###  -*-Makefile-*-

# Copyright (c) 2018-2019 Bluespec, Inc. All Rights Reserved

# This file is not a standalone Makefile, but 'include'd by other Makefiles

# It contains common defs used by Makefiles generated for specific
# RISC-V implementations that differ in RISC-V architectural-feature
# choices, hardware implementation choices and simulator choices.

# ================================================================

.PHONY: help
help:
	@echo '    make  compile      Recompile Core (CPU, caches)'
	@echo '                           NOTE: needs Bluespec bsc compiler'
	@echo '                           For Bluesim: generates Bluesim intermediate files'
	@echo '                           For Verilog simulation: generates RTL'
	@echo '    make  simulator    Compiles and links intermediate files/RTL to create simulation executable'
	@echo '    make  tagsparams   Generates the CHERI tag controller parameters source file'
	@echo '                           (Bluesim, verilator or iverilog)'
	@echo '    make  all          = make  compile  simulator'
	@echo ''
	@echo '    make  run_example  Runs simulation executable on ELF given by EXAMPLE'
	@echo ''
	@echo '    make  test         Runs simulation executable on rv32ui-p-add or rv64ui-p-add'
	@echo '    make  isa_tests    Runs simulation executable on all relevant standard RISC-V ISA tests'
	@echo '    make  benchmarks   Runs simulation executable on a set of benchmarks'
	@echo ''
	@echo '    make  clean        Remove intermediate build-files unnecessary for execution'
	@echo '    make  full_clean   Restore to pristine state (pre-building anything)'

.PHONY: all
all: compile  simulator

# ================================================================
# Search path for bsc for .bsv files

TESTBENCH_DIRS = $(REPO)/src_Testbench/Top:$(REPO)/src_Testbench/SoC

BSC_PATH += -p +:$(TESTBENCH_DIRS):$(EXTRA_DIRS)

# ----------------
# Top-level file and module

TOPFILE   ?= $(REPO)/src_Testbench/Top/Top_HW_Side.bsv
TOPMODULE ?= mkTop_HW_Side

# ================================================================
# bsc compilation flags

BSC_COMPILATION_FLAGS += \
	-D BSIM \
	-D MULT_SYNTH    \
	-D Near_Mem_Caches    \
	-D FABRIC64    \
	-D BLUESIM \
	-D PERFORMANCE_MONITORING \
	-keep-fires -aggressive-conditions -no-warn-action-shadowing -check-assert \
	-suppress-warnings G0020 -steps-max-intervals 10000000   \
	-steps-warn-interval 1000000 \
	-promote-warnings T0054 \
	+RTS -K128M -RTS  -show-range-conflict -show-schedule

#	-D NO_SPEC_TRAINING -D NO_SPEC_REDIRECT -D NO_SPEC_STRAIGHT_PATH -D SPEC_RSB_FIXUP -D NO_SPEC_RSB_PUSH -D NO_SPEC_STL

# ================================================================
# Runs simulation executable on ELF given by EXAMPLE

EXAMPLE ?= PLEASE_DEFINE_EXAMPLE_PATH_TO_ELF

.PHONY: run_example
run_example:
	make -C  $(TESTS_DIR)/elf_to_hex
	$(TESTS_DIR)/elf_to_hex/elf_to_hex  $(EXAMPLE)  Mem.hex
	./exe_HW_sim  $(VERBOSITY)  +exit

# ================================================================
# Test: run the executable on the standard RISCV ISA test specified in TEST

TESTS_DIR ?= $(REPO)/Tests

VERBOSITY ?= +v1

.PHONY: test
test:
	make -C  $(TESTS_DIR)/elf_to_hex
	$(TESTS_DIR)/elf_to_hex/elf_to_hex  $(TESTS_DIR)/isa/$(TEST)  Mem.hex
	./exe_HW_sim  $(VERBOSITY)  +tohost

# ================================================================
# ISA Regression testing

.PHONY: isa_tests
isa_tests:
	@echo "Running regressions on ISA tests; saving logs in Logs/"
	$(REPO)/Tests/Run_regression.py  ./exe_HW_sim  $(REPO)  ./Logs  $(ARCH)
	@echo "Finished running regressions; saved logs in Logs/"

# ================================================================
# Benchmarks

.PHONY: benchmarks
benchmarks:
	@echo "Running benchmarks; saving logs in Logs/"
	$(REPO)/Tests/Run_benchmarks.py  ./exe_HW_sim  $(REPO)  ./Logs
	@echo "Finished running benchmarks"
	$(REPO)/Tests/benchmarks/report_log.sh Logs/*.bin.log

# ================================================================
# Generate Bluespec CHERI tag controller source file
CAPSIZE = 128
TAGS_STRUCT = 0 64
TAGS_ALIGN = 32
.PHONY: tagsparams
tagsparams: TagTableStructure.bsv
TagTableStructure.bsv: $(REPO)/libs/TagController/tagsparams.py
	@echo "INFO: Re-generating CHERI tag controller parameters"
	$^ -v -c $(CAPSIZE) -s $(TAGS_STRUCT:"%"=%) -a $(TAGS_ALIGN) --data-store-base-addr 0x80000000 -b $@ 0x3fffc000 0xbffff000
	@echo "INFO: Re-generated CHERI tag controller parameters"


.PHONY: generate_hpm_vector
generate_hpm_vector: GenerateHPMVector.bsv
GenerateHPMVector.bsv: $(RISCV_HPM_EVENTS_DIR)/parse_counters.py
	@echo "INFO: Re-generating GenerateHPMVector bluespec file"
	$^ $(RISCV_HPM_EVENTS_DIR)/counters.yaml -m ProcTypes -b $@
	@echo "INFO: Re-generated GenerateHPMVector bluespec file"


.PHONY: stat_counters
stat_counters: StatCounters.bsv
StatCounters.bsv: $(RISCV_HPM_EVENTS_DIR)/parse_counters.py
	@echo "INFO: Re-generating HPM events struct bluepsec file"
	$^ $(RISCV_HPM_EVENTS_DIR)/counters.yaml -m ProcTypes -s $@
	@echo "INFO: Re-generated HPM events struct bluespec file"
compile: tagsparams #stat_counters generate_hpm_vector

# ================================================================

.PHONY: clean
clean:
	rm -r -f  *~  Makefile_*  symbol_table.txt  build_dir/*  obj_dir Verilog_RTL/*
	rm -f TagTableStructure.bsv StatCounters.bsv GenerateHPMVector.bsv

.PHONY: full_clean
full_clean: clean
	rm -r -f  $(SIM_EXE_FILE)*  *.log  *.vcd  *.hex  Logs/
	rm -f TagTableStructure.bsv StatCounters.bsv GenerateHPMVector.bsv .depends.mk

# ================================================================