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.
When you open a bank account, you typically do so at a "branch," one of many
。同城约会是该领域的重要参考
writes every transaction in a little booklet that the customer keeps? They were
Фото: Прокуратура Иркутской области / РИА Новости