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Processor including mapping access interface

A technology for accessing interfaces and processors, applied in the field of communication, can solve the problems of high power consumption of processors and low work efficiency, and achieve the effect of improving work efficiency and reducing power consumption

Active Publication Date: 2017-08-29
C SKY MICROSYST CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] In the process of realizing the present invention, the inventors found that there are at least the following technical problems in the prior art: the processor reads resources in other modes by constantly switching modes, which results in low work efficiency and high power consumption of the processor

Method used

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  • Processor including mapping access interface
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  • Processor including mapping access interface

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Embodiment Construction

[0024] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is only some embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0025] The present invention provides a processor including a mapped access interface, such as figure 1 As shown, the processor includes:

[0026] Instruction execution unit 11, first mode resource storage unit 12, second mode resource storage unit 13 and mapping access interface 14, wherein,

[0027] The instruction execution unit 11 is co...

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Abstract

The invention provides a processor including a mapping access interface. The processor comprises an instruction execution unit, a first mode resource storage unit, a second mode resource storage unit and a mapping access interface, wherein the instruction execution unit is connected with the first mode resource storage unit, the second mode resource storage unit and the mapping access interface, the first mode resource storage unit is used for storing resource information in a first mode of the processor, the second mode resource storage unit is used for storing resource information in a second mode of the processor, and the mapping access interface is connected with the second mode resource storage unit. The working efficiency of the processor can be improved, and the power consumption of the processor is reduced.

Description

technical field [0001] The invention relates to the field of communication technology, in particular to a processor including a mapping access interface. Background technique [0002] With the continuous development of informatization, the reliability of the system becomes more and more important, and the traditional software-based reliability protection is getting lower and lower, because hackers can directly attack the operating system by bypassing the software protection and then directly attack the sensitive system. Therefore, in order to make up for the lack of credibility protection at the software level, a trusted architecture is proposed, which aims to provide the system with an underlying hardware protection mechanism other than software. [0003] The specific idea of ​​the trusted architecture design is: add a trusted mode to the operating mode of the processor, and abstract a trusted kernel in the system, and integrate the processor in the trusted mode, the truste...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F21/62G06F21/60
CPCG06F21/604G06F21/6218G06F21/74
Inventor 李春强
Owner C SKY MICROSYST CO LTD
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