Title:
コンピュータ装置におけるコプロセッサ支援
Document Type and Number:
Japanese Patent JP2009506410
Kind Code:
A
Abstract:
Coprocessor support on a computing device is provided by means of external modules attaching themselves to the operating system (OS) kernel controlling the device at system boot time, with the modules registering themselves as valid coprocessor handlers. Threads initially execute with coprocessors disabled; the consequent exceptions caused by executing coprocessor instructions are then passed to the relevant registered handler. The technique can be used either to support installed coprocessors or to emulate absent coprocessors.
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Inventors:
May, Dennis
Application Number:
JP2008525628A
Publication Date:
February 12, 2009
Filing Date:
August 08, 2006
Export Citation:
Assignee:
SYMBIAN SOFTWARE LIMITED
International Classes:
G06F9/38; G06F9/30; G06F9/455; G06F9/46; G06F9/50
Attorney, Agent or Firm:
Yasunori Otsuka
Shiro Takayanagi
Yasuhiro Otsuka
Shuji Kimura
Osamu Shimoyama
Shiro Takayanagi
Yasuhiro Otsuka
Shuji Kimura
Osamu Shimoyama