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Makefile
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Makefile
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SGDK=/sgdk
MAKE=make
export BUILD?=$(shell git rev-parse --short HEAD)
all: release test
release: res/samples
MAKEFILE_DIR := $(dir $(lastword $(MAKEFILE_LIST)))
MAKEFILE_DIR := $(subst \,/,$(MAKEFILE_DIR))
ifneq ("$(wildcard $(MAKEFILE_DIR)bin/rescomp.jar)","")
GDK := $(patsubst %/,%,$(MAKEFILE_DIR))
endif
include $(GDK)/common.mk
SRC := src
RES := res
INCLUDE := inc
SRC_C= $(wildcard *.c)
SRC_C+= $(wildcard $(SRC)/*.c)
SRC_C+= $(wildcard $(SRC)/*/*.c)
SRC_C+= $(wildcard $(SRC)/*/*/*.c)
SRC_C:= $(filter-out $(SRC)/boot/rom_head.c,$(SRC_C))
SRC_S= $(wildcard *.s)
SRC_S+= $(wildcard $(SRC)/*.s)
SRC_S+= $(wildcard $(SRC)/*/*.s)
SRC_S+= $(wildcard $(SRC)/*/*/*.s)
SRC_S:= $(filter-out $(SRC)/boot/sega.s,$(SRC_S))
SRC_ASM= $(wildcard *.asm)
SRC_ASM+= $(wildcard $(SRC)/*.asm)
SRC_ASM+= $(wildcard $(SRC)/*/*.asm)
SRC_ASM+= $(wildcard $(SRC)/*/*/*.asm)
SRC_S80= $(wildcard *.s80)
SRC_S80+= $(wildcard $(SRC)/*.s80)
SRC_S80+= $(wildcard $(SRC)/*/*.s80)
SRC_S80+= $(wildcard $(SRC)/*/*/*.s80)
RES_C= $(wildcard $(RES)/*.c)
RES_S= $(wildcard $(RES)/*.s)
RES_RES= $(wildcard *.res)
RES_RES+= $(wildcard $(RES)/*.res)
RES_RS= $(RES_RES:.res=.rs)
RES_H= $(RES_RES:.res=.h)
RES_DEP= $(RES_RES:.res=.d)
RES_DEPS= $(addprefix out/, $(RES_DEP))
OBJ= $(RES_RES:.res=.o)
OBJ+= $(RES_S:.s=.o)
OBJ+= $(RES_C:.c=.o)
OBJ+= $(SRC_S80:.s80=.o)
OBJ+= $(SRC_ASM:.asm=.o)
OBJ+= $(SRC_S:.s=.o)
OBJ+= $(SRC_C:.c=.o)
OBJS:= $(addprefix out/, $(OBJ))
DEPS:= $(OBJS:.o=.d)
-include $(DEPS)
LST:= $(SRC_C:.c=.lst)
LSTS:= $(addprefix out/, $(LST))
INCS:= -I$(INCLUDE) -I$(SRC) -I$(RES) -I$(INCLUDE_LIB) -I$(RES_LIB)
DEFAULT_FLAGS= $(EXTRA_FLAGS) -DSGDK_GCC -m68000 -Wall -Wextra -Wno-shift-negative-value -Wno-main -Wno-unused-parameter -fno-builtin -fms-extensions $(INCS) -B$(BIN)
FLAGSZ80:= -i$(SRC) -i$(INCLUDE) -i$(RES) -i$(SRC_LIB) -i$(INCLUDE_LIB) -i$(INCLUDE_LIB)/snd
EXTRA_FLAGS:=-DBUILD='"$(BUILD)"' \
-Wl,--wrap=SYS_enableInts \
-Wl,--wrap=SYS_disableInts \
-Werror \
-Wextra
ifeq ($(ROM_TYPE), MEGAWIFI)
EXTRA_FLAGS += -DMEGAWIFI
LTO_FLAGS:=
else
LTO_FLAGS:=-flto
endif
release: FLAGS= $(DEFAULT_FLAGS) -O3 -fuse-linker-plugin -fno-web -fno-gcse \
-fno-unit-at-a-time -fomit-frame-pointer $(LTO_FLAGS)
release: CFLAGS= $(FLAGS)
release: AFLAGS= $(FLAGS)
release: LIBMD= $(LIB)/libmd.a
release: pre-build out/rom.bin out/symbol.txt
debug: FLAGS= $(DEFAULT_FLAGS) -O1 -DDEBUG=1
debug: CFLAGS= $(FLAGS) -ggdb
debug: AFLAGS= $(FLAGS)
debug: LIBMD= $(LIB)/libmd_debug.a
debug: pre-build out/rom.bin out/rom.out out/symbol.txt
