debug_rom/Makefile

   1 # Recursive make is bad, but in this case we're cross compiling which is a
   2 # pretty unusual use case.
   3
   4 CC = $(RISCV)/bin/riscv64-unknown-elf-gcc
   5 OBJCOPY = $(RISCV)/bin/riscv64-unknown-elf-objcopy
   6
   7 %.o:    %.S
   8         $(CC) -I.. -c $<
   9
  10 debug_rom.h:    debug_rom.raw
  11         xxd -i $^ | sed "s/^unsigned/static const unsigned/" > $@
  12
  13 debug_rom.raw:  debug_rom
  14         $(OBJCOPY) -O binary --only-section .text debug_rom debug_rom.raw
  15
  16 debug_rom:      debug_rom.o link.ld
  17         $(CC) -nostdlib -nostartfiles -Tlink.ld -o $@ $^
  18
  19 clean:
  20         rm -f debug_rom debug_rom.o debug_rom.raw debug_rom.h