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Analyzing and Porting of U-boot Based on ARM9

LI Jing-tao

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Abstract

Described the function of Bootloader in embedded system,for the most widely used Bootloader——U-boot,we ported it on ARM9 Microprocessor S3C2440.Analyzed the source code and start up process of U-boot,introduced the hardware configuration about the porting of U-boot,particularly explained the porting method,porting process and main porting feature of U-boot.In the end,we get the results in the test experiments.Currently,the U-boot could achieve to the designed functions and runs steadily,establishing required foundation for farther porting Linux OS.

About this research paper

What this paper is about

Described the function of Bootloader in embedded system,for the most widely used Bootloader——U-boot,we ported it on ARM9 Microprocessor S3C2440.Analyzed the source code and start up process of U-boot,introduced the hardware configuration about the porting of U-boot,particularly explained the porting method,porting process and main porting feature of U-boot.In the end,we get the results in the test experiments.Currently,the U-boot could achieve to the designed functions and runs steadily,establishing required foundation for farther porting Linux OS.

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Available abstract

Described the function of Bootloader in embedded system,for the most widely used Bootloader——U-boot,we ported it on ARM9 Microprocessor S3C2440.Analyzed the source code and start up process of U-boot,introduced the hardware configuration about the porting of U-boot,particularly explained the porting method,porting process and main porting feature of U-boot.In the end,we get the results in the test experiments.Currently,the U-boot could achieve to the designed functions and runs steadily,establishing required foundation for farther porting Linux OS.

Key concepts: Porting, Booting, ARM9, Operating system, Computer science, Embedded system, Process (computing), Microprocessor

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