16.04上执行第五章第i个程序成功了

悠悠 2024-02-18 18:38 11阅读 0赞

mkdir /mnt/floppy

sudo apt-get install vgabios bochs bochs-x bximage

bochs -f b.txt(如果不行，需要reboot下电脑)

![70][]

配置文件：  
root@ubuntu:/home/OS\_Self/chapter5/i\# cat a.txt  
\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#  
\# bochsrc.bxrc file for Tinix.  
\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#  
  
\# how much memory the emulated machine will have  
megs: 32  
  
\#display\_library: sdl  
  
\# filename of ROM images  
romimage: file=$BXSHARE/BIOS-bochs-latest  
vgaromimage: file=/usr/share/bochs/VGABIOS-lgpl-latest  
  
\# what disk images will be used  
floppya: 1\_44=a.img, status=inserted  
  
\# choose the boot disk.  
boot: a  
  
\# where do we send log messages?  
log: bochsout.txt  
  
\# disable the mouse, since Tinix is text only  
mouse: enabled=0  
  
\# enable key mapping, using US layout as default.  
\#keyboard\_mapping: enabled=1, map=/usr/share/bochs/keymaps/sdl-pc-us.map

Makefile（由于我的系统是64位的，编译32位的时候需要加对应参数）:

root@ubuntu:/home/OS\_Self/chapter5/i\# cat Makefile  
\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#  
\# Makefile for Orange'S \#  
\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#\#  
  
  
\# Entry point of Orange'S  
\# It must have the same value with 'KernelEntryPointPhyAddr' in load.inc!  
ENTRYPOINT = 0x30400  
  
  
\# Offset of entry point in kernel file  
\# It depends on ENTRYPOINT  
ENTRYOFFSET = 0x400  
  
  
\# Programs, flags, etc.  
ASM = nasm  
DASM = ndisasm  
CC = gcc \-m32  
LD = ld  
ASMBFLAGS = -I boot/include/  
ASMKFLAGS = -I include/ -f elf  
CFLAGS = -I include/ -c -fno-builtin \-fno-stack-protector  
LDFLAGS = -s \-m elf\_i386 \-Ttext $(ENTRYPOINT)  
DASMFLAGS = -u -o $(ENTRYPOINT) -e $(ENTRYOFFSET)  
  
  
\# This Program  
ORANGESBOOT = boot/boot.bin boot/loader.bin  
ORANGESKERNEL = kernel.bin  
OBJS = kernel/kernel.o kernel/start.o kernel/i8259.o kernel/global.o kernel/protect.o lib/klib.o lib/kliba.o lib/string.o  
DASMOUTPUT = kernel.bin.asm  
  
  
\# All Phony Targets  
.PHONY : everything final image clean realclean disasm all buildimg  
  
  
\# Default starting position  
everything : $(ORANGESBOOT) $(ORANGESKERNEL)  
  
  
all : realclean everything  
  
  
final : all clean  
  
  
image : final buildimg  
  
  
clean :  
rm -f $(OBJS)  
  
  
realclean :  
rm -f $(OBJS) $(ORANGESBOOT) $(ORANGESKERNEL)  
  
  
disasm :  
$(DASM) $(DASMFLAGS) $(ORANGESKERNEL) > $(DASMOUTPUT)  
  
  
\# We assume that "a.img" exists in current folder  
buildimg :  
dd if=boot/boot.bin of=a.img bs=512 count=1 conv=notrunc  
sudo mount -o loop a.img /mnt/floppy/  
sudo cp -fv boot/loader.bin /mnt/floppy/  
sudo cp -fv kernel.bin /mnt/floppy  
sudo umount /mnt/floppy  
  
  
boot/boot.bin : boot/boot.asm boot/include/load.inc boot/include/fat12hdr.inc  
$(ASM) $(ASMBFLAGS) -o $@ $<  
  
  
boot/loader.bin : boot/loader.asm boot/include/load.inc \\  
boot/include/fat12hdr.inc boot/include/pm.inc  
$(ASM) $(ASMBFLAGS) -o $@ $<  
  
  
$(ORANGESKERNEL) : $(OBJS)  
$(LD) $(LDFLAGS) -o $(ORANGESKERNEL) $(OBJS)  
  
  
kernel/kernel.o : kernel/kernel.asm  
$(ASM) $(ASMKFLAGS) -o $@ $<  
  
  
kernel/start.o: kernel/start.c include/type.h include/const.h include/protect.h \\  
include/proto.h include/string.h  
$(CC) $(CFLAGS) -o $@ $<  
  
  
kernel/i8259.o : kernel/i8259.c include/type.h include/const.h include/protect.h \\  
include/proto.h  
$(CC) $(CFLAGS) -o $@ $<  
  
  
kernel/global.o : kernel/global.c  
$(CC) $(CFLAGS) -o $@ $<  
  
  
kernel/protect.o : kernel/protect.c  
$(CC) $(CFLAGS) -o $@ $<  
  
  
lib/klib.o : lib/klib.c  
$(CC) $(CFLAGS) -o $@ $<  
  
  
lib/kliba.o : lib/kliba.asm  
$(ASM) $(ASMKFLAGS) -o $@ $<  
  
  
lib/string.o : lib/string.asm

$(ASM) $(ASMKFLAGS) -o $@ $<

编译命令：

make clean

make buildimg

[70]: https://image.dandelioncloud.cn/pgy_files/images/2024/01/29/935dc1ce251b417a8de5caeb50e7b479.png