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# SPDX-License-Identifier: CC0-1.0
#
# SPDX-FileContributor: Antonio Niño Díaz, 2023
export BLOCKSDS ?= /opt/blocksds/core
export BLOCKSDSEXT ?= /opt/blocksds/external
NAME := ClassiCube
GAME_TITLE := ClassiCube
GAME_SUBTITLE := Built with BlocksDS
GAME_AUTHOR := UnknownShadow200
GAME_ICON := misc/ds/icon.bmp
SOURCEDIRS := src
INCLUDEDIRS :=
DEFINES := -DPLAT_NDS
LIBS := -ldswifi9 -lnds9 -lc
LIBDIRS := $(BLOCKSDS)/libs/dswifi $(BLOCKSDS)/libs/libnds
export WONDERFUL_TOOLCHAIN ?= /opt/wonderful
ARM_NONE_EABI_PATH ?= $(WONDERFUL_TOOLCHAIN)/toolchain/gcc-arm-none-eabi/bin/
# DLDI and internal SD slot of DSi
# --------------------------------
# Root folder of the SD image
SDROOT := sdroot
# Name of the generated image it "DSi-1.sd" for no$gba in DSi mode
SDIMAGE := image.bin
# Build artifacts
# ---------------
BUILDDIR := build-nds
ELF := build-nds/$(NAME).elf
DUMP := build-nds/$(NAME).dump
MAP := build-nds/$(NAME).map
ROM := $(NAME).nds
# Tools
# -----
PREFIX := $(ARM_NONE_EABI_PATH)arm-none-eabi-
CC := $(PREFIX)gcc
CXX := $(PREFIX)g++
LD := $(PREFIX)gcc
OBJDUMP := $(PREFIX)objdump
MKDIR := mkdir
RM := rm -rf
# Verbose flag
# ------------
ifeq ($(VERBOSE),1)
V :=
else
V := @
endif
# Source files
# ------------
SOURCES_S := $(foreach dir,$(SOURCEDIRS),$(wildcard $(dir)/*.s))
SOURCES_C := $(foreach dir,$(SOURCEDIRS),$(wildcard $(dir)/*.c))
# Compiler and linker flags
# -------------------------
ARCH := -mthumb -mcpu=arm946e-s+nofp
SPECS := $(BLOCKSDS)/sys/crts/ds_arm9.specs
WARNFLAGS := -Wall
INCLUDEFLAGS := $(foreach path,$(INCLUDEDIRS),-I$(path)) \
$(foreach path,$(LIBDIRS),-I$(path)/include)
LIBDIRSFLAGS := $(foreach path,$(LIBDIRS),-L$(path)/lib)
ASFLAGS += -x assembler-with-cpp $(DEFINES) $(INCLUDEFLAGS) \
$(ARCH) -ffunction-sections -fdata-sections \
-specs=$(SPECS)
CFLAGS += -std=gnu17 $(WARNFLAGS) $(DEFINES) $(INCLUDEFLAGS) \
$(ARCH) -O2 -ffunction-sections -fdata-sections \
-specs=$(SPECS)
LDFLAGS := $(ARCH) $(LIBDIRSFLAGS) -Wl,-Map,$(MAP) $(DEFINES) \
-Wl,--start-group $(LIBS) -Wl,--end-group -specs=$(SPECS)
# Intermediate build files
# ------------------------
OBJS := $(addsuffix .o,$(addprefix $(BUILDDIR)/,$(SOURCES_S))) \
$(addsuffix .o,$(addprefix $(BUILDDIR)/,$(SOURCES_C)))
DEPS := $(OBJS:.o=.d)
# Targets
# -------
.PHONY: all clean dump dldipatch sdimage
all: $(ROM)
# Combine the title strings
ifeq ($(strip $(GAME_SUBTITLE)),)
GAME_FULL_TITLE := $(GAME_TITLE);$(GAME_AUTHOR)
else
GAME_FULL_TITLE := $(GAME_TITLE);$(GAME_SUBTITLE);$(GAME_AUTHOR)
endif
$(ROM): $(ELF)
@echo " NDSTOOL $@"
$(V)$(BLOCKSDS)/tools/ndstool/ndstool -c $@ \
-7 $(BLOCKSDS)/sys/default_arm7/arm7.elf -9 $(ELF) \
-b $(GAME_ICON) "$(GAME_FULL_TITLE)" \
$(NDSTOOL_ARGS)
$(ELF): $(OBJS)
@echo " LD $@"
$(V)$(LD) -o $@ $(OBJS) $(LDFLAGS)
$(DUMP): $(ELF)
@echo " OBJDUMP $@"
$(V)$(OBJDUMP) -h -C -S $< > $@
dump: $(DUMP)
clean:
@echo " CLEAN"
$(V)$(RM) $(ROM) $(DUMP) build $(SDIMAGE)
sdimage:
@echo " MKFATIMG $(SDIMAGE) $(SDROOT)"
$(V)$(BLOCKSDS)/tools/mkfatimg/mkfatimg -t $(SDROOT) $(SDIMAGE)
dldipatch: $(ROM)
@echo " DLDIPATCH $(ROM)"
$(V)$(BLOCKSDS)/tools/dldipatch/dldipatch patch \
$(BLOCKSDS)/sys/dldi_r4/r4tf.dldi $(ROM)
# Rules
# -----
$(BUILDDIR)/%.s.o : %.s
@echo " AS $<"
@$(MKDIR) -p $(@D)
$(V)$(CC) $(ASFLAGS) -MMD -MP -c -o $@ $<
$(BUILDDIR)/%.c.o : %.c
@echo " CC $<"
@$(MKDIR) -p $(@D)
$(V)$(CC) $(CFLAGS) -MMD -MP -c -o $@ $<
$(BUILDDIR)/%.arm.c.o : %.arm.c
@echo " CC $<"
@$(MKDIR) -p $(@D)
$(V)$(CC) $(CFLAGS) -MMD -MP -marm -mlong-calls -c -o $@ $<
# Include dependency files if they exist
# --------------------------------------
-include $(DEPS)
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