文 |品牌棱镜BrandPrism
18:08, 27 февраля 2026Путешествия
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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.
第七十五条 有下列行为之一的，处警告或者五百元以下罚款；情节较重的，处五日以上十日以下拘留，并处五百元以上一千元以下罚款：
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