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
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
|
DESCRIPTION = "Linux Kernel"
SECTION = "kernel"
LICENSE = "GPLv2"
LIC_FILES_CHKSUM = "file://COPYING;md5=d7810fab7487fb0aad327b76f1be7cd7"
inherit kernel siteinfo
# Enable OABI compat for people stuck with obsolete userspace
ARM_KEEP_OABI ?= "1"
# Quirk for udev greater or equal 141
UDEV_GE_141 ?= "1"
# Enable cgroups support for systemd
KERNEL_ENABLE_CGROUPS ?= "1"
# combine oe-core way with angstrom DISTRO_TYPE
DISTRO_TYPE ?= "${@bb.utils.contains("IMAGE_FEATURES", "debug-tweaks", "debug", "release",d)}"
# Set the verbosity of kernel messages during runtime
# You can define CMDLINE_DEBUG in your local.conf or distro.conf to override this behaviour
CMDLINE_DEBUG ?= '${@base_conditional("DISTRO_TYPE", "release", "quiet", "debug", d)}'
CMDLINE_append = " ${CMDLINE_DEBUG}"
# Set a variable in .configure
# $1 - Configure variable to be set
# $2 - value [n/y/value]
kernel_configure_variable() {
# Remove the config
CONF_SED_SCRIPT="$CONF_SED_SCRIPT /CONFIG_$1[ =]/d;"
if test "$2" = "n"
then
echo "# CONFIG_$1 is not set" >> ${B}/.config
else
echo "CONFIG_$1=$2" >> ${B}/.config
fi
}
# returns all the elements from the src uri that are .cfg files
def find_cfgs(d):
sources=src_patches(d, True)
sources_list=[]
for s in sources:
if s.endswith('.cfg'):
sources_list.append(s)
return sources_list
do_configure_prepend() {
# Clean .config
echo "" > ${B}/.config
CONF_SED_SCRIPT=""
# oabi / eabi support
if [ "${TARGET_OS}" = "linux-gnueabi" -o "${TARGET_OS}" = "linux-uclibceabi" ]; then
kernel_configure_variable AEABI y
if [ "${ARM_KEEP_OABI}" = "1" ] ; then
kernel_configure_variable OABI_COMPAT y
else
kernel_configure_variable OABI_COMPAT n
fi
else
kernel_configure_variable AEABI n
kernel_configure_variable OABI_COMPAT n
fi
# Set cmdline
kernel_configure_variable CMDLINE "\"${CMDLINE}\""
# Localversion
kernel_configure_variable LOCALVERSION "\"\""
kernel_configure_variable LOCALVERSION_AUTO n
# Distribution-dependent kernel features
case "${DISTRO_FEATURES}" in
*bluetooth*) do_configure_bluetooth
esac
# Udev quirks
# Newer versions of udev mandate that sysfs doesn't have deprecated entries
if [ "${UDEV_GE_141}" = "1" ] ; then
kernel_configure_variable SYSFS_DEPRECATED n
kernel_configure_variable SYSFS_DEPRECATED_V2 n
kernel_configure_variable HOTPLUG y
kernel_configure_variable UEVENT_HELPER_PATH "\"\""
