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 ed40755b73a5a7dcb45410f56ad5a42b547782cd..e2d22cc94a3436d6efd655a43612c0810d1c6207 100644 (file)
--- a/src/jtag/commands.c
+++ b/src/jtag/commands.c
@@ -144,6 +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;