[OE-core] [PATCH 2/3] bootimg.bbclass: merge it into image-live.bbclass
Robert Yang
liezhi.yang at windriver.com
Tue Mar 29 07:59:08 UTC 2016
They are doing the same things: create live images, merge them into one
bbclass makes it easy to understand.
Signed-off-by: Robert Yang <liezhi.yang at windriver.com>
---
meta/classes/bootimg.bbclass | 304 ---------------------------------------
meta/classes/gummiboot.bbclass | 2 +-
meta/classes/image-live.bbclass | 308 +++++++++++++++++++++++++++++++++++++++-
meta/classes/image-vm.bbclass | 2 +-
4 files changed, 304 insertions(+), 312 deletions(-)
delete mode 100644 meta/classes/bootimg.bbclass
diff --git a/meta/classes/bootimg.bbclass b/meta/classes/bootimg.bbclass
deleted file mode 100644
index d9ed7db..0000000
--- a/meta/classes/bootimg.bbclass
+++ /dev/null
@@ -1,304 +0,0 @@
-# Copyright (C) 2004, Advanced Micro Devices, Inc. All Rights Reserved
-# Released under the MIT license (see packages/COPYING)
-
-# Creates a bootable image using syslinux, your kernel and an optional
-# initrd
-
-#
-# End result is two things:
-#
-# 1. A .hddimg file which is an msdos filesystem containing syslinux, a kernel,
-# an initrd and a rootfs image. These can be written to harddisks directly and
-# also booted on USB flash disks (write them there with dd).
-#
-# 2. A CD .iso image
-
-# 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
-# an hdd)
-
-# External variables (also used by syslinux.bbclass)
-# ${INITRD} - indicates a list of filesystem images to concatenate and use as an initrd (optional)
-# ${COMPRESSISO} - Transparent compress ISO, reduce size ~40% if set to 1
-# ${NOISO} - skip building the ISO image if set to 1
-# ${NOHDD} - skip building the HDD image if set to 1
-# ${HDDIMG_ID} - FAT image volume-id
-# ${ROOTFS} - indicates a filesystem image to include as the root filesystem (optional)
-
-do_bootimg[depends] += "dosfstools-native:do_populate_sysroot \
- mtools-native:do_populate_sysroot \
- cdrtools-native:do_populate_sysroot \
- virtual/kernel:do_deploy \
- ${@oe.utils.ifelse(d.getVar('COMPRESSISO', False),'zisofs-tools-native:do_populate_sysroot','')}"
-
-PACKAGES = " "
-EXCLUDE_FROM_WORLD = "1"
-
-HDDDIR = "${S}/hddimg"
-ISODIR = "${S}/iso"
-EFIIMGDIR = "${S}/efi_img"
-COMPACT_ISODIR = "${S}/iso.z"
-COMPRESSISO ?= "0"
-
-ISOLINUXDIR ?= "/isolinux"
-ISO_BOOTIMG = "isolinux/isolinux.bin"
-ISO_BOOTCAT = "isolinux/boot.cat"
-MKISOFS_OPTIONS = "-no-emul-boot -boot-load-size 4 -boot-info-table"
-
-BOOTIMG_VOLUME_ID ?= "boot"
-BOOTIMG_EXTRA_SPACE ?= "512"
-
-EFI = "${@bb.utils.contains("MACHINE_FEATURES", "efi", "1", "0", d)}"
-EFI_PROVIDER ?= "grub-efi"
-EFI_CLASS = "${@bb.utils.contains("MACHINE_FEATURES", "efi", "${EFI_PROVIDER}", "", d)}"
-
-KERNEL_IMAGETYPE ??= "bzImage"
-
-# 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):
- pcbios = bb.utils.contains("MACHINE_FEATURES", "pcbios", "1", "0", d)
- if pcbios == "0":
- pcbios = bb.utils.contains("MACHINE_FEATURES", "efi", "0", "1", d)
- return pcbios
-
-PCBIOS = "${@pcbios(d)}"
-PCBIOS_CLASS = "${@['','syslinux'][d.getVar('PCBIOS', True) == '1']}"
-
-inherit ${EFI_CLASS}
-inherit ${PCBIOS_CLASS}
-
-populate() {
- DEST=$1
- install -d ${DEST}
-
- # Install kernel, initrd, and rootfs.img in DEST for all loaders to use.
- install -m 0644 ${DEPLOY_DIR_IMAGE}/${KERNEL_IMAGETYPE} ${DEST}/vmlinuz
-
- # initrd is made of concatenation of multiple filesystem images
- if [ -n "${INITRD}" ]; then
- rm -f ${DEST}/initrd
- for fs in ${INITRD}
- do
- if [ -s "${fs}" ]; then
- cat ${fs} >> ${DEST}/initrd
- else
- bbfatal "${fs} is invalid. initrd image creation failed."
