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| mithro | shenki: Did you get any further in the openocd / gdb thing? | 03:29 |
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| shenki | mithro: nope | 03:44 |
| mithro | shenki: because you didn't do any more, or because you couldn't get it to work? | 03:44 |
| shenki | mithro: i did a fraction more. not much tho, will resume tonight | 03:44 |
| mithro | shenki: BTW It is really awesome to have you working on this stuff again! Even if it means I do silly things like staying up till 3am trying to get debugging working :) | 03:45 |
| mithro | shenki: Now I just need to attract the rest of your coworkers and other kernel hackers :-P | 03:48 |
| mithro | wonder if I can figure out a way to make bitcoin related to video stuff in some way to get Rusty ;) | 03:48 |
| CarlFK | fpga mining ? | 03:49 |
| CarlFK | that runs on those camera's that GChris uses | 03:49 |
| shenki | mithro: :) | 03:49 |
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| mithro | xfxf: I assume you didn't get any further? | 04:12 |
| xfxf | no, sorry | 04:13 |
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| mithro | _florent_: morning? | 06:09 |
| _florent_ | mithro: hi | 06:13 |
| _florent_ | I saw you got gdb working: nice! | 06:14 |
| _florent_ | have you made others progress? | 06:14 |
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| mithro | _florent_: We have merged the minispartan6+ board support | 06:19 |
| mithro | shenki has been working on getting a Linux UART driver working | 06:19 |
| mithro | _florent_: We are getting weird lock ups on the or1k with our firmware | 06:20 |
| _florent_ | ah, have you tried reducing fonctionnality to understand to see if it works correcty? | 06:21 |
| _florent_ | with lm32 it's working fine? | 06:21 |
| mithro | _florent_: as far as my very limited testing shows | 06:21 |
| mithro | _florent_: the bios doesn't seem to lock up | 06:21 |
| mithro | _florent_: the memory interface also seems to randomly fail on gateware builds (memtest failing) | 06:22 |
| mithro | sorry that was a bit confusing | 06:23 |
| mithro | Our firmware works fine on the lm32, it fails randomly on the or1k - the bios seems to function correctly on both | 06:23 |
| mithro | It could be because we not giving GCC the right flags on the or1k and it is generating invalid instructions, there is some other hardware issue, or something else | 06:25 |
| _florent_ | ok, that could be worth trying with verilator | 06:25 |
| _florent_ | that would be probably easier to debug | 06:26 |
| mithro | _florent_: possibly, I have no idea how to drive verilator well enough to figure out what is going on | 06:26 |
| mithro | _florent_: I do understand gdb, so I went the route of trying to get that to work | 06:27 |
| _florent_ | since you have the or1k toolchain, could you eventually try this | 06:27 |
| _florent_ | https://github.com/enjoy-digital/opsis-soc/blob/master/opsis_sim.py | 06:27 |
| tpb | Title: opsis-soc/opsis_sim.py at master · enjoy-digital/opsis-soc · GitHub (at github.com) | 06:27 |
| _florent_ | ./opsis_sim.py --cpu-type or1k | 06:27 |
| _florent_ | I'm also going to check that today (just have to reinstall or1k toolchain) | 06:28 |
| _florent_ | yes for gdb that will be very useful | 06:28 |
| mithro | I needed to patch misoc to use our toolchain as m-labs use clang | 06:28 |
| mithro | The fact the bios doesn't seem to lock up could just be because it is so simple | 06:30 |
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| mithro | _florent_: on an unrelated note, the memory seems to be having issues - about 50% of the time I'm getting memtest failures when generating gateware on the Atlys | 06:33 |
| _florent_ | what you are doing that, are you reloading the bistream or only rebooting the firmware? | 06:34 |
| _florent_ | because when rebooting I'm wondering if errors can be related to some DMA that are still active | 06:36 |
| mithro | yes, just rebooting has an issue with memtest - but this is a fresh boot after loading the gateware | 06:42 |
| mithro | and its stopping in the bios | 06:42 |
| mithro | I've also seen it on the base target | 06:43 |
| mithro | but it comes and goes | 06:43 |
| mithro | I have no reliable way to reproduce it | 06:43 |
| mithro | _florent_: for opsis-soc I don't need migen/misoc? | 06:57 |
| _florent_ | mithro: no | 06:59 |
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| mithro | _florent_: do I need liteeth? | 07:29 |
| mithro | https://www.irccloud.com/pastebin/RWNsG5LI/ | 07:30 |
| tpb | Title: Pastebin | IRCCloud (at www.irccloud.com) | 07:30 |
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| _florent_ | yes you need liteeth | 07:40 |
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| mithro | _florent_: see that error above.... | 11:36 |
| _florent_ | mithro: I think you are using liteeth legacu | 11:45 |
| _florent_ | legacy | 11:45 |
| _florent_ | you have to use upstream | 11:45 |
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| mithro | _florent_: hrm, I'm on master according to git? | 12:19 |
| mithro | heading to bed now, will try again tomorrow | 12:19 |
| _florent_ | ok, I'll retry that | 12:22 |
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