Memory Management System
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United States of America Patent
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N/A
Issued Date -
Dec 6, 2007
app pub date -
Jul 15, 2005
filing date -
Jul 15, 2004
priority date (Note) -
Abandoned
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Abstract
A system and method for managing accesses to a memory are provided. A memory management unit (MMU) and a translation lookaside buffer (TLB) are used. The TLB stores addresses of pages which have been recently accessed. The MMU includes a virtual map of an MMU table which stores physical addresses of memory pages linked to logical addresses. A virtual map is stored in a linear address space and the MMU can update the addresses stored in the TLB in response to memory accesses made in the MMU table. The MMU table comprises at least first and second level table entries. The first level table entries store data for map logical addresses to the second level table entries. The second level table entries store data for map logical addresses to physical addresses in memory.
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