diff options
Diffstat (limited to 'classes')
| -rw-r--r-- | classes/linux-qcom-bootimg.bbclass | 150 |
1 files changed, 150 insertions, 0 deletions
diff --git a/classes/linux-qcom-bootimg.bbclass b/classes/linux-qcom-bootimg.bbclass new file mode 100644 index 0000000..bc8a54f --- /dev/null +++ b/classes/linux-qcom-bootimg.bbclass @@ -0,0 +1,150 @@ +QIMG_DEPLOYDIR = "${WORKDIR}/qcom_deploy-${PN}" + +# Define INITRAMFS_IMAGE to create kernel+initramfs Android boot images in +# addition to default boot images. For example add the following line to your +# conf/local.conf: +# +# INITRAMFS_IMAGE = "initramfs-kerneltest-image" +# + +python __anonymous () { + if d.getVar('INITRAMFS_IMAGE') != '': + d.appendVarFlag('do_qcom_img_deploy', 'depends', ' ${INITRAMFS_IMAGE}:do_image_complete') +} + +python do_qcom_img_deploy() { + import shutil + import subprocess + + subdir = d.getVar("KERNEL_DEPLOYSUBDIR") + if subdir is not None: + qcom_deploy_dir = os.path.join(d.getVar("QIMG_DEPLOYDIR"), subdir) + image_dir = os.path.join(d.getVar("DEPLOY_DIR_IMAGE"), subdir) + else: + qcom_deploy_dir = d.getVar("QIMG_DEPLOYDIR") + image_dir = d.getVar("DEPLOY_DIR_IMAGE") + + initrd = None + if d.getVar('INITRAMFS_IMAGE') != '': + initrd_image_name = d.getVar("INITRAMFS_IMAGE_NAME") + baseinitrd = os.path.join(d.getVar("DEPLOY_DIR_IMAGE"), initrd_image_name) + for img in (".cpio.gz", ".cpio.lz4", ".cpio.lzo", ".cpio.lzma", ".cpio.xz", ".cpio"): + if os.path.exists(baseinitrd + img): + initrd = baseinitrd + img + break + if not initrd: + bb.fatal("Could not find initramfs image %s for bundling" % d.getVar("INITRAMFS_IMAGE")) + + B = d.getVar("B") + D = d.getVar("D") + kernel_output_dir = d.getVar("KERNEL_OUTPUT_DIR") + kernel_dtbdest = d.getVar("KERNEL_DTBDEST") + kernel = os.path.join(B, "kernel-dtb") + definitrd = os.path.join(B, "initrd.img") + mkbootimg = os.path.join(d.getVar("STAGING_BINDIR_NATIVE"), "skales", "mkbootimg") + kernel_image_name = d.getVar("KERNEL_IMAGE_NAME") + kernel_link_name = d.getVar("KERNEL_IMAGE_LINK_NAME") + output_img = os.path.join(qcom_deploy_dir, "boot-%s.img" % (kernel_link_name)) + output_sd_img = os.path.join(qcom_deploy_dir, "boot-sd-%s.img" % (kernel_link_name)) + + arch = d.getVar("ARCH") + if arch == "arm": + kernel_name = "zImage" + elif arch == "arm64": + kernel_name = "Image.gz" + else: + bb.fatal("Unuspported ARCH %s" % arch) + + if os.path.exists(output_img): + os.unlink(output_img) + if os.path.exists(output_sd_img): + os.unlink(output_sd_img) + + with open(definitrd, "w") as f: + f.write("This is not an initrd\n") + + for dtbf in d.getVar("KERNEL_DEVICETREE").split(): + dtb = os.path.basename(dtbf) + dtb_name = dtb.rsplit('.', 1)[0] + + def getVarDTB(name): + return d.getVarFlag(name, dtb_name) or d.getVar(name) + + def make_image_internal(output, output_link, rootfs, initrd = definitrd): + subprocess.check_call([mkbootimg, + "--kernel", kernel, + "--ramdisk", initrd, + "--output", output, + "--pagesize", getVarDTB("QCOM_BOOTIMG_PAGE_SIZE"), + "--base", getVarDTB("QCOM_BOOTIMG_KERNEL_BASE"), + "--cmdline", "root=%s