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CPU produces a virtual address from the AG function. The lower 12b (4K pages) of the virtual address are the same as the real address. |
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24b real address (real memory size 16MB) |
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8B physical word |
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4KB cache |
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64B line |
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\ 64 line (4K/64) in cache |
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1. Translate VPN to RPN with TLB. |
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2. Access the cache directory, then the cache. |
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3. Access cache with addr from the directory index and offset 9b bits. |
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4. If compare valid, enable data to go to processor. |
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