[image_gen] add warning: image is not a mult. of 4

stnolting · Oct 3, 2024 · 36717c9 · 36717c9
1 parent 1f7bc8a
commit 36717c9
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Showing 2 changed files with 5 additions and 1 deletion.
diff --git a/sw/common/common.mk b/sw/common/common.mk
@@ -153,7 +153,7 @@ target bootloader | bl_image: CC_OPTS += -Wl,--defsym=MAKE_BOOTLOADER=1 -DMAKE_B
 # -----------------------------------------------------------------------------
 # Compile image generator
 $(IMAGE_GEN): $(NEORV32_EXG_PATH)/image_gen.c
-	@echo Compiling $(IMAGE_GEN)
+	@echo Compiling image generator...
 	@$(CC_HOST) $< -o $(IMAGE_GEN)
 
 # -----------------------------------------------------------------------------

diff --git a/sw/image_gen/image_gen.c b/sw/image_gen/image_gen.c
@@ -83,6 +83,10 @@ int main(int argc, char *argv[]) {
   unsigned int input_words = input_size / 4;
   rewind(input);
 
+  if ((input_size % 4) != 0) {
+    printf("WARNING - image size is not a multiple of 4 bytes.\n");
+  }
+
   // input file empty?
   if(input_size == 0) {
     printf("Input file is empty!");