Method for operating a portable data carrier configured for...

G - Physics – 06 – F

Patent

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G06F 9/445 (2006.01) G07F 7/10 (2006.01)

Patent

CA 2378406

A method is proposed for operating a portable data carrier designed for executing reloadable function programs. According to the method the data carrier initially has installed thereon a loader interface which allows the reloading of load applications which in turn permit the loading of function programs. Each load application has allotted thereto an invariable assigned address space. To support the management of an assigned address space, badges are produced for application programs to be reloaded, said badges containing information about the size of the memory space required for the application program. Address space in the memory device is allotted to application programs to be reloaded in accordance with the size information provided on the badges. A data carrier suitable for carrying out said method is further disclosed.

L'invention concerne un procédé pour faire fonctionner un support de données portable, conçu pour exécuter des programmes fonctionnels rechargeables. Ce procédé consiste tout d'abord à installer une interface de chargement qui permet le rechargement d'applications de chargement permettant quant à elles le chargement de programmes fonctionnels. Une zone d'adresse disponible ne pouvant pas être modifiée est attribuée à chaque application de chargement. Pour faciliter la gestion d'une zone d'adresse disponible attribuée, des identifications sont produites pour les programmes d'application à recharger, lesdites identifications contenant une information sur la taille de l'emplacement mémoire nécessaire au programme d'application. En fonction des informations de tailles contenues dans les identifications, une zone d'adresse est attribuée, dans la mémoire, aux programmes d'application à recharger. L'invention concerne en outre un support de données permettant la mise en oeuvre dudit procédé.

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