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# Recursive make is bad, but in this case we're cross compiling which is a
# pretty unusual use case.
CC = $(RISCV)/bin/riscv64-unknown-elf-gcc
OBJCOPY = $(RISCV)/bin/riscv64-unknown-elf-objcopy
COMPILE = $(CC) -nostdlib -nostartfiles -I.. -Tlink.ld
ELFS = debug_rom
DEPS = debug_rom.S link.ld
all: $(patsubst %,%.h,$(ELFS)) $(patsubst %,%_defines.h,$(ELFS))
%_defines.h: %.S
grep define $^ > $@
%.h: %.raw
xxd -i $^ | sed "s/^unsigned/static const unsigned/" > $@
%.raw: %
$(OBJCOPY) -O binary --only-section .text $^ $@
debug_rom: $(DEPS)
$(COMPILE) -o $@ $^
clean:
rm -f $(ELFS) debug_rom*.raw debug_rom*.h
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