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cd2a6906da
Parameterize magic number and header length to use the device-specific values. example: On WRC-X1800GS, an additional ELECOM-specific header and a magic number "COMC" are required. Stock FW v1.18: $ hexdump -n $((0x40080)) -C wrc-x1800gs_v1.18.bin 00000000 45 4c 45 43 4f 4d 00 00 57 52 43 2d 58 31 38 30 |ELECOM..WRC-X180| 00000010 30 47 53 00 00 00 00 00 00 00 00 00 00 00 00 00 |0GS.............| 00000020 00 00 00 00 00 00 00 00 31 2e 31 38 00 00 00 00 |........1.18....| 00000030 00 00 00 00 00 00 00 00 43 4f 4d 43 04 00 ac 00 |........COMC....| 00000040 40 f0 49 74 b1 e8 6a ca e4 20 65 1f 34 2e 30 34 |@.It..j.. e.4.04| 00000050 28 58 56 46 2e 31 29 62 31 37 00 00 00 00 00 00 |(XVF.1)b17......| 00000060 00 00 00 00 00 00 00 00 ff ff ff ff ff ff ff ff |................| 00000070 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff |................| * 00040000 d0 0d fe ed 00 36 9c c0 00 00 00 38 00 36 9a e0 |.....6.....8.6..| 00040010 00 00 00 28 00 00 00 11 00 00 00 10 00 00 00 00 |...(............| 00040020 00 00 00 6c 00 36 9a a8 00 00 00 00 00 00 00 00 |...l.6..........| 00040030 00 00 00 00 00 00 00 00 00 00 00 01 00 00 00 00 |................| 00040040 00 00 00 03 00 00 00 04 00 00 00 62 65 54 97 8f |...........beT..| 00040050 00 00 00 03 00 00 00 28 00 00 00 00 4d 49 50 53 |.......(....MIPS| 00040060 20 4f 70 65 6e 57 72 74 20 46 49 54 20 28 46 6c | OpenWrt FIT (Fl| 00040070 61 74 74 65 6e 65 64 20 49 6d 61 67 65 20 54 72 |attened Image Tr| 00040080 Signed-off-by: INAGAKI Hiroshi <musashino.open@gmail.com>