The market reacted positively to the news, with Block's shares rising by nearly 30 percent in extended trading following the announcement.
The x86 protection model is notoriously complex, with four privilege rings, segmentation, paging, call gates, task switches, and virtual 8086 mode. What's interesting from a hardware perspective is how the 386 manages this complexity on a 275,000-transistor budget. The 386 employs a variety of techniques to implement protection: a dedicated PLA for protection checking, a hardware state machine for page table walks, segment and paging caches, and microcode for everything else.
。关于这个话题，服务器推荐提供了深入分析
人 民 网 版 权 所 有 ，未 经 书 面 授 权 禁 止 使 用
can’t be allocated on the stack, because the stack frame for extract
第六条 不设区的市、市辖区的人民政府和街道办事处对居民委员会的工作给予指导、支持和帮助。居民委员会协助不设区的市、市辖区的人民政府或者街道办事处开展工作。