Merge cortex-m-rt into this repository

.github/bors.toml

@@ -4,6 +4,10 @@ required_approvals = 1
 status = [
   "ci-linux (stable)",
   "ci-linux (1.40.0)",
+  "rt-ci-linux (stable)",
+  "rt-ci-linux (1.40.0)",
+  "rt-ci-other-os (macOS-latest)",
+  "rt-ci-other-os (windows-latest)",
   "rustfmt",
   "clippy",
 ]

.github/workflows/ci.yml

@@ -3,7 +3,7 @@ on:
     branches: [ staging, trying, master ]
   pull_request:
 
-name: CI
+name: cortex-m CI
 
 jobs:
   ci-linux:
@@ -29,6 +29,6 @@ jobs:
           toolchain: ${{ matrix.rust }}
           override: true
       - name: Run tests
-        run: cargo test --all
+        run: cargo test --all --exclude cortex-m-rt
 
 # FIXME: test on macOS and Windows

.github/workflows/clippy.yml

@@ -23,3 +23,4 @@ jobs:
       - uses: actions-rs/clippy-check@v1
         with:
           token: ${{ secrets.GITHUB_TOKEN }}
+          args: --all

.github/workflows/cron.yml

@@ -28,3 +28,48 @@ jobs:
             https://github.com/${{ github.repository }}/actions/runs/${{ github.run_id }}
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+  rt-ci-linux:
+    runs-on: ubuntu-20.04
+    continue-on-error: ${{ matrix.experimental || false }}
+    defaults:
+      run:
+        working-directory: cortex-m-rt
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions-rs/toolchain@v1
+        with:
+          profile: minimal
+          toolchain: stable
+          override: true
+      - name: Install all Rust targets for stable
+        run: rustup target install --toolchain=stable thumbv6m-none-eabi thumbv7m-none-eabi thumbv7em-none-eabi thumbv7em-none-eabihf thumbv8m.base-none-eabi thumbv8m.main-none-eabi thumbv8m.main-none-eabihf
+      - name: Install qemu and gcc
+        run: sudo apt-get update && sudo apt-get install qemu-system-arm gcc-arm-none-eabi
+      - name: Run CI script for x86_64-unknown-linux-gnu under stable
+        run: TARGET=x86_64-unknown-linux-gnu TRAVIS_RUST_VERSION=stable bash ci/script.sh
+      - name: Run CI script for thumbv6m-none-eabi under stable
+        run: TARGET=thumbv6m-none-eabi TRAVIS_RUST_VERSION=stable bash ci/script.sh
+      - name: Run CI script for thumbv7m-none-eabi under stable
+        run: TARGET=thumbv7m-none-eabi TRAVIS_RUST_VERSION=stable bash ci/script.sh
+      - name: Run CI script for thumbv7em-none-eabi under stable
+        run: TARGET=thumbv7em-none-eabi TRAVIS_RUST_VERSION=stable bash ci/script.sh
+      - name: Run CI script for thumbv7em-none-eabihf under stable
+        run: TARGET=thumbv7em-none-eabihf TRAVIS_RUST_VERSION=stable bash ci/script.sh
+      - name: Run CI script for thumbv8m.base-none-eabi under stable
+        run: TARGET=thumbv8m.base-none-eabi TRAVIS_RUST_VERSION=stable bash ci/script.sh
+      - name: Run CI script for thumbv8m.main-none-eabi under stable
+        run: TARGET=thumbv8m.main-none-eabi TRAVIS_RUST_VERSION=stable bash ci/script.sh
+      - name: Run CI script for thumbv8m.main-none-eabihf under stable
+        run: TARGET=thumbv8m.main-none-eabihf TRAVIS_RUST_VERSION=stable bash ci/script.sh
+      - uses: imjohnbo/issue-bot@v2
+        if: failure()
+        with:
+          title: CI Failure
+          labels: ci
+          body: |
+            Scheduled CI run failed. Details:
+
+            https://github.com/${{ github.repository }}/actions/runs/${{ github.run_id }}
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/rt-ci.yml

