Sakshi VenkatramanUS reporter
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.。Line官方版本下载对此有专业解读
第六十一条 本法下列用语的含义：。关于这个话题，同城约会提供了深入分析
套色木刻版画《春到洞庭湖》，作者力群，中国美术馆藏。