Add ThreadX on Cortex-R demo

.github/workflows/build-ferrocene.yml

@@ -5,7 +5,7 @@ name: workflow-build-everything-ferrocene
 run-name: Build Everything with Ferrocene
 on: [push]
 jobs:
-  job-build-demo-app:
+  job-build-nrf52-app:
     runs-on: ubuntu-latest
     steps:
       - name: Install Arm C compiler
@@ -27,23 +27,62 @@ jobs:
           slug=$(./describe.sh "${GITHUB_REF}")
           echo "Building with slug '${slug}'"
           echo "BUILD_SLUG=${slug}" >> "${GITHUB_ENV}"
-      - name: Check Demo App
+      - name: Check nRF52 App
         run: |
-          cd demo-app
+          cd nrf52-app
           rustc --version
           cargo --version
           cargo check --target=thumbv7em-none-eabi
-      - name: Build Demo App
+      - name: Build nRF52 App
         run: |
-          cd demo-app
+          cd nrf52-app
           rustc --version
           cargo --version
           cargo build --target=thumbv7em-none-eabi --release
-      - name: Upload demo-app
+      - name: Upload nrf52-app
         uses: actions/upload-artifact@master
         with:
-          name: demo-app
-          path: demo-app/target/thumbv7em-none-eabi/release/demo-app
+          name: nrf52-app
+          path: nrf52-app/target/thumbv7em-none-eabi/release/nrf52-app
+  job-build-qemu-cortex-r5-app:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Install Arm C compiler
+        run: |
+          sudo apt-get update -y && sudo apt-get -y install gcc-arm-none-eabi
+          curl --proto '=https' --tlsv1.2 -LsSf https://github.com/ferrocene/criticalup/releases/download/v1.0.1/criticalup-installer.sh | sh
+      - name: Checkout repo
+        uses: actions/checkout@v4
+        with:
+          submodules: 'true'
+      - name: Install Ferrocene
+        env:
+          CRITICALUP_TOKEN: ${{ secrets.CRITICALUP_TOKEN }}
+        run: |
+          criticalup install
+          echo "$HOME/.local/share/criticalup/bin" >> $GITHUB_PATH
+      - name: Find slug name
+        run: |
+          slug=$(./describe.sh "${GITHUB_REF}")
+          echo "Building with slug '${slug}'"
+          echo "BUILD_SLUG=${slug}" >> "${GITHUB_ENV}"
+      - name: Check QEMU Cortex-R5 App
+        run: |
+          cd qemu-cortex-r5-app
+          rustc --version
+          cargo --version
+          cargo check --target=armv7r-none-eabihf
+      - name: Build QEMU Cortex-R5 App
+        run: |
+          cd qemu-cortex-r5-app
+          rustc --version
+          cargo --version
+          cargo build --target=armv7r-none-eabihf --release
+      - name: Upload QEMU Cortex-R5 App
+        uses: actions/upload-artifact@master
+        with:
+          name: qemu-cortex-r5-app
+          path: qemu-cortex-r5-app/target/armv7r-none-eabihf/release/qemu-cortex-r5-app
   job-build-threadx-sys:
     runs-on: ubuntu-latest
     steps:

.github/workflows/build.yml

@@ -5,7 +5,7 @@ name: workflow-build-everything
 run-name: Build Everything
 on: [push]
 jobs:
-  job-build-demo-app:
+  job-build-nrf52-app:
     runs-on: ubuntu-latest
     steps:
       - name: Install Arm C compiler
@@ -27,19 +27,50 @@ jobs:
           slug=$(./describe.sh "${GITHUB_REF}")
           echo "Building with slug '${slug}'"
           echo "BUILD_SLUG=${slug}" >> "${GITHUB_ENV}"
-      - name: Check Demo App
+      - name: Check nRF52 App
         run: |
-          cd demo-app
+          cd nrf52-app
           cargo check --target=thumbv7em-none-eabi
-      - name: Build Demo App
+      - name: Build nRF52 App
         run: |
-          cd demo-app
+          cd nrf52-app
           cargo build --target=thumbv7em-none-eabi --release
-      - name: Upload demo-app
+      - name: Upload nrf52-app
         uses: actions/upload-artifact@master
         with:
-          name: demo-app
-          path: demo-app/target/thumbv7em-none-eabi/release/demo-app
+          name: nrf52-app
+          path: nrf52-app/target/thumbv7em-none-eabi/release/nrf52-app
+  job-build-qemu-cortex-r5-app:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Install Arm C compiler
+        run: |
+          sudo apt-get update -y && sudo apt-get -y install gcc-arm-none-eabi
+      - name: Checkout repo
+        uses: actions/checkout@v4
+        with:
+          submodules: 'true'
+      - name: Add rustup target
+        run: |
+          rustup target add armv7r-none-eabihf
+      - name: Find slug name
+        run: |
+          slug=$(./describe.sh "${GITHUB_REF}")
+          echo "Building with slug '${slug}'"
+          echo "BUILD_SLUG=${slug}" >> "${GITHUB_ENV}"
+      - name: Check QEMU Cortex-R5 App
+        run: |
+          cd qemu-cortex-r5-app
+          cargo check --target=armv7r-none-eabihf
+      - name: Build QEMU Cortex-R5 App
+        run: |
+          cd qemu-cortex-r5-app
+          cargo build --target=armv7r-none-eabihf --release
+      - name: Upload qemu-cortex-r5-app
+        uses: actions/upload-artifact@master
+        with:
+          name: qemu-cortex-r5-app
+          path: qemu-cortex-r5-app/target/armv7r-none-eabihf/release/qemu-cortex-r5-app
   job-build-threadx-sys:
     runs-on: ubuntu-latest
     steps:

.github/workflows/clippy.yml

@@ -5,7 +5,7 @@ name: workflow-code-analysis
 run-name: Run code analysis
 on: [push]
 jobs:
-  job-clippy-demo-app:
+  job-clippy-nrf52-app:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout repo
@@ -18,11 +18,30 @@ jobs:
       - name: Add rustup target
         run: |
           rustup target add thumbv7em-none-eabi
-      - name: Check Clippy on Demo App
+      - name: Check Clippy on nRF52 App
         env:
           RUSTFLAGS: "-Dwarnings"
         run: |
-          cd demo-app
+          cd nrf52-app
+          cargo clippy --all-features
+  job-clippy-qemu-cortex-r5-app:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repo
+        uses: actions/checkout@v4
+        with:
+          submodules: 'true'
+      - name: Install tools
+        run: |
+          sudo apt-get update -y && sudo apt-get -y install gcc-arm-none-eabi
+      - name: Add rustup target
+        run: |
+          rustup target add armv7r-none-eabihf
+      - name: Check Clippy on QEMU Cortex-R5 App
+        env:
+          RUSTFLAGS: "-Dwarnings"
+        run: |
+          cd qemu-cortex-r5-app
           cargo clippy --all-features
   job-clippy-threadx-sys:
     runs-on: ubuntu-latest

.github/workflows/format.yml

@@ -5,14 +5,23 @@ name: workflow-code-format
 run-name: Check code formatting
 on: [push]
 jobs:
-  job-format-demo-app:
+  job-format-nrf52-app:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout repo
         uses: actions/checkout@v4
-      - name: Check Formatting
+      - name: Check Formatting on nRF52 App
+        run: |
+          cd nrf52-app
+          cargo fmt -- --check
+  job-format-qemu-cortex-r5-app:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repo
+        uses: actions/checkout@v4
+      - name: Check Formatting on QEMU Cortex-R5 App
         run: |
-          cd demo-app
+          cd qemu-cortex-r5-app
           cargo fmt -- --check
   job-format-threadx-sys:
     runs-on: ubuntu-latest

build.sh

@@ -7,6 +7,10 @@
 
 set -euo pipefail
 
-pushd demo-app
+pushd nrf52-app
+cargo build --release
+popd
+
+pushd qemu-cortex-r5-app
 cargo build --release
 popd

criticalup.toml

@@ -16,4 +16,5 @@ packages = [
     "flip-link-${rustc-host}",
     "llvm-tools-${rustc-host}",
     "rust-std-thumbv7em-none-eabi",
+    "rust-std-armv7r-none-eabihf",
 ]

demo-app/.vscode/launch.json → nrf52-app/.vscode/launch.json

@@ -2,12 +2,12 @@
 // SPDX-License-Identifier: MIT OR Apache-2.0
 
 {
-  // Use `nc localhost 8765 | defmt-print -e ./target/thumbv7em-none-eabihf/release/demo-app` to print the defmt output
+  // Use `nc localhost 8765 | defmt-print -e ./target/thumbv7em-none-eabihf/release/nrf52-app` to print the defmt output
   "version": "0.2.0",
   "configurations": [
     {
       "cwd": "${workspaceRoot}",
-      "executable": "./target/thumbv7em-none-eabihf/release/demo-app",
+      "executable": "./target/thumbv7em-none-eabihf/release/nrf52-app",
       "name": "Debug Microcontroller (launch)",
       "request": "launch",
       "preLaunchTask": "rust: cargo build release",

demo-app/Cargo.toml → nrf52-app/Cargo.toml

@@ -5,7 +5,7 @@
 authors = ["Jonathan Pallant <[email protected]>"]
 edition = "2021"
 license = "MIT OR Apache-2.0"
-name = "demo-app"
+name = "nrf52-app"
 version = "0.0.0"
 description = "Rust ThreadX demo on nRF52840"
 

