diff --git a/.github/workflows/pr.yml b/.github/workflows/pr.yml
index c0f53980..2291ece0 100644
--- a/.github/workflows/pr.yml
+++ b/.github/workflows/pr.yml
@@ -6,7 +6,7 @@
 
 name: PR
 
-on: [pull_request]
+on: [pull_request, workflow_call]
 
 jobs:
   gitlint:
@@ -26,3 +26,9 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: seL4/ci-actions/bashisms@master
+
+  style:
+    name: Style
+    runs-on: ubuntu-latest
+    steps:
+    - uses: seL4/ci-actions/style@master
diff --git a/.github/workflows/push.yml b/.github/workflows/push.yml
index f5f34368..9388e929 100644
--- a/.github/workflows/push.yml
+++ b/.github/workflows/push.yml
@@ -10,6 +10,7 @@ on:
     branches:
       - master
   pull_request:
+  workflow_call:
 
 jobs:
   check:
@@ -25,9 +26,3 @@ jobs:
       - uses: seL4/ci-actions/link-check@master
         with:
           exclude: '/node_modules/'
-
-  style:
-    name: Style
-    runs-on: ubuntu-latest
-    steps:
-    - uses: seL4/ci-actions/style@master
diff --git a/.github/workflows/sel4bench-pr.yml b/.github/workflows/sel4bench-pr.yml
new file mode 100644
index 00000000..a986d096
--- /dev/null
+++ b/.github/workflows/sel4bench-pr.yml
@@ -0,0 +1,123 @@
+# Copyright 2022, Proofcraft Pty Ltd
+#
+# SPDX-License-Identifier: BSD-2-Clause
+
+# Build and run sel4bench on pull requests, on label request
+
+name: seL4Bench-HW
+
+on:
+  workflow_call:
+
+# intended to run on
+#  pull_request_target:
+#    types: [opened, reopened, synchronize, labeled]
+
+# downgrade permissions to read-only as you would have in a standard PR action
+permissions:
+  contents: read
+
+# To reduce the load (especiually on the machine queue) we cancel any older runs
+# of this workflow for the current PR. Such runs exist, if there were new pushes
+# to the PR's branch without waiting for the workflow to finish. As a side
+# effect, pushing new commits now becomes a convenient way to cancel all the
+# older runs, e.g. if they are stuck and would only be stopped by the timeout
+# eventually.
+# Note that we could do the concurrency handling at a finer level, and only wrap
+# the actual run on the hardware. But there seems not much gain in letting the
+# older builds run, as these are usually obsolete with new pushes also.
+concurrency:
+  group: ${{ github.workflow }}-pr-${{ github.event.number }}
+  cancel-in-progress: true
+
+jobs:
+  code:
+    name: Freeze Code
+    runs-on: ubuntu-latest
+    if: ${{ github.event_name == 'pull_request_target' &&
+               github.event.action != 'labeled' &&
+               contains(github.event.pull_request.labels.*.name, 'hw-bench') ||
+            github.event_name == 'pull_request_target' &&
+               github.event.action == 'labeled' &&
+               github.event.label.name == 'hw-bench' }}
+    outputs:
+      xml: ${{ steps.repo.outputs.xml }}
+    steps:
+    - id: repo
+      uses: seL4/ci-actions/repo-checkout@master
+      with:
+        manifest_repo: sel4bench-manifest
+        manifest: master.xml
+        sha: ${{ github.event.pull_request.head.sha }}
+
+  build:
+    name: Build
+    needs: code
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        march: [armv7a, armv8a, nehalem, rv64imac]
+    steps:
+    - name: Build
+      uses: seL4/ci-actions/sel4bench@master
+      with:
+        xml: ${{ needs.code.outputs.xml }}
+        march: ${{ matrix.march }}
+    - name: Upload images
+      uses: actions/upload-artifact@v4
+      with:
+        name: images-${{ matrix.march }}
+        path: '*-images.tar.gz'
+
+  hw-run:
+    name: HW Benchmark
+    if: ${{ github.repository_owner == 'seL4' }}
+    runs-on: ubuntu-latest
