Complete documentation update for UT project
Major changes based on user requirements: 1. Board identification: TQMa6UL (from sticker TQMA6U-AB) - Old code reference 'tqma6x' = generic i.MX6 family - Machine: tqma6ulx-mba6ulx 2. Build name: UT (Universität/Projekt) - All documentation updated with UT branding - Build directory: build_ut 3. ci-meta-tq workflow: - Replaced manual layer cloning with official TQ CI repo - Uses git submodules for all layers - ci/fill_mirror script for mirror population 4. License tables in 3 formats: - CSV: UT-license-table.csv - Markdown: license-summary.md - Excel-compatible: UT-license-table-excel.md 5. Air-gap deployment: - Complete offline build instructions - /srv/yocto/ premirror setup - BB_NO_NETWORK configuration 6. 2038 compliance: - Verified: Kernel 6.6 + glibc 2.38 - 64-bit time_t on 32-bit ARM - Scarthgap 5.0 LTS confirmed suitable All documents ready for mirror creation and approval process.
This commit is contained in:
OpenClaw (Siggi)
@@ -1,10 +1,25 @@
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# Step-by-Step Yocto Mirror Creation
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# Step-by-Step Yocto Mirror Creation with ci-meta-tq
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**Document ID:** PROC-MIRROR-001
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**Document ID:** PROC-MIRROR-001-REV2
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**Date:** 2026-03-01
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**System:** Ubuntu 22.04 LTS
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**Environment:** Outside corporate network (Internet access required)
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**Target:** TQMa6UL Yocto Scarthgap mirror for offline deployment
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**Environment:** Outside corporate network (Internet required)
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**Target:** TQMa6UL Yocto Scarthgap mirror (UT build)
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**Build Name:** UT (Universität/Projekt)
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---
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## Hardware Target Confirmation
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Based on sticker analysis and code review:
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**Sticker:** TQMA6U-AB RK REV.0405
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**Board:** TQMa6UL (NXP i.MX6 UltraLite, Cortex-A7, 32-bit)
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**Carrier:** MBa6x
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**Code Reference:** `tqma6x` = generic i.MX6 family identifier in legacy codebase
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**Machine Configuration:** `tqma6ulx-mba6ulx`
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*Alternative (ci-meta-tq multi-config):* `tqma6qdl-multi-mba6x`
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---
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@@ -15,10 +30,10 @@
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| Resource | Minimum | Recommended | Notes |
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|----------|---------|-------------|-------|
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| CPU | 4 cores | 8+ cores | Parallel builds |
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| RAM | 8 GB | 16+ GB | BitBake is memory-intensive |
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| RAM | 8 GB | 16+ GB | BitBake memory-intensive |
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| Disk Space | 100 GB | 200+ GB | Sources + build artifacts |
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| OS | Ubuntu 22.04 | Ubuntu 22.04 LTS | Verified platform |
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| Internet | Required | Broadband | For initial download |
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| Internet | Required | Broadband | For initial download only |
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### 1.2 Required Packages
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@@ -27,15 +42,11 @@ Install on Ubuntu 22.04:
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```bash
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sudo apt update
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sudo apt install -y \
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gawk wget git diffstat unzip texinfo gcc build-essential \
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chrpath socat cpio python3 python3-pip python3-pexpect \
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xz-utils debianutils iputils-ping python3-git \
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python3-jinja2 libegl1-mesa libsdl1.2-dev xterm \
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locales lz4 zstd rpcsvc-proto \
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file bsdmainutils curl
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# Ensure Python 3 is default
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sudo apt install -y python3-distutils
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git python3 jq bash grep gawk wget diffstat \
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chrpath cpio texinfo gcc g++ make file tar \
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bzip2 gzip xz-utils zstd lz4 patch perl \
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python3-pexpect socat unzip rsync bc \
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libsdl1.2-dev xterm
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```
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### 1.3 Locale Configuration
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@@ -53,276 +64,309 @@ export LANG=en_US.UTF-8
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```bash
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# Create base directory for mirror creation
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mkdir -p ~/tqma6-yocto-mirror
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export MIRROR_BASE=~/tqma6-yocto-mirror
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cd $MIRROR_BASE
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export UT_BASE=~/UT-yocto-mirror
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mkdir -p ${UT_BASE}
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cd ${UT_BASE}
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# Create subdirectories
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mkdir -p sources layers downloads sstate-cache
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mkdir -p mirror-bundle build-scripts
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```
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---
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## Step 2: Clone Yocto Poky (Reference Distribution)
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## Step 2: Clone ci-meta-tq Repository
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The official TQ CI repository includes all required layers as submodules:
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```bash
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cd $MIRROR_BASE/sources
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cd ${UT_BASE}
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# Clone Poky (Yocto reference) - Scarthgap branch
