dtc: Address an assortment of portability problems

[David Gibson]

On Fri, Jun 27, 2008 at 09:53:03AM -0500, Scott Wood wrote:
> David Gibson wrote:
>> On Thu, Jun 26, 2008 at 10:25:28AM -0500, Scott Wood wrote:
>>> On Thu, Jun 26, 2008 at 11:03:49AM +1000, David Gibson wrote:
>>>> 	- the endian handling functions in libfdt_env.h, based on
>>>> endian.h and byteswap.h are replaced with some portable open-coded
>>>> versions.  Unfortunately, these result in fairly crappy code when
>>>> compiled, but as far as I can determine there doesn't seem to be any
>>>> POSIX, SUS or de facto standard way of determining endianness at
>>>> compile time, nor standard names for byteswapping functions.
>>> Since device-tree and network byte order happen to be the same, we could use
>>> ntohl/htonl.
>>
>> Not for the 64-bit version.
>
> Why?  They operate on uint32_t despite the "l" in the name, and there  
> are no 64-bit fields in the device tree...

Yes there are.  The memory reservations.  We have and need
fdt64_to_cpu().

-- 
David Gibson			| I'll have my music baroque, and my code
david AT gibson.dropbear.id.au	| minimalist, thank you.  NOT _the_ _other_
				| _way_ _around_!
http://www.ozlabs.org/~dgibson