Monday, 2018-09-24

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mauz555I'd like to adapt litex-buildenv for building picorv32/vexriscv gateware based on the latest RISCV GNU toolchain (
tpbTitle: GitHub - riscv/riscv-gnu-toolchain: GNU toolchain for RISC-V, including GCC (at
mauz555do you guys have any advice worth knowing before diving into that task ?00:28
CarlFKmauz555: i forget, did you get though
tpbTitle: HowTo LCA2018 FPGA Miniconf · timvideos/litex-buildenv Wiki · GitHub (at
mauz555CarlFK: It works well until I do "Doing the build of Linux"
tpbTitle: (LX P=arty C=or1k) [email protected]:/opt/litex-buildenv$ export CPU=or1k CPU_VAR - (at
CarlFKmauz555: what's the error?  (and how long ago did you try, we have been fixing things for the last few weeks)00:56
CarlFKmithro: woot!!! the expected qemu builds and boots the hdmi2usb!!!00:57
mauz555CarlFK: I tried just rn now from the beginning -- my repo is up-to-date00:58
CarlFKmauz555: I just now started ./scripts/build-linux.sh00:58
CarlFKgood time to run to the kitchen and find some food00:59
mauz555CarlFK: "or1k-elf-newlib-gcc --version" breaks "./scripts/" on my machine -- -- it seems to be the cause of the issue01:06
tpbTitle: (LX P=arty C=or1k.linux F=linux) [email protected]:/opt/litex-buildenv$ or1k-elf- - (at
mauz555CarlFK: "export LC_ALL=C" seems to have fixed first part of the problem, the same error appears later in the script01:14
CarlFKmauz555: good find, I get the core dump too01:15
CarlFKmithro: you awake?  (doubt it)01:15
mauz555CarlFK: "export LANG=" fix the other message about the locales01:17
CarlFKmauz555: you are on 18.04 right?01:18
mauz555Ubuntu 18.04.1 LTS01:19
mauz555CarlFK: here last here :
tpbTitle: (LX P=arty C=or1k.linux F=linux) [email protected]:/opt/litex-buildenv$ export LC - (at
mauz555last error after the locale fixes*01:21
CarlFKyep, I'm getting the same thing.   I think this has been fixed, but I guess the fix hasn't landed where it needs to01:24
CarlFKewenmithro: FWIW, my notes on finding the root cause (for another context) are at (currently the last couple of comments, on LC_TIME)01:30
tpbTitle: Synology NAS timercreate Bad address (at
CarlFKwelp.. im out for a while01:33
CarlFKsorry folks, I thought we had it all smoothed out01:33
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mauz555CarlFK: Also when running the script it seems like it failed downloading part of the toolchain01:50
mauz555Installing C compiler toolchain01:50
mauz555Installing binutils for riscv32-unknown (assembler, linker, and other tools)01:50
mauz555Solving environment: failed01:50
mauz555PackagesNotFoundError: The following packages are not available from current channels:01:50
mauz555  - binutils-riscv32-unknown-elf=2.2801:50
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shornemithro: my repo is 9.0.0 which is not yet released (its the current head of upstream gcc)06:26
shornemithro: I dont know/remember any 8.x repo for or1k06:26
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CarlFKmithro: linux still ins't building -
tpbTitle: (LX P=arty C=or1k.linux F=linux) [email protected]:/opt/litex-buildenv$ or1k-elf- - (at
CarlFKmithro: should I open an issue simewhere?07:53
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shorneCarlFK: I can reproduce that faiure09:04
shornefor me doing ' export LC_ALL=C' will suppress it09:05
shornework around it09:05
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CarlFKshorne: export LC_ALL=C ..12:07
CarlFK/home/juser/tv/litex-buildenv/third_party/linux/include/linux/string.h:9:20: fatal error: stdarg.h: No such file or directory12:07
shorneok, thats a different part12:09
shorneI think stdarg.h should be provided by the compiler12:10
shornesomething strange12:10
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mithroCarlFK: can you tell me the version of the compiler you have?13:04
mithroI was sure I compiled without language support...13:05
