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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Save usernames and passwords and LastPasswill log you in automatically.，这一点在体育直播中也有详细论述
值得注意的是，LEITZPHONE 在海外的定价高达 1.6 万元人民币，国内售价尚未公布。