Segmentation maps a logical address (a 16-bit selector plus a 32-bit offset) to a 32-bit linear address, enforcing privilege and limit checks along the way. Paging then translates that linear address to a physical address, adding a second layer of User/Supervisor and Read/Write protection. The two layers are independent: segmentation is always active in protected mode, while paging is optional (controlled by CR0.PG).
本质上，基于 AppFunctions 的实现方式，和过去的 API 路径逻辑相同。这是一种「打好了招呼」的解题思路。
。爱思助手下载最新版本对此有专业解读
2026-02-26 19:00:00
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