[openocd-svn] Main OpenOCD repository branch, master, updated. v0.4.0-14-g90efc40

[Øyvind H. <go...@us...>]

This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "Main OpenOCD repository".

The branch, master has been updated
       via  90efc404f3cb9c3f6e7fdb8a2c22fb3e72e9072f (commit)
      from  c21c740a895438832ed7e945ee4943da3eb733f9 (commit)

Those revisions listed above that are new to this repository have
not appeared on any other notification email; so we list those
revisions in full, below.

- Log -----------------------------------------------------------------
commit 90efc404f3cb9c3f6e7fdb8a2c22fb3e72e9072f
Author: Øyvind Harboe <oyv...@zy...>
Date:   Mon Feb 8 15:40:53 2010 +0100

    zy1000: jtag_add_dr_scan() performance improvement
    
    Reduce overhead in jtag_add_dr_scan() a bit.
    
    Signed-off-by: Øyvind Harboe <oyv...@zy...>

diff --git a/src/jtag/zy1000/zy1000.c b/src/jtag/zy1000/zy1000.c
index 2c205b7..ef4f482 100644
--- a/src/jtag/zy1000/zy1000.c
+++ b/src/jtag/zy1000/zy1000.c
@@ -650,22 +650,29 @@ int interface_jtag_add_dr_scan(int num_fields, const struct scan_field *fields,
 
 		for (j = 0; j < num_fields; j++)
 		{
+			/* Find a range of fields to write to this tap */
 			if (tap == fields[j].tap)
 			{
 				found = 1;
+				int i;
+				for (i = j + 1; i < num_fields; i++)
+				{
+					if (tap != fields[j].tap)
+					{
+						break;
+					}
+				}
+
+				scanFields(i - j, fields + j, TAP_DRSHIFT, pause);
 
-				scanFields(1, fields+j, TAP_DRSHIFT, pause);
+				j = i;
 			}
 		}
+
 		if (!found)
 		{
-			struct scan_field tmp;
-			/* program the scan field to 1 bit length, and ignore it's value */
-			tmp.num_bits = 1;
-			tmp.out_value = NULL;
-			tmp.in_value = NULL;
-
-			scanFields(1, &tmp, TAP_DRSHIFT, pause);
+			/* Shift out a 0 for disabled tap's */
+			shiftValueInner(TAP_DRSHIFT, pause?TAP_DRPAUSE:TAP_DRSHIFT, 1, 0);
 		}
 		else
 		{

-----------------------------------------------------------------------

Summary of changes:
 src/jtag/zy1000/zy1000.c |   23 +++++++++++++++--------
 1 files changed, 15 insertions(+), 8 deletions(-)


hooks/post-receive
-- 
Main OpenOCD repository