From: Bryan Hundven <bryanhundven@gmail.com>
To: mike@raspberryvi.org
Cc: crossgcc@sourceware.org
Subject: Re: [crosstool-ng/crosstool-ng] 1f5906: samples: add aarch64-rpi3-linux-gnueabi
Date: Fri, 04 Mar 2016 00:25:00 -0000 [thread overview]
Message-ID: <82340CD0-AB02-4167-8FB9-2CF5AD26CE35@gmail.com> (raw)
In-Reply-To: <56D89FA5.6080208@raspberryvi.org>
[-- Attachment #1: Type: text/plain, Size: 2919 bytes --]
> On Mar 3, 2016, at 12:33 PM, Mike Ray <mike@raspberryvi.org> wrote:
>
> On 03/03/2016 17:13, Bryan Hundven wrote:
>> Branch: refs/heads/master
>> Home: https://github.com/crosstool-ng/crosstool-ng
>> Commit: 1f590667acc1dc1f729c3f4c14612399100f041d
>> https://github.com/crosstool-ng/crosstool-ng/commit/1f590667acc1dc1f729c3f4c14612399100f041d
>> Author: Bryan Hundven <bryanhundven@gmail.com>
>> Date: 2016-03-03 (Thu, 03 Mar 2016)
>>
>> Changed paths:
>> A samples/aarch64-rpi3-linux-gnueabi/crosstool.config
>> A samples/aarch64-rpi3-linux-gnueabi/reported.by
>>
>> Log Message:
>> -----------
>> samples: add aarch64-rpi3-linux-gnueabi
>>
>> This is a aarch64 raspberry pi 3 sample.
>>
>> Please test!
>>
>> Signed-off-by: Bryan Hundven <bryanhundven@gmail.com>
>>
>>
>> Commit: bd460e8872ddc7dbbdcb09c2c0a18d22936bf698
>> https://github.com/crosstool-ng/crosstool-ng/commit/bd460e8872ddc7dbbdcb09c2c0a18d22936bf698
>> Author: Bryan Hundven <bryanhundven@gmail.com>
>> Date: 2016-03-03 (Thu, 03 Mar 2016)
>>
>> Changed paths:
>> A samples/aarch64-rpi3-linux-gnueabi/crosstool.config
>> A samples/aarch64-rpi3-linux-gnueabi/reported.by
>>
>> Log Message:
>> -----------
>> Merge pull request #362 from bhundven/rpi_aarch64_sample
>>
>> samples: add aarch64-rpi3-linux-gnueabi
>>
>>
>> Compare: https://github.com/crosstool-ng/crosstool-ng/compare/0f76cad2f078...bd460e8872dd
>>
>>
>>
>> --
>> For unsubscribe information see http://sourceware.org/lists.html#faq
>>
>
> Hello.
>
> Toolchain built and helloworld app compiled.
>
> Not sure if you intended for the name of the sample to be prefixed
> 'aarch' instead of 'arch':
>
> aarch64-rpi3-linux-gnueabi/
Yes, aarch64. It’s “arm arch 64” ;)
They also call arm 32-bit aarch32, but config.sub still search for arm* instead of aarch32.
>
> Output of `file helloworld`:
>
> helloworld: ELF 64-bit LSB executable, ARM aarch64, version 1 (SYSV),
> dynamically linked, interpreter /lib/ld-linux-aarch64.so.1, for
> GNU/Linux 4.0.4, not stripped
Looks good!
>
> Built on 64-bit Debian Jessie.
>
> Of course helloworld won't run on my Pi3 with 32-bit Raspbian.
Right.
>
> Did you intend this sample to not be hard-float? (I don't know whether
> the Cortex A53 is HF or not).
Dang, I new I felt like I was jumping the gun when I merged. I’ll fix that.
>
> There is some debate on the Foundation site whether running 64-bit with
> only 1GB of RAM is much of a gain but it will be interesting finding out.
It’s true. There really isn’t much bonus to running in 64-bit mode without more memory.
>
> Foundation forum mods and developers haven't mentioned whether
> boot-loader needs to be 64-bit as well.
Are they releasing 64-bit firmware files?
>
> Mike
Cheers,
-Bryan
[-- Attachment #2: Message signed with OpenPGP using GPGMail --]
[-- Type: application/pgp-signature, Size: 496 bytes --]
next prev parent reply other threads:[~2016-03-04 0:25 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-03-03 17:13 Bryan Hundven
2016-03-03 20:33 ` Mike Ray
2016-03-04 0:25 ` Bryan Hundven [this message]
2016-03-04 0:31 ` Bryan Hundven
2016-03-04 0:37 ` Mike Ray
2016-03-04 10:26 ` Richard Earnshaw (lists)
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=82340CD0-AB02-4167-8FB9-2CF5AD26CE35@gmail.com \
--to=bryanhundven@gmail.com \
--cc=crossgcc@sourceware.org \
--cc=mike@raspberryvi.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).