[PATCH 11/13] powerpc: Add DTS file for the Motorola PrPMC2800 platform
Segher Boessenkool
segher at kernel.crashing.org
Mon May 14 00:45:51 EST 2007
>> Not bad at all -- it is trivial to decode _if_ you know
>> how it is encoded. You cannot tell by looking at the
>> property data only. What is [44 54 53 00] -- just some
>> bytes, or the integer 0x44545300, or the string "DTS"?
>> You cannot tell.
>
> OK. I was coming from the u-boot "fdt print" command. We do a pretty
> good job of guessing the print format (byte/word/long/string/strings),
> but this would fail the detection circuitry and be printed as a byte
> array [00, 00, 00, 05, 44, 54, ...] (the default format) because it
> takes a-priori knowledge to print it in the original input format.
> Not quite as pretty, but NBD.
Yes, every possible way of displaying property contents
is based on heuristics, some better than others -- taking
the property name (and perhaps some other context) into
account helps a lot. Also, hardly any property is not
an array of 32-bit ints or an array of strings.
Segher
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