Commit Graph

138 Commits

Author SHA1 Message Date
Simon Glass
c910e2e2da dm: Avoid accessing uclasses before they are ready
Don't allow access to uclasses before they have been initialised.

Signed-off-by: Simon Glass <sjg@chromium.org>
2014-07-23 14:07:26 +01:00
Simon Glass
f4cdead24a dm: Allow a device to be found by its FDT offset
Each device that was bound from a device tree has an node that caused it to
be bound. Add functions that find and return a device based on a device tree
offset.

Signed-off-by: Simon Glass <sjg@chromium.org>
2014-07-23 14:07:25 +01:00
Simon Glass
b7d665705e dm: Display the sequence number for each device
Add this information to 'dm tree' and 'dm uclass' commands.

Signed-off-by: Simon Glass <sjg@chromium.org>
2014-07-23 14:07:25 +01:00
Simon Glass
5a66a8ff86 dm: Introduce device sequence numbering
In U-Boot it is pretty common to number devices from 0 and access them
on the command line using this numbering. While it may come to pass that
we will move away from this numbering, the possibility seems remote at
present.

Given that devices within a uclass will have an implied numbering, it
makes sense to build this into driver model as a core feature. The cost
is fairly small in terms of code and data space.

With each uclass having numbered devices we can ask for SPI port 0 or
serial port 1 and receive a single device.

Devices typically request a sequence number using aliases in the device
tree. These are resolved when the device is probed, to deal with conflicts.
Sequence numbers need not be sequential and holes are permitted.

At present there is no support for sequence numbers using static platform
data. It could easily be added to 'struct driver_info' if needed, but it
seems better to add features as we find a use for them, and the use of -1
to mean 'no sequence' makes the default value somewhat painful.

Signed-off-by: Simon Glass <sjg@chromium.org>
2014-07-23 14:07:25 +01:00
Simon Glass
4e8bc21170 dm: Avoid activating devices in 'dm uclass' command
This command currently activates devices as it lists them. This is not
desirable since it changes the system state. Fix it and avoid printing
a newline if there are no devices in a uclass.

Signed-off-by: Simon Glass <sjg@chromium.org>
2014-07-23 14:07:25 +01:00
Simon Glass
fffa24d7c5 dm: Move device display into its own function
The device display for 'dm tree' and 'dm uclass' is mostly the same, so
move it into a common function.

Signed-off-by: Simon Glass <sjg@chromium.org>
2014-07-23 14:07:25 +01:00
Simon Glass
00606d7e39 dm: Allow drivers to be marked 'before relocation'
Driver model currently only operates after relocation is complete. In this
state U-Boot typically has a small amount of memory available. In adding
support for driver model prior to relocation we must try to use as little
memory as possible.

In addition, on some machines the memory has not be inited and/or the CPU
is not running at full speed or the data cache is off. These can reduce
execution performance, so the less initialisation that is done before
relocation the better.

An immediately-obvious improvement is to only initialise drivers which are
actually going to be used before relocation. On many boards the only such
driver is a serial UART, so this provides a very large potential benefit.

Allow drivers to mark themselves as 'pre-reloc' which means that they will
be initialised prior to relocation. This can be done either with a driver
flag or with a 'dm,pre-reloc' device tree property.

To support this, the various dm scanning function now take a 'pre_reloc_only'
parameter which indicates that only drivers marked pre-reloc should be
bound.

Signed-off-by: Simon Glass <sjg@chromium.org>
2014-07-23 14:07:24 +01:00
Simon Glass
7497812d47 dm: Make sure that the root device is probed
The root device should be probed just like any other device. The effect of
this is to mark the device as activated, so that it can be removed (along
with its children) if required.

Signed-off-by: Simon Glass <sjg@chromium.org>
Acked-by: Marek Vasut <marex@denx.de>
2014-07-23 14:07:24 +01:00
Simon Glass
eb9ef5fee7 dm: Use an explicit expect value in core tests
Rather than reusing the 'reg' property, use an explicit property for the
expected ping value used in testing.

Signed-off-by: Simon Glass <sjg@chromium.org>
2014-07-23 14:07:23 +01:00
Tom Rini
ba9b42c81b Merge branch 'sandbox' of git://git.denx.de/u-boot-x86 2014-06-24 14:06:22 -04:00
Stephen Warren
4d907025d6 sandbox: restore ability to access host fs through standard commands
Commit 95fac6ab45 "sandbox: Use os functions to read host device tree"
removed the ability for get_device_and_partition() to handle the "host"
device type, and redirect accesses to it to the host filesystem. This
broke some unit tests that use this feature. So, revert that change. The
code added back by this patch is slightly different to pacify checkpatch.

