From 63b93335804f4374f2b91b47f41129854814c93e Mon Sep 17 00:00:00 2001
From: Andrew Reusch <areusch@octoml.ai>
Date: Sat, 2 May 2020 10:52:40 -0700
Subject: [PATCH] [uTVM] Reset target and wait for runtime initialization on
 connect. (#5499)

* This ensures a clean runtime environment for tuning and evaluating
   tasks.
 * This patch assumes that the code flashed to target executes the ARM
   BKPT or RISC-V EBREAK instructions after startup.
---
 src/runtime/micro/openocd_low_level_device.cc | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/runtime/micro/openocd_low_level_device.cc b/src/runtime/micro/openocd_low_level_device.cc
index 0f21d6674740..91df8b9006ea 100644
--- a/src/runtime/micro/openocd_low_level_device.cc
+++ b/src/runtime/micro/openocd_low_level_device.cc
@@ -20,8 +20,8 @@
 /*!
  * \file openocd_low_level_device.cc
  */
-#include <sstream>
 #include <iomanip>
+#include <sstream>
 
 #include "micro_common.h"
 #include "low_level_device.h"
@@ -46,7 +46,10 @@ class OpenOCDLowLevelDevice final : public LowLevelDevice {
     port_ = port;
 
     socket_.Connect(tvm::support::SockAddr(server_addr_.c_str(), port_));
-    socket_.cmd_builder() << "halt 0";
+    socket_.cmd_builder() << "reset run";
+    socket_.SendCommand();
+
+    socket_.cmd_builder() << "halt 500";
     socket_.SendCommand();
   }