g' > "$2"
++truncate --size="-4" "$2"
++set +x

layers/meta-tegra-support/recipes-multimedia/argus/tegra-mmapi-samples-32.4.3/vector-fixup.patch

@@ -0,0 +1,12 @@
+Index: tegra_multimedia_api/tools/ConvertCaffeToTrtModel/ConvertCaffeToTrtModel_main.cpp
+===================================================================
+--- tegra_multimedia_api.orig/tools/ConvertCaffeToTrtModel/ConvertCaffeToTrtModel_main.cpp
++++ tegra_multimedia_api/tools/ConvertCaffeToTrtModel/ConvertCaffeToTrtModel_main.cpp
+@@ -31,6 +31,7 @@
+ #include <iostream>
+ #include <cmath>
+ #include <algorithm>
++#include <vector>
+ #include <sys/stat.h>
+ #include <sys/time.h>
+ #include <time.h>

layers/meta-tegra-support/recipes-multimedia/argus/tegra-mmapi-samples_32.4.3.bb

@@ -0,0 +1,78 @@
+DESCRIPTION = "NVIDIA Tegra Multimedia API headers and examples"
+HOMEPAGE = "http://developer.nvidia.com"
+LICENSE = "Proprietary & BSD"
+
+require recipes-multimedia/argus/tegra-mmapi-${PV}.inc
+
+SRC_URI += " \
+           file://remove-xxd-reference.patch \
+           file://jpeg-fixups.patch \
+           file://cross-build-fixups.patch \
+           file://vector-fixup.patch \
+"
+
+DEPENDS = "libdrm tegra-mmapi virtual/egl virtual/libgles1 virtual/libgles2 jpeg expat gstreamer1.0 glib-2.0 v4l-utils tensorrt cudnn opencv coreutils-native"
+
+LIC_FILES_CHKSUM = "file://LICENSE;md5=2cc00be68c1227a7c42ff3620ef75d05 \
+		    file://argus/LICENSE.TXT;md5=271791ce6ff6f928d44a848145021687"
+
+PACKAGECONFIG ??= "${@bb.utils.contains('DISTRO_FEATURES', 'x11', 'x11', '', d)}"
+PACKAGECONFIG[x11] = "-DWITH_X11=ON,,virtual/libx11 gtk+3"
+
+inherit cmake pkgconfig cuda
+
+B = "${S}"
+
+OECMAKE_SOURCEPATH = "${S}/argus"
+EXTRA_OECMAKE = "-DMULTIPROCESS=ON \
+                 -DCMAKE_INCLUDE_PATH=${S}/include/libjpeg-8b-tegra \
+                 -DJPEG_NAMES=libnvjpeg.so"
+
+do_configure() {
+    rm -f ${S}/include/nvbuf_utils.h
+    #sed -i -e's,\(samples/11\),#\1,' ${S}/Makefile
+    find samples -name 'Makefile' -exec sed -i -e's,^LDFLAGS,NVLDFLAGS,' -e's,\$(LDFLAGS),$(LDFLAGS) $(NVLDFLAGS),' {} \;
+    cd ${OECMAKE_SOURCEPATH}
+    cmake_do_configure
+}
+
+do_compile() {
+    VERBOSE=1 cmake --build '${B}/argus' -- ${EXTRA_OECMAKE_BUILD}
+    export CPP=`echo ${CXX} | sed -e's, .*,,'`
+    CXX_EXTRA=`echo ${CXX} | sed -e's,^[^ ]*,,'`
+    export CUDA_PATH=${STAGING_DIR_NATIVE}/usr/local/cuda-${CUDA_VERSION}
+    PATH=$CUDA_PATH/bin:$PATH
+    export CPPFLAGS="${CXX_EXTRA} ${CXXFLAGS} -I${STAGING_DIR_TARGET}/usr/local/cuda-${CUDA_VERSION}/include"
+    CPPFLAGS="$CPPFLAGS `pkg-config --cflags libdrm`"
+    CPPFLAGS="$CPPFLAGS `pkg-config --cflags opencv4`"
+    export LDFLAGS="-L${STAGING_DIR_TARGET}/usr/local/cuda-${CUDA_VERSION}/lib ${LDFLAGS}"
+    CCBIN=`which $CPP`
+    oe_runmake -j1 all TEGRA_ARMABI=${TARGET_ARCH} TARGET_ROOTFS=${STAGING_DIR_TARGET} NVCC=nvcc NVCCFLAGS="--shared -ccbin=${CCBIN}" GENCODE_FLAGS="${CUDA_NVCC_ARCH_FLAGS}"
+}
+
+do_install() {
+    DESTDIR="${D}" cmake --build '${B}/argus' --target ${OECMAKE_TARGET_INSTALL}
+    install -d ${D}/opt/tegra-mmapi
+    cp -R --preserve=mode,timestamps ${S}/data ${D}/opt/tegra-mmapi/
+    install -d ${D}/opt/tegra-mmapi/bin
+    install -m 0755 ${S}/samples/00_video_decode/video_decode ${D}/opt/tegra-mmapi/bin/
+    install -m 0755 ${S}/samples/01_video_encode/video_encode ${D}/opt/tegra-mmapi/bin/
+    install -m 0755 ${S}/samples/02_video_dec_cuda/video_dec_cuda ${D}/opt/tegra-mmapi/bin/
+    install -m 0755 ${S}/samples/03_video_cuda_enc/video_cuda_enc ${D}/opt/tegra-mmapi/bin/
+    install -m 0755 ${S}/samples/04_video_dec_trt/video_dec_trt ${D}/opt/tegra-mmapi/bin/
+    install -m 0755 ${S}/samples/05_jpeg_encode/jpeg_encode ${D}/opt/tegra-mmapi/bin/
+    install -m 0755 ${S}/samples/06_jpeg_decode/jpeg_decode ${D}/opt/tegra-mmapi/bin/
+    install -m 0755 ${S}/samples/07_video_convert/video_convert ${D}/opt/tegra-mmapi/bin/
+    install -m 0755 ${S}/samples/08_video_dec_drm/video_dec_drm ${D}/opt/tegra-mmapi/bin/
+    install -m 0755 ${S}/samples/09_camera_jpeg_capture/camera_jpeg_capture ${D}/opt/tegra-mmapi/bin/
+    install -m 0755 ${S}/samples/10_camera_recording/camera_recording ${D}/opt/tegra-mmapi/bin/
+    install -m 0755 ${S}/samples/12_camera_v4l2_cuda/camera_v4l2_cuda ${D}/opt/tegra-mmapi/bin/
+    install -m 0755 ${S}/samples/13_multi_camera/multi_camera ${D}/opt/tegra-mmapi/bin/
+    install -m 0755 ${S}/samples/backend/backend ${D}/opt/tegra-mmapi/bin/
+    install -m 0755 ${S}/samples/frontend/frontend ${D}/opt/tegra-mmapi/bin/
+    install -m 0755 ${S}/samples/v4l2cuda/capture-cuda ${D}/opt/tegra-mmapi/bin/
+}
+
+FILES_${PN} += "/opt/tegra-mmapi"
+RDEPENDS_${PN} += "tegra-libraries-libv4l-plugins"
+

layers/meta-tegra-support/recipes-multimedia/gstreamer/gstreamer1.0-plugins-bad_%.bbappend

