[libre-riscv-dev] [Bug 216] LOAD STORE buffer needed

[bugzilla-daemon at libre-soc.org]

https://bugs.libre-soc.org/show_bug.cgi?id=216

--- Comment #41 from Luke Kenneth Casson Leighton <lkcl at lkcl.net> ---
On Sun, May 24, 2020 at 8:23 PM Tobias Platen <libre-soc at platen-software.de>
wrote:
>
> this evening:
>
> I began working on the elaboratable function of the DataMerger class, which I still haven't commited yet.
> If all bits in addr_array_i are zero the output will be zero too as nothing needs to be merged.

that would be correct.  it would indicate that the LD/ST unit is idle.


> I' now asking myself weather the interface is correct, and how the DataMerger is used.

it is used as in the diagram in the video.  it is also the piece marked
"Priority Picker" in this diagram:

https://libre-soc.org/3d_gpu/180nm_single_core_testasic_memlayout.jpg

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