diff options
| -rw-r--r-- | meta/classes/kernel.bbclass | 33 |
1 files changed, 31 insertions, 2 deletions
diff --git a/meta/classes/kernel.bbclass b/meta/classes/kernel.bbclass index af58887f28..f3a55535fb 100644 --- a/meta/classes/kernel.bbclass +++ b/meta/classes/kernel.bbclass @@ -88,7 +88,7 @@ do_compile_kernelmodules() { bbnote "no modules to compile" fi } -addtask compile_kernelmodules after do_compile before do_install +addtask compile_kernelmodules after do_compile before do_strip kernel_do_install() { # @@ -289,6 +289,35 @@ python split_kernel_packages () { do_split_packages(d, root='/lib/firmware', file_regex='^(.*)\.cis$', output_pattern='kernel-firmware-%s', description='Firmware for %s', recursive=True, extra_depends='') } +do_strip() { + if [ -n "${KERNEL_IMAGE_STRIP_EXTRA_SECTIONS}" ]; then + if [[ "${KERNEL_IMAGETYPE}" != "vmlinux" ]]; then + bbwarn "image type will not be stripped (not supported): ${KERNEL_IMAGETYPE}" + return + fi + + cd ${B} + headers=`"$CROSS_COMPILE"readelf -S ${KERNEL_OUTPUT} | \ + grep "^ \{1,\}\[[0-9 ]\{1,\}\] [^ ]" | \ + sed "s/^ \{1,\}\[[0-9 ]\{1,\}\] //" | \ + gawk '{print $1}'` + + for str in ${KERNEL_IMAGE_STRIP_EXTRA_SECTIONS}; do { + if [[ "$headers" != *"$str"* ]]; then + bbwarn "Section not found: $str"; + fi + + "$CROSS_COMPILE"strip -s -R $str ${KERNEL_OUTPUT} + }; done + + bbnote "KERNEL_IMAGE_STRIP_EXTRA_SECTIONS is set, stripping sections:" \ + "${KERNEL_IMAGE_STRIP_EXTRA_SECTIONS}" + fi; +} +do_strip[dirs] = "${B}" + +addtask do_strip before do_sizecheck after do_kernel_link_vmlinux + # Support checking the kernel size since some kernels need to reside in partitions # with a fixed length or there is a limit in transferring the kernel to memory do_sizecheck() { @@ -302,7 +331,7 @@ do_sizecheck() { } do_sizecheck[dirs] = "${B}" -addtask sizecheck before do_install after do_kernel_link_vmlinux +addtask sizecheck before do_install after do_strip KERNEL_IMAGE_BASE_NAME ?= "${KERNEL_IMAGETYPE}-${PE}-${PV}-${PR}-${MACHINE}-${DATETIME}" # Don't include the DATETIME variable in the sstate package signatures |