Tuesday, 2018-09-25

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CarlFKmithro: I'm back - did you track down where that crazy filename came from?01:09
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CarlFKmithro: getting closer: qemu-system-or1k -M litex ... SoC BIOS / CPU: MOR1K / 100MHz (good)07:49
CarlFKServing cmdline.txt to ... File build/tftpd//cmdline.txt not found07:50
CarlFKguessing bad.07:50
CarlFKmithro: http://paste.ubuntu.com/p/7xrGvrDRdw/07:52
tpbTitle: Ubuntu Pastebin (at paste.ubuntu.com)07:52
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mithroCarlFK: cmdline and initrd should be fine?07:53
CarlFKmithro: good morning07:53
CarlFKmithro: [email protected]:~/tv/litex-buildenv$ find ./ -name cmdline.txt -> nothing07:53
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mithroshorne: https://github.com/stffrdhrn/gcc.git shares no common commits with git://gcc.gnu.org/git/gcc.git ?08:41
tpbTitle: GitHub - stffrdhrn/gcc: GCC port rewrite for OpenRISC (at github.com)08:41
mithroCarlFK: you don't need any cmdline or initrd IIRC08:42
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CarlFKmithro: I never see Welcome to Buildroo; buildroot login:09:00
mithroCarlFK: :-(09:00
mithroCarlFK: Do you see any kernel boot output?09:00
CarlFKmithro: nope - just this http://paste.ubuntu.com/p/7xrGvrDRdw/09:02
tpbTitle: Ubuntu Pastebin (at paste.ubuntu.com)09:02
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mithroCarlFK: poke shorne09:03
CarlFKshorne: fix it!!! :p09:03
CarlFK4am - I'm going to kick off the re-image and run through everything again when I wake up09:07
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mithroshorne: Your patches don't seem to have tags in the history?09:36
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mithroshorne: I rebased your branch on Github onto the 8.2.0 release here -> https://github.com/mithro/gcc11:35
tpbTitle: GitHub - mithro/gcc: GCC port rewrite for OpenRISC (at github.com)11:35
mithroshorne: What is the best way to check if it's actually correct?11:35
mithroshorne: Looks like I should be using or1k-port-2a branch instead?12:04
mithro_florent_: https://github.com/enjoy-digital/litex/commit/63fc395006af11a5f1166537411c50bf13e1155c#diff-5fd6a8bd04825e9e811680873c9688dcR5 :-P12:07
tpbTitle: soc/cores: init clock abstraction module · enjoy-digital/[email protected] · GitHub (at github.com)12:07
mithro_florent_: I had been thinking of doing exactly that....12:07
_florent_mithro: that's quite useful in fact: https://github.com/enjoy-digital/litedram/commit/30c32f557cd27d8bbfbebdb3ee95ea2184d143bb :)12:08
tpbTitle: example/litedram_gen: simplify clocking with new S7PLL module, a lot … · enjoy-digital/[email protected] · GitHub (at github.com)12:08
shornemithro: hello12:08
shornereading history12:08
mithro_florent_: Yeah12:09
shorneshorne  [email protected]:stffrdhrn/gcc.git (push)12:09
shorneupstream        git://gcc.gnu.org/git/gcc.git (fetch)12:09
shornegit merge-base shorne/or1k-port-2a upstream/master12:10
shornemaybe you are not using or1k-port-2a? the tag is or1k-9.0.012:10
mithroyeah, I'm on or1k-port the default branch12:11
shornehmm, I should change the default branch, I changed it after submittingversion 1 for upstream review12:11
shorneCarlFK: sure I am meaning to work on it12:12
shornetrying to finish some binutils/gcc patches first12:12
shornemithro: what do you mean patches have tags? git tags?12:13
shorneI have tags or1k-*12:13
mithroede0f945e1d6744f89c1e9b9e46b23aa3e054362 ?12:13
mithro[email protected]:~/github/timvideos/conda-hdmi2usb-packages/temp/gcc$ git describe --tags --match gcc*12:14
mithrofatal: No names found, cannot describe anything.12:14
mithroshorne:  https://www.irccloud.com/pastebin/P4ovIhxN/12:15
shorneI am not sure rebasing on 8.2.0 would work there may be a few APi changes12:18
shornebut I can't remember, it might work12:18
shorneWhat version of binutils are you using12:19
shorneha() is something new, not upstream yet12:19
shorneso... it looks Like it did compile12:19
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shornemithro: check out https://github.com/stffrdhrn/binutils-gdb/tree/or1k-612:20
tpbTitle: GitHub - stffrdhrn/binutils-gdb at or1k-6 (at github.com)12:20
shornethere is a tag12:20
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tpbTitle: Release or1k-2.30.51: or1k: fix issue with l.maci not sign extending · stffrdhrn/binutils-gdb · GitHub (at github.com)12:21
shornemithro: sorry, I am not sure what you mean by my commit is not tagged12:21
mithroshorne: yes, compiled fine -> https://github.com/mithro/gcc12:21
tpbTitle: GitHub - mithro/gcc: GCC port rewrite for OpenRISC (at github.com)12:21
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tsgloveGood morning o/12:22
shornemithro: sorry, I think you need my latest version for binutils-gdb too12:22
shornethis confusion is why I want to get this all upstream asap12:23
mithroshorne: how does binutils-gdb and binutils releases relate?12:26
shornebinutils-gdb contains both binutils and gdb12:35
shornefrom 1 repo they release 2 separate things12:35
