target/linux/bcm53xx/base-files/lib/upgrade/platform.sh

   1 RAMFS_COPY_BIN='osafeloader oseama otrx truncate'
   2
   3 PART_NAME=firmware
   4
   5 LXL_FLAGS_VENDOR_LUXUL=0x00000001
   6
   7 # $(1): file to read magic from
   8 # $(2): offset in bytes
   9 get_magic_long_at() {
  10         dd if="$1" skip=$2 bs=1 count=4 2>/dev/null | hexdump -v -e '1/1 "%02x"'
  11 }
  12
  13 # $(1): file to read LE long number from
  14 # $(2): offset in bytes
  15 get_le_long_at() {
  16         echo $((0x$(dd if="$1" skip=$2 bs=1 count=4 2>/dev/null | hexdump -v -e '1/4 "%02x"')))
  17 }
  18
  19 platform_flash_type() {
  20         # On NAND devices "rootfs" is UBI volume, so won't be find in /proc/mtd
  21         grep -q "\"rootfs\"" /proc/mtd && {
  22                 echo "serial"
  23                 return
  24         }
  25
  26         echo "nand"
  27 }
  28
  29 platform_expected_image() {
  30         local machine=$(board_name)
  31
  32         case "$machine" in
  33                 "dlink,dir-885l")       echo "seama wrgac42_dlink.2015_dir885l"; return;;
  34                 "luxul,abr-4500-v1")    echo "lxl ABR-4500"; return;;
  35                 "luxul,xap-810-v1")     echo "lxl XAP-810"; return;;
  36                 "luxul,xap-1410v1")     echo "lxl XAP-1410"; return;;
  37                 "luxul,xap-1440-v1")    echo "lxl XAP-1440"; return;;
  38                 "luxul,xap-1510v1")     echo "lxl XAP-1510"; return;;
  39                 "luxul,xap-1610-v1")    echo "lxl XAP-1610"; return;;
  40                 "luxul,xbr-4500-v1")    echo "lxl XBR-4500"; return;;
  41                 "luxul,xwc-1000")       echo "lxl XWC-1000"; return;;
  42                 "luxul,xwc-2000-v1")    echo "lxl XWC-2000"; return;;
  43                 "luxul,xwr-1200v1")     echo "lxl XWR-1200"; return;;
  44                 "luxul,xwr-3100v1")     echo "lxl XWR-3100"; return;;
  45                 "luxul,xwr-3150-v1")    echo "lxl XWR-3150"; return;;
  46                 "netgear,r6250v1")      echo "chk U12H245T00_NETGEAR"; return;;
  47                 "netgear,r6300v2")      echo "chk U12H240T00_NETGEAR"; return;;
  48                 "netgear,r7000")        echo "chk U12H270T00_NETGEAR"; return;;
  49                 "netgear,r7900")        echo "chk U12H315T30_NETGEAR"; return;;
  50                 "netgear,r8000")        echo "chk U12H315T00_NETGEAR"; return;;
  51                 "netgear,r8500")        echo "chk U12H334T00_NETGEAR"; return;;
  52                 "tplink,archer-c9-v1")  echo "safeloader"; return;;
  53         esac
  54 }
  55
  56 platform_identify() {
  57         local magic
  58
  59         magic=$(get_magic_long "$1")
  60         case "$magic" in
  61                 "48445230")
  62                         echo "trx"
  63                         return
  64                         ;;
  65                 "2a23245e")
  66                         echo "chk"
  67                         return
  68                         ;;
  69                 "4c584c23")
  70                         echo "lxl"
  71                         return
  72                         ;;
  73                 "5ea3a417")
  74                         echo "seama"
  75                         return
  76                         ;;
  77         esac
  78
  79         magic=$(get_magic_long_at "$1" 14)
  80         [ "$magic" = "55324e44" ] && {
  81                 echo "cybertan"
  82                 return
  83         }
  84
  85         magic=$(get_magic_long_at "$1" 60)
  86         [ "$magic" = "4c584c23" ] && {
  87                 echo "lxlold"
  88                 return
  89         }
  90
  91         if osafeloader info "$1" > /dev/null 2>&1; then
  92                 echo "safeloader"
  93                 return
  94         fi
  95
  96         echo "unknown"
  97 }
  98
  99 platform_check_image() {
 100         [ "$#" -gt 1 ] && return 1
 101
 102         local file_type=$(platform_identify "$1")
 103         local magic
 104         local error=0
 105
 106         case "$file_type" in
 107                 "chk")
 108                         local header_len=$((0x$(get_magic_long_at "$1" 4)))
 109                         local board_id_len=$(($header_len - 40))
 110                         local board_id=$(dd if="$1" skip=40 bs=1 count=$board_id_len 2>/dev/null | hexdump -v -e '1/1 "%c"')
 111                         local dev_board_id=$(platform_expected_image)
 112                         echo "Found CHK image with device board_id $board_id"
 113
 114                         [ -n "$dev_board_id" -a "chk $board_id" != "$dev_board_id" ] && {
 115                                 echo "Firmware board_id doesn't match device board_id ($dev_board_id)"
 116                                 error=1
 117                         }
 118
 119                         if ! otrx check "$1" -o "$header_len"; then
 120                                 echo "No valid TRX firmware in the CHK image"
 121                                 notify_firmware_test_result "trx_valid" 0
 122                                 error=1
 123                         else
 124                                 notify_firmware_test_result "trx_valid" 1
 125                         fi
