Re: [crosstool-ng/crosstool-ng] bc9ed3: Adds Raspberry Pi 3 sample config

[Bryan Hundven <bryanhundven at gmail dot com>]

> On Mar 2, 2016, at 10:23 PM, Mike Ray <mike@raspberryvi.org> wrote:
> 
> Hello.
> 
> Good to know it's not just me being an idiot!  I was hoping to use a
> toolchain generated with ct-ng to build a 64-bit root file-system using
> buildroot or just using the toolchain with cross-LFS.

Indeed! Thatâs the spirit! :)

> 
> I will continue to tinker and at the same time wait to see if there are
> changes to this sample.

There may only be one change to the sample, one line added, but the real change will happen in two files (maybe 3). And really, they arenât big changes.

> 
> It's true that at the moment there are only 32-bit images available.  I
> expect ArchARM to come up with a 64-bit image soon enough though.

Indeed, but someone has to push the edge and give it a go?

I need to get myself a PI3. I have to wait till the 15th to order mine, but that doesnât mean I canât start getting ct-ng there. I know there are others out there waiting for aarch64 support, so letâs do this.

> 
> Mike

Cheers,

-Bryan

> 
> 
> On 03/03/2016 00:28, Stefan Hallas Mulvad wrote:
>> Hi Bryan,
>> 
>> I did test this, but at this time thereâs (to my knowledge) no os images available which supports 64 bit. Mine came with 32 bit raspbian,
>> 
>> The chip is capable of running in both 32/64 bit mode - but 64 bit must come down the road as software becomes available.
>> 
>> Best regards,
>> Stefan Mulvad
>> 
>> 
>>> On Mar 2, 2016, at 4:22 PM, Bryan Hundven <bryanhundven@gmail.com> wrote:
>>> 
>>> Hello Mike,
>>> 
>>> 
>>>> On Mar 2, 2016, at 3:51 PM, Mike Ray <mike@raspberryvi.org> wrote:
>>>> 
>>>> Hello.
>>>> 
>>>> I have used this sample to build a toolchain.
>>>> 
>>>> However I get 32-bit executables and the '-m64' switch is not recognized.
>>> 
>>> Sometimes, I expect that when people open pull-requests that they actually test what they submit and I donât have to do any work.
>>> 
>>> Today I failed at that. Yeay!
>>> 
>>> Arm64/aarch64 is kind of a new thing in crosstool-NG, and isnât well supported.
>>> 
>>> I took the pull-request for the sample without looking at the specs for the new raspberry pi 3. I had no clue it was 64-bit.
>>> 
>>> Looks like I will have to take some time and get this going.
>>> 
>>>> 
>>>> There is obviously a gap in my knowledge which I can't seem to find an
>>>> answer for on Google.
>>>> 
>>>> Can I compile a 64-bit executable?  If so, how?
>>>> 
>>>> Thanks for any help.
>>>> 
>>>> Mike
>>>> 
>>>> 
>>> 
>>> Thanks for reporting this issue!
>>> 
>>> https://github.com/crosstool-ng/crosstool-ng/issues/361
>>> 
>>> Cheers,
>>> 
>>> -Bryan
>> 
> 
> 
> --
> Michael A. Ray
> Analyst/Programmer
> Witley, Surrey, South-east UK
> 
> Eyes-free Linux:
> http://eyesfreelinux.ninja/
> 
> Raspberry VI:
> http://www.raspberryvi.org/
> 
> 
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