@@ -0,0 +1 @@
+PACKAGECONFIG_append = " faad"

layers/meta-tegra-support/recipes-support/fuse/fuse3_%.bbappend

@@ -0,0 +1,5 @@
+PTEST_ENABLED = "0"
+
+do_install_append() {
+    sed -i -e's,^#user_allow_other,user_allow_other,' ${D}${sysconfdir}/fuse.conf
+}

layers/meta-tegra-support/recipes-test/eglstreams/eglstreams-kms-example/cross-build.patch

@@ -0,0 +1,38 @@
+Index: git/Makefile
+===================================================================
+--- git.orig/Makefile
++++ git/Makefile
+@@ -33,17 +33,27 @@ OBJECTS = $(SOURCES:.c=.o)
+ 
+ EGLSTREAMS_KMS_EXAMPLE = eglstreams-kms-example
+ 
+-CFLAGS += -Wall -Wextra -g
+-CFLAGS += -I /usr/include/libdrm
++CFLAGS += -Wall -Wextra
++CFLAGS += $(shell pkg-config --cflags egl)
++CFLAGS += $(shell pkg-config --cflags gl)
++CFLAGS += $(shell pkg-config --cflags libdrm)
++
++LDFLAGS += $(shell pkg-config --libs egl)
++LDFLAGS += $(shell pkg-config --libs gl)
++LDFLAGS += $(shell pkg-config --libs libdrm)
+ 
+-# Use a current snapshot of EGL header files from Khronos
+-CFLAGS += -I khronos
++.PHONY: install clean all
++all: $(EGLSTREAMS_KMS_EXAMPLE)
+ 
+ %.o: %.c $(HEADERS)
+-	gcc -c $< -o $@ $(CFLAGS)
++	$(CC) -c $< -o $@ $(CFLAGS)
+ 
+ $(EGLSTREAMS_KMS_EXAMPLE): $(OBJECTS)
+-	gcc -o $@ $(OBJECTS) -lEGL -lOpenGL -ldrm -lm
++	$(CCLD) -o $@ $(OBJECTS) $(LDFLAGS) -lm
++
++install:
++	install -d $(DESTDIR)$(bindir)
++	install -m 0755 $(EGLSTREAMS_KSM_EXAMPLE) $(DESTDIR)$(bindir)/
+ 
+ clean:
+ 	rm -f *.o $(EGLSTREAMS_KMS_EXAMPLE) *~

layers/meta-tegra-support/recipes-test/eglstreams/eglstreams-kms-example_git.bb

@@ -0,0 +1,23 @@
+DESCRIPTION = "Simple example program demonstrating the use of EGLStreams with DRM KMS."
+HOMEPAGE = "https://github.com/aritger"
+LICENSE = "MIT"
+LIC_FILES_CHKSUM = "file://COPYING;md5=2c4ffb74754562207b887a66a37aad6c"
+
+DEPENDS = "libdrm virtual/egl"
+
+SRC_REPO ?= "github.com/madisongh/eglstreams-kms-example"
+SRCBRANCH ?= "master"
+SRC_URI = "git://${SRC_REPO};branch=${SRCBRANCH}"
+SRCREV = "${AUTOREV}"
+PV = "1.0+git${SRCPV}"
+
+COMPATIBLE_MACHINE = "(tegra)"
+PACKAGE_ARCH_tegra = "${TEGRA_PKGARCH}"
+
+S = "${WORKDIR}/git"
+
+inherit pkgconfig
+
+do_install() {
+    oe_runmake install DESTDIR="${D}"
+}

layers/meta-tegra-support/recipes-test/tegra-tests/gstreamer-tests/capturetest.sh.in

@@ -0,0 +1,16 @@
+#!/bin/sh
+
+. @DATADIR@/gstreamer-tests/confvars
+
+if [ ! -e /dev/video0 ]; then
+    echo "ERR: no camera found" >&2
+    exit 1
+fi
+
+if readlink -f /sys/class/video4linux/video0 2>/dev/null | grep -q usb; then
+    gst-launch-1.0 v4l2src num-buffers=300 ! 'video/x-raw,format=(string)YUY2,width=640,height=480,framerate=(fraction)30/1' ! \
+		   nvvidconv ! 'video/x-raw(memory:NVMM),format=(string)NV12' $TRANSFORM ! queue ! $VIDEOSINK
+else
+    gst-launch-1.0 nvarguscamerasrc timeout=10 ! 'video/x-raw(memory:NVMM),width=640,height=480,format=(string)NV12,framerate=(fraction)30/1' ! \
+		   nvvidconv ! queue ! $VIDEOSINK
+fi

layers/meta-tegra-support/recipes-test/tegra-tests/gstreamer-tests/confvars.in

@@ -0,0 +1,12 @@
+#!/bin/sh
+if [ -n "$WAYLAND_DISPLAY" ]; then
+    unset DISPLAY
+    VIDEOSINK="nveglglessink winsys=wayland"
+    IMAGESINK="waylandsink"
+    TRANSFORM="! nvegltransform"
+else
+    VIDEOSINK="nv3dsink"
+    IMAGESINK="xvimagesink"
+    TRANSFORM=""
+fi
+AUDIOSINK="autoaudiosink"

layers/meta-tegra-support/recipes-test/tegra-tests/gstreamer-tests/nvjpegtest.sh.in

@@ -0,0 +1,10 @@
+#!/bin/sh
+
+. @DATADIR@/gstreamer-tests/confvars
+
+if gst-launch-1.0 videotestsrc num-buffers=1 ! 'video/x-raw,format=(string)I420,width=640,height=480,framerate=(fraction)30/1' ! \
+		  nvjpegenc ! nvjpegdec ! imagefreeze ! $IMAGESINK & then
+    pid=$!
+    sleep 5
+    kill $pid
+fi

layers/meta-tegra-support/recipes-test/tegra-tests/gstreamer-tests/sinteltest.sh.in

@@ -0,0 +1,5 @@
+#!/bin/sh
+
+. @DATADIR@/gstreamer-tests/confvars
+
+gst-play-1.0 --audiosink="$AUDIOSINK" --videosink="$VIDEOSINK" @DATADIR@/gstreamer-tests/sintel_trailer-1080p.mp4

