Adapt CI to the new build system

The temporary SVD files are now generated in $OUT_DIR/svd instead of a
temp directory, so that we can upload them for inspection as part of the
CI output.

Author: LuigiPiucco

.github/workflows/ci.yml

@@ -21,44 +21,13 @@ jobs:
           toolchain: stable
 
       # Rust Dependencies
-      - name: Cache Cargo installed binaries
-        uses: actions/cache@v4
-        id: cache-cargo
-        with:
-          path: ~/cargo-bin
-          key: rust-tools-20250106-001
-      - name: Install svd2rust
-        if: steps.cache-cargo.outputs.cache-hit != 'true'
-        run: cargo install svd2rust --version 0.28.0 --locked
-      - name: Install cargo-form
-        if: steps.cache-cargo.outputs.cache-hit != 'true'
-        run: cargo install form --version 0.8.0 --locked
-      - name: Install atdf2svd
-        if: steps.cache-cargo.outputs.cache-hit != 'true'
-        run: cargo install atdf2svd --version 0.5.0 --locked
-      - name: Install svdtools
-        if: steps.cache-cargo.outputs.cache-hit != 'true'
-        run: cargo install svdtools --version 0.4.0 --locked
-      - name: Copy tools to cache directory
-        if: steps.cache-cargo.outputs.cache-hit != 'true'
-        run: |
-          mkdir ~/cargo-bin
-          cp ~/.cargo/bin/svd2rust ~/cargo-bin
-          cp ~/.cargo/bin/form ~/cargo-bin
-          cp ~/.cargo/bin/atdf2svd ~/cargo-bin
-          cp ~/.cargo/bin/svdtools ~/cargo-bin
-      - name: Put new cargo binary directory into path
-        run: echo "$HOME/cargo-bin" >> $GITHUB_PATH
-
       - name: Install Nightly Rust
         uses: actions-rust-lang/setup-rust-toolchain@v1
         with:
           toolchain: nightly-2023-08-08
           components: rustfmt
 
       # Actual test run
-      - name: Generate chip description sources
-        run: make RUSTUP_TOOLCHAIN=nightly-2023-08-08
       - name: Test-compile the crate
         run: cargo check --all-features
 
@@ -73,7 +42,7 @@ jobs:
         with:
           name: avr-device
           path: |
-            svd/
+            target/avr-atmega328p/debug/build/avr-device-*/out/svd/
             target/package/avr-device-*.crate
             macros/target/package/avr-device-macros-*.crate
 
@@ -91,6 +60,4 @@ jobs:
       - name: Install AVR gcc, binutils, and libc
         run: sudo apt-get install -y avr-libc binutils-avr gcc-avr
       - name: Build ATmega328P example
-        run: cd examples/atmega328p && cargo build
-      - name: Check ATmega328P formatting
-        run: cd examples/atmega328p && cargo fmt --check
+        run: cargo build --example atmega328p --features atmega328p,rt

Cargo.toml

@@ -19,6 +19,7 @@ include = [
     "/src/**/*.rs",
     "/vendor/*.atdf",
     "/vendor/LICENSE",
+    "/examples/**/src/*.rs"
 ]
 
 [package.metadata.docs.rs]

build.rs

@@ -75,9 +75,14 @@ fn build_mcu_module(mcu: &str) {
     let patch_file = patch_dir.join(format!("{}.yaml", mcu));
     println!("cargo::rerun-if-changed={}", patch_file.display());
 
+    let out_dir = env::var("OUT_DIR").unwrap();
     // Get a temporary directory to work inside.
-    let temp_dir = env::temp_dir().join(format!("avr-device-build-{}", mcu));
-    ensure_directory(&temp_dir);
+    let svd_dir = Path::new(&out_dir).join("svd");
+    ensure_directory(&svd_dir);
+    let svd_unpatched_dir = svd_dir.join("unpatched");
+    ensure_directory(&svd_unpatched_dir);
+    let svd_patched_dir = svd_dir.join("patched");
+    ensure_directory(&svd_patched_dir);
 
     // Apply atdf2svd.
     let atdf_reader = File::open(&atdf_file).unwrap();
@@ -88,7 +93,7 @@ fn build_mcu_module(mcu: &str) {
             panic!("Failed to parse \"{}\"!", atdf_file.display());
         }
     };
-    let svd_file = temp_dir.join("unpatched.svd");
+    let svd_file = svd_unpatched_dir.join(mcu).with_extension("svd");
     let svd_writer = File::create(&svd_file).unwrap();
     if let Err(what) = svd::generate(&atdf_parsed, svd_writer) {
         let _ = what.format(&mut io::stdout());
@@ -107,9 +112,9 @@ _include:
             svd_file.display(),
             patch_file.display()
         );
-        let includer_file = temp_dir.join("patch.yaml");
+        let includer_file = svd_dir.join("patch.yaml");
         fs::write(&includer_file, &includer_content).unwrap();
-        let svd_patched_file = temp_dir.join("patched.svd");
+        let svd_patched_file = svd_patched_dir.join(mcu).with_extension("svd");
         patch::process_file(
             &includer_file,
             Some(&svd_patched_file),
@@ -126,7 +131,6 @@ _include:
     }
 
     // Apply svd2rust.
-    let out_dir = env::var("OUT_DIR").unwrap();
     let pac_dir = Path::new(&out_dir).join("pac");
     ensure_directory(&pac_dir);
     let mut svd2rust_config = config::Config::default();