ClassiCube/misc/ds/Makefile.arm7
2024-09-11 07:36:51 +10:00

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# SPDX-License-Identifier: CC0-1.0
#
# SPDX-FileContributor: Antonio Niño Díaz, 2023
export BLOCKSDS ?= /opt/wonderful/thirdparty/blocksds/core
export BLOCKSDSEXT ?= /opt/wonderful/thirdparty/blocksds/external
export WONDERFUL_TOOLCHAIN ?= /opt/wonderful
ARM_NONE_EABI_PATH ?= $(WONDERFUL_TOOLCHAIN)/toolchain/gcc-arm-none-eabi/bin/
SOURCEDIRS := misc/ds
INCLUDEDIRS :=
DSIWIFI := third_party/dsiwifi
ifdef BUILD_DSI
SOURCEDIRS += $(DSIWIFI)/arm_iop/source $(DSIWIFI)/common/source $(DSIWIFI)/arm_iop/source/ath $(DSIWIFI)/arm_iop/source/crypto $(DSIWIFI)/arm_iop/source/ieee
INCLUDEDIRS += $(DSIWIFI)/arm_iop/source $(DSIWIFI)/arm_iop/include $(DSIWIFI)/common/source $(DSIWIFI)/include $(DSIWIFI)/include/lwip
BUILDDIR := build-dsi
LIBS := -lc -lnds7
LIBDIRS := $(BLOCKSDS)/libs/libnds
else
BUILDDIR := build-nds
LIBS := -lc -lnds7 -ldswifi7
LIBDIRS := $(BLOCKSDS)/libs/libnds $(BLOCKSDS)/libs/dswifi
endif
NAME := cc-arm7
ELF := $(BUILDDIR)/$(NAME).elf
MAP := $(BUILDDIR)/$(NAME).map
PREFIX := $(ARM_NONE_EABI_PATH)arm-none-eabi-
CC := $(PREFIX)gcc
CXX := $(PREFIX)g++
LD := $(CC)
DEFINES := -D__NDS__ -DARM7
ARCH := -mcpu=arm7tdmi -mtune=arm7tdmi
WARNFLAGS := -Wall
# Source files
# ------------
S_FILES := $(foreach dir,$(SOURCEDIRS),$(wildcard $(dir)/*.s))
C_FILES := $(foreach dir,$(SOURCEDIRS),$(wildcard $(dir)/*.c))
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) $(ARCH) \
-mthumb -mthumb-interwork $(INCLUDEFLAGS) \
-ffunction-sections -fdata-sections
CFLAGS += -std=gnu11 $(WARNFLAGS) $(DEFINES) $(ARCH) \
-mthumb -mthumb-interwork $(INCLUDEFLAGS) -O2 \
-ffunction-sections -fdata-sections \
-fomit-frame-pointer
LDFLAGS := -mthumb -mthumb-interwork $(LIBDIRSFLAGS) \
-Wl,-Map,$(MAP) -Wl,--gc-sections -nostdlib \
-T$(BLOCKSDS)/sys/crts/ds_arm7.ld \
-Wl,--no-warn-rwx-segments \
-Wl,--start-group $(LIBS) -lgcc -Wl,--end-group
# Intermediate build files
# ------------------------
OBJS := $(addprefix $(BUILDDIR)/, $(notdir $(C_FILES:%.c=%.o) $(S_FILES:%.s=%.o)))
DEPS := $(OBJS:.o=.d)
export VPATH := $(SOURCEDIRS)
# Targets
# -------
.PHONY: all clean
all: $(BUILDDIR) $(ELF)
$(BUILDDIR):
mkdir -p $(BUILDDIR)
$(ELF): $(OBJS)
$(LD) -o $@ $(OBJS) $(BLOCKSDS)/sys/crts/ds_arm7_crt0.o $(LDFLAGS)
clean:
rm $(ELF) $(MAP) $(OBJS)
# Rules
# -----
$(BUILDDIR)/%.o : %.s
$(CC) $(ASFLAGS) -MMD -MP -c -o $@ $<
$(BUILDDIR)/%.o : %.c
$(CC) $(CFLAGS) -MMD -MP -c -o $@ $<
# Include dependency files if they exist
# --------------------------------------
-include $(DEPS)