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1# grub-efi.bbclass
2# Copyright (c) 2011, Intel Corporation.
3# All rights reserved.
4#
5# Released under the MIT license (see packages/COPYING)
6
7# Provide grub-efi specific functions for building bootable images.
8
9# External variables
10# ${INITRD} - indicates a filesystem image to use as an initrd (optional)
11# ${ROOTFS} - indicates a filesystem image to include as the root filesystem (optional)
12# ${GRUB_GFXSERIAL} - set this to 1 to have graphics and serial in the boot menu
13# ${LABELS} - a list of targets for the automatic config
14# ${APPEND} - an override list of append strings for each label
15# ${GRUB_OPTS} - additional options to add to the config, ';' delimited # (optional)
16# ${GRUB_TIMEOUT} - timeout before executing the deault label (optional)
17
18do_bootimg[depends] += "grub-efi:do_deploy"
19do_bootdirectdisk[depends] += "grub-efi:do_deploy"
20
21GRUB_SERIAL ?= "console=ttyS0,115200"
22GRUBCFG = "${S}/grub.cfg"
23GRUB_TIMEOUT ?= "10"
24#FIXME: build this from the machine config
25GRUB_OPTS ?= "serial --unit=0 --speed=115200 --word=8 --parity=no --stop=1"
26
27EFIDIR = "/EFI/BOOT"
28
29efi_populate() {
30 # DEST must be the root of the image so that EFIDIR is not
31 # nested under a top level directory.
32 DEST=$1
33
34 install -d ${DEST}${EFIDIR}
35
36 GRUB_IMAGE="bootia32.efi"
37 if [ "${TARGET_ARCH}" = "x86_64" ]; then
38 GRUB_IMAGE="bootx64.efi"
39 fi
40 install -m 0644 ${DEPLOY_DIR_IMAGE}/${GRUB_IMAGE} ${DEST}${EFIDIR}
41
42 install -m 0644 ${GRUBCFG} ${DEST}${EFIDIR}
43}
44
45efi_iso_populate() {
46 iso_dir=$1
47 efi_populate $iso_dir
48 # Build a EFI directory to create efi.img
49 mkdir -p ${EFIIMGDIR}/${EFIDIR}
50 cp $iso_dir/${EFIDIR}/* ${EFIIMGDIR}${EFIDIR}
51 cp $iso_dir/vmlinuz ${EFIIMGDIR}
52 echo "${GRUB_IMAGE}" > ${EFIIMGDIR}/startup.nsh
53 if [ -f "$iso_dir/initrd" ] ; then
54 cp $iso_dir/initrd ${EFIIMGDIR}
55 fi
56}
57
58efi_hddimg_populate() {
59 efi_populate $1
60}
61
62python build_efi_cfg() {
63 import sys
64
65 workdir = d.getVar('WORKDIR', True)
66 if not workdir:
67 bb.error("WORKDIR not defined, unable to package")
68 return
69
70 gfxserial = d.getVar('GRUB_GFXSERIAL', True) or ""
71
72 labels = d.getVar('LABELS', True)
73 if not labels:
74 bb.debug(1, "LABELS not defined, nothing to do")
75 return
76
77 if labels == []:
78 bb.debug(1, "No labels, nothing to do")
79 return
80
81 cfile = d.getVar('GRUBCFG', True)
82 if not cfile:
83 raise bb.build.FuncFailed('Unable to read GRUBCFG')
84
85 try:
86 cfgfile = file(cfile, 'w')
87 except OSError:
88 raise bb.build.funcFailed('Unable to open %s' % (cfile))
89
90 cfgfile.write('# Automatically created by OE\n')
91
92 opts = d.getVar('GRUB_OPTS', True)
93 if opts:
94 for opt in opts.split(';'):
95 cfgfile.write('%s\n' % opt)
96
97 cfgfile.write('default=%s\n' % (labels.split()[0]))
98
99 timeout = d.getVar('GRUB_TIMEOUT', True)
100 if timeout:
101 cfgfile.write('timeout=%s\n' % timeout)
102 else:
103 cfgfile.write('timeout=50\n')
104
105 if gfxserial == "1":
106 btypes = [ [ " graphics console", "" ],
107 [ " serial console", d.getVar('GRUB_SERIAL', True) or "" ] ]
108 else:
109 btypes = [ [ "", "" ] ]
110
111 for label in labels.split():
112 localdata = d.createCopy()
113
114 overrides = localdata.getVar('OVERRIDES', True)
115 if not overrides:
116 raise bb.build.FuncFailed('OVERRIDES not defined')
117
118 for btype in btypes:
119 localdata.setVar('OVERRIDES', label + ':' + overrides)
120 bb.data.update_data(localdata)
121
122 cfgfile.write('\nmenuentry \'%s%s\'{\n' % (label, btype[0]))
123 lb = label
124 if label == "install":
125 lb = "install-efi"
126 cfgfile.write('linux /vmlinuz LABEL=%s' % (lb))
127
128 append = localdata.getVar('APPEND', True)
129 initrd = localdata.getVar('INITRD', True)
130
131 if append:
132 cfgfile.write('%s' % (append))
133 cfgfile.write(' %s' % btype[1])
134 cfgfile.write('\n')
135
136 if initrd:
137 cfgfile.write('initrd /initrd')
138 cfgfile.write('\n}\n')
139
140 cfgfile.close()
141}