Add example kernels and azure pipelines CI script

Author: phil-opp

azure-pipelines.yml

@@ -0,0 +1,127 @@
+# Documentation: https://aka.ms/yaml
+
+trigger:
+  batch: true
+  branches:
+    include:
+    # This is where pull requests from "bors r+" are built.
+    - staging
+    # This is where pull requests from "bors try" are built.
+    - trying
+    # Build pull requests.
+    - master
+
+strategy:
+  matrix:
+    linux:
+      image_name: 'ubuntu-16.04'
+      rustup_toolchain: stable
+    mac:
+      image_name: 'macos-10.13'
+      rustup_toolchain: stable
+    windows:
+      image_name: 'vs2017-win2016'
+      rustup_toolchain: stable
+
+pool:
+  vmImage: $(image_name)
+
+steps:
+- bash: |
+    echo "Hello world from $AGENT_NAME running on $AGENT_OS"
+    echo "Reason: $BUILD_REASON"
+    case "$BUILD_REASON" in
+            "Manual") echo "$BUILD_REQUESTEDFOR manually queued the build." ;;
+            "PullRequest") echo "This is a CI build for a pull request on $BUILD_REQUESTEDFOR." ;;
+            "IndividualCI") echo "This is a CI build for $BUILD_REQUESTEDFOR." ;;
+            "BatchedCI") echo "This is a batched CI build for $BUILD_REQUESTEDFOR." ;;
+        *) "$BUILD_REASON" ;;
+    esac
+  displayName: 'Build Info'
+  continueOnError: true
+
+- script: |
+    set -euxo pipefail
+    curl https://sh.rustup.rs -sSf | sh -s -- -y --default-toolchain $RUSTUP_TOOLCHAIN
+    echo "##vso[task.setvariable variable=PATH;]$PATH:$HOME/.cargo/bin"
+  condition: or(eq( variables['Agent.OS'], 'Linux' ),  eq( variables['Agent.OS'], 'Darwin' ))
+  displayName: 'Install Rust (Linux/macOS)'
+
+- script: curl -sSf -o rustup-init.exe https://win.rustup.rs && rustup-init.exe -y --default-toolchain %RUSTUP_TOOLCHAIN%
+  condition: eq( variables['Agent.OS'], 'Windows_NT' )
+  displayName: 'Install Rust (Windows)'
+
+- script: |
+    echo ##vso[task.setvariable variable=PATH;]%PATH%;%USERPROFILE%\.cargo\bin
+  condition: eq( variables['Agent.OS'], 'Windows_NT' )
+  displayName: 'Add ~/.cargo/bin to PATH (Windows)'
+
+- script: |
+    rustc -Vv
+    cargo -V
+  displayName: 'Print Rust Version'
+  continueOnError: true
+
+- script: cargo build
+  displayName: 'Build'
+
+- script: cargo test
+  displayName: 'Test'
+
+- script: rustup component add rust-src llvm-tools-preview
+  displayName: 'Install Rustup Components'
+
+- script: cargo install cargo-xbuild --debug
+  displayName: 'Install cargo-xbuild'
+
+- script: sudo apt update && sudo apt install qemu-system-x86
+  condition: eq( variables['Agent.OS'], 'Linux' )
+  displayName: 'Install QEMU (Linux)'
+
+- script: |
+    set -euxo pipefail
+    export HOMEBREW_NO_AUTO_UPDATE=1
+    export HOMEBREW_NO_BOTTLE_SOURCE_FALLBACK=1
+    export HOMEBREW_NO_INSTALL_CLEANUP=1
+    brew install qemu
+  condition: eq( variables['Agent.OS'], 'Darwin' )
+  displayName: 'Install QEMU (macOS)'
+
+- script: |
+    choco install qemu --limit-output --no-progress
+    echo ##vso[task.setvariable variable=PATH;]%PATH%;C:\Program Files\qemu
+    set PATH=%PATH%;C:\Program Files\qemu
+    qemu-system-x86_64 --version
+  condition: eq( variables['Agent.OS'], 'Windows_NT' )
+  failOnStderr: true
+  displayName: 'Install QEMU (Windows)'
+
+- script: cargo install --path . --force --debug
+  displayName: 'Install this bootimage version'
+
+- script: rustup toolchain add nightly
+  displayName: 'Install Rust Nightly'
+
+- script: bootimage build --target x86_64-basic.json && file target/x86_64-basic/debug/bootimage-basic.bin
+  workingDirectory: example-kernels/basic
+  displayName: 'Build Example Kernel "Basic"'
+
+- script: bootimage run --target x86_64-basic.json
+  workingDirectory: example-kernels/basic
+  displayName: 'Run Example Kernel "basic"'
+
+- script: bootimage build && file target/x86_64-default-target/debug/bootimage-default-target-bootimage.bin
+  workingDirectory: example-kernels/default-target-bootimage
+  displayName: 'Build Example Kernel "default-target-bootimage"'
+
+- script: bootimage run
+  workingDirectory: example-kernels/default-target-bootimage
+  displayName: 'Run Example Kernel "default-target-bootimage"'
+
+- script: bootimage build && file target/x86_64-default-target/debug/bootimage-default-target-cargo.bin
+  workingDirectory: example-kernels/default-target-cargo
+  displayName: 'Build Example Kernel "default-target-cargo"'
+
+- script: bootimage run
+  workingDirectory: example-kernels/default-target-cargo
+  displayName: 'Run Example Kernel "default-target-cargo"'

example-kernels/basic/.gitignore

@@ -0,0 +1,2 @@
+/target/
+**/*.rs.bk