From 0da9e78e5754c6c3224d61397542c7564ad86058 Mon Sep 17 00:00:00 2001
From: M0stafaRady <mostafa.rady@efabless.com>
Date: Sun, 30 Oct 2022 01:47:46 -0700
Subject: [PATCH] Update cocotb README file to include PDK export requirements

---
 verilog/dv/cocotb/README.md | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/verilog/dv/cocotb/README.md b/verilog/dv/cocotb/README.md
index 3128bb8d..1dcec1ad 100644
--- a/verilog/dv/cocotb/README.md
+++ b/verilog/dv/cocotb/README.md
@@ -16,6 +16,8 @@ Prerequisites
 - iverilog or vcs 
 - export CARAVEL_ROOT= \<caravel repo root\>
 - export MCW_ROOT= \<caravel_mgmt_soc_litex repo root\>
+- export PDK_ROOT= \<PDK repo root\>
+- export PDK= \<PDK variant sky130A,sky130B,.... \>
 
 run a test  
 =============================