From a398f3b7420525b11c31dadf07b0cd696f1f6d3c Mon Sep 17 00:00:00 2001
From: xengineering <me@xengineering.eu>
Date: Fri, 21 Mar 2025 22:48:02 +0100
Subject: fw: Use MCUboot bootloader for nucleo_f767zi
Using it for the native_sim board is not trivial. Thus it is first only
added for the Nucleo board.
---
fw/CMakeLists.txt | 17 +++++++++++++++++
fw/nucleo.conf | 5 +++++
fw/nucleo.sh | 29 +++++++++++++++++++++++------
fw/zephyrproject/bootloader/bootloader.conf | 7 +++++++
4 files changed, 52 insertions(+), 6 deletions(-)
create mode 100644 fw/nucleo.conf
create mode 100644 fw/zephyrproject/bootloader/bootloader.conf
(limited to 'fw')
diff --git a/fw/CMakeLists.txt b/fw/CMakeLists.txt
index 8d9591f..eff06f2 100644
--- a/fw/CMakeLists.txt
+++ b/fw/CMakeLists.txt
@@ -11,6 +11,23 @@ set(ZEPHYR_MODULES
"${CMAKE_CURRENT_SOURCE_DIR}/zephyrproject/modules/crypto/mbedtls"
"${CMAKE_CURRENT_SOURCE_DIR}/zephyrproject/bootloader/mcuboot"
)
+
+string(REPLACE ";" "," ZEPHYR_MODULES_COMMA "${ZEPHYR_MODULES}")
+include(ExternalProject)
+ExternalProject_Add(
+ bootloader
+ PREFIX bootloader
+ SOURCE_DIR "${CMAKE_CURRENT_SOURCE_DIR}/zephyrproject/bootloader/mcuboot/boot/zephyr"
+ BINARY_DIR "${CMAKE_CURRENT_BINARY_DIR}/bootloader"
+ INSTALL_COMMAND ""
+ LIST_SEPARATOR ","
+ CMAKE_ARGS
+ "-DBOARD=nucleo_f767zi"
+ "-DZEPHYR_MODULES=${ZEPHYR_MODULES_COMMA}"
+ "-DEXTRA_CONF_FILE=${CMAKE_CURRENT_SOURCE_DIR}/zephyrproject/bootloader/bootloader.conf"
+ -DCONFIG_BOOT_SIGNATURE_KEY_FILE="${KEY}"
+)
+
find_package(Zephyr
REQUIRED
HINTS
diff --git a/fw/nucleo.conf b/fw/nucleo.conf
new file mode 100644
index 0000000..32e6d4a
--- /dev/null
+++ b/fw/nucleo.conf
@@ -0,0 +1,5 @@
+# This Source Code Form is subject to the terms of the Mozilla Public License,
+# v. 2.0. If a copy of the MPL was not distributed with this file, You can
+# obtain one at https://mozilla.org/MPL/2.0/.
+
+CONFIG_BOOTLOADER_MCUBOOT=y
diff --git a/fw/nucleo.sh b/fw/nucleo.sh
index 24966b1..be694b8 100755
--- a/fw/nucleo.sh
+++ b/fw/nucleo.sh
@@ -23,24 +23,41 @@ SCRIPT="$(realpath "$0")"
FW="$(dirname "$SCRIPT")"
ROOT="$(dirname "$FW")"
BUILD="${ROOT}/nucleo"
-FIRMWARE="${BUILD}/fw/zephyr/zephyr.bin"
-FLASH_ADDRESS='0x8000000'
+BOOTLOADER_FIRMWARE="${BUILD}/fw/bootloader/zephyr/zephyr.bin"
+APPLICATION_FIRMWARE="${BUILD}/fw/zephyr/zephyr.bin"
+APPLICATION_FIRMWARE_SIGNED="${BUILD}/fw/zephyr/zephyr.signed.bin"
+BOOTLOADER_FLASH_ADDRESS='0x8000000'
+APPLICATION_FLASH_ADDRESS='0x8040000'
+MCUBOOT="${ROOT}/fw/zephyrproject/bootloader/mcuboot"
+IMGTOOL="${MCUBOOT}/scripts/imgtool.py"
+KEY="${HOME}/mcuboot/key.pem"
BOARD='nucleo_f767zi'
+EXTRA_CONFIGS="${ROOT}/fw/nucleo.conf"
BAUDRATE='115200'
SERIAL_PORT='/dev/ttyACM0'
CONFIG_OVERLAY="${FW}/my.conf"
-overlay_config=''
if test -f "$CONFIG_OVERLAY"
then
- overlay_config="-DEXTRA_CONF_FILE="${CONFIG_OVERLAY}""
+ EXTRA_CONFIGS="${EXTRA_CONFIGS} ${CONFIG_OVERLAY}"
fi
set -x
rm -rf "$BUILD"
-cmake "-B${BUILD}" -GNinja -DBOARD="$BOARD" "$overlay_config"
+cmake "-B${BUILD}" -GNinja -DBOARD="$BOARD" \
+ -DEXTRA_CONF_FILE="${EXTRA_CONFIGS}" -DKEY="$KEY"
ninja -C "$BUILD"
-st-flash --connect-under-reset write "$FIRMWARE" "$FLASH_ADDRESS"
+python "$IMGTOOL" sign \
+ --version 0.0.0 \
+ --header-size 0x200 \
+ --slot-size 0xc0000 \
+ --key "$KEY" \
+ "$APPLICATION_FIRMWARE" \
+ "$APPLICATION_FIRMWARE_SIGNED"
+st-flash --connect-under-reset write "$BOOTLOADER_FIRMWARE" \
+ "$BOOTLOADER_FLASH_ADDRESS"
+st-flash --connect-under-reset write "$APPLICATION_FIRMWARE_SIGNED" \
+ "$APPLICATION_FLASH_ADDRESS"
picocom -b "$BAUDRATE" "$SERIAL_PORT"
diff --git a/fw/zephyrproject/bootloader/bootloader.conf b/fw/zephyrproject/bootloader/bootloader.conf
new file mode 100644
index 0000000..c42b7fc
--- /dev/null
+++ b/fw/zephyrproject/bootloader/bootloader.conf
@@ -0,0 +1,7 @@
+# This Source Code Form is subject to the terms of the Mozilla Public License,
+# v. 2.0. If a copy of the MPL was not distributed with this file, You can
+# obtain one at https://mozilla.org/MPL/2.0/.
+
+
+CONFIG_BOOT_MAX_IMG_SECTORS_AUTO=n
+CONFIG_BOOT_SIGNATURE_TYPE_ED25519=y
--
cgit v1.2.3-70-g09d2