diff options
| -rw-r--r-- | meta/classes/syslinux.bbclass | 156 |
1 files changed, 156 insertions, 0 deletions
diff --git a/meta/classes/syslinux.bbclass b/meta/classes/syslinux.bbclass new file mode 100644 index 000000000..2f5b6c43d --- /dev/null +++ b/meta/classes/syslinux.bbclass @@ -0,0 +1,156 @@ +# 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('AMD Geode 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(): + 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) + + 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('%s\n' % (append)) + + del localdata + + cfgfile.close() +} |