- fi
- done
- chmod 0644 ${DEST}/initrd
- fi
-
- if [ -n "${ROOTFS}" ] && [ -s "${ROOTFS}" ]; then
- install -m 0644 ${ROOTFS} ${DEST}/rootfs.img
- fi
-
-}
-
-build_iso() {
- # Only create an ISO if we have an INITRD and NOISO was not set
- if [ -z "${INITRD}" ] || [ "${NOISO}" = "1" ]; then
- bbnote "ISO image will not be created."
- return
- fi
- # ${INITRD} is a list of multiple filesystem images
- for fs in ${INITRD}
- do
- if [ ! -s "${fs}" ]; then
- bbnote "ISO image will not be created. ${fs} is invalid."
- return
- fi
- done
-
-
- populate ${ISODIR}
-
- if [ "${PCBIOS}" = "1" ]; then
- syslinux_iso_populate ${ISODIR}
- fi
- if [ "${EFI}" = "1" ]; then
- efi_iso_populate ${ISODIR}
- build_fat_img ${EFIIMGDIR} ${ISODIR}/efi.img
- fi
-
- # EFI only
- if [ "${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
-
- 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
-
- # Check the size of ${ISODIR}/rootfs.img, use mkisofs -iso-level 3
- # when it exceeds 3.8GB, the specification is 4G - 1 bytes, we need
- # leave a few space for other files.
- mkisofs_iso_level=""
-
- if [ -n "${ROOTFS}" ] && [ -s "${ROOTFS}" ]; then
- rootfs_img_size=`stat -c '%s' ${ISODIR}/rootfs.img`
- # 4080218931 = 3.8 * 1024 * 1024 * 1024
- if [ $rootfs_img_size -gt 4080218931 ]; then
- bbnote "${ISODIR}/rootfs.img execeeds 3.8GB, using '-iso-level 3' for mkisofs"
- mkisofs_iso_level="-iso-level 3"
- fi
- fi
-
- if [ "${PCBIOS}" = "1" ] && [ "${EFI}" != "1" ] ; then
- # PCBIOS only media
- mkisofs -V ${BOOTIMG_VOLUME_ID} \
- -o ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.iso \
- -b ${ISO_BOOTIMG} -c ${ISO_BOOTCAT} \
- $mkisofs_compress_opts \
- ${MKISOFS_OPTIONS} $mkisofs_iso_level ${ISODIR}
- else
- # EFI only OR EFI+PCBIOS
- mkisofs -A ${BOOTIMG_VOLUME_ID} -V ${BOOTIMG_VOLUME_ID} \
- -o ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.iso \
- -b ${ISO_BOOTIMG} -c ${ISO_BOOTCAT} \
- $mkisofs_compress_opts ${MKISOFS_OPTIONS} $mkisofs_iso_level \
- -eltorito-alt-boot -eltorito-platform efi \
- -b efi.img -no-emul-boot \
- ${ISODIR}
- isohybrid_args="-u"
- fi
-
- isohybrid $isohybrid_args ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.iso
-}
-
-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 will fail if ${FATIMG} exists. Since we are creating an
- # new image, it is safe to delete any previous image.
- if [ -e ${FATIMG} ]; then
- rm ${FATIMG}
- fi
-
- if [ -z "${HDDIMG_ID}" ]; then
- mkdosfs ${FATSIZE} -n ${BOOTIMG_VOLUME_ID} -S 512 -C ${FATIMG} \
- ${BLOCKS}
- else
- mkdosfs ${FATSIZE} -n ${BOOTIMG_VOLUME_ID} -S 512 -C ${FATIMG} \
- ${BLOCKS} -i ${HDDIMG_ID}
- fi
-
- # Copy FATSOURCEDIR recursively into the image file directly
- mcopy -i ${FATIMG} -s ${FATSOURCEDIR}/* ::/
-}
-
-build_hddimg() {
- # Create an HDD image
- if [ "${NOHDD}" != "1" ] ; then
- populate ${HDDDIR}
-
- if [ "${PCBIOS}" = "1" ]; then
- syslinux_hddimg_populate ${HDDDIR}
- fi
- if [ "${EFI}" = "1" ]; then
- efi_hddimg_populate ${HDDDIR}
- fi
-
- # Check the size of ${HDDDIR}/rootfs.img, error out if it
- # exceeds 4GB, it is the single file's max size of FAT fs.
