Andrew Wiley wrote:
>On Tue, Sep 6, 2011 at 2:25 PM, Johannes Pfau <spam@example.com> wrote:
>

>> Trass3r wrote:
>> >> I've heard that our company is considering the T20 from
>> >> Toradex.com for a new project with remote hardware. The platform
>> >> runs on Nvidia Tegra and Linux.
>> >>
>> >> Since I have been very impressed by the D programming language,
>> >> for some years now, could it be possible to use D in such
>> >> projects?
>> >
>> >You'd have to use gdc or ldc and patch at least druntime.
>> >Some people already managed to get stuff running on ARM but it's
>> >tricky.
>>
>> At least for gdc only hello-world like code works. Real code hits
>> this issue:
>>
>> https://bitbucket.org/goshawk/gdc/issue/215/alignment-of-struct-members-wrong-on-arm
>>
>> This also applies to all platforms which aren't supported by dmd.
>>
>> > I think the GC is problematic, thus you also have to avoid
>> >most of phobos.
>>
>> The GC seems to work if druntime is compiled with
>> -fno-section-anchors , but no real testing was done.
>> https://bitbucket.org/goshawk/gdc/issue/120/fsection-anchors-broken-on-arm
>> might also be caused by bug 215.
>>
>>

>+1
>
>If you're looking at an ARMv7 platform (my Tegra is ARMv7, dunno if
>they all are), I believe you can set the Linux kernel to handle faults
>caused by unaligned memory accesses, which *should* make D run with a
>performance hit until this bug gets fixed. Keep in mind that the
>library situation is largely untested, although Iain seems to have
>quietly done a lot of work in Druntime at some point to make it all
>build. Once I've got my Tegra up and running (need a serial cable -
>it's in the mail), I'll be able to say more.
>

I only had a cheap ARM5TE till now, but yesterday my PandaBoard arrived
(OMAP4 / Dual Core Cortex A9 / ARM7). But the SD Card I ordered is
broken, I'm waiting for a replacement now.

Anyway: Are you referring to this?
http://www.mjmwired.net/kernel/Documentation/arm/mem_alignment