demo-app/README.md → nrf52-app/README.md

@@ -8,39 +8,39 @@ automatically. You will also need `probe-rs` from <https://probe.rs>.
 
 ```console
 $ cargo run --release
-   Compiling demo-app v0.0.0 (/Users/jonathan/Documents/ferrous-systems/threadx-experiments/demo-app)
+   Compiling nrf52-app v0.0.0 (/Users/jonathan/Documents/ferrous-systems/threadx-experiments/nrf52-app)
     Finished `dev` profile [optimized + debuginfo] target(s) in 4.81s
-     Running `probe-rs run --chip nRF52840_xxAA target/thumbv7em-none-eabi/debug/demo-app`
+     Running `probe-rs run --chip nRF52840_xxAA target/thumbv7em-none-eabi/debug/nrf52-app`
       Erasing ✔ [00:00:00] [####################################] 12.00 KiB/12.00 KiB @ 33.03 KiB/s (eta 0s )
   Programming ✔ [00:00:00] [####################################] 12.00 KiB/12.00 KiB @ 42.84 KiB/s (eta 0s )    Finished in 0.661s
 <lvl> Hello, this is version unknown!
-└─ demo_app::__cortex_m_rt_main @ src/main.rs:151
+└─ nrf52_app::__cortex_m_rt_main @ src/main.rs:151
 <lvl> Entering ThreadX kernel...
-└─ demo_app::__cortex_m_rt_main @ src/main.rs:186
+└─ nrf52_app::__cortex_m_rt_main @ src/main.rs:186
 <lvl> In tx_application_define()...
-└─ demo_app::tx_application_define @ src/main.rs:26
+└─ nrf52_app::tx_application_define @ src/main.rs:26
 <lvl> Stack allocated @ 0x20037444
-└─ demo_app::tx_application_define @ src/main.rs:59
+└─ nrf52_app::tx_application_define @ src/main.rs:59
 <lvl> Thread spawned (entry=12345678) @ 0x2003f440
-└─ demo_app::tx_application_define @ src/main.rs:85
+└─ nrf52_app::tx_application_define @ src/main.rs:85
 <lvl> Stack allocated @ 0x2003944c
-└─ demo_app::tx_application_define @ src/main.rs:102
+└─ nrf52_app::tx_application_define @ src/main.rs:102
 <lvl> Thread spawned (entry=aabbccdd) @ 0x2003f4f8
-└─ demo_app::tx_application_define @ src/main.rs:128
+└─ nrf52_app::tx_application_define @ src/main.rs:128
 <lvl> I am my_thread(12345678)
-└─ demo_app::my_thread @ src/main.rs:136
+└─ nrf52_app::my_thread @ src/main.rs:136
 <lvl> I am my_thread(aabbccdd)
-└─ demo_app::my_thread @ src/main.rs:136
+└─ nrf52_app::my_thread @ src/main.rs:136
 <lvl> I am my_thread(12345678), count = 1
-└─ demo_app::my_thread @ src/main.rs:145
+└─ nrf52_app::my_thread @ src/main.rs:145
 <lvl> I am my_thread(aabbccdd), count = 1
-└─ demo_app::my_thread @ src/main.rs:145
+└─ nrf52_app::my_thread @ src/main.rs:145
 <lvl> I am my_thread(12345678), count = 2
-└─ demo_app::my_thread @ src/main.rs:145
+└─ nrf52_app::my_thread @ src/main.rs:145
 <lvl> I am my_thread(aabbccdd), count = 2
-└─ demo_app::my_thread @ src/main.rs:145
+└─ nrf52_app::my_thread @ src/main.rs:145
 <lvl> I am my_thread(12345678), count = 3
-└─ demo_app::my_thread @ src/main.rs:145
+└─ nrf52_app::my_thread @ src/main.rs:145
 ...
 ```
 

qemu-cortex-r5-app/.cargo/config.toml

@@ -0,0 +1,12 @@
+# SPDX-FileCopyrightText: Copyright (c) 2024 Ferrous Systems
+# SPDX-License-Identifier: MIT OR Apache-2.0
+
+[target.armv7r-none-eabihf]
+rustflags = [
+    "-Clink-arg=-Tlinker.ld",
+    "-Ctarget-cpu=cortex-r5",
+]
+runner = "qemu-system-arm -machine versatileab -cpu cortex-r5f -semihosting -nographic -kernel"
+
+[build]
+target = ["armv7r-none-eabihf"]

qemu-cortex-r5-app/.gitignore

@@ -0,0 +1,4 @@
+# SPDX-FileCopyrightText: Copyright (c) 2024 Ferrous Systems
+# SPDX-License-Identifier: CC0-1.0
+
+/target