2007-06-08 08:39:22 +00:00
|
|
|
# Copyright (C) 2004, Advanced Micro Devices, Inc. All Rights Reserved
|
|
|
|
# Released under the MIT license (see packages/COPYING)
|
|
|
|
|
2010-03-25 11:36:40 +00:00
|
|
|
# Creates a bootable image using syslinux, your kernel and an optional
|
2007-06-08 08:39:22 +00:00
|
|
|
# initrd
|
|
|
|
|
2010-03-25 11:36:40 +00:00
|
|
|
#
|
|
|
|
# End result is two things:
|
|
|
|
#
|
2011-10-02 17:20:38 +00:00
|
|
|
# 1. A .hddimg file which is an msdos filesystem containing syslinux, a kernel,
|
2012-02-02 00:15:04 +00:00
|
|
|
# an initrd and a rootfs image. These can be written to harddisks directly and
|
2010-03-25 11:36:40 +00:00
|
|
|
# also booted on USB flash disks (write them there with dd).
|
|
|
|
#
|
|
|
|
# 2. A CD .iso image
|
|
|
|
|
2012-02-02 00:15:04 +00:00
|
|
|
# Boot process is that the initrd will boot and process which label was selected
|
|
|
|
# in syslinux. Actions based on the label are then performed (e.g. installing to
|
2010-03-25 11:36:40 +00:00
|
|
|
# an hdd)
|
|
|
|
|
2011-11-24 00:41:32 +00:00
|
|
|
# External variables (also used by syslinux.bbclass)
|
2007-06-08 08:39:22 +00:00
|
|
|
# ${INITRD} - indicates a filesystem image to use as an initrd (optional)
|
2013-09-17 13:32:18 +00:00
|
|
|
# ${COMPRESSISO} - Transparent compress ISO, reduce size ~40% if set to 1
|
2011-11-24 00:41:32 +00:00
|
|
|
# ${NOISO} - skip building the ISO image if set to 1
|
2013-05-08 08:13:58 +00:00
|
|
|
# ${NOHDD} - skip building the HDD image if set to 1
|
2010-03-25 11:36:40 +00:00
|
|
|
# ${ROOTFS} - indicates a filesystem image to include as the root filesystem (optional)
|
2007-06-08 08:39:22 +00:00
|
|
|
|
2009-11-10 14:55:23 +00:00
|
|
|
do_bootimg[depends] += "dosfstools-native:do_populate_sysroot \
|
2011-11-24 00:41:32 +00:00
|
|
|
mtools-native:do_populate_sysroot \
|
2013-09-17 13:32:18 +00:00
|
|
|
cdrtools-native:do_populate_sysroot \
|
|
|
|
${@oe.utils.ifelse(d.getVar('COMPRESSISO'),'zisofs-tools-native:do_populate_sysroot','')}"
|
2007-06-08 08:39:22 +00:00
|
|
|
|
2007-06-08 20:45:44 +00:00
|
|
|
PACKAGES = " "
|
2010-03-25 11:36:40 +00:00
|
|
|
EXCLUDE_FROM_WORLD = "1"
|
2007-06-08 20:45:44 +00:00
|
|
|
|
2012-02-02 00:15:04 +00:00
|
|
|
HDDDIR = "${S}/hddimg"
|
|
|
|
ISODIR = "${S}/iso"
|
2013-09-17 13:32:14 +00:00
|
|
|
EFIIMGDIR = "${S}/efi_img"
|
2013-09-17 13:32:18 +00:00
|
|
|
COMPACT_ISODIR = "${S}/iso.z"
|
|
|
|
COMPRESSISO ?= "0"
|
2007-06-08 08:39:22 +00:00
|
|
|
|
2010-03-25 11:36:40 +00:00
|
|
|
BOOTIMG_VOLUME_ID ?= "boot"
|
2008-09-10 21:19:19 +00:00
|
|
|
BOOTIMG_EXTRA_SPACE ?= "512"
|
2007-06-08 08:39:22 +00:00
|
|
|
|
2012-02-28 16:45:55 +00:00
|
|
|
EFI = "${@base_contains("MACHINE_FEATURES", "efi", "1", "0", d)}"
|
2012-12-06 11:36:39 +00:00
|
|
|
EFI_CLASS = "${@base_contains("MACHINE_FEATURES", "efi", "grub-efi", "", d)}"
