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sajattack[m] | triple-quotes are multiline strings I think | 02:44 |
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sajattack[m] | r" is raw | 02:44 |
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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/1460524569710661633 | 09:48 |
acathla | Nice! | 10:22 |
somlo | _florent_: never really tried debian, but maybe I should -- was there a link with instructions, or just the tweet? | 11:51 |
somlo | if 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 |
geertu | somlo: I'm using a debootstrapped nfsroot for Starlight and PolarFire, so Debian definitely works on RV64 | 13:00 |
geertu | somlo: yosys and arachne-pnr are available (nextpnt and trellis aren't) | 13:04 |
geertu | Unfortunately I'm stuck with buildroot on OrangeCrab, as VexRiscV is RV32 | 13:05 |
somlo | I think Fedora is really close to working, I just never got over the mental barrier of diving into debugging systemd :P | 13:12 |
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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.png | 14:28 |
somlo | also, 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 :) Thanks | 14:54 |
_florent_ | somlo: possible because I'm pretty sure the debian boot is Linux-on-LiteX-Rocket just ported to this Ali-Express Kintex7 board | 14:58 |
somlo | and, 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#L466 | 15:34 |
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acathla | Again, it's not critical for uploads to ram but it's non-aligned so not flash-friendly | 15:37 |
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