ifndef FIRESIM_ENV_SOURCED
$(error You must source sourceme-f1-manager.sh or env.sh to use this Makefile)
endif

firesim_base_dir := $(abspath .)

default: compile

##################
#   Parameters   #
##################

# Multiple target-projects, each with it's own chisel generator, co-exist in firesim.
# Their sources exist in:
# src/main/{cc, scala, makefrag}/<target-project-name>
#
# Currently these projects are:
# 	firesim: the default, rocket-chip-based target-designs
# 	midasexamples: simple chisel designs demonstrating how to build midas-style simulators
TARGET_PROJECT ?= firesim

# Users can override this to point at a makefrag defined in a parent project
# that submodules firesim or source sim/Makefrag directly
TARGET_PROJECT_MAKEFRAG ?= $(firesim_base_dir)/src/main/makefrag/$(TARGET_PROJECT)/Makefrag

# The host-platform type (currently only f1 supported)
PLATFORM ?= f1

ifdef FIRESIM_STANDALONE

base_dir := $(firesim_base_dir)
chipyard_dir := $(firesim_base_dir)/target-rtl/chipyard
rocketchip_dir := $(chipyard_dir)/generators/rocket-chip

JVM_MEMORY ?= 16G
SCALA_VERSION ?= 2.12.4
JAVA_ARGS ?= -Xmx$(JVM_MEMORY)
SBT ?= java $(JAVA_ARGS) -jar $(rocketchip_dir)/sbt-launch.jar ++$(SCALA_VERSION)

# Manage the FIRRTL dependency manually
FIRRTL_SUBMODULE_DIR ?= $(firesim_base_dir)/target-rtl/chipyard/tools/firrtl
FIRRTL_JAR ?= $(firesim_base_dir)/target-rtl/chipyard/lib/firrtl.jar
$(FIRRTL_JAR): $(shell find $(FIRRTL_SUBMODULE_DIR)/src/main/scala -iname "*.scala")
	$(MAKE) -C $(FIRRTL_SUBMODULE_DIR) SBT="$(SBT)" root_dir=$(FIRRTL_SUBMODULE_DIR) build-scala
	touch $(FIRRTL_SUBMODULE_DIR)/utils/bin/firrtl.jar
	mkdir -p $(@D)
	cp -p $(FIRRTL_SUBMODULE_DIR)/utils/bin/firrtl.jar $@

firrtl: $(FIRRTL_JAR)
.PHONY: firrtl

else
# REBAR make variables
base_dir := $(abspath ../../..)
sim_dir := $(firesim_base_dir)
chipyard_dir := $(base_dir)
include $(base_dir)/variables.mk
include $(base_dir)/common.mk
endif

# Include target-specific sources and input generation recipes
include $(TARGET_PROJECT_MAKEFRAG)

verilog: $(VERILOG)
compile: $(VERILOG)

# Phony targets for launching the sbt shell and running scalatests
sbt: $(FIRRTL_JAR)
	cd $(base_dir) && $(SBT) "project $(firesim_sbt_project)" "shell"
test: $(FIRRTL_JAR)
	cd $(base_dir) && $(SBT) "project $(firesim_sbt_project)" "test"

# All target-agnostic firesim recipes are defined here
include target-agnostic.mk