asm: FLAGS= $(DEFAULT_FLAGS) -O3 -fuse-linker-plugin -fno-web -fno-gcse -fno-unit-at-a-time -fomit-frame-pointer -S
asm: CFLAGS= $(FLAGS)
asm: AFLAGS= $(FLAGS)
asm: LIBMD= $(LIB)/libmd.a
asm: pre-build $(LSTS)
# include ext.mk if it exists (better to do it after release rule definition)
ifneq ("$(wildcard $(GDK)/ext.mk)","")
include $(GDK)/ext.mk
endif
default: release
Default: release
Debug: debug
Release: release
Asm: asm
.PHONY: clean
cleantmp:
$(RM) -f $(RES_RS)
cleandep:
$(RM) -f $(DEPS)
cleanlst:
$(RM) -f $(LSTS)
cleanres: cleantmp
$(RM) -f $(RES_H) $(RES_DEP) $(RES_DEPS)
cleanobj:
$(RM) -f $(OBJS) out/sega.o out/rom_head.bin out/rom_head.o out/rom.out
clean: cleanobj cleanres cleanlst cleandep
$(RM) -f out.lst out/symbol.txt out/rom.nm out/rom.wch out/rom.bin out/rom.s
$(MAKE) -C tests clean-target
cleanrelease: clean
cleandebug: clean
cleanasm: cleanlst
cleandefault: clean
cleanDefault: clean
cleanRelease: cleanrelease
cleanDebug: cleandebug
cleanAsm: cleanasm
pre-build:
@$(MKDIR) -p $(SRC)/boot
@$(MKDIR) -p out
out/rom.bin: out/rom.out
$(OBJCPY) -O binary out/rom.out out/rom.bin
$(SIZEBND) out/rom.bin -sizealign 524288 -checksum
out/symbol.txt: out/rom.out
$(NM) $(LTO_PLUGIN) -n out/rom.out > out/symbol.txt
out/rom.out: out/sega.o $(OBJS) $(LIBMD)
$(CC) -m68000 -B$(BIN) -n -T $(GDK)/md.ld -nostdlib out/sega.o $(OBJS) $(LIBMD) $(LIBGCC) -o out/rom.out -Wl,--gc-sections -flto
out/sega.o: $(SRC)/boot/sega.s out/rom_head.bin
$(CC) -x assembler-with-cpp -Wa,--register-prefix-optional,--bitwise-or $(AFLAGS) -c $(SRC)/boot/sega.s -o $@
out/rom_head.bin: out/rom_head.o
$(OBJCPY) -O binary $< $@
out/rom_head.o: $(SRC)/boot/rom_head.c
$(CC) $(DEFAULT_FLAGS) -c $< -o $@
$(SRC)/boot/sega.s: $(SRC_LIB)/boot/sega.s
$(CP) $< $@
$(SRC)/boot/rom_head.c: $(SRC_LIB)/boot/rom_head.c
$(CP) $< $@
out/%.lst: %.c
$(MKDIR) -p $(dir $@)
$(CC) $(CFLAGS) -c $< -o $@
out/%.o: %.c
$(MKDIR) -p $(dir $@)
$(CC) $(CFLAGS) -MMD -c $< -o $@
out/%.o: %.s
$(MKDIR) -p $(dir $@)
$(CC) -x assembler-with-cpp -Wa,--register-prefix-optional,--bitwise-or $(AFLAGS) -MMD -c $< -o $@
out/%.o: %.rs
$(MKDIR) -p $(dir $@)
$(CC) -x assembler-with-cpp -Wa,--register-prefix-optional,--bitwise-or $(AFLAGS) -c $*.rs -o $@
$(CP) $*.d out/$*.d
$(RM) $*.d
%.rs: %.res
$(RESCOMP) $*.res $*.rs -dep out/$*.o
%.s: %.asm
$(MACCER) -o $@ $<
%.o80: %.s80
$(ASMZ80) $(FLAGSZ80) $< $@ out.lst
%.s: %.o80
$(BINTOS) $<
res/samples:
wget "https://github.com/rhargreaves/mega-drive-pcm-samples/releases/download/v1/samples.zip" \
-O temp.zip
unzip temp.zip -d res/samples
rm temp.zip
out/rom.s: out/rom.out
m68k-elf-objdump -D -S $^ > $@
unit-test:
$(MAKE) -C tests unit
.PHONY: unit-test
test:
$(MAKE) -C tests
.PHONY: test