Podcast
Questions and Answers
The hardware uses the top two bits of the virtual address to determine the ______ register to use
The hardware uses the top two bits of the virtual address to determine the ______ register to use
segment
The bottom 12 bits of the virtual address serve as the ______ into the segment
The bottom 12 bits of the virtual address serve as the ______ into the segment
offset
By adding the base register to the offset, the hardware calculates the final ______ address
By adding the base register to the offset, the hardware calculates the final ______ address
physical
If the offset is greater than or equal to the bounds of the segment, a ______ fault is raised
If the offset is greater than or equal to the bounds of the segment, a ______ fault is raised
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The SEG_MASK value would be set to ______
The SEG_MASK value would be set to ______
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The OFFSET_MASK value would be set to ______
The OFFSET_MASK value would be set to ______
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What is the highest legal virtual address in segment 0?
What is the highest legal virtual address in segment 0?
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What about the lowest legal virtual address in segment 1?
What about the lowest legal virtual address in segment 1?
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What are the lowest and highest illegal addresses in this entire address space?
What are the lowest and highest illegal addresses in this entire address space?
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Finally, how would you run segmentation.py with the -A flag to test if you are right?
Finally, how would you run segmentation.py with the -A flag to test if you are right?
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What base and bounds would you set up so as to get the simulator to generate the following translation results for the specified address stream: valid, valid, violation,..., violation, valid, valid?
What base and bounds would you set up so as to get the simulator to generate the following translation results for the specified address stream: valid, valid, violation,..., violation, valid, valid?
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How should you configure the simulator to generate roughly 90% of valid virtual addresses?
How should you configure the simulator to generate roughly 90% of valid virtual addresses?
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The hardware uses segment registers during ______.
The hardware uses segment registers during ______.
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One common approach is to chop up the address space into segments based on the top few bits of the virtual ______.
One common approach is to chop up the address space into segments based on the top few bits of the virtual ______.
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If we use the top two bits of our 14-bit virtual address to select the segment, our virtual address looks like this: 13 12 11 10 9 ______.
If we use the top two bits of our 14-bit virtual address to select the segment, our virtual address looks like this: 13 12 11 10 9 ______.
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If the top two bits are 00, the hardware knows the virtual address is in the ______ segment.
If the top two bits are 00, the hardware knows the virtual address is in the ______ segment.
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If the top two bits are 01, the hardware knows the address is in the ______.
If the top two bits are 01, the hardware knows the address is in the ______.
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The hardware knows the address is in the heap, and thus uses the heap base and ______.
The hardware knows the address is in the heap, and thus uses the heap base and ______.
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