Implement LP0-Entry BPMP Firmware

exosphere/bpmpfw/Makefile

@@ -0,0 +1,66 @@
+rwildcard = $(foreach d, $(wildcard $1*), $(filter $(subst *, %, $2), $d) $(call rwildcard, $d/, $2))
+
+ifeq ($(strip $(DEVKITARM)),)
+$(error "Please set DEVKITARM in your environment. export DEVKITARM=<path to>devkitARM")
+endif
+
+include $(DEVKITARM)/base_tools
+
+name := $(shell basename $(CURDIR))
+
+dir_source := src
+dir_build := build
+dir_out := out
+
+ASFLAGS := 
+
+CFLAGS = \
+	-Iinclude \
+	-Iinclude/compat \
+	-march=armv8-a \
+	-mlittle-endian \
+	-fno-stack-protector \
+	-fno-common \
+	-fno-builtin \
+    -fno-inline \
+	-ffreestanding \
+	-std=gnu99 \
+	-Werror \
+	-Wall \
+	-Wno-error=unused-variable
+    
+LDFLAGS := -nostartfiles -Wl,--nmagic
+
+objects = $(patsubst $(dir_source)/%.s, $(dir_build)/%.o, \
+          $(patsubst $(dir_source)/%.c, $(dir_build)/%.o, \
+          $(call rwildcard, $(dir_source), *.s *.c)))
+
+define bin2o
+	bin2s $< | $(AS) -o $(@)
+endef
+
+.PHONY: all
+all: $(dir_out)/$(name).bin
+
+.PHONY: clean
+clean:
+	@rm -rf $(dir_build)
+	@rm -rf $(dir_out)
+
+$(dir_out)/$(name).bin: $(dir_build)/$(name).elf
+	@mkdir -p "$(@D)"
+	$(OBJCOPY) -S -O binary $< $@
+
+$(dir_build)/$(name).elf: $(bundled) $(objects)
+	$(LINK.o) -T linker.ld $(OUTPUT_OPTION) $^
+
+$(dir_build)/%.bin.o: $(dir_build)/%.bin
+	@$(bin2o)
+
+$(dir_build)/%.o: $(dir_source)/%.c
+	@mkdir -p "$(@D)"
+	$(COMPILE.c) $(OUTPUT_OPTION) $<
+
+$(dir_build)/%.o: $(dir_source)/%.s
+	@mkdir -p "$(@D)"
+	$(COMPILE.s) $(OUTPUT_OPTION) $<