command: initialize the command mode for every command

[fw/openocd] / src / jtag / interface.h

diff --git a/src/jtag/interface.h b/src/jtag/interface.h
index ac4eacc707585757d8a3da19378717c91a20e68c..e6fa0caef04b78fb553b31295bb434a19371fd67 100644 (file)
--- a/src/jtag/interface.h
+++ b/src/jtag/interface.h
@@ -19,15 +19,14 @@
  *   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/>. *
  ***************************************************************************/
 
 #ifndef OPENOCD_JTAG_INTERFACE_H
 #define OPENOCD_JTAG_INTERFACE_H
 
 #include <jtag/jtag.h>
+#include <target/armv7m_trace.h>
 
 /* @file
  * The "Cable Helper API" is what the cable drivers can use to help
@@ -198,7 +197,7 @@ static inline tap_state_t jtag_debug_state_machine(const void *tms_buf,
  */
 struct jtag_interface {
        /** The name of the JTAG interface driver. */
-       char *name;
+       const char * const name;
 
        /**
         * Bit vector listing capabilities exposed by this driver.
@@ -207,7 +206,7 @@ struct jtag_interface {
 #define DEBUG_CAP_TMS_SEQ      (1 << 0)
 
        /** transports supported in C code (NULL terminated vector) */
-       const char **transports;
+       const char * const *transports;
 
        const struct swd_driver *swd;
 
@@ -298,13 +297,39 @@ struct jtag_interface {
         * @returns ERROR_OK on success, or an error code on failure.
         */
        int (*srst_asserted)(int *srst_asserted);
-};
 
-extern const char *jtag_only[];
+       /**
+        * Configure trace parameters for the adapter
+        *
+        * @param enabled Whether to enable trace
+        * @param pin_protocol Configured pin protocol
+        * @param port_size Trace port width for sync mode
+        * @param trace_freq A pointer to the configured trace
+        * frequency; if it points to 0, the adapter driver must write
+        * its maximum supported rate there
+        * @returns ERROR_OK on success, an error code on failure.
+        */
+       int (*config_trace)(bool enabled, enum tpiu_pin_protocol pin_protocol,
+                           uint32_t port_size, unsigned int *trace_freq);
+
+       /**
+        * Poll for new trace data
+        *
+        * @param buf A pointer to buffer to store received data
+        * @param size A pointer to buffer size; must be filled with
+        * the actual amount of bytes written
+        *
+        * @returns ERROR_OK on success, an error code on failure.
+        */
+       int (*poll_trace)(uint8_t *buf, size_t *size);
+};
 
-extern const struct swd_driver *swd;
+extern const char * const jtag_only[];
 
 void adapter_assert_reset(void);
 void adapter_deassert_reset(void);
+int adapter_config_trace(bool enabled, enum tpiu_pin_protocol pin_protocol,
+                        uint32_t port_size, unsigned int *trace_freq);
+int adapter_poll_trace(uint8_t *buf, size_t *size);
 
 #endif /* OPENOCD_JTAG_INTERFACE_H */