treewide: nuke old repo and replace with rewrite from @phip1611

.editorconfig

@@ -0,0 +1,16 @@
+root = true
+
+[*]
+charset = utf-8
+end_of_line = lf
+max_line_length = 80
+indent_style = space
+indent_size = 4
+insert_final_newline = true
+trim_trailing_whitespace = true
+
+[Makefile]
+indent_style = tab
+
+[*.{json,md,nix,toml,yml}]
+indent_size = 2

.github/FUNDING.yml

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+# These are supported funding model platforms
+
+github: phip1611

.github/dependabot.yml

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+version: 2
+updates:
+  - package-ecosystem: cargo
+    directory: "/"
+    schedule:
+      interval: monthly
+    open-pull-requests-limit: 10
+    ignore:
+      - dependency-name: "*"
+        update-types: [ "version-update:semver-patch" ]
+  - package-ecosystem: github-actions
+    directory: "/"
+    schedule:
+      interval: monthly
+    open-pull-requests-limit: 10

.github/workflows/dependabot-auto-merge.yml

@@ -0,0 +1,26 @@
+# We auto-merge all dependabot updates as soon as the CI are met.
+#
+# More info: https://docs.github.com/en/code-security/dependabot/working-with-dependabot/automating-dependabot-with-github-actions
+
+name: Dependabot PR auto-merge
+on: pull_request
+
+permissions:
+  contents: write
+  pull-requests: write
+
+jobs:
+  dependabot:
+    runs-on: ubuntu-latest
+    if: github.event.pull_request.user.login == 'dependabot[bot]' && github.repository == 'rust-osdev/uart_16550'
+    steps:
+      - name: Approve
+        run: gh pr review --approve "$PR_URL"
+        env:
+          PR_URL: ${{github.event.pull_request.html_url}}
+          GH_TOKEN: ${{secrets.GITHUB_TOKEN}}
+      - name: Enable auto-merge
+        run: gh pr merge --auto --merge "$PR_URL"
+        env:
+          PR_URL: ${{github.event.pull_request.html_url}}
+          GH_TOKEN: ${{secrets.GITHUB_TOKEN}}

.github/workflows/qa.yml

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+name: QA
+
+on: [  pull_request, merge_group ]
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}-${{ github.event_name }}
+  cancel-in-progress: true
+
+jobs:
+  spellcheck:
+    name: Spellcheck
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v6
+      # Executes "typos ."
+      - uses: crate-ci/typos@v1.41.0

.github/workflows/rust.yml

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+name: Build
+
+on: [  pull_request, merge_group ]
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}-${{ github.event_name }}
+  cancel-in-progress: true
+
+env:
+  CARGO_TERM_COLOR: always
+
+jobs:
+  build:
+    runs-on: "${{ matrix.runs-on }}"
+    strategy:
+      fail-fast: false
+      matrix:
+        runs-on:
+          - macos-latest
+          - ubuntu-latest
+          - windows-latest
+        rust:
+          - stable
+          - nightly
+          - 1.85.1 # MSVR
+    steps:
+      - uses: actions/checkout@v6
+      - name: Setup Rust toolchain
+        uses: dtolnay/rust-toolchain@stable
+        with:
+          toolchain: "${{ matrix.rust }}"
+          targets: x86_64-unknown-linux-gnu,x86_64-unknown-uefi,i686-unknown-uefi,thumbv7em-none-eabihf,aarch64-unknown-uefi,riscv64gc-unknown-none-elf
+      - uses: Swatinem/rust-cache@v2
+        with:
+          key: "${{ matrix.runs-on }}-${{ matrix.rust }}"
+      - name: Build
+        run: cargo build --all-targets --verbose
+      - name: Build (no_std, x86, aarch64, riscv)
+        run: |
+          cargo build --verbose --target aarch64-unknown-uefi
+          cargo build --verbose --target i686-unknown-uefi
+          cargo build --verbose --target riscv64gc-unknown-none-elf
+          cargo build --verbose --target x86_64-unknown-uefi
+      - name: Build (no_std, aarch64)
+        run: cargo build --verbose --target thumbv7em-none-eabihf
+      - name: Run tests
+        run: cargo test --verbose
+
+  integration_test:
+    runs-on:  ubuntu-latest
+    steps:
+      - uses: actions/checkout@v6
+      - name: Setup Rust toolchain
+        uses: dtolnay/rust-toolchain@stable
+        with:
+          toolchain: stable
+      - uses: Swatinem/rust-cache@v2
+        with:
+          key: "integration-test"
+          cache-directories:
+            ./test/target
+      - name: Install QEMU
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y qemu-system-i386
+
+      - name: Verify QEMU installation
+        run: qemu-system-i386 --version
+      - name: Build
+        run: cd test && make
+      - name: Run
+        run: cd test && make run
+
+  miri:
+    runs-on: ubuntu-latest
+    needs:
+      # Logical dependency and wait for cache to be present
+      - build
+    strategy:
+      matrix:
+        rust:
+          - nightly
+    steps:
+      - uses: actions/checkout@v6
+      - name: Setup Rust toolchain
+        uses: dtolnay/rust-toolchain@stable
+        with:
+          toolchain: "${{ matrix.rust }}"
+      - uses: Swatinem/rust-cache@v2
+        with:
+          key: "${{ matrix.rust }}"
+      - run: rustup component add miri
+      - run: cargo miri test --tests
+
+  style_checks:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        rust:
+          - stable
+    steps:
+      - uses: actions/checkout@v6
+      - name: Setup Rust toolchain
+        uses: dtolnay/rust-toolchain@stable
+        with:
+          toolchain: "${{ matrix.rust }}"
+      - uses: Swatinem/rust-cache@v2
+        with:
+          key: "${{ matrix.rust }}"
+      - name: Rustfmt
+        run: cargo fmt --all -- --check
+      - name: Clippy
+        run: cargo clippy --all-targets
+      - name: Rustdoc
+        run: cargo doc --no-deps --document-private-items

.gitignore

@@ -1,2 +1 @@
 /target
-/Cargo.lock

.typos.toml

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+# Configuration for the typos spell checker utility (<https://github.com/crate-ci/typos>).
+
+[files]
+extend-exclude = [
+  "test/link.ld"
+]
+
+[default]
+extend-ignore-identifiers-re = [
+
+]
+
+[default.extend-words]
+THR = "THR"
+
+[default.extend-identifiers]
+