Multi-system equipment start system and method thereof

A startup system and multi-system technology, applied in the computer field, can solve problems such as data detection errors, unspecified backups, partition system errors, etc., to achieve the effects of improving stability, saving startup time, and ensuring stability

Inactive Publication Date: 2014-03-26
HANGZHOU HIKVISION DIGITAL TECH
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Problems solved by technology

[0009] 3. How to copy the full copy during backup is not explained in this invention. If it is only the data copy of the physical layer, it will cause the following problems: if figure 1 As shown, if there is a bad block in the system partition 0, the data on the bad block will cause the system error of the partition to be detected, so if the data of partition 1 is directly copied over and overwrites the partition 0, it will be copied to the bad block The data will still cause an error to be detected, and the backup will never be successful

Method used

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  • Multi-system equipment start system and method thereof
  • Multi-system equipment start system and method thereof
  • Multi-system equipment start system and method thereof

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[0036] In the following description, many technical details are proposed in order to enable readers to better understand the application. However, those skilled in the art can understand that without these technical details and various changes and modifications based on the following implementation modes, the technical solution claimed in each claim of the present application can be realized.

[0037] In order to make the purpose, technical solution and advantages of the present invention clearer, the following will further describe the implementation of the present invention in detail in conjunction with the accompanying drawings.

[0038] The first embodiment of the present invention relates to a multi-system device startup system. figure 2 It is a schematic structural diagram of the multi-system device startup system. The multi-system device boot system includes:

[0039] The first memory is used for storing the boot loader. It can be understood that the bootloader can ...

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Abstract

The invention relates to the field of computers, and discloses a multi-system equipment start system and a method thereof. The multi-system equipment start system comprises a first memorizer and a second memorizer, wherein the first memorizer adopts an SPI flash memory and is used for storing a boot loader, an NAND flash memory is adopted in the second memorizer, and the second memorizer comprises at least two partitions used for storing the same system files. Starting of multi-system equipment is achieved in the mode that the SPI flash memory is adopted for storing the boot loader and the system files are stored through the NAND flash memory, so that production cost is reduced and system stability is guaranteed. Starting is achieved from the first partition, if the first partition is normally started, loading is carried out, the second partition is not detected, the second partition is skipped and started only when the first partition is faulty, a kernel is used in the detection process, and system start time is saved.

Description

technical field [0001] The invention relates to the field of computers, in particular to the multi-system equipment startup technology. Background technique [0002] Flash memory is a non-volatile memory, even if the power is cut off, the data will not be lost, so the system files of embedded devices are usually stored in flash memory. [0003] Most of the current embedded devices have their system files stored on NOR flash memory. This type of flash memory is characterized by on-chip execution, so that the application program can run directly in the flash memory without having to read the code into the system random access memory (Random Access Memory, referred to as "RAM"), and its transmission efficiency is very high. It is very cost-effective for small capacity below 4M bytes, but its writing and erasing speed is very low, which greatly affects its performance, and it does not have a cost advantage for large capacity. The Serial Peripheral Interface (SPI) flash memory ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F11/14
Inventor 赵伟博申川
Owner HANGZHOU HIKVISION DIGITAL TECH
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