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- MAKEFLAGS += -R -r
- CROSS = riscv32-unknown-elf-
- CC = $(CROSS)gcc
- LD = $(CROSS)ld
- OBJCOPY = $(CROSS)objcopy
- PERL = perl
- CFLAGS = -march=rv32imc -O2 -ggdb3 -mabi=ilp32 \
- -mshorten-memrefs -mno-strict-align
- LDFLAGS = --section-start=.init=0 -z common-page-size=16 -z max-page-size=16
- # Delete output files on error
- .DELETE_ON_ERROR:
- # Don't delete intermediate files
- .SECONDARY:
- all: boot.mif
- boot.elf: head.o hello.o
- boot_depth := 2048
- boot_width := 32
- %.mif: %.bin bin2mif.pl
- $(PERL) bin2mif.pl $< $@ $($*_depth) $($*_width)
- %.hex: %.elf
- $(OBJCOPY) -O ihex $< $@
- %.mem: %.bin
- $(BIN2MEM) $< > $@
- %.bin: %.elf
- $(OBJCOPY) -O binary $< $@
- %.elf:
- $(LD) $(LDFLAGS) -o $@ $^
- %.o: %.c
- $(CC) $(CFLAGS) -c -o $@ $<
- %.s: %.c
- $(CC) $(CFLAGS) -S -o $@ $<
- %.i: %.c
- $(CC) $(CFLAGS) -E -o $@ $<
- %.o: %.S
- $(CC) $(CFLAGS) -c -o $@ $<
- %.s: %.S
- $(CC) $(CFLAGS) -E -o $@ $<
- clean:
- rm -f *.o *.i *.s *.elf *.bin
- spotless: clean
- rm -f *.mem *.hex *.mif
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