 126                 ;;
 127                 "cybertan")
 128                         local pattern=$(dd if="$1" bs=1 count=4 2>/dev/null | hexdump -v -e '1/1 "%c"')
 129                         local dev_pattern=$(platform_expected_image)
 130                         echo "Found CyberTAN image with device pattern: $pattern"
 131
 132                         [ -n "$dev_pattern" -a "cybertan $pattern" != "$dev_pattern" ] && {
 133                                 echo "Firmware pattern doesn't match device pattern ($dev_pattern)"
 134                                 error=1
 135                         }
 136
 137                         if ! otrx check "$1" -o 32; then
 138                                 echo "No valid TRX firmware in the CyberTAN image"
 139                                 notify_firmware_test_result "trx_valid" 0
 140                                 error=1
 141                         else
 142                                 notify_firmware_test_result "trx_valid" 1
 143                         fi
 144                 ;;
 145                 "lxl")
 146                         local hdr_len=$(get_le_long_at "$1" 8)
 147                         local flags=$(get_le_long_at "$1" 12)
 148                         local board=$(dd if="$1" skip=16 bs=1 count=16 2>/dev/null | hexdump -v -e '1/1 "%c"')
 149                         local dev_board=$(platform_expected_image)
 150                         echo "Found LXL image for board $board"
 151
 152                         [ -n "$dev_board" -a "lxl $board" != "$dev_board" ] && {
 153                                 echo "Firmware ($board) doesn't match device ($dev_board)"
 154                                 error=1
 155                         }
 156
 157                         [ $((flags & LXL_FLAGS_VENDOR_LUXUL)) -gt 0 ] && notify_firmware_no_backup
 158
 159                         if ! otrx check "$1" -o "$hdr_len"; then
 160                                 echo "No valid TRX firmware in the LXL image"
 161                                 notify_firmware_test_result "trx_valid" 0
 162                                 error=1
 163                         else
 164                                 notify_firmware_test_result "trx_valid" 1
 165                         fi
 166                 ;;
 167                 "lxlold")
 168                         local board_id=$(dd if="$1" skip=48 bs=1 count=12 2>/dev/null | hexdump -v -e '1/1 "%c"')
 169                         local dev_board_id=$(platform_expected_image)
 170                         echo "Found LXL image with device board_id $board_id"
 171
 172                         [ -n "$dev_board_id" -a "lxl $board_id" != "$dev_board_id" ] && {
 173                                 echo "Firmware board_id doesn't match device board_id ($dev_board_id)"
 174                                 error=1
 175                         }
 176
 177                         notify_firmware_no_backup
 178
 179                         if ! otrx check "$1" -o 64; then
 180                                 echo "No valid TRX firmware in the Luxul image"
 181                                 notify_firmware_test_result "trx_valid" 0
 182                                 error=1
 183                         else
 184                                 notify_firmware_test_result "trx_valid" 1
 185                         fi
 186                 ;;
 187                 "safeloader")
 188                 ;;
 189                 "seama")
 190                         local img_signature=$(oseama info "$1" | grep "Meta entry:.*signature=" | sed "s/.*=//")
 191                         local dev_signature=$(platform_expected_image)
 192                         echo "Found Seama image with device signature: $img_signature"
 193
 194                         [ -n "$dev_signature" -a "seama $img_signature" != "$dev_signature" ] && {
 195                                 echo "Firmware signature doesn't match device signature ($dev_signature)"
 196                                 error=1
 197                         }
 198
 199                         $(oseama info "$1" -e 0 | grep -q "Meta entry:.*type=firmware") || {
 200                                 echo "Seama container doesn't have firmware entity"
 201                                 error=1
 202                         }
 203                 ;;
 204                 "trx")
 205                         local expected=$(platform_expected_image)
 206
 207                         [ "$expected" == "safeloader" ] && {
 208                                 echo "This device expects SafeLoader format and may not work with TRX"
 209                                 error=1
 210                         }
 211
 212                         if ! otrx check "$1"; then
 213                                 echo "Invalid (corrupted?) TRX firmware"
 214                                 notify_firmware_test_result "trx_valid" 0
 215                                 error=1
 216                         else
 217                                 notify_firmware_test_result "trx_valid" 1
 218                         fi
 219                 ;;
 220                 *)
 221                         echo "Invalid image type. Please use firmware specific for this device."
