diff --git a/.buildinfo b/.buildinfo new file mode 100644 index 0000000..e77882b --- /dev/null +++ b/.buildinfo @@ -0,0 +1,4 @@ +# Sphinx build info version 1 +# This file hashes the configuration used when building these files. When it is not found, a full rebuild will be done. +config: 798358eebb4b84ce43067111ccd07dd7 +tags: 645f666f9bcd5a90fca523b33c5a78b7 diff --git a/.nojekyll b/.nojekyll new file mode 100644 index 0000000..e69de29 diff --git a/Co-design.html b/Co-design.html new file mode 100644 index 0000000..6054bad --- /dev/null +++ b/Co-design.html @@ -0,0 +1,179 @@ + + + + + + + Hardware-software co-design — SIEAV CVS latest documentation + + + + + + + + + + + + + + + + +
+ + +
+ +
+
+ + +
+ +
+
+ +
+
+ +
+

Hardware-software co-design

+
+_images/software-hardware.png +
+

Fig. 2 Summary of software-hardware co-execution solutions.

+
+
+
+

Hint

+

Hooking functions/instructions in binary applications:

+ +

Use cases:

+
    +

  • Running binaries with custom instructions on devices without hardware support.

    • +

  • Replacing software routines with hardware accelerators, without modifying application sources.

    • +

  • Switching drivers/implementations without recompiling the software application.

    +
      +

    • For instance, evaluating accelerators on target boards before the RTL is ready for synthesis.

      • +
    +
    • +
+
+ +
+_images/vboard.png +
+

Fig. 3 gh:dbhi/vboard: virtual development board for HDL design.

+
+
+

Co-execution platform options:

+
    +

  • Workstation/laptop (amd64)

    +
      +

    • Native

      • +

    • QEMU user mode

      • +

    • QEMU system mode

      • +
    +
    • +

  • Single Board Computer (SBC)

    • +

  • FPGA board (PS only)

    • +

  • FPGA board (PS and PL)

    • +
+
+ + +
+
+ +
+
+
+
+ + + + \ No newline at end of file diff --git a/Control.html b/Control.html new file mode 100644 index 0000000..676bb26 --- /dev/null +++ b/Control.html @@ -0,0 +1,141 @@ + + + + + + + Control system modelling in VHDL 2008 — SIEAV CVS latest documentation + + + + + + + + + + + + + + + + +
+ + +
+ +
+
+ + +
+ +
+
+ +
+
+ +
+

Control system modelling in VHDL 2008

+
    +

  • From 64-bit floating-point to custom fixed-point.

    +
      +

    • OSVB: fpconv: data type exploration and visualization in arithmetic algorithms/circuits.

      • +
    +
    • +

  • From a single process to a spatial synthesizable design.

    +
      +

    • Clocking schemes.

      • +
    +
    • +

  • Passing complex generics/parameters through JSON-for-VHDL.

    • +

  • From an isolated core to a software-hardware partitioned design.

    + +
    • +
+

TBC

+
+ + +
+
+ +
+
+
+
+ + + + \ No newline at end of file diff --git a/DevEnv101.html b/DevEnv101.html new file mode 100644 index 0000000..f277d65 --- /dev/null +++ b/DevEnv101.html @@ -0,0 +1,155 @@ + + + + + + + Development Environment 101 — SIEAV CVS latest documentation + + + + + + + + + + + + + + + + +
+ + +
+ +
+
+ + +
+ +
+
+ +
+ +
+ +
+
+
+
+ + + + \ No newline at end of file diff --git a/Doc-License.html b/Doc-License.html new file mode 100644 index 0000000..1058a02 --- /dev/null +++ b/Doc-License.html @@ -0,0 +1,415 @@ + + + + + + + Creative Commons Attribution 4.0 International — SIEAV CVS latest documentation + + + + + + + + + + + + + + + + +
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+ + + + \ No newline at end of file diff --git a/Exercise.html b/Exercise.html new file mode 100644 index 0000000..86a5eaf --- /dev/null +++ b/Exercise.html @@ -0,0 +1,123 @@ + + + + + + + Assignment/exercise — SIEAV CVS latest documentation + + + + + + + + + + + + + + + + +
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Assignment/exercise

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SISO AXI4 Stream DSP core

+

TBC

+
+ + +
+
+ +
+
+
+
+ + + + \ No newline at end of file diff --git a/Installation.html b/Installation.html new file mode 100644 index 0000000..45f99ec --- /dev/null +++ b/Installation.html @@ -0,0 +1,136 @@ + + + + + + + Installation of FLOSS EDA tools — SIEAV CVS latest documentation + + + + + + + + + + + + + + + + +
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Installation of FLOSS EDA tools

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Installation of +GHDL [R6], +VUnit [R3], +GTKWave [R4], +ghdl-yosys-plugin [R2] +and Yosys [R5].

+ +

TBC

+
+ + +
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While redistributing the Work or Derivative Works thereof, You may choose to offer, and charge a fee for, acceptance of +support, warranty, indemnity, or other liability obligations and/or rights consistent with this License. +However, in accepting such obligations, You may act only on Your own behalf and on Your sole responsibility, not on +behalf of any other Contributor, and only if You agree to indemnify, defend, and hold each Contributor harmless for any +liability incurred by, or claims asserted against, such Contributor by reason of your accepting any such warranty or +additional liability.

+
+
+

Appendix: How to apply the Apache License to your work

+

To apply the Apache License to your work, attach the following boilerplate notice, with the fields enclosed by brackets +“[]” replaced with your own identifying information. +(Don’t include the brackets!) +The text should be enclosed in the appropriate comment syntax for the file format. +We also recommend that a file or class name and description of purpose be included on the same “printed page” as the +copyright notice for easier identification within third-party archives.

+
Copyright [yyyy] [name of copyright owner]
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+
+
+
+
+ + +
+
+ +
+
+
+
+ + + + \ No newline at end of file diff --git a/References.html b/References.html new file mode 100644 index 0000000..cad1caf --- /dev/null +++ b/References.html @@ -0,0 +1,173 @@ + + + + + + + References — SIEAV CVS latest documentation + + + + + + + + + + + + + + + +
+ + +
+ +
+
+ + +
+ +
+
+ +
+
+ +
+

References

+ +
+
+
+[R1] +

missing author in 1076-2008

+
+
+[R2] +

ghdl-yosys-plugin: VHDL synthesis (based on ghdl and yosys). 2017. URL: https://github.com/ghdl/ghdl-yosys-plugin.

