virtualization support, major build system refactoring, heap improvements, and extensive code cleanup for public release.

.clang-format

@@ -1,4 +1,4 @@
-# SPDX-FileCopyrightText: 2023 - 2024 Rivos Inc.
+# SPDX-FileCopyrightText: 2023 - 2025 Rivos Inc.
 #
 # SPDX-License-Identifier: Apache-2.0
 

.github/workflows/build-and-test-jumpstart.yaml

@@ -1,107 +1,106 @@
-# SPDX-FileCopyrightText: 2023 - 2024 Rivos Inc.
+# SPDX-FileCopyrightText: 2023 - 2025 Rivos Inc.
 #
 # SPDX-License-Identifier: Apache-2.0
 
 name: Build and Test Jumpstart
 
 on:
   push:
-    branches: [ "main" ]
+    branches: ["main"]
   pull_request:
-    branches: [ "main" ]
+    branches: ["main"]
   workflow_dispatch:
 
 env:
   SPIKE_REPO: https://github.com/riscv-software-src/riscv-isa-sim.git
   SPIKE_REV: master
-  TOOLCHAIN_URL: https://github.com/riscv-collab/riscv-gnu-toolchain/releases/download/2023.09.27/riscv64-elf-ubuntu-22.04-gcc-nightly-2023.09.27-nightly.tar.gz
+  TOOLCHAIN_URL: https://github.com/riscv-collab/riscv-gnu-toolchain/releases/download/2025.09.28/riscv64-elf-ubuntu-22.04-gcc-nightly-2025.09.28-nightly.tar.xz
 