|
2011-11-24 01:56:12 +00:00
|
|
|
|
2011-11-24 07:35:43 +00:00
|
|
|
# Include legacy boot if MACHINE_FEATURES includes "pcbios" or if it does not
|
|
|
|
# contain "efi". This way legacy is supported by default if neither is
|
|
|
|
# specified, maintaining the original behavior.
|
|
|
|
def pcbios(d):
|
2012-07-11 17:33:43 +00:00
|
|
|
pcbios = base_contains("MACHINE_FEATURES", "pcbios", "1", "0", d)
|
|
|
|
if pcbios == "0":
|
|
|
|
pcbios = base_contains("MACHINE_FEATURES", "efi", "0", "1", d)
|
|
|
|
return pcbios
|
2011-11-24 07:35:43 +00:00
|
|
|
|
2012-02-28 16:45:55 +00:00
|
|
|
PCBIOS = "${@pcbios(d)}"
|
2011-11-24 07:35:43 +00:00
|
|
|
|
2013-09-17 13:32:14 +00:00
|
|
|
# The syslinux is required for the isohybrid command and boot catalog
|
|
|
|
inherit syslinux
|
2011-11-24 01:56:12 +00:00
|
|
|
inherit ${EFI_CLASS}
|
|
|
|
|
2012-02-02 00:15:04 +00:00
|
|
|
populate() {
|
|
|
|
DEST=$1
|
|
|
|
install -d ${DEST}
|
|
|
|
|
|
|
|
# Install bzImage, initrd, and rootfs.img in DEST for all loaders to use.
|
2012-07-05 18:08:59 +00:00
|
|
|
install -m 0644 ${STAGING_KERNEL_DIR}/bzImage ${DEST}/vmlinuz
|
2012-02-02 00:15:04 +00:00
|
|
|
|
|
|
|
if [ -n "${INITRD}" ] && [ -s "${INITRD}" ]; then
|
|
|
|
install -m 0644 ${INITRD} ${DEST}/initrd
|
|
|
|
fi
|
|
|
|
|
|
|
|
if [ -n "${ROOTFS}" ] && [ -s "${ROOTFS}" ]; then
|
|
|
|
install -m 0644 ${ROOTFS} ${DEST}/rootfs.img
|
|
|
|
fi
|
|
|
|
|
|
|
|
}
|
2011-11-24 00:41:32 +00:00
|
|
|
|
2011-11-24 00:01:21 +00:00
|
|
|
build_iso() {
|
|
|
|
# Only create an ISO if we have an INITRD and NOISO was not set
|
|
|
|
if [ -z "${INITRD}" ] || [ ! -s "${INITRD}" ] || [ "${NOISO}" = "1" ]; then
|
|
|
|
bbnote "ISO image will not be created."
|
|
|
|
return
|
|
|
|
fi
|
|
|
|
|
2012-02-02 00:15:04 +00:00
|
|
|
populate ${ISODIR}
|
2011-11-24 00:01:21 +00:00
|
|
|
|
2011-11-24 07:35:43 +00:00
|
|
|
if [ "${PCBIOS}" = "1" ]; then
|
2013-09-17 13:32:17 +00:00
|
|
|
syslinux_iso_populate ${ISODIR}
|
2011-11-24 07:35:43 +00:00
|
|
|
fi
|
2011-11-24 01:56:12 +00:00
|
|
|
if [ "${EFI}" = "1" ]; then
|
2013-09-17 13:32:17 +00:00
|
|
|
grubefi_iso_populate ${ISODIR}
|
2013-09-17 13:32:14 +00:00
|
|
|
build_fat_img ${EFIIMGDIR} ${ISODIR}/efi.img
|
2011-11-24 01:56:12 +00:00
|
|
|
fi
|
2011-11-24 00:01:21 +00:00
|
|
|
|
2013-09-17 13:32:14 +00:00
|
|
|
# EFI only
|
|
|
|
if [ "${PCBIOS}" != "1" ] && [ "${EFI}" = "1" ] ; then
|
|
|
|
# Work around bug in isohybrid where it requires isolinux.bin
|
|
|
|
# In the boot catalog, even though it is not used
|
|
|
|
mkdir -p ${ISODIR}/${ISOLINUXDIR}
|
|
|
|
install -m 0644 ${STAGING_DATADIR}/syslinux/isolinux.bin ${ISODIR}${ISOLINUXDIR}
|
|
|
|
fi
|
|
|
|
|
2013-09-17 13:32:18 +00:00
|
|
|
if [ "${COMPRESSISO}" = "1" ] ; then
|
|
|
|
# create compact directory, compress iso
|
|
|
|
mkdir -p ${COMPACT_ISODIR}
|
|
|
|
mkzftree -z 9 -p 4 -F ${ISODIR}/rootfs.img ${COMPACT_ISODIR}/rootfs.img
|
|
|
|
|
|
|
|
# move compact iso to iso, then remove compact directory
|
|
|
|
mv ${COMPACT_ISODIR}/rootfs.img ${ISODIR}/rootfs.img
|
|
|
|
rm -Rf ${COMPACT_ISODIR}
|
|
|
|
mkisofs_compress_opts="-R -z -D -l"
|
|
|
|
else
|
|
|
|
mkisofs_compress_opts="-r"
|
|
|
|
fi
|
|
|
|
|
2013-09-17 13:32:14 +00:00
|
|
|