+
+
+[R3] +

Lars Asplund, Olof Kraigher, and contributors. VUnit: a unit testing framework for VHDL/SystemVerilog. Sep 2014. URL: http://vunit.github.io.

+
+
+[R4] +

Tony Bybell and contributors. GTKWave: a is a fully featured GTK+ based wave viewer for Unix, Win32, and Mac OSX. 1998. URL: https://github.com/gtkwave/gtkwave.

+
+
+[R5] +

Wolf Clifford and Johann Glaser. A Free Verilog Synthesis Suite. In Proceedings of Austrochip 2013. 2013.

+
+
+[R6] +

Tristan Gingold and contributors. GHDL: open-source analyzer, compiler, simulator and (experimental) synthesizer for VHDL. Sep 2003. URL: https://github.com/ghdl/ghdl.

+
+
+
+
+ + +
+
+ +
+
+
+
+ + + + \ No newline at end of file diff --git a/Slides.html b/Slides.html new file mode 100644 index 0000000..21b26da --- /dev/null +++ b/Slides.html @@ -0,0 +1,142 @@ + + + + + + + Slides — SIEAV CVS latest documentation + + + + + + + + + + + + + + + + +
+ + +
+ +
+
+ + +
+ +
+
+ +
+
+ +
+

Slides

+ +
+ + +
+
+ +
+
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+
+ + + + \ No newline at end of file diff --git a/VHDL.html b/VHDL.html new file mode 100644 index 0000000..a02de80 --- /dev/null +++ b/VHDL.html @@ -0,0 +1,140 @@ + + + + + + + VHDL, a programming language — SIEAV CVS latest documentation + + + + + + + + + + + + + + + + +
+ + +
+ +
+
+ + +
+ +
+
+ +
+
+ +
+

VHDL, a programming language

+

Verification and Hardware Description Language (VHDL) is not a hardware description language only (anymore)!

+

[R1]

+
    +

  • Analysis, elaboration and runtime

    • +

  • Unified compilation tools

    • +

  • Hardware Description Languages

    • +

  • HDL generators

    • +

  • HDL simulation

    • +

  • GHDL

    • +

  • Cosimulation

    • +
+
+_images/ghdl.png +
+

Fig. 1 GHDL, a VHDL toolkit.

+
+
+

[R6]

+

TBC

+
+ + +
+
+ +
+
+
+
+ + + + \ No newline at end of file diff --git a/VUnit.html b/VUnit.html new file mode 100644 index 0000000..670a4a1 --- /dev/null +++ b/VUnit.html @@ -0,0 +1,140 @@ + + + + + + + Introduction to VUnit — SIEAV CVS latest documentation + + + + + + + + + + + + + + + + +
+ + +
+ +
+
+ + +
+ +
+
+ +
+
+ +
+

Introduction to VUnit

+

VUnit is an open source unit testing framework for VHDL and System Verilog.

+
+Block diagram of VUnit +
+

Fig. 4 Block diagram of VUnit (see What is VUnit?).

+
+
+
    +

  • Unit testing management.

    • +

  • Utility HDL libraries.

    +
      +

    • Verification Components.

