rust-raspberrypi-OS-tutorials/.0E_initrd/Makefile
2018-03-31 20:06:27 +02:00

53 lines
1.7 KiB
Makefile

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