forked from brl/citadel
199 lines
6.2 KiB
Plaintext
199 lines
6.2 KiB
Plaintext
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# syslinux.bbclass
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# Copyright (C) 2004-2006, Advanced Micro Devices, Inc. All Rights Reserved
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# Released under the MIT license (see packages/COPYING)
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# Provide syslinux specific functions for building bootable images.
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# External variables
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# ${INITRD} - indicates a list of filesystem images to concatenate and use as an initrd (optional)
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# ${ROOTFS} - indicates a filesystem image to include as the root filesystem (optional)
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# ${AUTO_SYSLINUXMENU} - set this to 1 to enable creating an automatic menu
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# ${LABELS} - a list of targets for the automatic config
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# ${APPEND} - an override list of append strings for each label
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# ${SYSLINUX_OPTS} - additional options to add to the syslinux file ';' delimited
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# ${SYSLINUX_SPLASH} - A background for the vga boot menu if using the boot menu
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# ${SYSLINUX_DEFAULT_CONSOLE} - set to "console=ttyX" to change kernel boot default console
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# ${SYSLINUX_SERIAL} - Set an alternate serial port or turn off serial with empty string
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# ${SYSLINUX_SERIAL_TTY} - Set alternate console=tty... kernel boot argument
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# ${SYSLINUX_KERNEL_ARGS} - Add additional kernel arguments
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do_bootimg[depends] += "${MLPREFIX}syslinux:do_populate_sysroot \
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syslinux-native:do_populate_sysroot"
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ISOLINUXDIR ?= "/isolinux"
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SYSLINUXDIR = "/"
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# The kernel has an internal default console, which you can override with
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# a console=...some_tty...
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SYSLINUX_DEFAULT_CONSOLE ?= ""
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SYSLINUX_SERIAL ?= "0 115200"
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SYSLINUX_SERIAL_TTY ?= "console=ttyS0,115200"
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SYSLINUX_PROMPT ?= "0"
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SYSLINUX_TIMEOUT ?= "50"
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AUTO_SYSLINUXMENU ?= "1"
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SYSLINUX_ALLOWOPTIONS ?= "1"
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SYSLINUX_ROOT ?= "${ROOT}"
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SYSLINUX_CFG_VM ?= "${S}/syslinux_vm.cfg"
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SYSLINUX_CFG_LIVE ?= "${S}/syslinux_live.cfg"
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APPEND ?= ""
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# Need UUID utility code.
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inherit fs-uuid
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syslinux_populate() {
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DEST=$1
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BOOTDIR=$2
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CFGNAME=$3
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install -d ${DEST}${BOOTDIR}
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# Install the config files
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install -m 0644 ${SYSLINUX_CFG} ${DEST}${BOOTDIR}/${CFGNAME}
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if [ "${AUTO_SYSLINUXMENU}" = 1 ] ; then
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install -m 0644 ${STAGING_DATADIR}/syslinux/vesamenu.c32 ${DEST}${BOOTDIR}/vesamenu.c32
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install -m 0444 ${STAGING_DATADIR}/syslinux/libcom32.c32 ${DEST}${BOOTDIR}/libcom32.c32
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install -m 0444 ${STAGING_DATADIR}/syslinux/libutil.c32 ${DEST}${BOOTDIR}/libutil.c32
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if [ "${SYSLINUX_SPLASH}" != "" ] ; then
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install -m 0644 ${SYSLINUX_SPLASH} ${DEST}${BOOTDIR}/splash.lss
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fi
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fi
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}
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syslinux_iso_populate() {
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iso_dir=$1
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syslinux_populate $iso_dir ${ISOLINUXDIR} isolinux.cfg
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install -m 0644 ${STAGING_DATADIR}/syslinux/isolinux.bin $iso_dir${ISOLINUXDIR}
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install -m 0644 ${STAGING_DATADIR}/syslinux/ldlinux.c32 $iso_dir${ISOLINUXDIR}
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}
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syslinux_hddimg_populate() {
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hdd_dir=$1
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syslinux_populate $hdd_dir ${SYSLINUXDIR} syslinux.cfg
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install -m 0444 ${STAGING_DATADIR}/syslinux/ldlinux.sys $hdd_dir${SYSLINUXDIR}/ldlinux.sys
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}
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syslinux_hddimg_install() {
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syslinux ${IMGDEPLOYDIR}/${IMAGE_NAME}.hddimg
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}
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syslinux_hdddirect_install() {
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DEST=$1
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syslinux $DEST
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}
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python build_syslinux_cfg () {
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import copy
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import sys
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workdir = d.getVar('WORKDIR')
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if not workdir:
