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ifeq ($(strip $(DEVKITARM)),)
$(error "Please set DEVKITARM in your environment. export DEVKITARM=<path to>devkitARM")
endif
include $(DEVKITARM)/base_rules
################################################################################
LDR_LOAD_ADDR := 0x40007000
MAGIC := 0x4B434F4C #"LOCK"
include ../Versions.inc
################################################################################
TARGET := loader
BUILDDIR := ../build
OUTPUTDIR := ../output
BDKDIR := bdk
BDKINC := -I../$(BDKDIR)
VPATH += $(dir $(wildcard ../$(BDKDIR)/*/)) $(dir $(wildcard ../$(BDKDIR)/*/*/))
# Main and graphics.
OBJS = $(addprefix $(BUILDDIR)/$(TARGET)/, \
start.o loader.o lz.o \
)
################################################################################
CUSTOMDEFINES := -DLP_MAGIC=$(MAGIC)
CUSTOMDEFINES += -DLP_VER_MJ=$(LPVERSION_MAJOR) -DLP_VER_MN=$(LPVERSION_MINOR) -DLP_VER_BF=$(LPVERSION_BUGFX) -DLP_RESERVED=$(LPVERSION_RSVD)
#TODO: Considering reinstating some of these when pointer warnings have been fixed.
WARNINGS := -Wall -Wno-array-bounds -Wno-stringop-overflow
ARCH := -march=armv4t -mtune=arm7tdmi -mthumb-interwork
CFLAGS = $(ARCH) -O2 -g -nostdlib -ffunction-sections -fdata-sections -fomit-frame-pointer -std=gnu11 $(WARNINGS) $(CUSTOMDEFINES)
LDFLAGS = $(ARCH) -nostartfiles -lgcc -Wl,--nmagic,--gc-sections -Xlinker --defsym=LDR_LOAD_ADDR=$(LDR_LOAD_ADDR)
################################################################################
.PHONY: all clean
all: $(TARGET).bin $(TOOLSLZ) $(TOOLSB2C)
clean:
@rm -rf $(OBJS)
$(TARGET).bin: $(BUILDDIR)/$(TARGET)/$(TARGET).elf
$(OBJCOPY) -S -O binary $< $(OUTPUTDIR)/$(PAYLOAD_NAME).bin
$(BUILDDIR)/$(TARGET)/$(TARGET).elf: $(OBJS)
@$(CC) $(LDFLAGS) -T link.ld $^ -o $@
$(BUILDDIR)/$(TARGET)/%.o: %.c
@$(CC) $(CFLAGS) $(BDKINC) -c $< -o $@
$(BUILDDIR)/$(TARGET)/%.o: %.S
@$(CC) $(CFLAGS) -c $< -o $@
$(OBJS): $(BUILDDIR)/$(TARGET)
$(BUILDDIR)/$(TARGET):
@mkdir -p "$(BUILDDIR)"
@mkdir -p "$(BUILDDIR)/$(TARGET)"
@mkdir -p "$(OUTPUTDIR)"
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