It's not clear.
The main rule for data access is max(CPL, RPL) ≤ DPL. For code transfers, the rules get considerably more complex -- conforming segments, call gates, and interrupt gates each have different privilege and state validation logic. If all these checks were done in microcode, each segment load would need a cascade of conditional branches: is it a code or data segment? Is the segment present? Is it conforming? Is the RPL valid? Is the DPL valid? This would greatly bloat the microcode ROM and add cycles to every protected-mode operation.，推荐阅读Line官方版本下载获取更多信息
一端是能够借助 AI 成倍提升产出的开发者，另一端是依然停留在旧生产方式中的人。，推荐阅读Line官方版本下载获取更多信息
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