loongson2f 64位内核编译

本文档详细介绍了如何为龙芯平台配置并编译Linux内核,包括添加软件源、安装编译工具、下载及配置内核源码等步骤,并解决了一些常见的编译错误。

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在文件/etc/apt/sources.list 添加源
http://dev.lemote.com/debian lenny main contrib non­free
http://dev.lemote.com/debian­loongson loongson main
安装编译工具:
apt­get install gcc

 

下载内核源码
git clone git://dev.lemote.com/linux_loongson.git  #将 git 仓库克隆下来
git checkout origin/linux­2.6.27.1­lemote –b linux­2.6.27.1­lemote  #使用 2.6.27.1 分支源码

 

使用默认配置编译
cp arch/mips/configs/ls2f_notebook_config .config  #使用 yeeloong 的默认配置
cp arch/mips/configs/ls2f_fuloong_defconfig .config  #如果为 fuloong2f 编译内核请使用这个配

置。


读入.config中的配置信息,生成以下的界面,可以手动的对kernel进行裁剪。例如可以选择把某个选项是编译进kernel,还是编译成模块的形式,也可以裁剪掉该选项等。
make CROSS_COMPILE=/home/liuqi/toolchain/gcc-cross-4.4/install/bin/mips64el-linux- (编译器路径)

交叉编译器下载地址:gcc编译器下载地址:http://www.loongson.cn/dev/ftp/toolchain/gcc/gcc4.4forKernel.tgz

在编译的过程中出错,第一个就是unrecognized option '-mfix-loongson2f-nop'

这个bug loongson已经解决了,用http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=5636919b5c909fee54a6ef5226475ecae012ad02

地址处的5个文件替换原目录中文件


之后出现,undefined 的符号,修改delay.h , 在最后添加 #ifdef __SMP__
#define __udelay_val cpu_data[smp_processor_id()].udelay_val
#else
#define __udelay_val loops_per_sec
#endif


之后出现undefined symbol "loops_per_sec",在delay.h开头定义 unsigned long loops_per_sec

之后编译成功


make modules_install
执行该命令会把编译的模块安装到/usr/lib/modules/,由于我们是在x86服务器上交叉编译龙芯的kernel源码,所以不要执行该命令。可以创建一个目录,然后执行下面命令,就可以把编译的模块安装到自己指定的目录。
mkdir ~/mymodules
make modules_install INSTALL_MOD_PATH=~/mymodules



第一章概述.......................................................................................................................................4 1.1 硬件配置...............................................................................................................................5 1.2 系统框图...............................................................................................................................6 1.3 软件系统...............................................................................................................................6 1.4 附件.......................................................................................................................................6 第二章 开发板快速使用指南............................................................................................................7 2.1 开发板布局图........................................................................................................................7 2.2 开发板后面板视图................................................................................................................8 2.3 开发板连接器管脚信号定义................................................................................................8 2.3.1 VGA ..............................................................................................................................8 2.3.2 串行接口.......................................................................................................................8 2.3.3 USB 接口......................................................................................................................9 2.3.4 PS/2 鼠标键盘接口......................................................................................................9 2.3.5 音频接口......................................................................................................................9 2.3.6 网口............................................................................................................................10 2.3.7 并行接口.................................................................................................................... 11 2.3.8 F_PANEL.................................................................................................................... 11 2.3.9 SATA 接口.................................................................................................................. 11 2.3.10 IDE 插槽...................................................................................................................12 2.3.11 ATX 电源..................................................................................................................12 2.4 开发板使用所需要的设备..................................................................................................12 2.5 开发板的使用步骤..............................................................................................................13 2.6 参考板串口的使用..............................................................................................................17 2.6.1 Windows 下设置超级终端.........................................................................................17 2.6.2 Linux 下minicom 设置..............................................................................................19 第三章 硬件.....................................................................................................................................21 3.1 主要IC 简介........................................................................................................................21 3.2 各硬件模块简介..................................................................................................................21 3.2.1 系统电源....................................................................................................................21 3.2.2 系统复....................................................................................................................21 3.2.3 时钟模块&看门狗.....................................................................................................22 3.2.4 RTC............................................................................................................................22 3.2.5 BIOS ...........................................................................................................................22 3.2.6 内存接口....................................................................................................................22 3.2.7 以太网接口................................................................................................................22 3.2.8 显示模块....................................................................................................................22 3.2.9 音频系统....................................................................................................................22 3.2.10 USB2.0......................................................................................................................23 3.2.11 串口..........................................................................................................................23 3.3 资源分配.......................................................................................................................23 第四章 软件.....................................................................................................................................24 4.1 PMON 简介及使用..............................................................................................................24 4.1.1 PMON 简介................................................................................................................24 4.1.2 PMON 的使用............................................................................................................24 4.1.3 PMON 环境搭建和编译............................................................................................26 4.2 内核简介及其文件系统......................................................................................................27 4.2.1 内核简介....................................................................................................................27 4.2.2 内核编绎....................................................................................................................27 4.2.3 文件系统.....................................................................................................................28 附录Ⅰ 参考板常用应用软件配置..................................................................................................30
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