Vortex 2.0 changes:

+ Microarchitecture optimizations
+ 64-bit support
+ Xilinx FPGA support
+ LLVM-16 support
+ Refactoring and quality control fixes

tests/regression/common.mk

@@ -0,0 +1,120 @@
+XLEN ?= 32
+
+TARGET ?= opaesim
+
+XRT_SYN_DIR ?= ../../../hw/syn/xilinx/xrt
+XRT_DEVICE_INDEX ?= 0
+
+ifeq ($(XLEN),64)
+RISCV_TOOLCHAIN_PATH ?= /opt/riscv64-gnu-toolchain
+VX_CFLAGS += -march=rv64imafd -mabi=lp64d
+STARTUP_ADDR ?= 0x180000000
+else
+RISCV_TOOLCHAIN_PATH ?= /opt/riscv-gnu-toolchain
+VX_CFLAGS += -march=rv32imaf -mabi=ilp32f
+STARTUP_ADDR ?= 0x80000000
+endif
+
+RISCV_PREFIX ?= riscv$(XLEN)-unknown-elf
+RISCV_SYSROOT ?= $(RISCV_TOOLCHAIN_PATH)/$(RISCV_PREFIX)
+
+VORTEX_RT_PATH ?= $(realpath ../../../runtime)
+VORTEX_KN_PATH ?= $(realpath ../../../kernel)
+
+FPGA_BIN_DIR ?= $(VORTEX_RT_PATH)/opae
+
+LLVM_VORTEX ?= /opt/llvm-vortex
+
+LLVM_CFLAGS += --sysroot=$(RISCV_SYSROOT)
+LLVM_CFLAGS += --gcc-toolchain=$(RISCV_TOOLCHAIN_PATH)
+LLVM_CFLAGS += -Xclang -target-feature -Xclang +vortex
+#LLVM_CFLAGS += -mllvm -vortex-branch-divergence=2
+#LLVM_CFLAGS += -mllvm -print-after-all 
+#LLVM_CFLAGS += -I$(RISCV_SYSROOT)/include/c++/9.2.0/$(RISCV_PREFIX) 
+#LLVM_CFLAGS += -I$(RISCV_SYSROOT)/include/c++/9.2.0
+#LLVM_CFLAGS += -Wl,-L$(RISCV_TOOLCHAIN_PATH)/lib/gcc/$(RISCV_PREFIX)/9.2.0
+#LLVM_CFLAGS += --rtlib=libgcc
+
+VX_CC  = $(LLVM_VORTEX)/bin/clang $(LLVM_CFLAGS)
+VX_CXX = $(LLVM_VORTEX)/bin/clang++ $(LLVM_CFLAGS)
+VX_DP  = $(LLVM_VORTEX)/bin/llvm-objdump 
+VX_CP  = $(LLVM_VORTEX)/bin/llvm-objcopy
+
+#VX_CC  = $(RISCV_TOOLCHAIN_PATH)/bin/$(RISCV_PREFIX)-gcc
+#VX_CXX = $(RISCV_TOOLCHAIN_PATH)/bin/$(RISCV_PREFIX)-g++
+#VX_DP  = $(RISCV_TOOLCHAIN_PATH)/bin/$(RISCV_PREFIX)-objdump
+#VX_CP  = $(RISCV_TOOLCHAIN_PATH)/bin/$(RISCV_PREFIX)-objcopy
+
+VX_CFLAGS += -v -O3 -std=c++17
+VX_CFLAGS += -mcmodel=medany -fno-rtti -fno-exceptions -nostartfiles -fdata-sections -ffunction-sections
+VX_CFLAGS += -I$(VORTEX_KN_PATH)/include -I$(VORTEX_KN_PATH)/../hw
+VX_CFLAGS += -DNDEBUG -DLLVM_VORTEX
+
+VX_LDFLAGS += -Wl,-Bstatic,--gc-sections,-T,$(VORTEX_KN_PATH)/linker/vx_link$(XLEN).ld,--defsym=STARTUP_ADDR=$(STARTUP_ADDR) $(VORTEX_KN_PATH)/libvortexrt.a
