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The instruction that reads the segment limit into the register, if privilege rules and descriptor type allow is

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The instruction that reads the segment limit into the register, if privilege rules and descriptor type allow is

(a) VERW

(b) APRL

(c) LSL

(d) LAR

I had been asked this question in class test.

My doubt is from Special Operations topic in division 80286-80287-A Microprocessor with Memory Management and Protection of Microprocessor

1 Answer

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by (49.2k points)
The correct answer is (c) LSL

Easiest explanation: The LSL (Load Segment Limit) instruction reads the segment limit into the register, if privilege rules, and descriptor type allow.

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