On 05/01/2021 13:39, Richard Kettlewell wrote:
> gareth evans  writes:
>> On 05/01/2021 11:13, Richard Kettlewell wrote:
>>> Ahem A Rivet's Shot  writes:
>>>>  The documentation for the GPU on the RPi has not been published,
>>>> he seeks to reverse engineer it from the binary code that implements a
>>>> published API on it.
>>>
>>> I was under the impression it was a VideoCore IV, which appears to be
>>> sufficiently documented for GNU toolchain port.
>>>
>>> https://docs.broadcom.com/doc/12358545
>>> https://github.com/itszor/vc4-toolchain
>>
>> The first of those does not produce anything.
>
> It’s the VideoCore IV 3D Architecture Reference Guide.

Perhaps not available to the Man On The Clapham Omnibus.

Are you in a privileged position with Broadcom to have
such access?

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