kernel_configure_variable UNIX y
kernel_configure_variable SYSFS y
kernel_configure_variable PROC_FS y
kernel_configure_variable TMPFS y
kernel_configure_variable INOTIFY_USER y
kernel_configure_variable SIGNALFD y
kernel_configure_variable TMPFS_POSIX_ACL y
kernel_configure_variable BLK_DEV_BSG y
kernel_configure_variable DEVTMPFS y
kernel_configure_variable DEVTMPFS_MOUNT y
fi
# Newer inits like systemd need cgroup support
if [ "${KERNEL_ENABLE_CGROUPS}" = "1" ] ; then
kernel_configure_variable CGROUP_SCHED y
kernel_configure_variable CGROUPS y
kernel_configure_variable CGROUP_NS y
kernel_configure_variable CGROUP_FREEZER y
kernel_configure_variable CGROUP_DEVICE y
kernel_configure_variable CPUSETS y
kernel_configure_variable PROC_PID_CPUSET y
kernel_configure_variable CGROUP_CPUACCT y
kernel_configure_variable RESOURCE_COUNTERS y
fi
# root-over-nfs-over-usb-eth support. Limited, but should cover some cases
# Enable this by setting a proper CMDLINE_NFSROOT_USB.
if [ ! -z "${CMDLINE_NFSROOT_USB}" ]; then
oenote "Configuring the kernel for root-over-nfs-over-usb-eth with CMDLINE ${CMDLINE_NFSROOT_USB}"
kernel_configure_variable INET y
kernel_configure_variable IP_PNP y
kernel_configure_variable USB_GADGET y
kernel_configure_variable USB_GADGET_SELECTED y
kernel_configure_variable USB_ETH y
kernel_configure_variable NFS_FS y
kernel_configure_variable ROOT_NFS y
kernel_configure_variable ROOT_NFS y
kernel_configure_variable CMDLINE "\"${CMDLINE_NFSROOT_USB}\""
fi
# Activate CONFIG_LEGACY_PTYS
kernel_configure_variable LEGACY_PTYS y
kernel_configure_variable LEGACY_PTY_COUNT 8
# needed for ttySC6 login on koelsch with systemd
kernel_configure_variable FHANDLE y
# needed for USB touchscreens
kernel_configure_variable HID_MULTITOUCH y
# additional configs needed for Genivi compliance
kernel_configure_variable EXPERIMENTAL y
kernel_configure_variable ECRYPT_FS y
kernel_configure_variable QUOTA y
kernel_configure_variable BT y
# add uinput for automated testing
kernel_configure_variable INPUT_MISC y
kernel_configure_variable INPUT_UINPUT y
# psplash only
kernel_configure_variable FRAMEBUFFER_CONSOLE n
kernel_configure_variable LOGO n
# systemd requires following
kernel_configure_variable AUTOFS4_FS y
kernel_configure_variable IPV6 y
kernel_configure_variable SCHEDSTATS y
# AGL spec. mentioned following
kernel_configure_variable EXT4_FS y
kernel_configure_variable FANOTIFY y
kernel_configure_variable POSIX_MQUEUE y
kernel_configure_variable TUN y
# For containers support (AGL spec v1.0, section 7.3.1)
kernel_configure_variable NAMESPACES y
kernel_configure_variable UTS_NS n
kernel_configure_variable IPC_NS y
kernel_configure_variable USER_NS y
kernel_configure_variable PID_NS y
kernel_configure_variable NET_NS y
# nbdroot support
kernel_configure_variable BLK_DEV_LOOP y
kernel_configure_variable BLK_DEV_NBD y
kernel_configure_variable BLK_DEV_INITRD y
kernel_configure_variable RD_GZIP y
kernel_configure_variable RD_BZIP2 y
kernel_configure_variable RD_XZ y
kernel_configure_variable EXT4_FS y
kernel_configure_variable EXT4_USE_FOR_EXT23 y
kernel_configure_variable BLK_DEV_RAM y
kernel_configure_variable BLK_DEV_RAM_COUNT 2
kernel_configure_variable BLK_DEV_RAM_SIZE 16384
# only when distro is built for debug
if [ "${DISTRO_TYPE}" = "debug" ]; then
kernel_configure_variable BLK_DEV_LOOP y
fi
if [ "x1" = "x${@bb.utils.contains("DISTRO_FEATURES", "usbgadget", "1", "",d)}" ]; then
# activate USB-OTG & Gadget
kernel_configure_variable USB_OTG y
kernel_configure_variable USB_RENESAS_USBHS_UDC y
kernel_configure_variable CONFIGFS_FS y
kernel_configure_variable USB_GADGET y
kernel_configure_variable USB_LIBCOMPOSITE y
kernel_configure_variable USB_F_ACM y
kernel_configure_variable USB_U_SERIAL y
kernel_configure_variable USB_ETH m
kernel_configure_variable USB_G_MULTI m
kernel_configure_variable USB_G_MULTI_RNDIS n
kernel_configure_variable USB_G_MULTI_CDC y
# ethernet over usb tethering
kernel_configure_variable NETFILTER y
kernel_configure_variable NF_CONNTRACK_IPV4 y
kernel_configure_variable NF_NAT_IPV4 y
kernel_configure_variable BRIDGE y
kernel_configure_variable IP_NF_TARGET_MASQUERADE y
fi
# Keep this the last line
# Remove all modified configs and add the rest to .config
sed -e "${CONF_SED_SCRIPT}" < '${WORKDIR}/defconfig' >> '${B}/.config'
# add cfgs from SRC_URI.
cfgs="${@" ".join(find_cfgs(d))}"
cat ${cfgs} >> '${B}/.config'
yes '' | oe_runmake -C ${S} O=${B} oldconfig
}
do_configure_bluetooth() {
# Needed for Bluetooth hardware support
kernel_configure_variable BT_HIDP y
kernel_configure_variable BT_HCIBTUSB m
kernel_configure_variable BT_BNEP m
kernel_configure_variable BT_BNEP_MC_FILTER y
kernel_configure_variable BT_BNEP_PROTO_FILTER y
kernel_configure_variable BT_RFCOMM m
kernel_configure_variable BT_RFCOMM_TTY y
kernel_configure_variable RFKILL m
}
# Automatically depend on lzop-native if CONFIG_KERNEL_LZO is enabled
python () {
try:
defconfig = bb.fetch2.localpath('file://defconfig', d)
except bb.fetch2.FetchError:
return
try:
configfile = open(defconfig)
except IOError:
return
if 'CONFIG_KERNEL_LZO=y\n' in configfile.readlines():
depends = d.getVar('DEPENDS', False)
d.setVar('DEPENDS', depends + ' lzop-native')
}
|
