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authorJohn Crispin <john@openwrt.org>2015-06-05 14:12:15 +0000
committerJohn Crispin <john@openwrt.org>2015-06-05 14:12:15 +0000
commit0da6f8a52bdf49edfe1b9319aae555e14237c559 (patch)
tree0c5d9c1fb22f9e768e651b612d1ef871cb91f232 /target
parentf57076956e757269996c2767780f34c43a806fad (diff)
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brcm47xx: extract TRX from image on the fly
Extracting TRX to separated file in /tmp/ requires extra RAM which may not be available on some chepaer devices. Instead of that lets pass a proper extracting command to the default_do_upgrade. Signed-off-by: Rafał Miłecki <zajec5@gmail.com> SVN-Revision: 45901
Diffstat (limited to 'target')
-rw-r--r--target/linux/brcm47xx/base-files/lib/upgrade/platform.sh15
1 files changed, 8 insertions, 7 deletions
diff --git a/target/linux/brcm47xx/base-files/lib/upgrade/platform.sh b/target/linux/brcm47xx/base-files/lib/upgrade/platform.sh
index a346933..14fd5c8 100644
--- a/target/linux/brcm47xx/base-files/lib/upgrade/platform.sh
+++ b/target/linux/brcm47xx/base-files/lib/upgrade/platform.sh
@@ -133,25 +133,26 @@ platform_check_image() {
return $error
}
-platform_extract_trx_from_chk() {
+platform_trx_from_chk_cmd() {
local header_len=$((0x$(get_magic_long_at "$1" 4)))
- dd if="$1" of="$2" bs=$header_len skip=1
+ echo -n dd bs=$header_len skip=1
}
-platform_extract_trx_from_cybertan() {
- dd if="$1" of="$2" bs=32 skip=1
+platform_trx_from_cybertan_cmd() {
+ echo -n dd bs=32 skip=1
}
platform_do_upgrade() {
local file_type=$(brcm47xx_identify "$1")
local trx="$1"
+ local cmd=""
case "$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"
}