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Arch Linux is not officially supported by Vivado, but as happens with Xilinx ISE WebPACK, most of its features can be used with a bit of hacking.

## Installation

Xilinx Vivado can be downloaded from its official website [1]. It is recommended to download "Vivado HLx <year>.<version>: All OS installer Single-File Download" tarball, but make sure not to be in a hurry, as it is a large download (over 70 GB). Update tarballs can also be downloaded and installed later.

### AUR Package

The vivadoAUR package can be used to create a Vivado installation managed by pacman. Since the download of the installer is locked behind a login wall, it needs to be downloaded manually as outlined above and placed in the same directory as the PKGBUILD. The package only builds the latest major version (<year>.<version>), not the minor updates (<year>.<version>.<update>); if these are required, install Vivado manually instead.

### Digilent USB-JTAG Drivers

To use Digilent Adept USB-JTAG adapters (e.g. the onboard JTAG adapter on the ZedBoard) from Vivado, you need to install the Digilent Adept Runtime.

Make sure you have installed fxloadAUR.

To install the Digilent Adept Runtime, it is recommended to install digilent.adept.runtimeAUR.

In addition, installing digilent.adept.utilitiesAUR may do good to configuring your board.

## Tips and tricks

### Enable display scaling

Start Vivado, then set the scaling rate through Tools > Setting > Display > Scaling.

### Disable WebTalk

The free WebPACK license does not let you disable this feature which uploads usage data to Xilinx's servers when generating a bitstream, but synthesis will complete just fine if the connection fails. A simple way to make it fail consistently for Vivado tools only is to set an invalid HTTPS proxy for it.

    /opt/Xilinx/Vivado/<version>/bin/setupEnv.sh

    ...

    export HTTPS_PROXY=localhost

This method will not pollute your environment, only the temporary environment that is configured upon startup of the tools, so it should not break anything else.

## Troubleshooting

### HTML links under Help menu do not open in browser

See https://support.xilinx.com/s/article/76524?language=en_US[dead link 2021-11-19 ⓘ]

Create file

    /Xilinx_path/Vitis_HLS/yyyy.Q/bin/compat_firefox

    #!/bin/sh
    unset LD_LIBRARY_PATH
    firefox $@

then configure the script at Window > Preferences > Web Browser.

### Vitis HLS no response or only splash screen visible

See https://support.xilinx.com/s/question/0D52E00006hpY4PSAU/vitishls-20202-not-starting-only-splash-screen-visible[dead link 2021-11-19 ⓘ]

When you run `/Xilinx_path/Vitis_HLS/yyyy.Q/bin/vitis_hls` (the path of Vitis_HLS in *.Desktop file), you may get

    /Xilinx_path/Vitis_HLS/yyyy.Q/bin/vitis_hls

    ****** Vitis HLS - High-Level Synthesis from C, C++ and OpenCL v2021.2 (64-bit)
      **** SW Build 3367213 on Tue Oct 19 02:47:39 MDT 2021
      **** IP Build 3369179 on Thu Oct 21 08:25:16 MDT 2021
        ** Copyright 1986-2021 Xilinx, Inc. All Rights Reserved.

    source /opt/Xilinx/Vitis_HLS/2021.2/scripts/vitis_hls/hls.tcl -notrace
    INFO: [HLS 200-10] Running '/opt/Xilinx/Vitis_HLS/2021.2/bin/unwrapped/lnx64.o/vitis_hls'
    INFO: [HLS 200-10] For user 'username' on host 'hostname' (Linux_x86_64 version 5.14.16-arch1-1) on Sun Nov 07 21:57:50 CST 2021
    INFO: [HLS 200-10] On os "Arch Linux"
    INFO: [HLS 200-10] In directory '$HOME'
    INFO: [HLS 200-10] Bringing up Vitis HLS GUI ...

Then it is stuck here or exit directly.

