1 # you may or may not need to change this
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2 lgcc_path = $(HOME)/opt/open2x/gcc-4.1.1-glibc-2.3.6/lib/gcc/arm-open2x-linux/4.1.1/
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3 CROSS_COMPILE ?= arm-none-eabi-
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8 CFLAGS += -O3 -Wall -mno-thumb-interwork -fstrict-aliasing -fno-stack-protector -fno-common -ffast-math
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9 CFLAGS += -I../../common/helix/pub -I../../.. -I. -D__GP2X__ -DARM
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10 CFLAGS += -mcpu=arm940t -mtune=arm940t -mabi=apcs-gnu -mfloat-abi=soft -mfpu=fpa
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11 LDFLAGS = -static -e code940 -Ttext 0x0 -L$(lgcc_path) -lgcc
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13 GCC = $(CROSS_COMPILE)gcc
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14 STRIP = $(CROSS_COMPILE)strip
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15 AS = $(CROSS_COMPILE)as
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16 LD = $(CROSS_COMPILE)ld
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17 OBJCOPY = $(CROSS_COMPILE)objcopy
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19 vpath %.c = ../../common
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21 BIN = pico940_v3.bin
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27 $(GCC) $(CFLAGS) -c $< -o $@
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30 $(GCC) $(CFLAGS) -c $< -o $@
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33 # stuff for 940 core
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35 # init, emu_control, emu
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36 OBJS940 += 940init.o 940.o 940ym2612.o misc_arm.o mp3_sync.o
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37 # the asm memcpy code crashes job LOAD2 on 940. Possibly a globbered reg?
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38 # OBJS940 += memcpy.o
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39 # the asm code seems to be faster when run on 920, but not on 940 for some reason
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40 # OBJS940 += ../../Pico/sound/ym2612_asm.o
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42 # uClibc library code
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43 OBJS940 += uClibc/memset.o uClibc/s_floor.o uClibc/e_pow.o uClibc/e_sqrt.o uClibc/s_fabs.o
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44 OBJS940 += uClibc/s_scalbn.o uClibc/s_copysign.o uClibc/k_sin.o uClibc/k_cos.o uClibc/s_sin.o
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45 OBJS940 += uClibc/e_rem_pio2.o uClibc/k_rem_pio2.o uClibc/e_log.o uClibc/wrappers.o
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46 LIBHELIX ?= ../../common/helix/$(notdir $(CROSS_COMPILE))helix_mp3.a
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48 $(BIN) : code940.elf
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50 $(OBJCOPY) -O binary $< $@
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52 code940.elf : $(OBJS940) $(LIBHELIX)
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54 $(LD) $^ $(LDFLAGS) -o $@ -Map code940.map
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56 940ym2612.o : ../../../pico/sound/ym2612.c
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58 $(GCC) $(CFLAGS) -Os -DEXTERNAL_YM2612 -c $< -o $@
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60 misc_arm.o : ../../../pico/misc_arm.s
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62 $(GCC) $(CFLAGS) -DEXTERNAL_YM2612 -c $< -o $@
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64 mp3_sync.o: ../../common/mp3_sync.c
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66 $(GCC) $(CFLAGS) -Os -DCODE940 -c $< -o $@
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69 @$(MAKE) -C ../../common/helix/ CROSS_COMPILE=$(CROSS_COMPILE)
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73 @cp -v $< /mnt/gp2x/mnt/sd/emus/PicoDrive/
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80 $(RM) code940.elf $(OBJS940) code940.map
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84 OBJSMP3T = mp3test.o ../gp2x.o ../asmutils.o ../usbjoy.o
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86 mp3test.gpe : $(OBJSMP3T) $(LIBHELIX)
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87 $(GCC) -static -o $@ $^
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89 @cp -v $@ /mnt/gp2x/mnt/sd
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92 $(RM) $(OBJSMP3T) mp3test.gpe
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