more complete toplevel makefile

Makefile

+REPO_BASE= $(dir $(abspath $(lastword $(MAKEFILE_LIST))))
+
 all: \
 	corundum/corundum_verilator \
 	corundum_bm/corundum_bm \
@@ -5,27 +7,76 @@ all: \
 	net_wire/net_wire
 
 clean:
-	make -C corundum/ clean
-	make -C corundum_bm/ clean
-	make -C net_tap/ clean
-	make -C net_wire/ clean
-	make -C nicsim_common/ clean
-	make -C netsim_common/ clean
+	$(MAKE) -C corundum/ clean
+	$(MAKE) -C corundum_bm/ clean
+	$(MAKE) -C dummy_nic/ clean
+	$(MAKE) -C net_tap/ clean
+	$(MAKE) -C net_wire/ clean
+	$(MAKE) -C nicsim_common/ clean
+	$(MAKE) -C netsim_common/ clean
+
+
+####################################
+# Tools in this repo
 
 corundum/corundum_verilator: nicsim_common/libnicsim_common.a
-	make -C corundum/ all
+	$(MAKE) -C corundum/ all
 
 corundum_bm/corundum_bm: nicsim_common/libnicsim_common.a
-	make -C corundum_bm/ all
+	$(MAKE) -C corundum_bm/ all
+
+dummy_nic/dummy_nic: nicsim_common/libnicsim_common.a
+	$(MAKE) -C dummy_nic all
 
 net_tap/net_tap: netsim_common/libnetsim_common.a
-	make -C net_tap/
+	$(MAKE) -C net_tap/
 
 net_wire/net_wire: netsim_common/libnetsim_common.a
-	make -C net_wire/
+	$(MAKE) -C net_wire/
 
 nicsim_common/libnicsim_common.a:
-	make -C nicsim_common/
+	$(MAKE) -C nicsim_common/
 
 netsim_common/libnetsim_common.a:
-	make -C netsim_common/
+	$(MAKE) -C netsim_common/
+
+
+####################################
+# External dependencies
+
+external: gem5/ready qemu/ready ns-3/ready
+
+gem5:
+	git clone git@github.com:nicklijl/gem5.git gem5
+
+gem5/ready: gem5
+	+cd gem5 && scons build/X86/gem5.opt -j`nproc`
+	touch gem5/ready
+
+qemu:
+	git clone git@github.com:FreakyPenguin/qemu-cosim.git qemu
+
+qemu/ready: qemu
+	cd qemu && ./configure \
+	    --target-list=x86_64-softmmu \
+	    --disable-werror \
+	    --extra-cflags="-I$(REPO_BASE)/proto" \
+	    --enable-cosim-pci && \
+	  $(MAKE)
+	touch qemu/ready
+
+ns-3:
+	git clone git@github.com:FreakyPenguin/ns-3-cosim.git ns-3
+
+ns-3/ready: ns-3 netsim_common/libnetsim_common.a
+	+cd ns-3 && COSIM_PATH=$(REPO_BASE) ./cosim-build.sh configure
+	touch ns-3/ready
+
+####################################
+# External dependencies
+
+run-experiments: all build-images external
+	$(MAKE) -C experiments
+
+build-images:
+	$(MAKE) -C images