[yocto] [OE-core] bring mipsel support (little endian mode)

[Dennis.Yxun]

hi Raj:

On Wed, Jun 27, 2012 at 2:40 PM, Khem Raj <raj.khem at gmail.com> wrote:
> On Tue, Jun 26, 2012 at 11:25 PM, Dennis.Yxun <dennis.yxun at gmail.com> wrote:
>> HI ALL:
>>   Sorry for crossing post, but I'm quite new here, so if I did
>> something wrong, please point me the right direction. thanks
>>   I'm using oe-core, and notice that mipsel support(o32, little
>> endian mode) is missing (current available choose is: qemumips,
>> qemumips64, qemumips64el).
>>   So, here I'm trying to bring up qemumipsel support . My first
>> attempt would just make qemumipsel work,
>> further would make it running on real board, thus maybe mips4kec,
>> mips24k, mips74k chips.
>>   What I achieved here current:
>>  1) toolchain/basic libs, utilities should works ,only one changes,
>> see my patch [a]
>>   for mipsel we also have to filter out -march=mips32, previously we
>> only handle mips (the big endian?)
>>   don't have the error message now, but if you request, I can provide.
>>  2) attempt to  compile kernel to support qemumipsel, unfortunately it fail.
>> The point here is linux-yocto doesn't support qemumipsel, but merely
>> support those other three mips arches,
>> So here is my attempt patch [b], and the fail log [c], complied out
>> binary still big endian.
>>
>>   Could my patch [a] be accepted? or should I send with another mail
>> for better review?
>>   Is it better to request a ticket in yocto's bugzilla? or just
>> report here, I'm not quite sure.
>>
>> Dennis
>>
>> [a] 0001-eglibc-support-mipsel-little-endian-filter-out-march.patch
>
> This patch is appropriate for OE-Core, I will add it to my tree.
>
>> [b] 0002-qemu-attempt-to-add-mipsel-little-endian-support-but.patch
>
> This looks good to me but I will leave it to Bruce to decide.
>
>> [c] build_log.txt
>> [d] log.do_package
>>
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I'm quite confident with patch [a], but not sure with patch [b], since
it should point to a sanity SRCREV which works for "qemumipsel" -
little endian side, but here I'm simply duplicate from qemumips (the
big endian port). should confirm?!