diff --git a/meta-ti-bsp/recipes-ti/initramfs/packagegroup-ti-core-initramfs.bb b/meta-ti-bsp/recipes-ti/initramfs/packagegroup-ti-core-initramfs.bb new file mode 100644 index 00000000..e9cf5e6b --- /dev/null +++ b/meta-ti-bsp/recipes-ti/initramfs/packagegroup-ti-core-initramfs.bb @@ -0,0 +1,15 @@ +SUMMARY = "Minimal initramfs for boot requirements" + +require recipes-core/packagegroups/packagegroup-core-boot.bb + +RDEPENDS:${PN} += "\ + ${TI_INITRAMFS_KERNEL_MODULES} \ + initramfs-framework-base \ + initramfs-module-udev \ + initramfs-module-nfsrootfs \ + cifs-utils \ + nfs-utils \ + nfs-utils-client \ +" + +RDEPENDS:${PN}:remove = "grub-efi kernel" diff --git a/meta-ti-bsp/recipes-ti/initramfs/ti-core-initramfs.bb b/meta-ti-bsp/recipes-ti/initramfs/ti-core-initramfs.bb new file mode 100644 index 00000000..236aa756 --- /dev/null +++ b/meta-ti-bsp/recipes-ti/initramfs/ti-core-initramfs.bb @@ -0,0 +1,33 @@ +SUMMARY = "TI SDK minimal initramfs image" + +DESCRIPTION = "Image meant to probe boot essential modules\ + and other modules to reach the userspace, which cannot be\ + built inside the upstream linux kernel image.\ +" + +LICENSE = "MIT" + +inherit core-image + +IMAGE_NAME = "ti-core-initramfs" + +IMAGE_NAME_SUFFIX = "" + +IMAGE_FEATURES:remove = "package-management" + +INITRAMFS_FSTYPES = "cpio cpio.xz" + +IMAGE_FSTYPES = "${INITRAMFS_FSTYPES}" + +PACKAGE_INSTALL = "packagegroup-ti-core-initramfs" + +export IMAGE_BASENAME = "${IMAGE_NAME}" + +# To further reduce the size of the rootfs, remove the /boot directory from +# the final image this is usually done by adding RDEPENDS_kernel-base = "" +# in the configuration file. In our case we can't use this method. Instead we +# just wipe out the content of "/boot" before creating the image. +ROOTFS_POSTPROCESS_COMMAND += "empty_boot_dir; " +empty_boot_dir () { + rm -rf ${IMAGE_ROOTFS}/boot/* +}