Risc processor apparatus and method for supporting x86...

G - Physics – 06 – F

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G06F 9/30 (2006.01) G06F 9/318 (2006.01) G06F 9/455 (2006.01)

Patent

CA 2718724

A RISC processor apparatus and method for supporting X86 virtual machine. The RISC processor includes an instruction module for storing a virtual machine instruction set that supports X86 virtual machine; a decoder for distinguishing the virtual machine instruction set mode of the instruction during the decoding of an instruction of the virtual machine instruction set, and decoding the instruction, then outputting to a fixed-point operation element or a floating-point operation element according to the distinguished virtual machine instruction set mode; the fixed-point operation element for processing the fixed-point instruction of the virtual machine instruction set according to the output of the decoder and outputting the result of the processing; the floating-point operation element for processing the floating-point instruction of the virtual machine instruction set according to the output of the decoder and outputting the processing result.

L'invention porte sur un appareil et un procédé de processeur RISC pour supporter une machine virtuelle X86. Le processeur RISC comprend un module d'instructions pour stocker un jeu d'instructions de machine virtuelle qui supporte une machine virtuelle X86; un décodeur pour distinguer le mode jeu d'instructions de machine virtuelle de l'instruction durant le décodage d'une instruction du jeu d'instructions de machine virtuelle, et décoder l'instruction, puis l'envoyer à un élément d'opération en virgule fixe ou un élément d'opération en virgule flottante conformément au mode jeu d'instructions de machine virtuelle distingué; l'élément d'opération en virgule fixe pour traiter l'instruction en virgule fixe du jeu d'instructions de machine virtuelle selon la sortie du décodeur et délivrer le résultat du traitement; l'élément d'opération en virgule flottante pour traiter l'instruction en virgule flottante du jeu d'instructions de machine virtuelle conformément à la sortie du décodeur et délivrer le résultat de traitement.

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