# syslinux.bbclass # Copyright (C) 2004-2006, Advanced Micro Devices, Inc. All Rights Reserved # Released under the MIT license (see packages/COPYING) # Provide syslinux specific functions for building bootable images. # External variables # ${INITRD} - indicates a filesystem image to use as an initrd (optional) # ${ROOTFS} - indicates a filesystem image to include as the root filesystem (optional) # ${AUTO_SYSLINUXMENU} - set this to 1 to enable creating an automatic menu # ${LABELS} - a list of targets for the automatic config # ${APPEND} - an override list of append strings for each label # ${SYSLINUX_OPTS} - additional options to add to the syslinux file ';' delimited # ${SYSLINUX_SPLASH} - A background for the vga boot menu if using the boot menu # ${SYSLINUX_SERIAL} - Set an alternate serial port or turn off serial with empty string do_bootimg[depends] += "syslinux:do_populate_sysroot \ syslinux-native:do_populate_sysroot" SYSLINUXCFG = "${S}/syslinux.cfg" ISOLINUXDIR = "/isolinux" SYSLINUXDIR = "/" SYSLINUX_SERIAL ?= "0 115200" ISO_BOOTIMG = "isolinux/isolinux.bin" ISO_BOOTCAT = "isolinux/boot.cat" MKISOFS_OPTIONS = "-no-emul-boot -boot-load-size 4 -boot-info-table" APPEND_prepend = " ${SYSLINUX_ROOT} " syslinux_populate() { DEST=$1 BOOTDIR=$2 CFGNAME=$3 install -d ${DEST}${BOOTDIR} # Install the config files install -m 0644 ${SYSLINUXCFG} ${DEST}${BOOTDIR}/${CFGNAME} } syslinux_iso_populate() { syslinux_populate ${ISODIR} ${ISOLINUXDIR} isolinux.cfg install -m 0644 ${STAGING_DATADIR}/syslinux/isolinux.bin ${ISODIR}${ISOLINUXDIR} if [ "${AUTO_SYSLINUXMENU}" = 1 ] ; then install -m 0644 ${STAGING_DATADIR}/syslinux/vesamenu.c32 ${ISODIR}${ISOLINUXDIR}/vesamenu.c32 if [ "${SYSLINUX_SPLASH}" != "" ] ; then install -m 0644 ${SYSLINUX_SPLASH} ${ISODIR}${ISOLINUXDIR}/splash.lss fi fi } syslinux_hddimg_populate() { syslinux_populate ${HDDDIR} ${SYSLINUXDIR} syslinux.cfg install -m 0444 ${STAGING_DATADIR}/syslinux/ldlinux.sys ${HDDDIR}${SYSLINUXDIR}/ldlinux.sys if [ "${AUTO_SYSLINUXMENU}" = 1 ] ; then install -m 0644 ${STAGING_DATADIR}/syslinux/vesamenu.c32 ${HDDDIR}${SYSLINUXDIR}/vesamenu.c32 if [ "${SYSLINUX_SPLASH}" != "" ] ; then install -m 0644 ${SYSLINUX_SPLASH} ${HDDDIR}${SYSLINUXDIR}/splash.lss fi fi } syslinux_hddimg_install() { syslinux ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.hddimg } syslinux_hdddirect_install() { DEST=$1 syslinux $DEST } python build_syslinux_cfg () { import copy import sys workdir = d.getVar('WORKDIR', True) if not workdir: bb.error("WORKDIR not defined, unable to package") return labels = d.getVar('LABELS', True) if not labels: bb.debug(1, "LABELS not defined, nothing to do") return if labels == []: bb.debug(1, "No labels, nothing to do") return cfile = d.getVar('SYSLINUXCFG', True) if not cfile: raise bb.build.FuncFailed('Unable to read SYSLINUXCFG') try: cfgfile = file(cfile, 'w') except OSError: raise bb.build.funcFailed('Unable to open %s' % (cfile)) cfgfile.write('# Automatically created by OE\n') opts = d.getVar('SYSLINUX_OPTS', True) if opts: for opt in opts.split(';'): cfgfile.write('%s\n' % opt) cfgfile.write('ALLOWOPTIONS 1\n'); syslinux_serial = d.getVar('SYSLINUX_SERIAL', True) if syslinux_serial: cfgfile.write('SERIAL %s\n' % syslinux_serial) menu = d.getVar('AUTO_SYSLINUXMENU', True) if menu and syslinux_serial: cfgfile.write('DEFAULT Graphics console %s\n' % (labels.split()[0])) else: cfgfile.write('DEFAULT %s\n' % (labels.split()[0])) timeout = d.getVar('SYSLINUX_TIMEOUT', True) if timeout: cfgfile.write('TIMEOUT %s\n' % timeout) else: cfgfile.write('TIMEOUT 50\n') prompt = d.getVar('SYSLINUX_PROMPT', True) if prompt: cfgfile.write('PROMPT %s\n' % prompt) else: cfgfile.write('PROMPT 1\n') if menu: cfgfile.write('ui vesamenu.c32\n') cfgfile.write('menu title Select kernel options and boot kernel\n') cfgfile.write('menu tabmsg Press [Tab] to edit, [Return] to select\n') splash = d.getVar('SYSLINUX_SPLASH', True) if splash: cfgfile.write('menu background splash.lss\n') for label in labels.split(): localdata = bb.data.createCopy(d) overrides = localdata.getVar('OVERRIDES', True) if not overrides: raise bb.build.FuncFailed('OVERRIDES not defined') localdata.setVar('OVERRIDES', label + ':' + overrides) bb.data.update_data(localdata) btypes = [ [ "", "console=tty0" ] ] if menu and syslinux_serial: btypes = [ [ "Graphics console ", " console=tty0" ], [ "Serial console ", " console=ttyS0,115200" ] ] for btype in btypes: cfgfile.write('LABEL %s%s\nKERNEL /vmlinuz\n' % (btype[0], label)) append = localdata.getVar('APPEND', True) initrd = localdata.getVar('INITRD', True) if append: cfgfile.write('APPEND ') if initrd: cfgfile.write('initrd=/initrd ') cfgfile.write('LABEL=%s '% (label)) cfgfile.write('%s %s\n' % (append, btype[1])) else: cfgfile.write('APPEND %s\n' % btype[1]) cfgfile.close() }