Tuesday, 2021-11-16

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sajattack[m]triple-quotes are multiline strings I think02:44
sajattack[m]r" is raw02:44
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_florent_somlo: I'm not sure to remember if you got Debian booting with Rocket/LiteX but someone did it with your recently added quad core variant: https://twitter.com/AndrewC52207568/status/146052456971066163309:48
acathlaNice!10:22
somlo_florent_: never really tried debian, but maybe I should -- was there a link with instructions, or just the tweet?11:51
somloif we get it working on the ecpix5, and get yosys/trellis/nextpnr packaged for Debian, it's "Mission Accomplished" on the self hosting stack goal :)11:52
geertusomlo: I'm using a debootstrapped nfsroot for Starlight and PolarFire, so Debian definitely works on RV6413:00
geertusomlo: yosys and arachne-pnr are available (nextpnt and trellis aren't)13:04
geertuUnfortunately I'm stuck with buildroot on OrangeCrab, as VexRiscV is RV3213:05
somloI think Fedora is really close to working, I just never got over the mental barrier of diving into debugging systemd :P13:12
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DerekKozel[m]Super minor point _florent_: The LitePCIe architecture image shows DMAN having AXI-ST RX0 rather than RXN. Same for the TX.14:28
DerekKozel[m]https://github.com/enjoy-digital/litepcie/raw/master/doc/architecture.png14:28
somloalso, I never tried Fedora (and systemd) on the genesys2 board (kintex, quad-full-rv64gc) -- maybe it's just the awful slowness of running with an emulated fpu on ecpix5 that causes it to time out. I should try that again (particularly now that opensbi works on full, gateware-fpu enabled rocket variants)14:50
_florent_DerekKozel[m]: it seems to be gone :) Thanks14:54
_florent_somlo: possible because I'm pretty sure the debian boot is Linux-on-LiteX-Rocket just ported to this Ali-Express Kintex7 board14:58
somloand, to be pedantic, opensbi works just fine on fpu-less rocket variants, it's just not emulating the fpu on behalf of the payload, and the paloads I happen to care about all expect to have an FPU :)15:03
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acathla_florent_, the last fix is nice but now, instead of sending 64 bytes litex_term sends 60 only... https://github.com/enjoy-digital/litex/blob/master/litex/tools/litex_term.py#L46615:34
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acathlaAgain, it's not critical for uploads to ram but it's non-aligned so not flash-friendly15:37
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