Tuesday, 2017-09-26

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mithrocr1901_modern: Did you get anywhere with fixing the litex timer?01:10
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cr1901_modernmithro: No, not yet01:35
mithroI'm looking at that now01:36
cr1901_modernFixed the miscompile bug01:36
cr1901_modern_florent_: https://github.com/enjoy-digital/litex/pull/2901:36
tpbTitle: Re-enable SPI flash bitbanging by cr1901 · Pull Request #29 · enjoy-digital/litex · GitHub (at github.com)01:36
mithrocr1901_modern: Have you used flterm with qemu?01:39
cr1901_modernmithro: No, only minicom01:40
cr1901_modernI had to invoke minicom to force it to attach to a pty, and then I redirected qemu's output through the newly opened pty01:41
cr1901_modernmithro: I would try socat to force pty creating from flterm01:42
mithrocr1901_modern: flterm connects fine but does not seem to send any data....01:43
mithrowhen doing a "serialboot"01:43
mithroThink I've fixed the timer...01:44
cr1901_modernThat would be wonderful01:44
mithrocr1901_modern: https://github.com/mithro/qemu-litex/commit/47ba4b987e96a0380b2ad2c2f3b62b631a2f694301:46
tpbTitle: timer fixes. · mithro/qemu-litex@47ba4b9 · GitHub (at github.com)01:46
mithrohttps://github.com/mithro/qemu-litex/tree/timer-fix01:47
tpbTitle: GitHub - mithro/qemu-litex at timer-fix (at github.com)01:47
cr1901_modernmithro: Ty... I'll check when I wake up (exhausted and out due to personal engagement most of the day). Also gives time for _florent_ to accept my pull, and time for me to see if I can get flterm to work w/ qemu01:49
cr1901_modernmithro: Re: flterm, what I can tell you is that PTYs are mystical bullshit that work when they want to :P01:50
mithroI can type stuff01:50
mithroSo, the normal read/write is working - it is only the SFL bit that is failing01:52
cr1901_modernHmmm... interesting01:55
cr1901_modernFWIW, I've never done a serial boot at all01:55
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cr1901_modernmithro: https://github.com/enjoy-digital/litex/pull/29#issuecomment-332158629 Please see _florent_'s comment and get back to me11:18
tpbTitle: Re-enable SPI flash bitbanging by cr1901 · Pull Request #29 · enjoy-digital/litex · GitHub (at github.com)11:18
cr1901_modern_florent_: I think this is a good idea, I wish it was brought up sooner (or that alternatively I thought of it sooner)11:22
cr1901_modernAlso, SPI bitbanging isn't the limiting factor here (for XMODEM upload), the serial port is11:22
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cr1901_modernHmmm, this might be a more invasive change than I thought... the code I have for the pull request _does_ work11:31
cr1901_modernBut I'll worry about it later today...11:31
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