From dfdb41a87527eed1177e206a424740096de147e5 Mon Sep 17 00:00:00 2001
From: Byron Lathi <bslathi19@gmail.com>
Date: Mon, 14 Aug 2023 23:44:51 -0700
Subject: [PATCH] Automatically copy rom image and warn about rebuild

---
 sw/bios/Makefile | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/sw/bios/Makefile b/sw/bios/Makefile
index 2b3d72f..8ada355 100644
--- a/sw/bios/Makefile
+++ b/sw/bios/Makefile
@@ -21,7 +21,16 @@ all: $(HEX)
 
 $(HEX): $(BIN)
 	objcopy --input-target=binary --output-target=verilog $(BIN) $(HEX)
-	cmp $(HEX) $(FPGA_IMG)
+	cmp $(HEX) $(FPGA_IMG); \
+	RETVAL=$$?; \
+    if [ $$RETVAL -eq 0 ]; then \
+            echo "SAME"; \
+    else \
+            echo "NOT SAME"; \
+			cp bios.hex ../../hw/efinix_fpga/init_hex.mem; \
+			echo "Update ROM or rebuild FPGA image!"; \
+    fi
+
 	
 
 $(BIN): $(OBJS)