- if [ -f ${HDDDIR}/rootfs.img ]; then
- rootfs_img_size=`stat -c '%s' ${HDDDIR}/rootfs.img`
- max_size=`expr 4 \* 1024 \* 1024 \* 1024`
- if [ $rootfs_img_size -gt $max_size ]; then
- bberror "${HDDDIR}/rootfs.img execeeds 4GB,"
- bberror "this doesn't work on FAT filesystem, you can try either of:"
- bberror "1) Reduce the size of rootfs.img"
- bbfatal "2) Use iso, vmdk or vdi to instead of hddimg\n"
- fi
- fi
-
- build_fat_img ${HDDDIR} ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.hddimg
-
- if [ "${PCBIOS}" = "1" ]; then
- syslinux_hddimg_install
- fi
-
- chmod 644 ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.hddimg
- fi
-}
-
-python do_bootimg() {
- set_live_vm_vars(d, 'LIVE')
- 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_efi_cfg', d)
- bb.build.exec_func('build_hddimg', d)
- bb.build.exec_func('build_iso', d)
- bb.build.exec_func('create_symlinks', d)
-}
-do_bootimg[subimages] = "hddimg iso"
-do_bootimg[imgsuffix] = "."
-
-IMAGE_TYPEDEP_iso = "ext4"
-IMAGE_TYPEDEP_hddimg = "ext4"
-IMAGE_TYPES_MASKED += "iso hddimg"
-
-addtask bootimg before do_image_complete
diff --git a/meta/classes/gummiboot.bbclass b/meta/classes/gummiboot.bbclass
index 9a97ac1..1ebb946 100644
--- a/meta/classes/gummiboot.bbclass
+++ b/meta/classes/gummiboot.bbclass
@@ -4,7 +4,7 @@
# gummiboot.bbclass - equivalent of grub-efi.bbclass
# Set EFI_PROVIDER = "gummiboot" to use gummiboot on your live images instead of grub-efi
-# (images built by bootimage.bbclass or boot-directdisk.bbclass)
+# (images built by image-live.bbclass or image-vm.bbclass)
do_bootimg[depends] += "${MLPREFIX}gummiboot:do_deploy"
do_bootdirectdisk[depends] += "${MLPREFIX}gummiboot:do_deploy"
diff --git a/meta/classes/image-live.bbclass b/meta/classes/image-live.bbclass
index 05e416a..9c725c0 100644
--- a/meta/classes/image-live.bbclass
+++ b/meta/classes/image-live.bbclass
@@ -1,15 +1,46 @@
+# Copyright (C) 2004, Advanced Micro Devices, Inc. All Rights Reserved
+# Released under the MIT license (see packages/COPYING)
+# Creates a bootable image using syslinux, your kernel and an optional
+# initrd
+
+#
+# End result is two things:
+#
+# 1. A .hddimg file which is an msdos filesystem containing syslinux, a kernel,
+# an initrd and a rootfs image. These can be written to harddisks directly and
+# also booted on USB flash disks (write them there with dd).
+#
+# 2. A CD .iso image
+
+# 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
+# an hdd)
+
+# External variables (also used by syslinux.bbclass)
+# ${INITRD} - indicates a list of filesystem images to concatenate and use as an initrd (optional)
+# ${COMPRESSISO} - Transparent compress ISO, reduce size ~40% if set to 1
+# ${NOISO} - skip building the ISO image if set to 1
+# ${NOHDD} - skip building the HDD image if set to 1
+# ${HDDIMG_ID} - FAT image volume-id
+# ${ROOTFS} - indicates a filesystem image to include as the root filesystem (optional)
+
+do_bootimg[depends] += "dosfstools-native:do_populate_sysroot \
+ mtools-native:do_populate_sysroot \
+ cdrtools-native:do_populate_sysroot \
+ virtual/kernel:do_deploy \
+ ${@oe.utils.ifelse(d.getVar('COMPRESSISO', False),'zisofs-tools-native:do_populate_sysroot','')} \
