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This defconfig use BR2_TARGET_UBOOT_CUSTOM_MAKEOPTS to provide the path to the TEE in raw binary format but use the legacy file name "tee-pager_v2.bin" rather than the recommended "tee-raw.bin" [1][2]. Instead of just replacing the file name, use the newly introduced BR2_TARGET_UBOOT_NEEDS_OPTEE_TEE_RAW_BIN option. Since this option needs BR2_TARGET_UBOOT_NEEDS_OPTEE_TEE, we now have an explicit dependency between u-boot and optee-os package. Previously we had an indirect dependency: optee-os <- ATF <- u-boot with both BR2_TARGET_ARM_TRUSTED_FIRMWARE_BL32_OPTEE and BR2_TARGET_UBOOT_NEEDS_ATF_BL31 options enabled at the same time. [1]376cb124dd[2]4e0b8238eeSigned-off-by: Romain Naour <romain.naour@smile.fr> Signed-off-by: Julien Olivain <ju.o@free.fr>
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 https://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