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1.安装ctags+cscope

2.下载vim插件 Source Explorer/NERD Tree/Tag List

     网址：www.vim.org    Scrips-->Bowse all -->在keyword中搜索上述三个插件并下载解压到~/.vim文件夹下

3.vim 配置

    打开vim配置文件，（ubuntu是在/etc/vim/vimrc中），在最后添加如下内容：

"------------------------------------------"
"vim env setting"
"------------------------------------------"
    set nu  "display line number"
    set ai  "auto indent"
    set ts=4    "tab size"
    set bg=dark "blackground color"
    filetype plugin on

"------------------------------------------"
"ctags database setting"
"------------------------------------------"
    set tags=/home/software/linux-3.8.3/tags     "ctags DB position 根据自己的文件路劲进行修改"


"------------------------------------------"
"ctags database setting"
"------------------------------------------"
    set csprg=/usr/bin/cscope    "cscope install position"
    set csto=0                   "cscope DB search first"
    set cst                      "cscope DB tag DB search"
    set nocsverb                 "verbose off"

    cs add /home/software/linux-3.8.3/cscope.out       /home/software/linux-3.8.3   "根据自己的文件路径进行修改"
    set csverb     

"------------------------------------------"
"Tap List env setting"
"------------------------------------------"
   filetype on
   nmap <F7> :TlistToggle<CR>
   let Tlist_Ctags_Cmd = "/usr/bin/ctags"
   let Tlist_Inc_Winwidth = 0
   let Tlist_Exit_OnlyWindow = 0

   let Tlist_Auto_Open = 0
   let Tlist_Use_Right_Window = 1

"------------------------------------------"
"Source explorer env setting"
"------------------------------------------"
    nmap <F8> :SrcExplToggle<CR>
    nmap <C-H> <C-W>h
    nmap <C-J> <C-W>j
    nmap <C-K> <C-W>k
    nmap <C-L> <C-W>l

    let g:SrcExpl_WinHeight = 8
    let g:SrcExpl_refreshTime = 100
    let g:SrcExpl_jumpkey = "<ENTER>"
    let g:SrcExpl_gobackKey = "<SPACE>"
    let g:SrcExpl_isUpdateTags = 0

"------------------------------------------"
"NERD Tree env setting"
"------------------------------------------"
    let NERDTreeWinPos = "left"
    nmap <F9> :NERDTreeToggle<CR>

" Open and close all the three plugins on the same time
"nmap <F8>   :TrinityToggleAll<CR>

" Open and close the srcexpl.vim separately
"nmap <F9>   :TrinityToggleSourceExplorer<CR>

" Open and close the taglist.vim separately
"nmap <F10>  :TrinityToggleTagList<CR>

" Open and close the NERD_tree.vim separately
"nmap <F11>  :TrinityToggleNERDTree<CR>

" -----------------------------------------------------------------------------

"  < 编写文件时的配置 >

" -----------------------------------------------------------------------------

filetype on                                           "启用文件类型侦测

filetype plugin on                                    "针对不同的文件类型加载对应的插件

filetype plugin indent on                             "启用缩进

set smartindent                                       "启用智能对齐方式

set expandtab                                         "将Tab键转换为空格

set tabstop=4                                         "设置Tab键的宽度，可以更改，如：宽度为2

set shiftwidth=4                                      "换行时自动缩进宽度，可更改（宽度同tabstop）

set smarttab                                          "指定按一次backspace就删除shiftwidth宽度

set foldenable                                        "启用折叠

"set foldmethod=indent                                 "indent 折叠方式
" 常规模式下用空格键来开关光标行所在折叠（注：zR 展开所有折叠，zM 关闭所有折叠）

nnoremap <space> @=((foldclosed(line('.')) < 0) ? 'zc' : 'zo')<CR>


" 当文件在外部被修改，自动更新该文件

set autoread

" 语法高亮
set syntax=on

4.进入linux 内核顶层目录

    make tags  ARCH=arm

    make cscope ARCH=arm

5.使用方法

   在终端输入vim

   依次输入F7/F8/F9