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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.
,这一点在爱思助手下载最新版本中也有详细论述
于是,愧疚找到了出口,焦虑遇见了同频,孤独撞上了温暖。一段简短的回应,一条共情的评论,便足以让紧绷的心灵瞬间松弛,让漂泊的情绪获得慰藉。“赛博忏悔室”的走红,本质是现实情绪疏导渠道不足的代偿,是年轻人在压力之下,最温柔也最无奈的自我疗愈。
The United States women’s hockey team has a date with Flavor Flav in Las Vegas in July to celebrate winning the gold medal at the Milan Cortina Olympics.
Radio 4,·26 Feb 2026,·28 mins