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. 21, 2007
Filed:
Dec. 29, 2004
Sanjay Gupta, Noida, IN;
Vipul Kulshrestha, Noida, IN;
Yogesh Badaya, Noida, IN;
Suresh Krishnamurthy, Noida, IN;
Kingshuk Banerjee, Noida, IN;
Sanjay Gupta, Noida, IN;
Vipul Kulshrestha, Noida, IN;
Yogesh Badaya, Noida, IN;
Suresh Krishnamurthy, Noida, IN;
Kingshuk Banerjee, Noida, IN;
Mentor Graphics Corporation, Wilsonville, OR (US);
Abstract
A system is described for managing interaction between an untimed HAL portion and a timed HDL portion of the testbench, wherein the timed portion is embodied on an emulator and the un-timed portion executes on a workstation. Repeatability of verification results may be achieved even though the HAL portion and the HDL portion run in parallel with each other. A communication interface is also described for synchronizing and passing data between multiple HDL threads on the emulator domain and simultaneously-running multiple HAL threads on the workstation domain. In addition, a remote procedural-call-based communication link, transparent to the user, is generated between the workstation and the emulator. A technique provides for repeatability for blocking and non-blocking procedure calls. FSMs and synchronization logic are automatically inferred to implement remote procedural calls. A subset of behavioral language is identified that combines the power of conventional modeling paradigms with RTL performance.