summaryrefslogtreecommitdiff
path: root/meta/classes/grub-efi.bbclass
blob: 4ce3d2844acd2f3ab470d20699d8255c06254de4 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
# grub-efi.bbclass
# Copyright (c) 2011, Intel Corporation.
# All rights reserved.
#
# Released under the MIT license (see packages/COPYING)

# Provide grub-efi 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)
# ${GRUB_GFXSERIAL} - set this to 1 to have graphics and serial in the boot menu
# ${LABELS} - a list of targets for the automatic config
# ${APPEND} - an override list of append strings for each label
# ${GRUB_OPTS} - additional options to add to the config, ';' delimited # (optional)
# ${GRUB_TIMEOUT} - timeout before executing the deault label (optional)
# ${GRUB_ROOT} - grub's root device.

do_bootimg[depends] += "${MLPREFIX}grub-efi:do_deploy"
do_bootdirectdisk[depends] += "${MLPREFIX}grub-efi:do_deploy"

GRUB_SERIAL ?= "console=ttyS0,115200"
GRUB_CFG_VM = "${S}/grub_vm.cfg"
GRUB_CFG_LIVE = "${S}/grub_live.cfg"
GRUB_TIMEOUT ?= "10"
#FIXME: build this from the machine config
GRUB_OPTS ?= "serial --unit=0 --speed=115200 --word=8 --parity=no --stop=1"

EFIDIR = "/EFI/BOOT"
GRUB_ROOT ?= "${ROOT}"
APPEND ?= ""

# Need UUID utility code.
inherit fs-uuid

efi_populate() {
	# DEST must be the root of the image so that EFIDIR is not
	# nested under a top level directory.
	DEST=$1

	install -d ${DEST}${EFIDIR}

	GRUB_IMAGE="bootia32.efi"
	if [ "${TARGET_ARCH}" = "x86_64" ]; then
		GRUB_IMAGE="bootx64.efi"
	fi
	install -m 0644 ${DEPLOY_DIR_IMAGE}/${GRUB_IMAGE} ${DEST}${EFIDIR}

	install -m 0644 ${GRUB_CFG} ${DEST}${EFIDIR}/grub.cfg
}

efi_iso_populate() {
	iso_dir=$1
	efi_populate $iso_dir
	# Build a EFI directory to create efi.img
	mkdir -p ${EFIIMGDIR}/${EFIDIR}
	cp $iso_dir/${EFIDIR}/* ${EFIIMGDIR}${EFIDIR}
	cp $iso_dir/vmlinuz ${EFIIMGDIR}
	EFIPATH=$(echo "${EFIDIR}" | sed 's/\//\\/g')
	echo "fs0:${EFIPATH}\\${GRUB_IMAGE}" > ${EFIIMGDIR}/startup.nsh
	if [ -f "$iso_dir/initrd" ] ; then
		cp $iso_dir/initrd ${EFIIMGDIR}
	fi
}

efi_hddimg_populate() {
	efi_populate $1
}

python build_efi_cfg() {
    import sys

    workdir = d.getVar('WORKDIR', True)
    if not workdir:
        bb.error("WORKDIR not defined, unable to package")
        return

    gfxserial = d.getVar('GRUB_GFXSERIAL', True) or ""

    labels = d.getVar('LABELS', True)
    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('GRUB_CFG', True)
    if not cfile:
        raise bb.build.FuncFailed('Unable to read GRUB_CFG')

    try:
         cfgfile = file(cfile, 'w')
    except OSError:
        raise bb.build.funcFailed('Unable to open %s' % (cfile))

    cfgfile.write('# Automatically created by OE\n')

    opts = d.getVar('GRUB_OPTS', True)
    if opts:
        for opt in opts.split(';'):
            cfgfile.write('%s\n' % opt)

    cfgfile.write('default=%s\n' % (labels.split()[0]))

    timeout = d.getVar('GRUB_TIMEOUT', True)
    if timeout:
        cfgfile.write('timeout=%s\n' % timeout)
    else:
        cfgfile.write('timeout=50\n')

    root = d.getVar('GRUB_ROOT', True)
    if not root:
        raise bb.build.FuncFailed('GRUB_ROOT not defined')

    if gfxserial == "1":
        btypes = [ [ " graphics console", "" ],
            [ " serial console", d.getVar('GRUB_SERIAL', True) or "" ] ]
    else:
        btypes = [ [ "", "" ] ]

    for label in labels.split():
        localdata = d.createCopy()

        overrides = localdata.getVar('OVERRIDES', True)
        if not overrides:
            raise bb.build.FuncFailed('OVERRIDES not defined')

        for btype in btypes:
            localdata.setVar('OVERRIDES', label + ':' + overrides)
            bb.data.update_data(localdata)

            cfgfile.write('\nmenuentry \'%s%s\'{\n' % (label, btype[0]))
            lb = label
            if label == "install":
                lb = "install-efi"
            cfgfile.write('linux /vmlinuz LABEL=%s' % (lb))

            cfgfile.write(' %s' % replace_rootfs_uuid(d, root))

            append = localdata.getVar('APPEND', True)
            initrd = localdata.getVar('INITRD', True)

            if append:
                append = replace_rootfs_uuid(d, append)
                cfgfile.write('%s' % (append))
            cfgfile.write(' %s' % btype[1])
            cfgfile.write('\n')

            if initrd:
                cfgfile.write('initrd /initrd')
            cfgfile.write('\n}\n')

    cfgfile.close()
}