Add cfi tests

Signed-off-by: Alexandre Ghiti <alexghiti@rivosinc.com>

Author: Alexandre Ghiti

automated/linux/cfi/cfi.sh

@@ -0,0 +1,59 @@
+#!/bin/sh
+
+# shellcheck disable=SC1091
+. ../../lib/sh-test-lib
+
+OUTPUT="$(pwd)/output"
+RESULT_FILE="${OUTPUT}/result.txt"
+RESULT_LOG="${OUTPUT}/result_log.txt"
+CWD=""
+
+cfi_run_test() {
+    # shellcheck disable=SC2164
+    # Redirect stdout (not stderr)
+    cd /opt/cfi/
+
+    echo -n "cfi_compiled_should_succeed " > "${RESULT_FILE}"
+    ./cfi_compiled_should_succeed | tee -a "${RESULT_LOG}"
+    if [[ "${PIPESTATUS[0]}" == "0" ]]; then
+        echo "pass" >> "${RESULT_FILE}"
+    else
+        echo "fail" >> "${RESULT_FILE}"
+    fi
+
+    echo -n "not_cfi_compiled_should_fail " >> "${RESULT_FILE}"
+    ./not_cfi_compiled_should_fail | tee -a "${RESULT_LOG}"
+    if [[ "${PIPESTATUS[0]}" == "139" ]]; then
+        echo "pass" >> "${RESULT_FILE}"
+    else
+        echo "fail" >> "${RESULT_FILE}"
+    fi
+
+    # TODO should check lock and disable
+}
+
+# Test run.
+! check_root && error_msg "This script must be run as root"
+create_out_dir "${OUTPUT}"
+# shellcheck disable=SC2164
+cd "${OUTPUT}"
+
+info_msg "About to run cfi tests..."
+info_msg "Output directory: ${OUTPUT}"
+
+if [ -f /proc/config.gz ]
+then
+CONFIG_RISCV_USER_CFI=$(zcat /proc/config.gz | grep "CONFIG_RISCV_USER_CFI=")
+elif [ -f /boot/config-"$(uname -r)" ]
+then
+KERNEL_CONFIG_FILE="/boot/config-$(uname -r)"
+CONFIG_RISCV_USER_CFI=$(grep "CONFIG_RISCV_USER_CFI=" "${KERNEL_CONFIG_FILE}")
+else
+exit_on_skip "cfi-pre-requirements" "Kernel config file not available"
+fi
+
+[ "${CONFIG_RISCV_USER_CFI}" = "CONFIG_RISCV_USER_CFI=y" ]
+exit_on_skip "cfi-pre-requirements" "Kernel config CONFIG_RISCV_USER_CFI=y not enabled"
+
+# Binaries must be provided via an overlay
+cfi_run_test

automated/linux/cfi/cfi.yaml

@@ -0,0 +1,34 @@
+metadata:
+    name: cfi
+    format: "Lava-Test Test Definition 1.0"
+    description: "Run basic CFI tests.
+                  Tests that a non-cfi rootfs boots fine, that a cfi compiled
+                  binary runs fine and that a non-cfi compiled binary which
+                  prctl does not work (segfault)"
+    maintainer:
+        - alexghiti@rivosinc.com
+    os:
+        - debian
+        - ubuntu
+        - centos
+        - fedora
+    scope:
+        - functional
+    devices:
+        - rtsm_ve-armv8
+        - arndale
+        - mustang
+        - overdrive
+        - d05
+        - d03
+        - hi6220-hikey
+        - apq8016-sbc
+
+params:
+    SKIP_INSTALL: "False"
+
+run:
+    steps:
+        - cd ./automated/linux/cfi/
+        - ./cfi.sh
+        - ../../utils/send-to-lava.sh ./output/result.txt