[LEDE-DEV] [PATCH 09/11] base-files: export x86 platform upgrade functions to common.sh
Yousong Zhou
yszhou4tech at gmail.com
Sat Dec 31 09:06:37 PST 2016
Signed-off-by: Yousong Zhou <yszhou4tech at gmail.com>
---
package/base-files/files/lib/upgrade/common.sh | 90 ++++++++++++++++++++
.../x86/base-files/lib/preinit/79_move_config | 4 +-
.../linux/x86/base-files/lib/upgrade/platform.sh | 97 +---------------------
3 files changed, 95 insertions(+), 96 deletions(-)
diff --git a/package/base-files/files/lib/upgrade/common.sh b/package/base-files/files/lib/upgrade/common.sh
index 4d0e6d5..8cfce71 100644
--- a/package/base-files/files/lib/upgrade/common.sh
+++ b/package/base-files/files/lib/upgrade/common.sh
@@ -206,6 +206,96 @@ get_magic_long() {
(get_image "$@" | dd bs=4 count=1 | hexdump -v -n 4 -e '1/1 "%02x"') 2>/dev/null
}
+export_bootdevice() {
+ local cmdline uuid disk uevent
+ local MAJOR MINOR DEVNAME DEVTYPE
+
+ if read cmdline < /proc/cmdline; then
+ case "$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
+}
+
+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
+}
+
+get_partitions() { # <device> <filename>
+ local disk="$1"
+ local filename="$2"
+
+ if [ -b "$disk" -o -f "$disk" ]; then
+ v "Reading partition table from $filename..."
+
+ local magic="$(hexdump -v -n 2 -s 0x1FE -e '1/2 "0x%04X"' "$disk")"
+ if [ "$magic" != 0xAA55 ]; then
+ v "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
+}
+
jffs2_copy_config() {
if grep rootfs_data /proc/mtd >/dev/null; then
# squashfs+jffs2
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
--
2.6.4
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