From c06923297fc0928a75efc63ffd8f49086327166b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ciro=20Santilli=20=E5=85=AD=E5=9B=9B=E4=BA=8B=E4=BB=B6=20?=
 =?UTF-8?q?=E6=B3=95=E8=BD=AE=E5=8A=9F?= <ciro.santilli@gmail.com>
Date: Tue, 29 Oct 2019 00:00:00 +0000
Subject: [PATCH] gem5 readfile use file, not stdin, or else sh does not work
 to start interaction

---
 README.adoc                 | 2 +-
 rootfs_overlay/lkmc/gem5.sh | 4 +++-
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/README.adoc b/README.adoc
index b8e8e55..9587939 100644
--- a/README.adoc
+++ b/README.adoc
@@ -11528,7 +11528,7 @@ So we can do it like:
 ....
 # Boot, checkpoint and exit.
 printf 'echo "setup run";m5 exit' > "$(./getvar gem5_readfile_file)"
-./run --emulator gem5 --eval 'm5 checkpoint;m5 readfile | sh'
+./run --emulator gem5 --eval 'm5 checkpoint;m5 readfile > /tmp/gem5.sh && sh /tmp/gem5.sh'
 
 # Restore and run the first benchmark.
 printf 'echo "first benchmark";m5 exit' > "$(./getvar gem5_readfile_file)"
diff --git a/rootfs_overlay/lkmc/gem5.sh b/rootfs_overlay/lkmc/gem5.sh
index eedae30..8966156 100755
--- a/rootfs_overlay/lkmc/gem5.sh
+++ b/rootfs_overlay/lkmc/gem5.sh
@@ -1,6 +1,8 @@
 #!/bin/sh
 # https://cirosantilli.com/linux-kernel-module-cheat#gem5-restore-new-script
 m5 checkpoint
+tmp="$(mktemp)"
+m5 readfile > "$tmp"
 m5 resetstats
-m5 readfile | sh
+sh "$tmp"
 m5 exit