layers/meta-tegra-support/recipes-test/tegra-tests/gstreamer-tests_1.0.bb

@@ -0,0 +1,40 @@
+DESCRIPTION = "Scripts for testing gstreamer playback and capture"
+LICENSE = "MIT"
+LIC_FILES_CHKSUM = "file://${COREBASE}/meta/COPYING.MIT;md5=3da9cfbcb788c80a0384361b4de20420"
+
+SRC_URI = "\
+	https://peach.themazzone.com/durian/trailer/sintel_trailer-1080p.mp4 \
+	file://sinteltest.sh.in \
+	file://capturetest.sh.in \
+	file://nvjpegtest.sh.in \
+	file://confvars.in \
+"
+# The above mirror is more reachable than download.blender.org
+SRC_URI[md5sum] = "bfd19c4e7ad04c72bfb327cf7e6b9576"
+SRC_URI[sha256sum] = "34bbd52a4b89fdf63c8ace50b268da26653a59508288100cd3c23de276db7931"
+
+S = "${WORKDIR}"
+B = "${WORKDIR}/build"
+
+do_compile() {
+    for f in sinteltest.sh capturetest.sh nvjpegtest.sh confvars; do
+	sed -e's,@DATADIR@,${datadir},g' \
+	    ${S}/${f}.in > ${B}/${f}
+    done
+}
+
+do_install() {
+    install -d ${D}${bindir}
+    install -m 0755 ${B}/sinteltest.sh ${D}${bindir}/sinteltest
+    install -m 0755 ${B}/capturetest.sh ${D}${bindir}/capturetest
+    install -m 0755 ${B}/nvjpegtest.sh ${D}${bindir}/nvjpegtest
+    install -d ${D}${datadir}/gstreamer-tests
+    install -m 0644 ${B}/confvars ${D}${datadir}/gstreamer-tests/confvars
+    install -m 0644 ${S}/sintel_trailer-1080p.mp4 ${D}${datadir}/gstreamer-tests
+}
+
+PACKAGE_ARCH = "${MACHINE_ARCH}"
+RDEPENDS_${PN} = "gst-player gstreamer1.0 gstreamer1.0-plugins-nveglgles gstreamer1.0-plugins-base-videotestsrc \
+                  gstreamer1.0-plugins-nvvideo4linux2 gstreamer1.0-plugins-nvvideosinks gstreamer1.0-plugins-nvjpeg \
+                  gstreamer1.0-plugins-tegra gstreamer1.0-plugins-good-imagefreeze gstreamer1.0-plugins-bad-waylandsink \
+                  gstreamer1.0-plugins-good-video4linux2"

layers/meta-tegrademo/.templateconf

@@ -0,0 +1 @@
+TEMPLATECONF=${TEMPLATECONF:-meta-tegrademo/conf/template-$DISTRO}

layers/meta-tegrademo/conf/distro/tegrademo.conf

@@ -0,0 +1,83 @@
+DISTRO = "tegrademo"
+DISTRO_NAME = "OE4Tegra Demonstration Distro"
+DISTRO_VERSION = "3.1+snapshot-${DATE}"
+DISTRO_CODENAME = "master"
+SDK_VENDOR = "-tdsdk"
+SDK_VERSION := "${@'${DISTRO_VERSION}'.replace('snapshot-${DATE}','snapshot')}"
+
+MAINTAINER = "OE4Tegra team <oe4tegra@madison.systems>"
+
+TARGET_VENDOR = "-oe4t"
+
+# New ${DISTRO}-<version> setting for sanity checks.
+# Increment version number (and the corresponding
+# setting int the template bblayers.conf.sample file)
+# each time the layer settings are changed.
+REQUIRED_TD_BBLAYERS_CONF_VERSION = "${DISTRO}-2"
+
+LOCALCONF_VERSION = "1"
+
+DISTRO_VERSION[vardepsexclude] = "DATE"
+SDK_VERSION[vardepsexclude] = "DATE"
+
+TD_DEFAULT_DISTRO_FEATURES = "largefile opengl ptest multiarch wayland vulkan systemd pam virtualization"
+
+DISTRO_FEATURES ?= "${DISTRO_FEATURES_DEFAULT} ${TD_DEFAULT_DISTRO_FEATURES}"
+
+# Jetson platforms do not use linux-yocto, but for QEMU testing
+# align with the poky distro.
+PREFERRED_VERSION_linux-yocto ?= "5.8%"
+PREFERRED_VERSION_linux-yocto-rt ?= "5.4%"
+
+# Gstreamer libraries are passed through to containers when using
+# nvidia-docker, so our version of Gstreamer must match the one in
+# the stock L4T/JetPack release.
+require conf/include/gstreamer-1.14.conf
+
+SDK_NAME = "${DISTRO}-${TCLIBC}-${SDKMACHINE}-${IMAGE_BASENAME}-${TUNE_PKGARCH}-${MACHINE}"
+SDKPATH = "/opt/${DISTRO}/${SDK_VERSION}"
+
+TCLIBCAPPEND = ""
+
+PREMIRRORS ??= "\
+bzr://.*/.*   http://downloads.yoctoproject.org/mirror/sources/ \n \
+cvs://.*/.*   http://downloads.yoctoproject.org/mirror/sources/ \n \
+git://.*/.*   http://downloads.yoctoproject.org/mirror/sources/ \n \
+gitsm://.*/.* http://downloads.yoctoproject.org/mirror/sources/ \n \
+hg://.*/.*    http://downloads.yoctoproject.org/mirror/sources/ \n \
+osc://.*/.*   http://downloads.yoctoproject.org/mirror/sources/ \n \
+p4://.*/.*    http://downloads.yoctoproject.org/mirror/sources/ \n \
+svn://.*/.*   http://downloads.yoctoproject.org/mirror/sources/ \n"
+
+SANITY_TESTED_DISTROS ?= " \
+            ubuntu-18.04 \n \
+            ubuntu-20.04 \n \
+            "
+
+# CUDA 10.2 requires gcc 7 or 8
+GCCVERSION_aarch64 = "8.%"
+SDKGCCVERSION = "10.%"
+
+# Most NVIDIA-supplied services expect systemd
+INIT_MANAGER = "systemd"
+
+INHERIT += "tegrademo-sanity"
+#
+# OELAYOUT_ABI allows us to notify users when the format of TMPDIR changes in
+# an incompatible way. Such changes should usually be detailed in the commit
+# that breaks the format and have been previously discussed on the mailing list
+# with general agreement from the core team.
+#
+OELAYOUT_ABI = "12"
+
+require conf/distro/include/no-static-libs.inc
+require conf/distro/include/yocto-uninative.inc
+require conf/distro/include/security_flags.inc
+INHERIT += "uninative"
+
+INHERIT += "reproducible_build"
+
+BB_SIGNATURE_HANDLER ?= "OEEquivHash"
+BB_HASHSERVE ??= "auto"
+
+LICENSE_FLAGS_WHITELIST += "commercial_faad2"

layers/meta-tegrademo/conf/layer.conf

@@ -0,0 +1,14 @@
+BBPATH =. "${LAYERDIR}:"
+BBFILES += "${LAYERDIR}/recipes-*/*/*.bb ${LAYERDIR}/recipes-*/*/*.bbappend"
+
+BBFILE_COLLECTIONS += "tegrademo"
+BBFILE_PATTERN_tegrademo = "^${LAYERDIR}/"
+BBFILE_PRIORITY_tegrademo = "50"
+
+LAYERVERSION_tegrademo = "4"
+LAYERSERIES_COMPAT_tegrademo = "gatesgarth"
+
+# This is used by the tegra-distro-sanity bbclass
+# to identify the distro layer directory during
+# bblayers checks.
+TD_DISTRO_LAYERDIR = "${LAYERDIR}"

layers/meta-tegrademo/conf/template-tegrademo/bblayers.conf.sample

@@ -0,0 +1,20 @@
+# Version of layers configuration, specific to
+# each defined distro in the repository.
+# Format: ${DISTRO}-<version>
+TD_BBLAYERS_CONF_VERSION = "tegrademo-2"
+
+BBPATH = "${TOPDIR}"
+BBFILES ?= ""
+
+BBLAYERS ?= " \
+  ##OEROOT##/meta \
+  ##OEROOT##/meta-tegra \
+  ##OEROOT##/meta-tegra/contrib \
+  ##OEROOT##/meta-oe \
+  ##OEROOT##/meta-python \
+  ##OEROOT##/meta-networking \
+  ##OEROOT##/meta-filesystems \
+  ##OEROOT##/meta-virtualization \
+  ##OEROOT##/meta-tegra-support \
+  ##OEROOT##/meta-tegrademo \
+  "

