Skip to content

Commit

Permalink
Updated README to cover new tool usage. Fixed a couple of typos.
Browse files Browse the repository at this point in the history
  • Loading branch information
benjmarshall committed Jun 21, 2017
1 parent 962bbd6 commit fbfad84
Show file tree
Hide file tree
Showing 3 changed files with 121 additions and 31 deletions.
148 changes: 119 additions & 29 deletions README.md
Original file line number Diff line number Diff line change
@@ -1,10 +1,21 @@
# Vivado HLS Command Line Tool (hlsclt)

A Vivado HLS Command Line Helper Tool.

Current functionality includes flexibly executing the main Vivado HLS build stages and cleaning up generated files. Supports a command line driven development process.
Supports a command line driven development process, which increases the performance of the HLS tool and massively increases compatibility with source control tools to provide an increase in productivity.

## Features
- Flexibly execute any of the Vivado HLS build stages
- Open build reports
- Clean up generated files
- View complete project status
- Open Vivado HLS GUI with project loaded

## Requirements
Python 3 - tested with python 3.6.1
- Python 2 or 3
- Tested with 3.6.1 and 2.7.5
- Vivado HLS
- Tested with Vivado HLS 2017.1

## Install
Easy installation:
Expand All @@ -16,11 +27,12 @@ Manual installation:
```Shell
git clone https://github.com/benjmarshall/hlsclt.git
sudo cp ./hlsclt/hlsclt/hlsclt.py /usr/local/bin/hlsclt
sudo chmod +x /usr/local.bin/hlsclt
sudo chmod +x /usr/local/bin/hlsclt
```

## Usage
This tool is intended to aid command line driven development process for Vivado HLS. Whilst the tool is designed to be flexible, certain guidelines should be followed. A top level project folder should contain your HLS source files (or folders) and a 'hls_config.py' file which specifies some of the required configuration for a HLS project (device, clock speed etc).
### Quickstart
This tool is intended to aid a command line driven development process for Vivado HLS. Whilst the tool is designed to be flexible, certain guidelines should be followed. A top level project folder should contain your HLS source files (or folders) and a 'hls_config.py' file which specifies some of the required configuration for a HLS project (device, clock speed etc).

A recommended directory structure is as follows:

Expand All @@ -32,42 +44,120 @@ A recommended directory structure is as follows:
- testbench.cpp
- hls_config.py

An example project structure and hls_config.py can be found in the [examples](hlsclt/examples) directory.
An example project structure and hls_config.py can be found in the [examples](hlsclt/examples) directory. A full guide for setting a config.py can be seen in the [Project Config](#project-config) section.

The tool should be invoked from within the project folder, i.e.:
```Shell
The tool should be invoked from within the project folder, i.e. :
```
cd my_project_name
hlsclt -csim
hlsclt build csim
```

The tool will read in the configuration from your 'hls_config.py' file and invoke Vivado HLS to perform the chosen build stages.

All of the tool options can be seen my using the '--help' argument:
All of the tool options can be seen by using the '--help' argument:

```
[ben@localhost]$ hlsclt --help
usage: hlsclt [-h] [-clean] [-keep] [-csim] [-syn] [-cosim | -cosim_debug] [-export_ip | -evaluate_ip]
[-export_dsp | -evaluate_dsp]
Helper tool for using Vivado HLS through the command line. If no arguments are specified then a default
run is executed which includes C simulation, C synthesis, Cosimulation and export for both Vivado IP
Catalog and System Generator. If any of the run options are specified then only those specified are
performed.
optional arguments:
-h, --help show this help message and exit
-clean remove all Vivado HLS generated files
-keep keep all previous solution and generate a new one
-csim perform C simulation stage
-syn perform C synthesis stage
-cosim perform cosimulation
-cosim_debug perform cosimulation with debug logging
-export_ip perform export for Vivado IP Catalog
-evaluate_ip perform export for Vivado IP Catalog with build to place and route
-export_dsp perform export for System Generator
-evaluate_dsp perform export for System Generator with build to place and route
Usage: hlsclt [OPTIONS] COMMAND [ARGS]...
Helper tool for using Vivado HLS through the command line. If no arguments
are specified then a default run is executed which includes C simulation,
C synthesis, Cosimulation and export for both Vivado IP Catalog and System
Generator. If any of the run options are specified then only those
specified are performed.
Options:
--version Show the version and exit.
--help Show this message and exit.
Commands:
build Run HLS build stages.
clean Remove generated files.
open_gui Open the Vivado HLS GUI and load the project.
report Open reports.
status Print out the current project status.
```

### Nested Commands
The tool is built using 'nested' commands (like git for example), where the main command 'hlsclt' has a group of subcommands, some of which in turn have subcommands. The 'status' command is a simple example of single level of nesting:

