export SHELLOPTS := igncr

CPU32 := -march=rv32ic -mabi=ilp32 -mcmodel=medany -msmall-data-limit=8
CPU64 := -march=rv64ic -mabi=lp64 -mcmodel=medany -msmall-data-limit=8
AOPT := -g3 -Wall -Wa,--gdwarf2 -xassembler-with-cpp -c
COPT := -std=c99 -g3 -O0 -fno-jump-tables -ffunction-sections -fdata-sections -Wall -c
INCLUDEDIR := . riscv
LOPT := -g -Wall -Wl,--nmagic -nostartfiles -Wl,--gc-sections
LIBS := -lm -lc
VPATH := .

CCGRP :=
NAME := coverage

MIRRORROOT_FULL := instrumented/full/riscv
MIRRORROOT_TARGETED := instrumented/targeted/riscv

.PHONY: all clean
.PRECIOUS: $(MIRRORROOT_FULL)/%.c $(MIRRORROOT_TARGETED)/rv32/%.c $(MIRRORROOT_TARGETED)/rv64/%.c
.SECONDARY: $(NAME)_riscv_rv32.json $(NAME)_riscv_rv64.json

all: $(NAME)_riscv_rv32.elf $(NAME)_riscv_rv64.elf $(NAME)_riscv_rv32_flash.elf $(NAME)_riscv_rv64_flash.elf \
     $(NAME)_riscv_rv32_instr_full.elf $(NAME)_riscv_rv64_instr_full.elf $(NAME)_riscv_rv32_flash_instr_full.elf $(NAME)_riscv_rv64_flash_instr_full.elf \
     $(NAME)_riscv_rv32_instr_targeted.elf $(NAME)_riscv_rv64_instr_targeted.elf $(NAME)_riscv_rv32_flash_instr_targeted.elf $(NAME)_riscv_rv64_flash_instr_targeted.elf \
     $(NAME).c.eca


$(MIRRORROOT_FULL) $(MIRRORROOT_TARGETED)/rv32 $(MIRRORROOT_TARGETED)/rv64:
	mkdir --parents $@


%.c.eca: %.c
	$(ECAGRP)t32cast eca $(ECAOPT) --export-cfg -o $@ $^

riscv/t32pp.c:
	$(ECAGRP)/t32cast instrument --mode=mcdc --gen-instr-source-files --probe-dir=riscv

%.json: %.elf $(NAME).c.eca
	$(ECAGRP)/t32mriscv -c ./scripts/config_t32cast.t32 -s ./scripts/detect-obs-gaps.cmm $< $@

$(MIRRORROOT_FULL)/%.c: %.c
	$(ECAGRP)/t32cast instrument --mode=mcdc $(ECAOPT) -o $(MIRRORROOT_FULL)/$^ $^

$(MIRRORROOT_TARGETED)/rv32/%.c: %.c %_riscv_rv32.json
	$(ECAGRP)/t32cast instrument --mode=mcdc --probe-dir=riscv --filter=$(filter-out $<,$^) $(ECAOPT) -o $@ $<

$(MIRRORROOT_TARGETED)/rv64/%.c: %.c %_riscv_rv64.json
	$(ECAGRP)/t32cast instrument --mode=mcdc --probe-dir=riscv --filter=$(filter-out $<,$^) $(ECAOPT) -o $@ $<


%.rv32.o: %.c $(MAKEFILE_LIST)
	$(CCGRP)gcc $(COPT) $(CPU32) $(addprefix -I ,$(INCLUDEDIR)) -o $@ $<

riscv/%.rv32.o: %.c $(MAKEFILE_LIST)
	$(CCGRP)gcc $(COPT) $(CPU32) $(addprefix -I ,$(INCLUDEDIR)) -o $@ $<

%.rv64.o: %.c $(MAKEFILE_LIST)
	$(CCGRP)gcc $(COPT) $(CPU64) $(addprefix -I ,$(INCLUDEDIR)) -o $@ $<

riscv/%.rv64.o: %.c $(MAKEFILE_LIST)
	$(CCGRP)gcc $(COPT) $(CPU64) $(addprefix -I ,$(INCLUDEDIR)) -o $@ $<