+    needs: [build]
+    strategy:
+      fail-fast: false
+      matrix:
+        platform:
+          - sabre
+          - imx8mm_evk
+          - odroid_c2
+          - odroid_xu4
+          - am335x_boneblack
+          - tx1
+          - tx2
+          - hifive
+        include:
+          - platform: pc99
+            req: skylake
+          - platform: pc99
+            req: haswell3
+    steps:
+      - name: Get machine queue
+        uses: actions/checkout@v4
+        with:
+          repository: seL4/machine_queue
+          path: machine_queue
+      - name: Get march
+        id: plat
+        uses: seL4/ci-actions/march-of-platform@master
+        with:
+          platform: ${{ matrix.platform }}
+      - name: Download image
+        uses: actions/download-artifact@v4
+        with:
+          name: images-${{ steps.plat.outputs.march }}
+      - name: Run
+        uses: seL4/ci-actions/sel4bench-hw@master
+        with:
+          platform: ${{ matrix.platform }}
+          req: ${{ matrix.req }}
+          index: $${{ strategy.job-index }}
+        env:
+          HW_SSH: ${{ secrets.HW_SSH }}
+      - name: Upload results
+        uses: actions/upload-artifact@v4
+        with:
+          # funky expression below is to work around lack of ternary operator
+          name: sel4bench-results-${{ matrix.platform }}${{ matrix.req != '' && format('-{0}', matrix.req) || '' }}
+          path: '*.json'
diff --git a/.github/workflows/sel4test-hw.yml b/.github/workflows/sel4test-hw.yml
new file mode 100644
index 00000000..1a9f21b1
--- /dev/null
+++ b/.github/workflows/sel4test-hw.yml
@@ -0,0 +1,116 @@
+# Copyright 2021, Proofcraft Pty Ltd
+#
+# SPDX-License-Identifier: BSD-2-Clause
+
+# sel4test hardware builds and runs
+#
+# See sel4test-hw/builds.yml in the repo seL4/ci-actions for configs.
+
+name: seL4Test-HW
+
+on:
+  workflow_call:
+
+# intended to run on
+#  pull_request_target:
+#    types: [opened, reopened, synchronize, labeled]
+# needs PR target for secrets access; guard by requiring label
+
+# downgrade permissions to read-only as you would have in a standard PR action
+permissions:
+  contents: read
+
+# To reduce the load (especiually on the machine queue) we cancel any older runs
+# of this workflow for the current PR. Such runs exist, if there were new pushes
+# to the PR's branch without waiting for the workflow to finish. As a side
+# effect, pushing new commits now becomes a convenient way to cancel all the
+# older runs, e.g. if they are stuck and would only be stopped by the timeout
+# eventually.
+# Note that we could do the concurrency handling at a finer level, and only wrap
+# the actual run on the hardware. But there seems not much gain in letting the
+# older builds run, as these are usually obsolete with new pushes also.
+concurrency:
+  group: ${{ github.workflow }}-pr-${{ github.event.number }}
+  cancel-in-progress: true
+
+jobs:
+  hw-build:
+    name: HW Build
+    runs-on: ubuntu-latest
+    if: ${{ github.event_name == 'push' ||
+            github.event_name == 'pull_request_target' &&
+              github.event.action != 'labeled' &&
+              (contains(github.event.pull_request.labels.*.name, 'hw-build') ||
+               contains(github.event.pull_request.labels.*.name, 'hw-test')) ||
+            github.event_name == 'pull_request_target' &&
+              github.event.action == 'labeled' &&
+              (github.event.label.name == 'hw-build' ||
+               github.event.label.name == 'hw-test') }}
+    strategy:
+      fail-fast: false
+      matrix:
+        # There is no "rv32imac" hardware yet.
