Patent ID: 6266752
Filing Date: 2001-07-24
Classification: G06F

Abstract:
An apparatus comprising:a translation lookaside buffer (TLB) comprising a plurality of translation entries, each of said plurality of translation entries storing a virtual page number for which a translation has been cached by said TLB; anda buffer coupled to said TLB, said buffer having a plurality of entries, each of said plurality of entries corresponding to a respective one of said plurality of translation entries and configured to store a real page number corresponding to said virtual page number in said respective one of said plurality of translation entries, wherein said buffer is coupled to receive an input real page number, and wherein said buffer is configured to compare said input real page number to said real page numbers stored in each of said plurality of entries, and wherein, if a match is detected in a first entry of said plurality of entries, said buffer is configured to signal said TLB, and wherein said TLB is configured to output a first virtual page number from a first translation entry of said plurality of translation entries, said first translation entry corresponding to said first entry.