shornewhen releasing bintuils it includes objdump,gas,ld12:36
shornewhen releasing gdb it includes gdb12:36
shornebut the 2 of them inter depend on cpu,bfd and other architecture definition infrastructure in binutils-gdb12:36
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cr1901_modernmithro: https://github.com/enjoy-digital/litex/pull/109 Could you take a look when you have the chance please?12:51
tpbTitle: Improve XIP Support by cr1901 · Pull Request #109 · enjoy-digital/litex · GitHub (at github.com)12:51
mithroshorne: What I want is a patch for gcc-8.2.0 which adds or1k support and a patch for binutils-2.31.112:57
mithroshorne: Trying to use those versions for all architectures12:58
shorneok, I am about to get on the plane in copenhagen, what you have on top of gcc-8.2.0 looks good13:02
shorneif you want to do the same for binutils-gdb using my or1k-6 branch it should work13:02
shornemithro: if not I will try to help out when I get back to tokyo13:02
mithroshorne: the commits which start with or1k seem to be what I want?13:03
shorneyes... or just cherry-pick everything after c44deb735e13:05
shornefor the or1k-6 branch its very small set of squashed patches it should be easy to spot13:06
shornemithro: but no I remember... the problem with binutils-gdb is between 2.31.1 and current head is there were a bunch of upstream or1k patches for new API's whitespace cleanup done by binutils maintainers13:07
shornethe patches might not apply cleanly13:07
shorne*now I remember*..13:08
mithroshorne: There seem to be like just 4 patches at the end which apply cleanly?13:08
mithrowe'll see how I go13:09
mithrocr1901_modern: Seems good to me - Do you want to poke _florent_ ?13:35
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_florent_cr1901_modern: hi, sorry, i saw that this morning then forget to merge. Thanks, that's also fine for me, going to merge.13:37
_florent_cr1901_modern: done :)13:37
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CarlFKmithro: do you mind if I move all the package install  to the top? re:  https://github.com/timvideos/litex-buildenv/wiki/HowTo-LCA2018-FPGA-Miniconf16:43
tpbTitle: HowTo LCA2018 FPGA Miniconf · timvideos/litex-buildenv Wiki · GitHub (at github.com)16:43
mithroCarlFK: Maybe16:43
CarlFKmithro: that's the worst answer you could give me :p16:43
CarlFKmithro: I'll just leave it as is. no biggie.16:44
mithroCarlFK: well, I guess I can easily revert a commit if I don't like it16:44
CarlFKmithro: why wouldn't you want it consolidated?16:45
mithroCarlFK: Because a person is suppose to work through it16:45
CarlFKmithro: oh, by "package install" I mean the "apt-get install" lines16:46
mithroCarlFK: Yes, I wanted the packages required for each section to be seperate so we could split it apart at a later date16:46
CarlFKmithro: I thought that might be it.  I suspect the current lists (of packages) aren't very accurate.   for sure I have had to add a few here and there, and I am very sure the later sections only work because of packages installed in the early sections but missing from the later16:49
CarlFKbut meh, I don't think it matters much the way it is16:49
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CarlFKshorne:  I'm kinda blocked on qemu not booting linux - should this work?   https://github.com/stffrdhrn/qemu.git QEMU_BRANCH=litex17:30
tpbTitle: GitHub - stffrdhrn/qemu: Official QEMU mirror. Please see http://wiki.qemu.org/Contribute/SubmitAPatch for how to submit changes to QEMU. Pull Requests are ignored. (at github.com)17:30
cr1901_modernmithro, _florent_: thanks. Took a nap lol17:46
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cr1901_modernI swear, I make so many PRs between migen and litex I have half a mind to write a bot that opens PR and autofills the description field with "For {migen/misoc, litex} parity"20:53
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cr1901_modernmithro: ewen signed off on my changes, but I still need to update things. Both litex-buildenv and micropython PRs should be ready in a few mins21:51
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CarlFKcan we squeeze in building micropython for or1k in qemu and add it to https://github.com/timvideos/litex-buildenv/wiki/HowTo-LCA2018-FPGA-Miniconf#run-linux-in-qemu21:56
tpbTitle: HowTo LCA2018 FPGA Miniconf · timvideos/litex-buildenv Wiki · GitHub (at github.com)21:56
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cr1901_modernmithro: https://github.com/timvideos/litex-buildenv/pull/67 This is okay to merge if you sign off on it. Micropython needs a bit more work22:47
tpbTitle: firmware: Update litex submodule, Makefiles, and linker scripts to support crt0-flash startup code. by cr1901 · Pull Request #67 · timvideos/litex-buildenv · GitHub (at github.com)22:47
cr1901_modernxobs: This just happened: http://ix.io/1nyy22:47
cr1901_modernAny idea how to fix it? :) It was your patch :D22:47
CarlFKcr1901_modern: do you know if anyone runs Micropython in qemu?22:53
cr1901_modernCarlFK: I'm not aware of anyone who does22:54
CarlFKk - I thought that was a thing.  never mind22:54
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