Memory Management in Pentium

Memory Management in Pentium

Memory Management in Pentium Harshad Kasture (01D07033) Saurabh Goyal (01D07035) MMU in Pentium

Logical to Physical Address Translation in Pentium Segmentation Segmentation Pentium Segmentation

Protection Levels in Pentium 13 1 2

(16 bit Selector) Protection Bits Pentium Paging

n be of 4 MB each. Directory entry directly point to a Page in Pentium General Memory Management Each segment can grow dynamically, so segments have to be

paged Segmentation with Paging: Another example ers from pure segmentation in that the segment-table entry tains not the base address of the segment, but rather the base address of a page table for this segmen

Linux on Pentium Systems Uses only 6 segments Uses 2 out of 4 modes of

protection Linear Address in Linux Middle directory = 0 bits when used in Pentium

References

Memory Systems and Pipelined Processors; Harvery G. Cragon; Narosa Publishing House Operating System Principles; Silberschatz, Galvin, Gagne; John Wiley and Sons http://www.cs.caltech.edu/courses/

cs24/slides/Day22_files/ References

www.everything2.com/index.pl? node_id=12670 http://www.internals.com/articles/ protmode/introduction.htm http://www.internals.com/articles/

protmode/protmode.htm Thank You!

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