2007•Computer Engineering and Applications JournalRequires access

Design of bootloader based-on different flash-ROM

Zhao Zhe-feng

Abstract

Embedded microprocessor inner resources are more and more complicated so that the resourceful embedded systems development platform does not work efficiently without the management of operating system.How to develop BootLoader on the basis of the specific hardware platform is a key point and difficulty without question.The main similarities and differences of NAND Flash are compared with that of NOR Flash.The concept,function and implement analysis of embedded operating system booting program—Bootloader are introduced at different firmware-class storage device.Taking loading ARM-Linux operation system kernel as an example,software designing methods with two kinds of Flash-ROM——NAND and NOR Flash are expatiated in TI TMS320DM6446-based Embedded Development Platform

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Key concepts: Booting, Firmware, Computer science, Flash (photography), Embedded system, Operating system, Flash memory emulator, NAND gate