Exception handling device and DDR storage system

An exception handling and storage system technology, applied in the computer field, can solve problems such as system hangs

Pending Publication Date: 2021-05-25
SANECHIPS TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] This application provides an exception handling device and a DDR storage system, which can solve the problem of system hanging due to different reasons, and improve the stability and testability of the system

Method used

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  • Exception handling device and DDR storage system
  • Exception handling device and DDR storage system
  • Exception handling device and DDR storage system

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Embodiment Construction

[0012] Embodiments of the present application will be described in detail below with reference to the accompanying drawings.

[0013] The DDR storage system is a storage system that uses DDR SDRAM as a storage device. It has the characteristics of twice the data transmission speed of the system clock frequency and excellent transmission performance. In a system using DDR SDRAM as a storage device, if there is a problem with the communication between the upstream device and the DDR SDRAM or the controller of the DDR SDRAM itself, it will usually cause the system to hang (that is, be abnormal). In this case, the system is usually reset. However, for DDR storage systems, the memory usually contains important information that can be used for debugging (debugging). It is necessary for the upstream device to still access the DDR normally after handling the abnormal situation. SDRAM. In addition, if the DDR SDRAM itself is reset, it may take a long time to initialize the DDR SDRAM a...

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PUM

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Abstract

The invention discloses an exception handling device and a DDR storage system. The exception handling device comprises a monitoring module and a processing module, the monitoring module is used for monitoring the state of the storage device; when the storage device is abnormal, an exception handling request is generated, and the exception handling request is sent to the processing module; the processing module is used for receiving an exception handling request, and the exception handling request is sent by the monitoring module or sent by the storage device; and processing an exception occurring in the storage device according to the exception processing request.

Description

technical field [0001] The present application relates to the field of computers, for example, to an exception handling device and a DDR storage system. Background technique [0002] Double Data Rate (Double Data Rate, DDR) storage system is a storage system that uses Double Data Rate Synchronous Dynamic Random Access Memory (DDRSDRAM) as a storage device, and has a data transmission speed of the system clock Twice the frequency, excellent transmission performance. In a system that uses DDR SDRAM as a storage device, if there is a problem with the communication between the upstream device and the DDR SDRAM or the controller of the DDR SDRAM itself, it will usually cause the system to hang (that is, abnormal). key factor for stability. Contents of the invention [0003] The present application provides an exception processing device and a DDR storage system, which can solve the problem of system hanging caused by different reasons, and improve the stability and testabilit...

Claims

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Application Information

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IPC IPC(8): G06F11/07G06F11/30
CPCG06F11/0727G06F11/0793G06F11/3034
Inventor 于鹏
Owner SANECHIPS TECH CO LTD
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