summaryrefslogtreecommitdiff
path: root/packages/linux/linux.inc
blob: 6fa479115062e30cdfa05d2a83a667ed3b6a20b0 (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
DESCRIPTION = "Linux Kernel"
SECTION = "kernel"
LICENSE = "GPL"

inherit kernel

# Not every device needs mkimage to generate a kernel image, but lets make OE a bit more
# friendly and increase the "Just Works(TM) factor. Building uboot takes only a minute.
DEPENDS += " u-boot-mkimage-openmoko-native "


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

# 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"

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
                echo "CONFIG_OABI_COMPAT=y"             >> ${S}/.config
        else
                echo "# CONFIG_AEABI is not set"        >> ${S}/.config
                echo "# CONFIG_OABI_COMPAT is not set"  >> ${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' \
            < '${WORKDIR}/defconfig' >>'${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
}

# Support checking the kernel size since some kernels need to reside in partitions
# with a fixed length or there is a limit in transferring the kernel to memory
do_sizecheck() {
        if [ ! -z "${KERNEL_IMAGE_MAXSIZE}" ]; then
            size=`ls -l arch/${ARCH}/boot/${KERNEL_IMAGETYPE} | awk '{ print $5}'`
            if [ $size -ge ${KERNEL_IMAGE_MAXSIZE} ]; then
                    rm arch/${ARCH}/boot/${KERNEL_IMAGETYPE}
                    die  "This kernel (size=$size) is too big for your device. Please reduce the size of the kernel by making more of it modular."
            fi
        fi
}

UBOOT_ENTRYPOINT ?= "20008000"

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 ${ARCH} -O linux -T kernel -C none -a ${UBOOT_ENTRYPOINT} -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 ${ARCH} -O linux -T kernel -C gzip -a ${UBOOT_ENTRYPOINT} -e ${UBOOT_ENTRYPOINT} -n "${DISTRO_NAME}/${PV}/${MACHINE}" -d linux.bin.gz arch/${ARCH}/boot/uImage
            rm -f linux.bin.gz
        fi
    fi
}

KERNEL_IMAGE_BASE_NAME = "${KERNEL_IMAGETYPE}-${PV}-${PR}-${MACHINE}-${DATETIME}"
KERNEL_IMAGE_SYMLINK_NAME = "${KERNEL_IMAGETYPE}-${MACHINE}"

do_deploy() {
        install -d ${DEPLOY_DIR_IMAGE}
        install -m 0644 arch/${ARCH}/boot/${KERNEL_IMAGETYPE} ${DEPLOY_DIR_IMAGE}/${KERNEL_IMAGE_BASE_NAME}.bin
        tar -cvzf ${DEPLOY_DIR_IMAGE}/modules-${KERNEL_RELEASE}-${PR}-${MACHINE}.tgz -C ${D} lib

        cd ${DEPLOY_DIR_IMAGE}
        rm -f ${KERNEL_IMAGE_SYMLINK_NAME}.bin
        ln -sf ${KERNEL_IMAGE_BASE_NAME}.bin ${KERNEL_IMAGE_SYMLINK_NAME}.bin
}

do_deploy[dirs] = "${S}"

addtask sizecheck before do_install after do_compile
addtask deploy before do_package after do_install