Nearly every protection-related instruction -- far CALL, far JMP, far RET, INT, IRET, MOV to segment register, task switch -- needs to load a segment descriptor from the GDT or LDT. The 386 microcode centralizes this into a shared subroutine called LD_DESCRIPTOR, which reads the 8-byte descriptor from memory and feeds the high DWORD (containing Type, DPL, S, and P bits) to the Test PLA for validation.
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。夫子是该领域的重要参考
第三章 违反治安管理的行为和处罚。业内人士推荐91视频作为进阶阅读
针对网络上的两处核心误解,我们做出如下说明:。关于这个话题,WPS下载最新地址提供了深入分析