11/10/2023 0 Comments Unpacking gz linux kernel sources![]() ![]() Inserting the SD should consequently launch the hello world application. This file ttsystem can then be copied to the SD. This should build everything, including the Linux kernel and a small example hello world application, and generate a file ttsystem. apt-get source linux-image-3.19.0-58-generic will get the source for the latest kernel in the series: 3.19.0-80 in this case, which is not what you asked for. To build, unpack with tar zxvf, go into the ttsysbuild directory, unpack the Linux kernel there (so ttlinux becomes a subdirectory of ttsysbuild), and run. A small example that builds an entire ttsystem file can be found here: The ttsystem file on the SD is the file that is launched from the boot loader in the hardware. This can be found at:Ī small patch was made to this tool chain: The software on the TomTom GO was compiled with the gcc 2.95.2 tool chain. The ramdisk contains executables from the package modutils, which can be found here The specific version of BusyBox used for TomTom GO can be downloaded here: TomTom GO currently uses BusyBox, version 1.00-pre8, without any modifications. Or if the GNU site or its mirrors are inaccessible to you, here: The specific version of glibc used for TomTom GO can be downloaded here: TomTom GO currently uses the GNU C library, version 2.1.2, without any modifications. Please note that you will be charged for the cost of preparing and mailing the CD to you. Please leave your complete address details and specify that it is about the "TomTom GO Linux Kernel" CD. Should you want a copy of the source on CD, please submit your request on this page. There is also a tar archive, containing the full source code, with all these The specific version of the patch used for TomTom GO is:įinally, the patch containing TomTom's specific modifications for TomTom GO can Official ARM Linux patches can be downloaded from the ARM Linux site: The specific base version used for TomTom GO is: Usually, one should download the Linux kernel source code from one of the official mirror sites: The modifications for TomTom GO are provided both as a patch, relative to a specific ARM Linux kernel, and as a full archive containing the complete kernel source, after incorporating all patches. The ARM Linux kernel is normally provided in the form of a patch, relative to the "official" Linux kernel, as released by Linus Torvalds and/or the current kernel maintainer. TomTom GO currently uses version 2.4.18-rmk6 of the ARM Linux kernel, with modifications by TomTom, which provide drivers for the specific TomTom GO hardware. TomTom build tools (a package with a ramdisk, makeimage post processor, and little example hello world application).Ī detailed description of these categories follows, including information on where to download this source code and/or its modifications. ![]() Compiler tool chain (a small patch was made to the compiler tool chain source).Modutils (some executables on the ramdisk are from modutils). Once you use tar -xzvf to unpack the driver sources (replace with your packages file name), read all of the README and.The GNU C library (glibc), which is used unmodified.The Linux kernel for ARM, with modifications by TomTom.The GPL'ed source code used in TomTom GO falls into a number of categories: This is a document describing the distribution of the source code used on the TomTom GO device with version 4 of the navigation software, which falls under the GNU General Public License (the GPL). It's worth noting that everything in this article also works on the Windows Subsystem for Linux, which allows you to install the Bash shell inside of Windows 10 or Windows 11, although there are other ways to open tar.gz files on Windows as well.README for the source code of the parts of TomTom GO software that fall under open source licenses, TomTom GO version 4 software On original /boot/initrd.img-kernelver binwalk shows this structure: From 0 to 22528 bytes there is CPIO archive contains only GenuineIntel.bin firmware in specific folder hierarchy. You just need to use the appropriate tar command line options. bz2 extension suffix indicates that the archive has been compressed, using either the gzipĬompression algorithm. The tar command will work happily with both types of file, so it doesn't matter which compression method was used-and it should be available everywhere you have a Bash shell. Someone somewhere is probably still using tar with tape. Forty years later we are still using the tar command to extract tar files on to our hard drives. Tar files date all the way back to 1979 when the tar command was created to allow system administrators to archive files onto tape. Portion of the file extension stands for tape archive, and is the reason that both of these file types are called tar files. Extension is uncompressed, but those will be very rare. ![]()
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