From c3e21ceac405d85bf9f49a238a99c8701e398d59 Mon Sep 17 00:00:00 2001
From: Jason Lowe-Power <jason@lowepower.com>
Date: Thu, 25 Aug 2022 09:26:49 -0700
Subject: [PATCH] python: Fix up arrow in interactive shell

Simply by importing the readline module, the up arrow will work in
gem5's interactive shell now.

Change-Id: I41d87adc34253abf5a00ac484da377f9f065a27a
Signed-off-by: Jason Lowe-Power <jason@lowepower.com>
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/62671
Tested-by: kokoro <noreply+kokoro@google.com>
Reviewed-by: Bobby Bruce <bbruce@ucdavis.edu>
Maintainer: Bobby Bruce <bbruce@ucdavis.edu>
---
 src/python/m5/main.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/python/m5/main.py b/src/python/m5/main.py
index 84145dfc38..49654ea93e 100644
--- a/src/python/m5/main.py
+++ b/src/python/m5/main.py
@@ -311,6 +311,8 @@ def interact(scope):
     else:
         # Use the Python shell in the standard library if IPython
         # isn't available.
+        import readline  # if this is imported, then the up arrow works
+
         code.InteractiveConsole(scope).interact(banner)