Index: build_kernel_image.sh |
diff --git a/build_kernel_image.sh b/build_kernel_image.sh |
index bb0253af0888b755fd255381d535b1045f751482..b4e393e9b5f8d0a0735e874fd58cb6a61910f555 100755 |
--- a/build_kernel_image.sh |
+++ b/build_kernel_image.sh |
@@ -88,8 +88,13 @@ if [[ -n "${FLAGS_rootfs_image}" && -n "${FLAGS_rootfs_hash}" ]]; then |
# the verified boot device. Doing so will claim /dev/sdDP out from |
# under the system. |
if [[ ${FLAGS_root} = "/dev/dm-0" ]]; then |
- table=${table//HASH_DEV//dev/sd%D%P} |
- table=${table//ROOT_DEV//dev/sd%D%P} |
+ if [[ "${FLAGS_arch}" = "x86" ]]; then |
+ base_root='/dev/sd%D%P' |
+ elif [[ "${FLAGS_arch}" = "arm" ]]; then |
+ base_root='/dev/${devname}${rootpart}' |
+ fi |
+ table=${table//HASH_DEV/${base_root}} |
+ table=${table//ROOT_DEV/${base_root}} |
fi |
verity_args="dm=\"vroot none ro,${table}\"" |
info "dm-verity configuration: ${verity_args}" |
@@ -188,8 +193,39 @@ EOF |
trap - EXIT |
elif [[ "${FLAGS_arch}" = "arm" ]]; then |
- # FIXME: For now, ARM just uses the unsigned kernel by itself. |
- cp -f "${FLAGS_vmlinuz}" "${FLAGS_to}" |
+ # FIXME: This stuff is unsigned, and will likely change with vboot_reference |
+ # but it doesn't technically have to. |
+ |
+ kernel_script="${FLAGS_working_dir}/kernel.scr" |
+ kernel_script_img="${FLAGS_working_dir}/kernel.scr.uimg" |
+ # HACK: !! Kernel image construction requires some stuff from portage, not |
+ # sure how to get that information here cleanly !! |
+ kernel_image="${FLAGS_vmlinuz/vmlinuz/vmlinux.uimg}" |
+ WORK="${WORK} ${kernel_script} ${kernel_script_img}" |
+ |
+ kernel_size=$((($(stat -c %s "${kernel_image}") + 511) / 512)) |
+ script_size=16 |
+ |
+ # Build boot script image |
+ echo -n 'setenv bootargs ${bootargs} ' > "${kernel_script}" |
+ tr '\n' ' ' <"${FLAGS_working_dir}/boot.config" >> "${kernel_script}" |
+ echo >> "${kernel_script}" |
+ printf 'read ${devtype} 0:${kernelpart} ${loadaddr} %x %x\n' \ |
+ ${script_size} ${kernel_size} >> "${kernel_script}" |
+ echo 'bootm ${loadaddr}' >> ${kernel_script} |
+ mkimage -A arm -O linux -T script -C none -a 0 -e 0 \ |
+ -n kernel_script -d "${kernel_script}" "${kernel_script_img}" |
+ |
+ if [ $(stat -c %s "${kernel_script_img}") -gt $((512 * ${script_size})) ] |
+ then |
+ echo 'Kernel script too large for reserved space.' |
+ exit 1 |
+ fi |
+ |
+ # Assemble image |
+ rm -f "${FLAGS_to}" |
+ dd if="${kernel_script_img}" of="${FLAGS_to}" bs=512 count="${script_size}" |
+ dd if="${kernel_image}" of="${FLAGS_to}" bs=512 seek="${script_size}" |
else |
error "Unknown arch: ${FLAGS_arch}" |
fi |