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 COMPILE = $(CC) -nostdlib -nostartfiles -I.. -Tlink.ld
   8
   9 ELFS = debug_rom
  10 DEPS = debug_rom.S link.ld
  11
  12 all: $(patsubst %,%.h,$(ELFS)) $(patsubst %,%_defines.h,$(ELFS))
  13
  14 %_defines.h: %.S
  15         grep define $^ > $@
  16
  17 %.h:    %.raw
  18         xxd -i $^ | sed "s/^unsigned/static const unsigned/" > $@
  19
  20 %.raw:  %
  21         $(OBJCOPY) -O binary --only-section .text $^ $@
  22
  23 debug_rom:      $(DEPS)
  24         $(COMPILE) -o $@ $^
  25
  26 clean:
  27         rm -f $(ELFS) debug_rom*.raw debug_rom*.h