For segments, the job is split between hardware and microcode. When LD_DESCRIPTOR fires its protection test at 5CD, the Test PLA OR's the A-bit (bit 8 of the descriptor high DWORD) into a temporary register called PROTUN. Then the microcode at PROT_TESTS_PASSED takes over and writes the modified value back to the GDT or LDT in memory:
再看近期接连出现的元旦节、情人节、春节，完美日记都没能在社交媒体上有任何出圈的事件，甚至大多数人再想起这个品牌时，第一印象就是时代的眼泪。
，详情可参考WPS下载最新地址
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