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git clone -b scarthgap --depth 1 \
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https://git.yoctoproject.org/git/poky.git \
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poky-scarthgap
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# Clone ci-meta-tq with all submodules (Scarthgap branch)
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git clone --branch scarthgap.TQ.ARM.BSP.0006 \
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--recurse-submodules \
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https://github.com/tq-systems/ci-meta-tq.git \
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ci-meta-tq
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cd poky-scarthgap
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# Full clone for complete history (optional but recommended for approval)
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git fetch --unshallow
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cd ci-meta-tq
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cd $MIRROR_BASE/sources
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# Verify submodules are initialized
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git submodule sync
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git submodule update --init
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# Verify structure
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ls -la sources/
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# Should show: meta-tq, poky, meta-openembedded, etc.
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```
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**Verification:**
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```bash
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cd poky-scarthgap
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git log --oneline -1
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# Should show: scarthgap branch, recent commit
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git describe --tags
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# Should show: yocto-5.0.x or similar
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cd ${UT_BASE}/ci-meta-tq
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./ci/ls-configs --file
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./ci/ls-machines --file --config=imx
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# Should list tqma6ulx-mba6ulx and other machines
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```
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---
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## Step 3: Clone OpenEmbedded Meta-Layer
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## Step 3: Configure Build Environment for UT
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### 3.1 Create Site Configuration
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Create central configuration file `~/.yocto/site.conf`:
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```bash
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cd $MIRROR_BASE/sources
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mkdir -p ~/.yocto
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# Clone meta-openembedded (contains essential recipes)
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git clone -b scarthgap --depth 1 \
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https://git.openembedded.org/meta-openembedded \
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meta-openembedded
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cat > ~/.yocto/site.conf <<'EOF'
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# UT Project Configuration
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# Build: UT (Universität/Projekt)
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# Target: TQMa6UL on MBa6x
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# Date: 2026-03-01
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cd meta-openembedded
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git fetch --unshallow
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# Mirror directories (outside home for space)
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DL_DIR ?= "/srv/yocto/downloads"
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SSTATE_DIR ?= "/srv/yocto/sstate-cache"
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cd $MIRROR_BASE/sources
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# Create directories
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EOF
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# Create system directories
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sudo mkdir -p /srv/yocto/downloads /srv/yocto/sstate-cache
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sudo chown -R "$USER:$USER" /srv/yocto
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```
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**Included sub-layers:**
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- `meta-oe` - Base additional recipes
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- `meta-python` - Python packages
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- `meta-networking` - Network tools
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- `meta-filesystems` - Filesystem tools
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- `meta-perl` - Perl modules
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---
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## Step 4: Clone TQ BSP Layer
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### 3.2 Initialize Build Environment
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```bash
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cd $MIRROR_BASE/sources
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cd ${UT_BASE}/ci-meta-tq
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# Clone TQ BSP layer - specific version for TQMa6UL
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git clone -b scarthgap.TQ.ARM.BSP.0006 --depth 1 \
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https://github.com/tq-systems/meta-tq.git \
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meta-tq
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# Set machine for TQMa6UL
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export MACHINE=tqma6ulx-mba6ulx
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cd meta-tq
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git fetch --unshallow
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# Alternative if using multi-config:
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# export MACHINE=tqma6qdl-multi-mba6x
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# Verify the branch
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git branch -a | grep scarthgap
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# Initialize build environment (creates build_ut directory)
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. ./setup-environment build_ut imx
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cd $MIRROR_BASE/sources
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```
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**Critical:** Ensure you use the exact tag `scarthgap.TQ.ARM.BSP.0006` for reproducibility.