if [ "${PCBIOS}" = "1" ] && [ "${EFI}" != "1" ] ; then
|
|
|
|
# PCBIOS only media
|
2011-11-24 07:35:43 +00:00
|
|
|
mkisofs -V ${BOOTIMG_VOLUME_ID} \
|
|
|
|
-o ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.iso \
|
2013-09-17 13:32:18 +00:00
|
|
|
-b ${ISO_BOOTIMG} -c ${ISO_BOOTCAT} \
|
|
|
|
$mkisofs_compress_opts \
|
2011-11-24 07:35:43 +00:00
|
|
|
${MKISOFS_OPTIONS} ${ISODIR}
|
|
|
|
else
|
2013-09-17 13:32:14 +00:00
|
|
|
# EFI only OR EFI+PCBIOS
|
|
|
|
mkisofs -A ${BOOTIMG_VOLUME_ID} -V ${BOOTIMG_VOLUME_ID} \
|
2011-11-24 07:35:43 +00:00
|
|
|
-o ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.iso \
|
2013-09-17 13:32:14 +00:00
|
|
|
-b ${ISO_BOOTIMG} -c ${ISO_BOOTCAT} \
|
2013-09-17 13:32:18 +00:00
|
|
|
$mkisofs_compress_opts ${MKISOFS_OPTIONS} \
|
2013-09-17 13:32:14 +00:00
|
|
|
-eltorito-alt-boot -eltorito-platform efi \
|
|
|
|
-b efi.img -no-emul-boot \
|
|
|
|
${ISODIR}
|
|
|
|
isohybrid_args="-u"
|
2011-11-24 07:35:43 +00:00
|
|
|
fi
|
2011-11-24 00:01:21 +00:00
|
|
|
|
2013-09-17 13:32:14 +00:00
|
|
|
isohybrid $isohybrid_args ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.iso
|
2012-04-19 21:54:25 +00:00
|
|
|
|
2011-11-24 00:01:21 +00:00
|
|
|
cd ${DEPLOY_DIR_IMAGE}
|
|
|
|
rm -f ${DEPLOY_DIR_IMAGE}/${IMAGE_LINK_NAME}.iso
|
|
|
|
ln -s ${IMAGE_NAME}.iso ${DEPLOY_DIR_IMAGE}/${IMAGE_LINK_NAME}.iso
|
|
|
|
}
|
|
|
|
|
2013-09-14 00:08:57 +00:00
|
|
|
build_fat_img() {
|
|
|
|
FATSOURCEDIR=$1
|
|
|
|
FATIMG=$2
|
|
|
|
|
|
|
|
# Calculate the size required for the final image including the
|
|
|
|
# data and filesystem overhead.
|
|
|
|
# Sectors: 512 bytes
|
|
|
|
# Blocks: 1024 bytes
|
|
|
|
|
|
|
|
# Determine the sector count just for the data
|
|
|
|
SECTORS=$(expr $(du --apparent-size -ks ${FATSOURCEDIR} | cut -f 1) \* 2)
|
|
|
|
|
|
|
|
# Account for the filesystem overhead. This includes directory
|
|
|
|
# entries in the clusters as well as the FAT itself.
|
|
|
|
# Assumptions:
|
|
|
|
# FAT32 (12 or 16 may be selected by mkdosfs, but the extra
|
|
|
|
# padding will be minimal on those smaller images and not
|
|
|
|
# worth the logic here to caclulate the smaller FAT sizes)
|
|
|
|
# < 16 entries per directory
|
|
|
|
# 8.3 filenames only
|
|
|
|
|
|
|
|
# 32 bytes per dir entry
|
|
|
|
DIR_BYTES=$(expr $(find ${FATSOURCEDIR} | tail -n +2 | wc -l) \* 32)
|
|
|
|
# 32 bytes for every end-of-directory dir entry
|
|
|
|
DIR_BYTES=$(expr $DIR_BYTES + $(expr $(find ${FATSOURCEDIR} -type d | tail -n +2 | wc -l) \* 32))
|
|
|
|
# 4 bytes per FAT entry per sector of data
|
|
|
|
FAT_BYTES=$(expr $SECTORS \* 4)
|
|
|
|
# 4 bytes per FAT entry per end-of-cluster list
|
|
|
|
FAT_BYTES=$(expr $FAT_BYTES + $(expr $(find ${FATSOURCEDIR} -type d | tail -n +2 | wc -l) \* 4))
|
|
|
|
|
|
|
|
# Use a ceiling function to determine FS overhead in sectors
|
|
|
|
DIR_SECTORS=$(expr $(expr $DIR_BYTES + 511) / 512)
|
|
|
|
# There are two FATs on the image
|
|
|
|
FAT_SECTORS=$(expr $(expr $(expr $FAT_BYTES + 511) / 512) \* 2)
|
|
|
|
SECTORS=$(expr $SECTORS + $(expr $DIR_SECTORS + $FAT_SECTORS))
|
|
|
|
|
|
|
|
# Determine the final size in blocks accounting for some padding
|
|
|
|
BLOCKS=$(expr $(expr $SECTORS / 2) + ${BOOTIMG_EXTRA_SPACE})