layers/meta-tegrademo/conf/template-tegrademo/conf-notes.txt

@@ -0,0 +1,10 @@
+### Shell environment set up for builds. ###
+
+You can now run 'bitbake <target>'
+Targets for building Tegra demo images with test applications:
+    core-image-minimal  - minimally bootable image (no demo apps, no graphics)
+    demo-image-base     - basic image with no graphics
+    demo-image-egl      - basic image with DRM/EGL, no window manager
+    demo-image-sato     - X11 image with 'sato' UI
+    demo-image-weston   - Wayland with Weston compositor
+    demo-image-full     - X11/sato UI plus docker, openCV, multimedia API samples

layers/meta-tegrademo/conf/template-tegrademo/local.conf.sample

@@ -0,0 +1,270 @@
+## This file is your local configuration file and is where all local user settings
+# are placed. The comments in this file give some guide to the options a new user
+# to the system might want to change but pretty much any configuration option can
+# be set in this file.
+
+#
+# Machine Selection
+#
+# You need to select a specific machine to target the build with.
+# The following machines are avilable in the meta-tegra layer:
+#
+#MACHINE ?= "jetson-nano-emmc"
+#MACHINE ?= "jetson-nano-qspi-sd"
+#MACHINE ?= "jetson-tx1"
+#MACHINE ?= "jetson-tx2-4gb"
+#MACHINE ?= "jetson-tx2"
+#MACHINE ?= "jetson-tx2i"
+#MACHINE ?= "jetson-xavier-8gb"
+#MACHINE ?= "jetson-xavier"
+#MACHINE ?= "jetson-xavier-nx-devkit"
+#MACHINE ?= "jetson-xavier-nx-devkit-emmc"
+#@TD_SETUP_MACHINE@ - placeholder for automatic insertion by setup-env
+#
+# This sets the default machine to be qemux86-64 if no other machine is selected:
+MACHINE ??= "qemux86-64"
+
+# Where to find NVIDIA binary packages
+#
+# The CUDA host-side tools are only available through a URL that requires
+# authentication with an NVIDIA Developer Network login, and so cannot be
+# fetched directly by Bitbake. The NVIDIA_DEVNET MIRROR variable should
+# be set to an accessible URL where you have downloaded the tools using
+# the NVIDIA SDK Manager.
+#@TD_SETUP_DEVNET_MIRROR@ - placeholder for automatic insertion by setup-env
+#NVIDIA_DEVNET_MIRROR ?= "${HOME}/Downloads/nvidia/sdkm_downloads"
+
+#
+# Where to place downloads
+#
+# During a first build the system will download many different source code tarballs
+# from various upstream projects. This can take a while, particularly if your network
+# connection is slow. These are all stored in DL_DIR. When wiping and rebuilding you
+# can preserve this directory to speed up this part of subsequent builds. This directory
+# is safe to share between multiple builds on the same machine too.
+#
+# The default is a downloads directory under TOPDIR which is the build directory.
+#
+#DL_DIR ?= "${TOPDIR}/downloads"
+
+#
+# Where to place shared-state files
+#
+# BitBake has the capability to accelerate builds based on previously built output.
+# This is done using "shared state" files which can be thought of as cache objects
+# and this option determines where those files are placed.
+#
+# You can wipe out TMPDIR leaving this directory intact and the build would regenerate
+# from these files if no changes were made to the configuration. If changes were made
+# to the configuration, only shared state files where the state was still valid would
+# be used (done using checksums).
+#
+# The default is a sstate-cache directory under TOPDIR.
+#
+#SSTATE_DIR ?= "${TOPDIR}/sstate-cache"
+
+#
+# Where to place the build output
+#
+# This option specifies where the bulk of the building work should be done and
+# where BitBake should place its temporary files and output. Keep in mind that
+# this includes the extraction and compilation of many applications and the toolchain
+# which can use Gigabytes of hard disk space.
+#
+# The default is a tmp directory under TOPDIR.
+#
+#TMPDIR = "${TOPDIR}/tmp"
+
+#
+# Default policy (distro) config
+#
+#@TD_SETUP_DISTRO@ - placeholder for automatic insertion by setup-env
+# Base distro for meta-tegra
+#DISTRO ?= "tegrademo"
+# Base distro with Mender OTA update support:
+#DISTRO ?= "tegrademo-mender"
+
+#
+# Package Management configuration
+#
+# This variable lists which packaging formats to enable. Multiple package backends
+# can be enabled at once and the first item listed in the variable will be used
+# to generate the root filesystems.
+# Options are:
+#  - 'package_deb' for debian style deb files
+#  - 'package_ipk' for ipk files are used by opkg (a debian style embedded package manager)
+#  - 'package_rpm' for rpm style packages
+# E.g.: PACKAGE_CLASSES ?= "package_rpm package_deb package_ipk"
+# We default to rpm:
+PACKAGE_CLASSES ?= "package_rpm"
+
+#
+# SDK target architecture
+#
+# This variable specifies the architecture to build SDK items for and means
+# you can build the SDK packages for architectures other than the machine you are
+# running the build on (i.e. building i686 packages on an x86_64 host).
+# Only x86_64 is supported for the meta-tegra BSP, since some of the NVIDIA-provided
+# host tools are 64-bit only.
+SDKMACHINE ?= "x86_64"
+
+#
+# Extra image configuration defaults
+#
+# The EXTRA_IMAGE_FEATURES variable allows extra packages to be added to the generated
+# images. Some of these options are added to certain image types automatically. The
+# variable can contain the following options:
+#  "dbg-pkgs"       - add -dbg packages for all installed packages
+#                     (adds symbol information for debugging/profiling)
+#  "src-pkgs"       - add -src packages for all installed packages
+#                     (adds source code for debugging)
+#  "dev-pkgs"       - add -dev packages for all installed packages
+#                     (useful if you want to develop against libs in the image)
+#  "ptest-pkgs"     - add -ptest packages for all ptest-enabled packages
+#                     (useful if you want to run the package test suites)
+#  "tools-sdk"      - add development tools (gcc, make, pkgconfig etc.)
+#  "tools-debug"    - add debugging tools (gdb, strace)
+#  "eclipse-debug"  - add Eclipse remote debugging support
+#  "tools-profile"  - add profiling tools (oprofile, lttng, valgrind)
+#  "tools-testapps" - add useful testing tools (ts_print, aplay, arecord etc.)
+#  "debug-tweaks"   - make an image suitable for development
+#                     e.g. ssh root access has a blank password
+# There are other application targets that can be used here too, see
+# meta/classes/image.bbclass and meta/classes/core-image.bbclass for more details.
+# We default to enabling the debugging tweaks.
+EXTRA_IMAGE_FEATURES ?= "debug-tweaks"
+
+#
+# Additional image features
+#
+# The following is a list of additional classes to use when building images which
+# enable extra features. Some available options which can be included in this variable
+# are:
+#   - 'buildstats' collect build statistics
+#   - 'image-mklibs' to reduce shared library files size for an image
+#   - 'image-prelink' in order to prelink the filesystem image
+# NOTE: if listing mklibs & prelink both, then make sure mklibs is before prelink
+# NOTE: mklibs also needs to be explicitly enabled for a given image, see local.conf.extended
+USER_CLASSES ?= "buildstats image-mklibs image-prelink"
+
+#
+# Runtime testing of images
+#
+# The build system can test booting virtual machine images under qemu (an emulator)
+# after any root filesystems are created and run tests against those images. It can also
+# run tests against any SDK that are built. To enable this uncomment these lines.
+# See classes/test{image,sdk}.bbclass for further details.
+#IMAGE_CLASSES += "testimage testsdk"
+#TESTIMAGE_AUTO_qemuall = "1"
+
+#
+# Interactive shell configuration
+#
+# Under certain circumstances the system may need input from you and to do this it
+# can launch an interactive shell. It needs to do this since the build is
+# multithreaded and needs to be able to handle the case where more than one parallel
+# process may require the user's attention. The default is iterate over the available
+# terminal types to find one that works.
+#
+# Examples of the occasions this may happen are when resolving patches which cannot
+# be applied, to use the devshell or the kernel menuconfig
+#
+# Supported values are auto, gnome, xfce, rxvt, screen, konsole (KDE 3.x only), none
+# Note: currently, Konsole support only works for KDE 3.x due to the way
+# newer Konsole versions behave
+#OE_TERMINAL = "auto"
+# By default disable interactive patch resolution (tasks will just fail instead):
+PATCHRESOLVE = "noop"
+
+#
+# Disk Space Monitoring during the build
+#
+# Monitor the disk space during the build. If there is less that 1GB of space or less
+# than 100K inodes in any key build location (TMPDIR, DL_DIR, SSTATE_DIR), gracefully
+# shutdown the build. If there is less that 100MB or 1K inodes, perform a hard abort
+# of the build. The reason for this is that running completely out of space can corrupt
+# files and damages the build in ways which may not be easily recoverable.
+# It's necesary to monitor /tmp, if there is no space left the build will fail
+# with very exotic errors.
+BB_DISKMON_DIRS ??= "\
+    STOPTASKS,${TMPDIR},1G,100K \
+    STOPTASKS,${DL_DIR},1G,100K \
+    STOPTASKS,${SSTATE_DIR},1G,100K \
+    STOPTASKS,/tmp,100M,100K \
+    ABORT,${TMPDIR},100M,1K \
+    ABORT,${DL_DIR},100M,1K \
+    ABORT,${SSTATE_DIR},100M,1K \
+    ABORT,/tmp,10M,1K"
+
+#
+# Shared-state files from other locations
+#
+# As mentioned above, shared state files are prebuilt cache data objects which can
+# used to accelerate build time. This variable can be used to configure the system
+# to search other mirror locations for these objects before it builds the data itself.
+#
+# This can be a filesystem directory, or a remote url such as http or ftp. These
+# would contain the sstate-cache results from previous builds (possibly from other
+# machines). This variable works like fetcher MIRRORS/PREMIRRORS and points to the
+# cache locations to check for the shared objects.
+# NOTE: if the mirror uses the same structure as SSTATE_DIR, you need to add PATH
+# at the end as shown in the examples below. This will be substituted with the
+# correct path within the directory structure.
+#SSTATE_MIRRORS ?= "\
+#file://.* http://someserver.tld/share/sstate/PATH;downloadfilename=PATH \n \
+#file://.* file:///some/local/dir/sstate/PATH"
+
+#
+# Yocto Project SState Mirror
+#
+# The Yocto Project has prebuilt artefacts available for its releases, you can enable
+# use of these by uncommenting the following line. This will mean the build uses
+# the network to check for artefacts at the start of builds, which does slow it down
+# equally, it will also speed up the builds by not having to build things if they are
+# present in the cache. It assumes you can download something faster than you can build it
+# which will depend on your network.
+#
+#SSTATE_MIRRORS ?= "file://.* http://sstate.yoctoproject.org/2.5/PATH;downloadfilename=PATH"
+
+#
+# Qemu configuration
+#
+# By default native qemu will build with a builtin VNC server where graphical output can be
+# seen. The line below enables the SDL UI frontend too.
+PACKAGECONFIG_append_pn-qemu-system-native = " sdl"
+# By default libsdl2-native will be built, if you want to use your host's libSDL instead of 
+# the minimal libsdl built by libsdl2-native then uncomment the ASSUME_PROVIDED line below.
+#ASSUME_PROVIDED += "libsdl2-native"
+
+# You can also enable the Gtk UI frontend, which takes somewhat longer to build, but adds
+# a handy set of menus for controlling the emulator.
+#PACKAGECONFIG_append_pn-qemu-system-native = " gtk+"
+
+#
+# Hash Equivalence
+#
+# Enable support for automatically running a local hash equivalence server and
+# instruct bitbake to use a hash equivalence aware signature generator. Hash
+# equivalence improves reuse of sstate by detecting when a given sstate
+# artifact can be reused as equivalent, even if the current task hash doesn't
+# match the one that generated the artifact.
+#
+# A shared hash equivalent server can be set with "<HOSTNAME>:<PORT>" format
+#
+#BB_HASHSERVE = "auto"
+#BB_SIGNATURE_HANDLER = "OEEquivHash"
+
+#
+# Memory Resident Bitbake
+#
+# Bitbake's server component can stay in memory after the UI for the current command
+# has completed. This means subsequent commands can run faster since there is no need
+# for bitbake to reload cache files and so on. Number is in seconds, after which the
+# server will shut down.
+#
+#BB_SERVER_TIMEOUT = "60"
+
+# CONF_VERSION is increased each time build/conf/ changes incompatibly and is used to
+# track the version of this file when it was generated. This can safely be ignored if
+# this doesn't mean anything to you.
+CONF_VERSION = "1"

