System for selectively enabling operating modes of a device

Details System for selectively enabling operating modes of a device System for selectively enabling operating modes of a device

G - Physics

06

F

G06F 9/445 (2006.01)

Patent

CA 2543588

System for selectively enabling operating modes of a device. The system includes a method for selectively enabling operating modes of a device during a device initialization, wherein the operating modes comprise a privileged mode and a non-privileged mode. The method includes determining during the device initialization whether the device is to operate in the privileged mode or in both the privileged and non-privileged modes, and enabling the privileged mode if it is determined that the device is to operate only in the privileged mode. The method also includes enabling both the privileged and the non-privileged modes if it is determined that the device is to operate in both the privileged and the non-privileged modes.

L'invention concerne un système permettant d'activer sélectivement des modes de fonctionnement d'un dispositif. Ledit système comporte un procédé servant à activer sélectivement des modes de fonctionnement d'un dispositif, pendant une initialisation du dispositif, lesdits modes de fonctionnement comportant un mode privilégié et un mode non privilégié. Ce procédé consiste à déterminer pendant l'initialisation du dispositif si le dispositif peut fonctionner en mode privilégié ou à la fois en mode privilégié et en mode non privilégié, et à activer le mode privilégié s'il a été déterminé que le dispositif peut fonctionner uniquement en mode privilégié. Ledit procédé consiste aussi à activer les modes privilégié et non privilégié, s'il a été déterminé que le dispositif peut fonctionner à la fois en modes privilégié et non privilégié.

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