export SHELLOPTS := igncr

CPU := -march=m14k -mhard-float -mfp64 -mel
CPUMICRO := $(CPU) -mmicromips
AOPT := -g3 -Wall -Wa,--gdwarf2 -xassembler-with-cpp -c
COPT := -std=c99 -g3 -O0 -fno-jump-tables -ffunction-sections -fdata-sections -Wall -c
INCLUDEDIR := . mips
LOPT := -g3 -Wall -Wl,--nmagic -nodefaultlibs -nostartfiles -Wl,--gc-sections -Wl,--entry=_start
LIBS := -lgcc -lc
ECAOPT := -m32
VPATH := .

CCGRP := mips-mti-elf-
NAME  := coverage

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

.PHONY: all clean
.PRECIOUS: $(MIRRORROOT_FULL)/%.c $(MIRRORROOT_TARGETED)/m14k/mips32/%.c $(MIRRORROOT_TARGETED)/m14k/micro/%.c
.SECONDARY: $(NAME)_mips_m14k_mips32.json $(NAME)_mips_m14k_micro.json

all: $(NAME)_mips_m14k_mips32.elf $(NAME)_mips_m14k_micro.elf \
     $(NAME)_mips_m14k_mips32_instr_full.elf $(NAME)_mips_m14k_micro_instr_full.elf \
     $(NAME)_mips_m14k_mips32_instr_targeted.elf $(NAME)_mips_m14k_micro_instr_targeted.elf \
     $(NAME).c.eca


$(MIRRORROOT_FULL) $(MIRRORROOT_TARGETED)/m14k/mips32 $(MIRRORROOT_TARGETED)/m14k/micro:
	mkdir --parents $@


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

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

%.json: %.elf $(NAME).c.eca
	$(ECAGRP)/t32mips -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)/m14k/mips32/%.c: %.c %_mips_m14k_mips32.json | $(MIRRORROOT_TARGETED)/m14k/mips32
	$(ECAGRP)/t32cast instrument --mode=mcdc  --probe-dir=mips --filter=$(filter-out $<,$^) $(ECAOPT) -o $@ $<

$(MIRRORROOT_TARGETED)/m14k/micro/%.c: %.c %_mips_m14k_micro.json | $(MIRRORROOT_TARGETED)/m14k/micro
	$(ECAGRP)/t32cast instrument --mode=mcdc  --probe-dir=mips --filter=$(filter-out $<,$^) $(ECAOPT) -o $@ $<


%.mips32.o: %.c $(MAKEFILE_LIST)
	$(CCGRP)gcc $(COPT) $(CPU) $(addprefix -I ,$(INCLUDEDIR)) -o $@ $<

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

mips/%.mips32.o: %.c $(MAKEFILE_LIST)
	$(CCGRP)gcc $(COPT) $(CPU) $(addprefix -I ,$(INCLUDEDIR)) -o $@ $<

mips/%.micro.o: %.c $(MAKEFILE_LIST)
	$(CCGRP)gcc $(COPT) $(CPUMICRO) $(addprefix -I ,$(INCLUDEDIR)) -o $@ $<

%.mips32.o: %.sx $(MAKEFILE_LIST)
	$(CCGRP)gcc $(AOPT) $(CPU) $(addprefix -I ,$(INCLUDEDIR)) -o $@ $<

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


$(MIRRORROOT_FULL)/%.mips32.o: $(MIRRORROOT_FULL)/%.c $(MAKEFILE_LIST) | $(MIRRORROOT_FULL)
	$(CCGRP)gcc $(COPT) $(CPU) $(addprefix -I ,$(INCLUDEDIR)) -include t32pp.h -o $@ $<

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

$(MIRRORROOT_FULL)/%.mips32.o: %.sx $(MAKEFILE_LIST)
	$(CCGRP)gcc $(AOPT) $(CPU) -o $@ $<

$(MIRRORROOT_FULL)/%.micro.o: %.sx $(MAKEFILE_LIST)
	$(CCGRP)gcc $(AOPT) $(CPUMICRO) -o $@ $<

$(MIRRORROOT_TARGETED)/m14k/mips32/%.mips32.o: $(MIRRORROOT_TARGETED)/m14k/mips32/%.c $(MAKEFILE_LIST) | $(MIRRORROOT_TARGETED)/m14k/mips32
	$(CCGRP)gcc $(COPT) $(CPU) $(addprefix -I ,$(INCLUDEDIR)) -include t32pp.h -o $@ $<

$(MIRRORROOT_TARGETED)/m14k/micro/%.micro.o: $(MIRRORROOT_TARGETED)/m14k/micro/%.c $(MAKEFILE_LIST) | $(MIRRORROOT_TARGETED)/m14k/micro
	$(CCGRP)gcc $(COPT) $(CPUMICRO) $(addprefix -I ,$(INCLUDEDIR)) -include t32pp.h -o $@ $<


mips/sram.ld: mips/link.lds $(MAKEFILE_LIST)
	$(CCGRP)cpp -P -o $@ $<


$(NAME)_mips_m14k_mips32.elf: $(addprefix mips/,sram.ld crt0.mips32.o main.mips32.o $(NAME).mips32.o)
	$(CCGRP)gcc $(LOPT) $(CPU) -o $@ -T $^ -Wl,--start-group $(LIBS) -Wl,--end-group

$(NAME)_mips_m14k_micro.elf: $(addprefix mips/,sram.ld crt0.micro.o main.micro.o $(NAME).micro.o)
	$(CCGRP)gcc $(LOPT) $(CPUMICRO) -o $@ -T $^ -Wl,--start-group $(LIBS) -Wl,--end-group


$(NAME)_mips_m14k_mips32_instr_full.elf: $(addprefix mips/,sram.ld crt0.mips32.o main.mips32.o t32pp.mips32.o) $(MIRRORROOT_FULL)/$(NAME).mips32.o
	$(CCGRP)gcc $(LOPT) $(CPU) -o $@ -T $^ -Wl,--start-group $(LIBS) -Wl,--end-group

$(NAME)_mips_m14k_micro_instr_full.elf: $(addprefix mips/,sram.ld crt0.micro.o main.micro.o t32pp.micro.o) $(MIRRORROOT_FULL)/$(NAME).micro.o
	$(CCGRP)gcc $(LOPT) $(CPUMICRO) -o $@ -T $^ -Wl,--start-group $(LIBS) -Wl,--end-group

$(NAME)_mips_m14k_mips32_instr_targeted.elf: $(addprefix mips/,sram.ld crt0.mips32.o main.mips32.o t32pp.mips32.o) $(MIRRORROOT_TARGETED)/m14k/mips32/$(NAME).mips32.o
	$(CCGRP)gcc $(LOPT) $(CPU) -o $@ -T $^ -Wl,--start-group $(LIBS) -Wl,--end-group

$(NAME)_mips_m14k_micro_instr_targeted.elf: $(addprefix mips/,sram.ld crt0.micro.o main.micro.o t32pp.micro.o) $(MIRRORROOT_TARGETED)/m14k/micro/$(NAME).micro.o
	$(CCGRP)gcc $(LOPT) $(CPUMICRO) -o $@ -T $^ -Wl,--start-group $(LIBS) -Wl,--end-group


clean:
	-rm -fv mips/*.o
	-rm -fv mips/t32pp.*
	-rm -fv *.elf
	-rm -fv *.eca
	-rm -fv *.json
	-rm -fv $(MIRRORROOT_FULL)/*.*
	-rm -fv $(MIRRORROOT_TARGETED)/m14k/mips32/*.*
	-rm -fv $(MIRRORROOT_TARGETED)/m14k/micro/*.*