# check RISCV environment variable
ifndef RISCV
$(error Please set environment variable RISCV. Please take a look at README)
endif

MODEL := Top
PROJECT := rocketchip
CXX ?= g++
CXXFLAGS := -O1

SBT := java -Xmx2048M -Xss8M -XX:MaxPermSize=128M -jar sbt-launch.jar
SHELL := /bin/bash

CHISEL_ARGS := $(MODEL) --W0W --minimumCompatibility 3.0.0 --backend $(BACKEND) --configInstance $(PROJECT).$(CONFIG) --compileInitializationUnoptimized --targetDir $(generated_dir)

src_path = src/main/scala
default_submodules = . junctions uncore hardfloat rocket zscale
chisel_srcs = $(addprefix $(base_dir)/,$(addsuffix /$(src_path)/*.scala,$(default_submodules)))

disasm := 2>
which_disasm := $(shell which spike-dasm 2> /dev/null)
ifneq ($(which_disasm),)
	disasm := 3>&1 1>&2 2>&3 | $(which_disasm) $(DISASM_EXTENSION) >
endif

timeout_cycles = 100000000

#--------------------------------------------------------------------
# DRAMSim2
#--------------------------------------------------------------------

DRAMSIM_OBJS := $(patsubst %.cpp,%.o,$(wildcard $(base_dir)/dramsim2/*.cpp))
$(DRAMSIM_OBJS): %.o: %.cpp
	$(CXX) $(CXXFLAGS) -DNO_STORAGE -DNO_OUTPUT -Dmain=nomain -c -o $@ $<
$(sim_dir)/libdramsim.a: $(DRAMSIM_OBJS)
	ar rcs $@ $^

#--------------------------------------------------------------------
# Build Tests
#--------------------------------------------------------------------

%.hex:
	$(MAKE) -C $(dir $@) $(notdir $@)

%.riscv.hex: %
	$(MAKE) -C $(dir $@) $(notdir $@)