Interruption processing unit, related devices, and interruption processing method

A technology of processing unit and storage unit, which is applied in the direction of multi-programming device, machine execution device, electrical digital data processing, etc., can solve the problems of poor real-time performance and long interrupt response time, so as to reduce storage time and improve real-time interrupt response , Reduce the effect of interrupt response time

Pending Publication Date: 2021-11-19
平头哥(杭州)半导体有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If the interrupt response time is too long and the real-time performance is poor, it is unacceptable

Method used

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  • Interruption processing unit, related devices, and interruption processing method
  • Interruption processing unit, related devices, and interruption processing method
  • Interruption processing unit, related devices, and interruption processing method

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Embodiment Construction

[0037]The present disclosure is described below based on examples, but the present disclosure is not limited only to these examples. In the following detailed description of the disclosure, some specific details are set forth in detail. The present disclosure can be fully understood by those skilled in the art without the description of these detailed parts. In order to avoid obscuring the essence of the present disclosure, well-known methods, procedures, and procedures are not described in detail. Additionally, the drawings are not necessarily drawn to scale.

[0038] The following terms are used in this document.

[0039] Interruption: It means that when the processing unit is running the main program, it receives an emergency event notification from the outside, inside of the processing unit or the running main program itself. When the processing unit responds to an interrupt, it generally receives an interrupt request from an interrupt source (external, internal, or the...

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Abstract

The invention provides an interruption processing unit, related devices, and an interruption processing method. The interruption processing unit comprises: a transceiving unit, which is used for receiving a first interrupt request; a decision-making unit, which is used for screening main program interruption point information stored in an interruption mode from the main program interruption point information according to the first interruption request; a read-write unit, which is used for writing the main program interruption point information stored in the interruption mode into a storage unit, and reading the main program interruption point information stored in the interruption mode from the storage unit after an instruction execution unit executes the first interruption request so as to enable the instruction execution unit continues to execute a main program, wherein the instruction execution unit is arranged outside the interruption processing unit. According to the embodiment of the invention, the interruption response time of processing units is shortened, and the interruption response real-time performance is improved.

Description

technical field [0001] The present disclosure relates to the field of chips, and in particular, to an interrupt processing unit, a related device and a method. Background technique [0002] Interruption means that when the processing unit is running the main program, it receives an emergency event notification from the outside, inside of the processing unit or the running main program itself. When the processing unit responds to an interrupt, it generally receives an interrupt request from an interrupt source (external, internal, or the main program itself), immediately suspends the operation of the main program, and automatically transfers to the corresponding processing program (interrupt service program) to be processed. After that, return to the original main program to run. In order to return to the original main program running, it can still have the same state as when the main program is suspended just after receiving the interrupt request, while suspending the main ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F9/48G06F9/30
CPCG06F9/4812G06F9/30123
Inventor 尚云海
Owner 平头哥(杭州)半导体有限公司
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