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. 07, 2014
Filed:
Sep. 14, 2012
Dong Chen, Yorktown Heights, NY (US);
Alan Gara, Yorktown Heights, NY (US);
Mark E. Giampapa, Yorktown Heights, NY (US);
Philip Heidelberger, Yorktown Heights, NY (US);
Jon K. Kriegel, Rochester, MN (US);
Martin Ohmacht, Yorktown Heights, NY (US);
Burkhard Steinmacher-burow, Boeblingen, DE;
Dong Chen, Yorktown Heights, NY (US);
Alan Gara, Yorktown Heights, NY (US);
Mark E. Giampapa, Yorktown Heights, NY (US);
Philip Heidelberger, Yorktown Heights, NY (US);
Jon K. Kriegel, Rochester, MN (US);
Martin Ohmacht, Yorktown Heights, NY (US);
Burkhard Steinmacher-Burow, Boeblingen, DE;
International Business Machines Corporation, Armonk, NY (US);
Abstract
A system and method for accessing memory are provided. The system comprises a lookup buffer for storing one or more page table entries, wherein each of the one or more page table entries comprises at least a virtual page number and a physical page number; a logic circuit for receiving a virtual address from said processor, said logic circuit for matching the virtual address to the virtual page number in one of the page table entries to select the physical page number in the same page table entry, said page table entry having one or more bits set to exclude a memory range from a page.