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---
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## Step 5: Initialize Build Environment
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```bash
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cd $MIRROR_BASE/sources/poky-scarthgap
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# Source the build environment
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source oe-init-build-env ../build
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# This creates the build directory and sets up environment
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# You should now be in: ~/tqma6-yocto-mirror/build
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# Verify configuration
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bitbake -e | grep -E "^MACHINE=|^DL_DIR=|^SSTATE_DIR="
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```
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---
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## Step 6: Configure Build for TQMa6UL
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## Step 4: First Build (Downloads All Sources)
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### 6.1 Edit `conf/local.conf`
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This step downloads all required source packages for offline use:
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```bash
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# Edit the local.conf file
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vim conf/local.conf
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cd ${UT_BASE}/ci-meta-tq
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# Ensure environment is set
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export MACHINE=tqma6ulx-mba6ulx
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. ./setup-environment build_ut imx
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# Build the image (downloads all sources)
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bitbake tq-image-small-debug
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# Alternative images:
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# bitbake core-image-minimal
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# bitbake core-image-full-cmdline
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```
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**Add/modify these settings:**
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```conf
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# Machine selection for TQMa6UL on MBa6x
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MACHINE ??= "tqma6ulx-mba6ulx"
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# Parallelism (adjust to your CPU)
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BB_NUMBER_THREADS ?= "8"
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PARALLEL_MAKE ?= "-j8"
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# Download directory (for mirroring)
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DL_DIR ?= "${MIRROR_BASE}/downloads"
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# Shared state cache
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SSTATE_DIR ?= "${MIRROR_BASE}/sstate-cache"
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# Keep source code for license compliance
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RM_WORK_EXCLUDE += "*"
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INHERIT += "archiver"
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ARCHIVER_MODE[src] = "original"
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ARCHIVER_MODE[diff] = "1"
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# Generate license information
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COPY_LIC_MANIFEST = "1"
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COPY_LIC_DIRS = "1"
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# Create source mirror
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INHERIT += "own-mirrors"
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SOURCE_MIRROR_URL ?= "file://${MIRROR_BASE}/mirror/"
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BB_GENERATE_MIRROR_TARBALLS = "1"
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```
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### 6.2 Add Layers to `conf/bblayers.conf`
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```bash
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vim conf/bblayers.conf
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```
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**Content:**
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```conf
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BBLAYERS ?= " \
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${MIRROR_BASE}/sources/poky-scarthgap/meta \
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${MIRROR_BASE}/sources/poky-scarthgap/meta-poky \
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${MIRROR_BASE}/sources/poky-scarthgap/meta-yocto-bsp \
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${MIRROR_BASE}/sources/meta-openembedded/meta-oe \
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${MIRROR_BASE}/sources/meta-openembedded/meta-python \
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${MIRROR_BASE}/sources/meta-openembedded/meta-networking \
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${MIRROR_BASE}/sources/meta-openembedded/meta-filesystems \
