124 lines
3.6 KiB
Plaintext
124 lines
3.6 KiB
Plaintext
# grub-efi.bbclass
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# Copyright (c) 2011, Intel Corporation.
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# All rights reserved.
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#
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# Released under the MIT license (see packages/COPYING)
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# Provide grub-efi specific functions for building bootable images.
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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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# ${GRUB_GFXSERIAL} - set this to 1 to have graphics and serial in the boot 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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# ${GRUB_OPTS} - additional options to add to the config, ';' delimited # (optional)
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# ${GRUB_TIMEOUT} - timeout before executing the deault label (optional)
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# ${GRUB_ROOT} - grub's root device.
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GRUB_SERIAL ?= "console=ttyS0,115200"
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GRUB_CFG_VM = "${S}/grub_vm.cfg"
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GRUB_CFG_LIVE = "${S}/grub_live.cfg"
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GRUB_TIMEOUT ?= "10"
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#FIXME: build this from the machine config
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GRUB_OPTS ?= "serial --unit=0 --speed=115200 --word=8 --parity=no --stop=1"
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GRUB_ROOT ?= "${ROOT}"
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APPEND ?= ""
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# Uses MACHINE specific KERNEL_IMAGETYPE
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PACKAGE_ARCH = "${MACHINE_ARCH}"
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# Need UUID utility code.
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inherit fs-uuid
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python build_efi_cfg() {
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import sys
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workdir = d.getVar('WORKDIR')
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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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gfxserial = d.getVar('GRUB_GFXSERIAL') or ""
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labels = d.getVar('LABELS')
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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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if labels == []:
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bb.debug(1, "No labels, nothing to do")
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return
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cfile = d.getVar('GRUB_CFG')
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if not cfile:
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bb.fatal('Unable to read GRUB_CFG')
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try:
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cfgfile = open(cfile, 'w')
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except OSError:
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bb.fatal('Unable to open %s' % cfile)
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cfgfile.write('# Automatically created by OE\n')
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opts = d.getVar('GRUB_OPTS')
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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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cfgfile.write('default=%s\n' % (labels.split()[0]))
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timeout = d.getVar('GRUB_TIMEOUT')
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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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root = d.getVar('GRUB_ROOT')
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if not root:
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bb.fatal('GRUB_ROOT not defined')
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if gfxserial == "1":
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btypes = [ [ " graphics console", "" ],
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[ " serial console", d.getVar('GRUB_SERIAL') or "" ] ]
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else:
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btypes = [ [ "", "" ] ]
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for label in labels.split():
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localdata = d.createCopy()
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overrides = localdata.getVar('OVERRIDES')
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if not overrides:
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bb.fatal('OVERRIDES not defined')
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localdata.setVar('OVERRIDES', 'grub_' + label + ':' + overrides)
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for btype in btypes:
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cfgfile.write('\nmenuentry \'%s%s\'{\n' % (label, btype[0]))
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lb = label
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if label == "install":
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lb = "install-efi"
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kernel = localdata.getVar('KERNEL_IMAGETYPE')
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cfgfile.write('linux /%s LABEL=%s' % (kernel, lb))
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cfgfile.write(' %s' % replace_rootfs_uuid(d, root))
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append = localdata.getVar('APPEND')
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initrd = localdata.getVar('INITRD')
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if append:
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append = replace_rootfs_uuid(d, append)
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cfgfile.write(' %s' % (append))
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cfgfile.write(' %s' % btype[1])
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cfgfile.write('\n')
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if initrd:
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cfgfile.write('initrd /initrd')
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cfgfile.write('\n}\n')
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cfgfile.close()
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}
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build_efi_cfg[vardepsexclude] += "OVERRIDES"
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