ext: add the source code for DSENT

This patch adds a tool called DSENT to the ext/ directory.  DSENT
is a tool that models power and area for on-chip networks.  The next
patch adds a script for using the tool.

1 files changed, 55 insertions, 0 deletions

diff --git a/ext/dsent/Makefile b/ext/dsent/Makefile
new file mode 100644
index 000000000..124188353
--- /dev/null
+++ b/ext/dsent/Makefile
@@ -0,0 +1,55 @@
+
+# Define the directories that will be compiled
+DIRS_TO_COMPILE := util tech io \
+                   model model/timing_graph \
+                   model/std_cells \
+                   model/electrical \
+                   model/electrical/router \
+                   model/optical \
+                   model/optical_graph \
+                   model/network \
+                   model/network/ATAC
+
+DIRS = $(patsubst %,$(CURDIR)/%,$(DIRS_TO_COMPILE))
+
+SRCS = $(foreach dir, $(DIRS), $(wildcard $(dir)/*.cc))
+
+OBJS = $(SRCS:%.cc=%.o)
+
+DEF_FLAGS = 
+INCLUDE_FLAGS = -I$(CURDIR)
+OPT_FLAGS = -O2 -g 
+WARN_FLAGS = -pedantic -Wall -W #-Wextra -Werror -Wno-write-strings
+CXXFLAGS = $(OPT_FLAGS) $(WARN_FLAGS) $(INCLUDE_FLAGS) $(DEF_FLAGS)
+
+LD_LIBS += -lutil
+LD_FLAGS += -Llibutil
+
+# Other libraries used 
+LIB_UTIL = libutil/libutil.a
+
+#TARGET = $(CURDIR)/libdsent.a
+TARGET = $(CURDIR)/dsent
+
+all: $(TARGET)
+
+#$(TARGET): $(OBJS)
+#	ar rcs $@ $^
+$(TARGET): main.o DSENT.o $(LIB_UTIL) $(OBJS) 
+	$(CXX) $(CXXFLAGS) $(LD_FLAGS) $(OBJS) main.o DSENT.o -o $(TARGET) $(LD_LIBS) 
+
+# For general c++ compilation
+%.o: %.cc
+	$(CXX) $(CXXFLAGS) -c $< -o $@
+
+$(LIB_UTIL):
+	$(MAKE) -C $(CURDIR)/libutil
+
+%/created:
+	mkdir -p $(dir $@)
+	touch $@
+
+.phony: clean
+clean:
+	$(RM) -rf main.o DSENT.o $(OBJS) $(TARGET)
+	$(MAKE) -C $(CURDIR)/libutil clean