16.3 Virtual Address Translation
Translated virtual addresses retrieve data in blocks, which are called pages. In the R10000 processor, the size of each page may be selected from a range that runs from 4 Kbytes to 16 Mbytes inclusive, in power of 4 (that is, 4 Kbytes, 16 Kbytes, 64 Kbytes, etc.). (See page 304 in Errata.)
The virtual address bits which select a page (and thus are translated) are called the page address. The lower bits which select a byte within the selected page are called the offset and are not translated. The number of offset bits varies from 12 to 24 bits, depending on the page size.
Copyright 1995, MIPS Technologies, Inc. -- 29 JAN 96
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