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:
Aug. 16, 1994
Filed:
Jun. 16, 1993
Applicant:
Inventors:
Jefferson J Connell, Cupertino, CA (US);
Vernon R Johnson, Sunnyvale, CA (US);
Peter H Lipman, Cupertino, CA (US);
Robert M Maier, San Jose, CA (US);
Assignee:
Amdahl Corporation, Sunnyvale, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F / ;
U.S. Cl.
CPC ...
395650 ; 364D / ; 364247 ; 3642808 ; 364242 ; 3642615 ;
Abstract
A computer system having a chief system control program running in a real machine as a host where the host controls standard system control programs (SCP's) and controls virtual machines (Domains) called guests. Guests operate with interpretive execution as second-level guests. Control is transferred from a second-level guest to the guest SCP or to the chief SCP with only one control interception. Control is transferred directly between the second-level guest and the Chief SCP bypassing the first-level guest.