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Updated Makefile, started splitting code in to multiple pieces.

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Xnoe
2021-09-02 16:29:07 +01:00
parent a4d1679723
commit 03e7647fc6
7 changed files with 199 additions and 170 deletions
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Makefile
+17 -17
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@@ -1,7 +1,13 @@
CFLAGS = -m32 -nostdlib -fno-builtin -fno-exceptions -fno-leading-underscore -fno-pie -fno-stack-protector
LDFLAGS =
disk.img: boot.sector kernel.bin hello.bin print.bin hello.txt boot32.bin kernel32.bin
DISK_IMG_FILES = kernel.bin hello.bin print.bin boot32.bin kernel32.bin
KERNEL32_OBJS = screenstuff.o io.o kernel32_strap.o kernel32.o
run: disk.img
qemu-system-x86_64 disk.img
disk.img: clean boot.sector $(DISK_IMG_FILES)
dd if=/dev/zero of=disk.img count=43 bs=100k
dd if=boot.sector of=disk.img conv=notrunc
mount disk.img img.d
@@ -10,26 +16,20 @@ disk.img: boot.sector kernel.bin hello.bin print.bin hello.txt boot32.bin kernel
umount img.d
chmod 777 disk.img
clean:
rm $(DISK_IMG_FILES) $(KERNEL32_OBJS) boot.sector disk.img || true
boot.sector: boot.asm
nasm $< -o $@
kernel.bin: kernel.asm
%.bin: %.asm
nasm $< -o $@
hello.bin: hello.asm
nasm $< -o $@
print.bin: print.asm
nasm $< -o $@
boot32.bin: boot32.asm
nasm $< -o $@
kernel32.bin: kernel32.ld kernel32_strap.o kernel32.o
ld $(LDFLAGS) -T $<
kernel32.o: kernel32.c
gcc $(CFLAGS) -o $@ -c $<
kernel32.bin: kernel32.ld $(KERNEL32_OBJS)
ld $(LDFLAGS) -T $< $(KERNEL32_OBJS)
kernel32_strap.o: kernel32_strap.asm
nasm -felf32 $< -o $@
nasm -felf32 $< -o $@
%.o: %.c
gcc $(CFLAGS) -o $@ -c $<