To fix this issue, first change the file `/Xilinx_path/Vitis_HLS/yyyy.Q/common/scripts/autopilot_init.tcl` line 40

from

    ----%r&-'%rl%&n$&lt'v-=

to

    ----%r&-'%rl%&n$&lt'v->

Then add

    osgi.locking=none

to file

`/Xilinx_path/Vitis_HLS/yyyy.Q/lnx64/tools/eclipse/configuration/config.ini`

### Synthesis segfaults

See https://support.xilinx.com/s/feed/0D52E00006hpUycSAE?language=en_US

You will need to recompile glibc (just take the PKGBUILD from the abs) with `--disable-lock-elision`. Instead of patching the system libc in `/usr/lib`, copy the newly compiled `libpthread-2.25.so` and `libc-2.25.so` to `/opt/Xilinx/Vivado/2016.4/ids_lite/ISE/lib/lin64` Do not forget to repeat this when glibc gets upgraded.

### xsct, xsdb, xmd, and tclsh segfault

The Xilinx Vivado command-line tools xsct, xsdb, xmd, and tclsh may crash with a message similar to the following:

    Segmentation fault (core dumped) "$RDI_BINROOT"/unwrapped/"$RDI_PLATFORM$RDI_OPT_EXT"/rlwrap -rc -f "$RDI_APPROOT"/scripts/xsdb/xsdb/cmdlist -H "$HOME"/.xsctcmdhistory "$RDI_BINROOT"/loader -exec rdi_xsct "${RDI_ARGS[@]}"

This is a problem with the rlwrap version bundled with Vivado, probably due to the lack of legacy vsyscall emulation in Arch Linux. To fix this issue, either drop rlwrap altogether (losing command history and auto-completion), or install rlwrap and edit the path to the rlwrap binary in the affected command startup script(s) from:

    /opt/Xilinx/{Vivado,SDK}/YYYY.Q/bin/{xsct,xsdb,xmd,tclsh}

    # Use rlwrap to invoke the tool
    "$RDI_BINROOT"/unwrapped/"$RDI_PLATFORM$RDI_OPT_EXT"/rlwrap ...

To the following:

    /opt/Xilinx/{Vivado,SDK}/YYYY.Q/bin/{xsct,xsdb,xmd,tclsh}

    # Use rlwrap to invoke the tool
    /usr/bin/rlwrap ...
    # OR run the tool without rlwrap
    #"$RDI_BINROOT"/loader -exec rdi_{xsct,xsdb,xmd,tclsh} "${RDI_ARGS[@]}"

### Vivado HLS testbench error with GCC

Vivado requires an older version of glibc (2.26).

The solution proposed in this thread from Xilinx forums suggests to update the fixed headers shipped by Xilinx.

Run:

     # /opt/Xilinx/Vivado/2018.1/lnx64/tools/gcc/libexec/gcc/x86_64-unknown-linux-gnu/4.6.3/install-tools/mkheaders /opt/Xilinx/Vivado/2018.1/lnx64/tools/gcc

### Vivado Crashes with Wayland

If Vivado crashes and the error file contains something similar to this:

    hs_err_pid*.log

    #
    # An unexpected error has occurred (11)
    #
    Stack:
    /opt/Xilinx/Vivado/2018.2/tps/lnx64/jre/lib/amd64/server/libjvm.so(+0x923da9) [0x7fced0c19da9]
    /opt/Xilinx/Vivado/2018.2/tps/lnx64/jre/lib/amd64/server/libjvm.so(JVM_handle_linux_signal+0xb6) [0x7fced0c203f6]
    /opt/Xilinx/Vivado/2018.2/tps/lnx64/jre/lib/amd64/server/libjvm.so(+0x9209d3) [0x7fced0c169d3]
    /usr/lib/libc.so.6(+0x368f0) [0x7fcf0ea408f0]
    /opt/Xilinx/Vivado/2018.2/tps/lnx64/jre/lib/amd64/libawt_xawt.so(+0x42028) [0x7fceb1a20028]
    /opt/Xilinx/Vivado/2018.2/tps/lnx64/jre/lib/amd64/libawt_xawt.so(+0x42288) [0x7fceb1a20288]
    /opt/Xilinx/Vivado/2018.2/tps/lnx64/jre/lib/amd64/libawt_xawt.so(Java_sun_awt_X11_XRobotPeer_getRGBPixelsImpl+0x17c) [0x7fceb1a1867c]
    [0x7fcec0cb94cf]

Switch to using Xorg instead of Wayland. The version of Java Vivado uses has compatibility problems with Wayland.

### To update Vivado from 2020.1 to Vivado 2020.1.1

If your 2020.1 installation failed to launch and needed to be installed in batch mode, you will need to update using batch mode:

    # ./xsetup -b Update

If Vivado was originally installed by the root user, you will need to launch the update as the root user.

