X-Git-Url: https://review.openocd.org/gitweb?a=blobdiff_plain;f=src%2Fjtag%2Fcore.c;h=806ee892657bd0d61ce326630362044b5dab67bd;hb=0d56f379b55b24959c88e705a83e1fbb826b75e7;hp=27c7b3de493206a81d6384eaaa722195934634db;hpb=c3138e2d805b94b81ba10bc7fcec47689704f60e;p=openocd.git

diff --git a/src/jtag/core.c b/src/jtag/core.c
index 27c7b3de49..806ee89265 100644
--- a/src/jtag/core.c
+++ b/src/jtag/core.c
@@ -136,14 +136,19 @@ int jtag_error_clear(void)
 
 /************/
 
-static bool jtag_poll = 1;
+static bool jtag_poll = true;
+static bool jtag_poll_en = true;
 
 bool is_jtag_poll_safe(void)
 {
 	/* Polling can be disabled explicitly with set_enabled(false).
+	 * It can also be masked with mask().
 	 * It is also implicitly disabled while TRST is active and
 	 * while SRST is gating the JTAG clock.
 	 */
+	if (!jtag_poll_en)
+		return false;
+
 	if (!transport_is_jtag())
 		return jtag_poll;
 
@@ -162,6 +167,18 @@ void jtag_poll_set_enabled(bool value)
 	jtag_poll = value;
 }
 
+bool jtag_poll_mask(void)
+{
+	bool retval = jtag_poll_en;
+	jtag_poll_en = false;
+	return retval;
+}
+
+void jtag_poll_unmask(bool saved)
+{
+	jtag_poll_en = saved;
+}
+
 /************/
 
 struct jtag_tap *jtag_all_taps(void)