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@ -197,6 +197,53 @@ platform_pre_upgrade_trx() { |
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nand_do_upgrade /tmp/root.ubi |
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} |
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platform_pre_upgrade_seama() { |
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local dir="/tmp/sysupgrade-bcm53xx" |
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local seama="$1" |
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local tmp |
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# Extract Seama entity from Seama seal |
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rm -fR $dir |
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mkdir -p $dir |
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oseama extract "$seama" \ |
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-e 0 \ |
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-o $dir/seama.entity |
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[ $? -ne 0 ] && { |
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echo "Failed to extract Seama entity." |
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return |
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} |
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local entity_size=$(wc -c $dir/seama.entity | cut -d ' ' -f 1) |
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local ubi_offset=0 |
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tmp=0 |
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while [ 1 ]; do |
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[ $tmp -ge $entity_size ] && break |
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[ "$(dd if=$dir/seama.entity skip=$tmp bs=1 count=4 2>/dev/null)" = "UBI#" ] && { |
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ubi_offset=$tmp |
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break |
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} |
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tmp=$(($tmp + 131072)) |
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done |
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[ $ubi_offset -eq 0 ] && { |
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echo "Failed to find UBI in Seama entity." |
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return |
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} |
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local ubi_length=0 |
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while [ "$(dd if=$dir/seama.entity skip=$(($ubi_offset + $ubi_length)) bs=1 count=4 2>/dev/null)" = "UBI#" ]; do |
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ubi_length=$(($ubi_length + 131072)) |
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done |
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dd if=$dir/seama.entity of=$dir/kernel.seama bs=131072 count=$(($ubi_offset / 131072)) 2>/dev/null |
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dd if=$dir/seama.entity of=$dir/root.ubi bs=131072 skip=$(($ubi_offset / 131072)) count=$(($ubi_length / 131072)) 2>/dev/null |
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# Flash |
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local kernel_size=$(sed -n 's/mtd[0-9]*: \([0-9a-f]*\).*"\(kernel\|linux\)".*/\1/p' /proc/mtd) |
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mtd write $dir/kernel.seama firmware |
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mtd ${kernel_size:+-c 0x$kernel_size} fixseama firmware |
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nand_do_upgrade $dir/root.ubi |
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} |
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platform_pre_upgrade() { |
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export RAMFS_COPY_BIN="${RAMFS_COPY_BIN} /usr/bin/oseama /bin/sed" |
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@ -208,7 +255,7 @@ platform_pre_upgrade() { |
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case "$file_type" in |
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"chk") platform_pre_upgrade_trx "$1" $((0x$(get_magic_long_at "$1" 4)));; |
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"cybertan") platform_pre_upgrade_trx "$1" 32;; |
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"seama") return;; |
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"seama") platform_pre_upgrade_seama "$1";; |
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"trx") platform_pre_upgrade_trx "$1";; |
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esac |
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} |
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