Friday, 2022-08-12

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ghostmansdlkcl, we don't support VLE and SPE2, do we?04:34
ghostmansdNah, we don't.04:36
ghostmansd  { "libresoc",(PPC_OPCODE_PPC | PPC_OPCODE_ISEL | PPC_OPCODE_6404:36
ghostmansd        | PPC_OPCODE_POWER4 | PPC_OPCODE_POWER5 | PPC_OPCODE_POWER604:36
ghostmansd        | PPC_OPCODE_POWER7 | PPC_OPCODE_POWER8 | PPC_OPCODE_POWER904:36
ghostmansd        | PPC_OPCODE_ALTIVEC | PPC_OPCODE_VSX | PPC_OPCODE_SVP64),04:36
programmerjakevle and spe2 aren't in the powerisa spec. v3.1b, though iirc we had plans for something similar to vle before -- 16-bit instructions -- I came up with a scheme to make them work in little-endian mode04:40
programmerjakealso, why does libresoc include altivec and svx in the code you just posted, seems incorrect04:41
programmerjakevsx*04:41
lkclnor POWER4-POWER8 either04:45
lkclor G4.04:45
lkclISEL yes.04:46
lkclif POC_OPCODE_POWER9 is what's behind "-mpower9" and that means the 214 instructions of the SFFS Compliancy Level, then that's what is implemented04:48
lkclwhich is Power ISA 3.004:48
lkclif POWER8 means "Power ISA 2.08" which includes some instructions *not present* in Power ISA 3.0 then we definitely don't support those04:49
lkcland can't04:49
lkclthe Power ISA EULA is only available for v3.0 and v3.104:49
lkclas in: we cannot release a commercial ASIC product that is compliant with only v2.08 or v2.0704:50
lkclbottom line is, i suspect those flags will have to be reduced to:04:50
lkclPPC_OPCODE_ISEL (if that is for the isel instruction)04:50
lkclPPC_OPCODE_POWER904:51
lkclPPC_OPCODE_SVP6404:51
lkcland that's probably it04:51
lkclstrictly speaking binutils should have a PPC_OPCODE_SFFS_COMPLIANCY_LEVEL04:53
lkcland PPC_OPCODE_SFS_COMPLIANCY_LEVEL04:53
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programmerjakeghostmansd: your latest commit broke: https://salsa.debian.org/Kazan-team/mirrors/openpower-isa/-/jobs/3097155#L675207:52
ghostmansdseems strange, since I don't recall committing anything to master07:54
ghostmansdI recently committed to binutils branch...07:55
programmerjakeit's on the binutils branch07:55
programmerjakegitlab tests commits to any branch07:55
ghostmansdwhy for God's sake does it run binutils branch?07:55
ghostmansdplease drop it, it makes no sense to test it, at all07:55
programmerjakebecause it's there and useful to test07:55
ghostmansdit's not, it's WiP07:55
ghostmansdstill, a good catch07:56
programmerjakeimho it should be tested, if you think otherwise, feel free to ignore it. it's more work to disable it anyway...07:57
ghostmansdI thought for a whilem let's keep it07:58
ghostmansdis master also broken?07:58
programmerjakeyes, but only cuz some of the tests try to use soc when they shouldn't: https://salsa.debian.org/Kazan-team/mirrors/openpower-isa/-/jobs/308641308:00
ghostmansdI see that the master fails with `E   ModuleNotFoundError: No module named 'soc'`08:00
ghostmansdOK, got it08:00
programmerjakeopenpower-isa has no soc dependency listed in setup.py, so therefore we should test it without soc08:00
programmerjakealso cuz it would be a circular dependency if soc was listed08:01
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lkclsigh yes, we had a new contributor, lack of experience they introduced a circular dependency, by moving some code from soc to openpower-isa which still depended on imports from soc10:57
lkcli didn't catch it at the time and haven't had time to fix it.10:57
lkclghostmansd, opcode name/mask looks brilliant10:59
lkclkinda fascinating/exciting to see that evolve11:05
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ghostmansd> <programmerjake> ghostmansd: your latest commit broke: https://salsa.debian.org/Kazan-team/mirrors/openpower-isa/-/jobs/3097155#L675213:35
ghostmansdThis happens if we glob("*.csv") instead of iterating over the fixed set set of names, or, well, if we don't check the names.13:37
ghostmansdIdeally this piece of code should use new Database, but let's move with the smaller steps. I'll add an intermediate commit which skips insndb.csv file.13:38
ghostmansdprogrammerjake, I've signed up for salsa repository and I'm going to join the project there to launch the pipelines; could you approve the account, please?13:47
ghostmansdAh, well, it's triggered automatically. OK, perhaps I won't need this.13:48
ghostmansdFuck there are two *.csv globs. In one file. With the same filter. Copied and pasted.13:52
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lkclghostmansd[m], niiice. that's clearly me being dumb14:09
lkclbtw i'm currently going through spec and openpower-isa removing LD-ST-with-shift14:09
lkclafter Paul spotted it as an anomaly14:09
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ghostmansd[m]I'll decouple it14:21
ghostmansd[m]Already in binutils branch14:21
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ghostmansdWould the testing in CI be sufficient to assume the code works?15:23
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Guest16Hi everyone, is this project active?19:48

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