Patrick Williams | c124f4f | 2015-09-15 14:41:29 -0500 | [diff] [blame] | 1 | # ex:ts=4:sw=4:sts=4:et |
| 2 | # -*- tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*- |
| 3 | # |
| 4 | # Copyright (c) 2014, Intel Corporation. |
| 5 | # All rights reserved. |
| 6 | # |
| 7 | # This program is free software; you can redistribute it and/or modify |
| 8 | # it under the terms of the GNU General Public License version 2 as |
| 9 | # published by the Free Software Foundation. |
| 10 | # |
| 11 | # This program is distributed in the hope that it will be useful, |
| 12 | # but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | # GNU General Public License for more details. |
| 15 | # |
| 16 | # You should have received a copy of the GNU General Public License along |
| 17 | # with this program; if not, write to the Free Software Foundation, Inc., |
| 18 | # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
| 19 | # |
| 20 | # DESCRIPTION |
| 21 | # This implements the 'bootimg-efi' source plugin class for 'wic' |
| 22 | # |
| 23 | # AUTHORS |
| 24 | # Tom Zanussi <tom.zanussi (at] linux.intel.com> |
| 25 | # |
| 26 | |
| 27 | import os |
| 28 | import shutil |
| 29 | |
| 30 | from wic import kickstart, msger |
| 31 | from wic.pluginbase import SourcePlugin |
| 32 | from wic.utils.oe.misc import exec_cmd, exec_native_cmd, get_bitbake_var, \ |
| 33 | BOOTDD_EXTRA_SPACE |
| 34 | |
| 35 | class BootimgEFIPlugin(SourcePlugin): |
| 36 | """ |
| 37 | Create EFI boot partition. |
| 38 | This plugin supports GRUB 2 and gummiboot bootloaders. |
| 39 | """ |
| 40 | |
| 41 | name = 'bootimg-efi' |
| 42 | |
| 43 | @classmethod |
| 44 | def do_configure_grubefi(cls, hdddir, creator, cr_workdir): |
| 45 | """ |
| 46 | Create loader-specific (grub-efi) config |
| 47 | """ |
| 48 | options = creator.ks.handler.bootloader.appendLine |
| 49 | |
| 50 | grubefi_conf = "" |
| 51 | grubefi_conf += "serial --unit=0 --speed=115200 --word=8 --parity=no --stop=1\n" |
| 52 | grubefi_conf += "default=boot\n" |
| 53 | timeout = kickstart.get_timeout(creator.ks) |
| 54 | if not timeout: |
| 55 | timeout = 0 |
| 56 | grubefi_conf += "timeout=%s\n" % timeout |
| 57 | grubefi_conf += "menuentry 'boot'{\n" |
| 58 | |
| 59 | kernel = "/bzImage" |
| 60 | |
| 61 | grubefi_conf += "linux %s root=%s rootwait %s\n" \ |
| 62 | % (kernel, creator.rootdev, options) |
| 63 | grubefi_conf += "}\n" |
| 64 | |
| 65 | msger.debug("Writing grubefi config %s/hdd/boot/EFI/BOOT/grub.cfg" \ |
| 66 | % cr_workdir) |
| 67 | cfg = open("%s/hdd/boot/EFI/BOOT/grub.cfg" % cr_workdir, "w") |
| 68 | cfg.write(grubefi_conf) |
| 69 | cfg.close() |
| 70 | |
| 71 | @classmethod |
| 72 | def do_configure_gummiboot(cls, hdddir, creator, cr_workdir): |
| 73 | """ |
| 74 | Create loader-specific (gummiboot) config |
| 75 | """ |
| 76 | install_cmd = "install -d %s/loader" % hdddir |
| 77 | exec_cmd(install_cmd) |
| 78 | |
| 79 | install_cmd = "install -d %s/loader/entries" % hdddir |
| 80 | exec_cmd(install_cmd) |
| 81 | |
| 82 | options = creator.ks.handler.bootloader.appendLine |
| 83 | |
| 84 | timeout = kickstart.get_timeout(creator.ks) |
| 85 | if not timeout: |
| 86 | timeout = 0 |
| 87 | |
| 88 | loader_conf = "" |
| 89 | loader_conf += "default boot\n" |
| 90 | loader_conf += "timeout %d\n" % timeout |
| 91 | |
| 92 | msger.debug("Writing gummiboot config %s/hdd/boot/loader/loader.conf" \ |
| 93 | % cr_workdir) |
| 94 | cfg = open("%s/hdd/boot/loader/loader.conf" % cr_workdir, "w") |
| 95 | cfg.write(loader_conf) |
| 96 | cfg.close() |
| 97 | |
| 98 | kernel = "/bzImage" |
| 99 | |
| 100 | boot_conf = "" |
| 101 | boot_conf += "title boot\n" |
| 102 | boot_conf += "linux %s\n" % kernel |
| 103 | boot_conf += "options LABEL=Boot root=%s %s\n" % (creator.rootdev, options) |
| 104 | |
| 105 | msger.debug("Writing gummiboot config %s/hdd/boot/loader/entries/boot.conf" \ |
| 106 | % cr_workdir) |
| 107 | cfg = open("%s/hdd/boot/loader/entries/boot.conf" % cr_workdir, "w") |
| 108 | cfg.write(boot_conf) |
| 109 | cfg.close() |
| 110 | |
| 111 | |
| 112 | @classmethod |
