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From: Phil Blundell <philb@gnu.org>
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Date: Tue, 10 May 2011 12:08:16 +0100
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Subject: Re: x86_64
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On Tue, 2011-05-10 at 13:02 +0200, Jaap de Jong wrote:
> 
> On 05/10/2011 12:06 PM, Phil Blundell wrote:
> > On Tue, 2011-05-10 at 12:00 +0200, Bernhard Reutner-Fischer wrote:
> >> On Tue, May 10, 2011 at 10:13:22AM +0200, Jaap de Jong wrote:
> >>> Hi All,
> >>>
> >>> is there any support for 64 bit intel/amd machines?
> >>> And if so, how to build for them?
> >> Can we settle on a name please for i want to add a qemu machine for
> >> testing x86_64?
> >>
> >> x8664
> >> amd64
> >> ...
> >>
> >> Opinions?
> > "x86_64" seems to be what's currently used as the architecture name.  If
> > you want a value for ${MACHINE} then I guess something like
> > "x86_64-generic" would do.  I don't think there's any prohibition
> > against underscores in machine names.
> >
> > p.
> 
> So I'm guessing it is not possible at this very moment?

Depends what you mean by "not possible".  There doesn't seem to be any
existing machine config file which targets x86_64, but I don't think
there is any reason that you couldn't trivially create one; something
along the lines of:

$ cat >conf/machine/x84_64-generic.conf <<EOF
TARGET_ARCH = "x86_64"
GLIBC_ADDONS = "nptl"
GLIBC_EXTRA_OECONF = "--with-tls"
PREFERRED_PROVIDER_virtual/kernel = "linux"
KERNEL_IMAGETYPE = "bzImage"
EOF
$

p.