layers/meta-tegrademo/recipes-demo/images/demo-image-base.bb

@@ -0,0 +1,3 @@
+DESCRIPTION = "Tegra demo base image"
+
+require demo-image-common.inc

layers/meta-tegrademo/recipes-demo/images/demo-image-common.inc

@@ -0,0 +1,10 @@
+IMAGE_FEATURES += "ssh-server-openssh"
+
+LICENSE = "MIT"
+
+inherit core-image
+
+CORE_IMAGE_BASE_INSTALL += "packagegroup-demo-base packagegroup-demo-basetests"
+CORE_IMAGE_BASE_INSTALL += "${@'packagegroup-demo-systemd' if d.getVar('VIRTUAL-RUNTIME_init_manager') == 'systemd' else ''}"
+
+inherit nopackages

layers/meta-tegrademo/recipes-demo/images/demo-image-egl.bb

@@ -0,0 +1,11 @@
+DESCRIPTION = "Tegra demo image with no display/window manager."
+
+require demo-image-common.inc
+
+IMAGE_FEATURES += "hwcodecs"
+
+inherit features_check
+
+REQUIRED_DISTRO_FEATURES = "opengl"
+
+CORE_IMAGE_BASE_INSTALL += "packagegroup-demo-egltests"

layers/meta-tegrademo/recipes-demo/images/demo-image-full.bb

@@ -0,0 +1,14 @@
+DESCRIPTION = "Full Tegra demo image with X11/Sato, nvidia-docker, OpenCV, \
+and Tegra multimedia API sample apps."
+
+require demo-image-common.inc
+
+IMAGE_FEATURES += "splash x11-base x11-sato hwcodecs"
+
+inherit features_check
+
+REQUIRED_DISTRO_FEATURES = "x11 opengl virtualization"
+
+CORE_IMAGE_BASE_INSTALL += "packagegroup-demo-x11tests"
+CORE_IMAGE_BASE_INSTALL += "${@bb.utils.contains('DISTRO_FEATURES', 'vulkan', 'packagegroup-demo-vulkantests', '', d)}"
+CORE_IMAGE_BASE_INSTALL += "libvisionworks nvidia-docker tegra-mmapi-samples"

