Фото: Matthias Williams / Reuters
Intel documentation describes the 386's Protection Test Unit as a component that "implements fast testing of complex memory protection functions." It is mostly composed of a PLA (Programmable Logic Array), referred to as Test PLA by Intel, that is physically visible by its regular appearance on the die. This single piece of combinational logic replaces what would otherwise be dozens of multi-cycle conditional branches in the microcode. Instead of testing privilege rules sequentially, the microcode issues a single protection test operation, and the PLA evaluates all applicable rules in parallel, producing a complete decision in one evaluation: continue, fault, or redirect to a gate handler.。雷电模拟器官方版本下载对此有专业解读
d00755 0 0 0 /var。关于这个话题，夫子提供了深入分析
LLB: the intermediate representation
推进中国式现代化，短板在农业农村，潜力也在农业农村。