(11) Experiment 11: MMU It is beyond my competence to summarize or explain MMU in theory. I will only explain MMU in order to understand the code for operating MMU in this experiment. Now I will briefly describe the relationship between virtual address (VA), transformed virtual address (MVA), and physical address (PA): After starting MMU, the CPU core of S3C2410 only sees and uses virtual address VA. As for how VA is finally implemented on physical address PA, the CPU does not care. Caches and MMU cannot see VA either. They use MVA obtained from VA transformation to perform subsequent operations - converting it into PA to read/write actual memory chips.
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