[U-Boot] [PATCH 1/2] test/py: move find_ram_base() into u_boot_utils
Stephen Warren
swarren at wwwdotorg.org
Mon Jan 25 17:50:08 CET 2016
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?
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