Даниил Иринин (Редактор отдела «Наука и техника»)
Екатерина Ештокина
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Фото: Kevin Lamarque / Reuters
; Step 1: Call LD_DESCRIPTOR and fire the privilege test
The solution is trap-and-emulate, the same principle later generalized in hardware virtualization extensions. V86 mode adds a special rule: since V86 tasks always run at CPL=3, if the OS sets IOPL