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.
Skip 熱讀 and continue reading熱讀
，这一点在heLLoword翻译官方下载中也有详细论述
20+ curated newsletters，详情可参考safew官方版本下载
PhotosThe Photos tab lets you search for and choose from millions of professional stock photos for your templates.，详情可参考爱思助手下载最新版本
Go to worldnews