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bb.error("WORKDIR not defined, unable to package")
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return
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labels = d.getVar('LABELS')
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if not labels:
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bb.debug(1, "LABELS not defined, nothing to do")
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return
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if labels == []:
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bb.debug(1, "No labels, nothing to do")
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return
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cfile = d.getVar('SYSLINUX_CFG')
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if not cfile:
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bb.fatal('Unable to read SYSLINUX_CFG')
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try:
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cfgfile = open(cfile, 'w')
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except OSError:
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bb.fatal('Unable to open %s' % cfile)
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cfgfile.write('# Automatically created by OE\n')
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opts = d.getVar('SYSLINUX_OPTS')
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if opts:
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for opt in opts.split(';'):
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cfgfile.write('%s\n' % opt)
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allowoptions = d.getVar('SYSLINUX_ALLOWOPTIONS')
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if allowoptions:
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cfgfile.write('ALLOWOPTIONS %s\n' % allowoptions)
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else:
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cfgfile.write('ALLOWOPTIONS 1\n')
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syslinux_default_console = d.getVar('SYSLINUX_DEFAULT_CONSOLE')
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syslinux_serial_tty = d.getVar('SYSLINUX_SERIAL_TTY')
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syslinux_serial = d.getVar('SYSLINUX_SERIAL')
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if syslinux_serial:
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cfgfile.write('SERIAL %s\n' % syslinux_serial)
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menu = (d.getVar('AUTO_SYSLINUXMENU') == "1")
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if menu and syslinux_serial:
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cfgfile.write('DEFAULT Graphics console %s\n' % (labels.split()[0]))
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else:
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cfgfile.write('DEFAULT %s\n' % (labels.split()[0]))
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timeout = d.getVar('SYSLINUX_TIMEOUT')
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if timeout:
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cfgfile.write('TIMEOUT %s\n' % timeout)
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else:
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cfgfile.write('TIMEOUT 50\n')
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prompt = d.getVar('SYSLINUX_PROMPT')
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if prompt:
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cfgfile.write('PROMPT %s\n' % prompt)
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else:
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cfgfile.write('PROMPT 1\n')
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if menu:
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cfgfile.write('ui vesamenu.c32\n')
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cfgfile.write('menu title Select kernel options and boot kernel\n')
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cfgfile.write('menu tabmsg Press [Tab] to edit, [Return] to select\n')
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splash = d.getVar('SYSLINUX_SPLASH')
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if splash:
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cfgfile.write('menu background splash.lss\n')
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for label in labels.split():
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localdata = bb.data.createCopy(d)
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overrides = localdata.getVar('OVERRIDES')
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if not overrides:
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bb.fatal('OVERRIDES not defined')
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localdata.setVar('OVERRIDES', label + ':' + overrides)
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btypes = [ [ "", syslinux_default_console ] ]
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if menu and syslinux_serial:
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btypes = [ [ "Graphics console ", syslinux_default_console ],
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[ "Serial console ", syslinux_serial_tty ] ]
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root= d.getVar('SYSLINUX_ROOT')
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if not root:
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bb.fatal('SYSLINUX_ROOT not defined')
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for btype in btypes:
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cfgfile.write('LABEL %s%s\nKERNEL /vmlinuz\n' % (btype[0], label))
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exargs = d.getVar('SYSLINUX_KERNEL_ARGS')
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if exargs:
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btype[1] += " " + exargs
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append = localdata.getVar('APPEND')
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initrd = localdata.getVar('INITRD')
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append = root + " " + append
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cfgfile.write('APPEND ')
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if initrd:
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cfgfile.write('initrd=/initrd ')
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cfgfile.write('LABEL=%s '% (label))
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append = replace_rootfs_uuid(d, append)
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cfgfile.write('%s %s\n' % (append, btype[1]))
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cfgfile.close()
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}
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build_syslinux_cfg[dirs] = "${S}"
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