kreyren/parabola-vmbootstrap
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uniform partition layout for all arches

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This commit is contained in:
bill-auger 2020-02-10 20:34:31 -05:00
parent 4872be99ac
commit a7de2a2480
1 changed files with 18 additions and 35 deletions
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53
src/pvmbootstrap.sh
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@ -135,60 +135,43 @@ pvm_bootstrap() # assumes: $arch $imagefile $loopdev $workdir , traps: INT TERM
sudo dd if=/dev/zero of="$loopdev" bs=1M count=8 || return "$EXIT_FAILURE"
# partition
local boot_begin="$( [[ "$arch" =~ i686|x86_64 ]] && echo 2 || echo 1 )MiB"
local bios_grub_begin="1MiB"
local bios_grub_end="2MiB"
local boot_begin=${bios_grub_end}
local boot_end="$(( ${boot_begin/MiB} + $BootSizeMb ))MiB"
local swap_begin=${boot_end}
local swap_end="$(( ${swap_begin/MiB} + $SwapSizeMb ))MiB"
local root_begin=${swap_end}
local legacy_part boot_label boot_fs_type boot_flag
local boot_label boot_fs_type
case "$arch" in
i686|x86_64)
legacy_part='mkpart primary 1MiB 2Mib'
boot_label='primary'
boot_fs_type='ext2'
boot_flag='bios_grub' ;; # legacy_part
armv7h)
boot_label='ESP'
boot_fs_type='fat32'
boot_flag='boot' ;;
ppc64le|riscv64)
boot_label='primary'
boot_fs_type='ext2'
boot_flag='boot' ;;
armv7h) boot_label='ESP' ; boot_fs_type='fat32' ;;
* ) boot_label='primary' ; boot_fs_type='ext2' ;;
esac
local swap_label='primary'
local root_label='primary'
local swap_part=$( (( $HasSwap )) && echo "mkpart $swap_label linux-swap $swap_begin $swap_end")
local swap_part="mkpart $swap_label linux-swap $swap_begin $swap_end"
msg "partitioning blank image"
sudo parted -s "$loopdev" \
mklabel gpt \
$legacy_part \
mkpart primary $bios_grub_begin $bios_grub_end \
set 1 bios_grub on \
mkpart $boot_label $boot_fs_type $boot_begin $boot_end \
set 1 $boot_flag on \
$swap_part \
set 2 boot on \
$( (( $HasSwap )) && echo $swap_part ) \
mkpart $root_label ext4 $root_begin 100% || return "$EXIT_FAILURE"
# refresh partition data
sudo partprobe "$loopdev"
# make file systems
local boot_mkfs_cmd boot_loopdev swap_loopdev root_loopdev
local boot_mkfs_cmd
local boot_loopdev="$loopdev"p2
local swap_loopdev="$loopdev"p3
local root_loopdev="$loopdev"p$( (( $HasSwap )) && echo 4 || echo 3 )
case "$arch" in
i686|x86_64)
boot_mkfs_cmd='mkfs.ext2'
boot_loopdev="$loopdev"p2
swap_loopdev="$loopdev"p3
root_loopdev="$loopdev"p$( (( $HasSwap )) && echo 4 || echo 3 ) ;;
armv7h)
boot_mkfs_cmd='mkfs.vfat -F 32'
boot_loopdev="$loopdev"p1
swap_loopdev="$loopdev"p2
root_loopdev="$loopdev"p$( (( $HasSwap )) && echo 3 || echo 2 ) ;;
ppc64le|riscv64)
boot_mkfs_cmd='mkfs.ext2'
boot_loopdev="$loopdev"p1
swap_loopdev="$loopdev"p2
root_loopdev="$loopdev"p$( (( $HasSwap )) && echo 3 || echo 2 ) ;;
armv7h ) boot_mkfs_cmd='mkfs.vfat -F 32' ;;
i686|x86_64 ) boot_mkfs_cmd='mkfs.ext2' ;;
ppc64le|riscv64) boot_mkfs_cmd='mkfs.ext2' ;;
esac
msg "creating target filesystems"
sudo $boot_mkfs_cmd "$boot_loopdev" || return "$EXIT_FAILURE"