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The post-image.sh script is used in several STM32MP157-based board configs. It had hardcoded device tree file names for the supported boards which were used for matching the expected TF-A binary name. Replace this mechanism with a pair of grep and sed that build the TF-A binary name from the device tree file name. For example, if BR2_TARGET_ARM_TRUSTED_FIRMWARE_ADDITIONAL_VARIABLES contained DTB_FILE_NAME=stm32mp157c-dk2.dtb, the appropriate TF-A file would be named tf-a-stm32mp157c-dk2.stm32. Since the Bash Here Strings are removed with this change, I took the opportunity to remove the only other non-POSIX command, "local", and then I was able to change the shebang to plain /bin/sh, with -eu for simpler error handling. Signed-off-by: Grzegorz Szymaszek <gszymaszek@short.pl> Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
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