2022-01-20 17:46:10 +00:00
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TARGET = mzm_us.gba
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BASEROM = baserom_us.gba
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SHA1FILE = mzm.sha1
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2022-01-21 09:08:58 +00:00
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ELF = $(TARGET:.gba=.elf)
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MAP = $(TARGET:.gba=.map)
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DUMPS = $(TARGET:.gba=.dump) $(BASEROM:.gba=.dump)
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2022-01-20 17:46:10 +00:00
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# Binaries
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2022-01-21 09:08:58 +00:00
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TOOLCHAIN ?= arm-none-eabi-
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AS = $(TOOLCHAIN)as
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LD = $(TOOLCHAIN)ld
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OBJCOPY = $(TOOLCHAIN)objcopy
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OBJDUMP = $(TOOLCHAIN)objdump
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DIFF = diff -u
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2022-01-20 17:46:10 +00:00
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RM = rm -f
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SHA1SUM = sha1sum
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2022-01-21 09:08:58 +00:00
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TAIL = tail
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# Flags
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ASFLAGS = -mcpu=arm7tdmi
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# Objects
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ASM = \
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asm/blob_0x00000000-0x000000c0.s \
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asm/crt0.s \
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asm/blob_0x00000104-0x00800000.s
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OBJ = $(ASM:.s=.o) $(BLOBS)
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2022-01-20 17:46:10 +00:00
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# Enable verbose output
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ifeq ($(V),1)
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Q =
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MSG = @:
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else
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Q = @
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MSG = @echo " "
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endif
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.PHONY: all
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all: $(TARGET)
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.PHONY: check
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check: all
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$(MSG) SHA1SUM $(SHA1FILE)
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$Q$(SHA1SUM) -c $(SHA1FILE)
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2022-01-21 09:08:58 +00:00
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.PHONY: dump
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dump: $(DUMPS)
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.PHONY: diff
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diff: $(DUMPS)
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$(MSG) DIFF $^
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$Q$(DIFF) $^
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2022-01-20 17:46:10 +00:00
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.PHONY: clean
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clean:
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$(MSG) RM $(TARGET)
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2022-01-21 09:08:58 +00:00
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$Q$(RM) $(TARGET) $(ELF) $(MAP)
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$(MSG) RM $(DUMPS)
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$Q$(RM) $(DUMPS)
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$(MSG) RM $(OBJ)
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$Q$(RM) $(OBJ)
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.PHONY: help
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help:
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@echo 'Targets:'
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@echo ' all: build the ROM'
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@echo ' check: checksum the ROM'
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@echo ' dump: dump the ROMs'
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@echo ' diff: compare the ROM with the original'
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@echo ' clean: remove the ROM and intermediate files'
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@echo ' help: show this message'
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@echo ''
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@echo 'Flags:'
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@echo ' V=1: enable verbose output'
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$(TARGET): $(ELF)
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$(MSG) OBJCOPY $@
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$Q$(OBJCOPY) -O binary --gap-fill 0xff --pad-to 0x08800000 $< $@
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# TODO: gbafix
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$(ELF): $(OBJ) linker.ld
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$(MSG) LD $@
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$Q$(LD) $(LDFLAGS) -n -T linker.ld -Map=$(MAP) -o $@ $(OBJ)
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2022-01-20 17:46:10 +00:00
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2022-01-21 09:08:58 +00:00
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%.dump: %.gba
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$(MSG) OBJDUMP $@
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$Q$(OBJDUMP) -D -bbinary -marm7tdmi $< | $(TAIL) -n+3 > $@
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2022-01-20 17:46:10 +00:00
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2022-01-21 09:08:58 +00:00
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%.o: %.s
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$(MSG) AS $@
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$Q$(AS) $(ASFLAGS) $< -o $@
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