### Configuring an IP in Vivado 2021.2 causes a crash

See [2]

When editing an IP with Vivado 2021.2, Vivado may crash and report the following error:

    hs_err_pid*.log

    #
    # An unexpected error has occurred (11)
    #
    Stack:
    /opt/Xilinx/Vivado/2021.2/tps/lnx64/jre11.0.11_9/lib//server/libjvm.so(+0xbefecb) [0x7fd1e21efecb]
    /opt/Xilinx/Vivado/2021.2/tps/lnx64/jre11.0.11_9/lib//server/libjvm.so(JVM_handle_linux_signal+0xd1) [0x7fd1e21f6c81]
    /opt/Xilinx/Vivado/2021.2/tps/lnx64/jre11.0.11_9/lib//server/libjvm.so(+0xbead23) [0x7fd1e21ead23]
    /usr/lib/libc.so.6(+0x42560) [0x7fd246e38560]
    /opt/Xilinx/Vivado/2021.2/tps/lnx64/jre11.0.11_9/lib/libharfbuzz.so(+0x3574d) [0x7fd1bc03574d]
    /usr/lib/libharfbuzz.so.0(hb_font_funcs_set_glyph_shape_func+0x36) [0x7fd24503e886]
    /usr/lib/libharfbuzz.so.0(+0x9a802) [0x7fd2450ab802]
    /usr/lib/libharfbuzz.so.0(hb_ft_font_create+0x37) [0x7fd2450abcc7]
    /usr/lib/libfreetype.so.6(+0x5e2f0) [0x7fd2464912f0]
    /usr/lib/libfreetype.so.6(+0x6b7ad) [0x7fd24649e7ad]
    /usr/lib/libfreetype.so.6(FT_Load_Glyph+0x681) [0x7fd2464471a1]
    /opt/Xilinx/Vivado/2021.2/tps/lnx64/jre11.0.11_9/lib/libfontmanager.so(+0x7abf) [0x7fd1bc407abf]
    /opt/Xilinx/Vivado/2021.2/tps/lnx64/jre11.0.11_9/lib/libfontmanager.so(Java_sun_font_FreetypeFontScaler_getGlyphAdvanceNative+0x14) [0x7fd1bc4082b4]
    [0x7fd1c8e87710]

This is due to a conflict between Vivado's and system's version of harfbuzz library.

A possible workaround is to force Vivado to use the system `libharfbuzz`, by renaming the `.so`

    # mv /opt/Xilinx/Vivado/2021.2/tps/lnx64/jre11.0.11_9/lib/libharfbuzz.so /opt/Xilinx/Vivado/2021.2/tps/lnx64/jre11.0.11_9/lib/libharfbuzz.so.bak

### Synthesis fails on certain locales

If your system locale does not use a dot `.` as the decimal seperator, but for example a comma `,` (e.g. `de_DE`), synthesis may fail with errors such as wrong operator types for `+`.

A possible workaround is to force Vivado to use `en_US.UTF-8` as the locale for numerics. This can be easily done by appending

    export LC_NUMERIC=en_US.UTF-8

to `<your-vivado-installation-path>/bin/setupEnv.sh`.

### Fonts ignore system anti-aliasing settings

With OpenJDK 11 and Vivado display scaling activated, the menu and other UI element fonts may render without any anti-antialiasing regardless of desktop environment settings. This can be fixed by editing the Vivado launch script to append `awt.useSystemAAFontSettings=on` to the JVM options.

Assuming Vivado is installed in the default location of `/opt/Xilinx/Vivado/YYYY.Q` where `YYYY.Q` is the verion (i.e. 2020.2), modify `vivado` to include the following:

    /opt/Xilinx/Vivado/YYYY.Q/bin/vivado

    ...
    export _JAVA_OPTIONS="-Dawt.useSystemAAFontSettings=on -Dswing.aatext=true"
    ...

### Blank/grey UI when using WM (non-reparenting window manager)

This is a common issue in a number of window managers. (DWM, Awesome, bspwm) Java does not play well with these window managers.

    /opt/Xilinx/Vivado/YYYY.Q/bin/vivado

    ...
    export _JAVA_AWT_WM_NONREPARENTING=1
    ...

