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For specific architectures, running qemu in user mode without any additional options may fail if the host processor does not have the necessary instructions to properly run qemu in user mode, which results in the following error: "qemu: uncaught target signal 4 (Illegal instruction) - core dumped" CoreI7 is one such architecture that has had consistent auto-build failures. Add a new string in qemu/Config.in.host: BR2_PACKAGE_HOST_QEMU_USER_MODE_ARGS. The default for the Corei7 architecture is directly from the OpenEmbedded project found in meta/conf/machine/include/x86/tune-corei7.inc: "-cpu Nehalem,check=false." Other architectures may be added to this string at a later date if other failures occure. Signed-off-by: Adam Duskett <aduskett@gmail.com> Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
Buildroot is a simple, efficient and easy-to-use tool to generate embedded Linux systems through cross-compilation. The documentation can be found in docs/manual. You can generate a text document with 'make manual-text' and read output/docs/manual/manual.text. Online documentation can be found at http://buildroot.org/docs.html To build and use the buildroot stuff, do the following: 1) run 'make menuconfig' 2) select the target architecture and the packages you wish to compile 3) run 'make' 4) wait while it compiles 5) find the kernel, bootloader, root filesystem, etc. in output/images You do not need to be root to build or run buildroot. Have fun! Buildroot comes with a basic configuration for a number of boards. Run 'make list-defconfigs' to view the list of provided configurations. Please feed suggestions, bug reports, insults, and bribes back to the buildroot mailing list: buildroot@buildroot.org You can also find us on #buildroot on OFTC IRC. If you would like to contribute patches, please read https://buildroot.org/manual.html#submitting-patches