layers/meta-tegrademo/recipes-demo/images/demo-image-sato.bb

@@ -0,0 +1,10 @@
+DESCRIPTION = "Tegra demo image with Sato, a mobile environment and visual style for \
+mobile devices. The image supports X11 with a Sato theme, Pimlico \
+applications, and contains terminal, editor, and file manager."
+
+require demo-image-common.inc
+
+IMAGE_FEATURES += "splash x11-base x11-sato hwcodecs"
+
+CORE_IMAGE_BASE_INSTALL += "packagegroup-demo-x11tests"
+CORE_IMAGE_BASE_INSTALL += "${@bb.utils.contains('DISTRO_FEATURES', 'vulkan', 'packagegroup-demo-vulkantests', '', d)}"

layers/meta-tegrademo/recipes-demo/images/demo-image-weston.bb

@@ -0,0 +1,13 @@
+SUMMARY = "Tegra demo image with Weston compositor"
+
+require demo-image-common.inc
+
+IMAGE_FEATURES += "hwcodecs"
+
+inherit features_check
+
+REQUIRED_DISTRO_FEATURES = "wayland opengl"
+
+CORE_IMAGE_BASE_INSTALL += "packagegroup-demo-weston packagegroup-demo-westontests"
+CORE_IMAGE_BASE_INSTALL += "${@bb.utils.contains('DISTRO_FEATURES', 'x11', 'packagegroup-demo-x11tests', '', d)}"
+CORE_IMAGE_BASE_INSTALL += "${@bb.utils.contains('DISTRO_FEATURES', 'vulkan', 'packagegroup-demo-vulkantests', '', d)}"

layers/meta-tegrademo/recipes-demo/packagegroups/packagegroup-demo-base.bb

@@ -0,0 +1,13 @@
+DESCRIPTION = "Packagegroup for inclusion in all Tegra demo images"
+
+LICENSE = "MIT"
+
+inherit packagegroup
+
+RDEPENDS_${PN} = " \
+    haveged \
+    procps \
+    sshfs-fuse \
+    strace \
+    tegra-tools-tegrastats \
+"

layers/meta-tegrademo/recipes-demo/packagegroups/packagegroup-demo-basetests.bb

@@ -0,0 +1,10 @@
+DESCRIPTION = "Packagegroup for common Tegra demo test applications"
+
+LICENSE = "MIT"
+
+inherit packagegroup
+
+RDEPENDS_${PN} = " \
+    cuda-samples \
+    gpu-burn \
+"

layers/meta-tegrademo/recipes-demo/packagegroups/packagegroup-demo-egltests.bb

@@ -0,0 +1,11 @@
+DESCRIPTION = "Packagegroup for Tegra demo apps with no window manager"
+
+LICENSE = "MIT"
+
+inherit packagegroup
+
+RDEPENDS_${PN} = " \
+    eglstreams-kms-example \
+    l4t-graphics-demos-egldevice \
+    tegra-udrm-probeconf \
+"

layers/meta-tegrademo/recipes-demo/packagegroups/packagegroup-demo-systemd.bb

@@ -0,0 +1,12 @@
+DESCRIPTION = "Packagegroup for demo images using systemd.  These pacakges \
+are not strictly required for systemd support, but provide tools that make \
+using systemd easier."
+
+LICENSE = "MIT"
+
+inherit packagegroup
+
+RDEPENDS_${PN} = " \
+    less \
+    systemd-analyze \
+"

layers/meta-tegrademo/recipes-demo/packagegroups/packagegroup-demo-vulkantests.bb

@@ -0,0 +1,10 @@
+DESCRIPTION = "Packagegroup for common Tegra demo Vulkan test apps"
+
+LICENSE = "MIT"
+
+inherit packagegroup
+
+RDEPENDS_${PN} = " \
+    vulkan-demos \
+    vulkan-tools \
+"

layers/meta-tegrademo/recipes-demo/packagegroups/packagegroup-demo-weston.bb

@@ -0,0 +1,11 @@
+DESCRIPTION = "Packagegroup for inclusion in all Tegra demo weston images"
+
+LICENSE = "MIT"
+
+inherit packagegroup
+
+RDEPENDS_${PN} = " \
+    weston \
+    weston-init \
+    ${@bb.utils.contains('DISTRO_FEATURES', 'x11', 'weston-xwayland matchbox-terminal', '', d)} \
+"

layers/meta-tegrademo/recipes-demo/packagegroups/packagegroup-demo-westontests.bb

@@ -0,0 +1,12 @@
+DESCRIPTION = "Packagegroup for Tegra demo weston test applications"
+
+LICENSE = "MIT"
+
+inherit packagegroup
+
+RDEPENDS_${PN} = " \
+    clutter-1.0-examples \
+    gstreamer-tests \
+    l4t-graphics-demos-wayland \
+    weston-examples \
+"

layers/meta-tegrademo/recipes-demo/packagegroups/packagegroup-demo-x11tests.bb

@@ -0,0 +1,14 @@
+DESCRIPTION = "Tegra demo apps and tests for X11"
+
+LICENSE = "MIT"
+
+inherit packagegroup
+
+RDEPENDS_${PN} = " \
+    cuda-samples \
+    gstreamer-tests \
+    l4t-graphics-demos-x11 \
+    libgl-mesa \
+    mesa-demos \
+    nvgstapps \
+"

layers/meta-tegrademo/scripts/buildenv-host-gcc-check

@@ -0,0 +1,39 @@
+#!/bin/sh
+
+# Make sure host toolchain is gcc/g++ 8 or
+
+version_ok() {
+    local v=$("$1" -v 2>&1 | tail -n 1 | cut -d' ' -f3)
+    if [ -z "$v" ]; then
+	echo "Error: cannot validate $1 version" >&2
+	return 1
+    fi
+    case "$v" in
+	8.*)
+	    return 0
+	    ;;
+	*)
+	    return 1
+	    ;;
+    esac
+}
+
+make_local_bin_symlink() {
+    local cmdpath=$(which "$1" 2>/dev/null)
+    local target="$2"
+    if [ -z "$cmdpath" ]; then
+	echo "Error: $1 not found in PATH" >&2
+	echo "       Please install $1 (with 'sudo apt install $1') and try again." >&2
+	return 1
+    fi
+    mkdir -p "$BUILDDIR/.local/bin"
+    ln -sf "$cmdpath" "$BUILDDIR/.local/bin/$target"
+}
+
+if ! version_ok gcc; then
+    make_local_bin_symlink gcc-8 gcc || return 1
+fi
+
+if ! version_ok g++; then
+    make_local_bin_symlink g++-8 g++ || return 1
+fi

layers/meta-tegrademo/scripts/layer-setup-env

@@ -0,0 +1,17 @@
+#!/bin/sh
+if ! $(return >/dev/null 2>&1); then
+    echo "This script must be sourced" >&2
+    exit 1
+fi
+
+if [ ! -d "$BUILDDIR/.local/bin" ]; then
+    # No local bin dir, see if we need it
+    buildenv-host-gcc-check
+    if [ -d "$BUILDDIR/.local/bin" ]; then
+	PATH="$BUILDDIR/.local/bin:$PATH"
+    fi
+else
+    # We have local bin dir, re-check the symlinks there
+    PATH="$BUILDDIR/.local/bin:$PATH"
+    buildenv-host-gcc-check
+fi