 jobs:
   build-and-test-jumpstart:
-
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v3
-      with:
-        submodules: recursive
-        fetch-depth: 0
-
-    - name: Install Packages
-      run: |
-        sudo apt-get update
-        sudo apt-get install -y device-tree-compiler build-essential
-
-    - name: Get revisions of dependencies
-      run: |
-        SPIKE_COMMIT=$( git ls-remote "$SPIKE_REPO" $SPIKE_REV | awk '{ print $1; }' )
-        echo "Revison of Spike: $SPIKE_COMMIT"
-        # Save for later use
-        echo "SPIKE_COMMIT=$SPIKE_COMMIT" >> $GITHUB_ENV
-
-    - name: Get the toolchain from cache (if available)
-      id: cache-restore-toolchain
-      uses: actions/cache/restore@v3
-      with:
-        path: /opt/riscv/toolchain
-        key: "toolchain-${{env.TOOLCHAIN_URL}}"
-
-    - if: ${{ steps.cache-restore-toolchain.outputs.cache-hit != 'true' }}
-      name: Download Toolchain (if not cached)
-      run: |
-        mkdir -p /opt/riscv/toolchain
-        wget --progress=dot:giga $TOOLCHAIN_URL -O /tmp/toolchain.tar.gz
-
-    - if: ${{ steps.cache-restore-toolchain.outputs.cache-hit != 'true' }}
-      name: Install Toolchain (if not cached)
-      run: tar zxf /tmp/toolchain.tar.gz --strip-components=1 -C /opt/riscv/toolchain
-
-    - name: Save the toolchain to the cache (if necessary)
-      id: cache-save-toolchain
-      uses: actions/cache/save@v3
-      with:
-        path: /opt/riscv/toolchain
-        key: "toolchain-${{env.TOOLCHAIN_URL}}"
-
-    - name: Add the toolchain to the path
-      run: echo "/opt/riscv/toolchain/bin" >> $GITHUB_PATH
-
-    - name: Get spike from cache (if available)
-      id: cache-restore-spike
-      uses: actions/cache/restore@v3
-      with:
-        path: /opt/riscv/spike
-        key: "spike-${{env.SPIKE_COMMIT}}"
-
-    - if: ${{ steps.cache-restore-spike.outputs.cache-hit != 'true' }}
-      name: Download Spike source (if not cached)
-      run: |
-        git clone "$SPIKE_REPO"
-        cd riscv-isa-sim
-        git checkout "$SPIKE_COMMIT"
-        git submodule update --init --recursive
-
-    - if: ${{ steps.cache-restore-spike.outputs.cache-hit != 'true' }}
-      name: Build Spike (if not cached)
-      run: |
-        cd riscv-isa-sim
-        mkdir build && cd build
-        ../configure --prefix=/opt/riscv/spike
-        make -j"$(nproc 2> /dev/null || sysctl -n hw.ncpu)"
-        make install
-
-    - if: ${{ steps.cache-restore-spike.outputs.cache-hit != 'true' }}
-      name: Save spike to cache (if built)
-      id: cache-save-spike
-      uses: actions/cache/save@v3
-      with:
-        path: /opt/riscv/spike
-        key: "spike-${{env.SPIKE_COMMIT}}"
-
-    - uses: BSFishy/meson-build@v1.0.3
-      with:
-        action: test
-        directory: build
-        setup-options: --cross-file cross_compile/public/gcc_options.txt --cross-file cross_compile/gcc.txt --buildtype release -Dspike_binary=/opt/riscv/spike/bin/spike
-        options: --verbose
-        meson-version: 1.2.0
+      - uses: actions/checkout@v3
+        with:
+          submodules: recursive
+          fetch-depth: 0
+
+      - name: Install Packages
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y device-tree-compiler build-essential
+
+      - name: Get revisions of dependencies
+        run: |
+          SPIKE_COMMIT=$( git ls-remote "$SPIKE_REPO" $SPIKE_REV | awk '{ print $1; }' )
+          echo "Revison of Spike: $SPIKE_COMMIT"
+          # Save for later use
+          echo "SPIKE_COMMIT=$SPIKE_COMMIT" >> $GITHUB_ENV
+
+      - name: Get the toolchain from cache (if available)
+        id: cache-restore-toolchain
+        uses: actions/cache/restore@v3
+        with:
+          path: /opt/riscv/toolchain
+          key: "toolchain-${{env.TOOLCHAIN_URL}}"
+
+      - if: ${{ steps.cache-restore-toolchain.outputs.cache-hit != 'true' }}
+        name: Download Toolchain (if not cached)
+        run: |
+          mkdir -p /opt/riscv/toolchain
+          wget --progress=dot:giga $TOOLCHAIN_URL -O /tmp/toolchain.tar.xz
+
+      - if: ${{ steps.cache-restore-toolchain.outputs.cache-hit != 'true' }}
+        name: Install Toolchain (if not cached)
+        run: tar xJf /tmp/toolchain.tar.xz --strip-components=1 -C /opt/riscv/toolchain
+
+      - name: Save the toolchain to the cache (if necessary)
+        id: cache-save-toolchain
+        uses: actions/cache/save@v3
+        with:
+          path: /opt/riscv/toolchain
+          key: "toolchain-${{env.TOOLCHAIN_URL}}"
+
+      - name: Add the toolchain to the path
+        run: echo "/opt/riscv/toolchain/bin" >> $GITHUB_PATH
+
+      - name: Get spike from cache (if available)
+        id: cache-restore-spike
+        uses: actions/cache/restore@v3
+        with:
+          path: /opt/riscv/spike
+          key: "spike-${{env.SPIKE_COMMIT}}"
+
+      - if: ${{ steps.cache-restore-spike.outputs.cache-hit != 'true' }}
+        name: Download Spike source (if not cached)
+        run: |
+          git clone "$SPIKE_REPO"
+          cd riscv-isa-sim
+          git checkout "$SPIKE_COMMIT"
+          git submodule update --init --recursive
+
+      - if: ${{ steps.cache-restore-spike.outputs.cache-hit != 'true' }}
+        name: Build Spike (if not cached)
+        run: |
+          cd riscv-isa-sim
+          mkdir build && cd build
+          ../configure --prefix=/opt/riscv/spike
+          make -j"$(nproc 2> /dev/null || sysctl -n hw.ncpu)"
+          make install
+
+      - if: ${{ steps.cache-restore-spike.outputs.cache-hit != 'true' }}
+        name: Save spike to cache (if built)
+        id: cache-save-spike
+        uses: actions/cache/save@v3
+        with:
+          path: /opt/riscv/spike
+          key: "spike-${{env.SPIKE_COMMIT}}"
+
+      - uses: BSFishy/meson-build@v1.0.3
+        with:
+          action: test
+          directory: build
+          setup-options: --cross-file cross_compile/public/gcc_options.txt --cross-file cross_compile/gcc.txt --buildtype release -Dspike_binary=/opt/riscv/spike/bin/spike
+          options: --verbose
+          meson-version: 1.3.0

