create boom (2018) dir

.gitmodules

@@ -7,3 +7,6 @@
 [submodule "rocket18/riscv-fesvr"]
 	path = rocket18/riscv-fesvr
 	url = https://github.com/riscv/riscv-fesvr.git
+[submodule "boom/riscv-fesvr"]
+	path = boom/riscv-fesvr
+	url = https://github.com/riscv/riscv-fesvr.git

boom/.gitignore

@@ -0,0 +1,4 @@
+.riscv-fesvr/build
+emulator
+TestHarness.h
+riscv/

boom/Makefile

@@ -0,0 +1,29 @@
+CXXFLAGS = -O3 -std=c++11
+CLANG_FLAGS = -fno-slp-vectorize -fbracket-depth=1024
+
+UNAME_OS := $(shell uname -s)
+ifeq ($(UNAME_OS),Darwin)
+	CXXFLAGS += $(CLANG_FLAGS)
+endif
+
+ifeq ($(ALL_ON),1)
+	CXXFLAGS += -DALL_ON
+endif
+
+INCLUDES = -I../csrc -Iriscv/include -I../firrtl-sig
+
+LIBS = -Lriscv/lib -Wl,-rpath,riscv/lib -lfesvr -lpthread
+
+riscv_dir := $(shell pwd)/riscv
+
+riscv/lib/libfesvr.so:
+	git submodule update --init riscv-fesvr
+	cd riscv-fesvr; git checkout `cat ../fesvr.commit`
+	mkdir $(riscv_dir)
+	cd riscv-fesvr; mkdir build; cd build; ../configure --prefix=$(riscv_dir) --target=riscv64-unknown-elf; make install
+
+TestHarness.h:
+	cd ../essent; sbt 'run ../boom/boom.system.TestHarness.BoomConfig.fir'
+
+emulator: emulator.cc TestHarness.h riscv/lib/libfesvr.so
+	$(CXX) $(CXXFLAGS) $(INCLUDES) emulator.cc -o emulator $(LIBS)

boom/boom-template.commit

@@ -0,0 +1 @@
+e2a41ddc2a325850eaf1cabb353eed9728adfb8f

boom/fesvr.commit

@@ -0,0 +1 @@
+68c12d06ebbdfe20856b886570822fe66804fd26