Thursday, 2021-12-16

openpowerbot_[slack] <mithro> People might find this interesting -> https://twitter.com/crowd_supply/status/1471274222395686914 - "Our livestream with @bunniestudios and @xobs is going live in 4.5 hours, at 9pm Pacific/1pm Singapore/6am Central Europe. We'll be talking about the Precursor, toolchains, manufacturing and security. Join us live to win hardware & ask questions" - https://www.youtube.com/watch?v=3CKioI2GiJM02:23
openpowerbot_[slack] <mithro> People might find this interesting -> https://twitter.com/crowd_supply/status/1471274222395686914 - "Our livestream with @bunniestudios and @xobs is going live in 4.5 hours, at 9pm Pacific/1pm Singapore/6am Central Europe. We'll be talking about the Precursor, toolchains, manufacturing and security. Join us live to win hardware & ask questions" - https://www.youtube.com/watch?v=3CKioI2GiJM02:23
openpowerbot_[mattermost] <lkcl> ah, Paul: i think i've found a bug in dcache.vhdl (possibly icache.vhdl as well)15:15
openpowerbot_[mattermost] <lkcl> it's because i set wb_stall == cyc & ~ack because we're not presently using stall (so "fake" it, making the bus look like wb classic)15:16
openpowerbot_[mattermost] <lkcl> when cyc is enabled, stall is set but ack has not come in15:17
openpowerbot_[mattermost] <lkcl> r1.store_row is *still being incremented*15:17
openpowerbot_[mattermost] <lkcl> now, this could potentially have been fixed in dcache.vhdl already, and i'm just using an older version which we translated to dcache.py15:18
openpowerbot_[mattermost] <lkcl> https://ftp.libre-soc.org/2021-12-16_15-19.png15:20
openpowerbot_[mattermost] <lkcl> notice dcache_ack has not been set but r1_store_idx is still incrementing15:21
openpowerbot_[mattermost] <lkcl> hmm belay that, something extremely strange going on, nothing to do with microwatt vhdl16:57

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