.github/workflows/pre-commit.yml

@@ -1,4 +1,4 @@
-# SPDX-FileCopyrightText: 2023 - 2024 Rivos Inc.
+# SPDX-FileCopyrightText: 2023 - 2025 Rivos Inc.
 #
 # SPDX-License-Identifier: Apache-2.0
 
@@ -13,6 +13,8 @@ jobs:
   pre-commit:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
-    - uses: actions/setup-python@v3
-    - uses: pre-commit/action@v3.0.0
+      - uses: actions/checkout@v3
+      - uses: actions/setup-python@v3
+        with:
+          python-version: "3.12"
+      - uses: pre-commit/action@v3.0.0

.gitignore

@@ -1,4 +1,4 @@
-# SPDX-FileCopyrightText: 2024 Rivos Inc.
+# SPDX-FileCopyrightText: 2024 - 2025 Rivos Inc.
 #
 # SPDX-License-Identifier: Apache-2.0
 

.pre-commit-config.yaml

@@ -1,10 +1,10 @@
-# SPDX-FileCopyrightText: 2023 - 2024 Rivos Inc.
+# SPDX-FileCopyrightText: 2023 - 2025 Rivos Inc.
 #
 # SPDX-License-Identifier: Apache-2.0
 
 repos:
   - repo: https://github.com/pre-commit/pre-commit-hooks.git
-    rev: v4.6.0
+    rev: v5.0.0
     hooks:
       - id: check-added-large-files
       - id: check-ast
@@ -24,43 +24,43 @@ repos:
         args: [--markdown-linebreak-ext=md]
 
   - repo: https://github.com/PyCQA/isort
-    rev: 5.13.2
+    rev: 6.0.1
     hooks:
       - id: isort
 
   - repo: https://github.com/psf/black-pre-commit-mirror
-    rev: 24.4.2
+    rev: 25.1.0
     hooks:
       - id: black
 
   - repo: https://github.com/ikamensh/flynt/
-    rev: 1.0.1
+    rev: 1.0.2
     hooks:
       - id: flynt
 
   - repo: https://github.com/asottile/pyupgrade
-    rev: v3.16.0
+    rev: v3.20.0
     hooks:
       - id: pyupgrade
 
   - repo: https://github.com/pre-commit/mirrors-clang-format
-    rev: v16.0.6
+    rev: v20.1.8
     hooks:
       - id: clang-format
 
   # pull mirror of https://github.com/fsfe/reuse-tool
   - repo: https://github.com/rivosinc/reuse-tool
-    rev: '092e17c7287dad33a3da7fde22185dea29698810'
+    rev: 'da430ed605e06460b020a75410d62ddb7fc9a616'
     hooks:
       - id: reuse-annotate
         args:
-          - -c=Rivos Inc.
-          - -l=Apache-2.0
+          - -c Rivos Inc.
+          - -l Apache-2.0
           - --merge-copyrights
           - --skip-unrecognised
       - id: reuse
 
   - repo: https://github.com/pycqa/flake8
-    rev: 6.1.0
+    rev: 7.1.0
     hooks:
       - id: flake8