+
+CXXFLAGS += -std=c++17 -Wall -Wextra -pedantic -Wfatal-errors
+CXXFLAGS += -I$(VORTEX_RT_PATH)/include -I$(VORTEX_KN_PATH)/../hw
+
+LDFLAGS += -L$(VORTEX_RT_PATH)/stub -lvortex
+
+# Debugigng
+ifdef DEBUG
+	CXXFLAGS += -g -O0
+else    
+	CXXFLAGS += -O2 -DNDEBUG
+endif
+
+ifeq ($(TARGET), fpga)
+	OPAE_DRV_PATHS ?= libopae-c.so
+else
+ifeq ($(TARGET), asesim)
+	OPAE_DRV_PATHS ?= libopae-c-ase.so
+else
+ifeq ($(TARGET), opaesim)
+	OPAE_DRV_PATHS ?= libopae-c-sim.so
+endif	
+endif
+endif
+
+all: $(PROJECT) kernel.bin kernel.dump
+
+kernel.dump: kernel.elf
+	$(VX_DP) -D kernel.elf > kernel.dump
+
+kernel.bin: kernel.elf
+	$(VX_CP) -O binary kernel.elf kernel.bin
+
+kernel.elf: $(VX_SRCS)
+	$(VX_CXX) $(VX_CFLAGS) $(VX_SRCS) $(VX_LDFLAGS) -o kernel.elf
+
+$(PROJECT): $(SRCS)
+	$(CXX) $(CXXFLAGS) $^ $(LDFLAGS) -o $@
+
+run-simx: $(PROJECT) kernel.bin   
+	LD_LIBRARY_PATH=$(VORTEX_RT_PATH)/simx:$(LD_LIBRARY_PATH) ./$(PROJECT) $(OPTS)
+	
+run-opae: $(PROJECT) kernel.bin   
+	SCOPE_JSON_PATH=$(FPGA_BIN_DIR)/scope.json OPAE_DRV_PATHS=$(OPAE_DRV_PATHS) LD_LIBRARY_PATH=$(VORTEX_RT_PATH)/opae:$(LD_LIBRARY_PATH) ./$(PROJECT) $(OPTS)
+
+run-rtlsim: $(PROJECT) kernel.bin   
+	LD_LIBRARY_PATH=$(VORTEX_RT_PATH)/rtlsim:$(LD_LIBRARY_PATH) ./$(PROJECT) $(OPTS)
+
+run-xrt: $(PROJECT) kernel.bin
+ifeq ($(TARGET), hw)
+	SCOPE_JSON_PATH=$(FPGA_BIN_DIR)/scope.json XRT_INI_PATH=$(XRT_SYN_DIR)/xrt.ini EMCONFIG_PATH=$(FPGA_BIN_DIR) XRT_DEVICE_INDEX=$(XRT_DEVICE_INDEX) XRT_XCLBIN_PATH=$(FPGA_BIN_DIR)/vortex_afu.xclbin LD_LIBRARY_PATH=$(XILINX_XRT)/lib:$(VORTEX_RT_PATH)/xrt:$(LD_LIBRARY_PATH) ./$(PROJECT) $(OPTS)
+else
+	XCL_EMULATION_MODE=$(TARGET) XRT_INI_PATH=$(XRT_SYN_DIR)/xrt.ini EMCONFIG_PATH=$(FPGA_BIN_DIR) XRT_DEVICE_INDEX=$(XRT_DEVICE_INDEX) XRT_XCLBIN_PATH=$(FPGA_BIN_DIR)/vortex_afu.xclbin LD_LIBRARY_PATH=$(XILINX_XRT)/lib:$(VORTEX_RT_PATH)/xrt:$(LD_LIBRARY_PATH) ./$(PROJECT) $(OPTS)	
+endif
+
+.depend: $(SRCS)
+	$(CXX) $(CXXFLAGS) -MM $^ > .depend;
+
+clean:
+	rm -rf $(PROJECT) *.o .depend
+
+clean-all: clean
+	rm -rf *.elf *.bin *.dump
+
+ifneq ($(MAKECMDGOALS),clean)
+    -include .depend
+endif