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authorJohn Crispin <john@openwrt.org>2014-12-03 20:22:37 +0000
committerJohn Crispin <john@openwrt.org>2014-12-03 20:22:37 +0000
commit19a6f3dd11507759cbaf98904c48b66824f36d73 (patch)
tree2bc86811aaa8b734d053c14d12e7fb0dac8efb69 /package/system
parentc3bb3906ee5abbee7ead3970d395d2d44937a1d8 (diff)
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procd: more nand takeover fixes
if the initramfs kernel and payload were flashed in one block, the payload might not be at the start of the ubi partition due to bad blocks inside the kernel partition. Signed-off-by: John Crispin <blogic@openwrt.org> SVN-Revision: 43513
Diffstat (limited to 'package/system')
-rw-r--r--package/system/procd/files/nand-preinit.sh20
1 files changed, 12 insertions, 8 deletions
diff --git a/package/system/procd/files/nand-preinit.sh b/package/system/procd/files/nand-preinit.sh
index bd2193c..cf59624 100644
--- a/package/system/procd/files/nand-preinit.sh
+++ b/package/system/procd/files/nand-preinit.sh
@@ -4,14 +4,18 @@
nand_takeover() {
. /lib/upgrade/nand.sh
mtd=$(find_mtd_index "$CI_UBIPART")
- local file_type="$(identify $2)"
- mtd -l 400 dump /dev/mtd$mtd > /tmp/takeover.hdr
- MAGIC=$(dd if=/tmp/takeover.hdr bs=1 skip=261 count=5 2> /dev/null)
- SIZE=$(printf "%d" 0x$(dd if=/tmp/takeover.hdr bs=4 count=1 2> /dev/null | hexdump -v -n 4 -e '1/1 "%02x"'))
- [ "$MAGIC" = "ustar" ] && {
- mtd -l $((SIZE + 4)) dump /dev/mtd$mtd | dd bs=1 skip=4 of=/tmp/sysupgrade.tar
- nand_do_upgrade_stage2 /tmp/sysupgrade.tar
- }
+ esize=$(cat /proc/mtd | grep mtd$mtd |cut -d" " -f 3)
+ [ -z "$esize" ] && return 1
+ esize=$(printf "%d" 0x$esize)
+ for a in `seq 0 64`; do
+ mtd -o $((a * esize)) -l 400 dump /dev/mtd$mtd > /tmp/takeover.hdr
+ MAGIC=$(dd if=/tmp/takeover.hdr bs=1 skip=261 count=5 2> /dev/null)
+ SIZE=$(printf "%d" 0x$(dd if=/tmp/takeover.hdr bs=4 count=1 2> /dev/null | hexdump -v -n 4 -e '1/1 "%02x"'))
+ [ "$MAGIC" = "ustar" ] && {
+ mtd -o $((a * esize)) -l $((SIZE + 4)) dump /dev/mtd$mtd | dd bs=1 skip=4 of=/tmp/sysupgrade.tar
+ nand_do_upgrade_stage2 /tmp/sysupgrade.tar
+ }
+ done
}
boot_hook_add initramfs nand_takeover