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om-fwupgradecfg-gen.sh

om-fwupgradecfg-gen.sh 2.0 KB
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  1. #/bin/sh
    2. 

  2. #
    3. 

  3. # Copyright (C) 2011 OpenWrt.org
    4. 

  4. #
    5. 

  5. # This is free software, licensed under the GNU General Public License v2.
    6. 

  6. # See /LICENSE for more information.
    7. 

  7. #
    8. 

  8. 

  9. usage() {
    10. 

  10. 	echo "Usage: $0 <OM2P|OM5P|OM5PAC|MR600|MR900|MR1750> <out file path> <kernel path> <rootfs path>"
    11. 

  11. 	rm -f $CFG_OUT
    12. 

  12. 	exit 1
    13. 

  13. }
    14. 

  14. 

  15. [ "$#" -lt 4 ] && usage
    16. 

  16. 

  17. CE_TYPE=$1
    18. 

  18. CFG_OUT=$2
    19. 

  19. KERNEL_PATH=$3
    20. 

  20. ROOTFS_PATH=$4
    21. 

  21. 

  22. case $CE_TYPE in
    23. 

  23. 	OM2P)
    24. 

  24. 		MAX_PART_SIZE=7168
    25. 

  25. 		KERNEL_FLASH_ADDR=0x1c0000
    26. 

  26. 		FLASH_BS=262144
    27. 

  27. 		MD5_SKIP_BLOCKS=1
    28. 

  28. 		;;
    29. 

  29. 	OM5P|OM5PAC|MR600|MR900|MR1750)
    30. 

  30. 		MAX_PART_SIZE=7808
    31. 

  31. 		KERNEL_FLASH_ADDR=0xb0000
    32. 

  32. 		FLASH_BS=65536
    33. 

  33. 		MD5_SKIP_BLOCKS=4
    34. 

  34. 		;;
    35. 

  35. 	*)
    36. 

  36. 		echo "Error - unsupported ce type: $CE_TYPE"
    37. 

  37. 		exit 1
    38. 

  38. 		;;
    39. 

  39. esac
    40. 

  40. 

  41. CHECK_BS=65536
    42. 

  42. 

  43. KERNEL_SIZE=$(stat -c%s "$KERNEL_PATH")
    44. 

  44. KERNEL_MD5=$(mkhash md5 $KERNEL_PATH)
    45. 

  45. KERNEL_SHA256=$(mkhash sha256 $KERNEL_PATH)
    46. 

  46. KERNEL_PART_SIZE=$(size=$(($KERNEL_SIZE / $FLASH_BS)); [ $(($size * $FLASH_BS)) -lt $KERNEL_SIZE ] && size=$(($size + 1)); echo $(($size * $FLASH_BS / 1024)))
    47. 

  47. 

  48. ROOTFS_FLASH_ADDR=$(addr=$(($KERNEL_FLASH_ADDR + ($KERNEL_PART_SIZE * 1024))); printf "0x%x" $addr)
    49. 

  49. ROOTFS_SIZE=$(stat -c%s "$ROOTFS_PATH")
    50. 

  50. ROOTFS_CHECK_BLOCKS=$((($ROOTFS_SIZE / $CHECK_BS) - $MD5_SKIP_BLOCKS))
    51. 

  51. ROOTFS_MD5=$(dd if=$ROOTFS_PATH bs=$CHECK_BS count=$ROOTFS_CHECK_BLOCKS 2>&- | mkhash md5)
    52. 

  52. ROOTFS_MD5_FULL=$(mkhash md5 $ROOTFS_PATH)
    53. 

  53. ROOTFS_SHA256_FULL=$(mkhash sha256 $ROOTFS_PATH)
    54. 

  54. ROOTFS_CHECK_SIZE=$(printf '0x%x' $(($ROOTFS_CHECK_BLOCKS * $CHECK_BS)))
    55. 

  55. ROOTFS_PART_SIZE=$(($MAX_PART_SIZE - $KERNEL_PART_SIZE))
    56. 

  56. 

  57. cat << EOF > $CFG_OUT
    58. 

  58. [vmlinux]
    59. 

  59. filename=kernel
    60. 

  60. md5sum=$KERNEL_MD5
    61. 

  61. filemd5sum=$KERNEL_MD5
    62. 

  62. filesha256sum=$KERNEL_SHA256
    63. 

  63. flashaddr=$KERNEL_FLASH_ADDR
    64. 

  64. checksize=0x0
    65. 

  65. cmd_success=setenv bootseq 1,2; setenv kernel_size_1 $KERNEL_PART_SIZE; saveenv
    66. 

  66. cmd_fail=reset
    67. 

  67. 

  68. [rootfs]
    69. 

  69. filename=rootfs
    70. 

  70. md5sum=$ROOTFS_MD5
    71. 

  71. filemd5sum=$ROOTFS_MD5_FULL
    72. 

  72. filesha256sum=$ROOTFS_SHA256_FULL
    73. 

  73. flashaddr=$ROOTFS_FLASH_ADDR
    74. 

  74. checksize=$ROOTFS_CHECK_SIZE
    75. 

  75. cmd_success=setenv bootseq 1,2; setenv kernel_size_1 $KERNEL_PART_SIZE; setenv rootfs_size_1 $ROOTFS_PART_SIZE; saveenv
    76. 

  76. cmd_fail=reset
    77. 

  77. EOF
    78.