Default options in config.mk, test targets

config.mk

@@ -4,12 +4,22 @@ MAKEFLAGS += --no-print-directory
 .PRECIOUS: %.o
 .PRECIOUS: %.asm
 
+TARGET ?= main.elf
+SRCS ?= $(wildcard *.cc)
+HDRS ?= $(wildcard *.h)
+
 OBJS = $(SRCS:.cc=.o)
 ASMS = $(SRCS:.cc=.asm)
 
 all: $(TARGET) $(ASMS)
 $(TARGET): $(OBJS)
 
+test: $(TARGET)
+	./$(TARGET)
+
+check: $(SRCS) $(HDRS)
+	cppcheck --language=c++ $^
+
 asm: $(ASMS)
 
 %.o: %.cc
@@ -27,4 +37,4 @@ asm: $(ASMS)
 clean:
 	rm -f *.elf *.asm *.o
 
-.PHONY: clean all asm
+.PHONY: clean all asm check test