      • +
    +
    • +
+

TBC

+ +
+ + +
+
+ +
+
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+
+ + + + \ No newline at end of file diff --git a/_images/banner.png b/_images/banner.png new file mode 100644 index 0000000..57c2bf8 Binary files /dev/null and b/_images/banner.png differ diff --git a/_images/ehu.png b/_images/ehu.png new file mode 100644 index 0000000..3f636fb Binary files /dev/null and b/_images/ehu.png differ diff --git a/_images/gded.png b/_images/gded.png new file mode 100644 index 0000000..54f64a3 Binary files /dev/null and b/_images/gded.png differ diff --git a/_images/ghdl.png b/_images/ghdl.png new file mode 100644 index 0000000..6c7a5c3 Binary files /dev/null and b/_images/ghdl.png differ diff --git a/_images/software-hardware.png b/_images/software-hardware.png new file mode 100644 index 0000000..8aa34c1 Binary files /dev/null and b/_images/software-hardware.png differ diff --git a/_images/vboard.png b/_images/vboard.png new file mode 100644 index 0000000..f06e79f Binary files /dev/null and b/_images/vboard.png differ diff --git a/_images/vunit.png b/_images/vunit.png new file mode 100644 index 0000000..cd8672f Binary files /dev/null and b/_images/vunit.png differ diff --git a/_sources/Co-design.rst.txt b/_sources/Co-design.rst.txt new file mode 100644 index 0000000..beeaa9c --- /dev/null +++ b/_sources/Co-design.rst.txt @@ -0,0 +1,57 @@ +.. _Co-design: + +Hardware-software co-design +########################### + +.. figure:: _static/img/software-hardware.png + :width: 100% + :align: center + + Summary of software-hardware co-execution solutions. + +.. HINT:: + Hooking functions/instructions in binary applications: + + * :gh:`dbhi/binhook` + * :gh:`beehive-lab/mambo` + * :gh:`dynamorio/dynamorio` + + Use cases: + + * Running binaries with custom instructions on devices without hardware support. + * Replacing software routines with hardware accelerators, without modifying application sources. + * Switching drivers/implementations without recompiling the software application. + + * For instance, evaluating accelerators on target boards before the RTL is ready for synthesis. + +* `NEORV32 User Guide: Adding Custom Hardware Modules `__ + +* `NEORV32 Datasheet `__ + + * `Stream Link Interface `__ + + * `Custom Functions Subsystem (CFS) `__ + +* :gh:`google/CFU-Playground` + + * `youtube: CFU Playground: Model-specific Acceleration on FPGAs - Timothy Callahan & Alan V. Green, Google `__ + +.. figure:: _static/img/vboard.png + :width: 100% + :align: center + + :gh:`dbhi/vboard`: virtual development board for HDL design. + +Co-execution platform options: + +* Workstation/laptop (amd64) + + * Native + + * QEMU user mode + + * QEMU system mode + +* Single Board Computer (SBC) +* FPGA board (PS only) +* FPGA board (PS and PL) diff --git a/_sources/Control.rst.txt b/_sources/Control.rst.txt new file mode 100644 index 0000000..84d3598 --- /dev/null +++ b/_sources/Control.rst.txt @@ -0,0 +1,22 @@ +.. _Control: + +Control system modelling in VHDL 2008 +##################################### + +* From 64-bit floating-point to custom fixed-point. + + * `OSVB: fpconv `__: data type exploration and visualization in arithmetic algorithms/circuits. + +* From a single process to a spatial synthesizable design. + + * Clocking schemes. + +* Passing complex generics/parameters through :awesome:`JSON-for-VHDL `. + +* From an isolated core to a software-hardware partitioned design. + + * Introduction to VUnit's AXI `verification components `__. + + * Direct cosimulation: VHDL and C/Python. + +*TBC* diff --git a/_sources/DevEnv101.rst.txt b/_sources/DevEnv101.rst.txt new file mode 100644 index 0000000..a2ccd2b --- /dev/null +++ b/_sources/DevEnv101.rst.txt @@ -0,0 +1,39 @@ +.. _DevEnv101: + +Development Environment 101 +########################### + +* `missing.csail.mit.edu: The Missing Semester of Your CS Education `__ + +* `lab.github.com `__ + +* `The UNIX Game `__ + +* :gh:`Open Source Society University: Computer Science ` + +* `debuggingbook.org `__ + +Git +=== + +* `guides.github.com `__ + + * `Git Handbook `__ + * `Understanding the GitHub flow `__ + +* `training.github.com: Git Cheat Sheets `__ + +* `git-school.github.io: Visualizing Git `__ + +* `learngitbranching.js.org `__ + +* :gh:`Git-it ` + +* `ohshitgit.com `__ + +* :gh:`Flight rules for Git ` + +Python +====== + +* :gh:`satwikkansal/wtfpython` diff --git a/_sources/Doc-License.rst.txt b/_sources/Doc-License.rst.txt new file mode 100644 index 0000000..86dc3d1 --- /dev/null +++ b/_sources/Doc-License.rst.txt @@ -0,0 +1,299 @@ +.. _DOCLICENSE: + +.. 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Note:: + This is a local copy of the `Apache License Version 2.0 `__. + +.. Attention:: + This **Apache License, 2.0** applies to all **source and configuration files of this project**, **except documentation**. + +Apache License 2.0 +################## + +Version 2.0, January 2004 + +TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION + + +1. 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+ you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. diff --git a/_sources/References.rst.txt b/_sources/References.rst.txt new file mode 100644 index 0000000..2d7f45f --- /dev/null +++ b/_sources/References.rst.txt @@ -0,0 +1,31 @@ +.. _References: + +References +########## + +* `ghdl `__ + + * `ghdl/ghdl-cosim `__ + +* `VUnit `__ + + * `VUnit/cosim `__ + + * `kraigher/VUnit-Tutorial `__ + +* `gtkwave/gtkwave `__ + + * `Visualisation of fixed-point signals as Analog `__ + + * `Reading waveforms from HDL simulators with PulseView `__ + +* `umarcor/osvb: Open Source Verification Bundle (OSVB) `__ +* `Electronic Design Automation Abstraction (EDA²) `__ +* `NEORV32 `__ +* `sepagierm/sepa-practicas `__ +* `edcmit/edc-practicas `__ +* `heimdall.us.es/docs/docencia/EDCMIT `__ +* `gitlab.com/hgpub `__ + +.. bibliography:: + :labelprefix: R diff --git a/_sources/Slides.rst.txt b/_sources/Slides.rst.txt new file mode 100644 index 0000000..08690e3 --- /dev/null +++ b/_sources/Slides.rst.txt @@ -0,0 +1,22 @@ +.. _Slides: + +Slides +###### + +* `2020/03 `__ + +* 2021/05 + + * `main `__ + * `sim `__ + * `cosim `__ + * `control `__ + * `other `__ + +* 2022/05 + + * `main `__ + * `sim `__ + * `cosim `__ + * `control `__ + * `other `__ diff --git a/_sources/VHDL.rst.txt b/_sources/VHDL.rst.txt new file mode 100644 index 0000000..6ec1c95 --- /dev/null +++ b/_sources/VHDL.rst.txt @@ -0,0 +1,26 @@ +.. _VHDL: + +VHDL, a programming language +############################ + +*Verification and Hardware Description Language* (VHDL) is not a hardware description language only (anymore)! + +:cite:p:`1076-2008` + +* Analysis, elaboration and runtime +* Unified compilation tools +* Hardware Description Languages +* HDL generators +* HDL simulation +* GHDL +* Cosimulation + +.. figure:: _static/img/ghdl.png + :width: 100% + :align: center + + GHDL, a VHDL toolkit. + +:cite:p:`gh:ghdl` + +*TBC* diff --git a/_sources/VUnit.rst.txt b/_sources/VUnit.rst.txt new file mode 100644 index 0000000..be988c7 --- /dev/null +++ b/_sources/VUnit.rst.txt @@ -0,0 +1,22 @@ +.. _VUnit: + +Introduction to VUnit +##################### + +:doc:`VUnit ` is an open source unit testing framework for VHDL and System Verilog. + +.. figure:: _static/img/vunit.png + :alt: Block diagram of VUnit + :width: 100% + :align: center + + Block diagram of VUnit (see :doc:`vunit:about`). + +* Unit testing management. +* Utility HDL libraries. + + * Verification Components. + +*TBC* + +* https://gitlab.com/RamadrianG/wiki---fpga-para-todos/-/wikis/VUnit diff --git a/_sources/index.rst.txt b/_sources/index.rst.txt new file mode 100644 index 0000000..9f01199 --- /dev/null +++ b/_sources/index.rst.txt @@ -0,0 +1,30 @@ +Co-simulation and behavioural verification with VHDL, C/C++ and Python/m +######################################################################## + +.. image:: _static/banner.png + :width: 500 px + :align: center + :target: https://github.com/umarcor/SIEAV + +.. include:: Introduction.inc + +.. toctree:: + :hidden: + + Home + VHDL + Co-design + Installation + VUnit + Control + Exercise + +.. toctree:: + :caption: Appendix + :hidden: + + Slides + DevEnv101 + License + Doc-License + References diff --git a/_static/banner.png b/_static/banner.png new file mode 100644 index 0000000..57c2bf8 Binary files /dev/null and b/_static/banner.png differ diff --git a/_static/basic.css b/_static/basic.css new file mode 100644 index 0000000..30fee9d --- /dev/null +++ b/_static/basic.css @@ -0,0 +1,925 @@ +/* + * basic.css + * ~~~~~~~~~ + * + * Sphinx stylesheet -- basic theme. + * + * :copyright: Copyright 2007-2023 by the Sphinx team, see AUTHORS. + * :license: BSD, see LICENSE for details. + * + */ + +/* -- main layout ----------------------------------------------------------- */ + +div.clearer { + clear: both; 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// [C]VC[V] is m=1 + var mgr1 = "^(" + C + ")?" + V + C + V + C; // [C]VCVC... is m>1 + var s_v = "^(" + C + ")?" + v; // vowel in stem + + this.stemWord = function (w) { + var stem; + var suffix; + var firstch; + var origword = w; + + if (w.length < 3) + return w; + + var re; + var re2; + var re3; + var re4; + + firstch = w.substr(0,1); + if (firstch == "y") + w = firstch.toUpperCase() + w.substr(1); + + // Step 1a + re = /^(.+?)(ss|i)es$/; + re2 = /^(.+?)([^s])s$/; + + if (re.test(w)) + w = w.replace(re,"$1$2"); + else if (re2.test(w)) + w = w.replace(re2,"$1$2"); + + // Step 1b + re = /^(.+?)eed$/; + re2 = /^(.+?)(ed|ing)$/; + if (re.test(w)) { + var fp = re.exec(w); + re = new RegExp(mgr0); + if (re.test(fp[1])) { + re = /.$/; + w = w.replace(re,""); + } + } + else if (re2.test(w)) { + var fp = re2.exec(w); + stem = fp[1]; + re2 = new RegExp(s_v); + if (re2.test(stem)) { + w = stem; + re2 = /(at|bl|iz)$/; + re3 = new RegExp("([^aeiouylsz])\\1$"); + re4 = new RegExp("^" + C + v + "[^aeiouwxy]$"); + if (re2.test(w)) + w = w + "e"; + else if (re3.test(w)) { + re = /.$/; + w = w.replace(re,""); + } + else if (re4.test(w)) + w = w + "e"; + } + } + + // Step 1c + re = /^(.+?)y$/; + if (re.test(w)) { + var fp = re.exec(w); + stem = fp[1]; + re = new RegExp(s_v); + if (re.test(stem)) + w = stem + "i"; + } + + // Step 2 + re = /^(.+?)(ational|tional|enci|anci|izer|bli|alli|entli|eli|ousli|ization|ation|ator|alism|iveness|fulness|ousness|aliti|iviti|biliti|logi)$/; + if (re.test(w)) { + var fp = re.exec(w); + stem = fp[1]; + suffix = fp[2]; + re = new RegExp(mgr0); + if (re.test(stem)) + w = stem + step2list[suffix]; + } + + // Step 3 + re = /^(.+?)(icate|ative|alize|iciti|ical|ful|ness)$/; + if (re.test(w)) { + var fp = re.exec(w); + stem = fp[1]; + suffix = fp[2]; + re = new RegExp(mgr0); + if (re.test(stem)) + w = stem + step3list[suffix]; + } + + // Step 4 + re = /^(.+?)(al|ance|ence|er|ic|able|ible|ant|ement|ment|ent|ou|ism|ate|iti|ous|ive|ize)$/; + re2 = /^(.+?)(s|t)(ion)$/; + if (re.test(w)) { + var fp = re.exec(w); + stem = fp[1]; + re = new RegExp(mgr1); + if (re.test(stem)) + w = stem; + } + else if (re2.test(w)) { + var fp = re2.exec(w); + stem = fp[1] + fp[2]; + re2 = new RegExp(mgr1); + if (re2.test(stem)) + w = stem; + } + + // Step 5 + re = /^(.+?)e$/; + if (re.test(w)) { + var fp = re.exec(w); + stem = fp[1]; + re = new RegExp(mgr1); + re2 = new RegExp(meq1); + re3 = new RegExp("^" + C + v + "[^aeiouwxy]$"); + if (re.test(stem) || (re2.test(stem) && !(re3.test(stem)))) + w = stem; + } + re = /ll$/; + re2 = new RegExp(mgr1); + if (re.test(w) && re2.test(w)) { + re = /.$/; + w = w.replace(re,""); + } + + // and turn initial Y back to y + if (firstch == "y") + w = firstch.toLowerCase() + w.substr(1); + return w; + } +} + diff --git a/_static/logo.png b/_static/logo.png new file mode 100644 index 0000000..e27a277 Binary files /dev/null and b/_static/logo.png differ diff --git a/_static/minus.png b/_static/minus.png new file mode 100644 index 0000000..d96755f Binary files /dev/null and b/_static/minus.png differ diff --git a/_static/plus.png b/_static/plus.png new file mode 100644 index 0000000..7107cec Binary files /dev/null and b/_static/plus.png differ diff --git a/_static/pygments.css b/_static/pygments.css new file mode 100644 index 0000000..6bae782 --- /dev/null +++ b/_static/pygments.css @@ -0,0 +1,85 @@ +pre { line-height: 125%; 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+} + +const _removeChildren = (element) => { + while (element && element.lastChild) element.removeChild(element.lastChild); +}; + +/** + * See https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Regular_Expressions#escaping + */ +const _escapeRegExp = (string) => + string.replace(/[.*+\-?^${}()|[\]\\]/g, "\\$&"); // $& means the whole matched string + +const _displayItem = (item, searchTerms, highlightTerms) => { + const docBuilder = DOCUMENTATION_OPTIONS.BUILDER; + const docFileSuffix = DOCUMENTATION_OPTIONS.FILE_SUFFIX; + const docLinkSuffix = DOCUMENTATION_OPTIONS.LINK_SUFFIX; + const showSearchSummary = DOCUMENTATION_OPTIONS.SHOW_SEARCH_SUMMARY; + const contentRoot = document.documentElement.dataset.content_root; + + const [docName, title, anchor, descr, score, _filename] = item; + + let listItem = document.createElement("li"); + let requestUrl; + let linkUrl; + if (docBuilder === "dirhtml") { + // dirhtml builder + let dirname = docName + "/"; + if (dirname.match(/\/index\/$/)) + dirname = dirname.substring(0, dirname.length - 6); + else if (dirname === "index/") dirname = ""; + requestUrl = contentRoot + dirname; + linkUrl = requestUrl; + } else { + // normal html builders + requestUrl = contentRoot + docName + docFileSuffix; + linkUrl = docName + docLinkSuffix; + } + let linkEl = listItem.appendChild(document.createElement("a")); + linkEl.href = linkUrl + anchor; + linkEl.dataset.score = score; + linkEl.innerHTML = title; + if (descr) { + listItem.appendChild(document.createElement("span")).innerHTML = + " (" + descr + ")"; + // highlight search terms in the description + if (SPHINX_HIGHLIGHT_ENABLED) // set in sphinx_highlight.js + highlightTerms.forEach((term) => _highlightText(listItem, term, "highlighted")); + } + else if (showSearchSummary) + fetch(requestUrl) + .then((responseData) => responseData.text()) + .then((data) => { + if (data) + listItem.appendChild( + Search.makeSearchSummary(data, searchTerms) + ); + // highlight search terms in the summary + if (SPHINX_HIGHLIGHT_ENABLED) // set in sphinx_highlight.js + highlightTerms.forEach((term) => _highlightText(listItem, term, "highlighted")); + }); + Search.output.appendChild(listItem); +}; +const _finishSearch = (resultCount) => { + Search.stopPulse(); + Search.title.innerText = _("Search Results"); + if (!resultCount) + Search.status.innerText = Documentation.gettext( + "Your search did not match any documents. Please make sure that all words are spelled correctly and that you've selected enough categories." + ); + else + Search.status.innerText = _( + `Search finished, found ${resultCount} page(s) matching the search query.` + ); +}; +const _displayNextItem = ( + results, + resultCount, + searchTerms, + highlightTerms, +) => { + // results left, load the summary and display it + // this is intended to be dynamic (don't sub resultsCount) + if (results.length) { + _displayItem(results.pop(), searchTerms, highlightTerms); + setTimeout( + () => _displayNextItem(results, resultCount, searchTerms, highlightTerms), + 5 + ); + } + // search finished, update title and status message + else _finishSearch(resultCount); +}; + +/** + * Default splitQuery function. Can be overridden in ``sphinx.search`` with a + * custom function per language. + * + * The regular expression works by splitting the string on consecutive characters + * that are not Unicode letters, numbers, underscores, or emoji characters. + * This is the same as ``\W+`` in Python, preserving the surrogate pair area. + */ +if (typeof splitQuery === "undefined") { + var splitQuery = (query) => query + .split(/[^\p{Letter}\p{Number}_\p{Emoji_Presentation}]+/gu) + .filter(term => term) // remove remaining empty strings +} + +/** + * Search Module + */ +const Search = { + _index: null, + _queued_query: null, + _pulse_status: -1, + + htmlToText: (htmlString) => { + const htmlElement = new DOMParser().parseFromString(htmlString, 'text/html'); + htmlElement.querySelectorAll(".headerlink").forEach((el) => { el.remove() }); + const docContent = htmlElement.querySelector('[role="main"]'); + if (docContent !