rw rootwait %s %s" % (rootfs, consoles, getVarDTB("KERNEL_CMDLINE_EXTRA") or "")]) + if os.path.exists(output_link): + os.unlink(output_link) + os.symlink(os.path.basename(output), output_link) + + def make_image(template, rootfs): + output = os.path.join(qcom_deploy_dir, template % (dtb_name, kernel_image_name)) + output_link = os.path.join(qcom_deploy_dir, template % (dtb_name, kernel_link_name)) + make_image_internal(output, output_link, rootfs) + return output + + def make_initramfs_image(template, rootfs, initrd, initrd_image_name): + output = os.path.join(qcom_deploy_dir, template % (initrd_image_name, dtb_name, kernel_image_name)) + output_link = os.path.join(qcom_deploy_dir, template % (initrd_image_name, dtb_name, kernel_link_name)) + make_image_internal(output, output_link, rootfs, initrd) + output_link = os.path.join(qcom_deploy_dir, template % ("initramfs", dtb_name, kernel_link_name)) + if os.path.exists(output_link): + os.unlink(output_link) + os.symlink(os.path.basename(output), output_link) + return output + + consoles = ' '.join(map(lambda c: "console=%(tty)s,%(rate)sn8" % dict(zip(("rate", "tty"), c.split(';'))), getVarDTB("SERIAL_CONSOLES").split())) + + # prepare kernel image with appended dtb + with open(kernel, 'wb') as wfd: + with open(os.path.join(kernel_output_dir, kernel_name), 'rb') as rfd: + shutil.copyfileobj(rfd, wfd) + with open(os.path.join(D, kernel_dtbdest, dtb), 'rb') as rfd: + shutil.copyfileobj(rfd, wfd) + + rootfs = getVarDTB("QCOM_BOOTIMG_ROOTFS") + if not rootfs: + bb.fatal("QCOM_BOOTIMG_ROOTFS is undefined") + + output = make_image("boot-%s-%s.img", rootfs) + if not os.path.exists(output_img): + os.symlink(os.path.basename(output), output_img) + + if initrd: + make_initramfs_image("boot-%s-%s-%s.img", rootfs, initrd, d.getVar("INITRAMFS_IMAGE")) + + sd_rootfs = getVarDTB("SD_QCOM_BOOTIMG_ROOTFS") + if sd_rootfs: + output = make_image("boot-sd-%s-%s.img", sd_rootfs) + if not os.path.exists(output_sd_img): + os.symlink(os.path.basename(output), output_sd_img) + + if initrd: + make_initramfs_image("boot-sd-%s-%s-%s.img", rootfs, initrd, d.getVar("INITRAMFS_IMAGE")) +} + +do_qcom_img_deploy[depends] += "skales-native:do_populate_sysroot" +do_qcom_img_deploy[vardeps] = "QCOM_BOOTIMG_PAGE_SIZE QCOM_BOOTIMG_KERNEL_BASE KERNEL_CMDLINE_EXTRA QCOM_BOOTIMG_ROOTFS" + +addtask qcom_img_deploy after do_populate_sysroot do_packagedata do_bundle_initramfs before do_deploy + +# Setup sstate, see deploy.bbclass +SSTATETASKS += "do_qcom_img_deploy" +do_qcom_img_deploy[sstate-inputdirs] = "${QIMG_DEPLOYDIR}" +do_qcom_img_deploy[sstate-outputdirs] = "${DEPLOY_DIR_IMAGE}" + +python do_qcom_img_deploy_setscene () { + sstate_setscene(d) +} +addtask do_qcom_img_deploy_setscene +do_qcom_img_deploy[dirs] = "${QIMG_DEPLOYDIR} ${B}" +do_qcom_img_deploy[cleandirs] = "${QIMG_DEPLOYDIR}" +do_qcom_img_deploy[stamp-extra-info] = "${MACHINE_ARCH}" + +# We do not need kernel image in /boot, these images are flashed into separate partition. +RDEPENDS:${KERNEL_PACKAGE_NAME}-base = "" |