jtag: make cmd_queue_scan_field_clone public

[openocd.git] / src / jtag / commands.c

diff --git a/src/jtag/commands.c b/src/jtag/commands.c
index 750ebab0d6eab01bd661aaa79e8a00aae09f8d38..e2d22cc94a3436d6efd655a43612c0810d1c6207 100644 (file)
--- a/src/jtag/commands.c
+++ b/src/jtag/commands.c
@@ -23,9 +23,7 @@
  *   GNU General Public License for more details.                          *
  *                                                                         *
  *   You should have received a copy of the GNU General Public License     *
- *   along with this program; if not, write to the                         *
- *   Free Software Foundation, Inc.,                                       *
- *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.           *
+ *   along with this program.  If not, see <http://www.gnu.org/licenses/>. *
  ***************************************************************************/
 
 #ifdef HAVE_CONFIG_H
@@ -146,6 +144,18 @@ void jtag_command_queue_reset(void)
        next_command_pointer = &jtag_command_queue;
 }
 
+/**
+ * Copy a struct scan_field for insertion into the queue.
+ *
+ * This allocates a new copy of out_value using cmd_queue_alloc.
+ */
+void jtag_scan_field_clone(struct scan_field *dst, const struct scan_field *src)
+{
+       dst->num_bits   = src->num_bits;
+       dst->out_value  = buf_cpy(src->out_value, cmd_queue_alloc(DIV_ROUND_UP(src->num_bits, 8)), src->num_bits);
+       dst->in_value   = src->in_value;
+}
+
 enum scan_type jtag_scan_type(const struct scan_command *cmd)
 {
        int i;