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WINCE system mirror image constructing method and system, and WINCE system mirror image

A system image and construction method technology, applied in the computer field, can solve the problems of large memory space occupation, difficult redundant backup of image files, slow startup, etc., to achieve the effect of small memory space occupation, easy redundant backup, and improved startup speed.

Active Publication Date: 2012-11-28
深圳市安普尔科技有限公司
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  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since the kernel part of the XIP image is relatively small in size, the loading time is short, but the real-time performance is poor, and the image file is not easy to be redundantly backed up.
The non-XIP image is composed of a single image file. Both the kernel part and the non-kernel part are in the same image file. Bootloader needs to load the entire image file into the memory before calling and executing it. It takes a long time to load, because it is a single file and completely It runs in the system memory, so it has good real-time performance and is easy for redundant backup, but it starts slowly and takes up a lot of memory space.

Method used

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  • WINCE system mirror image constructing method and system, and WINCE system mirror image
  • WINCE system mirror image constructing method and system, and WINCE system mirror image
  • WINCE system mirror image constructing method and system, and WINCE system mirror image

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Embodiment Construction

[0039] The method and system for constructing the WINCE system image and the WINCE system image will be described in detail below in conjunction with specific embodiments and accompanying drawings, so as to make it more clear.

[0040] like figure 1 Shown, in one embodiment, a kind of WINCE system image construction method comprises the following steps:

[0041] Step S10, build the nk.nb0 part of the WINCE system image according to the components required for system operation, and store nk.nb0 in the hidden space opened up by the Bootloader on the system storage device.

[0042] Specifically, the components required for system operation include a system kernel, an adaptation layer driver, and a file system. The adaptation layer driver is used to guide the system core image and initialize and manage hardware. It is a part of the BSP (board support package, board support package) driver. Among them, BSP is a layer between the motherboard hardware and the driver layer in the op...

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Abstract

The invention relates to a WINCE system mirror image constructing method and system, and a WINCE system mirror image. The WINCE system mirror image constructing method comprises the following steps: constructing the nk.nb0 portion of the WINCE system mirror image according to components required for system operation, and storing the nk.nb0 in a hidden space developed by the Bootloader on a system storage device; and constructing the windows.sbi portion of the WINCE system mirror image containing drive and service components except components required in system operation, and releasing the windows.sbi portion to the specified directory of a readable-writable storage device. According to the WINCE system mirror image constructing method and system and the WINCE system mirror image, the nk.nb0 portion and the windows.sbi portion of the WINCE system mirror image are respectively constructed, and the constructed windows.sbi portion is released to the specified directory of the readable-writable storage device, and when the system is started, the nk.nb0 portion is firstly uploaded by the Bootloader, so that the starting speed is enhanced, a small memory space is occupied, the timeliness of the system is ensured, and redundancy backup can be easily implemented.

Description

technical field [0001] The invention relates to the technical field of computers, in particular to a WINCE system image construction method and system, and a WINCE system image. Background technique [0002] Windows Embedded CE (that is, WINCE) system images are divided into two types: XIP (execute inplace, in-chip execution) images and non-XIP images. Among them, the XIP image includes two parts, namely the XIPKernel (kernel) part and the non-Kernel part. The XIP KERNEL is the core part of CE. This part is loaded into the system memory by the Bootloader to run, and the non-kernel part runs directly on the storage device. Since the kernel part of the XIP image is relatively small in size, the loading time is short, but the real-time performance is poor, and the image file is not easy to be redundantly backed up. The non-XIP image is composed of a single image file. Both the kernel part and the non-kernel part are in the same image file. Bootloader needs to load the entire i...

Claims

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Application Information

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IPC IPC(8): G06F9/445G06F12/08
Inventor 杨小平杨成
Owner 深圳市安普尔科技有限公司
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