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| ewen | cr1901_modern: Re "make firmware-cmd" you asked about a while ago, I've not used scripts/download-prebuilt.sh so I'm unclear what "make firmware-cmd" would be for after that. | 04:20 |
|---|---|---|
| ewen | cr1901_modern: Where did you see this run / documented to run? (If its a getting started doc on the Wiki it might be one written by someone at the PyCon Sprint who was just learning; I tried to clean up obvious confusions with one of those docs, but don't remember seeing "make firmware-cmd") | 04:21 |
| ewen | cr1901_modern: And yes, if we can figure out what dependencies are causing the default firmware to be built (and rebuilt :-( ) when a different firmware (eg, MicroPython) is selected that'd be great. | 04:21 |
| ewen | cr1901_modern: (My guess is *maybe* one of the top targets wants to build a default gateware+bios+firmware thing without checking what firmware combination would be flashed. Due to the legacy of this buildenv being for timvideos default HDMI2USB firmware only.) | 04:24 |
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| cr1901_modern | ewen: Yes, it's from the getting started doc. Thanks for clarifying things :). Just wanted to make sure we were on the same page (which we are) | 08:42 |
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| cr1901_modern | mithro: https://twitter.com/cr1901/status/1043145532779253760 It's alive :D! | 14:36 |
| mithro | cr1901_modern: \o/ | 14:38 |
| mithro | cr1901_modern: Great work | 14:41 |
| cr1901_modern | Tyvm :) | 14:42 |
| cr1901_modern | mithro: There are a number of things that need to be cleaned up before I can commit this; at the very least, LiteX needs another PR, litex-buildenv needs one to pull in those changes, and micropython needs its Makefile gated depending on whether we boot from flash or main_ram. | 14:42 |
| mithro | cr1901_modern: Please push ASAP | 14:42 |
| cr1901_modern | tinyfpga: Ping, kinda medium priority | 15:00 |
| cr1901_modern | Can you try programming this bitstream and seeing what happens? http://gopher.wdj-consulting.com:70/store/image-gateware%2Bbios%2Bmicropython.bin | 15:01 |
| cr1901_modern | I get "Failure!" | 15:01 |
| cr1901_modern | mithro: Do you have a tinyfpga to test? | 15:04 |
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| cr1901_modern | mithro: Tinyfpga (the user) is gonna be a few hours. The bitstream/firmware image I demo'd doesn't include code to load the data section into memory. | 15:11 |
| cr1901_modern | Of course I need this to do anything useful, and I added this feature. But tinyprog doesn't like the bitstream _with_ this functionality for some reason (linked from website) | 15:12 |
| rohitksingh | cr1901: awesome work! saw your tweet! \o/ | 15:32 |
| cr1901_modern | rohitksingh: Tyvm :). That version is missing the .data section :D. Just need to get the .data section to behave and then we'll be golden | 15:33 |
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| rohitksingh | nice! | 15:37 |
| mithro | xobs: https://github.com/nathanrossi/meta-hdl/issues/4#issuecomment-423573970 | 16:13 |
| tpb | Title: Correct place for lm32 cross compiler? · Issue #4 · nathanrossi/meta-hdl · GitHub (at github.com) | 16:13 |
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| cr1901_modern | What's this about lm32 patches? | 16:16 |
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| mithro | cr1901_modern: lm32 support in openembedded / yocto | 16:20 |
| mithro | cr1901_modern: In theory openembedded can build windows / mac toolchains too... | 16:21 |
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| cr1901_modern | In practice, lm32-gcc has been pretty well-behaved compiling on Windows, except for some issues w/ texinfo (that I still need to report back to msys2 team and/or steal their own patches for it) | 16:27 |
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| cr1901_modern | I suspect the docs die on CRLF handling, but I didn't cross-check on a Linux machine | 16:28 |
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| cr1901_modern | http://ix.io/1ncX Mini benchmark | 17:31 |
| cr1901_modern | TLDR: Cache is important :P | 17:31 |
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| mithro | cr1901_modern: https://github.com/timvideos/litex-buildenv/pull/65 | 17:33 |
| tpb | Title: scripts: Adding tinyfpga programmers. by mithro · Pull Request #65 · timvideos/litex-buildenv · GitHub (at github.com) | 17:33 |
| mithro | cr1901_modern: I just found that on my laptop :-P | 17:34 |
| cr1901_modern | Excellent :P | 17:36 |
| mithro | hrm, that should be using underscores | 17:38 |
| cr1901_modern | Which modules are available in fupy normally? | 17:39 |
| mithro | cr1901_modern: NFI | 17:41 |
| tac-tics | How do people learn Verilog? Is there some standard book people use? Or is learning it just a matter of random behavior combined with survivor bias in universities :) | 17:47 |
| mithro | cr1901_modern: Does that look okay? | 17:55 |
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| cr1901_modern | mithro: LGTM | 18:43 |
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| cr1901_modern | tinyprog problem appears to be fixed | 19:31 |
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| CarlFK | woot woot | 19:37 |
| tac-tics | CarlFK, When I unplug the the FPGA, the thing resets | 20:10 |
| tac-tics | How do I have it retain its configuration? | 20:10 |
| tac-tics | I know FPGAs require power or they lose their configuration, but I imagine there's a way to program the bootloader memory | 20:11 |
| CarlFK | instead of -load use the -flash option I think. which likely means nothing to you. | 20:11 |
| CarlFK | I gotta shower and run to PS1 | 20:11 |
| CarlFK | work on the howto | 20:11 |
| CarlFK | then -flash may have context | 20:12 |
| cr1901_modern | mithro: https://github.com/enjoy-digital/litex/pull/106 | 20:25 |
| tpb | Title: libbase/crt0-lm32.S: Add provisions for loading .data from flash. by cr1901 · Pull Request #106 · enjoy-digital/litex · GitHub (at github.com) | 20:25 |
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