```
[ben@localhost]$ hlsclt status
Project Details
Project Name: proj_simple_adder
Number of solutions generated: 1
Latest Solution Folder: 'proj_simple_adder/solution1'
Language Choice: vhdl
Build Status
C Simulation: Pass
C Synthesis: Not Run
Cosimulation: Not Run
Export:
IP Catalog: Not Run
System Generator: Not Run
Export Evaluation: Not Run
```

The build subcommand is slightly more complex than the other top-level commands. Nested subcommands under the build command can be chained in order to perform multiple HLS build stages, each with their own options:

```
[ben@localhost]$ hlsclt build csim syn cosim -d
```

In this example the tool will launch the HLS process to run a C simulation, followed by C Synthesis, and finally a cosimulation with debugging enabled so that we can view the waveforms of the cosimulation at a later point.

Each command or subcommand has it's own help option which gives specific information about the command and how to use it. For example the export subcomand:
```
[ben@localhost]$ hlsclt build export --help
Usage: hlsclt build export [OPTIONS]
Runs the Vivado HLS export stage.
Options:
-t, --type [ip|sysgen] Specify an export type, Vivado IP Catalog or System
Generator. Accepts multiple occurrences. [required]
-e, --evaluate Runs Vivado synthesis and place and route for the
generated export.
--help Show this message and exit.
```

### Project Config
Each Vivado HLS project requires a 'config.py' file in order to be used hlsclt. This file contains all of the information required by Vivado HLS and hlsclt to perform build operations for your project. The file uses basic python syntax to specify the configuration in a parsable format. The full list of available configuration options is shown below:

|Configuration Item | Variable Name | Valid Options | Required |
|-------------------|-----------------------|--------------------------------|----------|
|Project Name |project_name |Any valid directory name |No (Default is name of the containing project folder prepended with 'proj_') |
|Function Name |top_level_function_name|String which match function name|Yes |
|Source Files Dir |src_dir_name |Name of directory where source files are located, relative to the project folder|No (Default is 'src')|
|Testbench Files Dir|tb_dir_name |Name of directory where testbench files are located, relative to the project folder|No (Default is 'tb')|
|Source Files |src_files |A list of source files required, located within the Source Files directory|Yes|
|Testbench Files |tb_files |A list of testbench files required, located within the Testbench Files directory|Yes|
|Device String |part_name |A device string as used by Vivado HLS (see examples)|Yes|
|Clock Period |clock_period |A value in nanoseconds input as a string, e.g. "10"|Yes|
|HDL Language |language |Either "vhdl" or "verilog" |No (Default is "vhdl")|


Here is an example file taken from the [simple_adder](hlsclt/examples/simple_adder) example shipped with the tool (note that some of the optional items have been commented out in order to use the defaults):

```python
# Config file for Simple Adder Vivado HLS project

#project_name = "optional_project_name_here"
top_level_function_name = "simple_adder"
#src_dir_name = "src"
#tb_dir_name = "tb"
src_files = ["dut.h","dut.cpp"]
tb_files = ["testbench.cpp"]
part_name = "xc7z020clg484-1"
clock_period = "10"
language = "vhdl"
```

## License

See [LICENSE](LICENSE)

## Bugs/Issues
If you have any issues or find a bug please first search the [open issues](https://github.com/benjmarshall/hlsclt/issues) on github and then submit a new issue ticket.
2 changes: 1 addition & 1 deletion hlsclt/build_commands/build_commands.py
Original file line number Diff line number Diff line change
Expand Up @@ -173,7 +173,7 @@ def cosim(ctx,debug):

# export subcommand
@build.command('export')
@click.option('-t', '--type', required=True, multiple=True, type=click.Choice(['ip','sysgen']), help='Specify an export type, Vivado IP Catalog or System Generator. Accepts multiple occurances.')
@click.option('-t', '--type', required=True, multiple=True, type=click.Choice(['ip','sysgen']), help='Specify an export type, Vivado IP Catalog or System Generator. Accepts multiple occurences.')
@click.option('-e', '--evaluate', is_flag=True, help='Runs Vivado synthesis and place and route for the generated export.')
@click.pass_context
def export(ctx, type, evaluate):
Expand Down
2 changes: 1 addition & 1 deletion hlsclt/report_commands/report_commands.py
Original file line number Diff line number Diff line change
Expand Up @@ -116,7 +116,7 @@ def print_project_status(ctx):
@click.command('report', short_help='Open reports.')
@click.option('-s', '--stage', required=True, multiple=True,
type=click.Choice(['csim','syn','cosim','export']),
help='Which build stage to open the report for. Multiple occurances accepted')
help='Which build stage to open the report for. Multiple occurences accepted')
@click.pass_context
def report(ctx,stage):
"""Opens the Vivado HLS report for the chosen build stages."""
Expand Down

0 comments on commit fbfad84

Please sign in to comment.