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1This README file contains information on building the meta-emenlow
2BSP layer using any of the supported machine configurations, and
3booting the images contained in the /binary directory.
4
5If you're only interested in booting the images in the /binary
6directory of a BSP tarball you've downloaded, there's nothing special
7to do - the appropriate images are already in the /binary directory
8depending on which BSP tarball you downloaded.
9
10Please see the corresponding sections below for details.
11
12
13Table of Contents
14=================
15
16 I. Building the meta-emenlow BSP layer
17II. Booting the images in /binary
18
19
20I. Building the meta-emenlow BSP layer
21=======================================
22
23In order to build an image with BSP support for emenlow, you just need
24to check out the poky master branch.
25
26Having done that, you can build an emenlow image by adding the
27location of the meta-emenlow layer to bblayers.conf e.g.:
28
29 yocto/meta-emenlow \
30
31To enable the emenlow layer, add the emenlow MACHINE to local.conf:
32
33 MACHINE ?= "emenlow"
34
35You should then be able to build an emenlow image as such:
36
37 $ source poky-init-build-env
38 $ bitbake poky-image-sato-live
39
40At the end of a successful build, you should have a live image that
41you can boot from a USB flash drive (see instructions on how to do
42that below, in the section 'Booting the images from /binary').
43
44
45II. Booting the images in /binary
46=================================
47
48This BSP contains bootable live images, which can be used to directly
49boot Yocto off of a USB flash drive.
50
51Under Linux, insert a USB flash drive. Assuming the USB flash drive
52takes device /dev/sdf, use dd to copy the live image to it. For
53example:
54
55# dd if=poky-image-sato-live-emenlow-20101207053738.hddimg of=/dev/sdf
56# sync
57# eject /dev/sdf
58
59This should give you a bootable USB flash device. Insert the device
60into a bootable USB socket on the target, and power on. This should
61result in a system booted to the Sato graphical desktop.
62
63If you want a terminal, use the arrows at the top of the UI to move to
64different pages of available applications, one of which is named
65'Terminal'. Clicking that should give you a root terminal.
66
67If you want to ssh into the system, you can use the root terminal to
68ifconfig the IP address and use that to ssh in. The root password is
69empty, so to log in type 'root' for the user name and hit 'Enter' at
70the Password prompt: and you should be in.
71
72----
73
74If you find you're getting corrupt images on the USB (it doesn't show
75the syslinux boot: prompt, or the boot: prompt contains strange
76characters), try doing this first:
77
78# dd if=/dev/zero of=/dev/sdf bs=1M count=512