== undefined) return docContent.textContent; + console.warn( + "Content block not found. Sphinx search tries to obtain it via '[role=main]'. Could you check your theme or template." + ); + return ""; + }, + + init: () => { + const query = new URLSearchParams(window.location.search).get("q"); + document + .querySelectorAll('input[name="q"]') + .forEach((el) => (el.value = query)); + if (query) Search.performSearch(query); + }, + + loadIndex: (url) => + (document.body.appendChild(document.createElement("script")).src = url), + + setIndex: (index) => { + Search._index = index; + if (Search._queued_query !== null) { + const query = Search._queued_query; + Search._queued_query = null; + Search.query(query); + } + }, + + hasIndex: () => Search._index !== null, + + deferQuery: (query) => (Search._queued_query = query), + + stopPulse: () => (Search._pulse_status = -1), + + startPulse: () => { + if (Search._pulse_status >= 0) return; + + const pulse = () => { + Search._pulse_status = (Search._pulse_status + 1) % 4; + Search.dots.innerText = ".".repeat(Search._pulse_status); + if (Search._pulse_status >= 0) window.setTimeout(pulse, 500); + }; + pulse(); + }, + + /** + * perform a search for something (or wait until index is loaded) + */ + performSearch: (query) => { + // create the required interface elements + const searchText = document.createElement("h2"); + searchText.textContent = _("Searching"); + const searchSummary = document.createElement("p"); + searchSummary.classList.add("search-summary"); + searchSummary.innerText = ""; + const searchList = document.createElement("ul"); + searchList.classList.add("search"); + + const out = document.getElementById("search-results"); + Search.title = out.appendChild(searchText); + Search.dots = Search.title.appendChild(document.createElement("span")); + Search.status = out.appendChild(searchSummary); + Search.output = out.appendChild(searchList); + + const searchProgress = document.getElementById("search-progress"); + // Some themes don't use the search progress node + if (searchProgress) { + searchProgress.innerText = _("Preparing search..."); + } + Search.startPulse(); + + // index already loaded, the browser was quick! + if (Search.hasIndex()) Search.query(query); + else Search.deferQuery(query); + }, + + /** + * execute search (requires search index to be loaded) + */ + query: (query) => { + const filenames = Search._index.filenames; + const docNames = Search._index.docnames; + const titles = Search._index.titles; + const allTitles = Search._index.alltitles; + const indexEntries = Search._index.indexentries; + + // stem the search terms and add them to the correct list + const stemmer = new Stemmer(); + const searchTerms = new Set(); + const excludedTerms = new Set(); + const highlightTerms = new Set(); + const objectTerms = new Set(splitQuery(query.toLowerCase().trim())); + splitQuery(query.trim()).forEach((queryTerm) => { + const queryTermLower = queryTerm.toLowerCase(); + + // maybe skip this "word" + // stopwords array is from language_data.js + if ( + stopwords.indexOf(queryTermLower) !== -1 || + queryTerm.match(/^\d+$/) + ) + return; + + // stem the word + let word = stemmer.stemWord(queryTermLower); + // select the correct list + if (word[0] === "-") excludedTerms.add(word.substr(1)); + else { + searchTerms.add(word); + highlightTerms.add(queryTermLower); + } + }); + + if (SPHINX_HIGHLIGHT_ENABLED) { // set in sphinx_highlight.js + localStorage.setItem("sphinx_highlight_terms", [...highlightTerms].join(" ")) + } + + // console.debug("SEARCH: searching for:"); + // console.info("required: ", [...searchTerms]); + // console.info("excluded: ", [...excludedTerms]); + + // array of [docname, title, anchor, descr, score, filename] + let results = []; + _removeChildren(document.getElementById("search-progress")); + + const queryLower = query.toLowerCase(); + for (const [title, foundTitles] of Object.entries(allTitles)) { + if (title.toLowerCase().includes(queryLower) && (queryLower.length >= title.length/2)) { + for (const [file, id] of foundTitles) { + let score = Math.round(100 * queryLower.length / title.length) + results.push([ + docNames[file], + titles[file] !== title ? `${titles[file]} > ${title}` : title, + id !== null ? "#" + id : "", + null, + score, + filenames[file], + ]); + } + } + } + + // search for explicit entries in index directives + for (const [entry, foundEntries] of Object.entries(indexEntries)) { + if (entry.includes(queryLower) && (queryLower.length >= entry.length/2)) { + for (const [file, id] of foundEntries) { + let score = Math.round(100 * queryLower.length / entry.length) + results.push([ + docNames[file], + titles[file], + id ? "#" + id : "", + null, + score, + filenames[file], + ]); + } + } + } + + // lookup as object + objectTerms.forEach((term) => + results.push(...Search.performObjectSearch(term, objectTerms)) + ); + + // lookup as search terms in fulltext + results.push(...Search.performTermsSearch(searchTerms, excludedTerms)); + + // let the scorer override scores with a custom scoring function + if (Scorer.score) results.forEach((item) => (item[4] = Scorer.score(item))); + + // now sort the results by score (in opposite order of appearance, since the + // display function below uses pop() to retrieve items) and then + // alphabetically + results.sort((a, b) => { + const leftScore = a[4]; + const rightScore = b[4]; + if (leftScore === rightScore) { + // same score: sort alphabetically + const leftTitle = a[1].toLowerCase(); + const rightTitle = b[1].toLowerCase(); + if (leftTitle === rightTitle) return 0; + return leftTitle > rightTitle ? -1 : 1; // inverted is intentional + } + return leftScore > rightScore ? 1 : -1; + }); + + // remove duplicate search results + // note the reversing of results, so that in the case of duplicates, the highest-scoring entry is kept + let seen = new Set(); + results = results.reverse().reduce((acc, result) => { + let resultStr = result.slice(0, 4).concat([result[5]]).map(v => String(v)).join(','); + if (!seen.has(resultStr)) { + acc.push(result); + seen.add(resultStr); + } + return acc; + }, []); + + results = results.reverse(); + + // for debugging + //Search.lastresults = results.slice(); // a copy + // console.info("search results:", Search.lastresults); + + // print the results + _displayNextItem(results, results.length, searchTerms, highlightTerms); + }, + + /** + * search for object names + */ + performObjectSearch: (object, objectTerms) => { + const filenames = Search._index.filenames; + const docNames = Search._index.docnames; + const objects = Search._index.objects; + const objNames = Search._index.objnames; + const titles = Search._index.titles; + + const results = []; + + const objectSearchCallback = (prefix, match) => { + const name = match[4] + const fullname = (prefix ? prefix + "." : "") + name; + const fullnameLower = fullname.toLowerCase(); + if (fullnameLower.indexOf(object) < 0) return; + + let score = 0; + const parts = fullnameLower.split("."); + + // check for different match types: exact matches of full name or + // "last name" (i.e. last dotted part) + if (fullnameLower === object || parts.slice(-1)[0] === object) + score += Scorer.objNameMatch; + else if (parts.slice(-1)[0].indexOf(object) > -1) + score += Scorer.objPartialMatch; // matches in last name + + const objName = objNames[match[1]][2]; + const title = titles[match[0]]; + + // If more than one term searched for, we require other words to be + // found in the name/title/description + const otherTerms = new Set(objectTerms); + otherTerms.delete(object); + if (otherTerms.size > 0) { + const haystack = `${prefix} ${name} ${objName} ${title}`.toLowerCase(); + if ( + [...otherTerms].some((otherTerm) => haystack.indexOf(otherTerm) < 0) + ) + return; + } + + let anchor = match[3]; + if (anchor === "") anchor = fullname; + else if (anchor === "-") anchor = objNames[match[1]][1] + "-" + fullname; + + const descr = objName + _(", in ") + title; + + // add custom score for some objects according to scorer + if (Scorer.objPrio.hasOwnProperty(match[2])) + score += Scorer.objPrio[match[2]]; + else score += Scorer.objPrioDefault; + + results.push([ + docNames[match[0]], + fullname, + "#" + anchor, + descr, + score, + filenames[match[0]], + ]); + }; + Object.keys(objects).forEach((prefix) => + objects[prefix].forEach((array) => + objectSearchCallback(prefix, array) + ) + ); + return results; + }, + + /** + * search for full-text terms in the index + */ + performTermsSearch: (searchTerms, excludedTerms) => { + // prepare search + const terms = Search._index.terms; + const titleTerms = Search._index.titleterms; + const filenames = Search._index.filenames; + const docNames = Search._index.docnames; + const titles = Search._index.titles; + + const scoreMap = new Map(); + const fileMap = new Map(); + + // perform the search on the required terms + searchTerms.forEach((word) => { + const files = []; + const arr = [ + { files: terms[word], score: Scorer.term }, + { files: titleTerms[word], score: Scorer.title }, + ]; + // add support for partial matches + if (word.length > 2) { + const escapedWord = _escapeRegExp(word); + Object.keys(terms).forEach((term) => { + if (term.match(escapedWord) && !terms[word]) + arr.push({ files: terms[term], score: Scorer.partialTerm }); + }); + Object.keys(titleTerms).forEach((term) => { + if (term.match(escapedWord) && !titleTerms[word]) + arr.push({ files: titleTerms[word], score: Scorer.partialTitle }); + }); + } + + // no match but word was a required one + if (arr.every((record) => record.files === undefined)) return; + + // found search word in contents + arr.forEach((record) => { + if (record.files === undefined) return; + + let recordFiles = record.files; + if (recordFiles.length === undefined) recordFiles = [recordFiles]; + files.push(...recordFiles); + + // set score for the word in each file + recordFiles.forEach((file) => { + if (!scoreMap.has(file)) scoreMap.set(file, {}); + scoreMap.get(file)[word] = record.score; + }); + }); + + // create the mapping + files.forEach((file) => { + if (fileMap.has(file) && fileMap.get(file).indexOf(word) === -1) + fileMap.get(file).push(word); + else fileMap.set(file, [word]); + }); + }); + + // now check if the files don't contain excluded terms + const results = []; + for (const [file, wordList] of fileMap) { + // check if all requirements are matched + + // as search terms with length < 3 are discarded + const filteredTermCount = [...searchTerms].filter( + (term) => term.length > 2 + ).length; + if ( + wordList.length !== searchTerms.size && + wordList.length !== filteredTermCount + ) + continue; + + // ensure that none of the excluded terms is in the search result + if ( + [...excludedTerms].some( + (term) => + terms[term] === file || + titleTerms[term] === file || + (terms[term] || []).includes(file) || + (titleTerms[term] || []).includes(file) + ) + ) + break; + + // select one (max) score for the file. + const score = Math.max(...wordList.map((w) => scoreMap.get(file)[w])); + // add result to the result list + results.push([ + docNames[file], + titles[file], + "", + null, + score, + filenames[file], + ]); + } + return results; + }, + + /** + * helper function to return a node containing the + * search summary for a given text. keywords is a list + * of stemmed words. + */ + makeSearchSummary: (htmlText, keywords) => { + const text = Search.htmlToText(htmlText); + if (text === "") return null; + + const textLower = text.toLowerCase(); + const actualStartPosition = [...keywords] + .map((k) => textLower.indexOf(k.toLowerCase())) + .filter((i) => i > -1) + .slice(-1)[0]; + const startWithContext = Math.max(actualStartPosition - 120, 0); + + const top = startWithContext === 0 ? "" : "..."; + const tail = startWithContext + 240 < text.length ? "..." : ""; + + let summary = document.createElement("p"); + summary.classList.add("context"); + summary.textContent = top + text.substr(startWithContext, 240).trim() + tail; + + return summary; + }, +}; + +_ready(Search.init); diff --git a/_static/sphinx_highlight.js b/_static/sphinx_highlight.js new file mode 100644 index 0000000..8a96c69 --- /dev/null +++ b/_static/sphinx_highlight.js @@ -0,0 +1,154 @@ +/* Highlighting utilities for Sphinx HTML documentation. */ +"use strict"; + +const SPHINX_HIGHLIGHT_ENABLED = true + +/** + * highlight a given string on a node by wrapping it in + * span elements with the given class name. + */ +const _highlight = (node, addItems, text, className) => { + if (node.nodeType === Node.TEXT_NODE) { + const val = node.nodeValue; + const parent = node.parentNode; + const pos = val.toLowerCase().indexOf(text); + if ( + pos >= 0 && + !parent.classList.contains(className) && + !parent.classList.contains("nohighlight") + ) { + let span; + + const closestNode = parent.closest("body, svg, foreignObject"); + const isInSVG = closestNode && closestNode.matches("svg"); + if (isInSVG) { + span = document.createElementNS("http://www.w3.org/2000/svg", "tspan"); + } else { + span = document.createElement("span"); + span.classList.add(className); + } + + span.appendChild(document.createTextNode(val.substr(pos, text.length))); + const rest = document.createTextNode(val.substr(pos + text.length)); + parent.insertBefore( + span, + parent.insertBefore( + rest, + node.nextSibling + ) + ); + node.nodeValue = val.substr(0, pos); + /* There may be more occurrences of search term in this node. So call this + * function recursively on the remaining fragment. + */ + _highlight(rest, addItems, text, className); + + if (isInSVG) { + const rect = document.createElementNS( + "http://www.w3.org/2000/svg", + "rect" + ); + const bbox = parent.getBBox(); + rect.x.baseVal.value = bbox.x; + rect.y.baseVal.value = bbox.y; + rect.width.baseVal.value = bbox.width; + rect.height.baseVal.value = bbox.height; + rect.setAttribute("class", className); + addItems.push({ parent: parent, target: rect }); + } + } + } else if (node.matches && !node.matches("button, select, textarea")) { + node.childNodes.forEach((el) => _highlight(el, addItems, text, className)); + } +}; +const _highlightText = (thisNode, text, className) => { + let addItems = []; + _highlight(thisNode, addItems, text, className); + addItems.forEach((obj) => + obj.parent.insertAdjacentElement("beforebegin", obj.target) + ); +}; + +/** + * Small JavaScript module for the documentation. + */ +const SphinxHighlight = { + + /** + * highlight the search words provided in localstorage in the text + */ + highlightSearchWords: () => { + if (!SPHINX_HIGHLIGHT_ENABLED) return; // bail if no highlight + + // get and clear terms from localstorage + const url = new URL(window.location); + const highlight = + localStorage.getItem("sphinx_highlight_terms") + || url.searchParams.get("highlight") + || ""; + localStorage.removeItem("sphinx_highlight_terms") + url.searchParams.delete("highlight"); + window.history.replaceState({}, "", url); + + // get individual terms from highlight string + const terms = highlight.toLowerCase().split(/\s+/).filter(x => x); + if (terms.length === 0) return; // nothing to do + + // There should never be more than one element matching "div.body" + const divBody = document.querySelectorAll("div.body"); + const body = divBody.length ? divBody[0] : document.querySelector("body"); + window.setTimeout(() => { + terms.forEach((term) => _highlightText(body, term, "highlighted")); + }, 10); + + const searchBox = document.getElementById("searchbox"); + if (searchBox === null) return; + searchBox.appendChild( + document + .createRange() + .createContextualFragment( + '