 222                         notify_firmware_broken
 223                         error=1
 224                 ;;
 225         esac
 226
 227         return $error
 228 }
 229
 230 # $(1): image for upgrade (with possible extra header)
 231 # $(2): offset of trx in image
 232 platform_do_upgrade_nand_trx() {
 233         local dir="/tmp/sysupgrade-bcm53xx"
 234         local trx="$1"
 235         local offset="$2"
 236
 237         # Extract partitions from trx
 238         rm -fR $dir
 239         mkdir -p $dir
 240         otrx extract "$trx" \
 241                 ${offset:+-o $offset} \
 242                 -1 $dir/kernel \
 243                 -2 $dir/root
 244         [ $? -ne 0 ] && {
 245                 echo "Failed to extract TRX partitions."
 246                 return
 247         }
 248
 249         # Firmwares without UBI image should be flashed "normally"
 250         local root_type=$(identify $dir/root)
 251         [ "$root_type" != "ubi" ] && {
 252                 echo "Provided firmware doesn't use UBI for rootfs."
 253                 return
 254         }
 255
 256         # Prepare TRX file with just a kernel that will replace current one
 257         local linux_length=$(grep "\"linux\"" /proc/mtd | sed "s/mtd[0-9]*:[ \t]*\([^ \t]*\).*/\1/")
 258         [ -z "$linux_length" ] && {
 259                 echo "Unable to find \"linux\" partition size"
 260                 exit 1
 261         }
 262         linux_length=$((0x$linux_length))
 263         local kernel_length=$(wc -c $dir/kernel | cut -d ' ' -f 1)
 264         [ $kernel_length -gt $linux_length ] && {
 265                 echo "New kernel doesn't fit \"linux\" partition."
 266                 return
 267         }
 268         rm -f /tmp/null.bin
 269         rm -f /tmp/kernel.trx
 270         touch /tmp/null.bin
 271         otrx create /tmp/kernel.trx \
 272                 -f $dir/kernel -b $(($linux_length + 28)) \
 273                 -f /tmp/null.bin
 274         [ $? -ne 0 ] && {
 275                 echo "Failed to create simple TRX with new kernel."
 276                 return
 277         }
 278
 279         # Prepare UBI image (drop unwanted extra blocks)
 280         local ubi_length=0
 281         while [ "$(dd if=$dir/root skip=$ubi_length bs=1 count=4 2>/dev/null)" = "UBI#" ]; do
 282                 ubi_length=$(($ubi_length + 131072))
 283         done
 284         truncate -s $ubi_length $dir/root
 285         [ $? -ne 0 ] && {
 286                 echo "Failed to prepare new UBI image."
 287                 return
 288         }
 289
 290         # Flash
 291         mtd write /tmp/kernel.trx firmware || exit 1
 292         nand_do_upgrade $dir/root
 293 }
 294
 295 platform_do_upgrade_nand_seama() {
 296         local dir="/tmp/sysupgrade-bcm53xx"
 297         local seama="$1"
 298         local tmp
 299
 300         # Extract Seama entity from Seama seal
 301         rm -fR $dir
 302         mkdir -p $dir
 303         oseama extract "$seama" \
 304                 -e 0 \
 305                 -o $dir/seama.entity
 306         [ $? -ne 0 ] && {
 307                 echo "Failed to extract Seama entity."
 308                 return
 309         }
 310         local entity_size=$(wc -c $dir/seama.entity | cut -d ' ' -f 1)
 311
 312         local ubi_offset=0
 313         tmp=0
 314         while [ 1 ]; do
 315                 [ $tmp -ge $entity_size ] && break
 316                 [ "$(dd if=$dir/seama.entity skip=$tmp bs=1 count=4 2>/dev/null)" = "UBI#" ] && {
 317                         ubi_offset=$tmp
 318                         break
 319                 }
 320                 tmp=$(($tmp + 131072))
 321         done
 322         [ $ubi_offset -eq 0 ] && {
 323                 echo "Failed to find UBI in Seama entity."
