On 26/02/2016 14:05, Andrew Jones wrote: > On Fri, Feb 26, 2016 at 03:24:49PM +1100, David Gibson wrote: >> On Thu, Feb 25, 2016 at 04:10:44PM +0100, Laurent Vivier wrote: >>> Hi, >>> >>> based on Drew's work, I've written two small patches to add support of >>> ppc64le host and target. >>> >>> As Drew's series is not merged I don't send yet theses patches, but you >>> can find them here: >>> >>> https://github.com/vivier/kvm-unit-tests/commits/ppc64/endianness-v1 >>> >>> 1- powerpc: allow to build big-endian binaries on little-endian host >>> 2- powerpc: select endianness >>> >>> Patch 2 allows to build and test ppc64le target. >>> >>> I don't know what to do about these two patches: should I wait Drew's >>> series is merged or should I send them now for review? >> >> I think post now. Possibly we can even fold them into Drew's initial >> drop. > > That sounds good to me to. I can pick them up when I post v7. > >> >> Btw, we should know our endianness on entry, so I'm not sure we need >> the automagic FIXUP_ENDIAN stuff. Though maybe it's still the easiest >> way. > > I looked at this a bit too and was under the impression that we're > always going to start in BE, so either the bootloader or the kernel > has to do the wrong endian magic to switch. Since the kernel will have > to know how to do it anyway, in order to deal with a return from an > rtas call, then I was thinking it'd be easiest to leave the bootloader > a simple BE-only branch, and then do the wrong endian stuff in > cstart64.S. It's quite possible I'm missing something though. I'm rewriting a simplified version FIXUP_ENDIAN, mostly because Thomas told me I can't copy code from linux (GPL) to kvm-unit-tests (LGPL). Laurent -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
