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This gives us a progress bar for the image write, which is quite helpful. See
https://www.ivarch.com/programs/pv.shtml.
Signed-off-by: Christopher Larson <chris_larson@mentor.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
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Update the ddimage script to allow it to work on Mac OS too. The biggest
difference is sysfs vs diskutil and in the syntax of the stat command
between Mac OS and Linux, unfortunately. Workarounds using ls, cut, and
columns got really fragile really quickly. Relying on stat and switching
on uname seemed the more robust solution.
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
Cc: Koen Kooi <koen@dominion.thruhere.net>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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Apparently $[...] isn't valid in dash, so use $((...)) instead for
mkefidisk.sh and ddimage that both start with $!/bin/sh.
Signed-off-by: Paul Eggleton <paul.eggleton@linux.intel.com>
Signed-off-by: Saul Wold <sgw@linux.intel.com>
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On systems with dash as /bin/sh there were failures while invoking ddimage.
Fix to let it work with both bash and dash shells.
[YOCTO #4617]
Signed-off-by: Hongxu Jia <hongxu.jia@windriver.com>
Signed-off-by: Saul Wold <sgw@linux.intel.com>
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oe-core removed the prerequisite to have sh as bash. POSIX doesn't define
any options and furthermore allows 'echo -e' to be the default behavior.
This means that in dash 'echo -e' will actually print '-e' and interpret
backslashes by default. We use instead 'printf' builtin command with or
without '\n' to simulate 'echo -e' or 'echo -n'.
'printf' needs format while 'echo' can be used without any arguments. So
'echo >' was replaced by 'printf "" >'.
'echo' without '-n' flag adds a new line by default so to keep the same
behavior of two new lines while using 'echo "\n"', 'printf "\n\n"' is
used.
[YOCTO #3138]
Signed-off-by: Andrei Gherzan <andrei@gherzan.ro>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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Fixes [YOCTO #1806]
Standard practice is to use the Linux "dd" command to write images to boot
media. This can be error prone and the results of sloppy usage can be
disastrous. Locating the device you want to use is a clumsy process, especially
on a headless build system.
The ddimage script does the following:
o Check the image and device exist
o Check the device is writable
o Compare the device to a blacklist and abort if it's listed
Blacklist defaults to "/dev/sda"
o Display useful identifying information about the image and device
o Prompt the user before commencing the write
The output looks something like this:
$ sudo ~/bin/ddimage tmp/deploy/images/core-image-sato-fri2-noemgd.hddimg /dev/sdk
Image details
=============
image: `tmp/deploy/images/core-image-sato-fri2-noemgd.hddimg' -> `core-image-sato-fri2-noemgd-20111202214038.hddimg'
size: 318568448 bytes
modified: 2011-12-02 13:45:05.298897861 -0800
type: x86 boot sector, code offset 0x58, OEM-ID "SYSLINUX", sectors/cluster 16, root entries 512, Media descriptor 0xf8, sectors/FAT 152, heads 64, hidden sectors 32, sectors 622204 (volumes > 32 MB) , serial number 0x4ed946e0, label: "boot ", FAT (16 bit)
Device details
==============
device: /dev/sdk
vendor: Kingston
model: DT 101 G2
Write tmp/deploy/images/core-image-sato-fri2-noemgd.hddimg to /dev/sdk [y/N]? y
Writing image...
303+1 records in
303+1 records out
318568448 bytes (319 MB) copied, 53.6766 s, 5.9 MB/s
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
CC: Dexuan Cui <dexuan.cui@intel.com>
CC: Joshua Lock <josh@linux.intel.com>
CC: Kishore K Bodke <kishore.k.bodke@intel.com>
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Christopher Larson
Darren Hart
Paul Eggleton
Hongxu Jia
Andrei Gherzan