For further information about PowerPC 64 bit processor, see PowerPC
The following describes the four address types used in System p systems. They are effective, virtual, physical, and block:
•Effective address: The effective address, also called the logical address, is a
Figure 5-39: Effective address
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•Virtual address: The virtual address, which is equivalent to the linear address of System x, is a
Figure 5-40: Virtual address
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•Physical address: The physical address is a
•Block address: A block is a collection of contiguous effective addresses that map to contiguous physical addresses. Block sizes vary from 128 KB to 256 MB. The block address is the effective address of a block.
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