Risc processor and its register flag bit processing method

G - Physics – 06 – F

Patent

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Details

G06F 15/78 (2006.01) G06F 9/30 (2006.01)

Patent

CA 2709753

The present invention discloses a RISC processor and a method of processing flag bits of a register in the RISC processor. Said RISC processor comprises a physical register stack, an operating component connected to the physical register stack and an decoder connected to the operating component; the physical register stack comprises an emulation flag register for emulating to realize flag bits of a flag register in a CISC processor; the operating component comprises a flag read-write module for reading and writing the values of the flag bits of the emulation flag register. The operating component further comprises an operating controller for performing an operation control according to the values of the flag bits of the emulation flag register when the RISC processor is in the working mode of X86 virtual machine during an operation process.

L'invention concerne un processeur RISC et un procédé de traitement de bit indicateur de registre associé. Le processeur inclut une pile de registre physique, un composant de fonctionnement connecté à la pile de registre physique et un décodeur connecté au composant de fonctionnement. La pile de registre physique inclut un registre d'indicateur de simulation destiné à simuler la mise en uvre d'un bit indicateur pour un registre d'indicateur d'un processeur CISC. Le composant de fonctionnement inclut un module de lecture-écriture d'indicateur destiné à lire et à écrire la valeur du bit indicateur du registre d'indicateur de simulation. Le composant de fonctionnement inclut également un système de commande de fonctionnement. Dans le procédé de fonctionnement, le système de commande de fonctionnement est utilisé pour commander le fonctionnement selon la valeur du bit indicateur du registre d'indicateur de simulation, lorsque le processeur RISC est dans le mode de travail de machine virtuelle X86.

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