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.
Then, write down what needs to be done before.
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很显然,这背后有股“暗黑势力”操纵着不利于伊朗的叙事建构与舆论塑造,而这正是情报工作的最高境界——“认知作战”。
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