diff --git a/.github/workflows/test-openocd.yml b/.github/workflows/test-openocd.yml
index 70685da5aa9..fa64af13ae8 100644
--- a/.github/workflows/test-openocd.yml
+++ b/.github/workflows/test-openocd.yml
@@ -44,6 +44,7 @@ jobs:
           submodules: recursive
 
       - name: install SiteSpawner package
+        shell: bash
         run: |
           python3 -m venv .venv
           .venv/bin/python3 -m pip install tools/SiteSpawner
@@ -52,6 +53,7 @@ jobs:
           python3 -m pip install tools/SiteSpawner
 
       - name: Build verilated simulation
+        shell: bash
         run: |
           export PATH=/opt/verilator/bin:/opt/openocd/bin:$PATH
           export RV_ROOT=$(pwd)
@@ -64,6 +66,7 @@ jobs:
             -f ${RV_ROOT}/testbench/openocd_scripts/jtag_cg.tcl
 
       - name: Prepare coverage data
+        shell: bash
         run: |
           export PATH=/opt/verilator/bin:$PATH
           export RV_ROOT=$(pwd)
diff --git a/.github/workflows/test-regression.yml b/.github/workflows/test-regression.yml
index 895e18b958f..0264c2d0bd5 100644
--- a/.github/workflows/test-regression.yml
+++ b/.github/workflows/test-regression.yml
@@ -60,6 +60,7 @@ jobs:
           submodules: recursive
 
       - name: install SiteSpawner package
+        shell: bash
         run: |
           python3 -m venv .venv
           .venv/bin/python3 -m pip install tools/SiteSpawner
@@ -68,6 +69,7 @@ jobs:
           python3 -m pip install tools/SiteSpawner
 
       - name: Setup environment
+        shell: bash
         run: |
           echo "/opt/verilator/bin" >> $GITHUB_PATH
           RV_ROOT=`pwd`
@@ -78,13 +80,16 @@ jobs:
           echo "TEST_PATH=$TEST_PATH" >> $GITHUB_ENV
 
       - name: Run tests
+        shell: bash
         run: |
           export PATH=/opt/verilator/bin:$PATH
           export RV_ROOT=`pwd`
           .github/scripts/run_regression_test.sh $TEST_PATH ${{ matrix.bus }} ${{ matrix.test}} ${{ matrix.coverage }} ${{ matrix.priv }}
 
       - name: Prepare coverage data
+        shell: bash
         run: |
+          source .venv/bin/activate
           sis -d convert --dat-dir ${TEST_PATH}/
           mkdir -p results
           mv ${TEST_PATH}/coverage.info \
diff --git a/.github/workflows/test-riscof.yml b/.github/workflows/test-riscof.yml
index f27ecc00433..9d262df12a1 100644
--- a/.github/workflows/test-riscof.yml
+++ b/.github/workflows/test-riscof.yml
@@ -68,6 +68,7 @@ jobs:
           submodules: recursive
 
       - name: install SiteSpawner package
+        shell: bash
         run: |
           python3 -m venv .venv
           .venv/bin/python3 -m pip install tools/SiteSpawner
@@ -80,6 +81,7 @@ jobs:
           pip3 install git+https://github.com/riscv/riscof@a25e315
 
       - name: Clone tests
+        shell: bash
         run: |
           mkdir -p riscof
           pushd riscof
@@ -90,6 +92,7 @@ jobs:
           popd
 
       - name: Configure RISCOF
+        shell: bash
         run: |
           pushd riscof
             # Copy RISCOF configuration
@@ -101,6 +104,7 @@ jobs:
           popd
 
       - name: Build VeeR model
+        shell: bash
         run: |
           export PATH=/opt/verilator/bin:$PATH
           export RV_ROOT=`pwd`
@@ -114,6 +118,7 @@ jobs:
           popd
 
       - name: Run tests, collect coverage
+        shell: bash
         run: |
           export PATH=/opt/verilator/bin:/opt/spike/bin:$PATH
           pushd riscof
@@ -123,6 +128,7 @@ jobs:
           popd
 