However, we're then left with "host" being both:
- A pseudo device that accesses the hosts real filesystem.
- An emulated block device, which accesses "sectors" inside a file stored
  on the host.

In order to resolve this discrepancy, rename the pseudo device from host
to hostfs, and adjust the unit-tests for this change.

The "help sb" output is modified to reflect this rename, and state where
the host and hostfs devices should be used.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
Tested-by: Josh Wu <josh.wu@atmel.com>
Acked-by: Simon Glass <sjg@chromium.org>
Tested-by: Simon Glass <sjg@chromium.org>
2014-06-23 15:37:23 -06:00
Simon Glass
4af5b1445c dm: Use '*' to indicate a device is activated
Make both dm enumeration commands support showing whether a driver is active
or not, and use a consistent indicator (an asterisk).

Signed-off-by: Simon Glass <sjg@chromium.org>
Acked-by: Marek Vasut <marex@denx.de>
2014-06-21 10:12:43 -06:00
Simon Glass
184b1b7175 dm: Fix printf() strings in the 'dm' command
The values here are int, but the map_to_sysmem() call can return a long.
Add a cast to deal with this.

Signed-off-by: Simon Glass <sjg@chromium.org>
2014-06-20 11:56:28 -06:00
Simon Glass
b6a49a7ae7 dm: Allow driver model tests only for sandbox
The GPIO tests require the sandbox GPIO driver, so cannot be run on other
platforms. Similarly for the 'dm test' command.

Signed-off-by: Simon Glass <sjg@chromium.org>
2014-06-20 11:55:52 -06:00
Simon Glass
ae7f451308 dm: Rename struct device_id to udevice_id
It is best to avoid having any occurence of 'struct device' in driver
model, so rename to achieve this.

Signed-off-by: Simon Glass <sjg@chromium.org>
2014-06-20 11:55:18 -06:00
Stephen Warren
967a99ad82 test: vboot: explicitly request bash
vboot_test.sh uses Bashisms. Explicitly use #!/bin/bash so the script
doesn't fail if /bin/sh isn't Bash.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Simon Glass <sjg@chromium.org>
2014-06-19 11:19:04 -04:00
Simon Glass
93ce7561cb Add final result tests for run_command_list()
run_command_list() is supposed to return a return code of 0 for success
and 1 for failure. Add a few simple tests that confirm this. These tests
work both with the built-in parser and hush.

Signed-off-by: Simon Glass <sjg@chromium.org>
2014-06-05 14:38:38 -04:00
Heiko Schocher
54c5d08a09 dm: rename device struct to udevice
using UBI and DM together leads in compiler error, as
both define a "struct device", so rename "struct device"
in include/dm/device.h to "struct udevice", as we use
linux code (MTD/UBI/UBIFS some USB code,...) and cannot
change the linux "struct device"

Signed-off-by: Heiko Schocher <hs@denx.de>
Cc: Simon Glass <sjg@chromium.org>
Cc: Marek Vasut <marex@denx.de>
2014-05-27 10:21:32 -04:00
Heiko Schocher
29a23f9d6c tools, fit_check_sign: verify a signed fit image
add host tool "fit_check_sign" which verifies, if a fit image is
signed correct.

Signed-off-by: Heiko Schocher <hs@denx.de>
Cc: Simon Glass <sjg@chromium.org>
2014-03-21 16:40:38 -04:00
Heiko Schocher
646257d1f4 rsa: add sha256-rsa2048 algorithm
based on patch from andreas@oetken.name:

http://patchwork.ozlabs.org/patch/294318/
commit message:
I currently need support for rsa-sha256 signatures in u-boot and found out that
the code for signatures is not very generic. Thus adding of different
hash-algorithms for rsa-signatures is not easy to do without copy-pasting the
rsa-code. I attached a patch for how I think it could be better and included
support for rsa-sha256. This is a fast first shot.

aditionally work:
- removed checkpatch warnings
- removed compiler warnings
- rebased against current head

Signed-off-by: Heiko Schocher <hs@denx.de>
Cc: andreas@oetken.name
Cc: Simon Glass <sjg@chromium.org>
2014-03-21 16:39:34 -04:00
Stephen Warren
cfd13e8dda unit-test: make "test -e" test independent of $CWD
The unit-test for hush's "test -e" currently relies upon being run in
the U-Boot build directory, because it tests for the existence of a file
that exists in that directory.

