[isar-cip-core v2 1/2] Add recipe to cause kernel panic during system boot

[Shivanand.Kunijadar@toshiba-tsip.com]

From: Shivanand Kunijadar <Shivanand.Kunijadar@toshiba-tsip.com>

This recipe adds systemd service to cause kernel panic during system
boot.
It helps to check the swupdate-rollback feature.

Signed-off-by: Shivanand Kunijadar <Shivanand.Kunijadar@toshiba-tsip.com>
---
 kas/opt/kernel-panic.yml                      | 18 ++++++++++++++
 .../kernel-panic/files/sysrq-panic.service    | 10 ++++++++
 recipes-core/kernel-panic/kernel-panic.bb     | 24 +++++++++++++++++++
 3 files changed, 52 insertions(+)
 create mode 100644 kas/opt/kernel-panic.yml
 create mode 100644 recipes-core/kernel-panic/files/sysrq-panic.service
 create mode 100644 recipes-core/kernel-panic/kernel-panic.bb

diff --git a/kas/opt/kernel-panic.yml b/kas/opt/kernel-panic.yml
new file mode 100644
index 0000000..47df7b1
--- /dev/null
+++ b/kas/opt/kernel-panic.yml
@@ -0,0 +1,18 @@
+#
+# CIP Core, generic profile
+#
+# Copyright (c) Toshiba Corporation, 2022
+#
+# Authors:
+#  Shivanand Kunijadar <Shivanand.Kunijadar@toshiba-tsip.com>
+#
+# SPDX-License-Identifier: MIT
+#
+# This kas file adds systemd service file to cause kernel panic during system boot.
+
+header:
+  version: 10
+
+local_conf_header:
+  kernel-panic: |
+    IMAGE_INSTALL_append = " kernel-panic"
diff --git a/recipes-core/kernel-panic/files/sysrq-panic.service b/recipes-core/kernel-panic/files/sysrq-panic.service
new file mode 100644
index 0000000..169a97c
--- /dev/null
+++ b/recipes-core/kernel-panic/files/sysrq-panic.service
@@ -0,0 +1,10 @@
+[Unit]
+Description=sysrq panic
+
+[Service]
+Type=oneshot
+ExecStart=/bin/sh -c "echo c > /proc/sysrq-trigger"
+
+[Install]
+WantedBy=default.target
+
diff --git a/recipes-core/kernel-panic/kernel-panic.bb b/recipes-core/kernel-panic/kernel-panic.bb
new file mode 100644
index 0000000..511febb
--- /dev/null
+++ b/recipes-core/kernel-panic/kernel-panic.bb
@@ -0,0 +1,24 @@
+#
+# CIP Core, generic profile
+#
+# Copyright (c) Toshiba Corporation, 2022
+#
+# Authors:
+#  Shivanand Kunijadar <Shivanand.Kunijadar@toshiba-tsip.com>
+#
+# SPDX-License-Identifier: MIT
+#
+
+inherit dpkg-raw
+
+DESCRIPTION = "Systemd service file to cause kernel panic"
+
+SRC_URI = " \
+    file://sysrq-panic.service"
+
+do_install() {
+	install -v -d ${D}/lib/systemd/system
+	install -v -m 0644 ${WORKDIR}/sysrq-panic.service ${D}/lib/systemd/system/
+	install -v -d ${D}/etc/systemd/system/default.target.wants
+	ln -s /lib/systemd/system/sysrq-panic.service ${D}/etc/systemd/system/default.target.wants/
+}
-- 
2.20.1