Change to a workspace with two members, and add CI.

.github/workflows/build.yml

@@ -0,0 +1,150 @@
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+
+name: Build
+
+jobs:
+  # Build the workspace for a target architecture
+  build:
+    runs-on: ubuntu-24.04
+    strategy:
+      matrix:
+        rust: [stable, 1.59]
+        target:
+          - armebv7r-none-eabi
+          - armebv7r-none-eabihf
+          - armv7r-none-eabi
+          - armv7r-none-eabihf
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Install rust
+        run: |
+          rustup install ${{ matrix.rust }}
+          rustup default ${{ matrix.rust }}
+          rustup target add ${{ matrix.target }}
+      - name: Build
+        run: |
+          cargo build --target ${{ matrix.target }}
+          cargo build --target ${{ matrix.target }} --no-default-features
+          cargo build --target ${{ matrix.target }} --all-features
+
+  # Build the workspace for the target architecture but using nightly to compile libcore
+  build-tier3:
+    runs-on: ubuntu-24.04
+    strategy:
+      matrix:
+        target:
+          - armebv7r-none-eabi
+          - armebv7r-none-eabihf
+          - armv7r-none-eabi
+          - armv7r-none-eabihf
+          - armv8r-none-eabihf
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Install rust
+        run: |
+          rustup install nightly
+          rustup default nightly
+          rustup component add rust-src --toolchain nightly
+      - name: Build
+        run: |
+          cargo build --target ${{ matrix.target }} -Zbuild-std=core
+          cargo build --target ${{ matrix.target }} -Zbuild-std=core --no-default-features
+          cargo build --target ${{ matrix.target }} -Zbuild-std=core --all-features
+
+  # Gather all the above build jobs together for the purposes of getting an overall pass-fail
+  build-all:
+    runs-on: ubuntu-24.04
+    needs: [build, build-tier3]
+    steps:
+      - run: /bin/true
+
+  # Build the docs for the workspace
+  docs:
+    runs-on: ubuntu-24.04
+    strategy:
+      matrix:
+        rust: [stable, 1.59]
+        target:
+          - armebv7r-none-eabi
+          - armebv7r-none-eabihf
+          - armv7r-none-eabi
+          - armv7r-none-eabihf
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Install rust
+        run: |
+          rustup install ${{ matrix.rust }}
+          rustup default ${{ matrix.rust }}
+          rustup target add ${{ matrix.target }}
+      - name: Build docs
+        run: |
+          cargo doc --target ${{ matrix.target }}
+          cargo doc --target ${{ matrix.target }} --no-default-features
+          cargo doc --target ${{ matrix.target }} --all-features
+
+  # Format the workspace
+  fmt:
+    runs-on: ubuntu-24.04
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Install rust
+        run: |
+          rustup install stable
+          rustup default stable
+      - name: Format
+        run: |
+          cargo fmt --check
+
+  # Run clippy on the workpace
+  clippy:
+    runs-on: ubuntu-24.04
+    strategy:
+      matrix:
+        rust: [stable, 1.59]
+        target:
+          - armebv7r-none-eabi
+          - armebv7r-none-eabihf
+          - armv7r-none-eabi
+          - armv7r-none-eabihf
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Install rust
+        run: |
+          rustup install ${{ matrix.rust }}
+          rustup default ${{ matrix.rust }}
+          rustup target add ${{ matrix.target }}
+          rustup component add clippy
+      - name: Clippy
+        run: |
+          cargo clippy --target ${{ matrix.target }}
+          cargo clippy --target ${{ matrix.target }} --no-default-features
+          cargo clippy --target ${{ matrix.target }} --all-features
+
+  # Run the unit tests
+  unit-test:
+    runs-on: ubuntu-24.04
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Install rust
+        run: |
+          rustup install stable
+          rustup default stable
+      - name: Run cargo test
+        run: |
+          cargo test --workspace --exclude panic-dcc
+
+  # Gather all the above xxx-all jobs together for the purposes of getting an overall pass-fail
+  all:
+    runs-on: ubuntu-24.04
+    needs: [build-all, docs, fmt, unit-test] # not gating on clippy
+    steps:
+      - run: /bin/true

Cargo.toml

@@ -1,20 +1,6 @@
-[package]
-authors = [
-    "The Cortex-R Team <cortex-r@teams.rust-embedded.org>",
-    "Jorge Aparicio <jorge@japaric.io>",
-]
-categories = ["embedded", "hardware-support", "no-std"]
-description = "Debug Communication Channel (DCC) API"
-edition = "2018"
-keywords = ["ARM", "DCC"]
-license = "MIT OR Apache-2.0"
-name = "arm-dcc"
-repository = "https://github.com/rust-embedded/arm-dcc"
-rust-version = "1.59"
-version = "0.1.0"
-
-[features]
-nop = []
-
 [workspace]
-members = ["panic"]
+members = [
+  "panic-dcc",
+  "arm-dcc",
+]
+resolver = "2"

LICENSE-MIT

@@ -1,4 +1,5 @@
 Copyright (c) 2018-2019 Jorge Aparicio
+Copyright (c) Rust Embedded Devices Working Group developers
 
 Permission is hereby granted, free of charge, to any
 person obtaining a copy of this software and associated

README.md

@@ -6,9 +6,9 @@
 
 This project is developed and maintained by the [Cortex-R team][team].
 
-# Minimum Supported Rust Version (MSRV)
+## Minimum Supported Rust Version (MSRV)
 
-This crate is guaranteed to compile on stable Rust 1.31.0 and up. It *might*
+This crate is guaranteed to compile on stable Rust 1.59 and up. It *might*
 compile with older versions but that may change in any new patch release.
 
 ## License

arm-dcc/Cargo.toml

@@ -0,0 +1,17 @@
+[package]
+authors = [
+    "The Cortex-R Team <cortex-r@teams.rust-embedded.org>",
+    "Jorge Aparicio <jorge@japaric.io>",
+]
+categories = ["embedded", "hardware-support", "no-std"]
+description = "Debug Communication Channel (DCC) API"
+edition = "2018"
+keywords = ["ARM", "DCC"]
+license = "MIT OR Apache-2.0"
+name = "arm-dcc"
+repository = "https://github.com/rust-embedded/arm-dcc"
+rust-version = "1.59"
+version = "0.1.0"
+
+[features]
+nop = []

src/lib.rs → arm-dcc/src/lib.rs

@@ -150,6 +150,7 @@ pub fn write_str(string: &str) {
     write_all(string.as_bytes())
 }
 
+#[cfg(target_arch = "arm")]
 core::arch::global_asm!(
     r#"
     // Routine for putting data in the DCC register

panic/Cargo.toml → panic-dcc/Cargo.toml

@@ -14,4 +14,4 @@ rust-version = "1.59"
 version = "0.1.0"
 
 [dependencies]
-arm-dcc = { path = "..", version = "0.1.0" }
+arm-dcc = { path = "../arm-dcc", version = "0.1.0" }