add create-miniloader.sh script

citruz · Jun 2, 2023 · b5ac991 · b5ac991
1 parent c0dc951
commit b5ac991
Showing 1 changed file with 18 additions and 0 deletions.
diff --git a/scripts/create-miniloader.sh b/scripts/create-miniloader.sh
@@ -0,0 +1,18 @@
+#!/bin/bash -e
+
+if [ -z "$1" ]; then
+    echo "need to provide input image"
+    exit 1
+fi
+
+input=$(realpath "$1")
+output="$(dirname "$input")/miniloader.img"
+
+if [ -f "$output" ]; then
+    echo "$output already exists"
+    exit 1
+fi
+
+dd if="$input" of="$output" bs=1M count=8
+dd if=/dev/zero of="$output" bs=1024 count=32 conv=notrunc
+echo "$output"