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Date:      Wed, 11 Feb 2015 11:35:49 -0800
From:      Sean Bruno <sbruno@ignoranthack.me>
To:        freebsd-arm@freebsd.org
Subject:   Re: FreeBSD/arm64 MACHINE/MACHINE_ARCH identification
Message-ID:  <54DBAF15.60007@ignoranthack.me>
In-Reply-To: <54DB9D93.6070702@freebsd.org>
References:  <CAPyFy2A=Ev5gdYPKgEE0LS3-1sY%2BXmkZA7VCe71E6Fmbb=vMRw@mail.gmail.com> <54DB9D93.6070702@freebsd.org>

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On 02/11/15 10:21, Nathan Whitehorn wrote:
> 
> On 02/11/15 09:41, Ed Maste wrote:
>> The FreeBSD/arm64 work in progress currently reports "arm64" for
>> the machine and processor type - i.e., uname -m and uname -p.
> 
> It would probably also be good if we had MACHINE = arm here. 
> -Nathan
> 

TARGET=arm TARGET_ARCH=aarch64 is much more friendly to my qemu
universe as well.  Is there going to be more than one TARGET_ARCH in
aarch64?  Is there code shared between TARGET_ARCH=armv6 and
TARGET_ARCH=aarch64?

sean

>> It seems that the official, awkward name aarch64 is broadly used 
>> elsewhere - for example, in toolchain triples and autoconf tests.
>> To save us grief in the future I think it is worth following
>> suit:
>> 
>> diff --git a/sys/arm64/include/param.h
>> b/sys/arm64/include/param.h index 5cd0445..525a0e7 100644 ---
>> a/sys/arm64/include/param.h +++ b/sys/arm64/include/param.h @@
>> -43,10 +43,10 @@ #define STACKALIGN(p)  ((uint64_t)(p) &
>> ~STACKALIGNBYTES)
>> 
>> #ifndef MACHINE -#define        MACHINE         "arm64" +#define
>> MACHINE         "aarch64" #endif #ifndef MACHINE_ARCH -#define
>> MACHINE_ARCH    "arm64" +#define        MACHINE_ARCH
>> "aarch64" #endif
>> 
> 

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