20.06.2012, в 10:08, Rafał Miłecki <[email protected]> написал(а): > 2012/6/19 Roman A. aka BasicXP <[email protected]>: >> Turns out the region is 0x0002 for worldwide. If you have a WNDR4500 >> yourself, try running routerinfo, it will give you the information you need. > > Interesting, "routerinfo" indeeds shows 0x0002: >> Board ID - U12H189T00_NETGEAR >> region_num - 0x0002 > > However I took a look at tools/firmware-utils/src/mkchkimg.c and found > interesting thing: > > hdr->magic = htonl (0x2a23245e); > hdr->reserved[0] = (unsigned char)(region & 0xff); > > struct chk_header { > uint32_t magic; > uint32_t header_len; > uint8_t reserved[8]; > uint32_t kernel_chksum; > uint32_t rootfs_chksum; > uint32_t kernel_len; > uint32_t rootfs_len; > uint32_t image_chksum; > uint32_t header_chksum; > /* char board_id[] - upto MAX_BOARD_ID_LEN */ > }; > > And that allows me to read sth different from > WNDR4500-V1.0.0.103_1.0.21.chk hexdump. It looks like that: > > 2A23245E 0000003A 01010000 67010015 > > So it seems that: > reserved[0] = 0x01 > reserved[1] = 0x01 > reserved[2] = 0x00 > reserved[3] = 0x00 > reserved[4] = 0x67 > reserved[5] = 0x01 > reserved[6] = 0x00 > reserved[7] = 0x15 > > I don't see any "0x02" here, especially in reserver[0]. If reserver[0] > is really a region, it seems to be 0x01 for me. > > -- > Rafał
If you look in trunk/target/linux/brcm47xx/image/Makefile, all firmwares are built with region 2.
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