Goa armv8

Johannes Schlatow johannes.schlatow at genode-labs.com
Mon Jan 15 11:26:52 CET 2024


Hi Michael,

can you give a few more details about what you have tried that 
eventually triggered the error? On arm_v8a, calling the cache 
maintenance functions from the base API (cpu/cache.h) does not required 
a kernel call.

Cheers
Johannes

On 12/01/2024 22:32, Michael Grunditz wrote:
> Thanks .. was reading help and not help config.
> Side question: My app needs to flush cpu caches , can do without but
> it would be great if it worked.
> 
> I get this error:
> ep: not entitled to do kernel call
> 
> Can I allow this in some way?
> 
> Michael
> 
> On Fri, 12 Jan 2024 at 15:32, Johannes Schlatow
> <johannes.schlatow at genode-labs.com> wrote:
>>
>> Hi Michael,
>>
>> you have to set the `arch` variable. Have a look at `goa help config`.
>>
>> Johannes
>>
>> On 12/01/2024 13:43, Michael Grunditz wrote:
>>> Hi
>>>
>>> I have in the past compiled stuff with Goa targeting armv8. But now I
>>> can't find info about how to do that. The toolchain goa wants to use
>>> is x86. I guess there is variable I need to have , but I don't know
>>> what.
>>>
>>> Any hints?
>>> Michael
>>>
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