Fix this by explicitly creating the file we use for the existence test,
and deleting it afterwards so that multiple successive unit-test
invocations succeed. This required adding an os.c function to erase
files.

Reported-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Stephen Warren <swarren@wwwdotorg.org>
2014-03-07 10:59:06 -05:00
Stephen Warren
fe9ca3d328 hush: fix some quoted variable expansion issues
The following shell command fails:

if test -z "$x"; then echo "zero"; else echo "non-zero"; fi

(assuming $x does not exist, it prints "non-zero" rather than "zero").

... since "$x" expands to nothing, and the argument is completely
dropped, causing too few to be passed to -z, causing cmd_test() to
error out early.

This is because when variable expansions are processed by make_string(),
the expanded results are concatenated back into a new string. However,
no quoting is applied when doing so, so any empty variables simply don't
generate any parameter when the combined string is parsed again.

Fix this by explicitly replacing quoting any argument that was originally
quoted when re-generating a string from the already-parsed argument list.

This also fixes loss of whitespace in commands such as:

setenv space " "
setenv var " 1${space}${space} 2 "
echo ">>${var}<<"

Reported-by: Russell King <linux@arm.linux.org.uk>
Acked-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Stephen Warren <swarren@wwwdotorg.org>
2014-03-07 10:59:06 -05:00
Stephen Warren
eebd1b58d0 unit-test: clean up evironment after Hush tests
Delete the temporary variables that are used to save unit-test results
from the environment after running the test. This prevents polluting
the environment, or growing it too much.

Signed-off-by: Stephen Warren <swarren@wwwdotorg.org>
Acked-by: Simon Glass <sjg@chromium.org>
2014-03-07 10:59:06 -05:00
Simon Glass
96495d90fe dm: Add GPIO support and tests
Add driver model support for GPIOs. Since existing GPIO drivers do not use
driver model, this feature must be enabled by CONFIG_DM_GPIO. After all
GPO drivers are converted over we can perhaps remove this config.

Tests are provided for the sandbox implementation, and are a sufficient
sanity check for basic operation.

The GPIO uclass understands the concept of named banks of GPIOs, with each
GPIO device providing a single bank. Within each bank the GPIOs are numbered
using an offset from 0 to n-1. For example a bank named 'b' with 20
offsets will provide GPIOs named b0 to b19.

Anonymous GPIO banks are also supported, and are just numbered without any
prefix.

Each time a GPIO driver is added to the uclass, the GPIOs are renumbered
accordinging, so there is always a global GPIO numbering order.

Signed-off-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Marek Vasut <marex@denx.de>
Signed-off-by: Pavel Herrmann <morpheus.ibis@gmail.com>
Signed-off-by: Viktor Křivák <viktor.krivak@gmail.com>
Signed-off-by: Tomas Hlavacek <tmshlvck@gmail.com>
2014-03-04 12:15:30 -05:00
Simon Glass
0681195977 dm: Add a 'dm' command for testing
This command is not required for driver model operation, but can be useful
for testing. It provides simple dumps of internal data structures.

Signed-off-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Marek Vasut <marex@denx.de>
Signed-off-by: Pavel Herrmann <morpheus.ibis@gmail.com>
Signed-off-by: Viktor Křivák <viktor.krivak@gmail.com>
Signed-off-by: Tomas Hlavacek <tmshlvck@gmail.com>
2014-03-04 12:15:29 -05:00
Simon Glass
2e7d35d2a6 dm: Add basic tests
Add some tests of driver model functionality. Coverage includes:

- basic init
- binding of drivers to devices using platform_data
- automatic probing of devices when referenced
- availability of platform data to devices
- lifecycle from bind to probe to remove to unbind
- renumbering within a uclass when devices are probed/removed
- calling driver-defined operations
- deactivation of drivers when removed
- memory leak across creation and destruction of drivers/uclasses
- uclass init/destroy methods
- automatic probe/remove of children/parents when needed

This function is enabled for sandbox, using CONFIG_DM_TEST.

