Author(s): Aojie Li, Han Hu, Tao Guo, Ruochen Sun, Mao Ye, Feng Tian, Yi Liu
What surprised me was that this entire walk is fully hardware-driven -- no microcode involvement at all. The state machine reads the page directory entry, reads the page table entry, checks permissions, and writes back the Accessed and Dirty bits, all autonomously. Since it's hardware-driven, it runs in parallel with the microcode and needs its own memory bus arbitration -- the paging unit must share the bus with both data accesses from the microcode and prefetch requests from the instruction queue.
，这一点在safew官方下载中也有详细论述
FirstFT: the day's biggest stories
会谈前，李强在人民大会堂北大厅为默茨举行欢迎仪式。
被生活打压的年轻人，热衷于从食物身上找回掌控感——冰箱，就成了这届年轻人下班回家的“多巴胺补给站”。你家的冷冻层，是不是也塞满了牛排虾仁等集中购买的高级食材？你是否会周末做一顿，一吃吃一周？你会固定周末食材大采购，顺便在冰箱里塞满甜品和精酿啤酒吗？你的冰箱是否存在容量不足、食材串味等各种烦恼？欢迎参与“2025年轻人冰箱使用习惯”小调查，一起聊聊你的冰箱使用习惯与问题。