Implement memory spray

x1/Makefile

@@ -7,7 +7,7 @@ all: return.bin mrc.bin c/main.bin
 
 .PHONY:
 clean:
-	@rm -f *.bin */*.bin
+	@rm -f *.bin spray/*.bin c/*.bin
 
 %.bin: %.S
 	@$(AS) $<
@@ -17,4 +17,12 @@ clean:
 c/main.bin:
 	@$(CC) -nostdlib -static -fPIC -mcpu=cortex-a7 c/start.S c/main.c
 	@./extract.py a.out $@
-	#@rm -f a.out
+	@rm -f a.out
+
+spray/main.bin:
+	@$(AS) spray/top.S
+	@./extract.py -p a.out spray/top.bin
+	@$(AS) spray/bottom.S
+	@./extract.py -p a.out spray/bottom.bin
+	@./append_nop.py 15728640 spray/top.bin spray/bottom.bin spray/main.bin
+	@rm -f a.out