@@ -0,0 +1,87 @@
+on:
+  push:
+    branches: [ staging, trying, master ]
+  pull_request:
+
+name: cortex-m-rt CI
+
+jobs:
+  rt-ci-linux:
+    runs-on: ubuntu-20.04
+    continue-on-error: ${{ matrix.experimental || false }}
+    strategy:
+      matrix:
+        # All generated code should be running on stable now
+        rust: [nightly, stable, 1.40.0]
+
+        include:
+          # Nightly is only for reference and allowed to fail
+          - rust: nightly
+            experimental: true
+    defaults:
+      run:
+        working-directory: cortex-m-rt
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions-rs/toolchain@v1
+        with:
+          profile: minimal
+          toolchain: ${{ matrix.rust }}
+          override: true
+      - name: Install all Rust targets for ${{ matrix.rust }}
+        run: rustup target install --toolchain=${{ matrix.rust }} thumbv6m-none-eabi thumbv7m-none-eabi thumbv7em-none-eabi thumbv7em-none-eabihf thumbv8m.base-none-eabi thumbv8m.main-none-eabi thumbv8m.main-none-eabihf
+      - name: Install qemu and gcc
+        run: sudo apt-get update && sudo apt-get install qemu-system-arm gcc-arm-none-eabi
+      - name: Run CI script for x86_64-unknown-linux-gnu under ${{ matrix.rust }}
+        run: TARGET=x86_64-unknown-linux-gnu TRAVIS_RUST_VERSION=${{ matrix.rust }} bash ci/script.sh
+      - name: Run CI script for thumbv6m-none-eabi under ${{ matrix.rust }}
+        run: TARGET=thumbv6m-none-eabi TRAVIS_RUST_VERSION=${{ matrix.rust }} bash ci/script.sh
+      - name: Run CI script for thumbv7m-none-eabi under ${{ matrix.rust }}
+        run: TARGET=thumbv7m-none-eabi TRAVIS_RUST_VERSION=${{ matrix.rust }} bash ci/script.sh
+      - name: Run CI script for thumbv7em-none-eabi under ${{ matrix.rust }}
+        run: TARGET=thumbv7em-none-eabi TRAVIS_RUST_VERSION=${{ matrix.rust }} bash ci/script.sh
+      - name: Run CI script for thumbv7em-none-eabihf under ${{ matrix.rust }}
+        run: TARGET=thumbv7em-none-eabihf TRAVIS_RUST_VERSION=${{ matrix.rust }} bash ci/script.sh
+      - name: Run CI script for thumbv8m.base-none-eabi under ${{ matrix.rust }}
+        run: TARGET=thumbv8m.base-none-eabi TRAVIS_RUST_VERSION=${{ matrix.rust }} bash ci/script.sh
+      - name: Run CI script for thumbv8m.main-none-eabi under ${{ matrix.rust }}
+        run: TARGET=thumbv8m.main-none-eabi TRAVIS_RUST_VERSION=${{ matrix.rust }} bash ci/script.sh
+      - name: Run CI script for thumbv8m.main-none-eabihf under ${{ matrix.rust }}
+        run: TARGET=thumbv8m.main-none-eabihf TRAVIS_RUST_VERSION=${{ matrix.rust }} bash ci/script.sh
+
+  # On macOS and Windows, we at least make sure that all examples build and link.
+  rt-ci-other-os:
+    strategy:
+      matrix:
+        os:
+          - macOS-latest
+          - windows-latest
+    runs-on: ${{ matrix.os }}
+    defaults:
+      run:
+        working-directory: cortex-m-rt
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions-rs/toolchain@v1
+        with:
+          profile: minimal
+          toolchain: stable
+          override: true
+      - name: Install all Rust targets
+        run: rustup target install thumbv6m-none-eabi thumbv7m-none-eabi thumbv7em-none-eabi thumbv7em-none-eabihf thumbv8m.base-none-eabi thumbv8m.main-none-eabi thumbv8m.main-none-eabihf
+      - name: Build examples for thumbv6m-none-eabi
+        run: cargo build --target=thumbv6m-none-eabi --examples
+      - name: Build examples for thumbv7m-none-eabi
+        run: cargo build --target=thumbv7m-none-eabi --examples
+      - name: Build examples for thumbv7em-none-eabi
+        run: cargo build --target=thumbv7em-none-eabi --examples
+      - name: Build examples for thumbv7em-none-eabihf
+        run: cargo build --target=thumbv7em-none-eabihf --examples
+      - name: Build examples for thumbv8m.base-none-eabi
+        run: cargo build --target=thumbv8m.base-none-eabi --examples
+      - name: Build examples for thumbv8m.main-none-eabi
+        run: cargo build --target=thumbv8m.main-none-eabi --examples
+      - name: Build examples for thumbv8m.main-none-eabihf
+        run: cargo build --target=thumbv8m.main-none-eabihf --examples
+      - name: Build crate for host OS
+        run: cargo build

Cargo.toml

@@ -34,7 +34,13 @@ linker-plugin-lto = []
 std = []
 
 [workspace]
-members = ["xtask", "cortex-m-semihosting", "panic-semihosting", "panic-itm"]
+members = [
+    "xtask",
+    "cortex-m-rt",
+    "cortex-m-semihosting",
+    "panic-semihosting",
+    "panic-itm"
+]
 
 [package.metadata.docs.rs]
 targets = [

cortex-m-rt/.cargo/config

@@ -0,0 +1,34 @@
+[target.thumbv6m-none-eabi]
+runner = "qemu-system-arm -cpu cortex-m0 -machine lm3s6965evb -nographic -semihosting-config enable=on,target=native -kernel"
+
+[target.thumbv7m-none-eabi]
+runner = "qemu-system-arm -cpu cortex-m3 -machine lm3s6965evb -nographic -semihosting-config enable=on,target=native -kernel"
+
+[target.thumbv7em-none-eabi]
+runner = "qemu-system-arm -cpu cortex-m4 -machine lm3s6965evb -nographic -semihosting-config enable=on,target=native -kernel"
+
+[target.thumbv7em-none-eabihf]
+runner = "qemu-system-arm -cpu cortex-m4 -machine lm3s6965evb -nographic -semihosting-config enable=on,target=native -kernel"
+
+[target.'cfg(all(target_arch = "arm", target_os = "none"))']
+# uncomment ONE of these three option to make `cargo run` start a GDB session
+# which option to pick depends on your system
+# runner = "arm-none-eabi-gdb -q -x openocd.gdb"
+# runner = "gdb-multiarch -q -x openocd.gdb"
+# runner = "gdb -q -x openocd.gdb"
+
+rustflags = [
+  # LLD (shipped with the Rust toolchain) is used as the default linker
+  "-C", "link-arg=-Tlink.x",
+
+  # if you run into problems with LLD switch to the GNU linker by commenting out
+  # this line
+  # "-C", "linker=arm-none-eabi-ld",
+
+  # if you need to link to pre-compiled C libraries provided by a C toolchain
+  # use GCC as the linker by commenting out both lines above and then
+  # uncommenting the three lines below
+  # "-C", "linker=arm-none-eabi-gcc",
+  # "-C", "link-arg=-Wl,-Tlink.x",
+  # "-C", "link-arg=-nostartfiles",
+]

cortex-m-rt/.gitignore

@@ -0,0 +1,7 @@
+**/*.rs.bk
+.#*
+Cargo.lock
+bin/*.after
+bin/*.before
+bin/*.o
+target/