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Midterm Review and Discussion

This review discusses the execution environment, addressing space, memory management, programmer’s model, segment registers, addressing modes, stack size, and type conversion in Intel 64 processors. Relevant submissions and key points are highlighted.

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Midterm Review and Discussion

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  1. Midterm Review and Discussion

  2. 1) (15 points) Explain the execution environment of the 64-bit mode execution environment on Intel 64 processors. • From the submissions: • 1st pages from Morris work • Open exam submission for • Text • Also for text Zou

  3. 2) (15 points) Explain the addressing space on Intel 64 processors. • From submissions: • See Peng Bo for good answer • And Shi Lingfeng for anther excellent answer • And Jianfei Wang

  4. 3) (15 points) What is the memory management model used in the Intel 64? • From answers: • See Song, Zou, Morris, Wang to start discussion.

  5. 4) (15 points) Describe the programmer’s model of the Intel 64. • From answers: • Morris has a very complete answer • Also see Reser for another view.

  6. 5) (15 points) Explain Segment Registers on the Intel 64. • What are segments? What are segment registers good for? What improvements result from this implementation? What is the base concept? • Answers: See Morris, Reser (compact presentation), Song has a nice understandable view.

  7. 6) (15 points) Explain the addressing modes in the Intel 64. • Is there one mode? Does the mode depend on the operating mode/environment? • Answers: • Reference Wang, Morris, Zou, Shi,

  8. 7) (5 points) What is the maximum size for a stack in the Intel 64? • This was a very simple answer that has little room for much expansion. • Morris is one that has some expansion of the answer.

  9. 8) (5 points) What type conversion instructions are available? • Type conversion? How does it help execution? • Answers: • See Morris, Shi, Wang, Wu

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