Dynamic address translation with frame management

Details Dynamic address translation with frame management Dynamic address translation with frame management

G - Physics

06

F

G06F 12/14 (2006.01) G06F 12/10 (2006.01)

Patent

CA 2701086

What is disclosed is a set key and clear frame management function defined for a machine architecture of a computer system. In one embodiment, a machine instruction is obtained which identifies a first and second general register. Obtained from the first general register is a frame size field indicating whether a storage frame is one of a small block or a large block of data. Obtained from the second general register is an operand address of a storage frame upon which the instruction is to be performed. If the storage frame is a small block, the instruction is performed only on the small block. If the indicated storage frame is a large block of data, an operand address of an initial first block of data within the large block of data is obtained from the second general register. The frame management instruction is performed on all blocks starting from the initial first block.

L'invention concerne une fonction de gestion de clé définie et de trame claire conçue pour une architecture machine d'un système informatique. Dans un mode de réalisation, une instruction machine est obtenue, qui identifie un premier et un second registre général. Un champ "taille de la trame", obtenu du premier registre général, indique si une trame de stockage est une trame à petits blocs de données ou une trame à grands blocs de données. Une adresse d'opérande est obtenue du second registre général d'une trame de stockage sur laquelle doit porter l'exécution de l'instruction. Si la trame de stockage comporte un petit bloc de données, l'instruction n'est exécutée que sur ce petit bloc. Si la trame de stockage indiquée comporte un grand bloc de données, une adresse d'opérande d'un premier bloc de données initial inclus dans le grand bloc de données est obtenue du second registre général. L'instruction de gestion de la trame est exécutée sur tous les blocs, à partir du premier bloc initial.

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