目录
第一次实验遗漏的测试： ......................................................................................................4
实验一 ......................................................................................................................................6
（1.1）认识保护模式 ....................................................................................................6
（1.2）保护模式的运行环境.........................................................................................7
实验二 ：GDT ..........................................................................................................................9
实验三：LDT ..........................................................................................................................12
实验四：调用门 ....................................................................................................................13
实验五： ................................................................................................................................15
（5.1）进入 ring3 .......................................................................................................15
(5.2) 调用门进入有特权级变换的转移.....................................................................15
（5.3） 经由局部任务返回实模式（pmtest5.asm） .............................................16
实验六：编写代码启动分页机制（pmtest6.asm）...........................................................17
实验七：显示内存信息（pmtest7.asm）...........................................................................19
实验八：页表切换（pmtest8.asm）...................................................................................20
实验九： ................................................................................................................................21
（9.1）编程操作 8259A（pmtest9a.asm）................................................................21
（9.2）实现一个中断（pmtest9b.asm）...................................................................22
(9.3) 修改 IDT，新增函数处理中断（pmtest9c.asm） ..........................................23
(9.4) 时钟中断实验（pmtest9.asm）.......................................................................24
实验分析 ................................................................................................................................26
个人总结 ................................................................................................................................26
