diff options
Diffstat (limited to 'scripts/lib/wic/plugins/source/bootimg-pcbios.py')
| -rw-r--r-- | scripts/lib/wic/plugins/source/bootimg-pcbios.py | 196 |
1 files changed, 102 insertions, 94 deletions
diff --git a/scripts/lib/wic/plugins/source/bootimg-pcbios.py b/scripts/lib/wic/plugins/source/bootimg-pcbios.py index c4786a6e0e..5890c1267b 100644 --- a/scripts/lib/wic/plugins/source/bootimg-pcbios.py +++ b/scripts/lib/wic/plugins/source/bootimg-pcbios.py @@ -24,102 +24,126 @@ # Tom Zanussi <tom.zanussi (at] linux.intel.com> # +import logging import os -import shutil -import re -import tempfile - -from wic import kickstart, msger -from wic.utils import misc, fs_related, errors, runner, cmdln -from wic.conf import configmgr -from wic.plugin import pluginmgr -import wic.imager.direct as direct + +from wic import WicError +from wic.engine import get_custom_config +from wic.utils import runner from wic.pluginbase import SourcePlugin -from wic.utils.oe.misc import * -from wic.imager.direct import DirectImageCreator +from wic.utils.misc import (exec_cmd, exec_native_cmd, + get_bitbake_var, BOOTDD_EXTRA_SPACE) + +logger = logging.getLogger('wic') class BootimgPcbiosPlugin(SourcePlugin): + """ + Create MBR boot partition and install syslinux on it. + """ + name = 'bootimg-pcbios' @classmethod - def do_install_disk(self, disk, disk_name, cr, workdir, oe_builddir, + def _get_bootimg_dir(cls, bootimg_dir, dirname): + """ + Check if dirname exists in default bootimg_dir or + in wic-tools STAGING_DIR. + """ + for result in (bootimg_dir, get_bitbake_var("STAGING_DATADIR", "wic-tools")): + if os.path.exists("%s/%s" % (result, dirname)): + return result + + raise WicError("Couldn't find correct bootimg_dir, exiting") + + @classmethod + def do_install_disk(cls, disk, disk_name, creator, workdir, oe_builddir, bootimg_dir, kernel_dir, native_sysroot): """ Called after all partitions have been prepared and assembled into a disk image. In this case, we install the MBR. """ + bootimg_dir = cls._get_bootimg_dir(bootimg_dir, 'syslinux') mbrfile = "%s/syslinux/" % bootimg_dir - if cr._ptable_format == 'msdos': + if creator.ptable_format == 'msdos': mbrfile += "mbr.bin" + elif creator.ptable_format == 'gpt': + mbrfile += "gptmbr.bin" + else: + raise WicError("Unsupported partition table: %s" % + creator.ptable_format) if not os.path.exists(mbrfile): - msger.error("Couldn't find %s. If using the -e option, do you have the right MACHINE set in local.conf? If not, is the bootimg_dir path correct?" % mbrfile) + raise WicError("Couldn't find %s. If using the -e option, do you " + "have the right MACHINE set in local.conf? If not, " + "is the bootimg_dir path correct?" % mbrfile) - full_path = cr._full_path(workdir, disk_name, "direct") - msger.debug("Installing MBR on disk %s as %s with size %s bytes" \ - % (disk_name, full_path, disk['min_size'])) + full_path = creator._full_path(workdir, disk_name, "direct") + logger.debug("Installing MBR on disk %s as %s with size %s bytes", + disk_name, full_path, disk.min_size) - rc = runner.show(['dd', 'if=%s' % mbrfile, - 'of=%s' % full_path, 'conv=notrunc']) - if rc != 0: - raise ImageError("Unable to set MBR to %s" % full_path) + dd_cmd = "dd if=%s of=%s conv=notrunc" % (mbrfile, full_path) + exec_cmd(dd_cmd, native_sysroot) @classmethod - def do_configure_partition(self, part, source_params, cr, cr_workdir, + def do_configure_partition(cls, part, source_params, creator, cr_workdir, oe_builddir, bootimg_dir, kernel_dir, native_sysroot): """ Called before do_prepare_partition(), creates syslinux config """ hdddir = "%s/hdd/boot" % cr_workdir - rm_cmd = "rm -rf " + cr_workdir - exec_cmd(rm_cmd) install_cmd = "install -d %s" % hdddir exec_cmd(install_cmd) - splash = os.path.join(cr_workdir, "/hdd/boot/splash.jpg") - if os.path.exists(splash): - splashline = "menu background splash.jpg" - else: - splashline = "" - - (rootdev, root_part_uuid) = cr._get_boot_config() - options = cr.ks.handler.bootloader.appendLine - - syslinux_conf = "" - syslinux_conf += "PROMPT 0\n" - timeout = kickstart.get_timeout(cr.ks) - if not timeout: - timeout = 0 - syslinux_conf += "TIMEOUT " + str(timeout) + "\n" - syslinux_conf += "\n" - syslinux_conf += "ALLOWOPTIONS 1\n" - syslinux_conf += "SERIAL 0 115200\n" - syslinux_conf += "\n" - if splashline: - syslinux_conf += "%s\n" % splashline - syslinux_conf += "DEFAULT boot\n" - syslinux_conf += "LABEL boot\n" - - kernel = "/vmlinuz" - syslinux_conf += "KERNEL " + kernel + "\n" - - if cr._ptable_format == 'msdos': - rootstr = rootdev - else: - raise ImageError("Unsupported partition table format found") - - syslinux_conf += "APPEND label=boot root=%s %s\n" % (rootstr, options) - - msger.debug("Writing syslinux config %s/hdd/boot/syslinux.cfg" \ - % cr_workdir) + bootloader = creator.ks.bootloader + + custom_cfg = None + if bootloader.configfile: + custom_cfg = get_custom_config(bootloader.configfile) + if custom_cfg: + # Use a custom configuration for grub + syslinux_conf = custom_cfg + logger.debug("Using custom configuration file %s " + "for syslinux.cfg", bootloader.configfile) + else: + raise WicError("configfile is specified but failed to " + "get it from %s." % bootloader.configfile) + + if not custom_cfg: + # Create syslinux configuration using parameters from wks file + splash = os.path.join(cr_workdir, "/hdd/boot/splash.jpg") + if os.path.exists(splash): + splashline = "menu background splash.jpg" + else: + splashline = "" + + syslinux_conf = "" + syslinux_conf += "PROMPT 0\n" + syslinux_conf += "TIMEOUT " + str(bootloader.timeout) + "\n" + syslinux_conf += "\n" + syslinux_conf += "ALLOWOPTIONS 1\n" + syslinux_conf += "SERIAL 0 115200\n" + syslinux_conf += "\n" + if splashline: + syslinux_conf += "%s\n" % splashline + syslinux_conf += "DEFAULT boot\n" + syslinux_conf += "LABEL boot\n" + + kernel = "/vmlinuz" + syslinux_conf += "KERNEL " + kernel + "\n" + + syslinux_conf += "APPEND label=boot root=%s %s\n" % \ + (creator.rootdev, bootloader.append) + + logger.debug("Writing syslinux config %s/hdd/boot/syslinux.cfg", + cr_workdir) cfg = open("%s/hdd/boot/syslinux.cfg" % cr_workdir, "w") cfg.write(syslinux_conf) cfg.close() @classmethod - def do_prepare_partition(self, part, source_params, cr, cr_workdir, + def do_prepare_partition(cls, part, source_params, creator, cr_workdir, oe_builddir, bootimg_dir, kernel_dir, rootfs_dir, native_sysroot): """ @@ -127,33 +151,25 @@ class BootimgPcbiosPlugin(SourcePlugin): 'prepares' the partition to be incorporated into the image. In this case, prepare content for legacy bios boot partition. """ - def _has_syslinux(dir): - if dir: - syslinux = "%s/syslinux" % dir - if os.path.exists(syslinux): - return True - return False - - if not _has_syslinux(bootimg_dir): - bootimg_dir = get_bitbake_var("STAGING_DATADIR") - if not bootimg_dir: - msger.error("Couldn't find STAGING_DATADIR, exiting\n") - if not _has_syslinux(bootimg_dir): - msger.error("Please build syslinux first\n") - # just so the result notes display it - cr.set_bootimg_dir(bootimg_dir) + bootimg_dir = cls._get_bootimg_dir(bootimg_dir, 'syslinux') staging_kernel_dir = kernel_dir hdddir = "%s/hdd/boot" % cr_workdir - install_cmd = "install -m 0644 %s/bzImage %s/vmlinuz" \ - % (staging_kernel_dir, hdddir) - exec_cmd(install_cmd) + cmds = ("install -m 0644 %s/bzImage %s/vmlinuz" % + (staging_kernel_dir, hdddir), + "install -m 444 %s/syslinux/ldlinux.sys %s/ldlinux.sys" % + (bootimg_dir, hdddir), + "install -m 0644 %s/syslinux/vesamenu.c32 %s/vesamenu.c32" % + (bootimg_dir, hdddir), + "install -m 444 %s/syslinux/libcom32.c32 %s/libcom32.c32" % + (bootimg_dir, hdddir), + "install -m 444 %s/syslinux/libutil.c32 %s/libutil.c32" % + (bootimg_dir, hdddir)) - install_cmd = "install -m 444 %s/syslinux/ldlinux.sys %s/ldlinux.sys" \ - % (bootimg_dir, hdddir) - exec_cmd(install_cmd) + for install_cmd in cmds: + exec_cmd(install_cmd) du_cmd = "du -bks %s" % hdddir out = exec_cmd(du_cmd) @@ -166,14 +182,8 @@ class BootimgPcbiosPlugin(SourcePlugin): blocks += extra_blocks - msger.debug("Added %d extra blocks to %s to get to %d total blocks" % \ - (extra_blocks, part.mountpoint, blocks)) - - # Ensure total sectors is an integral number of sectors per - # track or mcopy will complain. Sectors are 512 bytes, and we - # generate images with 32 sectors per track. This calculation is - # done in blocks, thus the mod by 16 instead of 32. - blocks += (16 - (blocks % 16)) + logger.debug("Added %d extra blocks to %s to get to %d total blocks", + extra_blocks, part.mountpoint, blocks) # dosfs image, created by mkdosfs bootimg = "%s/boot.img" % cr_workdir @@ -194,7 +204,5 @@ class BootimgPcbiosPlugin(SourcePlugin): out = exec_cmd(du_cmd) bootimg_size = out.split()[0] - part.set_size(bootimg_size) - part.set_source_file(bootimg) - - + part.size = int(bootimg_size) + part.source_file = bootimg |