package/boot/grub2/stone_mod_grub2.sh

   1 # --- T2-COPYRIGHT-NOTE-BEGIN ---
   2 # T2 SDE: package/*/grub2/stone_mod_grub2.sh
   3 # Copyright (C) 2004 - 2021 The T2 SDE Project
   4 # Copyright (C) 1998 - 2003 ROCK Linux Project
   5 #
   6 # This Copyright note is generated by scripts/Create-CopyPatch,
   7 # more information can be found in the files COPYING and README.
   8 #
   9 # This program is free software; you can redistribute it and/or modify
  10 # it under the terms of the GNU General Public License version 2.
  11 # --- T2-COPYRIGHT-NOTE-END ---
  12 #
  13 # [MAIN] 70 grub2 GRUB2 Boot Loader Setup
  14 # [SETUP] 90 grub2
  15
  16 # TODO:
  17 # void efibootmgr duplicates :-/
  18 # auto-mount efivars?
  19 # impl. & test direct sparc, direct i386-pc-mbr, mips-arc, ...
  20 # unify non-crypt, and direct non-EFI BIOS install
  21
  22 arch=$(uname -m)
  23 arch=${arch/i?86/i386}
  24 arch=${arch/aarch/arm}
  25
  26 create_kernel_list() {
  27         first=1
  28         for x in `(cd /boot/; ls vmlinux-* ) | sort -r`; do
  29                 ver=${x/vmlinux-/}
  30                 [[ $arch = *86* ]] && x=${x/vmlinux/vmlinuz}
  31                 [[ $arch = *arm* ]] && x=${x/vmlinux/Image}.gz
  32                 if [ $first = 1 ]; then
  33                         label=linux; first=0
  34                 else
  35                         label=linux-$ver
  36                 fi
  37
  38                 cat << EOT
  39
  40 menuentry "T2/Linux $label" {
  41         linux $bootpath/$x root=$rootdev ro
  42         initrd $bootpath/initrd-${ver}
  43 }
  44 EOT
  45         done
  46 }
  47
  48
  49 create_boot_menu() {
  50         # determine /boot path, relative to the boot device
  51         # (non local as used by create_kernel_list() ...)
  52         #
  53         [ "$rootdev" = "$bootdev" ] && bootpath="/boot" || bootpath=""
  54
  55         mkdir -p /boot/grub/
  56         cat << EOT > /boot/grub/grub.cfg
  57 set timeout=30
  58 set default=0
  59 set fallback=1
  60
  61 if [ "\$grub_platform" = "efi" ]; then
  62     set debug=video
  63     insmod efi_gop
  64     insmod efi_uga
  65     insmod font
  66     if loadfont \${prefix}/unicode.pf2; then
  67         insmod gfxterm
  68         set gfxmode=auto
  69         set gfxpayload=keep
  70         terminal_output gfxterm
  71     fi
  72 fi
  73
  74 EOT
  75         if [ -z "$cryptdev" ]; then
  76                 cat << EOT >> /boot/grub/grub.cfg
  77 set uuid=$grubdev
  78 search --set=root --no-floppy --fs-uuid \$uuid
  79
  80 EOT
  81         else
  82                 cat << EOT >> /boot/grub/grub.cfg
  83 set root=$cryptdev
  84
  85 EOT
  86         fi
  87
  88         create_kernel_list >> /boot/grub/grub.cfg
  89
  90         gui_message "This is the new /boot/grub/grub.cfg file:
  91
  92 $( cat /boot/grub/grub.cfg )"
  93         unset bootpath
  94 }
  95
  96 grubmods="normal boot configfile linux part_msdos part_gpt \
  97           fat ext2 iso9660 reiserfs xfs jfs lvm \
  98           crypto cryptodisk luks all_video sleep reboot \
  99           search search_fs_file search_label search_fs_uuid"
 100
 101 case "$arch" in
 102         ppc*)   grubmods="$grubmods part_apple hfs hfsplus suspend" ;;
 103         sparc*) grubmods="$grubmods part_sun" ;;
 104         x86*)   grubmods="$grubmods ntfs ntfscomp" ;;
 105 esac
 106
 107 grub_inst() {
 108     if [[ $arch != ppc* ]]; then
 109         if [ -z "$cryptdev" -a ! -d /sys/firmware/efi ]; then
 110             if [[ "$arch" != sparc* ]]; then
 111                 grub2-install $instdev
 112             else
 113                 grub2-install --skip-fs-probe --force $instdev
 114             fi
 115         else
 116             for efi in /boot/efi*; do
 117                 mkdir -p $efi/EFI/boot
 118
 119                 if [ -z "$cryptdev" ]; then
 120                     cat << EOT > $efi/EFI/boot/grub.cfg
 121 set uuid=$grubdev
 122 search --set=root --no-floppy --fs-uuid \$uuid
 123 configfile (\$root)/boot/grub/grub.cfg
 124 EOT
 125                 else
 126                     cat << EOT > $efi/EFI/boot/grub.cfg
 127 set uuid=$grubdev
 128 cryptomount -u \$uuid
 129 configfile (crypto0)/boot/grub/grub.cfg
 130 EOT
 131             fi
 132                 # TODO: case
 133                 local exe=BOOTX64.EFI
 134                 [ $arch = i386 ] && exe=${exe/X64/IA32}
 135                 [ $arch = arm64 ] && exe=${exe/X/AA}
 136                 [[ $arch = riscv* ]] && exe={exe/X64/${arch^^}}
 137
 138                 grub-mkimage -O $arch-efi -o $efi/EFI/boot/$exe \
 139                         -p /efi/boot -d /usr/lib*/grub/$arch-efi/ \
 140                         $grubmods
 141             done
 142             efibootmgr -c -L "T2 Linux" -l "\\EFI\\boot\\$exe"
 143         fi
 144     else
 145         # Apple PowerPC - install into FW read-able HFS partition
 146         local bootstrap=$instdev$(disktype $instdev | grep Apple_Bootstrap -B 1 |
 147                 sed -n 's/Partition \(.*\):.*/\1/p')
 148         if [ "$bootstrap" = "$instdev" ]; then
 149                 echo "No HFS bootstrap partition found!"
