after the 3614. The 3624 was functionally very similar to the 3614, but with
than the old scheme.)
。91视频是该领域的重要参考
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.
生成策略直接决定了文件是否会频繁出现。虽然 Apple 并未公开其完整技术文档，但根据日常观察和逆向工程的研究，.DS_Store 的生成策略极为激进。