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.

> Does the second describe the GPU in some detail and describe
> the instruction set such that I might produce my own binary blob
> to do something completely different?

It’s a toolchain port.

--
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