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
|
DESCRIPTION = "Linux Kernel"
SECTION = "kernel"
LICENSE = "GPL"
inherit kernel
RPSRC = "http://www.rpsys.net/openzaurus/patches/archive"
# Enable OABI compat for people stuck with obsolete userspace
ARM_KEEP_OABI ?= "1"
# Specify the commandline for your device
# Boot from mmc
CMDLINE_at91sam9263ek = "mem=64M console=ttyS0,115200 root=/dev/mmcblk0p1 rootfstype=ext2 rootdelay=5"
# Boot from nfs
#CMDLINE_at91sam9263ek = "mem=64M console=ttyS0,115200 root=301 root=/dev/nfs nfsroot=172.20.3.1:/data/at91 ip=172.20.0.5:::255.255.0.0"
# 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 = " ${CMDLINE_DEBUG} "
# Support for binary device tree generation
FILES_kernel-devicetree = "/boot/devicetree*"
KERNEL_DEVICETREE_boc01 = "${WORKDIR}/boc01.dts"
KERNEL_DEVICETREE_mpc8313e-rdb = "arch/${ARCH}/boot/dts/mpc8313erdb.dts"
KERNEL_DEVICETREE_mpc8315e-rdb = "arch/${ARCH}/boot/dts/mpc8315erdb.dts"
KERNEL_DEVICETREE_mpc8323e-rdb = "arch/${ARCH}/boot/dts/mpc832x_rdb.dts"
KERNEL_DEVICETREE_kilauea = "arch/${ARCH}/boot/dts/kilauea.dts"
KERNEL_DEVICETREE_sequoia = "arch/${ARCH}/boot/dts/sequoia.dts"
KERNEL_DEVICETREE_canyonlands = "arch/${ARCH}/boot/dts/canyonlands.dts"
KERNEL_DEVICETREE_FLAGS = "-R 8 -S 0x3000"
python __anonymous () {
import bb
devicetree = bb.data.getVar('KERNEL_DEVICETREE', d, 1) or ''
if devicetree:
depends = bb.data.getVar("DEPENDS", d, 1)
bb.data.setVar("DEPENDS", "%s dtc-native" % depends, d)
packages = bb.data.getVar("PACKAGES", d, 1)
bb.data.setVar("PACKAGES", "%s kernel-devicetree" % packages, d)
}
do_configure_prepend() {
echo "" > ${S}/.config
#
# logo support, if you supply logo_linux_clut224.ppm in SRC_URI, then it's going to be used
#
if [ -e ${WORKDIR}/logo_linux_clut224.ppm ]; then
install -m 0644 ${WORKDIR}/logo_linux_clut224.ppm drivers/video/logo/logo_linux_clut224.ppm
echo "CONFIG_LOGO=y" >> ${S}/.config
echo "CONFIG_LOGO_LINUX_CLUT224=y" >> ${S}/.config
fi
#
# oabi / eabi support
#
if [ "${TARGET_OS}" = "linux-gnueabi" -o "${TARGET_OS}" = "linux-uclibcgnueabi" ]; then
echo "CONFIG_AEABI=y" >> ${S}/.config
if [ "${ARM_KEEP_OABI}" = "1" ] ; then
echo "CONFIG_OABI_COMPAT=y" >> ${S}/.config
else
echo "# CONFIG_OABI_COMPAT is not set" >> ${S}/.config
fi
else
echo "# CONFIG_AEABI is not set" >> ${S}/.config
echo "# CONFIG_OABI_COMPAT is not set" >> ${S}/.config
fi
# When enabling thumb for userspace we also need thumb support in the kernel
if [ "${ARM_INSTRUCTION_SET}" = "thumb" ] ; then
sed -i -e /CONFIG_ARM_THUMB/d ${WORKDIR}/defconfig
echo "CONFIG_ARM_THUMB=y" >> ${S}/.config
fi
#
# endian support
#
if [ "${SITEINFO_ENDIANESS}" = "be" ]; then
echo "CONFIG_CPU_BIG_ENDIAN=y" >> ${S}/.config
fi
echo "CONFIG_CMDLINE=\"${CMDLINE}\"" >> ${S}/.config
sed -e '/CONFIG_AEABI/d' \
-e '/CONFIG_OABI_COMPAT=/d' \
-e '/CONFIG_CMDLINE=/d' \
-e '/CONFIG_CPU_BIG_ENDIAN/d' \
-e '/CONFIG_LOGO=/d' \
-e '/CONFIG_LOGO_LINUX_CLUT224=/d' \
-e '/CONFIG_LOCALVERSION/d' \
< '${WORKDIR}/defconfig' >>'${S}/.config'
