linux: Adding spectre meltdown checker test suite

Spectre & Meltdown Checker description,

A shell script to tell if your system is vulnerable against the several
"speculative execution" CVEs that were made public in 2018.

CVE-2017-5753 [bounds check bypass] aka 'Spectre Variant 1'
CVE-2017-5715 [branch target injection] aka 'Spectre Variant 2'
CVE-2017-5754 [rogue data cache load] aka 'Meltdown' aka 'Variant 3'
CVE-2018-3640 [rogue system register read] aka 'Variant 3a'
CVE-2018-3639 [speculative store bypass] aka 'Variant 4'
CVE-2018-3615 [L1 terminal fault] aka 'Foreshadow (SGX)'
CVE-2018-3620 [L1 terminal fault] aka 'Foreshadow-NG (OS)'
CVE-2018-3646 [L1 terminal fault] aka 'Foreshadow-NG (VMM)'

Ref:
Add spectre-meltdown-checker to LKFT
https://projects.linaro.org/browse/KV-125

Change-Id: I1fdc3120cc575bf37bcea7f2cf0b02c3ad30e38a
Signed-off-by: Naresh Kamboju <naresh.kamboju@linaro.org>

1 files changed, 69 insertions, 0 deletions

diff --git a/automated/linux/spectre-meltdown-checker-test/spectre-meltdown-checker-test.sh b/automated/linux/spectre-meltdown-checker-test/spectre-meltdown-checker-test.sh
new file mode 100755
index 0000000..b54d591
--- /dev/null
+++ b/automated/linux/spectre-meltdown-checker-test/spectre-meltdown-checker-test.sh
@@ -0,0 +1,69 @@
+#!/bin/sh
+
+# shellcheck disable=SC1091
+. ../../lib/sh-test-lib
+OUTPUT="$(pwd)/output"
+RESULT_FILE="${OUTPUT}/result.txt"
+LOG_FILE="smc_logfile"
+export RESULT_FILE
+SMC_VERSION=v0.40
+SKIP_INSTALL="False"
+WGET_UPSTREAM="False"
+SMC_PATH=/opt/spectre-meltdown-checker
+
+usage() {
+    echo "Usage: $0 [-s <true|false>] [-v <smc_version>] [-w <true|false>]" 1>&2
+    exit 1
+}
+
+while getopts "s:v:w:h" o; do
+  case "$o" in
+    s) SKIP_INSTALL="${OPTARG}" ;;
+    v) SMC_VERSION="${OPTARG}" ;;
+    w) WGET_UPSTREAM="${OPTARG}" ;;
+    h|*) usage ;;
+  esac
+done
+
+smc_install() {
+    mkdir -p "${SMC_PATH}"
+    # shellcheck disable=SC2164
+    cd "${SMC_PATH}"
+    info_msg "Download spectre meltdown checker source code"
+    # shellcheck disable=SC2140
+    wget https://github.com/speed47/spectre-meltdown-checker/archive/"${SMC_VERSION}".tar.gz
+    tar --strip-components=1 -xf "${SMC_VERSION}".tar.gz
+}
+
+# Parse SMC output
+parse_smc_output() {
+    grep "SUMMARY" "$1" \
+        | cut -d' ' -f3-12 \
+        | sed -e's/ /\n/g' \
+        | sed 's/OK/pass/; s/KO/fail/'  >> "${RESULT_FILE}"
+}
+
+smc_run() {
+    ./spectre-meltdown-checker.sh | tee "${OUTPUT}/${LOG_FILE}.log"
+    parse_smc_output "${OUTPUT}/${LOG_FILE}.log"
+}
+
+# Create output directory
+create_out_dir "${OUTPUT}"
+
+if [ "${SKIP_INSTALL}" = "True" ] || [ "${SKIP_INSTALL}" = "true" ]; then
+    info_msg "install skipped"
+    # shellcheck disable=SC2164
+    cd "${SMC_PATH}"
+elif [ "${WGET_UPSTREAM}" = "True" ] || [ "${WGET_UPSTREAM}" = "true" ]; then
+    info_msg "install spectre meltdown checker"
+    smc_install
+else
+    # Use the pre-copied spectre-meltdown-checker.sh from
+    # cd test-definitions/automated/linux/spectre-meltdown-checker-test/bin
+    # shellcheck disable=SC2164
+    cd bin
+fi
+
+# Test run
+smc_run