%.rv32.o: %.cpp $(MAKEFILE_LIST)
	$(CCGRP)g++ $(COPT) $(CPU32) $(addprefix -I ,$(INCLUDEDIR)) -o $@ $<

%.rv64.o: %.cpp $(MAKEFILE_LIST)
	$(CCGRP)g++ $(COPT) $(CPU64) $(addprefix -I ,$(INCLUDEDIR)) -o $@ $<

%.rv32.o: %.sx $(MAKEFILE_LIST)
	$(CCGRP)gcc $(AOPT) $(CPU32) $(addprefix -I ,$(INCLUDEDIR)) -o $@ $<

%.rv64.o: %.sx $(MAKEFILE_LIST)
	$(CCGRP)gcc $(AOPT) $(CPU64) $(addprefix -I ,$(INCLUDEDIR)) -o $@ $<


$(MIRRORROOT_FULL)/%.rv32.o: $(MIRRORROOT_FULL)/%.c $(MAKEFILE_LIST) | $(MIRRORROOT_FULL)
	$(CCGRP)gcc $(COPT) $(CPU32) $(addprefix -I ,$(INCLUDEDIR)) -include t32pp.h -o $@ $<

$(MIRRORROOT_FULL)/%.rv64.o: $(MIRRORROOT_FULL)/%.c $(MAKEFILE_LIST) | $(MIRRORROOT_FULL)
	$(CCGRP)gcc $(COPT) $(CPU64) $(addprefix -I ,$(INCLUDEDIR)) -include t32pp.h -o $@ $<

$(MIRRORROOT_TARGETED)/rv32/%.rv32.o: $(MIRRORROOT_TARGETED)/rv32/%.c $(MAKEFILE_LIST) | $(MIRRORROOT_TARGETED)/rv32
	$(CCGRP)gcc $(COPT) $(CPU32) $(addprefix -I ,$(INCLUDEDIR)) -include t32pp.h -o $@ $<

$(MIRRORROOT_TARGETED)/rv64/%.rv64.o: $(MIRRORROOT_TARGETED)/rv64/%.c $(MAKEFILE_LIST) | $(MIRRORROOT_TARGETED)/rv64
	$(CCGRP)gcc $(COPT) $(CPU64) $(addprefix -I ,$(INCLUDEDIR)) -include t32pp.h -o $@ $<


riscv/flash.ld: riscv/riscv.lds $(MAKEFILE_LIST)
	$(CCGRP)cpp -P -o $@ $< -D FLASHSTART=0x0 -D RAMSTART=0x08000000 -D RAMSIZE=32K -D FLASHSIZE=128K

riscv/sram.ld: riscv/riscv.lds $(MAKEFILE_LIST)
	$(CCGRP)cpp -P -o $@ $< -D RAMSTART=0x80000000 -D RAMSIZE=32K


$(NAME)_riscv_rv32_flash.elf: $(addprefix riscv/,flash.ld entry.rv32.o start.rv32.o main.rv32.o $(NAME).rv32.o)
	$(CCGRP)gcc $(LOPT) $(CPU32) -o $@ -T $^ -Wl,--start-group $(LIBS) -Wl,--end-group

$(NAME)_riscv_rv64_flash.elf: $(addprefix riscv/,flash.ld entry.rv64.o start.rv64.o main.rv64.o $(NAME).rv64.o)
	$(CCGRP)gcc $(LOPT) $(CPU64) -o $@ -T $^ -Wl,--start-group $(LIBS) -Wl,--end-group

$(NAME)_riscv_rv32.elf: $(addprefix riscv/,sram.ld start.rv32.o start.rv32.o main.rv32.o $(NAME).rv32.o)
	$(CCGRP)gcc $(LOPT) $(CPU32) -o $@ -T $^ -Wl,--start-group $(LIBS) -Wl,--end-group

