Move source files to src/, add Makefile, fix all build and linkage errors, etc.

exosphere/Makefile

@@ -0,0 +1,71 @@
+rwildcard = $(foreach d, $(wildcard $1*), $(filter $(subst *, %, $2), $d) $(call rwildcard, $d/, $2))
+
+ifeq ($(strip $(DEVKITPRO)),)
+$(error "Please set DEVKITARM in your environment. export DEVKITARM=<path to>devkitARM")
+endif
+
+include $(DEVKITPRO)/devkitA64/base_tools
+
+name := exosphere
+
+dir_source := src
+dir_build := build
+dir_out := out
+dir_bpmpfw := bpmpfw
+
+ARCH := -march=armv8-a -mtune=cortex-a57
+
+ASFLAGS := -g $(ARCH)
+
+CFLAGS = \
+	$(ARCH) \
+	-g \
+	-O2 \
+	-ffunction-sections \
+	-fdata-sections \
+	-fomit-frame-pointer \
+	-std=gnu11 \
+	-Werror \
+	-Wall
+
+LDFLAGS = -g $(ARCH) -nostartfiles -Wl,--nmagic,--gc-sections
+
+objects = $(patsubst $(dir_source)/%.s, $(dir_build)/%.o, \
+          $(patsubst $(dir_source)/%.c, $(dir_build)/%.o, \
+          $(call rwildcard, $(dir_source), *.s *.c)))
+
+.PHONY: all
+all: $(dir_out)/$(name).bin
+
+.PHONY: clean
+clean:
+	@$(MAKE) -C $(dir_bpmpfw) clean
+	@rm -rf $(dir_build)
+	@rm -rf $(dir_out)
+
+.PHONY: $(dir_bpmpfw)
+
+$(dir_out)/$(name).bin: $(dir_build)/$(name).elf
+	@mkdir -p "$(@D)"
+	$(OBJCOPY) -S -O binary $< $@
+
+$(dir_build)/$(name).elf: $(objects)
+	$(LINK.o) -T linker.ld $(OUTPUT_OPTION) $^
+
+$(dir_bpmpfw)/out/bpmpfw.bin: $(dir_bpmpfw)
+	@$(MAKE) -C $<
+
+$(dir_build)/bpmpfw.bin: $(dir_bpmpfw)/out/bpmpfw.bin
+	@mkdir -p "$(@D)"
+	@cp $< $(@D)
+ 
+$(dir_build)/%.bin.o: $(dir_build)/%.bin
+	@$(bin2o)
+
+$(dir_build)/%.o: $(dir_source)/%.c $(dir_build)/bpmpfw.bin.o
+	@mkdir -p "$(@D)"
+	$(COMPILE.c) $(OUTPUT_OPTION) $<
+
+$(dir_build)/%.o: $(dir_source)/%.s
+	@mkdir -p "$(@D)"
+	$(COMPILE.c) -x assembler-with-cpp $(OUTPUT_OPTION) $<