Vim + Cscope 阅读 Linux kernel

sudo apt-get install cscope

cd linux-3.8.13
make xxx-config
make cscope

        if has("cscope")
                set csprg=/usr/local/bin/cscope
                set csto=0
                set cst
                set nocsverb
                " add any database in current directory
                if filereadable("cscope.out")
                    cs add cscope.out
                " else add database pointed to by environment
                elseif $CSCOPE_DB != ""
                    cs add $CSCOPE_DB
                endif
                set csverb
        endif

        nmap <C-\>s :cs find s <C-R>=expand("<cword>")<CR><CR>
        nmap <C-\>g :cs find g <C-R>=expand("<cword>")<CR><CR>
        nmap <C-\>c :cs find c <C-R>=expand("<cword>")<CR><CR>
        nmap <C-\>t :cs find t <C-R>=expand("<cword>")<CR><CR>
        nmap <C-\>e :cs find e <C-R>=expand("<cword>")<CR><CR>
        nmap <C-\>f :cs find f <C-R>=expand("<cfile>")<CR><CR>
        nmap <C-\>i :cs find i ^<C-R>=expand("<cfile>")<CR>$<CR>
        nmap <C-\>d :cs find d <C-R>=expand("<cword>")<CR><CR>