layers/meta-virtualization

@@ -0,0 +1 @@
+../repos/meta-virtualization

layers/scripts

@@ -0,0 +1 @@
+../repos/poky/scripts

scripts-setup/diff-bblayers-conf

@@ -0,0 +1,14 @@
+#!/bin/sh
+baseconf="$OEROOT/$TEMPLATECONF/bblayers.conf.sample"
+[ -e "$baseconf" -a -e "$BUILDDIR/conf/bblayers.conf" ] || exit 0
+[ -n "$COLOR" ] || COLOR=never
+confsdiff=$(sed -E -e "s!##(OEROOT|COREBASE)##!$OEROOT!g" "$baseconf" | \
+		diff -u --color=$COLOR - "$BUILDDIR/conf/bblayers.conf")
+if [ $? -ne 0 ]; then
+    echo
+    [ "$COLOR" = "always" ] && echo -ne "\033[33;1m"
+    echo -e "Layers differ from ${baseconf}:"
+    [ "$COLOR" = "always" ] && echo -ne "\033[0m"
+    echo -e "$confsdiff"
+fi
+exit 0

scripts-setup/setup-env-internal

@@ -0,0 +1,154 @@
+#!/bin/bash
+
+SETUP_SCRIPT="$1"
+shift
+PROGNAME=$(basename "$SETUP_SCRIPT")
+SETUP_SCRIPTDIR=$(dirname "$SETUP_SCRIPT")
+TD_TOP="${TD_TOP:-$(readlink -f $SETUP_SCRIPTDIR)}"
+
+DISTRO_LAYERS="meta-tegrademo"
+DISTRO_DEFAULT="tegrademo"
+BUILDDIR_DEFAULT="build"
+
+distro_list() {
+    local d paths
+    
+    for d in $DISTRO_LAYERS; do
+	paths="$paths $TD_TOP/layers/$d/conf/distro"
+    done
+    find $paths -maxdepth 1 -name '*.conf' | xargs basename -s .conf | sort -u | awk '{print "\t" $0}'
+}
+
+distro_path() {    
+    local dconf=$(find -L "$TD_TOP"/layers -path "*/conf/distro/*" -name "${1}.conf" | head -n 1)
+    [ -n "$dconf" ] || exit 1
+    echo "$dconf" | sed -E -e's,.*/layers/([^/]+)/conf/.*,\1,'
+}
+
+
+machine_list() {
+    find -L "$TD_TOP"/layers/meta*/conf/machine -maxdepth 1 -name '*.conf' | xargs basename -s .conf | sort -u | awk '{print "\t" $0}'
+}
+
+
+usage()
+{
+    cat >&2 <<EOF
+Usage: . $PROGNAME --machine <MACHINE> [<options>] [<BUILDDIR>]
+Usage: . $PROGNAME [<BUILDDIR>]
+
+Options:
+    -h, --help         Print this usage message
+    -m, --machine      Set the MACHINE name in the build configuratino
+    -d, --distro       Set the DISTRO name in the build configuration (default '${DISTRO_DEFAULT}')
+    -c, --color        Colorize the output; can be 'never', 'always',
+                             or 'auto' (default 'auto')
+
+Arguments:
+    BUILDDIR           Location of BUILDDIR (default '${BUILDDIR_DEFAULT}')
+
+The first usage is for creating a new build directory. In this case, the
+script creates the build directory <BUILDDIR>, configures it for the
+specified <MACHINE> and <DISTRO>, and prepares the calling shell for
+running bitbake on the build directory.
+
+The second usage is for using an existing build directory. In this case,
+the script prepares the calling shell for running bitbake on the build
+directory <BUILDDIR>. The build directory configuration is unchanged.
+
+Available distros:
+$(distro_list)
+Available machines:
+$(machine_list)
+
+Environment variables:
+    NVIDIA_DEVNET_MIRROR     URL or pathname of NVIDIA SDK Manager downloads.
+                             Default: \$HOME/Downloads/nvidia/sdkm_downloads
+
+
+Examples:
+- To create a new Yocto build directory:
+  $ . $PROGNAME --machine jetson-tx2 --distro testdistro build-testdistro
+
+- To use an existing Yocto build directory:
+  $ . $PROGNAME build-testdistro
+
+EOF
+}
+
+COLOR=auto
+DISTRO="${DISTRO:-$DISTRO_DEFAULT}"
+
+# get command line options
+SHORTOPTS="hm:d:b:c:"
+LONGOPTS="help,machine:,distro:,color:"
+
+ARGS=$(getopt --options $SHORTOPTS --longoptions $LONGOPTS --name $PROGNAME -- "$@" )
+# Print the usage menu if invalid options are specified
+if [ $? != 0 ]; then
+   usage
+   echo "TD_RC=1"
+   exit 1
+fi
+
+eval set -- "$ARGS"
+while true;
+do
+    case $1 in
+        -h | --help)       usage; echo "TD_RC=1"; exit 0 ;;
+        -m | --machine)    MACHINE="$2"; shift 2;;
+        -d | --distro)     DISTRO="$2"; shift 2;;
+        -c | --color)      COLOR="$2"; shift 2;;
+        -- )               shift; break ;;
+        * )                break ;;
+    esac
+done
+
+BUILDDIR="${1:-$BUILDDIR_DEFAULT}"
+if [ ! -e $BUILDDIR/conf/local.conf ]; then
+    if [ -z "$MACHINE" ]; then
+        usage
+        echo "ERROR: You must set MACHINE when creating a new build directory." >&2
+        echo "TD_RC=1"
+        exit 1
+    fi
+    if [ -z "$DISTRO" ]; then
+        DISTRO=$DISTRO_DEFAULT
+    fi
+    LAYERPATH=$(distro_path $DISTRO)
+    NEEDSETUP=yes
+fi
+
+if [ $COLOR = "auto" ]; then
+    if [ -t 1 ]; then
+        COLOR=always
+    else
+        COLOR=never
+    fi
+else
+    COLOR=never
+fi
+
+[ "$NVIDIA_DEVNET_MIRROR" != "" ] || NVIDIA_DEVNET_MIRROR="$HOME/Downloads/nvidia/sdkm_downloads"
+if [ ! -d "$NVIDIA_DEVNET_MIRROR" ]; then
+    echo "NVIDIA_DEVNET_MIRROR location not found; some recipes may not be available"
+    TD_DEVNET_MIRROR=
+else
+    if echo "$NVIDIA_DEVNET_MIRROR" | grep -q "^[^:]+://"; then
+        TD_DEVNET_MIRROR="$NVIDIA_DEVNET_MIRROR"
+    else
+	TD_DEVNET_MIRROR="file://$NVIDIA_DEVNET_MIRROR"
+    fi
+fi
+cat <<EOF
+BDIR="$BUILDDIR"
+TD_COLOR="$COLOR"
+TD_NEEDSETUP=$NEEDSETUP
+TD_DISTRO=$DISTRO
+TD_MACHINE=$MACHINE
+TD_LAYERPATH=$LAYERPATH
+TD_DEVNET_MIRROR="$TD_DEVNET_MIRROR"
+TD_RC=0
+TD_VARS="\$TD_VARS TD_COLOR TD_NEEDSETUP TD_DISTRO TD_MACHINE TD_LAYERPATH TD_DEVNET_MIRROR"
+EOF
+exit 0

