[doc] add documentation about vpr commands
@@ -8,4 +8,15 @@ vpr
OpenFPGA allows users to call ``vpr`` in the standard way as documented in the vtr_project_.
+ .. note:: This command will run vpr in a standalone way, whose results will be kept and used by other commands. Suggest to use when this is the final run of VPR.
+
+.. _vtr_project: https://github.com/verilog-to-routing/vtr-verilog-to-routing
+
+vpr_standalone
+~~~~~~~~~~~~~~
+
+ OpenFPGA allows users to call ``vpr`` in the standard way as documented in the vtr_project_.
+
+ .. note:: This command will run vpr in a standalone way, whose results will **not** be kept and **not** used by other commands. Suggest to use when only some stages of VPR are needed.
+
.. _vtr_project: https://github.com/verilog-to-routing/vtr-verilog-to-routing
