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BUILD ===== Install libusb-1.0 and its development files and run: $ make For cross-compilation for win32/64 you need to install libusb-1.0. See at the end of this document for more information. After that, you can run: $ make MACH=mingw CROSSPREFIX=i686-w64-mingw32- or $ make MACH=mingw CROSSPREFIX=x86_64-w64-mingw32- USAGE ===== Read parameters: sudo ./rkflashtool p > parm.bin cat parm.bin The output will show 2 hex numbers and the partition name. (....,0x00008000@0x00010000(recovery),....) The first number is the size of the partition, the second number is the offset. So, to write the recovery image, use: sudo ./rkflashtool w 0x10000 0x8000 < recovery.img All available commands: rkflashtool b reboot device rkflashtool r partname >file read flash partition rkflashtool w partname <file write flash partition rkflashtool r offset size >file read flash rkflashtool w offset size <file write flash rkflashtool m offset size >file read 0x80 bytes DRAM rkflashtool i offset blocks >file read IDB flash rkflashtool p >file fetch parameters rkflashtool e partname erase flash (fill with 0xff) rkflashtool e offset size erase flash (fill with 0xff) offset and size are in units (blocks) of 512 bytes (!) Also included: rkcrc sign files with a cyclic redundency code and optionally add a KRNL or PARM + size header usage: rkcrc [-k|-p] infile outfile rkparameters generate a parameter file usage: rkparameters model fw_version partitionsfile > outfile model is found in the large case statement, e.g. arnova7g2 you can add your own and please send the information back to me (ivop@euronet.nl) for inclusion in future versions. fw_version is the version number, e.g. 1.2.3 partitionsfile is a file that specifies the kernel command line on the first line and describes all the partitions and their sizes. It skips the parameters block and starts with misc. See the example mtdparts.txt for details. rkparametersblock generate the parameters block usage: rkparametersblock parametersfile outfile parametersfile is the file you have generated with rkparameters. outfile is the file to be written, which can later be flashed to your device. rkparametersblock needs rkcrc to sign the parameter file. After that, it generates an empty 4MB file and pastes in the rkcrc'd file five times at the start of the first five NAND pages (it assumes the NAND page size is always 4096. Let me know if you run into something different). rkunpack unpack update.img files (not partition.img (!)) usage: rkunpack file supports both RKAF and RKFW (which contains an embedded RKAF file) rkpad pad file with zeroes usage: rkpad size infile outfile Copy infile to outfile and pad with zeroes up to the specified size. size is in blocks of 512 bytes (!) i.e. equal to the partition sizes. rkunsign remove KRNL/PARM header and crc footer usage: rkunsign infile outfile Notes on cross-compiling libusb-1.0 and mman-win32 on debian wheezy: sudo apt-get install mingw-w64 git clone http://git.libusb.org/libusb.git cd libusb ./autogen.sh make clean ./configure --host i686-w64-mingw32 --prefix=/usr/i686-w64-mingw32 make sudo make install Replace i686-w64-mingw32 with x86_64-w64-mingw32 to do a win64 build. Scripts on windows ------------------ To run the bash scripts (rkmisc, rkparameters, etc...) on Windows, you need to install MSYS (part of MinGW). The easiest way is through the MinGW installer. You need at least msys-bash and msys-coreutils (for dd). Make sure you have e.g. C:\MinGW\msys\1.0\bin and C:\rkflashtool in your %PATH% variable. The easiest way to run the scripts is from the bash command line. If you insist on using cmd.exe, you need to call bash with the script's full filename (including its path) as its first argument. You could turn that into a .bat file if you want.
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