基于tiny4412的Linux内核移植 ---- 調試方法
作者信息
彭東林
郵箱: pengdonglin137@163.com
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)
概述
這篇博客主要用於匯總一下調試方法。
正文
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:
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" alt="" />
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_tiny4412/arch/arm/boot/uImage ];then
sudo dnw /home/pengdonglin/tiny4412/SysPort/linux-.4_tiny4412/arch/arm/boot/uImage
else
echo "uImage not exist"
exit -
fi sleep 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 -
fi sleep if [ -e /home/pengdonglin/tiny4412/SysPort/linux-.4_tiny4412/arch/arm/boot/dts/exynos4412-tiny4412.dtb ];then
sudo dnw /home/pengdonglin/tiny4412/SysPort/linux-.4_tiny4412/arch/arm/boot/dts/exynos4412-tiny4412.dtb
else
echo "dtb not exist."
exit -
fi
2.
完。
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