$(NAME)_riscv_rv64.elf: $(addprefix riscv/,sram.ld start.rv64.o start.rv64.o main.rv64.o $(NAME).rv64.o)
	$(CCGRP)gcc $(LOPT) $(CPU64) -o $@ -T $^ -Wl,--start-group $(LIBS) -Wl,--end-group


$(NAME)_riscv_rv32_flash_instr_full.elf: $(addprefix riscv/,flash.ld entry.rv32.o start.rv32.o main.rv32.o t32pp.rv32.o) $(MIRRORROOT_FULL)/$(NAME).rv32.o
	$(CCGRP)gcc $(LOPT) $(CPU32) -o $@ -T $^ -Wl,--start-group $(LIBS) -Wl,--end-group

$(NAME)_riscv_rv32_instr_full.elf: $(addprefix riscv/,sram.ld start.rv32.o main.rv32.o t32pp.rv32.o) $(MIRRORROOT_FULL)/$(NAME).rv32.o
	$(CCGRP)gcc $(LOPT) $(CPU32) -o $@ -T $^ -Wl,--start-group $(LIBS) -Wl,--end-group

$(NAME)_riscv_rv64_flash_instr_full.elf: $(addprefix riscv/,flash.ld entry.rv64.o start.rv64.o main.rv64.o t32pp.rv64.o) $(MIRRORROOT_FULL)/$(NAME).rv64.o
	$(CCGRP)gcc $(LOPT) $(CPU64) -o $@ -T $^ -Wl,--start-group $(LIBS) -Wl,--end-group

$(NAME)_riscv_rv64_instr_full.elf: $(addprefix riscv/,sram.ld start.rv64.o main.rv64.o t32pp.rv64.o) $(MIRRORROOT_FULL)/$(NAME).rv64.o
	$(CCGRP)gcc $(LOPT) $(CPU64) -o $@ -T $^ -Wl,--start-group $(LIBS) -Wl,--end-group

$(NAME)_riscv_rv32_flash_instr_targeted.elf: $(addprefix riscv/,flash.ld entry.rv32.o start.rv32.o main.rv32.o t32pp.rv32.o) $(MIRRORROOT_TARGETED)/rv32/$(NAME).rv32.o
	$(CCGRP)gcc $(LOPT) $(CPU32) -o $@ -T $^ -Wl,--start-group $(LIBS) -Wl,--end-group

$(NAME)_riscv_rv32_instr_targeted.elf: $(addprefix riscv/,sram.ld start.rv32.o main.rv32.o t32pp.rv32.o) $(MIRRORROOT_TARGETED)/rv32/$(NAME).rv32.o
	$(CCGRP)gcc $(LOPT) $(CPU32) -o $@ -T $^ -Wl,--start-group $(LIBS) -Wl,--end-group

$(NAME)_riscv_rv64_flash_instr_targeted.elf: $(addprefix riscv/,flash.ld entry.rv64.o start.rv64.o main.rv64.o t32pp.rv64.o) $(MIRRORROOT_TARGETED)/rv64/$(NAME).rv64.o
	$(CCGRP)gcc $(LOPT) $(CPU64) -o $@ -T $^ -Wl,--start-group $(LIBS) -Wl,--end-group

$(NAME)_riscv_rv64_instr_targeted.elf: $(addprefix riscv/,sram.ld start.rv64.o main.rv64.o t32pp.rv64.o) $(MIRRORROOT_TARGETED)/rv64/$(NAME).rv64.o
	$(CCGRP)gcc $(LOPT) $(CPU64) -o $@ -T $^ -Wl,--start-group $(LIBS) -Wl,--end-group


clean:
	-rm -fv riscv/*.o
	-rm -fv riscv/t32pp.*
	-rm -fv *.elf
	-rm -fv *.eca
	-rm -fv *.json
	-rm -fv $(MIRRORROOT_FULL)/*.*
	-rm -fv $(MIRRORROOT_TARGETED)/rv32/*.*
	-rm -fv $(MIRRORROOT_TARGETED)/rv64/*.*