Speicherschützschaltung, Verarbeitungseinheit, und Speicherschutzverfahren

Details

Veröffentlichungs-Nr.

EP2660752

Aktenzeichen

EP13164879

Anmeldetag

23. April 2013

Veröffentlichung

26. September 2018

Erteilung

26. September 2018

Rechtsraum

EP

IPC

G06F21/78G06F12/14G06F12/02G06F9/30G06F9/50

Abstract

A memory protection circuit 6_1 according to one embodiment includes a memory access information register 8 that stores memory access information related to memory areas which can be accessed by respective virtual machines, and an access determination circuit 9 that determines whether to allow the virtual machines to access the memory areas based on a memory address ADD_M when each of the virtual machines accesses a memory 11, information VM_n_M related to the virtual machines that access the memory 11, and the memory access information stored in the memory access information register 8.

Anmelder

Firma

Renesas Electronics Corporation

Land

🇯🇵 Japan

Fachgebiete