From 5fa82cc4cb9bc720ed240b1a6ceb63a3c8b97455 Mon Sep 17 00:00:00 2001
From: Pavol Rusnak <stick@gk2.sk>
Date: Wed, 19 Jul 2017 12:52:36 +0200
Subject: [PATCH] bootloader: align during docker build

---
 bootloader-docker-build.sh   | 2 +-
 bootloader/firmware_align.py | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/bootloader-docker-build.sh b/bootloader-docker-build.sh
index 7387d6314..529e1528b 100755
--- a/bootloader-docker-build.sh
+++ b/bootloader-docker-build.sh
@@ -12,7 +12,7 @@ docker run -t -v $(pwd)/output:/output $IMAGETAG /bin/sh -c "\
 	git submodule update --init && \
 	CFLAGS='-std=c99' make -C vendor/libopencm3 && \
 	make && \
-	make -C bootloader && \
+	make -C bootloader align && \
 	cp bootloader/bootloader.bin /output/bootloader-$FIRMWARETAG.bin"
 
 echo "---------------------"
diff --git a/bootloader/firmware_align.py b/bootloader/firmware_align.py
index 5be6e7163..b07bf0eb2 100755
--- a/bootloader/firmware_align.py
+++ b/bootloader/firmware_align.py
@@ -7,5 +7,5 @@ fs = os.stat(fn).st_size
 if fs > 32768:
 	raise Exception('bootloader has to be smaller than 32768 bytes')
 with open(fn, 'ab') as f:
-	f.write(os.urandom(32768 - fs))
+	f.write(b'\xFF' * (32768 - fs))
 	f.close()