' + + '' + + _("Hide Search Matches") + + "

" + ) + ); + }, + + /** + * helper function to hide the search marks again + */ + hideSearchWords: () => { + document + .querySelectorAll("#searchbox .highlight-link") + .forEach((el) => el.remove()); + document + .querySelectorAll("span.highlighted") + .forEach((el) => el.classList.remove("highlighted")); + localStorage.removeItem("sphinx_highlight_terms") + }, + + initEscapeListener: () => { + // only install a listener if it is really needed + if (!DOCUMENTATION_OPTIONS.ENABLE_SEARCH_SHORTCUTS) return; + + document.addEventListener("keydown", (event) => { + // bail for input elements + if (BLACKLISTED_KEY_CONTROL_ELEMENTS.has(document.activeElement.tagName)) return; + // bail with special keys + if (event.shiftKey || event.altKey || event.ctrlKey || event.metaKey) return; + if (DOCUMENTATION_OPTIONS.ENABLE_SEARCH_SHORTCUTS && (event.key === "Escape")) { + SphinxHighlight.hideSearchWords(); + event.preventDefault(); + } + }); + }, +}; + +_ready(() => { + /* Do not call highlightSearchWords() when we are on the search page. + * It will highlight words from the *previous* search query. + */ + if (typeof Search === "undefined") SphinxHighlight.highlightSearchWords(); + SphinxHighlight.initEscapeListener(); +}); diff --git a/_static/theme_overrides.css b/_static/theme_overrides.css new file mode 100644 index 0000000..362f72d --- /dev/null +++ b/_static/theme_overrides.css @@ -0,0 +1,34 @@ +.rst-content img.shield { + max-width: unset; +} + +.black { color: black; } +.gray { color: gray; } +.grey { color: gray; } +.silver { color: silver; } +.white { color: white; } +.maroon { color: maroon; } +.red { color: red; } +.magenta { color: magenta; } +.fuchsia { color: fuchsia; } +.pink { color: pink; } +.orange { color: orange; } +.yellow { color: yellow; } +.lime { color: lime; } +.green { color: green; } +.olive { color: olive; } +.teal { color: teal; } +.cyan { color: cyan; } +.aqua { color: aqua; } +.blue { color: blue; } +.navy { color: navy; } +.purple { color: purple; } + +td > ul.simple { + margin-bottom: unset; +} + +td > ul.simple > li { + margin-left: unset; + list-style: none; +} diff --git a/genindex.html b/genindex.html new file mode 100644 index 0000000..b5435da --- /dev/null +++ b/genindex.html @@ -0,0 +1,118 @@ + + + + + + Index — SIEAV CVS latest documentation + + + + + + + + + + + + + + +
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Co-simulation and behavioural verification with VHDL, C/C++ and Python/m

