基于U_Boot的Linux內核映像加載與引導功能實現

20 10 8 ( ) Aug . 2010

10 4 Journal of Langfang T eachers College( N aturnal Science Edition) V ol. 10 No. 4

UBoot Linux

周德榮, 夏 齡

( , 62600 1)

從UBoo t 工作原理入手, 分析了UBoot 實現linux 內核映像加載與引導功能要求, 以目標平臺T Q 2440

為 , 在UBoot 中以自定義命令方式, 實現了帶多參數基于T FT P 協議的L inux 內核映像加載與引導功能實驗

證明此方法切實可行, 對嵌入式內核及驅動的開發與調試有 一定輔助作用

UBoot ; 內核映像; T FT P; 標記列表

Implementation of the Linux Kernel Image

Loading and Booti ng Functi on Based on UBoot

ZH O U Derong , X ia L ing

Abstract ntroduction of the principle of UBoo t, analyzes the r ealization of linux kernel image loading and booting

functional r equirements based on UBoot , to the targ et platfor m T Q2440, in the UBoot in order to custo mize the w ay,

implemented w ith a multi parameter based T FT P protocol T he L inux kernel imag e loading and boot function. Exper imen

tal results show this method is feasible for embedded kernel and driver dev elopment and debugging.

Key words UBoot; ernel image; T FT P; tagg ed list

!?T P311 !?A !?1674- 3229( 20 10) 04- 0033- 03

Bootloader

Uboot , UBoot

, Bootloader , st art . Slow - level- init . Sboard. c main. c

, st art . S , UBoot

, , ;

low - level- init . S ; board. c

T Q440 , UBoot ; m ain. c

T FT P Linux , UBoot

2

1 UBoot

UBoot Bootloader ,

UBoot St age 1 St age2 , : ( 1)

St age 1, , UBoot

, , Stage1

總結

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