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${MIRROR_BASE}/sources/meta-tq/meta-tq \
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"
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```
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---
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## Step 7: First Build (Downloads All Sources)
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```bash
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# Still in build directory
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# This will download all required source packages
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bitbake core-image-minimal
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```
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**Expected duration:** 2-6 hours (first build, depending on hardware)
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**Expected duration:** 4-8 hours (first build, depends on hardware)
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**What happens:**
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1. BitBake parses all recipes
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2. Downloads source code for every package
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3. Builds toolchain, kernel, rootfs
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4. Creates deployment images
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1. BitBake parses all recipes from all layers
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2. Downloads source code for every package to `/srv/yocto/downloads`
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3. Populates shared state cache in `/srv/yocto/sstate-cache`
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4. Builds toolchain, kernel, bootloader, rootfs
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5. Creates deployment images in `build_ut/tmp/deploy/images/`
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---
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## Step 8: Create Source Mirror
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## Step 5: Create Source Mirror for Air-Gap
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### 8.1 Generate Mirror Tarballs
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### 5.1 Configure Premirror
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Add premirror configuration to site.conf:
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```bash
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# Create mirror directory
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mkdir -p ${MIRROR_BASE}/mirror
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cat >> ~/.yocto/site.conf <<'EOF'
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# Copy downloaded sources
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cp -r ${MIRROR_BASE}/downloads/* ${MIRROR_BASE}/mirror/ 2>/dev/null || true
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# --- Offline / Premirror Setup ---
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# These settings enable offline builds after mirror creation
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# Create source archive with archiver
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bitbake core-image-minimal -c do_populate_lic
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SOURCE_MIRROR_URL ?= "file:///srv/yocto/premirror/"
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INHERIT += "own-mirrors"
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PREMIRRORS:prepend = " \
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git://.*/.* file:///srv/yocto/premirror/ \n \
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ftp://.*/.* file:///srv/yocto/premirror/ \n \
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http://.*/.* file:///srv/yocto/premirror/ \n \
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https://.*/.* file:///srv/yocto/premirror/ \n \
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"
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EOF
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# Create premirror directory
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sudo mkdir -p /srv/yocto/premirror
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sudo chown -R "$USER:$USER" /srv/yocto
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```
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### 8.2 Collect License Information
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### 5.2 Fill Mirror with ci-meta-tq Script
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Use TQ's provided script to populate the mirror:
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```bash
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cd ${UT_BASE}/ci-meta-tq
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# Set machine and config
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export MACHINE=tqma6ulx-mba6ulx
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# Fill mirror (downloads all git repos and tarballs)
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ci/fill_mirror build_ut imx
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# Verify mirror contents
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ls -la /srv/yocto/premirror/
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du -sh /srv/yocto/premirror/
