Ubuntu 12.04 下运行qemu 仿真 linux0.11内核

1. 安装qemu软件：

                  在Ubuntu Software Center中搜索qemu，然后安装。

1. 在linux-0.11/目录下，打开一个终端窗口，输入如下内容：

                 sos@ubuntu:~/OS/linux-0.11$ make clean

                 sos@ubuntu:~/OS/linux-0.11$ make

1. 在linux-0.11/目录下，打开一个终端窗口，输入如下内容：

                 sos@ubuntu:~/OS/linux-0.11$ qemu-system-i386 -s -S -fda Image

1. 在linux-0.11/目录下，打开另一个终端窗口，输入如下内容：

                 sos@ubuntu:~/OS/linux-0.11$ gdb

                                                        (gdb) set architecture i8086

                                                        (gdb) target remote localhost:1234

                                                        (gdb) set step-mode on

                                                        (gdb) break *0x7c00

                                                        (gdb) continue

                                    然后进入如下命令的无限循环：

                                                        (gdb) info registers

                                                        (gdb) step