# ======================================================================
# AES encryption/decryption
# Copyright (C) 2019 Torsten Meissner
#-----------------------------------------------------------------------
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.

# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.

# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
# ======================================================================


RTL_SRC := \
  ../../rtl/vhdl/aes_pkg.vhd \
  ../../rtl/vhdl/aes_enc.vhd \
  ../../rtl/vhdl/aes_dec.vhd \
  ../../rtl/vhdl/aes.vhd


SIM_SRC   := tb_aes.vhd
C_SRC     := tb_aes.c

OSVVM_DIR := ../../../lib/osvvm
OSVVM_SRC := \
  $(OSVVM_DIR)/NamePkg.vhd  \
  $(OSVVM_DIR)/OsvvmGlobalPkg.vhd  \
  $(OSVVM_DIR)/VendorCovApiPkg.vhd  \
  $(OSVVM_DIR)/TranscriptPkg.vhd  \
  $(OSVVM_DIR)/TextUtilPkg.vhd  \
  $(OSVVM_DIR)/AlertLogPkg.vhd  \
  $(OSVVM_DIR)/MessagePkg.vhd  \
  $(OSVVM_DIR)/SortListPkg_int.vhd  \
  $(OSVVM_DIR)/RandomBasePkg.vhd  \
  $(OSVVM_DIR)/RandomPkg.vhd  \
  $(OSVVM_DIR)/CoveragePkg.vhd  \
  $(OSVVM_DIR)/MemoryPkg.vhd  \
  $(OSVVM_DIR)/ScoreboardGenericPkg.vhd  \
  $(OSVVM_DIR)/ScoreboardPkg_slv.vhd  \
  $(OSVVM_DIR)/ScoreboardPkg_int.vhd  \
  $(OSVVM_DIR)/ResolutionPkg.vhd  \
  $(OSVVM_DIR)/TbUtilPkg.vhd  \
  $(OSVVM_DIR)/OsvvmContext.vhd

VHD_STD := 08


.PHONY: sim
sim: tb_aes.ghw


.PHONY: compile
compile: tb_aes


osvvm work:
	mkdir $@


osvvm/OsvvmContext.o: $(OSVVM_SRC) | osvvm
	@echo "Analyze OSVVM library ..."
	ghdl -a --std=$(VHD_STD) -Wno-hide --work=osvvm --workdir=osvvm $(OSVVM_SRC)


tb_aes: ${RTL_SRC} ${SIM_SRC} ${C_SRC} osvvm/OsvvmContext.o | work
	@echo "Analyze testbench & design ..."
	ghdl -a --std=$(VHD_STD) -fpsl --workdir=work -P=osvvm ${RTL_SRC} ${SIM_SRC}
	@echo "Elaborate testbench & design ..."
	ghdl -e --std=$(VHD_STD) -fpsl --workdir=work -P=osvvm -Wl,-lcrypto -Wl,-lssl -Wl,$@.c $@


tb_aes.ghw: tb_aes
	@echo "Run testbench ..."
	ghdl -r $(basename $@) --wave=$@ --assert-level=error --psl-report=$(basename $@)_psl_report.json


.PHONY: wave
wave: tb_aes.ghw
	@echo "Run GTKwave ..."
	gtkwave -S tb_aes.tcl tb_aes.ghw


.PHONY: clean
clean:
	@echo "Cleaning simulation files ..."
	rm -rf tb_aes tb_aes.ghw *.o *.json work/ osvvm/