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shornemithro: _florent_: from within litex-buildenv is litex_sim available?14:12
shorneoh. I see it in setup.py14:18
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mithroshorne: I think the sim target is broken...14:27
CarlFKmithro: gcc version 7.3.0 (Ubuntu 7.3.0-16ubuntu3)14:56
tpbTitle: Ubuntu Pastebin (at
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mithroCarlFK: Your gcc for or1k15:03
mithroor1k-elf-newlib-gcc --version15:03
CarlFKmithro: or1k-elf-newlib-gcc (GCC) 5.4.015:04
CarlFKmithro: /home/juser/tv/litex-buildenv/build/conda/bin/or1k-elf-newlib-gcc15:04
CarlFKmithro: os and everything installed yesterday, all cut/past commands from
tpbTitle: HowTo LCA2018 FPGA Miniconf · timvideos/litex-buildenv Wiki · GitHub (at
mithro# conda list | grep gcc15:06
mithrogcc-lm32-elf-nostdc       5.4.0           20180626_180158    timvideos15:06
mithroCarlFK: Run that...15:10
CarlFKgcc-or1k-elf-nostdc       5.4.0_4334_g9310fdc97ee 20180626_180828    timvideos15:11
CarlFKand some others:15:11
CarlFKgcc-or1k-elf-newlib       5.4.0_4334_g9310fdc97ee 20180626_181158    timvideos15:11
CarlFKlibgcc-ng                 8.2.0                hdf63c60_115:11
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CarlFKmithro: just noticed you posted  lm32, I don't have that16:29
mithroCarlFK: busy currently16:29
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mithroHrm, I can't figure out why it isn't installing the latest version...17:59
CarlFKmithro: is there something I can do to force it so I can proceed and see if there are any more problems?18:01
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mithroCarlFK: can you blow away your build directory and start the from scratch?18:03
CarlFKmithro: this is new: An unexpected error has occurred. Conda has prepared the above report.18:06
tpbTitle: Ubuntu Pastebin (at
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cr1901_modernWhy is ewen making me think T_T?
tpbTitle: Add support for LiteX boards which run their main program from flash. by cr1901 · Pull Request #51 · fupy/micropython · GitHub (at
mithroCarlFK: "git pull; rm -rf build; ./scripts/" ?18:09
CarlFKmithro: running it.. -ssd box, stuff is pretty fast18:10
CarlFKmithro: An unexpected error has occurred. Conda has prepared the above report.18:11
CarlFK    UnicodeEncodeError: 'ascii' codec can't encode characters in position 124-125: ordinal not in range(128)18:11
mithroCarlFK: Do you have some weird unicode character in your path?18:11
CarlFKopenocd-0.10.0_444_g | 1.3 MB    | ##################################### | 100%18:11
mithroCarlFK: pwd18:11
CarlFKmithro: I don't think so.  this is a fresh 18.04 install from 2 day ago18:11
CarlFK(LX P=arty C=or1k.linux F=linux) [email protected]:~/tv/litex-buildenv$ pwd18:11
mithroCarlFK: mount ?18:12
CarlFKmithro: mount
tpbTitle: Ubuntu Pastebin (at
CarlFK      File "/home/juser/tv/litex-buildenv/build/conda/lib/python3.6/", line 179, in lexists18:13
CarlFK        os.lstat(path)18:13
CarlFKmithro:  if I put some prints() before that, how can I re-run it?18:14
CarlFKnm- got it..18:20
CarlFKgetting closer...         print("cfk #2 {}".format(path))18:21
CarlFK    UnicodeEncodeError: 'ascii' codec can't encode characters in position 131-132: ordinal not in range(128)18:21
CarlFKmithro: cfk #2.1 b'/home/juser/tv/litex-buildenv/build/conda/pkgs/openocd-0.10.0_444_g8b8b66559-20180626_1810/share/openocd/scripts/target/1986\xd0\xb2\xd0\xb51\xd1\x82.cfg'18:22
CarlFKmithro: [email protected]:~/tv/litex-buildenv$ ls  build/conda/pkgs/openocd-0.10.0_444_g8b8b66559-20180626_1810/share/openocd/scripts/target18:23
tpbTitle: Ubuntu Pastebin (at
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mithroCarlFK[m]: "share/openocd/scripts/target/1986\xd0\xb2\xd0\xb51\xd1\x82.cfg" that doesn't look valid?20:00
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CarlFKI'll be back in an hour20:33
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