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https://github.com/rust-embedded/rust-raspberrypi-OS-tutorials.git
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44 lines
1.5 KiB
Makefile
44 lines
1.5 KiB
Makefile
#
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# Copyright (C) 2018 bzt (bztsrc@github)
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#
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# Permission is hereby granted, free of charge, to any person
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# obtaining a copy of this software and associated documentation
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# files (the "Software"), to deal in the Software without
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# restriction, including without limitation the rights to use, copy,
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# modify, merge, publish, distribute, sublicense, and/or sell copies
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# of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be
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# included in all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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# HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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# WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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# DEALINGS IN THE SOFTWARE.
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#
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#
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SRCS = $(wildcard *.c)
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OBJS = $(SRCS:.c=.o)
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CFLAGS = -Wall -O2 -ffreestanding -nostdinc -nostdlib -nostartfiles
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all: clean kernel8.img
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start.o: start.S
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aarch64-elf-gcc $(CFLAGS) -c start.S -o start.o
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%.o: %.c
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aarch64-elf-gcc $(CFLAGS) -c $< -o $@
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kernel8.img: start.o $(OBJS)
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aarch64-elf-ld -nostdlib -nostartfiles start.o $(OBJS) -T link.ld -o kernel8.elf
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aarch64-elf-objcopy -O binary kernel8.elf kernel8.img
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clean:
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rm kernel8.elf *.o >/dev/null 2>/dev/null || true
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