diff options
Diffstat (limited to 'target/linux/brcm47xx/base-files/lib/upgrade/platform.sh')
| -rw-r--r-- | target/linux/brcm47xx/base-files/lib/upgrade/platform.sh | 157 |
1 files changed, 157 insertions, 0 deletions
diff --git a/target/linux/brcm47xx/base-files/lib/upgrade/platform.sh b/target/linux/brcm47xx/base-files/lib/upgrade/platform.sh new file mode 100644 index 0000000..cbadefb --- /dev/null +++ b/target/linux/brcm47xx/base-files/lib/upgrade/platform.sh @@ -0,0 +1,157 @@ +PART_NAME=firmware + +# $(1): file to read magic from +# $(2): offset in bytes +get_magic_long_at() { + dd if="$1" skip=$2 bs=1 count=4 2>/dev/null | hexdump -v -n 4 -e '1/1 "%02x"' +} + +platform_machine() { + grep "machine" /proc/cpuinfo | sed "s/.*:[ \t]*//" +} + +platform_expected_image() { + local machine=$(platform_machine) + + case "$machine" in + "Netgear WGR614 V8") echo "chk U12H072T00_NETGEAR"; return;; + "Netgear WGR614 V9") echo "chk U12H094T00_NETGEAR"; return;; + "Netgear WGR614 V10") echo "chk U12H139T01_NETGEAR"; return;; + "Netgear WNDR3300") echo "chk U12H093T00_NETGEAR"; return;; + "Netgear WNDR3400 V1") echo "chk U12H155T00_NETGEAR"; return;; + "Netgear WNDR3400 V2") echo "chk U12H187T00_NETGEAR"; return;; + "Netgear WNDR3400 V3") echo "chk U12H208T00_NETGEAR"; return;; + "Netgear WNDR3400 Vcna") echo "chk U12H155T01_NETGEAR"; return;; + "Netgear WNDR3700 V3") echo "chk U12H194T00_NETGEAR"; return;; + "Netgear WNDR4000") echo "chk U12H181T00_NETGEAR"; return;; + "Netgear WNDR4500 V1") echo "chk U12H189T00_NETGEAR"; return;; + "Netgear WNDR4500 V2") echo "chk U12H224T00_NETGEAR"; return;; + "Netgear WNR2000 V2") echo "chk U12H114T00_NETGEAR"; return;; + "Netgear WNR3500L") echo "chk U12H136T99_NETGEAR"; return;; + "Netgear WNR3500U") echo "chk U12H136T00_NETGEAR"; return;; + "Netgear WNR3500 V2") echo "chk U12H127T00_NETGEAR"; return;; + "Netgear WNR3500 V2vc") echo "chk U12H127T70_NETGEAR"; return;; + "Netgear WNR834B V2") echo "chk U12H081T00_NETGEAR"; return;; + "Linksys E900 V1") echo "cybertan E900"; return;; + "Linksys E1000 V1") echo "cybertan E100"; return;; + "Linksys E1000 V2") echo "cybertan E100"; return;; + "Linksys E1000 V2.1") echo "cybertan E100"; return;; + "Linksys E1200 V2") echo "cybertan E122"; return;; + "Linksys E2000 V1") echo "cybertan 32XN"; return;; + "Linksys E3000 V1") echo "cybertan 61XN"; return;; + "Linksys E3200 V1") echo "cybertan 3200"; return;; + "Linksys E4200 V1") echo "cybertan 4200"; return;; + "Linksys WRT150N V1.1") echo "cybertan N150"; return;; + "Linksys WRT150N V1") echo "cybertan N150"; return;; + "Linksys WRT160N V1") echo "cybertan N150"; return;; + "Linksys WRT160N V3") echo "cybertan N150"; return;; + "Linksys WRT300N V1") echo "cybertan EWCB"; return;; + "Linksys WRT300N V1.1") echo "cybertan EWC2"; return;; + "Linksys WRT310N V1") echo "cybertan 310N"; return;; + "Linksys WRT310N V2") echo "cybertan 310N"; return;; + "Linksys WRT610N V1") echo "cybertan 610N"; return;; + "Linksys WRT610N V2") echo "cybertan 610N"; return;; + esac +} + +brcm47xx_identify() { + local magic + + magic=$(get_magic_long "$1") + case "$magic" in + "48445230") + echo "trx" + return + ;; + "2a23245e") + echo "chk" + return + ;; + esac + + magic=$(get_magic_long_at "$1" 14) + [ "$magic" = "55324e44" ] && { + echo "cybertan" + return + } + + echo "unknown" +} + +platform_check_image() { + [ "$#" -gt 1 ] && return 1 + + local file_type=$(brcm47xx_identify "$1") + local magic + local error=0 + + case "$file_type" in + "chk") + local header_len=$((0x$(get_magic_long_at "$1" 4))) + local board_id_len=$(($header_len - 40)) + local board_id=$(dd if="$1" skip=40 bs=1 count=$board_id_len 2>/dev/null | hexdump -v -e '1/1 "%c"') + local dev_board_id=$(platform_expected_image) + echo "Found CHK image with device board_id $board_id" + + [ -n "$dev_board_id" -a "chk $board_id" != "$dev_board_id" ] && { + echo "Firmware board_id doesn't match device board_id ($dev_board_id)" + error=1 + } + + if ! otrx check "$1" -o "$header_len"; then + echo "No valid TRX firmware in the CHK image" + error=1 + fi + ;; + "cybertan") + local pattern=$(dd if="$1" bs=1 count=4 2>/dev/null | hexdump -v -e '1/1 "%c"') + local dev_pattern=$(platform_expected_image) + echo "Found CyberTAN image with device pattern: $pattern" + + [ -n "$dev_pattern" -a "cybertan $pattern" != "$dev_pattern" ] && { + echo "Firmware pattern doesn't match device pattern ($dev_pattern)" + error=1 + } + + if ! otrx check "$1" -o 32; then + echo "No valid TRX firmware in the CyberTAN image" + error=1 + fi + ;; + "trx") + if ! otrx check "$1"; then + echo "Invalid (corrupted?) TRX firmware" + error=1 + fi + ;; + *) + echo "Invalid image type. Please use only .trx files" + error=1 + ;; + esac + + return $error +} + +platform_trx_from_chk_cmd() { + local header_len=$((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=$(brcm47xx_identify "$1") + local trx="$1" + local cmd="" + + case "$file_type" in + "chk") cmd=$(platform_trx_from_chk_cmd "$trx");; + "cybertan") cmd=$(platform_trx_from_cybertan_cmd "$trx");; + esac + + default_do_upgrade "$trx" "$cmd" +} |