diff --git a/tools/build-in-qemu.sh b/tools/build-in-qemu.sh
index a14913f..ebd2093 100644
--- a/tools/build-in-qemu.sh
+++ b/tools/build-in-qemu.sh
@@ -1,4 +1,28 @@
 #!/bin/sh
+#
+# build-in-qemu.sh
+#
+# Expects running armhf qemu system, builds the binary inside.
+#
+# ISC License
+#
+# Copyright 2025 Brmlab, z.s.
+# Dominik Pantůček <dominik.pantucek@trustica.cz>
+#
+# Permission to use, copy, modify, and/or distribute this software
+# for any purpose with or without fee is hereby granted, provided
+# that the above copyright notice and this permission notice appear
+# in all copies.
+# 
+# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
+# WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
+# WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
+# AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR
+# CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
+# OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
+# NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+# CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+#
 
 if [ -z "$1" ] ; then
     echo "Usage: $0 password"
diff --git a/tools/run-build-qemu-system.sh b/tools/run-build-qemu-system.sh
new file mode 100644
index 0000000..c76d8b8
--- /dev/null
+++ b/tools/run-build-qemu-system.sh
@@ -0,0 +1,38 @@
+#!/bin/sh
+#
+# run-build-qemu-system.sh
+#
+# Runs the emulated armhf system for building the application.
+#
+# ISC License
+#
+# Copyright 2025 Brmlab, z.s.
+# Dominik Pantůček <dominik.pantucek@trustica.cz>
+#
+# Permission to use, copy, modify, and/or distribute this software
+# for any purpose with or without fee is hereby granted, provided
+# that the above copyright notice and this permission notice appear
+# in all copies.
+# 
+# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
+# WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
+# WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
+# AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR
+# CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
+# OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
+# NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+# CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+#
+
+qemu-system-armhf \
+    -machine raspi2b \
+    -nographic \
+    -dtb bcm2710-rpi-3-b-plus.dtb \
+    -m 1G \
+    -smp 4 \
+    -kernel kernel7.img \
+    -sd 2019-04-08-raspbian-stretch.img \
+    -append "rw earlyprintk loglevel=8 console=ttyAMA0,115200 root=/dev/mmcblk0p2 rootdelay=1 dwc_otg.fiq_fsm_enable=0" \
+    -usb \
+    -device usb-net,netdev=net0 \
+    -netdev user,id=net0,hostfwd=tcp::2222-:22