188 lines
		
	
	
		
			6.1 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
			
		
		
	
	
			188 lines
		
	
	
		
			6.1 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
| # 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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| 
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| # Provide syslinux specific functions for building bootable images.
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| 
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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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| # ${SYSLINUX_KERNEL_ARGS} - Add additional kernel arguments
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| 
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| do_bootimg[depends] += "${MLPREFIX}syslinux:do_populate_sysroot \
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|                         syslinux-native:do_populate_sysroot"
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| 
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| SYSLINUXCFG  = "${S}/syslinux.cfg"
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| 
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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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| ISO_BOOTIMG = "isolinux/isolinux.bin"
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| ISO_BOOTCAT = "isolinux/boot.cat"
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| MKISOFS_OPTIONS = "-no-emul-boot -boot-load-size 4 -boot-info-table"
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| APPEND_prepend = " ${SYSLINUX_ROOT} "
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| 
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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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| 
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| 	install -d ${DEST}${BOOTDIR}
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| 
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| 	# Install the config files
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| 	install -m 0644 ${SYSLINUXCFG} ${DEST}${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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| 
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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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| 
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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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| 
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| syslinux_hddimg_install() {
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| 	syslinux ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.hddimg
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| }
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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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| 
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| python build_syslinux_cfg () {
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|     import copy
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|     import sys
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| 
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|     workdir = d.getVar('WORKDIR', True)
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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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|         
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|     labels = d.getVar('LABELS', True)
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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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|     
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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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| 
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|     cfile = d.getVar('SYSLINUXCFG', True)
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|     if not cfile:
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|         raise bb.build.FuncFailed('Unable to read SYSLINUXCFG')
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| 
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|     try:
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|         cfgfile = file(cfile, 'w')
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|     except OSError:
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|         raise bb.build.funcFailed('Unable to open %s' % (cfile))
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| 
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|     cfgfile.write('# Automatically created by OE\n')
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| 
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|     opts = d.getVar('SYSLINUX_OPTS', True)
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| 
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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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| 
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|     cfgfile.write('ALLOWOPTIONS 1\n');
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|     syslinux_default_console = d.getVar('SYSLINUX_DEFAULT_CONSOLE', True)
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|     syslinux_serial_tty = d.getVar('SYSLINUX_SERIAL_TTY', True)
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|     syslinux_serial = d.getVar('SYSLINUX_SERIAL', True)
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|     if syslinux_serial:
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|         cfgfile.write('SERIAL %s\n' % syslinux_serial)
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| 
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|     menu = d.getVar('AUTO_SYSLINUXMENU', True)
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| 
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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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| 
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|     timeout = d.getVar('SYSLINUX_TIMEOUT', True)
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| 
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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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| 
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|     prompt = d.getVar('SYSLINUX_PROMPT', True)
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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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| 
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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', True)
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|         if splash:
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|             cfgfile.write('menu background splash.lss\n')
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|     
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|     for label in labels.split():
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|         localdata = bb.data.createCopy(d)
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| 
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|         overrides = localdata.getVar('OVERRIDES', True)
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|         if not overrides:
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|             raise bb.build.FuncFailed('OVERRIDES not defined')
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| 
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|         localdata.setVar('OVERRIDES', label + ':' + overrides)
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|         bb.data.update_data(localdata)
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|     
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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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| 
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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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| 
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|             exargs = d.getVar('SYSLINUX_KERNEL_ARGS', True)
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|             if exargs:
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|                 btype[1] += " " + exargs
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| 
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|             append = localdata.getVar('APPEND', True)
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|             initrd = localdata.getVar('INITRD', True)
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| 
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|             if append:
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|                 cfgfile.write('APPEND ')
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| 
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|                 if initrd:
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|                     cfgfile.write('initrd=/initrd ')
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| 
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|                 cfgfile.write('LABEL=%s '% (label))
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| 
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|                 cfgfile.write('%s %s\n' % (append, btype[1]))
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|             else:
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|                 cfgfile.write('APPEND %s\n' % btype[1])
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| 
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|     cfgfile.close()
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| }
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| build_syslinux_cfg[vardeps] += "APPEND"
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