+ ${PN}:do_image_ext4 \
+ "
+
+
+LABELS_LIVE ?= "boot install"
+ROOT_LIVE ?= "root=/dev/ram0"
INITRD_IMAGE_LIVE ?= "core-image-minimal-initramfs"
INITRD_LIVE ?= "${DEPLOY_DIR_IMAGE}/${INITRD_IMAGE_LIVE}-${MACHINE}.cpio.gz"
-ROOT_LIVE ?= "root=/dev/ram0"
-LABELS_LIVE ?= "boot install"
ROOTFS ?= "${DEPLOY_DIR_IMAGE}/${IMAGE_LINK_NAME}.ext4"
-do_bootimg[depends] += "${PN}:do_image_ext4"
-
-inherit bootimg
-
IMAGE_TYPEDEP_live = "ext4"
IMAGE_TYPEDEP_iso = "ext4"
IMAGE_TYPEDEP_hddimg = "ext4"
@@ -24,3 +55,268 @@ python() {
else:
d.appendVarFlag('do_bootimg', 'depends', ' %s:do_image_complete' % initrd_i)
}
+
+HDDDIR = "${S}/hddimg"
+ISODIR = "${S}/iso"
+EFIIMGDIR = "${S}/efi_img"
+COMPACT_ISODIR = "${S}/iso.z"
+COMPRESSISO ?= "0"
+
+ISOLINUXDIR ?= "/isolinux"
+ISO_BOOTIMG = "isolinux/isolinux.bin"
+ISO_BOOTCAT = "isolinux/boot.cat"
+MKISOFS_OPTIONS = "-no-emul-boot -boot-load-size 4 -boot-info-table"
+
+BOOTIMG_VOLUME_ID ?= "boot"
+BOOTIMG_EXTRA_SPACE ?= "512"
+
+EFI = "${@bb.utils.contains("MACHINE_FEATURES", "efi", "1", "0", d)}"
+EFI_PROVIDER ?= "grub-efi"
+EFI_CLASS = "${@bb.utils.contains("MACHINE_FEATURES", "efi", "${EFI_PROVIDER}", "", d)}"
+
+KERNEL_IMAGETYPE ??= "bzImage"
+
+# 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):
+ pcbios = bb.utils.contains("MACHINE_FEATURES", "pcbios", "1", "0", d)
+ if pcbios == "0":
+ pcbios = bb.utils.contains("MACHINE_FEATURES", "efi", "0", "1", d)
+ return pcbios
+
+PCBIOS = "${@pcbios(d)}"
+PCBIOS_CLASS = "${@['','syslinux'][d.getVar('PCBIOS', True) == '1']}"
+
+inherit ${EFI_CLASS}
+inherit ${PCBIOS_CLASS}
+
+populate() {
+ DEST=$1
+ install -d ${DEST}
+
+ # Install kernel, initrd, and rootfs.img in DEST for all loaders to use.
+ install -m 0644 ${DEPLOY_DIR_IMAGE}/${KERNEL_IMAGETYPE} ${DEST}/vmlinuz
+
+ # initrd is made of concatenation of multiple filesystem images
+ if [ -n "${INITRD}" ]; then
+ rm -f ${DEST}/initrd
+ for fs in ${INITRD}
+ do
+ if [ -s "${fs}" ]; then
+ cat ${fs} >> ${DEST}/initrd
+ else
+ bbfatal "${fs} is invalid. initrd image creation failed."
+ fi
+ done
+ chmod 0644 ${DEST}/initrd
+ fi
+
+ if [ -n "${ROOTFS}" ] && [ -s "${ROOTFS}" ]; then
+ install -m 0644 ${ROOTFS} ${DEST}/rootfs.img
+ fi
+
+}
+
+build_iso() {
+ # Only create an ISO if we have an INITRD and NOISO was not set
+ if [ -z "${INITRD}" ] || [ "${NOISO}" = "1" ]; then
+ bbnote "ISO image will not be created."
+ return
+ fi
+ # ${INITRD} is a list of multiple filesystem images
+ for fs in ${INITRD}
+ do
+ if [ ! -s "${fs}" ]; then
+ bbnote "ISO image will not be created. ${fs} is invalid."
+ return
+ fi
+ done
+
+
+ populate ${ISODIR}
+
+ if [ "${PCBIOS}" = "1" ]; then
+ syslinux_iso_populate ${ISODIR}
+ fi
+ if [ "${EFI}" = "1" ]; then
+ efi_iso_populate ${ISODIR}
+ build_fat_img ${EFIIMGDIR} ${ISODIR}/efi.img
+ fi
+
+ # EFI only
+ if [ "${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
+
+ 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
+
+ # Check the size of ${ISODIR}/rootfs.img, use mkisofs -iso-level 3
+ # when it exceeds 3.8GB, the specification is 4G - 1 bytes, we need
+ # leave a few space for other files.
