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| daurnimator | anyone had an issue where llvm-objcopy keeps making 256MB files? | 15:02 |
|---|---|---|
| xobs | Sounds like your linker file is missing an `@`. | 15:03 |
| daurnimator | not an @ in sight; what does an @ do? | 15:04 |
| xobs | Er, `AT`: https://github.com/im-tomu/fomu-workshop/blob/master/riscv-blink/ld/linker.ld#L29 | 15:04 |
| tpb | Title: fomu-workshop/linker.ld at master · im-tomu/fomu-workshop · GitHub (at github.com) | 15:04 |
| xobs | It says that in the .bin file, they will go at this particular address, but in code they'll go at the address defined. | 15:04 |
| daurnimator | FYI things work fine with gcc binutils | 15:05 |
| xobs | Then the loader will load the values from the text section into the data section before jumping to main. | 15:05 |
| daurnimator | this seems to have happneded after a recent LLVM update | 15:05 |
| xobs | Oh, llvm. | 15:05 |
| xobs | Hmm... Maybe it doesn't understand `AT`. | 15:05 |
| xobs | But that's the sort of behavior you'd see. | 15:05 |
| daurnimator | it did in the previous version | 15:05 |
| xobs | It decides to place the data section at the load address rather than the store address. | 15:05 |
| daurnimator | does fomu support RVC Hint Instructions | 15:19 |
| xobs | Do you mean does it support RV32-C compressed instructions? No, those aren't enabled sadly. | 15:20 |
| xobs | That's one thing I'd like to try and squeeze in. | 15:20 |
| daurnimator | no; https://reviews.llvm.org/D62592 | 15:21 |
| tpb | Title: ⚙ D62592 [RISCV] Add support for RVC HINT instructions (at reviews.llvm.org) | 15:21 |
| daurnimator | I'm trying to figure out if its a real instruction or just some internal thing | 15:22 |
| daurnimator | but I saw it cropped up as a now "default" cpu feature | 15:22 |
| xobs | I'm guessing so, since they appear to just be various kinds of nops. | 15:23 |
| mithro | xobs: I think https://twitter.com/pdp7/status/1253339694814818304?s=20 could be useful for something like the Fomu | 15:29 |
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| futarisIRCcloud | CarlFK: Alibaba is probably your best bet. This one is 3.5" - https://m.alibaba.com/product/953273211/detail.html and is used in the G-Boy Rev III. | 21:58 |
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| CarlFK | futarisIRCcloud: thanks - /me passes this on like the good message transport service I am | 21:59 |
| CarlFK | along with "how to use matrix" | 21:59 |
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