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Diffstat (limited to 'meta/classes-recipe/syslinux.bbclass')
| -rw-r--r-- | meta/classes-recipe/syslinux.bbclass | 194 |
1 files changed, 194 insertions, 0 deletions
diff --git a/meta/classes-recipe/syslinux.bbclass b/meta/classes-recipe/syslinux.bbclass new file mode 100644 index 0000000000..be3b898b4d --- /dev/null +++ b/meta/classes-recipe/syslinux.bbclass @@ -0,0 +1,194 @@ +# syslinux.bbclass +# Copyright (C) 2004-2006, Advanced Micro Devices, Inc. +# SPDX-License-Identifier: MIT + +# Provide syslinux specific functions for building bootable images. + +# External variables +# ${INITRD} - indicates a list of filesystem images to concatenate and 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_DEFAULT_CONSOLE} - set to "console=ttyX" to change kernel boot default console +# ${SYSLINUX_SERIAL} - Set an alternate serial port or turn off serial with empty string +# ${SYSLINUX_SERIAL_TTY} - Set alternate console=tty... kernel boot argument +# ${SYSLINUX_KERNEL_ARGS} - Add additional kernel arguments + +do_bootimg[depends] += "${MLPREFIX}syslinux:do_populate_sysroot \ + syslinux-native:do_populate_sysroot" + +ISOLINUXDIR ?= "/isolinux" +SYSLINUXDIR = "/" +# The kernel has an internal default console, which you can override with +# a console=...some_tty... +SYSLINUX_DEFAULT_CONSOLE ?= "" +SYSLINUX_SERIAL ?= "0 115200" +SYSLINUX_SERIAL_TTY ?= "console=ttyS0,115200" +SYSLINUX_PROMPT ?= "0" +SYSLINUX_TIMEOUT ?= "50" +AUTO_SYSLINUXMENU ?= "1" +SYSLINUX_ALLOWOPTIONS ?= "1" +SYSLINUX_ROOT ?= "${ROOT}" +SYSLINUX_CFG_VM ?= "${S}/syslinux_vm.cfg" +SYSLINUX_CFG_LIVE ?= "${S}/syslinux_live.cfg" +APPEND ?= "" + +# Need UUID utility code. +inherit fs-uuid + +syslinux_populate() { + DEST=$1 + BOOTDIR=$2 + CFGNAME=$3 + + install -d ${DEST}${BOOTDIR} + + # Install the config files + install -m 0644 ${SYSLINUX_CFG} ${DEST}${BOOTDIR}/${CFGNAME} + if [ "${AUTO_SYSLINUXMENU}" = 1 ] ; then + install -m 0644 ${STAGING_DATADIR}/syslinux/vesamenu.c32 ${DEST}${BOOTDIR}/vesamenu.c32 + install -m 0444 ${STAGING_DATADIR}/syslinux/libcom32.c32 ${DEST}${BOOTDIR}/libcom32.c32 + install -m 0444 ${STAGING_DATADIR}/syslinux/libutil.c32 ${DEST}${BOOTDIR}/libutil.c32 + if [ "${SYSLINUX_SPLASH}" != "" ] ; then + install -m 0644 ${SYSLINUX_SPLASH} ${DEST}${BOOTDIR}/splash.lss + fi + fi +} + +syslinux_iso_populate() { + iso_dir=$1 + syslinux_populate $iso_dir ${ISOLINUXDIR} isolinux.cfg + install -m 0644 ${STAGING_DATADIR}/syslinux/isolinux.bin $iso_dir${ISOLINUXDIR} + install -m 0644 ${STAGING_DATADIR}/syslinux/ldlinux.c32 $iso_dir${ISOLINUXDIR} +} + +syslinux_hddimg_populate() { + hdd_dir=$1 + syslinux_populate $hdd_dir ${SYSLINUXDIR} syslinux.cfg + install -m 0444 ${STAGING_DATADIR}/syslinux/ldlinux.sys $hdd_dir${SYSLINUXDIR}/ldlinux.sys +} + +syslinux_hddimg_install() { + syslinux ${IMGDEPLOYDIR}/${IMAGE_NAME}.hddimg +} + +python build_syslinux_cfg () { + import copy + import sys + + workdir = d.getVar('WORKDIR') + if not workdir: + bb.error("WORKDIR not defined, unable to package") + return + + labels = d.getVar('LABELS') + 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('SYSLINUX_CFG') + if not cfile: + bb.fatal('Unable to read SYSLINUX_CFG') + + try: + cfgfile = open(cfile, 'w') + except OSError: + bb.fatal('Unable to open %s' % cfile) + + cfgfile.write('# Automatically created by OE\n') + + opts = d.getVar('SYSLINUX_OPTS') + + if opts: + for opt in opts.split(';'): + cfgfile.write('%s\n' % opt) + + allowoptions = d.getVar('SYSLINUX_ALLOWOPTIONS') + if allowoptions: + cfgfile.write('ALLOWOPTIONS %s\n' % allowoptions) + else: + cfgfile.write('ALLOWOPTIONS 1\n') + + syslinux_default_console = d.getVar('SYSLINUX_DEFAULT_CONSOLE') + syslinux_serial_tty = d.getVar('SYSLINUX_SERIAL_TTY') + syslinux_serial = d.getVar('SYSLINUX_SERIAL') + if syslinux_serial: + cfgfile.write('SERIAL %s\n' % syslinux_serial) + + menu = (d.getVar('AUTO_SYSLINUXMENU') == "1") + + 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') + + if timeout: + cfgfile.write('TIMEOUT %s\n' % timeout) + else: + cfgfile.write('TIMEOUT 50\n') + + prompt = d.getVar('SYSLINUX_PROMPT') + 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') + if splash: + cfgfile.write('menu background splash.lss\n') + + for label in labels.split(): + localdata = bb.data.createCopy(d) + + overrides = localdata.getVar('OVERRIDES') + if not overrides: + bb.fatal('OVERRIDES not defined') + + localdata.setVar('OVERRIDES', label + ':' + overrides) + + btypes = [ [ "", syslinux_default_console ] ] + if menu and syslinux_serial: + btypes = [ [ "Graphics console ", syslinux_default_console ], + [ "Serial console ", syslinux_serial_tty ] ] + + root= d.getVar('SYSLINUX_ROOT') + if not root: + bb.fatal('SYSLINUX_ROOT not defined') + + kernel = localdata.getVar('KERNEL_IMAGETYPE') + for btype in btypes: + cfgfile.write('LABEL %s%s\nKERNEL /%s\n' % (btype[0], label, kernel)) + + exargs = d.getVar('SYSLINUX_KERNEL_ARGS') + if exargs: + btype[1] += " " + exargs + + append = localdata.getVar('APPEND') + initrd = localdata.getVar('INITRD') + + append = root + " " + append + cfgfile.write('APPEND ') + + if initrd: + cfgfile.write('initrd=/initrd ') + + cfgfile.write('LABEL=%s '% (label)) + append = replace_rootfs_uuid(d, append) + cfgfile.write('%s %s\n' % (append, btype[1])) + + cfgfile.close() +} +build_syslinux_cfg[dirs] = "${S}" |