+        march: [armv7a, armv8a, nehalem, rv64imac]
+        compiler: [gcc, clang]
+    steps:
+    - name: Build
+      uses: seL4/ci-actions/sel4test-hw@master
+      with:
+        march: ${{ matrix.march }}
+        compiler: ${{ matrix.compiler }}
+        sha: ${{ github.event.pull_request.head.sha }}
+    - name: Upload images
+      uses: actions/upload-artifact@v4
+      with:
+        name: images-${{ matrix.march }}-${{ matrix.compiler }}
+        path: '*-images.tar.gz'
+    - name: Upload kernel.elf files
+      uses: actions/upload-artifact@v4
+      with:
+        name: kernel.elf-${{ matrix.march }}-${{ matrix.compiler }}
+        path: '*-kernel.elf'
+
+  the_matrix:
+    name: Matrix
+    needs: hw-build
+    runs-on: ubuntu-latest
+    outputs:
+      matrix: ${{ steps.matrix.outputs.matrix }}
+    steps:
+    - id: matrix
+      uses: seL4/ci-actions/sel4test-hw-matrix@master
+
+  hw-run:
+    name: HW Run
+    runs-on: ubuntu-latest
+    needs: the_matrix
+    if: ${{ github.repository_owner == 'seL4' &&
+            (github.event_name == 'push' ||
+             github.event_name == 'pull_request_target' &&
+               github.event.action != 'labeled' &&
+               contains(github.event.pull_request.labels.*.name, 'hw-test') ||
+             github.event_name == 'pull_request_target' &&
+               github.event.action == 'labeled' &&
+               github.event.label.name == 'hw-test') }}
+    strategy:
+      fail-fast: false
+      matrix: ${{ fromJson(needs.the_matrix.outputs.matrix) }}
+    steps:
+      - name: Get machine queue
+        uses: actions/checkout@v4
+        with:
+          repository: seL4/machine_queue
+          path: machine_queue
+      - name: Download image
+        uses: actions/download-artifact@v4
+        with:
+          name: images-${{ matrix.march }}-${{ matrix.compiler }}
+      - name: Run
+        uses: seL4/ci-actions/sel4test-hw-run@master
+        with:
+          platform: ${{ matrix.platform }}
+          compiler: ${{ matrix.compiler }}
+          mode: ${{ matrix.mode }}
+          index: $${{ strategy.job-index }}
+        env:
+          HW_SSH: ${{ secrets.HW_SSH }}
diff --git a/.github/workflows/sel4test-sim.yml b/.github/workflows/sel4test-sim.yml
new file mode 100644
index 00000000..3986adc6
--- /dev/null
+++ b/.github/workflows/sel4test-sim.yml
@@ -0,0 +1,35 @@
+# Copyright 2021, Proofcraft Pty Ltd
+#
+# SPDX-License-Identifier: BSD-2-Clause
+
+# sel4test simulation runs
+#
+# See sel4test-sim/builds.yml in the repo seL4/ci-actions for configs.
+
+name: seL4Test-Sim
+
+on:
+  workflow_call:
+
+# To reduce the load we cancel any older runs of this workflow for the current
+# PR. Such runs exist, if there were new pushes to the PR's branch without
+# waiting for the workflow to finish. As a side effect, pushing new commits now
+# becomes a convenient way to cancel all the older runs, e.g. if they are stuck
+# and would only be stopped by the timeout eventually.
+concurrency:
+  group: ${{ github.workflow }}-pr-${{ github.event.number }}
+  cancel-in-progress: true
+
+jobs:
+  sim:
+    name: Simulation
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        march: [armv7a, armv8a, nehalem, rv32imac, rv64imac]
+        compiler: [gcc, clang]
+    steps:
+    - uses: seL4/ci-actions/sel4test-sim@master
+      with:
+        march: ${{ matrix.march }}
+        compiler: ${{ matrix.compiler }}