From: Rafał Miłecki Date: Sat, 6 Jun 2015 17:23:03 +0000 (+0000) Subject: bcm53xx: extract TRX from image on the fly X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=54fb91f0cf8c93d3e306cb121d7657b0e04403a6;p=librecmc%2Flibrecmc.git bcm53xx: extract TRX from image on the fly Extracting TRX to separated file in /tmp/ just wastes some RAM while we can just pass a proper extracting command to the default_do_upgrade. Signed-off-by: Rafał Miłecki SVN-Revision: 45912 --- diff --git a/target/linux/bcm53xx/base-files/lib/upgrade/platform.sh b/target/linux/bcm53xx/base-files/lib/upgrade/platform.sh index 4920b55caf..7251a9a417 100644 --- a/target/linux/bcm53xx/base-files/lib/upgrade/platform.sh +++ b/target/linux/bcm53xx/base-files/lib/upgrade/platform.sh @@ -109,16 +109,6 @@ platform_check_image() { return $error } -platform_extract_trx_from_chk() { - local header_len=$((0x$(get_magic_long_at "$1" 4))) - - dd if="$1" of="$2" bs=$header_len skip=1 -} - -platform_extract_trx_from_cybertan() { - dd if="$1" of="$2" bs=32 skip=1 -} - platform_pre_upgrade() { local file_type=$(platform_identify "$1") local dir="/tmp/sysupgrade-bcm53xx" @@ -179,19 +169,30 @@ platform_pre_upgrade() { nand_do_upgrade /tmp/root.ubi } +platform_trx_from_chk_cmd() { + local header_len=$((0x$(get_magic_long_at "$1" 4))) + + echo -n dd bs=$header_len skip=1 +} + +platform_trx_from_cybertan_cmd() { + echo -n dd bs=32 skip=1 +} + platform_do_upgrade() { local file_type=$(platform_identify "$1") local trx="$1" + local cmd= [ "$(platform_flash_type)" == "nand" ] && { echo "Writing whole image to NAND flash. All erase counters will be lost." } case "$file_type" in - "chk") trx="/tmp/$(basename $1).trx"; platform_extract_trx_from_chk "$1" "$trx";; - "cybertan") trx="/tmp/$(basename $1).trx"; platform_extract_trx_from_cybertan "$1" "$trx";; + "chk") cmd=$(platform_trx_from_chk_cmd "$trx");; + "cybertan") cmd=$(platform_trx_from_cybertan_cmd "$trx");; esac shift - default_do_upgrade "$trx" "$@" + default_do_upgrade "$trx" "$cmd" }