[U-Boot] [PATCH 1/2] test/py: move find_ram_base() into u_boot_utils

[Simon Glass]

Hi Stephen,

On 25 January 2016 at 18:09, Stephen Warren <swarren at wwwdotorg.org> wrote:
> On 01/25/2016 06:03 PM, Simon Glass wrote:
>>
>> Hi Stephen,
>>
>> On 25 January 2016 at 09:50, Stephen Warren <swarren at wwwdotorg.org> wrote:
>>>
>>> On 01/22/2016 03:30 PM, Wolfgang Denk wrote:
>>>>
>>>>
>>>> Dear Stephen,
>>>>
>>>> In message <1453417531-23669-1-git-send-email-swarren at wwwdotorg.org> you
>>>> wrote:
>>>>>
>>>>>
>>>>>
>>>>> find_ram_base() is a shared utility function, not a core part of the
>>>>> U-Boot console interaction.
>>>>
>>>>
>>>>
>>>> On which boards did you test this feature?  Eventually ARM only?
>>>
>>>
>>>
>>> It's been tested on a few ARM, sandbox, and at least one microblaze.
>>>
>>>>> +    with u_boot_console.log.section('find_ram_base'):
>>>>> +        response = u_boot_console.run_command('bdinfo')
>>>>> +        for l in response.split('\n'):
>>>>> +            if '-> start' in l:
>>>>> +                ram_base = int(l.split('=')[1].strip(), 16)
>>>>> +                break
>>>>
>>>>
>>>>
>>>> Searching for "-> start" is probably not exactly portable.  For
>>>> example, on a PowerPC system the output of "bdi" might look like this:
>>>>
>>>> => bdi
>>>> memstart    = 0x00000000
>>>> memsize     = 0x04000000
>>>
>>>
>>> ...
>>>>
>>>>
>>>>
>>>> [example is from a TQM5200S, U-Boot 2016.01-00223-gb57843e]
>>>
>>>
>>>
>>> Good point. I think the best fix here is to modify all implementations of
>>> "bdinfo" to print the same information and in the same format as much as
>>> possible. Do you agree?
>>
>>
>> Yes - and the best way to do this is to use the same code for all
>> boards if possible.
>>
>> BTW I can't apply this patch as the u_boot_utils.py file is missing.
>> Can you please rebase and resend?
>
>
> Do you have "test/py: add various utility code" already applied? That
> creates u_boot_utils.py. As mentioned in the original patch email, this
> series depends on the series that contains that patch. You had replied
> earlier that you had applied that series in u-boot-dm.

Ah yes, user error, sorry.

BTW re your question about """ for comments, please see PEP8 etc.:

http://legacy.python.org/dev/peps/pep-0008/#block-comments
https://www.python.org/dev/peps/pep-0257/

Applied to u-boot-dm, thanks!

Regards,
Simon