Squashed 'yocto-poky/' content from commit ea562de
git-subtree-dir: yocto-poky
git-subtree-split: ea562de57590c966cd5a75fda8defecd397e6436
diff --git a/scripts/lib/wic/plugins/source/bootimg-pcbios.py b/scripts/lib/wic/plugins/source/bootimg-pcbios.py
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+# ex:ts=4:sw=4:sts=4:et
+# -*- tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*-
+#
+# Copyright (c) 2014, Intel Corporation.
+# All rights reserved.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License version 2 as
+# published by the Free Software Foundation.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License along
+# with this program; if not, write to the Free Software Foundation, Inc.,
+# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+#
+# DESCRIPTION
+# This implements the 'bootimg-pcbios' source plugin class for 'wic'
+#
+# AUTHORS
+# Tom Zanussi <tom.zanussi (at] linux.intel.com>
+#
+
+import os
+
+from wic.utils.errors import ImageError
+from wic import kickstart, msger
+from wic.utils import runner
+from wic.pluginbase import SourcePlugin
+from wic.utils.oe.misc import exec_cmd, exec_native_cmd, \
+ get_bitbake_var, BOOTDD_EXTRA_SPACE
+
+class BootimgPcbiosPlugin(SourcePlugin):
+ """
+ Create MBR boot partition and install syslinux on it.
+ """
+
+ name = 'bootimg-pcbios'
+
+ @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.
+ """
+ mbrfile = "%s/syslinux/" % bootimg_dir
+ if creator.ptable_format == 'msdos':
+ mbrfile += "mbr.bin"
+ elif creator.ptable_format == 'gpt':
+ mbrfile += "gptmbr.bin"
+ else:
+ msger.error("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)
+
+ full_path = creator._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']))
+
+ rcode = runner.show(['dd', 'if=%s' % mbrfile,
+ 'of=%s' % full_path, 'conv=notrunc'])
+ if rcode != 0:
+ raise ImageError("Unable to set MBR to %s" % full_path)
+
+ @classmethod
+ 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 = ""
+
+ options = creator.ks.handler.bootloader.appendLine
+
+ syslinux_conf = ""
+ syslinux_conf += "PROMPT 0\n"
+ timeout = kickstart.get_timeout(creator.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"
+
+ syslinux_conf += "APPEND label=boot root=%s %s\n" % \
+ (creator.rootdev, options)
+
+ msger.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(cls, part, source_params, creator, cr_workdir,
+ oe_builddir, bootimg_dir, kernel_dir,
+ rootfs_dir, native_sysroot):
+ """
+ Called to do the actual content population for a partition i.e. it
+ 'prepares' the partition to be incorporated into the image.
+ In this case, prepare content for legacy bios boot partition.
+ """
+ def _has_syslinux(dirname):
+ if dirname:
+ syslinux = "%s/syslinux" % dirname
+ 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
+ creator.set_bootimg_dir(bootimg_dir)
+
+ 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)
+
+ install_cmd = "install -m 444 %s/syslinux/ldlinux.sys %s/ldlinux.sys" \
+ % (bootimg_dir, hdddir)
+ exec_cmd(install_cmd)
+
+ du_cmd = "du -bks %s" % hdddir
+ out = exec_cmd(du_cmd)
+ blocks = int(out.split()[0])
+
+ extra_blocks = part.get_extra_block_count(blocks)
+
+ if extra_blocks < BOOTDD_EXTRA_SPACE:
+ extra_blocks = BOOTDD_EXTRA_SPACE
+
+ 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))
+
+ # dosfs image, created by mkdosfs
+ bootimg = "%s/boot.img" % cr_workdir
+
+ dosfs_cmd = "mkdosfs -n boot -S 512 -C %s %d" % (bootimg, blocks)
+ exec_native_cmd(dosfs_cmd, native_sysroot)
+
+ mcopy_cmd = "mcopy -i %s -s %s/* ::/" % (bootimg, hdddir)
+ exec_native_cmd(mcopy_cmd, native_sysroot)
+
+ syslinux_cmd = "syslinux %s" % bootimg
+ exec_native_cmd(syslinux_cmd, native_sysroot)
+
+ chmod_cmd = "chmod 644 %s" % bootimg
+ exec_cmd(chmod_cmd)
+
+ du_cmd = "du -Lbks %s" % bootimg
+ out = exec_cmd(du_cmd)
+ bootimg_size = out.split()[0]
+
+ part.set_size(bootimg_size)
+ part.set_source_file(bootimg)
+
+