       - name: Prepare coverage data
+        shell: bash
         run: |
           export PATH=/opt/verilator/bin:$PATH
           sis -d convert --dat-dir riscof/coverage/
@@ -130,8 +136,9 @@ jobs:
              riscof/coverage/coverage_riscof_${{matrix.priv}}_${{ matrix.coverage }}.info
 
       - name: Prepare report
+        shell: bash
         run: |
-          PYTEST_STYLE_SRC_DIR=${{ github.workspace }}/.github/scripts/pytest/
+          PYTEST_STYLE_SRC_DIR=$(pwd)/.github/scripts/pytest/
           PYTEST_CSS=${PYTEST_STYLE_SRC_DIR}/css/styles.css
           pushd riscof/riscof_work
             bash ${PYTEST_STYLE_SRC_DIR}/style_pytest_report.sh ${PYTEST_STYLE_SRC_DIR} . report.html
diff --git a/.github/workflows/test-riscv-dv.yml b/.github/workflows/test-riscv-dv.yml
index 873332d5e52..50afaee3d2e 100644
--- a/.github/workflows/test-riscv-dv.yml
+++ b/.github/workflows/test-riscv-dv.yml
@@ -71,6 +71,7 @@ jobs:
 
       - name: Generate code (pyflow)
         if: steps.cache-code.outputs.cache-hit != 'true' && matrix.version == 'pyflow'
+        shell: bash
         run: |
           export RV_ROOT=`realpath .`
           pushd tools/riscv-dv
@@ -141,6 +142,7 @@ jobs:
       # As of July 9th, 2024 `ubuntu:latest` comes with riscv64-unknown-elf-gcc
       # 10.0.2. We need a newer version for bitmanip extension support.
       - name: Install cross-compiler
+        shell: bash
         run: |
           echo "deb http://archive.ubuntu.com/ubuntu/ noble main universe" | sudo tee -a /etc/apt/sources.list > /dev/null
           sudo apt -qqy update && sudo apt -qqy --no-install-recommends install \
@@ -168,6 +170,7 @@ jobs:
           submodules: recursive
 
       - name: install SiteSpawner package
+        shell: bash
         run: |
           python3 -m venv .venv
           .venv/bin/python3 -m pip install tools/SiteSpawner
@@ -204,6 +207,7 @@ jobs:
           fail-on-cache-miss: true
 
       - name: Run test
+        shell: bash
         run: |
           export PATH=/opt/verilator/bin:$PATH
           export RV_ROOT=`realpath .`
diff --git a/.github/workflows/test-uarch.yml b/.github/workflows/test-uarch.yml
index ac8d82b567c..a6844d6036e 100644
--- a/.github/workflows/test-uarch.yml
+++ b/.github/workflows/test-uarch.yml
@@ -15,6 +15,7 @@ jobs:
           submodules: recursive
 
       - name: Setup environment
+        shell: bash
         run: |
           RV_ROOT=`pwd`
           echo "RV_ROOT=$RV_ROOT" >> $GITHUB_ENV
@@ -24,9 +25,13 @@ jobs:
           TEST_PATH=$RV_ROOT/verification/block
           echo "TEST_PATH=$TEST_PATH" >> $GITHUB_ENV
 
-          pip3 install nox
+          python3 -m venv .venv
+          source .venv/bin/activate
+          python3 -m pip install nox
       - name: Lint
+        shell: bash
         run: |
+          source .venv/bin/activate
           pushd ${TEST_PATH}
             nox -s test_lint
           popd
@@ -63,15 +68,16 @@ jobs:
           submodules: recursive
 
       - name: install SiteSpawner package
+        shell: bash
         run: |
           python3 -m venv .venv
-          .venv/bin/python3 -m pip install tools/SiteSpawner
           source .venv/bin/activate
-          echo "PATH=$PATH" >> $GITHUB_ENV
           python3 -m pip install tools/SiteSpawner
+          python3 -m pip install meson nox
 
       - name: Setup Cache Metadata
         id: cache_metadata
+        shell: bash
         run: |
           date=$(date +"%Y_%m_%d")
           time=$(date +"%Y%m%d_%H%M%S_%N")
@@ -110,6 +116,7 @@ jobs:
           sudo cpanm Bit::Vector
 
