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    • /[magellan-source]/trunk/installer/include/prepare_bootloader.sh

    Contents of /trunk/installer/include/prepare_bootloader.sh

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    Revision 773 - (show annotations) (download) (as text)
    Wed Sep 24 10:54:00 2008 UTC (15 years, 7 months ago) by niro
    File MIME type: application/x-sh
    File size: 3254 byte(s) 
    -moved helper-scripts into include/ directory
    1 # $Header: /home/cvsd/magellan-cvs/magellan-src/installer/include/prepare_bootloader.sh,v 1.1 2008-09-24 10:54:00 niro Exp $
    2
    3 source hwdetection.sh
    4
    5 : ${INSTALL_ROOT="/mnt/magellan"}
    6
    7 create_device_map()
    8 {
    9 local chroot
    10
    11 [[ ! -z ${INSTALL_ROOT} ]] && chroot=chrooted
    12
    13 # create device.map
    14 ${chroot} grub --batch --no-floppy --no-config-file --device-map=/boot/grub/device.map </dev/null &>/dev/null
    15 }
    16
    17 install_grub()
    18 {
    19 local chroot
    20
    21 [[ ! -z ${INSTALL_ROOT} ]] && chroot=chrooted
    22
    23 # update grub
    24 ${chroot} grub --batch --no-floppy << EOF 1> /dev/null 2> /dev/null
    25 root $(convert_device ${PARTITION_DISK_BOOT})
    26 setup $(convert_device ${PARTITION_DISK_BOOT} | sed "s:,[0-9]::")
    27 quit
    28 EOF
    29
    30 return 0
    31 }
    32
    33 convert_device()
    34 {
    35 local device="$1"
    36 local root_part=
    37
    38 # extract device type (block) and major number for root drive
    39 local major_minor=$(ls -Ll ${device} | awk '{if ($6 < 64) printf("%c%d0", $1, $5); else printf("%c%d1", $1, $5)}')
    40
    41 # find the matching BIOS device
    42 for bios_drive in $(grep -v '^#' ${INSTALL_ROOT}/boot/grub/device.map | awk '{print $2}')
    43 do
    44 bios_major_minor=$(ls -Ll ${bios_drive} 2>/dev/null | awk '{if ($6 < 64) printf("%c%d0", $1, $5); else printf("%c%d1", $1, $5)}')
    45
    46 if [[ ${major_minor} = ${bios_major_minor} ]]
    47 then
    48 # we found it
    49 root_drive=$(grep ${bios_drive} ${INSTALL_ROOT}/boot/grub/device.map | awk '{print $1}')
    50 root_part=$(ls -Ll ${device} | awk '{print $6}')
    51 root_part=$(( ${root_part} % 16 - 1 ))
    52 break
    53 fi
    54 done
    55
    56 drive=$(echo ${root_drive} | sed "s:)$:,${root_part}):")
    57 echo ${drive}
    58 }
    59
    60 add_grub_conf()
    61 {
    62 echo "$@" >> ${INSTALL_ROOT}/boot/grub/grub.conf
    63 }
    64
    65 create_grub_conf()
    66 {
    67 local splashimage
    68
    69 if [[ -z ${PARTITION_DISK_BOOT} ]]
    70 then
    71 export PARTITION_DISK_BOOT="${PARTITION_DISK_ROOT}"
    72 fi
    73
    74 # create an empty one
    75 :> ${INSTALL_ROOT}/boot/grub/grub.conf
    76
    77 add_grub_conf "default 0"
    78 add_grub_conf "timeout 10"
    79 add_grub_conf ""
    80
    81 # our splashimage
    82 splashimage="magellan.xpm.gz"
    83
    84 # forcefully use gfxsplash
    85 [[ ! -f ${INSTALL_ROOT}/boot/${splashimage} ]] && cp magellan-black2.xpm.gz ${INSTALL_ROOT}/boot/${splashimage}
    86
    87 if [[ -f ${INSTALL_ROOT}/boot/${splashimage} ]]
    88 then
    89 add_grub_conf "# splash image"
    90 # old logo
    91 #add_grub_conf "splashimage /boot/magellan.xpm.gz"
    92 #add_grub_conf "foreground FFFFFF"
    93 #add_grub_conf "background 1B456B"
    94
    95 # the new one
    96 add_grub_conf "splashimage $(convert_device ${PARTITION_DISK_BOOT})/boot/${splashimage}"
    97 add_grub_conf "foreground FFFFFF"
    98 add_grub_conf "background 253861"
    99
    100 add_grub_conf ""
    101 else
    102 add_grub_conf "# some pretty colors"
    103 add_grub_conf "color cyan/blue white/blue"
    104 add_grub_conf ""
    105 fi
    106
    107 add_grub_conf "title Magellan-Linux $(< ${INSTALL_ROOT}/etc/mageversion) ($(readlink ${INSTALL_ROOT}/boot/vmlinuz | sed s:kernel-::))"
    108 add_grub_conf "root $(convert_device ${PARTITION_DISK_BOOT})"
    109 add_grub_conf "kernel /boot/$(readlink ${INSTALL_ROOT}/boot/vmlinuz) root=${PARTITION_DISK_ROOT}"
    110 add_grub_conf "initrd /boot/$(readlink ${INSTALL_ROOT}/boot/initrd)"
    111
    112 # add an empty line as spacer between other boot entries
    113 add_grub_conf ""
    114 }
    115
    116 install_bootloader()
    117 {
    118 create_device_map >&2
    119 echo 25
    120 create_grub_conf >&2
    121 echo 50
    122 create_initrd >&2
    123 echo 75
    124 install_grub >&2
    125 echo 100
    126 }
    127
    128 install_bootloader

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