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# syslinux.bbclass
# Copyright (C) 2004-2006, Advanced Micro Devices, Inc. All Rights Reserved
# Released under the MIT license (see packages/COPYING)
# This creates a configuration file suitable for use with syslinux.
python build_syslinux_menu () {
import copy
import sys
workdir = bb.data.getVar('WORKDIR', d, 1)
if not workdir:
bb.error("WORKDIR is not defined")
return
labels = bb.data.getVar('LABELS', d, 1)
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 = bb.data.getVar('SYSLINUXMENU', d, 1)
if not cfile:
raise bb.build.FuncFailed('Unable to read SYSLINUXMENU')
bb.mkdirhier(os.path.dirname(cfile))
try:
cfgfile = file(cfile, 'w')
except OSError:
raise bb.build.funcFailed('Unable to open %s' % (cfile))
# Beep the speaker and Clear the screen
cfgfile.write('\x07\x0C')
# The title should be configurable
cfgfile.write('Linux Boot Menu\n')
cfgfile.write('The following targets are available on this image:\n')
cfgfile.write('\n')
for label in labels.split():
from copy import deepcopy
localdata = deepcopy(d)
overrides = bb.data.getVar('OVERRIDES', localdata)
if not overrides:
raise bb.build.FuncFailed('OVERRIDES not defined')
overrides = bb.data.expand(overrides, localdata)
bb.data.setVar('OVERRIDES', label + ':' + overrides, localdata)
bb.data.update_data(localdata)
usage = bb.data.getVar('USAGE', localdata, 1)
cfgfile.write(' \x0F\x30\x3E%16s\x0F\x30\x37: ' % (label))
cfgfile.write('%s\n' % (usage))
del localdata
cfgfile.write('\n')
cfgfile.close()
}
python build_syslinux_cfg () {
import copy
import sys
workdir = bb.data.getVar('WORKDIR', d, 1)
if not workdir:
bb.error("WORKDIR not defined, unable to package")
return
labels = bb.data.getVar('LABELS', d, 1)
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 = bb.data.getVar('SYSLINUXCFG', d, 1)
if not cfile:
raise bb.build.FuncFailed('Unable to read SYSLINUXCFG')
bb.mkdirhier(os.path.dirname(cfile))
try:
cfgfile = file(cfile, 'w')
except OSError:
raise bb.build.funcFailed('Unable to open %s' % (cfile))
# FIXME - the timeout should be settable
# And maybe the default too
# Definately the prompt
cfgfile.write('# Automatically created by OE\n')
opts = bb.data.getVar('SYSLINUX_OPTS', d, 1)
if opts:
for opt in opts.split(';'):
cfgfile.write('%s\n' % opt)
cfgfile.write('ALLOWOPTIONS 1\n');
cfgfile.write('DEFAULT %s\n' % (labels.split()[0]))
timeout = bb.data.getVar('SYSLINUX_TIMEOUT', d, 1)
if timeout:
cfgfile.write('TIMEOUT %s\n' % timeout)
else:
cfgfile.write('TIMEOUT 50\n')
cfgfile.write('PROMPT 1\n')
menu = bb.data.getVar('AUTO_SYSLINUXMENU', d, 1)
# This is ugly. My bad.
if menu:
bb.build.exec_func('build_syslinux_menu', d)
mfile = bb.data.getVar('SYSLINUXMENU', d, 1)
cfgfile.write('DISPLAY %s\n' % (mfile.split('/')[-1]) )
for label in labels.split():
localdata = bb.data.createCopy(d)
overrides = bb.data.getVar('OVERRIDES', localdata, True)
if not overrides:
raise bb.build.FuncFailed('OVERRIDES not defined')
bb.data.setVar('OVERRIDES', label + ':' + overrides, localdata)
bb.data.update_data(localdata)
cfgfile.write('LABEL %s\nKERNEL vmlinuz\n' % (label))
append = bb.data.getVar('APPEND', localdata, 1)
initrd = bb.data.getVar('INITRD', localdata, 1)
if append:
cfgfile.write('APPEND ')
if initrd:
cfgfile.write('initrd=initrd ')
cfgfile.write('LABEL=%s '% (label))
cfgfile.write('%s\n' % (append))
cfgfile.close()
}
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