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Makefile
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Makefile
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# makefile
.PHONY: init install run fs bochs qemu clean log count
.IGNORE: init
MAKE = make -r
AS = nasm
CC = gcc
DEL = rm -f
DBG = bochs
BOCHS = bochs
QEMU = qemu
LD = ld
OBJCPY = objcopy
CFLAGS = -c -O0 -Wall -Werror -nostdinc -fno-builtin -fno-stack-protector -funsigned-char \
-finline-functions -finline-small-functions -findirect-inlining \
-finline-functions-called-once -Iinc -m32 -ggdb -gstabs+ -fdump-rtl-expand
ROOTFS = bin/rootfs
OBJS = bin/loader.o \
bin/main.o bin/dbg.o bin/timer.o bin/asm.o \
bin/gdt.o bin/idt.o bin/isr.o bin/irq.o bin/fault.o bin/syscall.o \
bin/vga.o bin/kb.o bin/ide.o \
bin/string.o bin/vsprint.o bin/printk.o \
bin/pmm.o bin/vmm.o \
bin/bcache.o bin/sb.o bin/bitmap.o bin/inode.o bin/dir.o bin/p2i.o bin/fstest.o bin/file.o bin/sysfile.o \
bin/init.o bin/proc.o bin/sysproc.o bin/exec.o \
bin/pipe.o \
bin/dev.o bin/tty.o
UDEPS = bin/usys.o bin/uio.o bin/string.o bin/vsprint.o
UPROGS = bin/cinit bin/sh bin/cat bin/ls bin/mkdir bin/rm
UOBJS := $(UPROGS:%=%.o)
# create a 1.44MB floppy include kernel and bootsector
bin/floppy.img: boot/floppy.asm bin/bootsect.bin bin/kernel
$(AS) -I ./bin/ -f bin -l lst/floppy.s $< -o $@
# bootsector
bin/bootsect.bin: boot/bootsect.asm
$(AS) -I ./boot/ -f bin -l lst/bootsect.s $< -o $@
bin/loader.o : kern/loader.asm
$(AS) -I ./boot/ -f elf32 -g -F stabs -l lst/loader.s $< -o $@
bin/init.o: proc/init.asm
$(AS) -I ./boot/ -f elf32 -g -F stabs -l lst/init.s $< -o $@
# link loader.o and c objfile
# generate a symbol file(kernel.elf) and a flat binary kernel file(kernel)
bin/kernel: script/link.ld $(OBJS)
$(LD) -T$< -melf_i386 -static -o [email protected] $(OBJS) -M>lst/map.map
$(OBJCPY) -O binary [email protected] $@
# compile c file in all directory
bin/%.o: */%.c
$(CC) $(CFLAGS) -c $^ -o $@
$(CC) $(CFLAGS) -S $^ -o lst/$*.s
bin/usys.o: usr/usys.asm
$(AS) -f elf32 -g -F stabs -l lst/usys.s $< -o $@
$(UPROGS): script/ulink.ld $(UOBJS) $(UDEPS)
$(LD) -T$< -melf_i386 -static [email protected] $(UDEPS) -o $@
#----------------------------------------
init:
mkdir lst
mkdir bin
mkdir $(ROOTFS)
default: Makefile
$(MAKE) bin/floppy.img
# make a disk with minix v1 file system
fs: $(UPROGS)
$(DEL) bin/rootfs.img
bximage bin/rootfs.img -hd=10M -imgmode=flat -mode=create -q
mkfs.minix bin/rootfs.img -1 -n14
sudo mount -o loop -t minix bin/rootfs.img $(ROOTFS)
cp usr/README $(ROOTFS)
mkdir $(ROOTFS)/bin
mkdir $(ROOTFS)/share
cp usr/logo.txt $(ROOTFS)/share
for i in $(UPROGS); do cp $$i $(ROOTFS)/bin; done
sleep 1
sudo umount $(ROOTFS)
# check root file system
fsck:
fsck.minix -fsl ./bin/rootfs.img
# default run with bochs
run:
$(DBG) -q -f script/bochsrc.bxrc -rc script/bochsinit
# debug with Bochs X GUI
bochs:
$(BOCHS) -q -f script/dbg_bochsrc.bxrc -log lst/bochsdbgout.log
# debug with qemu and gdb
qemu:
$(QEMU) -S -s -fda bin/floppy.img -hda bin/rootfs.img -boot a &
sleep 1
cgdb -x script/gdbinit
# clean the binary file
clean:
$(DEL) bin/*.lst
$(DEL) bin/*.o
$(DEL) bin/*.bin
$(DEL) bin/*.tmp
$(DEL) bin/kernel
$(DEL) bin/kernel.elf
$(DEL) bin/floppy.img
# clean list file under lst/
log:
$(DEL) lst/*
count:
./line.sh