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authorxengineering <me@xengineering.eu>2025-04-06 19:05:20 +0200
committerxengineering <me@xengineering.eu>2025-04-06 19:11:20 +0200
commitf6f6d285c318d28bddfb99cf04104a5306a97c78 (patch)
treeb15633e33d630811abdc72298ae7114e83de0fe1
parent7fc6bc84609022992e1827a07b95c427208e7289 (diff)
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fw: app: Add image signing to Meson build
This automates signing the application firmware image for the MCUboot bootloader.
-rw-r--r--fw/app/meson.build19
-rw-r--r--fw/rtos/modules/meson.build4
-rw-r--r--web/layouts/home.html2
3 files changed, 22 insertions, 3 deletions
diff --git a/fw/app/meson.build b/fw/app/meson.build
index d477331..97c17f1 100644
--- a/fw/app/meson.build
+++ b/fw/app/meson.build
@@ -14,7 +14,8 @@ external_project.add_project(
verbose: true,
)
-application = custom_target('application',
+application = custom_target(
+ 'application',
output: ['application.bin'],
command: [
build_zephyr,
@@ -22,7 +23,23 @@ application = custom_target('application',
'--binary-name', 'zephyr.bin',
'--target-name', 'application.bin',
],
+)
+
+application_signed = custom_target(
+ 'application_signed',
+ output: ['application.signed.bin'],
+ command: [
+ imgtool,
+ 'sign',
+ '--version', '0.0.0',
+ '--header-size', '0x200',
+ '--slot-size', '0xc0000',
+ '--key', signing_key,
+ meson.current_build_dir() / 'application.bin',
+ meson.current_build_dir() / 'application.signed.bin',
+ ],
build_by_default: true,
+ depends: application,
install: true,
install_dir: 'website/static',
)
diff --git a/fw/rtos/modules/meson.build b/fw/rtos/modules/meson.build
index 52f50c2..14b14f5 100644
--- a/fw/rtos/modules/meson.build
+++ b/fw/rtos/modules/meson.build
@@ -5,4 +5,6 @@ zephyr_modules = [
meson.current_source_dir() / 'mcuboot',
]
-bootloader_firmware = meson.current_source_dir() / 'mcuboot' / 'boot' / 'zephyr'
+mcuboot = meson.current_source_dir() / 'mcuboot'
+bootloader_firmware = mcuboot / 'boot' / 'zephyr'
+imgtool = mcuboot / 'scripts' / 'imgtool.py'
diff --git a/web/layouts/home.html b/web/layouts/home.html
index f4c4e80..6bc457c 100644
--- a/web/layouts/home.html
+++ b/web/layouts/home.html
@@ -3,7 +3,7 @@
<ul>
<li><a href="static/bill-of-materials.csv">bill-of-materials.csv</a></li>
<li><a href="static/schematic.pdf">schematic.pdf</a></li>
- <li><a href="static/application.bin">application.bin</a></li>
+ <li><a href="static/application.signed.bin">application.signed.bin</a></li>
<li><a href="static/bootloader.bin">bootloader.bin</a></li>
<li><a href="static/simulation-linux-amd64.exe">simulation-linux-amd64.exe</a></li>
</ul>