 324                 return
 325         }
 326
 327         local ubi_length=0
 328         while [ "$(dd if=$dir/seama.entity skip=$(($ubi_offset + $ubi_length)) bs=1 count=4 2>/dev/null)" = "UBI#" ]; do
 329                 ubi_length=$(($ubi_length + 131072))
 330         done
 331
 332         dd if=$dir/seama.entity of=$dir/kernel.seama bs=131072 count=$(($ubi_offset / 131072)) 2>/dev/null
 333         dd if=$dir/seama.entity of=$dir/root.ubi bs=131072 skip=$(($ubi_offset / 131072)) count=$(($ubi_length / 131072)) 2>/dev/null
 334
 335         # Flash
 336         local kernel_size=$(sed -n 's/mtd[0-9]*: \([0-9a-f]*\).*"\(kernel\|linux\)".*/\1/p' /proc/mtd)
 337         mtd write $dir/kernel.seama firmware || exit 1
 338         mtd ${kernel_size:+-c 0x$kernel_size} fixseama firmware
 339         nand_do_upgrade $dir/root.ubi
 340 }
 341
 342 platform_trx_from_chk_cmd() {
 343         local header_len=$((0x$(get_magic_long_at "$1" 4)))
 344
 345         echo -n dd skip=$header_len iflag=skip_bytes
 346 }
 347
 348 platform_trx_from_cybertan_cmd() {
 349         echo -n dd skip=32 iflag=skip_bytes
 350 }
 351
 352 platform_trx_from_lxl_cmd() {
 353         local hdr_len=$(get_le_long_at "$1" 8)
 354
 355         echo -n dd skip=$hdr_len iflag=skip_bytes
 356 }
 357
 358 platform_trx_from_lxlold_cmd() {
 359         echo -n dd bs=64 skip=1
 360 }
 361
 362 platform_img_from_safeloader() {
 363         local dir="/tmp/sysupgrade-bcm53xx"
 364
 365         # Extract partitions from SafeLoader
 366         rm -fR $dir
 367         mkdir -p $dir
 368         osafeloader extract "$1" \
 369                 -p "os-image" \
 370                 -o $dir/os-image
 371         osafeloader extract "$1" \
 372                 -p "file-system" \
 373                 -o $dir/file-system
 374
 375         mtd write $dir/file-system rootfs
 376
 377         echo -n $dir/os-image
 378 }
 379
 380 platform_img_from_seama() {
 381         local dir="/tmp/sysupgrade-bcm53xx"
 382         local offset=$(oseama info "$1" -e 0 | grep "Entity offset:" | sed "s/.*:\s*//")
 383         local size=$(oseama info "$1" -e 0 | grep "Entity size:" | sed "s/.*:\s*//")
 384
 385         # Busybox doesn't support required iflag-s
 386         # echo -n dd iflag=skip_bytes,count_bytes skip=$offset count=$size
 387
 388         rm -fR $dir
 389         mkdir -p $dir
 390         dd if="$1" of=$dir/image-noheader.bin bs=$offset skip=1
 391         dd if=$dir/image-noheader.bin of=$dir/image-entity.bin bs=$size count=1
 392
 393         echo -n $dir/image-entity.bin
 394 }
 395
 396 platform_do_upgrade() {
 397         local file_type=$(platform_identify "$1")
 398         local trx="$1"
 399         local cmd=
 400
 401         [ "$(platform_flash_type)" == "nand" ] && {
 402                 case "$file_type" in
 403                         "chk")          platform_do_upgrade_nand_trx "$1" $((0x$(get_magic_long_at "$1" 4)));;
 404                         "cybertan")     platform_do_upgrade_nand_trx "$1" 32;;
 405                         "lxl")          platform_do_upgrade_nand_trx "$1" $(get_le_long_at "$1" 8);;
 406                         "lxlold")       platform_do_upgrade_nand_trx "$1" 64;;
 407                         "seama")        platform_do_upgrade_nand_seama "$1";;
 408                         "trx")          platform_do_upgrade_nand_trx "$1";;
 409                 esac
 410
 411                 # Above calls exit on success.
 412                 # If we got here something went wrong.
 413                 echo "Writing whole image to NAND flash. All erase counters will be lost."
 414         }
 415
 416         case "$file_type" in
 417                 "chk")          cmd=$(platform_trx_from_chk_cmd "$trx");;
 418                 "cybertan")     cmd=$(platform_trx_from_cybertan_cmd "$trx");;
 419                 "lxl")          cmd=$(platform_trx_from_lxl_cmd "$trx");;
 420                 "lxlold")       cmd=$(platform_trx_from_lxlold_cmd "$trx");;
 421                 "safeloader")   trx=$(platform_img_from_safeloader "$trx"); PART_NAME=os-image;;
 422                 "seama")        trx=$(platform_img_from_seama "$trx");;
 423         esac
 424
 425         default_do_upgrade "$trx" "$cmd"
 426 }