build: add directory-oriented make workflows

firmware/scripts/create-dfu-image.sh

@@ -2,8 +2,8 @@
 set -euo pipefail
 
 if [[ $# -lt 1 || $# -gt 2 ]]; then
-    printf 'Usage: %s <firmware.elf> [memory.x]\n' "$0" >&2
-    exit 2
+	printf 'Usage: %s <firmware.elf> [memory.x]\n' "$0" >&2
+	exit 2
 fi
 
 readonly input_elf="$1"
@@ -15,18 +15,18 @@ readonly host="$(rustc -vV | sed -n 's/^host: //p')"
 readonly llvm_objcopy="$(rustc --print sysroot)/lib/rustlib/$host/bin/llvm-objcopy"
 
 if [[ ! -f "$input_elf" ]]; then
-    printf 'firmware ELF does not exist: %s\n' "$input_elf" >&2
-    exit 1
+	printf 'firmware ELF does not exist: %s\n' "$input_elf" >&2
+	exit 1
 fi
 
 if [[ ! -f "$memory_x" ]]; then
-    printf 'cannot find linker layout: %s\n' "$memory_x" >&2
-    exit 1
+	printf 'cannot find linker layout: %s\n' "$memory_x" >&2
+	exit 1
 fi
 
 if [[ ! -x "$llvm_objcopy" ]]; then
-    printf 'llvm-objcopy is unavailable; install it with: rustup component add llvm-tools-preview\n' >&2
-    exit 1
+	printf 'llvm-objcopy is unavailable; install it with: rustup component add llvm-tools-preview\n' >&2
+	exit 1
 fi
 
 "$script_directory/analyze-fw.py" "$input_elf" "$memory_x"