基于tiny4412的Linux内核移植 ---- 調試方法-EEWORLD

Collect

平臺

Linux-4.4.4

uboot使用的是友善自帶的（爲了支持uImage和設備樹做了稍許修改）

Overview

這篇博客主要用於匯總一下調試方法。

text

1. dnw下載

目前我將uboot燒寫到SD卡中，然後使用dnw將kernel、根文件系統以及設備樹鏡像下載到內存中，爲了提高效率，可以使用下面的方法：

在uboot中添加環境變量：

setenv dnw_up 'dnw 0x40600000; dnw 0x41000000; dnw 0x42000000; bootm 0x40600000 0x41000000 0x42000000'

進入uboot終端後，執行如下命令：

run dnw_up

然後可以看到如下log：

此時將PC上下載鏡像的命令也弄成腳本：

#!/bin/bash

if [ -e /home/pengdonglin/tiny4412/SysPort/linux-4.4_tiny4412/arch/arm/boot/uImage ];then

sudo dnw /home/pengdonglin/tiny4412/SysPort/linux-4.4_tiny4412/arch/arm/boot/uImage

else

echo "uImage not exist"

exit -1

sleep 1

if [ -e /home/pengdonglin/tiny4412/SysPort/rootfs/ramdisk.img ];then

sudo dnw /home/pengdonglin/tiny4412/SysPort/rootfs/ramdisk.img

else

echo "ramdisk.img not exist"

exit -1

sleep 1

if [ -e /home/pengdonglin/tiny4412/SysPort/linux-4.4_tiny4412/arch/arm/boot/dts/exynos4412-tiny4412.dtb ];then

sudo dnw /home/pengdonglin/tiny4412/SysPort/linux-4.4_tiny4412/arch/arm/boot/dts/exynos4412-tiny4412.dtb

else

echo "dtb not exist."

exit -1

over.

Keywords：tiny4412 Linux 内核移植 Reference address：基于tiny4412的Linux内核移植 ---- 調試方法

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