Signed-off-by: Simon Glass <sjg@chromium.org>
2014-03-04 12:15:29 -05:00
Stephen Warren
f2afe70196 unit-test: add lots of tests for the Hush 'test' command
I recently re-wrote cmd_test() to add new features. Add a bunch of unit-
tests to make sure I didn't break anything.

Suggested-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
2014-02-19 09:47:34 -05:00
Stephen Warren
6748672884 unit-test: fix 'env default' invocation
"env default -f" doesn't work any more; replace it with
"env default -f -a". This avoids the following when running the ut
command:

do_ut_cmd: Testing commands
env - environment handling commands

Usage:
env default [-f] -a - [forcibly] reset default environment
...

Signed-off-by: Stephen Warren <swarren@nvidia.com>
2014-02-19 09:47:34 -05:00
Guilherme Maciel Ferreira
6496d00fb8 sandbox: dumpimage: Test dumpimage
Add a test for dumpimage.

Signed-off-by: Guilherme Maciel Ferreira <guilherme.maciel.ferreira@gmail.com>
Signed-off-by: Simon Glass <sjg@chromium.org>
2013-12-13 09:15:32 -05:00
Masahiro Yamada
bcfe8fdf32 dts, api, test: convert makefiles to Kbuild style
Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
2013-11-01 11:42:12 -04:00
Wolfgang Denk
93e1459641 Coding Style cleanup: replace leading SPACEs by TABs
Signed-off-by: Wolfgang Denk <wd@denx.de>
[trini: Drop changes for PEP 4 following python tools]
Signed-off-by: Tom Rini <trini@ti.com>
2013-10-14 16:06:54 -04:00
Kees Cook
3153e915b4 sandbox: add compression tests
This adds the "test_compression" command when building the sandbox. This
tests the existing compression and decompression routines for simple
sanity and for buffer overflow conditions.

Signed-off-by: Kees Cook <keescook@chromium.org>
Acked-by: Simon Glass <sjg@chromium.org>
2013-09-03 13:30:05 -06:00
Wolfgang Denk
1a4596601f Add GPL-2.0+ SPDX-License-Identifier to source files
Signed-off-by: Wolfgang Denk <wd@denx.de>
[trini: Fixup common/cmd_io.c]
Signed-off-by: Tom Rini <trini@ti.com>
2013-07-24 09:44:38 -04:00
Simon Glass
041bca5ba3 Add verified boot information and test
Add a description of how to implement verified boot using signed FIT images,
and a simple test which verifies operation on sandbox.

The test signs a FIT image and verifies it, then signs a FIT configuration
and verifies it. Then it corrupts the signature to check that this is
detected.

Signed-off-by: Simon Glass <sjg@chromium.org>
2013-06-26 10:18:57 -04:00
Simon Glass
37544a6dab Add a simple test for sandbox trace
It is difficult to automatically test tracing on most architectures, but
with sandbox it is easy enough to do a simple sanity check.

Signed-off-by: Simon Glass <sjg@chromium.org>
2013-06-26 10:16:41 -04:00
Simon Glass
aec36cfdac Show stdout on error in fit-test
When this test fails it is useful to see the output from U-Boot. Add
printing of this information on failure.

Signed-off-by: Simon Glass <sjg@chromium.org>
2013-06-26 10:16:41 -04:00
Simon Glass
301e803867 sandbox: image: Create a test for loading FIT images
The image code is fairly complex with various different options. It would
be useful to have comprehensive tests for this.

As a start, create a script which tries out loading a kernel/ramdisk/fdt
from a FIT and checks that the images appear in the right place in memory.

This uses sandbox which now supports bootm and related features.

Signed-off-by: Simon Glass <sjg@chromium.org>
2013-06-04 16:06:32 -04:00
Simon Glass
a72007d999 sandbox: Add basic test for command execution
Since run_command() and run_command_list() are important and a little
confusing, add some basic tests to check that the behaviour is correct.

Note: I am not sure that this should be committed, nor where it should go
in the source tree. Comments welcome.

To run the unit tests use the ut_cmd command available in sandbox:

make sandbox_config
make
./u-boot -c ut_cmd

(To test both hush and built-in parsers, you need to manually change
CONFIG_SYS_HUSH_PARSER in include/configs/sandbox.h and build/run again)

Signed-off-by: Simon Glass <sjg@chromium.org>
2012-08-09 22:06:48 +02:00