### Vitis: Can't load library: ... libswt-pi4-gtk.so ...

You run vitis:

    $ /tools/Xilinx/Vitis/2022.2/bin/vitis

You get error messages here

    /home/<user>/.Xilinx/Vitis/2022.2/<a-long-numbers>.log

    ...
    	no swt-pi4-gtk-4932r18 in java.library.path: [/tools/Xilinx/Vitis/2022.2/tps/lnx64/java-cef-95.0.4638.69/bin/lib/linux64, /tools/Xilinx/Vitis/2022.2/tps/lnx64/javafx-sdk-11.0.2/lib, /tools/Xilinx/Vitis/2022.2/lib/lnx64.o/Default, /tools/Xilinx/Vitis/2022.2/lib/lnx64.o, /tools/Xilinx/Vitis/2022.2/tps/lnx64/jre11.0.11_9/lib/, /tools/Xilinx/Vitis/2022.2/tps/lnx64/jre11.0.11_9/lib//server, /tools/Xilinx/Vitis/2022.2/lib/lnx64.o, /tools/Xilinx/Vitis/2022.2/lib/lnx64.o/Default, /tools/Xilinx/Vitis/2022.2/lib/lnx64.o, /tools/Xilinx/Vitis/2022.2/tps/lnx64/python-3.8.3/lib, /tools/Xilinx/Vitis/2022.2/aietools/lib/lnx64.o, /tools/Xilinx/Vitis/2022.2/bin/../lnx64/tools/dot/lib, /usr/java/packages/lib, /usr/lib64, /lib64, /lib, /usr/lib]
    	no swt-pi4-gtk in java.library.path: [/tools/Xilinx/Vitis/2022.2/tps/lnx64/java-cef-95.0.4638.69/bin/lib/linux64, /tools/Xilinx/Vitis/2022.2/tps/lnx64/javafx-sdk-11.0.2/lib, /tools/Xilinx/Vitis/2022.2/lib/lnx64.o/Default, /tools/Xilinx/Vitis/2022.2/lib/lnx64.o, /tools/Xilinx/Vitis/2022.2/tps/lnx64/jre11.0.11_9/lib/, /tools/Xilinx/Vitis/2022.2/tps/lnx64/jre11.0.11_9/lib//server, /tools/Xilinx/Vitis/2022.2/lib/lnx64.o, /tools/Xilinx/Vitis/2022.2/lib/lnx64.o/Default, /tools/Xilinx/Vitis/2022.2/lib/lnx64.o, /tools/Xilinx/Vitis/2022.2/tps/lnx64/python-3.8.3/lib, /tools/Xilinx/Vitis/2022.2/aietools/lib/lnx64.o, /tools/Xilinx/Vitis/2022.2/bin/../lnx64/tools/dot/lib, /usr/java/packages/lib, /usr/lib64, /lib64, /lib, /usr/lib]
    	Can't load library: /home/<user>/.swt/lib/linux/x86_64/libswt-pi4-gtk-4932r18.so
    	Can't load library: /home/<user>/.swt/lib/linux/x86_64/libswt-pi4-gtk.so
    ...

This problem is due to `libstdc++.so.6`.

Make sure `libstdc++.so.6` has been installed in your computer.

    $ find /usr/lib -iname 'libstdc++.so.6'

Let's fix it:

    # cd /tools/Xilinx/Vitis/2022.2/lib/lnx64.o/Default/
    # mv libstdc++.so.6 libstdc++.so.6.bak
    # ln -sf /usr/lib/libstdc++.so.6 ./libstdc++.so

Above way should solve this problem when you run Vitis.

## Licensing

Xilinx Vivado contains modules called Intelectual Property (IP) cores and as the name suggests, you should expect licenses to be required for these modules. Two modes of licensing are possible: Floating (server) or Nodelocked (license file).

### Floating License

Set the environment variable `XILINX_LICENSE_FILE` to point to a floating server license. You will have to be on the same network as the server, so connecting with a VPN might me required.

    your-vivado-installation-path/bin/setupEnv.sh

    ...
    # Add your floating license
    export XILINXD_LICENSE_FILE=2100@<server_name>

### Nodeblocked License

Generate a license file at https://www.xilinx.com/getlicense . You will shortly receive an automatically generated email with the license file `Xilinx.lic`. Download this to `${HOME}/.Xilinx` directory.

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