#
# root-over-nfs-over-usb-eth support. Limited, but should cover some cases.
# Enable this by setting a proper CMDLINE_NFSROOT_USB.
#
if [ ! -z "${CMDLINE_NFSROOT_USB}" ]; then
oenote "Configuring the kernel for root-over-nfs-over-usb-eth with CMDLINE ${CMDLINE_NFSROOT_USB}"
sed -e '/CONFIG_INET/d' \
-e '/CONFIG_IP_PNP=/d' \
-e '/CONFIG_USB_GADGET=/d' \
-e '/CONFIG_USB_GADGET_SELECTED=/d' \
-e '/CONFIG_USB_ETH=/d' \
-e '/CONFIG_NFS_FS=/d' \
-e '/CONFIG_ROOT_NFS=/d' \
-e '/CONFIG_CMDLINE=/d' \
-i ${S}/.config
echo "CONFIG_INET=y" >> ${S}/.config
echo "CONFIG_IP_PNP=y" >> ${S}/.config
echo "CONFIG_USB_GADGET=y" >> ${S}/.config
echo "CONFIG_USB_GADGET_SELECTED=y" >> ${S}/.config
echo "CONFIG_USB_ETH=y" >> ${S}/.config
echo "CONFIG_NFS_FS=y" >> ${S}/.config
echo "CONFIG_ROOT_NFS=y" >> ${S}/.config
echo "CONFIG_CMDLINE=\"${CMDLINE_NFSROOT_USB}\"" >> ${S}/.config
fi
yes '' | oe_runmake oldconfig
}
do_configure_append_avr32() {
sed -i -e s:-mno-pic::g arch/avr32/Makefile
}
do_compile_append() {
if test "x${KERNEL_IMAGETYPE}" = "xuImage" ; then
if test -e arch/${ARCH}/boot/compressed/vmlinux ; then
${OBJCOPY} -O binary -R .note -R .comment -S arch/${ARCH}/boot/compressed/vmlinux linux.bin
uboot-mkimage -A ${UBOOT_ARCH} -O linux -T kernel -C none -a ${UBOOT_LOADADDRESS} -e ${UBOOT_ENTRYPOINT} -n "${DISTRO_NAME}/${PV}/${MACHINE}" -d linux.bin arch/${ARCH}/boot/uImage
rm -f linux.bin
else
${OBJCOPY} -O binary -R .note -R .comment -S vmlinux linux.bin
rm -f linux.bin.gz
gzip -9 linux.bin
uboot-mkimage -A ${UBOOT_ARCH} -O linux -T kernel -C gzip -a ${UBOOT_LOADADDRESS} -e ${UBOOT_ENTRYPOINT} -n "${DISTRO_NAME}/${PV}/${MACHINE}" -d linux.bin.gz arch/${ARCH}/boot/uImage
rm -f linux.bin.gz
fi
fi
}
do_devicetree_image() {
if test -n "${KERNEL_DEVICETREE}" ; then
dtc -I dts -O dtb ${KERNEL_DEVICETREE_FLAGS} -o devicetree ${KERNEL_DEVICETREE}
install -m 0644 devicetree ${D}/boot/devicetree-${KERNEL_VERSION}
install -m 0644 devicetree ${DEPLOY_DIR_IMAGE}/${KERNEL_IMAGE_BASE_NAME}.dtb
cd ${DEPLOY_DIR_IMAGE}
rm -f ${KERNEL_IMAGE_SYMLINK_NAME}.dtb
ln -sf ${KERNEL_IMAGE_BASE_NAME}.dtb ${KERNEL_IMAGE_SYMLINK_NAME}.dtb
fi
}
addtask devicetree_image after do_deploy before do_package
pkg_postinst_kernel-devicetree () {
cd /${KERNEL_IMAGEDEST}; update-alternatives --install /${KERNEL_IMAGEDEST}/devicetree devicetree devicetree-${KERNEL_VERSION} ${KERNEL_PRIORITY} || true
}
pkg_postrm_kernel-devicetree () {
cd /${KERNEL_IMAGEDEST}; update-alternatives --remove devicetree devicetree-${KERNEL_VERSION} || true
}
|
