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Date:      Mon, 16 Feb 2015 12:33:48 -0500
From:      Ed Maste <emaste@freebsd.org>
To:        Warner Losh <imp@bsdimp.com>
Cc:        "freebsd-arm@freebsd.org" <freebsd-arm@freebsd.org>
Subject:   Re: FreeBSD/arm64 MACHINE/MACHINE_ARCH identification
Message-ID:  <CAPyFy2AzsaNmpFBm6AtYgE=gfSuPZKWJdF2HVV-bLqtrbUXr3g@mail.gmail.com>
In-Reply-To: <228428CC-4042-4902-90A4-E7040F4BFFF5@bsdimp.com>
References:  <CAPyFy2A=Ev5gdYPKgEE0LS3-1sY%2BXmkZA7VCe71E6Fmbb=vMRw@mail.gmail.com> <607BF592-A09B-4DB4-9872-C9E63066AB57@bsdimp.com> <CAPyFy2Bgrap3TkFNuChyMC0Vwbjdt5FVW0ey03XtkK1iwNL1KQ@mail.gmail.com> <71E9C1B9-F819-420B-90A5-A36D58E71817@bsdimp.com> <CAPyFy2ATn5xgsvePCdvzqnyBS45izVHdL8yLaQQoKeJenSv9tg@mail.gmail.com> <228428CC-4042-4902-90A4-E7040F4BFFF5@bsdimp.com>

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On 12 February 2015 at 11:29, Warner Losh <imp@bsdimp.com> wrote:
>
> Traditionally in Linux, they have been a matched set.

It looks like it's not so straightforward in the GNU/Linux world
either. Excerpts from Debian's cputable file:

# <Debian name> <GNU name>      <config.guess regex>    <Bits>  <Endianness>
amd64           x86_64          x86_64                  64      little
arm64           aarch64         aarch64                 64      little

Debian and .deb derivatives use arm64 for the 64-bit ARM port name,
and I'm told Fedora and .rpm derivatives use aarch64. But in all cases
the CPU architecture reported by uname is aarch64.

Debian uses "amd64" for the 64-bit x86 port name, like us, but uname
reports x86_64.



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