Initial commit

Makefile.arm7

@@ -0,0 +1,189 @@
+# SPDX-License-Identifier: CC0-1.0
+#
+# SPDX-FileContributor: Antonio Niño Díaz, 2023
+
+export BLOCKSDS			?= /opt/blocksds/core
+export BLOCKSDSEXT		?= /opt/blocksds/external
+
+export LIBTWL           ?= $(shell pwd)/libs/libtwl
+
+export WONDERFUL_TOOLCHAIN	?= /opt/wonderful
+ARM_NONE_EABI_PATH	?= $(WONDERFUL_TOOLCHAIN)/toolchain/gcc-arm-none-eabi/bin/
+
+# Source code paths
+# -----------------
+
+SOURCEDIRS	:= arm7/source common
+INCLUDEDIRS	:= arm7/source common
+BINDIRS		:=
+
+# Defines passed to all files
+# ---------------------------
+
+DEFINES		:= -DLIBTWL_ARM7
+
+# Libraries
+# ---------
+
+LIBS		:= -ltwl7 -lnds7
+LIBDIRS		:= $(BLOCKSDS)/libs/libnds \
+                $(LIBTWL)/libtwl7 $(LIBTWL)/common $(LIBTWL)
+
+# Build artifacts
+# -----------------
+
+NAME		:= arm7
+BUILDDIR	:= build/$(NAME)
+ELF		:= build/$(NAME).elf
+DUMP		:= build/$(NAME).dump
+MAP		:= build/$(NAME).map
+
+# 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
+# ------------
+
+ifneq ($(BINDIRS),)
+    SOURCES_BIN	:= $(shell find -L $(BINDIRS) -name "*.bin")
+    INCLUDEDIRS	+= $(addprefix $(BUILDDIR)/,$(BINDIRS))
+endif
+
+SOURCES_S	:= $(shell find -L $(SOURCEDIRS) -name "*.s")
+SOURCES_C	:= $(shell find -L $(SOURCEDIRS) -name "*.c")
+SOURCES_CPP	:= $(shell find -L $(SOURCEDIRS) -name "*.cpp")
+
+# Compiler and linker flags
+# -------------------------
+
+ARCH		:= -marm -mthumb-interwork -mcpu=arm7tdmi
+
+SPECS		:= arm7/dldi_ds_arm7.specs
+
+WARNFLAGS	:= -Wall
+
+ifeq ($(SOURCES_CPP),)
+	LIBS	+= -lc
+else
+	LIBS	+= -lstdc++ -lc
+endif
+
+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)
+
+CXXFLAGS	+= -std=gnu++23 $(WARNFLAGS) $(DEFINES) $(INCLUDEFLAGS) \
+		   $(ARCH) -O2 -ffunction-sections -fdata-sections \
+		   -fno-exceptions -fno-rtti \
+		   -fno-threadsafe-statics \
+		   -Wsuggest-override -Werror=suggest-override \
+		   -specs=$(SPECS)
+
+LDFLAGS		:= $(ARCH) $(LIBDIRSFLAGS) -Wl,-Map,$(MAP),--gc-sections $(DEFINES) \
+		   -Wl,--start-group $(LIBS) -Wl,--end-group -specs=$(SPECS)
+
+# Intermediate build files
+# ------------------------
+
+OBJS_ASSETS	:= $(addsuffix .o,$(addprefix $(BUILDDIR)/,$(SOURCES_BIN)))
+
+HEADERS_ASSETS	:= $(patsubst %.bin,%_bin.h,$(addprefix $(BUILDDIR)/,$(SOURCES_BIN)))
+
+OBJS_SOURCES	:= $(addsuffix .o,$(addprefix $(BUILDDIR)/,$(SOURCES_S))) \
+		   $(addsuffix .o,$(addprefix $(BUILDDIR)/,$(SOURCES_C))) \
+		   $(addsuffix .o,$(addprefix $(BUILDDIR)/,$(SOURCES_CPP)))
+
+OBJS		:= $(OBJS_ASSETS) $(OBJS_SOURCES)
+
+DEPS		:= $(OBJS:.o=.d)
+
+# Targets
+# -------
+
+.PHONY: all clean dump
+
+all: $(ELF)
+
+$(ELF): $(OBJS)
+	@echo "  LD.7    $@"
+	$(V)$(LD) -o $@ $(OBJS) $(LDFLAGS)
+
+$(DUMP): $(ELF)
+	@echo "  OBJDUMP.7 $@"
+	$(V)$(OBJDUMP) -h -C -S $< > $@
+
+dump: $(DUMP)
+
+clean:
+	@echo "  CLEAN.7"
+	$(V)$(RM) $(ELF) $(DUMP) $(MAP) $(BUILDDIR)
+
+# Rules
+# -----
+
+$(BUILDDIR)/%.s.o : %.s
+	@echo "  AS.7    $<"
+	@$(MKDIR) -p $(@D)
+	$(V)$(CC) $(ASFLAGS) -MMD -MP -c -o $@ $<
+
+$(BUILDDIR)/%.c.o : %.c
+	@echo "  CC.7    $<"
+	@$(MKDIR) -p $(@D)
+	$(V)$(CC) $(CFLAGS) -MMD -MP -c -o $@ $<
+
+$(BUILDDIR)/%.arm.c.o : %.arm.c
+	@echo "  CC.7    $<"
+	@$(MKDIR) -p $(@D)
+	$(V)$(CC) $(CFLAGS) -MMD -MP -marm -mlong-calls -c -o $@ $<
+
+$(BUILDDIR)/%.cpp.o : %.cpp
+	@echo "  CXX.7   $<"
+	@$(MKDIR) -p $(@D)
+	$(V)$(CXX) $(CXXFLAGS) -MMD -MP -c -o $@ $<
+
+$(BUILDDIR)/%.arm.cpp.o : %.arm.cpp
+	@echo "  CXX.7   $<"
+	@$(MKDIR) -p $(@D)
+	$(V)$(CXX) $(CXXFLAGS) -MMD -MP -marm -mlong-calls -c -o $@ $<
+
+$(BUILDDIR)/%.bin.o $(BUILDDIR)/%_bin.h : %.bin
+	@echo "  BIN2C.7 $<"
+	@$(MKDIR) -p $(@D)
+	$(V)$(BLOCKSDS)/tools/bin2c/bin2c $< $(@D)
+	$(V)$(CC) $(CFLAGS) -MMD -MP -c -o $(BUILDDIR)/$*.bin.o $(BUILDDIR)/$*_bin.c
+
+# All assets must be built before the source code
+# -----------------------------------------------
+
+$(SOURCES_S) $(SOURCES_C) $(SOURCES_CPP): $(HEADERS_ASSETS)
+
+# Include dependency files if they exist
+# --------------------------------------
+
+-include $(DEPS)