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authorAndreas Fritiofson <andreas.fritiofson@gmail.com>2014-02-16 09:29:01 +0100
committerAndreas Fritiofson <andreas.fritiofson@gmail.com>2014-06-28 09:26:12 +0000
commitfd909a5e3dc6d7434bd68bea5c89ffed0f18b586 (patch)
treead71970c66e7f05f5362e4e7bd57d115b705c458 /src/target/arm_adi_v5.c
parent9ec211de1ce1f87f0aa424d44fc5b6956a4eb72a (diff)
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adi_v5_swd: Read RDBUFF once after a sequence of AP reads
Increases performance by a factor of two for long reads. Change-Id: I81a7a83835058560c6a53a43c3cc991100f01766 Signed-off-by: Andreas Fritiofson <andreas.fritiofson@gmail.com> Reviewed-on: http://openocd.zylin.com/1954 Tested-by: jenkins Reviewed-by: Paul Fertser <fercerpav@gmail.com>
Diffstat (limited to 'src/target/arm_adi_v5.c')
-rw-r--r--src/target/arm_adi_v5.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/target/arm_adi_v5.c b/src/target/arm_adi_v5.c
index 2e56396..a18101d 100644
--- a/src/target/arm_adi_v5.c
+++ b/src/target/arm_adi_v5.c
@@ -661,6 +661,7 @@ int ahbap_debugport_init(struct adiv5_dap *dap)
*/
dap->ap_current = !0;
dap_ap_select(dap, 0);
+ dap->last_read = NULL;
/* DP initialization */