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
|
# This describes a generic SlugOS image, even though the bb file is
# called 'slugos-image.bb' the distro specific configuration is
# done in conf/distro/${DISTRO}.conf (which should always include
# conf/distro/slugos.conf to get the standard settings).
#
DESCRIPTION = "Generic SlugOS image"
MAINTAINER = "NSLU2 Linux <nslu2-linux@yahoogroups.com>"
HOMEPAGE = "http://www.nslu2-linux.org"
LICENSE = "MIT"
PR = "r34"
# SLUGOS_IMAGENAME defines the name of the image to be build, if it
# is not set this package will be skipped!
IMAGE_BASENAME = "${SLUGOS_IMAGENAME}"
IMAGE_FSTYPES = "jffs2"
EXTRA_IMAGECMD_jffs2 = "--pad --${SLUGOS_IMAGESEX} --eraseblock=0x20000 -D ${SLUGOS_DEVICE_TABLE}"
IMAGE_LINGUAS = ""
# Setting USE_DEVFS prevents *any* entries being created initially
# in /dev
USE_DEVFS = "1"
# This is passed to the image command to build the correct /dev
# directory (because only the image program can make actual
# dev entries!)
SLUGOS_DEVICE_TABLE = "${@bb.which(bb.data.getVar('BBPATH', d, 1), 'files/device_table-slugos.txt')}"
# IMAGE_PREPROCESS_COMMAND is run before making the image. In SlugOS the
# kernel image is removed from the root file system to recover the space used -
# SlugOS is assumed to boot from a separate kernel image in flash (not in the
# root file system), if this is not the case the following must not be done!
IMAGE_PREPROCESS_COMMAND += "rm ${IMAGE_ROOTFS}/boot/zImage*;"
IMAGE_PREPROCESS_COMMAND += "install -c -m 644 ${SLUGOS_DEVICE_TABLE} ${IMAGE_ROOTFS}/etc/device_table;"
# Building a full image. If required do a post-process command which builds
# the full flash image using slugimage. At present this only works for NSLU2 images.
PACK_IMAGE = ""
IMAGE_POSTPROCESS_COMMAND += "${PACK_IMAGE}"
PACK_IMAGE_DEPENDS = ""
EXTRA_IMAGEDEPENDS += "${PACK_IMAGE_DEPENDS}"
# This hack removes '${MACHINE}' from the end of the arch.conf for ipk,
# preventing _mach.ipk (with no byte sex) taking precedence over everything
# else.
ROOTFS_POSTPROCESS_COMMAND += "sed -i '$d' '${IMAGE_ROOTFS}/etc/ipkg/arch.conf';"
# These depends define native utilities - they do not get put in the flash and
# are not required to build the image.
IMAGE_TOOLS = ""
EXTRA_IMAGEDEPENDS += "${IMAGE_TOOLS}"
# CONFIG:
# SLUGOS_EXTRA_RDEPENDS: set in conf, things to add to the image
# SLUGOS_SUPPORT: set to here, see below, added to the image.
# SLUGOS_KERNEL: set here, kernel modules added to the image
#
# Do not override the last two unless you really know what you
# are doing - there is more information below.
# diff, cpio and find are required for reflash and turnup ram.
# Removing these probably leaves the system bootable, but standard
# openslug and ucslugc stuff won't work, so only take these out in
# very non-standard turnkey slugos builds.
#
# udev is the default way of handling devices, there is no guarantee
# that the static device table is completely correct (it is just
# known to be sufficient for boot.)
SLUGOS_SUPPORT ?= "diffutils cpio findutils busybox-mdev"
# kernel-module-af-packet must be in the image for DHCP to work
# kernel-module-netconsole is here because it is small and is
# highly useful on minimal systems (which really don't have anywhere
# other than the network to output error messages!)
SLUGOS_KERNEL ?= "kernel-module-af-packet kernel-module-netconsole \
kernel-module-ixp4xx-qmgr kernel-module-ixp4xx-npe \
kernel-module-ixp4xx-mac kernel-module-mii \
"
RDEPENDS = "kernel ixp4xx-npe \
base-files base-passwd netbase \
busybox initscripts-slugos slugos-init \
update-modules sysvinit tinylogin \
module-init-tools modutils-initscripts \
ipkg-collateral ipkg ipkg-link \
portmap \
dropbear \
beep \
e2fsprogs-blkid \
util-linux-mount \
util-linux-umount \
util-linux-swaponoff \
util-linux-losetup \
${SLUGOS_SUPPORT} \
${SLUGOS_KERNEL} \
${SLUGOS_EXTRA_RDEPENDS}"
IPKG_INSTALL = "${RDEPENDS}"
inherit image_ipk
python () {
# Don't build slugos images unless the configuration is set up
# for an image build!
if bb.data.getVar("SLUGOS_IMAGENAME", d, 1) == '' or bb.data.getVar("SLUGOS_IMAGESEX", d, 1) == '':
raise bb.parse.SkipPackage("absent or broken SlugOS configuration")
}
#--------------------------------------------------------------------------------
# NSLU2 specific
#
#NOTE: you do not actually need the boot loader in normal use because it is
# *not* overwritten by a standard upslug upgrade, so you can make an image with
# just non-LinkSys software which can be flashed into the NSLU2. Because
# LinkSys have made "EraseAll" available, however, (this does overwrite RedBoot)
# it is a bad idea to produce flash images without a valid RedBoot - that allows
# an innocent user upgrade attempt to instantly brick the NSLU2.
PACK_IMAGE += "${@['', 'nslu2_pack_image;'][bb.data.getVar('SLUGOS_FLASH_IMAGE', d, 1) == 'yes']}"
PACK_IMAGE_DEPENDS += "${@['', 'slugimage-native nslu2-linksys-firmware'][bb.data.getVar('SLUGOS_FLASH_IMAGE', d, 1) == 'yes']}"
NSLU2_SLUGIMAGE_ARGS ?= ""
nslu2_pack_image() {
if test '${SLUGOS_FLASH_IMAGE}' = yes
then
install -d ${DEPLOY_DIR_IMAGE}/slug
install -m 0644 ${STAGING_LIBDIR}/nslu2-binaries/RedBoot \
${STAGING_LIBDIR}/nslu2-binaries/Trailer \
${STAGING_LIBDIR}/nslu2-binaries/SysConf \
${DEPLOY_DIR_IMAGE}/slug/
install -m 0644 ${DEPLOY_DIR_IMAGE}/zImage-nslu2${ARCH_BYTE_SEX} \
${DEPLOY_DIR_IMAGE}/slug/vmlinuz
install -m 0644 ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.jffs2 \
${DEPLOY_DIR_IMAGE}/slug/flashdisk.jffs2
cd ${DEPLOY_DIR_IMAGE}/slug
slugimage -p -b RedBoot -s SysConf -r Ramdisk:1,Flashdisk:flashdisk.jffs2 -t \
Trailer -o ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.flashdisk.img \
${NSLU2_SLUGIMAGE_ARGS}
rm -rf ${DEPLOY_DIR_IMAGE}/slug
fi
}
# upslug2 (in tmp/work/upslug2-native-*) is the program to write the NSLU2 flash
IMAGE_TOOLS_nslu2 = "upslug2-native"
|
