From 21fb735d62ec9d22e5ac10180716db0d9b5b4217 Mon Sep 17 00:00:00 2001
From: Tim Newsome <tim@sifive.com>
Date: Tue, 21 Feb 2017 20:22:10 -0800
Subject: Improve debug performance.

It's still pitiful, but less so. (5KB/s download speed.)

The tweaks involve switching to the other context as soon as it might be
helpful. The two contexts are executing code, and handling JTAG TAP
input.
---
 riscv/jtag_dtm.h | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'riscv/jtag_dtm.h')

diff --git a/riscv/jtag_dtm.h b/riscv/jtag_dtm.h
index 97ce521..063e3f4 100644
--- a/riscv/jtag_dtm.h
+++ b/riscv/jtag_dtm.h
@@ -36,6 +36,8 @@ class jtag_dtm_t
 
     bool tdo() const { return _tdo; }
 
+    jtag_state_t state() const { return _state; }
+
   private:
     debug_module_t *dm;
     bool _tck, _tms, _tdi, _tdo;
@@ -50,7 +52,7 @@ class jtag_dtm_t
     uint32_t dtmcontrol;
     uint64_t dmi;
 
-    jtag_state_t state;
+    jtag_state_t _state;
 
     void capture_dr();
     void update_dr();
-- 
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