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