summaryrefslogtreecommitdiff
path: root/recipes/linux/linux.inc
blob: 0b188d44d1953c27a91a4352fcd7a6891f67ecc7 (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
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
DESCRIPTION = "Linux Kernel"
SECTION = "kernel"
LICENSE = "GPLv2"

inherit kernel siteinfo

RPSRC = "http://www.rpsys.net/openzaurus/patches/archive"

# Enable OABI compat for people stuck with obsolete userspace
ARM_KEEP_OABI ?= "1"

# Quirk for udev greater or equal 141
UDEV_GE_141 ?= "0"

# 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 = "${WORKDIR}/boc01.dts"
KERNEL_DEVICETREE_calamari = "arch/${ARCH}/boot/dts/mpc8536ds.dts"
KERNEL_DEVICETREE_canyonlands = "arch/${ARCH}/boot/dts/canyonlands.dts"
KERNEL_DEVICETREE_kilauea = "arch/${ARCH}/boot/dts/kilauea.dts"
KERNEL_DEVICETREE_lsppchd = "arch/${ARCH}/boot/dts/kuroboxHD.dts"
KERNEL_DEVICETREE_lsppchg = "arch/${ARCH}/boot/dts/kuroboxHG.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/${ARCH}/boot/dts/mpc832x_rdb.dts"
KERNEL_DEVICETREE_sequoia = "arch/${ARCH}/boot/dts/sequoia.dts"
KERNEL_DEVICETREE_mpc8641-hpcn = "arch/${ARCH}/boot/dts/mpc8641_hpcn.dts"
KERNEL_DEVICETREE_p2020ds = "arch/${ARCH}/boot/dts/p2020ds.dts"
KERNEL_DEVICETREE_xilinx-ml507 = "arch/${ARCH}/boot/dts/virtex440-ml507.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() {

        # Rename getline in ./scripts/unifdef.c
        # Kernels up to 2.6.29 are currently failing to build unifdef.c,
        # clashing with exposed getline() from <stdio.h>
        # see https://patchwork.kernel.org/patch/11166/
        # committed in 2.6.29 (commit d15bd1067b1fcb2b7250d22bc0c7c7fea0b759f7)

        sed -i -e 's/getline/parseline/g' ${S}/scripts/unifdef.c


        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-uclibceabi" ]; 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

        # Enable thumb2 fixup for specific issue in angstrom toolchains when used on A8 r1p[012] silicon
        if [ "${DISTRO_NAME}" = "Angstrom" ] ; then
            sed -i -e /CONFIG_ARM_ERRATA_430973/d ${WORKDIR}/defconfig
            echo "CONFIG_ARM_ERRATA_430973=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' \
            -e '/CONFIG_LOCALVERSION_AUTO/d' \
	    < '${WORKDIR}/defconfig' >>'${S}/.config'

        echo 'CONFIG_LOCALVERSION=""' >>${S}/.config
        echo '# CONFIG_LOCALVERSION_AUTO is not set' >>${S}/.config

        #
        # Udev quirks
        #

        # Newer versions of udev mandate that sysfs doesn't have deprecated entries
        if [ "${UDEV_GE_141}" = "1" ] ; then
            sed -e /CONFIG_SYSFS_DEPRECATED/d \
                -e /CONFIG_SYSFS_DEPRECATED_V2/d \
                -e /CONFIG_HOTPLUG/d \
                -e /CONFIG_UEVENT_HELPER_PATH/d \
                -e /CONFIG_UNIX/d \
                -e /CONFIG_SYSFS/d \
                -e /CONFIG_PROC_FS/d \
                -e /CONFIG_TMPFS/d \
                -e /CONFIG_INOTIFY_USER/d \
                -e /CONFIG_SIGNALFD/d \
                -e /CONFIG_TMPFS_POSIX_ACL/d \
                -e /CONFIG_BLK_DEV_BSG/d \
                -i '${S}/.config'

            echo '# CONFIG_SYSFS_DEPRECATED is not set' >> ${S}/.config
            echo '# CONFIG_SYSFS_DEPRECATED_V2 is not set' >> ${S}/.config
            echo 'CONFIG_HOTPLUG=y' >> ${S}/.config
            echo 'CONFIG_UEVENT_HELPER_PATH=""' >> ${S}/.config
            echo 'CONFIG_UNIX=y' >> ${S}/.config
            echo 'CONFIG_SYSFS=y' >> ${S}/.config
            echo 'CONFIG_PROC_FS=y' >> ${S}/.config
            echo 'CONFIG_TMPFS=y' >> ${S}/.config
            echo 'CONFIG_INOTIFY_USER=y' >> ${S}/.config
            echo 'CONFIG_SIGNALFD=y' >> ${S}/.config
            echo 'CONFIG_TMPFS_POSIX_ACL=y' >> ${S}/.config
            echo 'CONFIG_BLK_DEV_BSG=y' >> ${S}/.config
            echo 'CONFIG_DEVTMPFS=y' >> ${S}/.config
            echo 'CONFIG_DEVTMPFS_MOUNT=y' >> ${S}/.config
        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}"
                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_configure_append() {
        if test -e scripts/Makefile.fwinst ; then
		sed -i -e "s:-m0644:-m 0644:g" scripts/Makefile.fwinst
	fi
}

do_install_append() {
	oe_runmake headers_install INSTALL_HDR_PATH=${D}${exec_prefix}/src/linux-${KERNEL_VERSION} ARCH=$ARCH
}

PACKAGES =+ "kernel-headers"
FILES_kernel-headers = "${exec_prefix}/src/linux*"

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 -d ${DEPLOY_DIR_IMAGE}
        install -m 0644 devicetree ${DEPLOY_DIR_IMAGE}/${KERNEL_IMAGE_BASE_NAME}.dtb
        package_stagefile_shell ${DEPLOY_DIR_IMAGE}/${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
        package_stagefile_shell ${DEPLOY_DIR_IMAGE}/${KERNEL_IMAGE_SYMLINK_NAME}.dtb
    fi
}

addtask devicetree_image after do_install before do_package do_deploy

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
}