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authorYousong Zhou <yszhou4tech@gmail.com>2017-01-01 01:06:37 +0800
committerFelix Fietkau <nbd@nbd.name>2017-01-05 11:09:14 +0100
commit6f61d8511eccf2736fd7f430aff2c98c595fa4b9 (patch)
tree04ed2b944470b00af1a94d54702e13e5ed198912 /target/linux/x86
parentd53fcdefbf5443e0cc404cead7ba48f9978b81f3 (diff)
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base-files: export x86 platform upgrade functions to common.sh
Signed-off-by: Yousong Zhou <yszhou4tech@gmail.com>
Diffstat (limited to 'target/linux/x86')
-rw-r--r--target/linux/x86/base-files/lib/preinit/79_move_config4
-rw-r--r--target/linux/x86/base-files/lib/upgrade/platform.sh97
2 files changed, 5 insertions, 96 deletions
diff --git a/target/linux/x86/base-files/lib/preinit/79_move_config b/target/linux/x86/base-files/lib/preinit/79_move_config
index 37954f0..143ca51 100644
--- a/target/linux/x86/base-files/lib/preinit/79_move_config
+++ b/target/linux/x86/base-files/lib/preinit/79_move_config
@@ -4,9 +4,9 @@
move_config() {
local partdev
- . /lib/upgrade/platform.sh
+ . /lib/upgrade/common.sh
- if platform_export_bootdevice && platform_export_partdevice partdev 1; then
+ if export_bootdevice && export_partdevice partdev 1; then
if mount -t ext4 -o rw,noatime "/dev/$partdev" /mnt; then
if [ -f /mnt/sysupgrade.tgz ]; then
mv -f /mnt/sysupgrade.tgz /
diff --git a/target/linux/x86/base-files/lib/upgrade/platform.sh b/target/linux/x86/base-files/lib/upgrade/platform.sh
index c8bc3f7..8850917 100644
--- a/target/linux/x86/base-files/lib/upgrade/platform.sh
+++ b/target/linux/x86/base-files/lib/upgrade/platform.sh
@@ -1,64 +1,3 @@
-platform_export_partdevice() {
- local var="$1" offset="$2"
- local uevent MAJOR MINOR DEVNAME DEVTYPE
-
- for uevent in /sys/class/block/*/uevent; do
- . "$uevent"
- if [ $BOOTDEV_MAJOR = $MAJOR -a $(($BOOTDEV_MINOR + $offset)) = $MINOR -a -b "/dev/$DEVNAME" ]; then
- export "$var=$DEVNAME"
- return 0
- fi
- done
-
- return 1
-}
-
-platform_export_bootdevice() {
- local cmdline uuid disk uevent
- local MAJOR MINOR DEVNAME DEVTYPE
-
- if read cmdline < /proc/cmdline; then
- case "$cmdline" in
- *block2mtd=*)
- disk="${cmdline##*block2mtd=}"
- disk="${disk%%,*}"
- ;;
- *root=*)
- disk="${cmdline##*root=}"
- disk="${disk%% *}"
- ;;
- esac
-
- case "$disk" in
- PARTUUID=[a-f0-9][a-f0-9][a-f0-9][a-f0-9][a-f0-9][a-f0-9][a-f0-9][a-f0-9]-02)
- uuid="${disk#PARTUUID=}"
- uuid="${uuid%-02}"
- for disk in $(find /dev -type b); do
- set -- $(dd if=$disk bs=1 skip=440 count=4 2>/dev/null | hexdump -v -e '4/1 "%02x "')
- if [ "$4$3$2$1" = "$uuid" ]; then
- uevent="/sys/class/block/${disk##*/}/uevent"
- break
- fi
- done
- ;;
- /dev/*)
- uevent="/sys/class/block/${disk##*/}/uevent"
- ;;
- esac
-
- if [ -e "$uevent" ]; then
- . "$uevent"
-
- export BOOTDEV_MAJOR=$MAJOR
- export BOOTDEV_MINOR=$MINOR
-
- return 0
- fi
- fi
-
- return 1
-}
-
platform_check_image() {
[ "$#" -gt 1 ] && return 1
@@ -74,47 +13,17 @@ platform_check_image() {
platform_copy_config() {
local partdev
- if platform_export_partdevice partdev 1; then
+ if export_partdevice partdev 1; then
mount -t ext4 -o rw,noatime "/dev/$partdev" /mnt
cp -af "$CONF_TAR" /mnt/
umount /mnt
fi
}
-get_partitions() { # <device> <filename>
- local disk="$1"
- local filename="$2"
-
- if [ -b "$disk" -o -f "$disk" ]; then
- echo "Reading partition table from $filename..."
-
- local magic="$(hexdump -v -n 2 -s 0x1FE -e '1/2 "0x%04X"' "$disk")"
- if [ "$magic" != 0xAA55 ]; then
- echo "Invalid partition table on $disk"
- exit
- fi
-
- rm -f "/tmp/partmap.$filename"
-
- local part
- for part in 1 2 3 4; do
- set -- $(hexdump -v -n 12 -s "$((0x1B2 + $part * 16))" -e '3/4 "0x%08X "' "$disk")
-
- local type="$(($1 % 256))"
- local lba="$(($2))"
- local num="$(($3))"
-
- [ $type -gt 0 ] || continue
-
- printf "%2d %5d %7d\n" $part $lba $num >> "/tmp/partmap.$filename"
- done
- fi
-}
-
platform_do_upgrade() {
local diskdev partdev ibs diff
- if platform_export_bootdevice && platform_export_partdevice diskdev 0; then
+ if export_bootdevice && export_partdevice diskdev 0; then
sync
if [ "$SAVE_PARTITIONS" = "1" ]; then
get_partitions "/dev/$diskdev" bootdisk
@@ -143,7 +52,7 @@ platform_do_upgrade() {
#iterate over each partition from the image and write it to the boot disk
while read part start size; do
- if platform_export_partdevice partdev $part; then
+ if export_partdevice partdev $part; then
echo "Writing image to /dev/$partdev..."
get_image "$@" | dd of="/dev/$partdev" ibs="$ibs" obs=1M skip="$start" count="$size" conv=fsync
else