seemingly working fp32 implementation

hw/unittest/tensor/Makefile

@@ -0,0 +1,89 @@
+DESTDIR ?= .
+RTL_DIR = ../../rtl
+DPI_DIR = $(abspath ../../dpi)
+SIM_DIR = ../../../sim
+THIRD_PARTY_DIR = $(abspath ../../../third_party)
+
+CONFIGS +=
+PARAMS +=
+
+CXXFLAGS += -std=c++17 -Wall -Wextra -Wfatal-errors -Wno-array-bounds
+CXXFLAGS += -fPIC -Wno-maybe-uninitialized
+CXXFLAGS += -fcoroutines
+CXXFLAGS += -I../../.. -I../../common -I../../../../sim/common
+CXXFLAGS += -I/$(THIRD_PARTY_DIR)/softfloat/source/include
+CXXFLAGS += -I/$(DPI_DIR)
+CXXFLAGS += $(CONFIGS)
+
+LDFLAGS += $(THIRD_PARTY_DIR)/softfloat/build/Linux-x86_64-GCC/softfloat.a
+
+# control RTL debug tracing states
+DBG_TRACE_FLAGS += -DDBG_TRACE_CACHE_BANK 
+DBG_TRACE_FLAGS += -DDBG_TRACE_CACHE_MSHR
+DBG_TRACE_FLAGS += -DDBG_TRACE_CACHE_TAG
+DBG_TRACE_FLAGS += -DDBG_TRACE_CACHE_DATA
+
+DBG_FLAGS += -DDEBUG_LEVEL=$(DEBUG) -DVCD_OUTPUT $(DBG_TRACE_FLAGS)
+
+RTL_PKGS = $(RTL_DIR)/VX_gpu_pkg.sv
+
+RTL_INCLUDE = -I$(RTL_DIR) -I$(DPI_DIR) -I$(RTL_DIR)/libs -I$(RTL_DIR)/fpu
+
+# SRCS = cachesim.cpp testbench.cpp
+SRCS += $(DPI_DIR)/util_dpi.cpp
+SRCS += $(DPI_DIR)/float_dpi.cpp
+SRCS += $(SIM_DIR)/common/rvfloats.cpp
+SRCS += ./main.cpp
+
+RTL_SRCS += $(RTL_DIR)/fpu/VX_tensor_core.sv
+RTL_SRCS += $(RTL_DIR)/fpu/VX_tensor_tb.sv
+
+TOP = VX_tensor_tb
+
+VL_FLAGS = --exe
+VL_FLAGS += --language 1800-2009 # -Wall -Wpedantic # --assert 
+VL_FLAGS += -Wno-DECLFILENAME -Wno-REDEFMACRO
+VL_FLAGS += --x-initial unique --x-assign unique
+VL_FLAGS += -DSIMULATION -DSV_DPI
+VL_FLAGS += $(CONFIGS)
+VL_FLAGS += $(PARAMS)
+VL_FLAGS += $(RTL_INCLUDE)
+VL_FLAGS += $(RTL_PKGS)
+VL_FLAGS += --cc $(TOP) --top-module $(TOP)
+VL_FLAGS += --timing
+
+# Enable Verilator multithreaded simulation
+THREADS ?= $(shell python -c 'import multiprocessing as mp; print(mp.cpu_count())')
+VL_FLAGS += -j $(THREADS)
+#VL_FLAGS += --threads $(THREADS)
+
+# Debugigng
+ifdef DEBUG
+	VL_FLAGS += --trace --trace-structs $(DBG_FLAGS)
+	CXXFLAGS += -g -O0 $(DBG_FLAGS)
+else    
+	VL_FLAGS += -DNDEBUG
+	CXXFLAGS += -O2 -DNDEBUG
+endif
+
+# Enable perf counters
+ifdef PERF
+	VL_FLAGS += -DPERF_ENABLE
+	CXXFLAGS += -DPERF_ENABLE
+endif
+
+PROJECT = tensor
+
+all: $(DESTDIR)/$(PROJECT)
+	
+$(DESTDIR)/$(PROJECT): $(SRCS) $(RTL_SRCS)
+	verilator --build $(VL_FLAGS) $(SRCS) -CFLAGS '$(CXXFLAGS)' -LDFLAGS '$(LDFLAGS)' -o ../$@
+
+run: $(DESTDIR)/$(PROJECT)
+	$(DESTDIR)/$(PROJECT)
+
+waves: trace.vcd
+	gtkwave -o trace.vcd
+
+clean:
+	rm -rf obj_dir $(DESTDIR)/$(PROJECT)