CXX = g++
CXXFLAGS = -Wall -Werror -Wno-unused -O
RANLIB = ranlib
PATCH = $(shell test `uname` = SunOS && echo gpatch || echo patch)
TAR = $(shell test `uname` = SunOS && echo gtar || echo tar)
JAVA = java
JAVAC = javac

nestedvm = $(HOME)/Work/nestedvm

PATH := $(nestedvm)/upstream/install/bin:$(PATH)
MIPS_CC = mips-unknown-elf-gcc
MIPS_CFLAGS = -O2
MIPS_LDFLAGS = -s --static -Wl,--gc-sections

apps = CPU
arch_url = http://www.cs.rit.edu/~icsg720/pub/misc/arch2-5a.tar.gz

CPU: CPU.o globals.o Adder.o Injector.o SuperBus.o make_connections.o fetch.o decode.o execute.o memory.o writeback.o branch.o forward.o syscall.o lib/libarch.a

.PRECIOUS: %.arch %.mips %.class

all: $(apps)

%.o: %.C lib/Clock.h
	$(CXX) $(CXXFLAGS) -c -Ilib -o $@ $<

$(apps): %:
	$(CXX) -o $@ $(LDFLAGS) $^

test: test-fib test-matrix_add test-test
	@echo "======================"
	@echo "| All tests passed!! |"
	@echo "======================"

%.mips: %.c
	$(MIPS_CC) $(MIPS_CFLAGS) $(MIPS_LDFLAGS) -o $@ $^

%.class: %.java
	$(JAVAC) -classpath "$(nestedvm)/build:." $<

%.arch: %.mips ELF2Arch.class
	$(JAVA) -cp "$(nestedvm)/build:." ELF2Arch $< > $@

test-%: %.arch CPU
	./CPU $<

#test-fib: CPU
#	N="`./CPU fib.arch nodebug | sed -n 's/R2\[\(.*\)\]/\1/p;'`"; \
#	echo "Fib(7): $$N"; echo; \
#	[ "$$N"  = "00000015" ]

#test-matrix: CPU
#	M=`./CPU matrix_add.arch  nodebug 0x11020 16 | sed -n '/MEMORY DUMP/,$$s/^0[^ ]* //p;' | tr '\n' ' '`; \
#	echo "Matrix: $$M"; echo; \
#	[ "$$M" = "00 00 00 0a 00 00 00 07 00 00 00 0b 00 00 00 0f " ]
	

clean:
	rm -f *.o *.arch *.mips $(apps)

push:
	darcs push charger.brianweb.net:/home/darcs/arch
	darcs dist -d arch-snapshot
	scp arch-snapshot.tar.gz charger:/home/darcs/arch
	
lib/Clock.h:
	mkdir -p lib
	test -f lib/Clock.h || wget -O - $(arch_url) | $(TAR) -xvzf- -C lib
	test -f lib/GNUmakefile || (cd lib && $(PATCH) -p0 < ../arch.patch)

lib/libarch.a: lib/Clock.h
	$(MAKE) -C lib -f GNUmakefile CXX="$(CXX)" CXXFLAGS="$(filter-out -Werror,$(CXXFLAGS))" RANLIB="$(RANLIB)"