On Fri, Oct 23, 2020 at 05:41:03PM +0200, Ahelenia Ziemiańska wrote: > On Fri, Oct 23, 2020 at 04:33:07PM +0200, Simon Horman wrote: > > On Fri, Oct 09, 2020 at 05:39:42PM +0200, Ahelenia Ziemiańska wrote: > > > Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@xxxxxxxxxxxxxxxxxx> > > > --- > > > configure.ac | 8 ++++++++ > > > purgatory/arch/x86_64/Makefile | 2 ++ > > > 2 files changed, 10 insertions(+) > > > > > > diff --git a/configure.ac b/configure.ac > > > index f025823..4e8f7c5 100644 > > > --- a/configure.ac > > > +++ b/configure.ac > > > @@ -54,6 +54,14 @@ case $target_cpu in > > > ;; > > > ia64|x86_64|alpha|m68k ) > > > ARCH="$target_cpu" > > > + case $target in > > > + *x32 ) > > > + SUBARCH="x32" > > > + ;; > > > + * ) > > > + SUBARCH="" > > > + ;; > > > + esac > > > > Is x32 value only for x86_64 or ia64, x886_64, alpha and m68k as > > seems to be implied by this change? > > There is, indeed, no x32 equivalent for non-amd64, > but I just put this here like this because there aren't > any other triples that end in "x32". Would you rather this go > in a separate "if ARCH=x86_64 && target=*x32" clause below? Yes, I think that would be slightly nicer. > > Also, could you let me know how to exercise compiling this changeset? > > The easiest way would be to install GCC for "x86_64-linux-gnux32"; > on Buster, installing gcc-x86-64-linux-gnux32 followed by > ./configure --host=x86_64-linux-gnux32 > worked and built. Thanks, this looks like it should work well for me. I'll try it out. > Alternatively, you could use an x32 chroot via something > along the lines of > debootstrap --arch=x32 --variant=minbase > --include=debian-ports-archive-keyring --no-check-gpg sid target > https://deb.debian.org/debian-ports > and proceeding as normal within. > > To test the kexecution and/or get the x32 userland to run, you'll need > your kernel to have CONFIG_X86_X32=y, or, on Debian amd64 kernels, > to pass syscall.x32=y on the cmdline. > > Best, > Ahelenia _______________________________________________ kexec mailing list kexec@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/kexec
