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BASE = zpu-elf
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CC = $(BASE)-gcc
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LD = $(BASE)-gcc
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AS = $(BASE)-as
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CP = $(BASE)-objcopy
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DUMP = $(BASE)-objdump
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ROMGEN = ./zpuromgen
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# we use mincrt0.s from here
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STARTUP_DIR = .
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# we fetch ROM prologue / epilogue from here
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RTL_DIR = $(ZPUFLEXDIR)/RTL/
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BUILD_DIR=zpu_obj
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#MINSTARTUP_SRC = mincrt0.s
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MINSTARTUP_SRC = mycrt0.s
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MINSTARTUP_OBJ = $(patsubst $(STARTUP_DIR)/%.s,$(BUILD_DIR)/%.o,$(MINSTARTUP_SRC))
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MAIN_PRJ = HelloTinyROM
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MAIN_SRC = main.c pff.c uart.c led.c regs.c debug.c
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#MAIN_SRC = stuff.c
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MAIN_OBJ = $(COMMON_OBJ) $(patsubst %.c,$(BUILD_DIR)/%.o,$(MAIN_SRC))
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LINKMAP = ./standalone_simple.ld
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# Commandline options for each tool.
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#ZPUOPTS= -mno-poppcrel -mno-pushspadd -mno-callpcrel -mno-shortop -mno-neg # No-neg requires bugfixed toolchain
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#Include everything -> need to include emulation rom...
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ZPUOPTS =
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CFLAGS = -I. -c -g -O2 $(ZPUOPTS) -DDISABLE_UART_RX
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LFLAGS = -nostartfiles -Wl,--relax -g -Os
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#LFLAGS = -nostartfiles -Os
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# Our target.
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all: $(BUILD_DIR) $(MAIN_PRJ).bin $(MAIN_PRJ)_ROM.mif $(MAIN_PRJ).rpt
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clean:
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rm -f $(BUILD_DIR)/*.o *.hex *.elf *.map *.lst *.srec $(MAIN_PRJ).rom *~ */*.o *.bin
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# Convert ELF binary to bin file.
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%.bin: %.elf
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$(CP) -O binary $< $@
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%.rpt: %.elf
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echo >$@ -n "End of code:\t"
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$(DUMP) -x $< | grep >>$@ _romend
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echo >>$@ -n "Start of BSS:\t"
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$(DUMP) -x $< | grep >>$@ __bss_start__
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echo >>$@ -n "End of BSS:\t"
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$(DUMP) -x $< | grep >>$@ __bss_end__
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cat $@
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$(ROMGEN): ./zpuromgen.c
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gcc -o ./zpuromgen ./zpuromgen.c
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%_ROM.mif: %.bin $(ROMGEN)
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sed 's/dualportram/$*_ROM/' >$*_ROM.mif <./rom_prologue.vhd
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$(ROMGEN) $*.bin >>$*_ROM.mif
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cat >>$*_ROM.mif ./rom_epilogue.vhd
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# Link - this produces an ELF binary.
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$(MAIN_PRJ).elf: $(MINSTARTUP_OBJ) $(MAIN_OBJ)
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$(LD) $(LFLAGS) -T $(LINKMAP) -o $@ $+ $(LIBS)
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$(BUILD_DIR)/%.o: %.c Makefile
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$(CC) $(CFLAGS) -o $@ -c $<
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$(BUILD_DIR)/%.o: %.s
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$(AS) -o $@ $<
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$(BUILD_DIR)/%.o: $(STARTUP_DIR)/%.s
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$(AS) -o $@ $<
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$(BUILD_DIR):
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mkdir $(BUILD_DIR)
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