 150                 return
 151         fi
 152
 153         umount /mnt 2>/dev/null
 154         hformat -l bootstrap $bootstrap
 155         if ! mount $bootstrap /mnt; then
 156             echo "Error mounting HFS bootstrap partition"
 157         else
 158             mkdir -p /mnt/boot/grub
 159             if [ -z "$cryptdev" ]; then
 160                 cat << EOT > /mnt/boot/grub/grub.cfg
 161 set uuid=$grubdev
 162 search --set=root --no-floppy --fs-uuid \$uuid
 163 configfile (\$root)/boot/grub/grub.cfg
 164 EOT
 165             else
 166                 cat << EOT > /mnt/boot/grub/grub.cfg
 167 set uuid=$grubdev
 168 cryptomount -u \$uuid
 169 configfile (crypto0)/boot/grub/grub.cfg
 170 EOT
 171             fi
 172             grub-mkimage -O powerpc-ieee1275 -p /boot/grub \
 173                 -o /mnt/boot/grub.elf -d /usr/lib*/grub/powerpc-ieee1275 \
 174                 $grubmods
 175
 176             cat > /mnt/ofboot.b <<-EOT
 177 <CHRP-BOOT>
 178 <COMPATIBLE>
 179 MacRISC MacRISC3 MacRISC4
 180 </COMPATIBLE>
 181 <DESCRIPTION>
 182 T2 SDE
 183 </DESCRIPTION>
 184 <BOOT-SCRIPT>
 185 " screen" output
 186 load-base release-load-area
 187 boot hd:2,\\boot\\grub.elf
 188 </BOOT-SCRIPT>
 189 <OS-BADGE-ICONS>
 190 1010
 191 000000000000F8FEACF6000000000000
 192 0000000000F5FFFFFEFEF50000000000
 193 00000000002BFAFEFAFCF70000000000
 194 0000000000F65D5857812B0000000000
 195 0000000000F5350B2F88560000000000
 196 0000000000F6335708F8FE0000000000
 197 00000000005600F600F5FD8100000000
 198 00000000F9F8000000F5FAFFF8000000
 199 000000008100F5F50000F6FEFE000000
 200 000000F8F700F500F50000FCFFF70000
 201 00000088F70000F50000F5FCFF2B0000
 202 0000002F582A00F5000008ADE02C0000
 203 00090B0A35A62B0000002D3B350A0000
 204 000A0A0B0B3BF60000505E0B0A0B0A00
 205 002E350B0B2F87FAFCF45F0B2E090000
 206 00000007335FF82BF72B575907000000
 207 000000000000ACFFFF81000000000000
 208 000000000081FFFFFFFF810000000000
 209 0000000000FBFFFFFFFFAC0000000000
 210 000000000081DFDFDFFFFB0000000000
 211 000000000081DD5F83FFFD0000000000
 212 000000000081DDDF5EACFF0000000000
 213 0000000000FDF981F981FFFF00000000
 214 00000000FFACF9F9F981FFFFAC000000
 215 00000000FFF98181F9F981FFFF000000
 216 000000ACACF981F981F9F9FFFFAC0000
 217 000000FFACF9F981F9F981FFFFFB0000
 218 00000083DFFBF981F9F95EFFFFFC0000
 219 005F5F5FDDFFFBF9F9F983DDDD5F0000
 220 005F5F5F5FDD81F9F9E7DF5F5F5F5F00
 221 0083DD5F5F83FFFFFFFFDF5F835F0000
 222 000000FBDDDFACFBACFBDFDFFB000000
 223 000000000000FFFFFFFF000000000000
 224 0000000000FFFFFFFFFFFF0000000000
 225 0000000000FFFFFFFFFFFF0000000000
 226 0000000000FFFFFFFFFFFF0000000000
 227 0000000000FFFFFFFFFFFF0000000000
 228 0000000000FFFFFFFFFFFF0000000000
 229 0000000000FFFFFFFFFFFFFF00000000
 230 00000000FFFFFFFFFFFFFFFFFF000000
 231 00000000FFFFFFFFFFFFFFFFFF000000
 232 000000FFFFFFFFFFFFFFFFFFFFFF0000
 233 000000FFFFFFFFFFFFFFFFFFFFFF0000
 234 000000FFFFFFFFFFFFFFFFFFFFFF0000
 235 00FFFFFFFFFFFFFFFFFFFFFFFFFF0000
 236 00FFFFFFFFFFFFFFFFFFFFFFFFFFFF00
 237 00FFFFFFFFFFFFFFFFFFFFFFFFFF0000
 238 000000FFFFFFFFFFFFFFFFFFFF000000
 239 </OS-BADGE-ICONS>
 240 </CHRP-BOOT>
 241 EOT
 242
 243             umount /mnt
 244             hmount $bootstrap
 245             hattrib -b bootstrap:
 246             hattrib -c UNIX -t tbxi bootstrap:ofboot.b
 247             humount
 248         fi
 249     fi
 250 }
 251
 252
 253 grub_install() {