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du -sh /srv/yocto/downloads/
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du -sh /srv/yocto/sstate-cache/
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```
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### 5.3 Generate License Information
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```bash
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cd ${UT_BASE}/ci-meta-tq
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. ./setup-environment build_ut imx
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# Generate license manifest
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bitbake core-image-minimal -c do_populate_lic
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bitbake tq-image-small-debug -c do_populate_lic
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# Copy license files
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mkdir -p ${MIRROR_BASE}/licenses
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cp -r ${MIRROR_BASE}/build/tmp/deploy/licenses/* ${MIRROR_BASE}/licenses/
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mkdir -p ${UT_BASE}/mirror-bundle/licenses
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cp -r build_ut/tmp/deploy/licenses/* ${UT_BASE}/mirror-bundle/licenses/
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# Create license CSV (see separate script)
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# Create license table (see separate script)
|
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```
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---
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## Step 9: Package the Mirror
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## Step 6: Package the Mirror
|
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|
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### 9.1 Create Archive Structure
|
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### 6.1 Create Archive Structure
|
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|
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```bash
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cd ${MIRROR_BASE}
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cd ${UT_BASE}
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|
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# Create organized structure for approval
|
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mkdir -p mirror-package/{sources,licenses,build-instructions}
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mkdir -p UT-mirror-package/{sources,premirror,downloads,sstate-cache,licenses,configs}
|
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|
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# Copy source layers (git repositories)
|
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cp -r sources/* mirror-package/sources/
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# Copy ci-meta-tq repository (with submodules)
|
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cp -r ci-meta-tq UT-mirror-package/sources/
|
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|
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# Copy license information
|
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cp -r licenses/* mirror-package/licenses/ 2>/dev/null || true
|
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# Copy mirror contents
|
||||
cp -r /srv/yocto/premirror/* UT-mirror-package/premirror/ 2>/dev/null || true
|
||||
cp -r /srv/yocto/downloads/* UT-mirror-package/downloads/ 2>/dev/null || true
|
||||
|
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# Copy downloads (source tarballs)
|
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mkdir -p mirror-package/downloads
|
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cp -r downloads/* mirror-package/downloads/ 2>/dev/null || true
|
||||
# Copy licenses
|
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cp -r mirror-bundle/licenses/* UT-mirror-package/licenses/ 2>/dev/null || true
|
||||
|
||||
# Document the configuration
|
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cp build/conf/local.conf mirror-package/build-instructions/
|
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cp build/conf/bblayers.conf mirror-package/build-instructions/
|
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# Copy configuration
|
||||
cp ~/.yocto/site.conf UT-mirror-package/configs/
|
||||
cp ci-meta-tq/build_ut/conf/local.conf UT-mirror-package/configs/ 2>/dev/null || true
|
||||
cp ci-meta-tq/build_ut/conf/bblayers.conf UT-mirror-package/configs/ 2>/dev/null || true
|
||||
|
||||
# Create build script
|
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cat > UT-mirror-package/build-instructions/README.txt <<'EOF'
|
||||
UT Yocto Mirror Package
|
||||
=======================
|
||||
|
||||
Target: TQMa6UL on MBa6x (i.MX6 UltraLite)
|
||||
Yocto: Scarthgap 5.0 LTS
|
||||
BSP: TQ scarthgap.TQ.ARM.BSP.0006
|
||||
Build: UT (Universität/Projekt)
|
||||
2038 Status: Compliant (64-bit time_t on 32-bit ARM)
|
||||
|
||||
Directory Structure:
|
||||
- sources/ : ci-meta-tq repository with all submodules
|
||||
- premirror/ : Git repositories and source tarballs
|
||||
- downloads/ : Downloaded source files
|
||||
- sstate-cache/ : Build cache (optional)
|
||||
- licenses/ : License manifests for all packages
|
||||
- configs/ : Site configuration and build configs
|
||||
|
||||
See build-instructions/ for detailed deployment guide.
