[Buildroot] [PATCH v1 2/2] configs/zynqmp_zcu106_defconfig: transition to tarballs

[Neal Frager]

Hi Luca,

> Hi Neal,

On 13/05/22 06:21, Neal Frager wrote:
> Hi Peter, Luca,
>
>
>
>> Le 12 mai 2022 à 21:33, Peter Korsgaard <peter at korsgaard.com> a écrit :
>>
>> CAUTION: This message has originated from an External Source. Please use proper judgment and caution when opening attachments, clicking links, or responding to this email.
>>
>>
>>>>>>> "Neal" == Neal Frager <nealf at xilinx.com> writes:
>>
>> Hi,
>>
>>>>> I had to also pass the -m* flags in EXTRA_COMPILER_FLAGS to get it 
>>>>> to link, presumably the petalinux toolchain has incompatible 
>>>>> defaults. Luca, any specific reasons to not pass CFLAGS there?
>>>>
>>>> I'm afraid I have no real answer. :( When I initially wrote the 
>>>> script I did it to have the same logic as petalinux. Later I didn't 
>>>> watch for its changes. I would love to be helpful but I have no 
>>>> access to a zynqmp board now.
>>
>>> Would it be possible for you to just implement the changes that 
>>> Peter has proposed?  Peter appears to have already identified a solution.
>>
>>> Both Peter and I have zcu106 boards, so we can both test and verify 
>>> the update works.
>>
>> Sorry, that is not true. I haven't found the magic incarnation to get 
>> a working pmufw build with the toolchain built by crosstool-ng. My 
>> diff was just to show what I had to change to adjust 
>> zynqmp-pmufw-builder to use a petalinux toolchain.
>>
>
> Is there a reason why we cannot change the zynqmp-pmufw-builder to download the same toolchain that petalinux uses as the crosstool-ng toolchain?

> Can you point to where the petalinux toolchain comes from?

> If petalinux uses a publicly available prebuilt toolchain, possibly with sources available, then this could be considered.

> However I suspect it does use a toolchain that is shipped by Vitis. If it is the case, then it's not an option here.

> The est option would be to fix the ct-ng toolchain of course, but I'm afraid I cannot be very helpful on this, especially without an hardware to test. :(

Vitis and PetaLinux 2022.1 use GCC compiler 11.2.0 with the following patch set:
https://github.com/Xilinx/meta-xilinx/tree/xlnx-rel-v2022.1/meta-microblaze/recipes-devtools/gcc/gcc-11

Feel free to pick your mirror site for the GCC 11.2.0 download.

Please let me know if you have any questions.

Best regards,
Neal Frager
AMD