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| _florent_ | cr1901_modern, mithro: got lm32 partially working on tinyfpga, start prompting things but crash right after... | 12:01 |
|---|---|---|
| _florent_ | https://github.com/enjoy-digital/tinyfpga-soc/blob/master/tinyfpga.py | 12:01 |
| tpb | Title: tinyfpga-soc/tinyfpga.py at master · enjoy-digital/tinyfpga-soc · GitHub (at github.com) | 12:01 |
| mithro | _florent_: \o/ | 12:26 |
| _florent_ | mithro: btw that's with a modified lm32 configuration i got from cr1901_modern, otherwise it was too big | 12:27 |
| _florent_ | cr1901_modern, mithro: issue fixed :) (it was just an incompatibility between hardware/software lm32 configuration) | 13:04 |
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| cr1901_modern1 | _florent_: Incompatibility? | 17:21 |
| _florent_ | cr1901_modern1: compilation flags | 17:22 |
| cr1901_modern1 | That shouldn't be the case, I didn't disable any of the features | 17:22 |
| *** cr1901_modern1 is now known as cr1901_modern | 17:22 | |
| cr1901_modern | Does changing from pipelined shifter/mult to multicycle shifter/mult break code? | 17:23 |
| cr1901_modern | _florent_: ^ | 17:29 |
| _florent_ | cr1901_modern: yes it seems | 17:48 |
| _florent_ | for now i just removed the i/d caches | 17:48 |
| _florent_ | and it's enough to fit in the ice40 | 17:48 |
| cr1901_modern | That... doesn't make sense ._. | 18:17 |
| cr1901_modern | In any case, icache fits fine on the ice40. You will _really_ want that, otherwise the pipeline is useless | 18:18 |
| cr1901_modern | _florent_: ^ | 18:21 |
| cr1901_modern | Right now, I have icecube installed an am trying to fix the bootloader to fix the SPI flash | 18:21 |
| _florent_ | cr1901_modern: i was just doing a test, feel free to find the best working configuration :) | 18:35 |
| _florent_ | cr1901_modern: my only concern was to not exceed blockram usage on ice40 (with embedded rom for the lm32 code) | 18:36 |
| cr1901_modern | _florent_: Ahhh fair enough :D | 18:37 |
| mithro | cr1901_modern: You about? | 22:51 |
| cr1901_modern | mithro: Now is _really_ not a good time, sorry | 22:53 |
| mithro | cr1901_modern: Okay no worries - just want to know what the best config for lm32 for ice40 | 22:54 |
| cr1901_modern | mithro: multicycle multiplier, multicycle shifter, disable dcache, 128 sets of icache @16 bytes per line | 22:56 |
| mithro | cr1901_modern: Thanks! have a good day / night / etc | 23:01 |
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