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Makefile
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Makefile
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# SPDX-License-Identifier: 0BSD
#
# Copyright (C) 2022 by Forest Crossman <[email protected]>
#
# Permission to use, copy, modify, and/or distribute this software for
# any purpose with or without fee is hereby granted.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
# WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
# WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
# AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
# DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
# PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
# TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
# PERFORMANCE OF THIS SOFTWARE.
PREFIX := riscv32-elf-
AS := $(PREFIX)as
ASFLAGS := -march=rv32im
LD := $(PREFIX)ld
LDFLAGS := -T linker.ld -Map hello-rv32.map
OBJCOPY := $(PREFIX)objcopy
OBJDUMP := $(PREFIX)objdump
all: hello-rv32.bin
%.o: %.S
$(AS) $(ASFLAGS) -o $@ $<
%.elf: %.o linker.ld
$(LD) $(LDFLAGS) -o $@ $<
%.bin: %.elf
$(OBJCOPY) -S -O binary $< $@
chmod -x $@
disasm-bin: hello-rv32.bin
$(OBJDUMP) -mriscv -b binary -D $<
disasm-elf: hello-rv32.elf
$(OBJDUMP) -d $<
combined.bin: ../../src/rv51.bin hello-rv32.bin
cat $^ > $@
../../src/rv51.bin:
make -C ../../src
%.ihx: %.bin
sdobjcopy -I binary -O ihex $< $@
sim: combined.ihx
s51 -t 8052 -X 12M -b -S out=- -e "break $(shell grep exec_ebreak: ../../src/main.lst | sed 's/\s\+\([0-9A-F]\+\).*/0x\1/g')" -e run $< </dev/null
clean:
rm -f *.bin *.elf *.ihx *.map *.o
.PHONY: all clean disasm-bin disasm-elf sim