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.
2026-02-28 00:00:00:0刘子赫3014273710http://paper.people.com.cn/rmrb/pc/content/202602/28/content_30142737.htmlhttp://paper.people.com.cn/rmrb/pad/content/202602/28/content_30142737.html11921 治水安邦 兴水利民。关于这个话题，同城约会提供了深入分析
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free_table[j] = h;
（二）享有政治权利，人身自由未受到限制；