From: Andrey Smirnov <andrew.smirnov@gmail.com>
Date: Thu, 3 Apr 2014 21:03:04 +0000 (-0700)
Subject: arm_adi_v5: Add convenience "atomic"" function for DP reads
X-Git-Tag: v0.9.0-rc1~400
X-Git-Url: https://git.sur5r.net/?a=commitdiff_plain;h=d007764fe88958aa556f060054d55841e1d9306d;p=openocd

arm_adi_v5: Add convenience "atomic"" function for DP reads

Add convenience "atomic"" function dap_dp_read_atomic_u32()

Change-Id: Ic9ebb58959d2f14bbf03be42a26b0fe58ecfeddb
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Reviewed-on: http://openocd.zylin.com/2085
Tested-by: jenkins
Reviewed-by: Andreas Fritiofson <andreas.fritiofson@gmail.com>
---

diff --git a/src/target/arm_adi_v5.h b/src/target/arm_adi_v5.h
index 3367588f..9f0dea91 100644
--- a/src/target/arm_adi_v5.h
+++ b/src/target/arm_adi_v5.h
@@ -389,6 +389,18 @@ static inline int dap_run(struct adiv5_dap *dap)
 	return dap->ops->run(dap);
 }
 
+static inline int dap_dp_read_atomic(struct adiv5_dap *dap, unsigned reg,
+				     uint32_t *value)
+{
+	int retval;
+
+	retval = dap_queue_dp_read(dap, reg, value);
+	if (retval != ERROR_OK)
+		return retval;
+
+	return dap_run(dap);
+}
+
 /** Accessor for currently selected DAP-AP number (0..255) */
 static inline uint8_t dap_ap_get_select(struct adiv5_dap *swjdp)
 {