The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 30, 2012
Filed:
Feb. 12, 2008
Hua Yong Wang, Beijing, CN;
Kun Wang, Beijing, CN;
Honesty Young, Saratoga, CA (US);
International Business Machines Corporation, Armonk, NY (US);
Abstract
A method for performing rapid memory management unit emulation of a computer program in a computer system, wherein address injection space of predefined size is allocated in the computer system and a virtual page number and a corresponding physical page number are stored in said address injection space, said method comprising steps of: comparing the virtual page number of the virtual address of a load/store instruction in a code segment in said computer program with the virtual address page number stored in said address injection space; if the two virtual page numbers are the same, then obtaining the corresponding physical address according to the physical page number stored in said address injection space; otherwise, performing address translation lookaside buffer search, that is, TLB search to obtain the corresponding physical address; and reading/writing data from/to said obtained corresponding physical address. The present invention also provides an apparatus and computer program product for implementing the method described above.