|
|
|
|
|
|
|
|
# Ensure total sectors is an integral number of sectors per
|
|
|
|
# track or mcopy will complain. Sectors are 512 bytes, and we
|
|
|
|
# generate images with 32 sectors per track. This calculation is
|
|
|
|
# done in blocks, thus the mod by 16 instead of 32.
|
|
|
|
BLOCKS=$(expr $BLOCKS + $(expr 16 - $(expr $BLOCKS % 16)))
|
|
|
|
|
|
|
|
# mkdosfs will sometimes use FAT16 when it is not appropriate,
|
|
|
|
# resulting in a boot failure from SYSLINUX. Use FAT32 for
|
|
|
|
# images larger than 512MB, otherwise let mkdosfs decide.
|
|
|
|
if [ $(expr $BLOCKS / 1024) -gt 512 ]; then
|
|
|
|
FATSIZE="-F 32"
|
|
|
|
fi
|
|
|
|
|
|
|
|
mkdosfs ${FATSIZE} -n ${BOOTIMG_VOLUME_ID} -S 512 -C ${FATIMG} ${BLOCKS}
|
|
|
|
# Copy FATSOURCEDIR recursively into the image file directly
|
|
|
|
mcopy -i ${FATIMG} -s ${FATSOURCEDIR}/* ::/
|
|
|
|
}
|
|
|
|
|
2011-11-24 00:01:21 +00:00
|
|
|
build_hddimg() {
|
2011-10-19 18:36:49 +00:00
|
|
|
# Create an HDD image
|
|
|
|
if [ "${NOHDD}" != "1" ] ; then
|
2012-02-02 00:15:04 +00:00
|
|
|
populate ${HDDDIR}
|
|
|
|
|
2011-11-24 07:35:43 +00:00
|
|
|
if [ "${PCBIOS}" = "1" ]; then
|
2013-09-17 13:32:17 +00:00
|
|
|
syslinux_hddimg_populate ${HDDDIR}
|
2011-11-24 07:35:43 +00:00
|
|
|
fi
|
2011-11-24 01:56:12 +00:00
|
|
|
if [ "${EFI}" = "1" ]; then
|
2013-09-17 13:32:17 +00:00
|
|
|
grubefi_hddimg_populate ${HDDDIR}
|
2011-11-24 01:56:12 +00:00
|
|
|
fi
|
2008-09-10 21:19:19 +00:00
|
|
|
|
2013-09-14 00:08:57 +00:00
|
|
|
build_fat_img ${HDDDIR} ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.hddimg
|
2011-11-24 00:41:32 +00:00
|
|
|
|
2011-11-24 07:35:43 +00:00
|
|
|
if [ "${PCBIOS}" = "1" ]; then
|
|
|
|
syslinux_hddimg_install
|
|
|
|
fi
|
2007-06-08 08:39:22 +00:00
|
|
|
|
2011-10-19 18:36:49 +00:00
|
|
|
chmod 644 ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.hddimg
|
2007-06-08 08:39:22 +00:00
|
|
|
|
2011-10-19 18:36:49 +00:00
|
|
|
cd ${DEPLOY_DIR_IMAGE}
|
|
|
|
rm -f ${DEPLOY_DIR_IMAGE}/${IMAGE_LINK_NAME}.hddimg
|
|
|
|
ln -s ${IMAGE_NAME}.hddimg ${DEPLOY_DIR_IMAGE}/${IMAGE_LINK_NAME}.hddimg
|
|
|
|
fi
|
2011-11-24 00:41:32 +00:00
|
|
|
}
|
2007-06-08 08:39:22 +00:00
|
|
|
|
|
|
|
python do_bootimg() {
|
2012-07-11 17:33:43 +00:00
|
|
|
if d.getVar("PCBIOS", True) == "1":
|
|
|
|
bb.build.exec_func('build_syslinux_cfg', d)
|
|
|
|
if d.getVar("EFI", True) == "1":
|
|
|
|
bb.build.exec_func('build_grub_cfg', d)
|
|
|
|
bb.build.exec_func('build_hddimg', d)
|
|
|
|
bb.build.exec_func('build_iso', d)
|
2007-06-08 08:39:22 +00:00
|
|
|
}
|
|
|
|
|
2008-03-11 12:57:09 +00:00
|
|
|
addtask bootimg before do_build
|