 254         gui_cmd 'Installing GRUB2' "grub_inst"
 255 }
 256
 257 get_dm_dev() {
 258         local dev="$1"
 259         local devnode=$(stat -c "%t:%T" $dev)
 260         for d in /dev/dm-*; do
 261                 [ "$(stat -c "%t:%T" "$d")" = "$devnode" ] && echo $d && return
 262         done
 263 }
 264
 265 get_dm_type() {
 266         local dev="$1"
 267         dev="${dev##*/}"
 268         [ -e /sys/block/$dev/dm/uuid ] && cat /sys/block/$dev/dm/uuid
 269 }
 270
 271 get_uuid() {
 272         local dev="$1"
 273
 274         # look up uuid
 275         for _dev in /dev/disk/by-uuid/*; do
 276                 local d=$(readlink $_dev)
 277                 d="/dev/${d##*/}"
 278                 if [ "$d" = $dev ]; then
 279                         echo $_dev
 280                         return
 281                 fi
 282         done
 283 }
 284
 285 get_realdev() {
 286         local dev="$1"
 287         dev=$(readlink $dev)
 288         [ "$dev" ] && echo /dev/${dev##*/} || echo $1
 289 }
 290
 291 main() {
 292         rootdev="`grep ' / ' /proc/mounts | tail -n 1 | sed 's, .*,,'`"
 293         bootdev="`grep ' /boot ' /proc/mounts | tail -n 1 | sed 's, .*,,'`"
 294
 295         # if device-mapper, get backing device
 296         if [[ "$rootdev" = *mapper* ]]; then
 297             rootdev2=$(get_dm_dev $rootdev)
 298             # encrypted?
 299             if [[ "$(get_dm_type $rootdev2)" = CRYPT* ]]; then
 300                 rootdev=$rootdev2
 301                 realroot=$(cd /sys/block/${rootdev##*/}/slaves/; ls -d [a-z]*)
 302                 if [ "$realroot" ]; then
 303                         rootdev="/dev/$realroot"
 304                         cryptdev="(crypto0)"
 305                 fi
 306             else
 307                 cryptdev="lvm/${rootdev#/dev/mapper/}"
 308             fi
 309         fi
 310
 311         # get uuid
 312         uuid=$(get_uuid $rootdev)
 313         [ "$uuid" ] && rootdev=$uuid
 314         if [ "$bootdev" ]; then
 315                 uuid=$(get_uuid $bootdev)
 316                 [ "$uuid" ] && bootdev=$uuid
 317         fi
 318
 319         [ "$bootdev" ] || bootdev="$rootdev"
 320         instdev=$(get_realdev $bootdev); instdev="${instdev%%[0-9*]}"
 321         [ "$grubdev" ] || grubdev="${bootdev##*/}"
 322
 323         if [ ! -f /boot/grub/grub.cfg ]; then
 324           if gui_yesno "GRUB2 does not appear to be configured.
 325 Automatically install GRUB2 now?"; then
 326             create_boot_menu
 327             if ! grub_install; then
 328               gui_message "There was an error while installing GRUB2."
 329             fi
 330           fi
 331         fi
 332
 333         while
 334
 335         gui_menu grub 'GRUB2 Boot Loader Setup' \
 336                 "Root device ... $rootdev" "" \
 337                 "Boot device ... $bootdev" "" \
 338                 "Crypt device .. $cryptdev" "" \
 339                 "Grub device ... $grubdev" "" \
 340                 "Inst device ... $instdev" "" \
 341                 '' '' \
 342                 '(Re-)Create boot menu with installed kernels' 'create_boot_menu' \
 343                 "(Re-)Install GRUB2 in boot record ($instdev)" 'grub_install' \
 344                 '' '' \
 345                 "Edit /boot/grub/grub.cfg (Boot Menu)" \
 346                         "gui_edit 'GRUB2 Boot Menu' /boot/grub/grub.cfg"
 347     do : ; done
 348 }