|
||||
EOF
|
||||
|
||||
# Create detailed deployment guide
|
||||
cp docs/04-deployment/corporate-network-deployment.md UT-mirror-package/build-instructions/
|
||||
```
|
||||
|
||||
### 9.2 Create Archive
|
||||
### 6.2 Create Compressed Archive
|
||||
|
||||
```bash
|
||||
cd ${MIRROR_BASE}
|
||||
cd ${UT_BASE}
|
||||
|
||||
# Create timestamped archive
|
||||
export TIMESTAMP=$(date +%Y%m%d-%H%M%S)
|
||||
export ARCHIVE_NAME="tqma6-yocto-mirror-scarthgap-${TIMESTAMP}.tar.gz"
|
||||
export ARCHIVE_NAME="UT-tqma6ul-yocto-scarthgap-${TIMESTAMP}.tar.gz"
|
||||
|
||||
tar czf ${ARCHIVE_NAME} \
|
||||
--exclude='.git/objects/pack/*' \
|
||||
mirror-package/
|
||||
--exclude='*.tmp' \
|
||||
--exclude='*.log' \
|
||||
UT-mirror-package/
|
||||
|
||||
# Calculate checksum
|
||||
# Calculate checksums
|
||||
sha256sum ${ARCHIVE_NAME} > ${ARCHIVE_NAME}.sha256
|
||||
md5sum ${ARCHIVE_NAME} > ${ARCHIVE_NAME}.md5
|
||||
|
||||
echo "Archive created: ${ARCHIVE_NAME}"
|
||||
echo "Size: $(du -h ${ARCHIVE_NAME} | cut -f1)"
|
||||
echo "SHA256: $(cat ${ARCHIVE_NAME}.sha256 | cut -d' ' -f1)"
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
## Step 10: Generate License Table
|
||||
## Step 7: Generate License Table
|
||||
|
||||
**See:** [License Table Generation Script](../03-license-analysis/generate-license-table.sh)
|
||||
### 7.1 Create License CSV
|
||||
|
||||
The license table must include:
|
||||
- Package name
|
||||
- Version
|
||||
- License (SPDX identifier)
|
||||
- License file location
|
||||
- Source location
|
||||
- Military use approval (Yes/No/Conditional)
|
||||
```bash
|
||||
cd ${UT_BASE}
|
||||
|
||||
# Generate from BitBake license manifest
|
||||
cat > generate-license-table.sh <<'SCRIPT'
|
||||
#!/bin/bash
|
||||
# Generate license table for software approval
|
||||
|
||||
OUTPUT="UT-license-table.csv"
|
||||
echo "Package,Version,Recipe,License,MilitaryUse,SourceLocation,Notes" > $OUTPUT
|
||||
|
||||
# Process license manifest
|
||||
find build_ut/tmp/deploy/licenses -name "*.csv" -o -name "*.manifest" | while read f; do
|
||||
# Parse and format for approval
|
||||
# This is a template - actual parsing depends on manifest format
|
||||
echo "Processing: $f"
|
||||
done
|
||||
|
||||
echo "License table generated: $OUTPUT"
|
||||
SCRIPT
|
||||
|
||||
chmod +x generate-license-table.sh
|
||||
```
|
||||
|
||||
### 7.2 Manual License Review
|
||||
|
||||
Key packages to verify for military use:
|
||||
|
||||
| Package | License | Military Use | Verification |
|
||||
|---------|---------|--------------|--------------|
|
||||
| linux-yocto | GPL-2.0-only | ✅ Yes | Kernel source included |
|
||||
| u-boot-tq | GPL-2.0+ | ✅ Yes | Source included |
|
||||
| glibc | LGPL-2.1+ | ✅ Yes | Source included |
|
||||
| busybox | GPL-2.0-only | ✅ Yes | Source included |
|
||||
| imx-firmware | Proprietary | ⚠️ Check | Review NXP license |
|
||||
|
||||
---
|
||||
|
||||
@@ -330,46 +374,39 @@ The license table must include:
|
||||
|
||||
Before delivering mirror:
|
||||
|
||||
- [ ] All git repositories cloned (poky, meta-openembedded, meta-tq)
|
||||
- [ ] Complete source downloads in `downloads/` directory
|
||||
- [ ] Build successful: `core-image-minimal` completed
|
||||
- [ ] License information generated in `licenses/`
|
||||
- [ ] ci-meta-tq cloned with all submodules
|
||||
- [ ] MACHINE=tqma6ulx-mba6ulx configured
|
||||
- [ ] Build "UT" completed successfully
|
||||
- [ ] /srv/yocto/downloads/ populated
|
||||
- [ ] /srv/yocto/premirror/ populated by ci/fill_mirror
|
||||
- [ ] License manifests generated
|
||||
- [ ] Archive created with timestamp
|
||||
- [ ] SHA256 checksum calculated
|
||||
- [ ] License compliance table generated
|
||||
- [ ] License table (CSV) generated
|
||||
|
||||
---
|
||||
|
||||
## Troubleshooting
|
||||
## Deliverables for Software Approval
|
||||
|
||||
### Problem: Fetch failures during build
|
||||
|
||||
**Solution:** Check internet connectivity, proxy settings. Some corporate networks block git:// protocol:
|
||||
```bash
|
||||
git config --global url."https://".insteadOf git://
|
||||
```
|
||||
|
||||
### Problem: Disk space exhausted
|
||||
|
||||
**Solution:** Ensure at least 100GB free. Clean build if needed:
|
||||
```bash
|
||||
bitbake -c cleanall core-image-minimal
|
||||
```
|
||||
|
||||
### Problem: Permission denied
|
||||
|
||||
**Solution:** Ensure proper user permissions, avoid building as root.
|
||||
1. **UT-mirror-package.tar.gz** - Complete source mirror
|
||||
2. **UT-license-table.csv** - License compliance table
|
||||
3. **SHA256 checksums** - Integrity verification
|
||||
4. **Build instructions** - Corporate deployment guide
|
||||
5. **2038-compliance-doc** - Analysis document
|
||||
|
||||
---
|
||||
|
||||
## Next Steps
|
||||
|
||||
1. **Transfer archive** to corporate network (USB, secure transfer)
|
||||
1. **Transfer archive** to corporate network (secure USB transfer)
|
||||
2. **Submit for software approval** with license table
|
||||
3. **Deploy in corporate environment** following [Deployment Guide](../04-deployment/corporate-network-deployment.md)
|
||||
3. **Deploy in air-gapped environment** per deployment guide
|
||||
4. **Build verification** - confirm offline build succeeds
|
||||
|
||||
---
|
||||
|
||||
**Document Version:** 1.0
|
||||
**Document Version:** 2.0
|
||||
**Author:** Siggi ⚙️
|
||||
**Build Name:** UT
|
||||
**Target:** TQMa6UL
|
||||
**Last Updated:** 2026-03-01
|
||||
|
||||
Reference in New Issue
Block a user