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    Contents of /trunk/installer/hwdetection.sh

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    Revision 576 - (show annotations) (download) (as text)
    Wed Sep 12 19:02:39 2007 UTC (16 years, 7 months ago) by niro
    File MIME type: application/x-sh
    File size: 4292 byte(s) 
    -support special memory and smp cases within get_hwinfo()
    1 #!/bin/bash
    2
    3 ## hwdetection, needs >= sys-apps/hwinfo
    4
    5 # get_hwinfo $hw_item
    6 get_hwinfo()
    7 {
    8 local enable_desc="0"
    9
    10 if [[ $1 = --with-description ]] || [[ $1 = -d ]]
    11 then
    12 enable_desc=1
    13 shift
    14 fi
    15
    16 local item="$1"
    17 local all
    18 local i
    19
    20 # handle special items
    21 case ${item} in
    22 memory) get_hwinfo_memory; return ;;
    23 smp) get_hwinfo_smp; return ;;
    24 esac
    25
    26 all=$(hwinfo --short --"${item}")
    27
    28 declare -i i=0
    29 while read device description
    30 do
    31 # skip the first line
    32 (( i++ ))
    33 [ ${i} -eq 1 ] && continue
    34
    35 if [[ ${enable_desc} = 1 ]]
    36 then
    37 echo "${device};${description}"
    38 else
    39 echo "${device}"
    40 fi
    41 done <<< "${all}"
    42 }
    43
    44
    45 # special memory case
    46 get_hwinfo_memory()
    47 {
    48 local memory=$(hwinfo --memory | grep "Memory Size" | cut -d: -f2 | sed "s:\ ::")
    49 echo "${memory}"
    50 }
    51
    52
    53 # special smp case
    54 get_hwinfo_smp()
    55 {
    56 local smp=$(hwinfo --smp | grep "SMP support:" | cut -d: -f2 | sed "s:\ ::")
    57 echo "${smp}"
    58 }
    59
    60
    61 # get_driver_modules $hw_item
    62 get_driver_modules()
    63 {
    64 local item="$1"
    65 local modules
    66
    67 # being little tricky here :)
    68 # does following:
    69 # grep:
    70 # -> 'Driver Modules: "via82cxxx", "ide_cd"'
    71 # cut:
    72 # -> ' "via82cxxx", "ide_cd"'
    73 # sed1:
    74 # -> ' modules="via82cxxx", "ide_cd"'
    75 # sed2:
    76 # -> ' modules="via82cxxx ide_cd"'
    77 # then evaluate -> eval modules="via82cxxx ide_cd"
    78 # and we get a variable $modules with all mods
    79 #eval $(hwinfo --"${item}" | grep "Driver Modules:" | cut -d: -f2 | sed -e "s:\":modules=\":" -e "s:\",\ \":\ :")
    80
    81 local i
    82 for i in $(hwinfo --"${item}" | grep "Driver Modules:" | cut -d: -f2 )
    83 do
    84 eval $(echo "${i}" | sed -e "s:\":modules=\"\${modules}\ :" -e "s:,:\ :")
    85 done
    86 echo "${modules}"
    87 }
    88
    89 # remove_duplicates $list
    90 remove_duplicates()
    91 {
    92 local list="$@"
    93 local fixed_list=":"
    94 local i
    95
    96 for i in ${list}
    97 do
    98 if [[ -z $(echo "${fixed_list}" | fgrep ":${i}:") ]]
    99 then
    100 fixed_list="${fixed_list}${i}:"
    101 fi
    102 done
    103
    104 # remove all ':' and show the cleaned list
    105 # this way fixes double spaces also
    106 for i in $(echo ${fixed_list} | sed "s|:| |g")
    107 do
    108 echo "${i}"
    109 done
    110 }
    111
    112 get_x11_driver_modules()
    113 {
    114 local modules
    115 modules="$(hwinfo --gfxcard | grep "XFree86 v4 Server Module:" | cut -d: -f2)"
    116
    117 # remove duplicates from list and show it
    118 remove_duplicates "${modules}"
    119 }
    120
    121 # create_initrd {/path/to/initrd kernelversion </path/to/config>}
    122 # when nothing given then /boot/initrd-$(uname -r).img $(uname -r) will be used
    123 # default config path is /etc/conf.d/mkinitrd
    124 create_initrd()
    125 {
    126 local initrd="$1"
    127 local kernel="$2"
    128 local config="$3"
    129 local modules
    130
    131 [[ -z ${initrd} ]] && initrd="/boot/initrd-$(uname -r).img"
    132 [[ -z ${kernel} ]] && kernel="$(uname -r)"
    133 [[ -z ${config} ]] && config="/etc/conf.d/mkinitrd"
    134
    135 # get various modules needed to boot
    136 modules="${modules} $(get_driver_modules disk)"
    137 modules="${modules} $(get_driver_modules scsi)"
    138 modules="${modules} $(get_driver_modules cdrom)"
    139
    140 # remove all duplicate modules
    141 modules="$(remove_duplicates ${modules})"
    142
    143 # create the config and an initrd
    144 echo "# autogenerated config file" > ${config}
    145 echo "MODULES=\"${modules}\"" >> ${config}
    146 echo "IMAGE_TYPE=\"initramfs\"" >> ${config}
    147
    148 mkinitrd -f ${initrd} ${kernel}
    149 }
    150
    151 # special: memory (size), floppy (modprobe floppy), smp (support y/n)
    152 # sound (which module? -> eval $(hwinfo --sound | grep "Driver Modules:" | cut -d: -f2 | sed s:\":a=\":) )
    153 #
    154
    155 # for i in cdrom cpu disk floppy gfxcard keyboard memory monitor mouse
    156 # netcard pppoe scsi smp \
    157 # sound wlan
    158 # do
    159 # echo -------- ${i}
    160 # get_hwinfo ${i}
    161 # echo -------------------------------------------------
    162 # echo
    163 # done
    164
    165 # get_driver_modules sound
    166 # get_driver_modules wlan
    167 # get_driver_modules cdrom
    168 # get_driver_modules disk
    169 # get_driver_modules gfxcard
    170 # get_x11_driver_modules
    171
    172 # # get a modules list
    173 # for i in sound wlan cdrom disk gfxcard
    174 # do
    175 # ALL_MODULES="${ALL_MODULES} $(get_driver_modules ${i})"
    176 # done
    177 # ALL_MODULES="${ALL_MODULES} $(get_x11_driver_modules)"
    178 # # show a clean list
    179 # for i in $(remove_duplicates ${ALL_MODULES})
    180 # do
    181 # echo ${i}
    182 # done
    183
    184 #create_initrd /root/TEST/initrd
    185 #get_driver_modules cdrom
    186 #get_driver_modules disk
    187 #get_driver_modules scsi
    188 #get_driver_modules all
    189
    190 # network
    191 #get_hwinfo --with-description netcard
    192 #get_driver_modules netcard
    193
    194 #get_hwinfo disk
    195 #get_hwinfo partition | grep /dev/hda