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About

+

This repository and documentation contain resources used in some sessions of the “Cosimulation for verification of +systems on FPGAs” (in spanish, “Cosimulación para la verificación de sistemas sobre FPGAs”) course unit taught in the +Master on Advanced Electronic Systems (in spanish, Máster en Sistemas Electrónicos Avanzados) +at the University of the Basque Country (UPV/EHU). +Find the syllabus: +2019/2020, +2020/2021, +2021/2022.

+

+UPV/EHU         Grupo de Investigación de Diseño en Electrónica Digital (GDED)


+

Important

+

These sessions are a follow-up of the course unit “Design of digital controllers with FPGAs” (in spanish, “Diseño +de controladores digitales con FPGAs”) taught in the same master degree (2021/2022). +Hence, attendants are expected to have prior knowledge about the fundamentals of control theory (discretization of +state-space representation and transfer-functions, sampling and PID algorithms/implementations). +Nonetheless, these sessions are focused on VHDL language features, not on control.

+
+
+

Note

+

The course is taught in spanish and/or basque (for now); so, some references might not be available in english (yet). +Still, most of the documentation and code examples should be readable to any english speaker. +Should you find any issue in this regard, please let us know!

+
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+

Introduction

+

This part of the course is focused on using Free/Libre and Open Source Software (FLOSS) +tools for hardware-software co-design with +VHDL, +C/C++, +and +Python, +Matlab, +and/or +Octave. +A methodology based on co-simulation interfaces, mixed-language Verification Components (VCs) and digital twins is +introduced (see +wikipedia: Functional verification, +wikipedia: Digital twin +and wikipedia:Co-simulation, +respectively).

+

For now, synthesis and automatic documentation generation are not included in this course. +However, references to FLOSS projects (such as +OSVB, +EDA², +F4PGA (formerly known as SymbiFlow), +Renode, +etc. +) are provided throughout the documentation.

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© Copyright 2020-2022, Unai Martinez-Corral.

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+ + + + + + + + + \ No newline at end of file diff --git a/searchindex.js b/searchindex.js new file mode 100644 index 0000000..53cee4b --- /dev/null +++ b/searchindex.js @@ -0,0 +1 @@ +Search.setIndex({"docnames": ["Co-design", "Control", "DevEnv101", "Doc-License", "Exercise", "Installation", "License", "References", "Slides", "VHDL", "VUnit", "index"], "filenames": ["Co-design.rst", "Control.rst", "DevEnv101.rst", "Doc-License.rst", "Exercise.rst", "Installation.rst", "License.rst", "References.rst", "Slides.rst", "VHDL.rst", "VUnit.rst", "index.rst"], "titles": ["Hardware-software co-design", "Control system modelling in VHDL 2008", "Development Environment 101", "Creative Commons Attribution 4.0 International", "Assignment/exercise", "Installation of FLOSS EDA tools", "Apache License 2.0", "References", "Slides", "VHDL, a programming language", "Introduction to VUnit", "Co-simulation and behavioural verification with VHDL, C/C++ and Python/m"], "terms": {"summari": 0, "execut": [0, 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