       - name: Setup environment
+        shell: bash
         run: |
           echo "/opt/verilator/bin" >> $GITHUB_PATH
           RV_ROOT=`pwd`
@@ -128,17 +135,19 @@ jobs:
           # Fix random generator seed
           echo "RANDOM_SEED=1377424946" >> $GITHUB_ENV
 
-          pip3 install meson nox
-
       - name: Run ${{ matrix.test }}
+        shell: bash
         run: |
+          source .venv/bin/activate
           pushd ${TEST_PATH}
             nox -s ${TEST_NAME}_verify
           popd
 
       - name: Prepare coverage data
+        shell: bash
         run: |
           export PATH=/opt/verilator/bin:$PATH
+          source .venv/bin/activate
           sis -d convert --dat-dir ${TEST_PATH}/${TEST_NAME}/
           mkdir -p results
           mv ${TEST_PATH}/${TEST_NAME}/*.info results/
diff --git a/.github/workflows/test-verification.yml b/.github/workflows/test-verification.yml
index e90bb6a80c0..e13d95d364b 100644
--- a/.github/workflows/test-verification.yml
+++ b/.github/workflows/test-verification.yml
@@ -22,15 +22,15 @@ jobs:
           submodules: recursive
 
       - name: install SiteSpawner package
+        shell: bash
         run: |
           python3 -m venv .venv
-          .venv/bin/python3 -m pip install tools/SiteSpawner
           source .venv/bin/activate
-          echo "PATH=$PATH" >> $GITHUB_ENV
           python3 -m pip install tools/SiteSpawner
 
       - name: Setup Cache Metadata
         id: cache_metadata
+        shell: bash
         run: |
           date=$(date +"%Y_%m_%d")
           time=$(date +"%Y%m%d_%H%M%S_%N")
@@ -69,6 +69,7 @@ jobs:
           sudo cpanm Bit::Vector
 
       - name: Setup environment
+        shell: bash
         run: |
           echo "/opt/verilator/bin" >> $GITHUB_PATH
           RV_ROOT=`pwd`
@@ -78,11 +79,14 @@ jobs:
           TEST_PATH=$RV_ROOT/verification/top/${{ matrix.test }}
           echo "TEST_PATH=$TEST_PATH" >> $GITHUB_ENV
 
+
       - name: Run ${{ matrix.test }}
+        shell: bash
         run: |
+          source .venv/bin/activate
           pip3 install meson
           pip3 install -r $RV_ROOT/verification/top/requirements.txt
-          PYTEST_STYLE_SRC_DIR=${{ github.workspace }}/.github/scripts/pytest/
+          PYTEST_STYLE_SRC_DIR=$RV_ROOT/.github/scripts/pytest/
           PYTEST_CSS=${PYTEST_STYLE_SRC_DIR}/css/styles.css
           HTML_FILE=${{ matrix.test }}_${{ matrix.COVERAGE }}.html
           pushd ${TEST_PATH}
@@ -91,18 +95,22 @@ jobs:
           popd
 
       - name: Prepare pytest-html data
+        shell: bash
         run: |
-          pushd ${{ github.workspace }}
+          source .venv/bin/activate
+          pushd $RV_ROOT
             WEBPAGE_DIR=webpage_${{ matrix.test }}_${{ matrix.COVERAGE }}
             mkdir -p $WEBPAGE_DIR
             mv ${TEST_PATH}/${{ matrix.test }}_${{ matrix.COVERAGE }}.html $WEBPAGE_DIR
             mv ${TEST_PATH}/assets $WEBPAGE_DIR
-            JS_SCRIPT_DIR=${{ github.workspace }}/.github/scripts/pytest/script
+            JS_SCRIPT_DIR=$RV_ROOT/.github/scripts/pytest/script
             mv $JS_SCRIPT_DIR $WEBPAGE_DIR
           popd
 
       - name: Prepare coverage data
+        shell: bash
         run: |
+          source .venv/bin/activate
           export PATH=/opt/verilator/bin:$PATH
           sis -d convert --dat-dir ${TEST_PATH}
           mkdir -p results