Update README.md

Added help string #234

1 files changed, 6 insertions, 0 deletions

diff --git a/README.md b/README.md
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@@ -39,3 +39,9 @@ sbt
 > compile
 > test
 ```
+
+##### Using Firrtl as a commandline tool
+```
+utils/bin/firrtl -i regress/rocket.fir -o regress/rocket.v -X verilog // Compiles rocket-chip to Verilog
+utils/bin/firrtl --help // Returns usage string
+```