+ mkisofs_iso_level=""
+
+ if [ -n "${ROOTFS}" ] && [ -s "${ROOTFS}" ]; then
+ rootfs_img_size=`stat -c '%s' ${ISODIR}/rootfs.img`
+ # 4080218931 = 3.8 * 1024 * 1024 * 1024
+ if [ $rootfs_img_size -gt 4080218931 ]; then
+ bbnote "${ISODIR}/rootfs.img execeeds 3.8GB, using '-iso-level 3' for mkisofs"
+ mkisofs_iso_level="-iso-level 3"
+ fi
+ fi
+
+ if [ "${PCBIOS}" = "1" ] && [ "${EFI}" != "1" ] ; then
+ # PCBIOS only media
+ mkisofs -V ${BOOTIMG_VOLUME_ID} \
+ -o ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.iso \
+ -b ${ISO_BOOTIMG} -c ${ISO_BOOTCAT} \
+ $mkisofs_compress_opts \
+ ${MKISOFS_OPTIONS} $mkisofs_iso_level ${ISODIR}
+ else
+ # EFI only OR EFI+PCBIOS
+ mkisofs -A ${BOOTIMG_VOLUME_ID} -V ${BOOTIMG_VOLUME_ID} \
+ -o ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.iso \
+ -b ${ISO_BOOTIMG} -c ${ISO_BOOTCAT} \
+ $mkisofs_compress_opts ${MKISOFS_OPTIONS} $mkisofs_iso_level \
+ -eltorito-alt-boot -eltorito-platform efi \
+ -b efi.img -no-emul-boot \
+ ${ISODIR}
+ isohybrid_args="-u"
+ fi
+
+ isohybrid $isohybrid_args ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.iso
+}
+
+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 will fail if ${FATIMG} exists. Since we are creating an
+ # new image, it is safe to delete any previous image.
+ if [ -e ${FATIMG} ]; then
+ rm ${FATIMG}
+ fi
+
+ if [ -z "${HDDIMG_ID}" ]; then
+ mkdosfs ${FATSIZE} -n ${BOOTIMG_VOLUME_ID} -S 512 -C ${FATIMG} \
+ ${BLOCKS}
+ else
+ mkdosfs ${FATSIZE} -n ${BOOTIMG_VOLUME_ID} -S 512 -C ${FATIMG} \
+ ${BLOCKS} -i ${HDDIMG_ID}
+ fi
+
+ # Copy FATSOURCEDIR recursively into the image file directly
+ mcopy -i ${FATIMG} -s ${FATSOURCEDIR}/* ::/
+}
+
+build_hddimg() {
+ # Create an HDD image
+ if [ "${NOHDD}" != "1" ] ; then
+ populate ${HDDDIR}
+
+ if [ "${PCBIOS}" = "1" ]; then
+ syslinux_hddimg_populate ${HDDDIR}
+ fi
+ if [ "${EFI}" = "1" ]; then
+ efi_hddimg_populate ${HDDDIR}
+ fi
+
+ # Check the size of ${HDDDIR}/rootfs.img, error out if it
+ # exceeds 4GB, it is the single file's max size of FAT fs.
+ if [ -f ${HDDDIR}/rootfs.img ]; then
+ rootfs_img_size=`stat -c '%s' ${HDDDIR}/rootfs.img`
+ max_size=`expr 4 \* 1024 \* 1024 \* 1024`
+ if [ $rootfs_img_size -gt $max_size ]; then
+ bberror "${HDDDIR}/rootfs.img execeeds 4GB,"
+ bberror "this doesn't work on FAT filesystem, you can try either of:"
+ bberror "1) Reduce the size of rootfs.img"
+ bbfatal "2) Use iso, vmdk or vdi to instead of hddimg\n"
+ fi
+ fi
+
+ build_fat_img ${HDDDIR} ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.hddimg
+
+ if [ "${PCBIOS}" = "1" ]; then
+ syslinux_hddimg_install
+ fi
+
+ chmod 644 ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.hddimg
+ fi
+}
+
+python do_bootimg() {
+ set_live_vm_vars(d, 'LIVE')
+ 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_efi_cfg', d)
+ bb.build.exec_func('build_hddimg', d)
+ bb.build.exec_func('build_iso', d)
+ bb.build.exec_func('create_symlinks', d)
+}
+do_bootimg[subimages] = "hddimg iso"
+do_bootimg[imgsuffix] = "."
+
+addtask bootimg before do_image_complete
diff --git a/meta/classes/image-vm.bbclass b/meta/classes/image-vm.bbclass
index 68cf89b..ced8eac 100644
--- a/meta/classes/image-vm.bbclass
+++ b/meta/classes/image-vm.bbclass
@@ -1,5 +1,5 @@
# image-vm.bbclass
-# (loosly based off bootimg.bbclass Copyright (C) 2004, Advanced Micro Devices, Inc.)
+# (loosly based off image-live.bbclass Copyright (C) 2004, Advanced Micro Devices, Inc.)
#
# Create an image which can be placed directly onto a harddisk using dd and then
# booted.
--
2.7.4
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