mips_sys

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SRCS=cyc_cnt.c lcd.c leds.c main.c
CC=mipsel-elf-gcc
LD=mipsel-elf-ld
OBJCOPY=mipsel-elf-objcopy
CFLAGS=-Wall -Wextra -mips1 -mno-abicalls
LFLAGS=-mips1
BASES=$(patsubst %.c,%,$(SRCS))
DEPS=$(addsuffix .d,$(BASES))
OBJS=$(addsuffix .o,$(BASES))
.PHONY: all clean
all: rom.vhd
ifneq ($(MAKECMDGOALS),clean)
  include deps
endif
deps: $(DEPS)
    cat /dev/null $^ >$@
%.d: %.c Makefile
    $(CC) $(CFLAGS) -M -o $@ $<
%.o: %.c Makefile
    $(CC) $(CFLAGS) -c -o $@ $<
%.o: %.s Makefile
    $(CC) $(CFLAGS) -c -o $@ $<
fw.o: $(OBJS)
    $(LD) $(LFLAGS) -r -o $@ $^
fw: lnk.cmd boot.o fw.o
    $(LD) $(LFLAGS) -T lnk.cmd -o $@ boot.o fw.o
fw.bin: fw
    $(OBJCOPY) -j .text -O binary $< $@
rom.vhd: rom.head.vhd rom.tail.vhd fw.bin
    cat rom.head.vhd >$@
    hexdump -e '1/4 "%08X\n"' -v fw.bin | \
      sed 's/^/=> X"/;s/$$/",/' | \
      nl -p -v 0 | \
      sed 's/^/        /' >>$@
    cat rom.tail.vhd >>$@
clean:
    rm -f $(OBJS) boot.o fw.o fw fw.bin rom.vhd
 
 
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