[Libre-soc-dev] daily kan-ban update 07dec2021
Luke Kenneth Casson Leighton
lkcl at lkcl.net
Tue Dec 7 16:36:17 GMT 2021
On Tue, Dec 7, 2021 at 2:42 PM Luke Kenneth Casson Leighton
<lkcl at lkcl.net> wrote:
> today i am investigating how to add in ICache at the lowest possible level
> into unit tests, for testing virtual memory (mmu) instruction-load including
> MMU "miss".
> unfortunately the I-Cache is linked heavily into the MMU, so i am starting
> with test_loadstore1.py
well, dang me, it actually worked. there's no "trigger" mechanism yet
for the MMU to be requested to do the PTE lookup so i did it manually
(triggered the MMU manually) and it actually worked.
now the next phase is to attempt to do that job properly, by adding support
for the "OP_FETCH_FAILED" pseudo-instruction.
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