| 113 | def do_configure_partition(cls, part, source_params, creator, cr_workdir, |
| 114 | oe_builddir, bootimg_dir, kernel_dir, |
| 115 | native_sysroot): |
| 116 | """ |
| 117 | Called before do_prepare_partition(), creates loader-specific config |
| 118 | """ |
| 119 | hdddir = "%s/hdd/boot" % cr_workdir |
| 120 | rm_cmd = "rm -rf %s" % cr_workdir |
| 121 | exec_cmd(rm_cmd) |
| 122 | |
| 123 | install_cmd = "install -d %s/EFI/BOOT" % hdddir |
| 124 | exec_cmd(install_cmd) |
| 125 | |
| 126 | try: |
| 127 | if source_params['loader'] == 'grub-efi': |
| 128 | cls.do_configure_grubefi(hdddir, creator, cr_workdir) |
| 129 | elif source_params['loader'] == 'gummiboot': |
| 130 | cls.do_configure_gummiboot(hdddir, creator, cr_workdir) |
| 131 | else: |
| 132 | msger.error("unrecognized bootimg-efi loader: %s" % source_params['loader']) |
| 133 | except KeyError: |
| 134 | msger.error("bootimg-efi requires a loader, none specified") |
| 135 | |
| 136 | |
| 137 | @classmethod |
| 138 | def do_prepare_partition(cls, part, source_params, creator, cr_workdir, |
| 139 | oe_builddir, bootimg_dir, kernel_dir, |
| 140 | rootfs_dir, native_sysroot): |
| 141 | """ |
| 142 | Called to do the actual content population for a partition i.e. it |
| 143 | 'prepares' the partition to be incorporated into the image. |
| 144 | In this case, prepare content for an EFI (grub) boot partition. |
| 145 | """ |
| 146 | if not bootimg_dir: |
| 147 | bootimg_dir = get_bitbake_var("HDDDIR") |
| 148 | if not bootimg_dir: |
| 149 | msger.error("Couldn't find HDDDIR, exiting\n") |
| 150 | # just so the result notes display it |
| 151 | creator.set_bootimg_dir(bootimg_dir) |
| 152 | |
| 153 | staging_kernel_dir = kernel_dir |
| 154 | |
| 155 | hdddir = "%s/hdd/boot" % cr_workdir |
| 156 | |
| 157 | install_cmd = "install -m 0644 %s/bzImage %s/bzImage" % \ |
| 158 | (staging_kernel_dir, hdddir) |
| 159 | exec_cmd(install_cmd) |
| 160 | |
| 161 | try: |
| 162 | if source_params['loader'] == 'grub-efi': |
| 163 | shutil.copyfile("%s/hdd/boot/EFI/BOOT/grub.cfg" % cr_workdir, |
| 164 | "%s/grub.cfg" % cr_workdir) |
| 165 | cp_cmd = "cp %s/EFI/BOOT/* %s/EFI/BOOT" % (bootimg_dir, hdddir) |
| 166 | exec_cmd(cp_cmd, True) |
| 167 | shutil.move("%s/grub.cfg" % cr_workdir, |
| 168 | "%s/hdd/boot/EFI/BOOT/grub.cfg" % cr_workdir) |
| 169 | elif source_params['loader'] == 'gummiboot': |
| 170 | cp_cmd = "cp %s/EFI/BOOT/* %s/EFI/BOOT" % (bootimg_dir, hdddir) |
| 171 | exec_cmd(cp_cmd, True) |
| 172 | else: |
| 173 | msger.error("unrecognized bootimg-efi loader: %s" % source_params['loader']) |
| 174 | except KeyError: |
| 175 | msger.error("bootimg-efi requires a loader, none specified") |
| 176 | |
| 177 | du_cmd = "du -bks %s" % hdddir |
| 178 | out = exec_cmd(du_cmd) |
| 179 | blocks = int(out.split()[0]) |
| 180 | |
| 181 | extra_blocks = part.get_extra_block_count(blocks) |
| 182 | |
| 183 | if extra_blocks < BOOTDD_EXTRA_SPACE: |
| 184 | extra_blocks = BOOTDD_EXTRA_SPACE |
| 185 | |
| 186 | blocks += extra_blocks |
| 187 | |
| 188 | msger.debug("Added %d extra blocks to %s to get to %d total blocks" % \ |
| 189 | (extra_blocks, part.mountpoint, blocks)) |
| 190 | |
| 191 | # Ensure total sectors is an integral number of sectors per |
| 192 | # track or mcopy will complain. Sectors are 512 bytes, and we |
| 193 | # generate images with 32 sectors per track. This calculation is |
| 194 | # done in blocks, thus the mod by 16 instead of 32. |
| 195 | blocks += (16 - (blocks % 16)) |
| 196 | |
| 197 | # dosfs image, created by mkdosfs |
| 198 | bootimg = "%s/boot.img" % cr_workdir |
| 199 | |
| 200 | dosfs_cmd = "mkdosfs -n efi -C %s %d" % (bootimg, blocks) |
| 201 | exec_native_cmd(dosfs_cmd, native_sysroot) |
| 202 | |
| 203 | mcopy_cmd = "mcopy -i %s -s %s/* ::/" % (bootimg, hdddir) |
| 204 | exec_native_cmd(mcopy_cmd, native_sysroot) |
| 205 | |
| 206 | chmod_cmd = "chmod 644 %s" % bootimg |
| 207 | exec_cmd(chmod_cmd) |
| 208 | |
| 209 | du_cmd = "du -Lbks %s" % bootimg |
| 210 | out = exec_cmd(du_cmd) |
| 211 | bootimg_size = out.split()[0] |
| 212 | |
| 213 | part.set_size(bootimg_size) |
| 214 | part.set_source_file(bootimg) |