8. Opteron Page Tables
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The Opteron uses 48-bit virtual addresses and 40-bit physical addresses.
The upper 16 bits of the virtual address are just the sign extension of the lower 48 bits.
(from Hennessy & Patterson)
The Opteron uses 48-bit virtual addresses and 40-bit physical addresses.
The upper 16 bits of the virtual address are just the sign extension of the lower 48 bits.
(from Hennessy & Patterson)