scripts-setup/update-git-submodules

@@ -0,0 +1,8 @@
+#!/bin/sh
+[ -n "$1" -a -d "$1" ] || exit
+cd "$1"
+git submodule sync > /dev/null 2>&1
+git submodule status | grep '^-' | awk '{print $2}' | xargs git submodule update --init --
+exit 0
+
+

setup-env

@@ -0,0 +1,142 @@
+#!/bin/sh
+# Tegra demo distro setup script
+#
+# Copyright (c) 2020, Matthew Madison
+# Poritions Copyright (C) 2006-2001 Linux Foundation
+#
+# SPDX-License-Identifier: GPL-2.0-or-later
+
+#
+# See scripts-setup/setup-env-internal for usage information.
+# For shells that do not pass arguments to sourced scripts (e.g., dash),
+# you can set MACHINE and DISTRO in your environment to appropriate
+# values before sourcing this script.
+#
+#
+# Initial boilerplate from the oe-init-build-env
+if [ -n "$BASH_SOURCE" ]; then
+    THIS_SCRIPT=$BASH_SOURCE
+elif [ -n "$ZSH_NAME" ]; then
+    THIS_SCRIPT=$0
+else
+    THIS_SCRIPT="$(pwd)/setup-env"
+    if [ ! -e "$THIS_SCRIPT" ]; then
+        echo "Error: $THIS_SCRIPT doesn't exist!" >&2
+        echo "Please run this script in setup-env's directory." >&2
+        return 1
+    fi
+fi
+
+if [ -n "$BBSERVER" ]; then
+    unset BBSERVER
+fi
+
+if [ -z "$ZSH_NAME" ] && [ "$0" = "$THIS_SCRIPT" ]; then
+    echo "Error: This script needs to be sourced. Please run as '. $THIS_SCRIPT'" >&2
+    exit 1
+fi
+
+# Running bitbake builds as root can cause issues, so flag this
+
+if [ $(id -u) -eq 0 ]; then
+    echo "ERROR: do not use the BSP as root. Exiting..."
+    unset THIS_SCRIPT
+    return 1
+fi
+
+TD_TOP=$(dirname "$THIS_SCRIPT")
+TD_TOP=$(readlink -f "$TD_TOP")
+TD_SCRIPTDIR="$TD_TOP/scripts-setup"
+
+# Automatically update the git submodules.  It's common to forget
+# to do this after updating the main repository to latest.
+
+"$TD_SCRIPTDIR/update-git-submodules" "$TD_TOP"
+
+# We use TD_VARS to track the variables that need to
+# be unset before exiting this script.
+TD_RC=0
+TD_VARS="TD_RC TD_SCRIPTDIR TD_TOP THIS_SCRIPT TD_VARS"
+
+# Call on setup-env-internal to parse any arguments. It
+# will emit variable assignments on stdout.
+eval $(TD_TOP="$TD_TOP" "$TD_SCRIPTDIR/setup-env-internal" "$THIS_SCRIPT" "$@")
+if [ $TD_RC -ne 0 ]; then
+    unset $TD_VARS
+    return 1
+fi
+
+OEROOT=$(readlink -f "$TD_TOP/layers")
+export OEROOT
+
+# There can be multiple distro layers in the repository, which
+# may require different setups.  The .templateconf file in the
+# distro layer can be used to handle where to look for config
+# templates.
+if [ -n "$TD_NEEDSETUP" ]; then
+    DISTRO="$TD_DISTRO"
+    # If the layer directory has a .templateconf file, use that to set TEMPLATECONF
+    if [ -e "$OEROOT/$TD_LAYERPATH/.templateconf" ]; then
+	. "$OEROOT/$TD_LAYERPATH/.templateconf"
+    fi
+fi
+
+# Now things are set up to let the OE setup scripts to their jobs
+. $OEROOT/scripts/oe-buildenv-internal &&
+    TEMPLATECONF="$TEMPLATECONF" $OEROOT/scripts/oe-setup-builddir || {
+	unset OEROOT DISTRO TEMPLATECONF $TD_VARS
+	return 1
+    }
+
+# Make sure to configure in the user's distro and machine settings
+# into local.conf if this is the first time setting up.
+if [ -n "$TD_NEEDSETUP" ]; then
+    unset DISTRO TEMPLATECONF
+    echo "$TD_LAYERPATH" > "$BUILDDIR/conf/distrolayer.cfg"
+    # Replace placeholder comments with default settings
+    sed -e"/@TD_SETUP_MACHINE@/c \MACHINE ?= \"$TD_MACHINE\"" \
+        -e"/@TD_SETUP_DISTRO@/c \DISTRO ?= \"$TD_DISTRO\"" -i "$BUILDDIR/conf/local.conf"
+    if [ -n "$TD_DEVNET_MIRROR" ]; then
+	sed -e"/@TD_SETUP_DEVNET_MIRROR@/c \NVIDIA_DEVNET_MIRROR ?= \"$TD_DEVNET_MIRROR\"" \
+	    -i "$BUILDDIR/conf/local.conf"
+	devnet_info__="NVIDIA_DEVNET_MIRROR=$TD_DEVNET_MIRROR"
+    else
+	sed -e"/@TD_SETUP_DEVNET_MIRROR@/d" -i "$BUILDDIR/conf/local.conf"
+	devnet_info__="(no setting for NVIDIA_DEVNET_MIRROR)"
+    fi
+    cat <<EOF
+
+Your build environment has been configured with:
+    MACHINE=$TD_MACHINE
+    DISTRO=$TD_DISTRO
+    $devnet_info__
+EOF
+    for s__ in .oe/$TD_DISTRO .yocto/$TD_DISTRO .oe .yocto ; do
+        if [ -e "$HOME/$s__/site.conf" ]; then
+            echo "Linking $s__/site.conf to conf/site.conf"
+            ln -sf "$HOME/$s__/site.conf" "$BUILDDIR/conf/"
+        fi
+    done
+    unset devnet_info__ s__
+else
+    TD_LAYERPATH=$(cat "$BUILDDIR/conf/distrolayer.cfg")
+    TEMPLATECONF=$(cat "$BUILDDIR/conf/templateconf.cfg") COLOR=$TD_COLOR "$TD_TOP/scripts-setup/diff-bblayers-conf"
+fi
+
+# Add the distro layer's scripts directory to PATH and
+# source its environment setup script, if present
+if [ -d "$OEROOT/$TD_LAYERPATH/scripts" ]; then
+    PATH="$OEROOT/$TD_LAYERPATH/scripts:$PATH"
+    if [ -e "$OEROOT/$TD_LAYERPATH/scripts/layer-setup-env" ]; then
+        . "$OEROOT/$TD_LAYERPATH/scripts/layer-setup-env"
+    fi
+fi
+
+# Generally don't want world-writable output by default
+# for builds, so fix the umask if it's set that way.
+if [ "`umask | tail -c 2`" = "7" ]; then
+    umask 0022
+fi
+unset OEROOT $TD_VARS
+
+[ -z "$BUILDDIR" ] || cd "$BUILDDIR"