initial commit for Enea Linux 5.0 arm

Signed-off-by: Tudor Florea <tudor.florea@enea.com>

1 files changed, 200 insertions, 0 deletions

diff --git a/scripts/lib/wic/plugins/source/bootimg-pcbios.py b/scripts/lib/wic/plugins/source/bootimg-pcbios.py
new file mode 100644
index 0000000000..8a1aca1ad1
--- /dev/null
+++ b/scripts/lib/wic/plugins/source/bootimg-pcbios.py
@@ -0,0 +1,200 @@
+# 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
+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.pluginbase import SourcePlugin
+from wic.utils.oe.misc import *
+from wic.imager.direct import DirectImageCreator
+
+class BootimgPcbiosPlugin(SourcePlugin):
+    name = 'bootimg-pcbios'
+
+    @classmethod
+    def do_install_disk(self, disk, disk_name, cr, 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 cr._ptable_format == 'msdos':
+            mbrfile += "mbr.bin"
+
+        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 = 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']))
+
+        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)
+
+    @classmethod
+    def do_configure_partition(self, part, source_params, cr, 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)
+        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,
+                             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(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)
+
+        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 -Lbms %s" % bootimg
+        out = exec_cmd(du_cmd)
+        bootimg_size = out.split()[0]
+
+        part.set_size(bootimg_size)
+        part.set_source_file(bootimg)
+
+